/* =============================================================================
   サラリーマン 公式サイト
   WordPress 化時: セクション単位でテンプレート化しやすいよう BEM 風クラス
   ============================================================================= */

:root {
  /* ----- レイアウト・動き ----- */
  --header-h: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* ----- 色：コア ----- */
  --color-bg: #0a0a0f;
  --color-black: #000000;
  --color-white: #ffffff;
  --color-surface: #12121a;
  --color-surface-elevated: #101018;
  --color-panel: #16161f;
  --color-neutral-222: #222222;

  /* ダーク基調：本文は明るいグレー、補助はミュート */
  --color-text: #f2f2f5;
  --color-text-bright: #f8fbff;
  --color-text-bright-alt: #f6f9ff;
  --color-muted: #9a9aa8;

  --color-accent: #5eb3ff;
  --color-menu-bg: #0d3a7a;
  --color-accent-soft: #8ecfff;
  --color-accent-soft-2: #8cc8ff;

  /* 明るい面の上の濃い文字（CTA など） */
  --color-on-accent: #0a0a0f;

  /**
   * キービジュアル未画像時（.kv-section--placeholder）のグラデ。
   * 既定は --color-bg と --color-accent から生成するため、ページ地色を変えるとここも連動する。
   * 3 色を個別に決めたい場合は、下を実色（例 #1a1a2e）に差し替えればよい。
   */
  --color-hero-1: color-mix(in srgb, var(--color-bg) 86%, var(--color-accent));
  --color-hero-2: color-mix(in srgb, var(--color-bg) 74%, var(--color-accent));
  --color-hero-3: color-mix(in srgb, var(--color-bg) 58%, var(--color-accent));

  /**
   * CTA／ボタン：--color-accent の明・暗だけを定義（グラデは本文で参照）
   * アクセントの半透明・装飾ブルーは :root では持たず、本文で
   * color-mix(in srgb, var(--color-accent) N%, transparent) を使う。
   */
  --color-accent-tint: color-mix(in srgb, var(--color-accent) 38%, white);
  --color-accent-shade: color-mix(in srgb, var(--color-accent) 52%, black);
  --color-accent-deep: color-mix(in srgb, var(--color-accent) 34%, black);

  /* ヘッダー下フェード */
  --color-bg-fade-85: color-mix(in srgb, var(--color-bg) 85%, transparent);

  /* ガラス・パネル（地色＋アクセントの近い系を少数に統合） */
  --color-glass-top: color-mix(in srgb, color-mix(in srgb, var(--color-surface-elevated) 82%, var(--color-accent)) 90%, transparent);
  --color-glass-bottom: color-mix(in srgb, color-mix(in srgb, var(--color-bg) 88%, var(--color-accent)) 88%, transparent);
  --color-surface-deep-92: color-mix(in srgb, var(--color-surface) 92%, transparent);

  /* ヒーローデータ／モーダル共有：枠はニュートラル1本、アクセントは発光で足す（左帯・二重色線は使わない） */
  --hero-spec-ring: color-mix(in srgb, var(--color-white) 9%, transparent);
  --hero-spec-glow-outer: 0 0 48px color-mix(in srgb, var(--color-accent) 10%, transparent);
  --hero-spec-glow-soft: 0 0 36px color-mix(in srgb, var(--color-accent) 8%, transparent);
  --hero-spec-glass: color-mix(in srgb, var(--color-surface) 42%, transparent);
  --hero-spec-glass-edge: color-mix(in srgb, var(--color-white) 14%, transparent);
  --color-player-top: color-mix(in srgb, color-mix(in srgb, var(--color-surface) 75%, var(--color-accent)) 97%, transparent);
  --color-player-bottom: color-mix(in srgb, color-mix(in srgb, var(--color-bg) 85%, var(--color-accent)) 98%, transparent);

  /* 説明文・サブコピー（背景は暗い前提） */
  --color-text-dim: color-mix(in srgb, var(--color-text) 78%, var(--color-muted));

  /* 補助テキスト（淡色・ラベル・アイス調を --color-muted に寄せて統一） */
  --color-text-secondary: var(--color-muted);

  /* 白の半透明：弱（境界のにじみ）／線・面／強調ハイライト／字色用 */
  --color-alpha-white-weak: color-mix(in srgb, var(--color-white) 8%, transparent);
  --color-alpha-white-mid: color-mix(in srgb, var(--color-white) 12%, transparent);
  --color-alpha-white-strong: color-mix(in srgb, var(--color-white) 15%, transparent);
  --color-alpha-white-glow: color-mix(in srgb, var(--color-white) 27%, transparent);
  --color-alpha-white-muted: color-mix(in srgb, var(--color-white) 58%, transparent);

  /* セクション背景（サムネ・KV 由来のドラマチックパレット） */
  --sec-teaser-base: #061428;
  --sec-teaser-glow: #2b7cff;
  --sec-about-base: #140a28;
  --sec-about-glow: #8f5cff;
  --sec-news-base: #1c1810;
  --sec-news-glow: #d9b04a;
  --sec-liveaction-base: #1a0c06;
  --sec-liveaction-glow: #ff6b2e;
  --sec-radio-p1-base: #0a2240;
  --sec-radio-p1-glow: #4da3ff;
  --sec-radio-p2-base: #2a1408;
  --sec-radio-p2-glow: #f07830;
  --sec-radio-p3-base: #12040c;
  --sec-radio-p3-glow: #e03058;
  --sec-awards-base: #1a1406;
  --sec-awards-glow: #e8c86a;
  --sec-contact-base: #0c1824;
  --sec-contact-glow: #6ec8e8;
  --sec-hashtag-base: #040c1c;
  --sec-hashtag-glow: #5eb3ff;
  --sec-promo-base: #000000;
  --color-alpha-white-near: color-mix(in srgb, var(--color-white) 98%, transparent);

  /* 黒の半透明：近い段階は統合（影・オーバーレイ） */
  --color-alpha-black-20: color-mix(in srgb, var(--color-black) 20%, transparent);
  --color-alpha-black-35: color-mix(in srgb, var(--color-black) 35%, transparent);
  --color-alpha-black-45: color-mix(in srgb, var(--color-black) 45%, transparent);
  --color-alpha-black-55: color-mix(in srgb, var(--color-black) 55%, transparent);
  --color-alpha-black-72: color-mix(in srgb, var(--color-black) 72%, transparent);

  /* Google Fonts の family 名と一致させる（先頭が実際に読み込まれるフォント） */
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  /* Android にはヒラギノ／游が無い → Noto 系を挟んで日本語に必ず寄せる */
  --font-mincho: "Hina Mincho", "Zen Old Mincho", "Noto Serif JP", "Noto Sans JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --font-zen-mincho: "Zen Old Mincho", "Hina Mincho", "Noto Serif JP", "Noto Sans JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;

  /**
   * サイト全体の基準フォント（ここだけ変えれば本文・見出し・メニュー・モーダルが追従）
   * 例: ゴシック基調 → var(--font-sans) ／ 明朝基調 → var(--font-mincho)
   */
  --font-app: var(--font-mincho);
}

/* 任意要素用ユーティリティ（本文基準は html に集約） */
.noto-sans-jp {
  font-family: var(--font-sans);
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 400;
}

/**
 * Noto Sans JP 可変ウェイト（100〜900）
 * 例: class="noto-sans-jp noto-sans-jp--900" ／ または font-weight: 600; を要素に指定
 */
.noto-sans-jp--900 {
  font-weight: 900;
}

.hina-mincho-regular {
  font-family: var(--font-mincho);
  font-weight: 400;
  font-style: normal;
}

.zen-old-mincho-regular {
  font-family: var(--font-zen-mincho);
  font-weight: 400;
  font-style: normal;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-app);
  font-optical-sizing: auto;
  /* Chrome Android の勝手な文字拡大を抑止（レイアウトと意図した書体に近づける） */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  /* 明朝は単ウェイトが多く 900 で合成太字になりやすい → 可変の Noto Sans で見出しを出す */
  font-family: var(--font-sans);
  font-weight: 900;
}

body {
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

.section-sal {
  position: relative;
  isolation: isolate;
}

.section-sal > :not(.section-sal__deco) {
  position: relative;
  z-index: 1;
}

.section-sal__deco {
  position: absolute;
  top: clamp(80px, 9vw, 124px);
  width: clamp(42px, 5.6vw, 74px);
  height: auto;
  opacity: 1;
  pointer-events: none;
  /* 本文・UIより背面（装飾が文字の上に被らない） */
  z-index: 0;
  filter: drop-shadow(0 10px 24px var(--color-alpha-black-35));
  transition: transform 0.35s var(--ease-out), filter 0.35s var(--ease-out);
}

/* sal_01: 枠の右下外にはみ出し・動画の手前（.teaser-frame が containing block） */
.section-sal--teaser .section-sal__deco {
  left: auto;
  top: auto;
  right: clamp(-16px, -1.8vw, -4px);
  bottom: clamp(-28px, -3.5vw, -10px);
  width: clamp(72px, 13vw, 124px);
  z-index: 4;
  transform: none;
}

/* sal_02 はヒーローデータ内の大きめ画像へ移動（コンセプト右上デコは未使用） */

/* sal_03: 社内掲示・リスト下から支える（日付・本文とは非重複） */
.section-sal--news {
  overflow: visible;
}

.section-sal--news .news-section__frame {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: clamp(8px, 2vw, 20px);
}

.section-sal--news .news-section__frame > :not(.section-sal__deco) {
  position: relative;
  z-index: 2;
}

.section-sal--news .section-sal__deco {
  right: auto;
  top: auto;
  left: clamp(-84px, -9vw, -60px);
  bottom: clamp(-36px, -5.5vw, -20px);
  width: clamp(72px, 10vw, 104px);
  transform: rotate(2deg) translateY(6%);
  transform-origin: 28% 100%;
}

.section-sal--news .news-list {
  max-width: none;
  margin: 0 0 0 clamp(4px, 1vw, 8px);
  padding-left: clamp(88px, 10vw, 112px);
  box-sizing: border-box;
}

/* sal_04: 踏ん張りポーズ・ラジオブロック下端の中央 */
.section-sal--radio .section-sal__deco {
  left: 50%;
  right: auto;
  top: auto;
  bottom: 0;
  width: clamp(72px, 10vw, 128px);
  transform: translateX(-50%) rotate(-6deg);
}

/* sal_05: 実写化ブロック右上（ラジオ各期カードと同じ装飾トーン） */
.section-sal--liveaction .section-sal__deco {
  left: auto;
  right: max(12px, calc(50% - min(480px, 46vw)));
  top: clamp(88px, 11vw, 132px);
  width: clamp(64px, 9vw, 112px);
  transform: rotate(8deg);
}

.section-sal--liveaction:hover .section-sal__deco,
.section-sal--liveaction:focus-within .section-sal__deco {
  transform: translateY(-4px) translateX(4px) rotate(11deg) scale(1.06);
  filter: drop-shadow(0 12px 30px var(--color-alpha-black-45));
}

.section-sal--teaser:hover .section-sal__deco,
.section-sal--teaser:focus-within .section-sal__deco {
  transform: translateY(-5px) translateX(-3px) rotate(-9deg) scale(1.06);
  filter: drop-shadow(0 12px 30px var(--color-alpha-black-45));
}

.section-sal--news:hover .section-sal__deco,
.section-sal--news:focus-within .section-sal__deco {
  transform: rotate(4deg) translateY(calc(6% - 3px)) translateX(2px) scale(1.04);
  filter: drop-shadow(0 12px 30px var(--color-alpha-black-45));
}

.section-sal--radio:hover .section-sal__deco,
.section-sal--radio:focus-within .section-sal__deco {
  transform: translateX(calc(-50% + 6px)) translateY(-4px) rotate(-9deg) scale(1.08);
  filter: drop-shadow(0 12px 30px var(--color-alpha-black-45));
}

@media (max-width: 767px) {
  .section-sal__deco {
    width: clamp(34px, 10vw, 56px);
    top: clamp(68px, 13vw, 104px);
  }

  .section-sal--teaser .section-sal__deco {
    top: auto;
    left: auto;
    right: clamp(-6px, -1vw, 0px);
    bottom: clamp(-14px, -3vw, -4px);
    width: clamp(40px, 11vw, 56px);
  }

  .section-sal--news .section-sal__deco {
    left: clamp(-24px, -6vw, -8px);
    bottom: clamp(-24px, -5vw, -10px);
    width: clamp(52px, 15vw, 72px);
    transform-origin: 28% 100%;
    transform: rotate(2deg) translateY(4%);
  }

  .section-sal--news .news-list {
    padding-left: clamp(44px, 11vw, 56px);
    margin-left: 0;
    text-align: left;
  }

  .section-sal--news .news-list__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: clamp(14px, 3.5vw, 20px) 0;
  }

  .section-sal--news .news-list__date,
  .section-sal--news .news-list__title {
    display: block;
    width: 100%;
  }

  .section-sal--news:hover .section-sal__deco,
  .section-sal--news:focus-within .section-sal__deco {
    transform-origin: 28% 100%;
    transform: rotate(3deg) translateY(calc(5% - 2px)) translateX(1px) scale(1.04);
    filter: drop-shadow(0 12px 30px var(--color-alpha-black-45));
  }

  .section-sal--radio .section-sal__deco {
    left: 50%;
    right: auto;
    top: auto;
    transform: translateX(-50%) rotate(-6deg);
    bottom: 0;
    width: clamp(54px, 16vw, 88px);
  }

  .section-sal--liveaction .section-sal__deco {
    right: max(8px, calc(50% - 48vw));
    top: clamp(76px, 14vw, 112px);
    width: clamp(48px, 14vw, 80px);
    transform: rotate(6deg);
  }

  .section-sal--liveaction:hover .section-sal__deco,
  .section-sal--liveaction:focus-within .section-sal__deco {
    transform: translateY(-3px) translateX(3px) rotate(9deg) scale(1.06);
  }
}

body.is-menu-open {
  overflow: hidden;
}

/* アンカー・scrollIntoView 時に固定ヘッダーと被らないよう余白 */
main > .kv-section,
main > section.section,
.site-footer {
  scroll-margin-top: clamp(64px, 12vw, 88px);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font: inherit;
}

/* ----- ヘッダー（60th 系: コンパクトロゴ + 右メニュー） ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 4vw, 48px);
  background: linear-gradient(to bottom, var(--color-bg-fade-85), transparent);
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.site-header__logo {
  min-width: 0;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition:
    opacity 0.45s var(--ease-out),
    max-width 0.5s var(--ease-out);
}

.site-header.is-logo-visible .site-header__logo {
  opacity: 1;
  max-width: min(280px, 42vw);
}

.site-header__logo img {
  display: block;
  height: clamp(54px, 7.2vw, 74px);
  width: auto;
}

@media (prefers-reduced-motion: reduce) {
  .site-header__logo {
    transition: none;
  }
}

/* 十字 + メニュー（[hidden] は display 指定より弱くなるため明示） */
.menu-trigger[hidden] {
  display: none !important;
}

.menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px;
  color: var(--color-text);
}

.menu-trigger__icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.menu-trigger__icon::before,
.menu-trigger__icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.35s var(--ease-out);
}

/* 閉じ: 横棒＋横棒を90°で縦に（＋）。開く: 同じ横棒を ±45°（×）。縦線を -45° 回すと横の45°と平行になって一本に見える不具合を避ける */
.menu-trigger__icon::before {
  width: 18px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.menu-trigger__icon::after {
  width: 18px;
  height: 2px;
  transform: translate(-50%, -50%) rotate(90deg);
}

.menu-trigger.is-open .menu-trigger__icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.menu-trigger.is-open .menu-trigger__icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.menu-trigger__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ----- 全画面メニュー（右→左スライド・青背景） ----- */
.fullscreen-nav[hidden] {
  display: none !important;
}

.fullscreen-nav {
  --nav-pad-top: calc(var(--header-h) + 32px);
  --nav-pad-bottom: max(28px, env(safe-area-inset-bottom, 0px));
  /* 1行: line-height 1.32 + padding 0.5em×2 → 8行分 + 区切り線 8px */
  --nav-row-unit: 18.7;
  position: fixed;
  inset: 0;
  z-index: 1100;
  height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  background: var(--color-menu-bg);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-sizing: border-box;
  padding: var(--nav-pad-top) clamp(24px, 6vw, 80px) var(--nav-pad-bottom);
  overflow: hidden;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 0.55s var(--ease-out),
    opacity 0.45s var(--ease-out);
  /* visibility は使わない（閉じる瞬間に即非表示になり transform が見えなくなるため） */
}

.fullscreen-nav.is-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .fullscreen-nav {
    transition-duration: 0.01ms;
  }
}

.fullscreen-nav__list {
  list-style: none;
  width: 100%;
  max-width: 480px;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-rows: repeat(8, minmax(0, 1fr));
  align-content: stretch;
}

.fullscreen-nav__list li {
  display: flex;
  align-items: center;
  min-height: 0;
}

.fullscreen-nav__link {
  display: block;
  width: 100%;
  padding: 0.5em 0;
  font-family: inherit;
  /* 8行が 100dvh 内に収まる最大サイズ（ tall 画面は 2.85rem まで） */
  font-size: min(
    2.85rem,
    calc((100dvh - var(--nav-pad-top) - var(--nav-pad-bottom) - 8px) / var(--nav-row-unit))
  );
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: normal;
  color: var(--color-white);
  border-bottom: 1px solid var(--color-alpha-white-mid);
  transition: color 0.2s, padding-left 0.25s var(--ease-out);
}

.fullscreen-nav__link:visited {
  color: var(--color-white);
}

.fullscreen-nav__link:hover,
.fullscreen-nav__link:focus-visible {
  color: var(--color-accent);
  padding-left: 8px;
}

/* ----- キービジュアル（ヘッダーと重なる・画像は切らず全体表示） ----- */
.kv-section {
  position: relative;
  width: 100%;
  overflow: visible;
}

.kv-section__media {
  display: block;
  width: 100%;
  line-height: 0;
}

.kv-section__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  vertical-align: bottom;
}

/* 画像未配置時のプレースホルダー */
.kv-section--placeholder .kv-section__media {
  background: linear-gradient(145deg, var(--color-hero-1) 0%, var(--color-hero-2) 40%, var(--color-hero-3) 100%);
}

/* picture で PC / タブレット / SP を切替（同一画像運用時は src を同じに） */

/* ----- セクション共通 ----- */
.section {
  position: relative;
  padding: clamp(64px, 10vw, 120px) clamp(20px, 5vw, 72px);
}

.section__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  text-align: center;
}

.section__title {
  font-family: inherit;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0.06em;
}

/* ----- セクション背景（ドラマチック・サムネ／KV 色味） ----- */
main > .section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

main > .kv-section {
  background: #000000;
}

main > .kv-section::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  height: clamp(28px, 5vw, 56px);
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    transparent,
    color-mix(in srgb, var(--sec-teaser-base) 40%, transparent)
  );
}

main > #teaser {
  background:
    radial-gradient(ellipse 150% 95% at 50% -25%, color-mix(in srgb, var(--sec-teaser-glow) 72%, transparent), transparent 52%),
    radial-gradient(ellipse 70% 55% at 100% 90%, color-mix(in srgb, var(--sec-teaser-glow) 38%, transparent), transparent 48%),
    linear-gradient(168deg, var(--sec-teaser-base) 0%, #030a14 48%, #0c2040 100%);
}

main > #teaser::before {
  background: linear-gradient(90deg, transparent, var(--sec-teaser-glow), transparent);
}

main > #about {
  background:
    radial-gradient(ellipse 100% 75% at 0% 0%, color-mix(in srgb, var(--sec-about-glow) 55%, transparent), transparent 50%),
    radial-gradient(ellipse 80% 60% at 100% 100%, color-mix(in srgb, #5eb3ff 28%, transparent), transparent 45%),
    linear-gradient(145deg, var(--sec-about-base) 0%, #0a0618 55%, #1e1040 100%);
}

main > #about::before {
  background: linear-gradient(90deg, var(--sec-about-glow), #5eb3ff, var(--sec-about-glow));
}

main > #news {
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, color-mix(in srgb, var(--sec-news-glow) 50%, transparent), transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 100%, color-mix(in srgb, #8a7040 35%, transparent), transparent 42%),
    linear-gradient(180deg, #2a2418 0%, var(--sec-news-base) 40%, #12100a 100%);
}

main > #news::before {
  background: linear-gradient(90deg, #8a7040, var(--sec-news-glow), #8a7040);
}

/* 実写化：外枠はラジオと同系のダーク、色味は各期ブロック内 */
main > #liveaction {
  background: linear-gradient(180deg, #080604 0%, #0c0806 50%, #060404 100%);
}

main > #liveaction::before {
  background: linear-gradient(90deg, #2a6a5a, var(--sec-liveaction-glow), #c94a20);
}

#liveaction {
  --color-accent: var(--sec-liveaction-glow);
}

#liveaction .radio-period {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(40px, 6vw, 64px);
  padding: clamp(28px, 5vw, 48px) clamp(14px, 3vw, 28px);
  border-radius: clamp(12px, 2vw, 20px);
  border: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent);
  box-shadow:
    0 28px 72px color-mix(in srgb, var(--color-black) 60%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--color-white) 12%, transparent);
  background:
    radial-gradient(ellipse 110% 80% at 50% -20%, color-mix(in srgb, var(--sec-liveaction-glow) 62%, transparent), transparent 52%),
    radial-gradient(ellipse 70% 55% at 95% 100%, color-mix(in srgb, #2a6a5a 28%, transparent), transparent 45%),
    linear-gradient(165deg, #3d1a0a 0%, var(--sec-liveaction-base) 45%, #120804 100%);
}

#liveaction .radio-period:last-child {
  margin-bottom: 0;
}

/* ラジオ：第1〜3期サムネ色（青→橙→赤黒） */
main > #radio {
  background: linear-gradient(180deg, #060408 0%, #0a0810 50%, #060408 100%);
}

main > #radio::before {
  background: linear-gradient(
    90deg,
    var(--sec-radio-p1-glow),
    var(--sec-radio-p2-glow),
    var(--sec-radio-p3-glow)
  );
}

#radio .radio-period {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(40px, 6vw, 64px);
  padding: clamp(28px, 5vw, 48px) clamp(14px, 3vw, 28px);
  border-radius: clamp(12px, 2vw, 20px);
  border: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent);
  box-shadow:
    0 28px 72px color-mix(in srgb, var(--color-black) 60%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--color-white) 12%, transparent);
}

#radio .radio-period:last-child {
  margin-bottom: 0;
}

#radio .radio-period:nth-of-type(1) {
  background:
    radial-gradient(ellipse 110% 80% at 50% -20%, color-mix(in srgb, var(--sec-radio-p1-glow) 62%, transparent), transparent 52%),
    linear-gradient(165deg, var(--sec-radio-p1-base) 0%, #061830 55%, #0e2848 100%);
}

#radio .radio-period:nth-of-type(2) {
  background:
    radial-gradient(ellipse 100% 75% at 80% 0%, color-mix(in srgb, var(--sec-radio-p2-glow) 58%, transparent), transparent 50%),
    radial-gradient(ellipse 70% 55% at 10% 100%, color-mix(in srgb, #e8a050 32%, transparent), transparent 45%),
    linear-gradient(160deg, #4a2810 0%, var(--sec-radio-p2-base) 45%, #1a0c06 100%);
}

#radio .radio-period:nth-of-type(3) {
  background:
    radial-gradient(ellipse 95% 70% at 50% 110%, color-mix(in srgb, var(--sec-radio-p3-glow) 55%, transparent), transparent 52%),
    radial-gradient(ellipse 60% 50% at 0% 0%, color-mix(in srgb, #ffffff 8%, transparent), transparent 40%),
    linear-gradient(175deg, #280818 0%, var(--sec-radio-p3-base) 42%, #040204 100%);
}

main > .section-external-awards {
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, color-mix(in srgb, var(--sec-awards-glow) 55%, transparent), transparent 55%),
    linear-gradient(180deg, #3a2c10 0%, var(--sec-awards-base) 35%, #0e0c06 100%);
}

main > .section-external-awards::before {
  background: linear-gradient(90deg, #a8842e, var(--sec-awards-glow), #f0dc9a);
}

main > #contact {
  background:
    radial-gradient(ellipse 90% 70% at 100% 0%, color-mix(in srgb, var(--sec-contact-glow) 48%, transparent), transparent 50%),
    radial-gradient(ellipse 70% 55% at 0% 100%, color-mix(in srgb, #5eb3ff 25%, transparent), transparent 45%),
    linear-gradient(155deg, var(--sec-contact-base) 0%, #081018 50%, #142838 100%);
}

main > #contact::before {
  background: linear-gradient(90deg, #5eb3ff, var(--sec-contact-glow), #5eb3ff);
}

main > .section-hashtag {
  background:
    radial-gradient(ellipse 130% 100% at 50% 50%, color-mix(in srgb, var(--sec-hashtag-glow) 70%, transparent), transparent 58%),
    linear-gradient(180deg, var(--sec-hashtag-base) 0%, #020810 100%);
}

main > .section-hashtag::before {
  background: linear-gradient(90deg, transparent, var(--sec-hashtag-glow), transparent);
  opacity: 1;
  height: 6px;
}

main > .promo-banners {
  background: var(--sec-promo-base);
  box-shadow: inset 0 6px 24px color-mix(in srgb, var(--sec-hashtag-glow) 25%, transparent);
}

/* ----- 社報動画 ----- */
.section-teaser {
  padding-top: clamp(48px, 8vw, 100px);
  padding-inline: clamp(12px, 2.5vw, 28px);
  /* sal_01 が枠外に張り出す分 */
  padding-bottom: clamp(72px, 12vw, 132px);
}

.teaser-frame {
  position: relative;
  overflow: visible;
  box-sizing: border-box;
  padding: clamp(12px, 2.2vw, 18px);
  max-width: min(1480px, 100%);
  margin: 0 auto;
  background: var(--color-alpha-black-35);
  border-radius: 12px;
  border: 1px solid var(--color-alpha-white-mid);
  box-shadow: 0 24px 80px var(--color-alpha-black-45);
}

.teaser-frame__sound {
  position: absolute;
  top: clamp(14px, 2.6vw, 24px);
  right: clamp(14px, 2.6vw, 24px);
  z-index: 2;
  display: flex;
  gap: 6px;
  padding: 6px;
  background: linear-gradient(180deg, var(--color-glass-top), var(--color-glass-bottom));
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  box-shadow:
    0 10px 30px var(--color-alpha-black-35),
    inset 0 1px 0 var(--color-alpha-white-mid);
  backdrop-filter: blur(8px);
}

.teaser-frame__sound button {
  padding: 8px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 999px;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
  transition:
    color 0.25s var(--ease-out),
    background 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    transform 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}

.teaser-frame__sound button.is-active {
  color: var(--color-text-bright);
  background: radial-gradient(
    circle at 30% 30%,
    color-mix(in srgb, var(--color-accent) 35%, transparent),
    color-mix(in srgb, var(--color-accent) 20%, transparent)
  );
  border-color: color-mix(in srgb, var(--color-accent) 50%, white);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-accent) 25%, transparent) inset,
    0 0 22px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.teaser-frame__sound button:not(.is-active):hover {
  color: var(--color-text-bright-alt);
  background: var(--color-alpha-white-mid);
  border-color: var(--color-alpha-white-strong);
  transform: translateY(-1px);
}

.teaser-meta {
  position: relative;
  z-index: 2;
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  padding: clamp(14px, 2.4vw, 20px) 0 0;
  text-align: left;
  border-top: 1px solid color-mix(in srgb, var(--sec-teaser-glow) 22%, var(--color-alpha-white-mid));
}

.teaser-meta__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  margin-bottom: clamp(10px, 2vw, 14px);
}

.teaser-meta__badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  font-size: clamp(0.62rem, 1.4vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.2;
  color: color-mix(in srgb, var(--sec-teaser-glow) 92%, white);
  background: color-mix(in srgb, var(--sec-teaser-glow) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--sec-teaser-glow) 38%, transparent);
  border-radius: 999px;
}

.teaser-meta__date {
  font-size: clamp(0.78rem, 1.7vw, 0.84rem);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.teaser-meta__date-label {
  margin-right: 0.5em;
  font-size: 0.92em;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-muted) 88%, transparent);
}

.teaser-meta__title {
  margin: 0 0 clamp(14px, 2.4vw, 18px);
  max-width: 36em;
  font-family: inherit;
  font-size: clamp(1.02rem, 2.5vw, 1.28rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--color-text-bright);
  text-wrap: pretty;
}

.teaser-meta__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 20px;
  font-size: clamp(0.76rem, 1.7vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  color: var(--color-text-bright);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--sec-teaser-glow) 42%, white 10%);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--sec-teaser-glow) 42%, var(--color-surface)) 0%,
    color-mix(in srgb, var(--sec-teaser-base) 88%, black) 100%
  );
  box-shadow:
    0 4px 18px color-mix(in srgb, var(--sec-teaser-glow) 18%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 12%, transparent);
  transition:
    transform 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}

.teaser-meta__cta:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--sec-teaser-glow) 58%, white 14%);
  box-shadow:
    0 8px 24px color-mix(in srgb, var(--sec-teaser-glow) 28%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 16%, transparent);
}

.teaser-meta__cta:focus-visible {
  outline: 2px solid var(--sec-teaser-glow);
  outline-offset: 3px;
}

.teaser-meta__cta-icon {
  display: inline-block;
  font-size: 1.05em;
  line-height: 1;
  transition: transform 0.25s var(--ease-out);
}

.teaser-meta__cta:hover .teaser-meta__cta-icon {
  transform: translateX(3px);
}

@media (min-width: 768px) {
  /* sal_01（右下）と被らないよう左寄せ＋右余白 */
  .teaser-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-items: start;
    row-gap: clamp(10px, 1.6vw, 14px);
    padding-inline-end: clamp(92px, 11vw, 132px);
  }

  .teaser-meta__head {
    grid-column: 1;
    margin-bottom: 0;
  }

  .teaser-meta__title {
    grid-column: 1;
    margin-bottom: 0;
    max-width: none;
  }

  .teaser-meta__cta {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }
}

.teaser-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-black);
}

.teaser-video-wrap .teaser-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.teaser-video-wrap .teaser-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 767px) {
  .teaser-frame {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: clamp(10px, 2.5vw, 14px);
  }

  /* スマホのみ：映像の欄外（動画の上・枠内・中央） */
  .teaser-frame__sound {
    position: static;
    top: auto;
    right: auto;
    align-self: center;
    flex-shrink: 0;
    order: -1;
    margin: 0 0 clamp(8px, 2vw, 10px);
  }

  .teaser-video-wrap {
    order: 0;
  }

  .teaser-meta {
    order: 1;
    margin-top: clamp(12px, 2.8vw, 16px);
    padding-top: clamp(12px, 2.8vw, 16px);
  }

  .teaser-meta__title {
    font-size: clamp(0.95rem, 4.2vw, 1.08rem);
  }

  .teaser-frame__sound button {
    padding: 6px 10px;
    font-size: 0.65rem;
  }

  .teaser-video-wrap {
    aspect-ratio: 16 / 9;
    width: 100%;
    max-height: none;
    min-height: min(56.25vw, 85dvh);
  }
}

/* ----- 関連リンクバナー（3枚） ----- */
.promo-banners {
  padding: clamp(22px, 4vw, 40px) clamp(16px, 6vw, 62px);
}

.promo-banners__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 20px);
  max-width: 1080px;
  margin: 0 auto;
}

.promo-banners__item {
  display: block;
  overflow: hidden;
  border-radius: 6px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-alpha-white-mid);
  transition: transform 0.24s var(--ease-out), box-shadow 0.24s var(--ease-out), border-color 0.24s var(--ease-out);
}

.promo-banners__item img {
  display: block;
  width: 100%;
  height: auto;
}

.promo-banners__item:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  box-shadow: 0 12px 28px var(--color-alpha-black-35);
}

.promo-banners__item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.promo-banners__item--c {
  grid-column: 1 / 2;
}

@media (max-width: 767px) {
  .promo-banners__grid {
    grid-template-columns: 1fr;
  }

  .promo-banners__item--c {
    grid-column: auto;
  }
}

/* ----- 社報下 続報ビジュアル ----- */
.zokuho-block {
  width: 100%;
  background: var(--color-black);
}

.zokuho-block__media {
  display: block;
  width: 100%;
}

.zokuho-block__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ----- コンセプト（リード文 + 画像グリッド） ----- */
/* 背景は #about 全幅。幅制限は子要素のみ */
.section-concept > .section__title,
.section-concept > .concept-lead,
.section-concept > .hero-spec,
.section-concept > .concept-chart {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.concept-lead {
  position: relative;
  font-family: inherit;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 500;
  line-height: 2;
  color: var(--color-text-dim);
  text-align: center;
}

.concept-lead p + p {
  margin-top: 1.5em;
}

/* イントロ背景（img/bg_introduction.webp）：リード下端からヒーロー側へはみ出す。上寄せだと下端（街並み等）が切れるため下基準＋高さに余裕 */
.concept-lead::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -25%;
  transform: translateX(-50%);
  width: min(920px, calc(100% + 32px));
  height: clamp(160px, 34vw, 320px);
  z-index: 0;
  background-image: url('../img/bg_introduction.webp');
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: min(100%, 920px) auto;
  pointer-events: none;
}

.concept-lead > * {
  position: relative;
  z-index: 1;
}

/* 巨人サラリーマン：ガラス／発光／タイポ階層（2020s UI 寄せのダッシュボード感） */
.hero-spec {
  position: relative;
  margin-top: clamp(40px, 7vw, 80px);
  margin-left: auto;
  margin-right: auto;
  max-width: min(920px, calc(100% - 24px));
  padding: clamp(28px, 5vw, 48px) clamp(12px, 3vw, 20px);
}

.hero-spec__figure,
.hero-spec__panel {
  position: relative;
  z-index: 1;
}

.hero-spec__figure {
  margin: 0 auto clamp(2px, 1vw, 10px);
  padding: 0;
  max-width: 150px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-spec__hero-img {
  width: 100%;
  max-width: 150px;
  height: auto;
  display: block;
  object-fit: contain;
  transform: translateY(0) scale(1);
  transition:
    transform 0.38s var(--ease-out),
    filter 0.38s var(--ease-out);
  filter: drop-shadow(0 8px 18px var(--color-alpha-black-45))
    drop-shadow(0 0 20px color-mix(in srgb, var(--color-accent) 12%, transparent));
}

.hero-spec__figure:hover .hero-spec__hero-img {
  transform: translateY(-6px) scale(1.03);
  filter: drop-shadow(0 14px 24px var(--color-alpha-black-45))
    drop-shadow(0 0 28px color-mix(in srgb, var(--color-accent) 20%, transparent));
}

.hero-spec__panel {
  padding: clamp(4px, 1vw, 10px) 0 clamp(2px, 0.5vw, 6px);
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hero-spec__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 3vw, 22px);
  width: 100%;
  max-width: min(520px, 100%);
  margin: clamp(10px, 2vw, 18px) auto 0;
  padding: 0;
  list-style: none;
  border: none;
  background: none;
  box-shadow: none;
}

@media (max-width: 360px) {
  .hero-spec__stats {
    grid-template-columns: 1fr;
  }
}

.hero-spec__stat {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-height: clamp(128px, 26vw, 158px);
  padding: clamp(16px, 3.5vw, 24px) clamp(14px, 3vw, 20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: clamp(16px, 2.8vw, 22px);
  z-index: 0;
  border: 1px solid var(--hero-spec-glass-edge);
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--color-white) 12%, transparent) 0%,
      transparent 42%
    ),
    linear-gradient(
      205deg,
      transparent 55%,
      color-mix(in srgb, var(--color-black) 40%, transparent) 100%
    ),
    var(--hero-spec-glass);
  backdrop-filter: blur(22px) saturate(165%);
  -webkit-backdrop-filter: blur(22px) saturate(165%);
  box-shadow:
    0 12px 40px var(--color-alpha-black-55),
    inset 0 1px 0 var(--color-alpha-white-strong),
    inset 0 -12px 28px color-mix(in srgb, var(--color-black) 38%, transparent),
    var(--hero-spec-glow-soft);
  transition:
    transform 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out),
    border-color 0.3s ease;
}

.hero-spec__stat::before {
  content: '';
  position: absolute;
  inset: -10px;
  z-index: -2;
  border-radius: clamp(22px, 3.2vw, 28px);
  background: linear-gradient(
    118deg,
    color-mix(in srgb, var(--color-accent) 40%, transparent) 0%,
    transparent 42%,
    transparent 58%,
    color-mix(in srgb, var(--color-accent) 22%, transparent) 100%
  );
  opacity: 0.32;
  filter: blur(20px);
  pointer-events: none;
}

.hero-spec__stat::after {
  content: '';
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--color-white) 5%, transparent);
  pointer-events: none;
  opacity: 0.75;
}

.hero-spec__stat:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-white));
  box-shadow:
    0 20px 48px var(--color-alpha-black-55),
    inset 0 1px 0 var(--color-alpha-white-glow),
    0 0 48px color-mix(in srgb, var(--color-accent) 14%, transparent);
}

.hero-spec__dt {
  position: relative;
  z-index: 1;
  margin: 0 0 8px;
  font-family: ui-monospace, 'Noto Sans JP', monospace;
  font-size: clamp(0.58rem, 1.2vw, 0.66rem);
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text-dim) 94%, var(--color-accent));
}

.hero-spec__dd {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.45rem, 4.8vw, 2.05rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--color-text-bright);
  text-shadow:
    0 0 40px color-mix(in srgb, var(--color-accent) 22%, transparent),
    0 1px 0 color-mix(in srgb, var(--color-black) 55%, transparent);
}

.hero-spec__unit {
  margin-left: 0.1em;
  font-size: 0.52em;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-accent-soft) 70%, var(--color-text));
  text-decoration: none;
}

.hero-spec__origin,
.hero-spec__lore {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.hero-spec__origin {
  margin: clamp(24px, 4vw, 36px) auto 0;
  max-width: 38em;
  font-size: clamp(0.94rem, 2.05vw, 1.06rem);
  font-weight: 500;
  line-height: 1.9;
  text-align: center;
  text-wrap: pretty;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-text-dim) 96%, var(--color-text));
}

.hero-spec__cries-block {
  margin-top: clamp(28px, 5vw, 44px);
  padding: clamp(22px, 4vw, 32px) clamp(18px, 3.5vw, 28px);
  border-radius: clamp(18px, 3.5vw, 26px);
  border: 1px solid color-mix(in srgb, var(--hero-spec-glass-edge) 85%, var(--color-accent));
  background: color-mix(in srgb, var(--hero-spec-glass) 92%, transparent);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    0 16px 48px var(--color-alpha-black-50),
    inset 0 1px 0 var(--color-alpha-white-weak),
    0 0 60px color-mix(in srgb, var(--color-accent) 7%, transparent);
}

.hero-spec__cries-label {
  margin: 0 0 18px;
  font-family: ui-monospace, 'Noto Sans JP', monospace;
  font-size: clamp(0.56rem, 1.1vw, 0.64rem);
  font-weight: 600;
  letter-spacing: 0.36em;
  text-align: center;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text-dim) 90%, var(--color-accent));
}

.hero-spec__cry-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-spec__cry {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px 11px 12px;
  border: 1px solid color-mix(in srgb, var(--color-white) 10%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-bg) 55%, var(--color-surface));
  color: var(--color-text);
  font-family: inherit;
  font-size: clamp(0.8rem, 1.9vw, 0.9rem);
  font-weight: 800;
  letter-spacing: 0.07em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 4px 18px var(--color-alpha-black-40),
    inset 0 1px 0 var(--color-alpha-white-weak);
  transition:
    background 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out),
    transform 0.22s var(--ease-out),
    border-color 0.25s ease;
}

.hero-spec__cry:hover {
  transform: translateY(-3px);
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-accent) 32%, transparent);
  box-shadow:
    0 12px 32px var(--color-alpha-black-50),
    0 0 36px color-mix(in srgb, var(--color-accent) 20%, transparent),
    inset 0 1px 0 var(--color-alpha-white-mid);
}

.hero-spec__cry:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.hero-spec__cry:active {
  transform: translateY(-1px) scale(0.99);
}

.hero-spec__cry.is-playing {
  background: color-mix(in srgb, var(--color-accent) 20%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  box-shadow:
    0 0 32px color-mix(in srgb, var(--color-accent) 28%, transparent),
    0 6px 20px var(--color-alpha-black-45),
    inset 0 1px 0 var(--color-alpha-white-mid);
}

.hero-spec__cry-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: color-mix(in srgb, var(--color-accent-soft) 85%, var(--color-text));
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  box-shadow: inset 0 1px 0 var(--color-alpha-white-weak);
}

.hero-spec__cry-icon svg {
  display: block;
  width: 17px;
  height: 17px;
}

.hero-spec__cry.is-playing .hero-spec__cry-icon {
  animation: heroSpecCryPulse 0.9s ease-in-out infinite;
}

@keyframes heroSpecCryPulse {
  0%,
  100% {
    opacity: 0.9;
    transform: scale(1);
    box-shadow: inset 0 1px 0 var(--color-alpha-white-weak);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
    box-shadow:
      inset 0 1px 0 var(--color-alpha-white-mid),
      0 0 16px color-mix(in srgb, var(--color-accent) 35%, transparent);
  }
}

.hero-spec__cry-text {
  line-height: 1.25;
}

.hero-spec__cry-note {
  margin: 16px 0 0;
  font-size: clamp(0.66rem, 1.45vw, 0.74rem);
  line-height: 1.6;
  text-align: center;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.hero-spec__lore {
  margin: clamp(26px, 4.2vw, 40px) auto 0;
  padding: 0;
  border: none;
  max-width: 38em;
  font-family: inherit;
  font-size: clamp(0.9rem, 1.95vw, 1.02rem);
  font-weight: 500;
  line-height: 1.9;
  text-align: center;
  text-wrap: pretty;
  letter-spacing: 0.035em;
  color: color-mix(in srgb, var(--color-text-dim) 97%, var(--color-text));
}

.hero-spec__code {
  font-family: ui-monospace, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--color-alpha-black-35);
  color: color-mix(in srgb, var(--color-accent) 70%, var(--color-text));
}

@media (min-width: 540px) {
  .hero-spec__cry-list {
    flex-wrap: nowrap;
    justify-content: center;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-spec__stat,
  .hero-spec__stat:hover {
    transition: none;
    transform: none;
  }

  .hero-spec__hero-img,
  .hero-spec__figure:hover .hero-spec__hero-img {
    transition: none;
    transform: none;
    filter: drop-shadow(0 8px 18px var(--color-alpha-black-45))
      drop-shadow(0 0 20px color-mix(in srgb, var(--color-accent) 12%, transparent));
  }

  .hero-spec__cry,
  .hero-spec__cry:hover,
  .hero-spec__cry:active {
    transition: none;
    transform: none;
  }

  .hero-spec__cry.is-playing .hero-spec__cry-icon {
    animation: none;
  }
}

/* コンセプト（見出し + 図鑑グリッド） */
.concept-chart {
  --chart-line: var(--color-alpha-white-weak);
  margin-top: clamp(48px, 8vw, 88px);
  padding: clamp(28px, 5vw, 48px) clamp(20px, 4vw, 40px);
  background: transparent;
  border: none;
  border-radius: 20px;
  box-shadow: none;
}

.concept-chart__header {
  text-align: center;
  margin-bottom: clamp(22px, 4vw, 36px);
  padding-bottom: 0;
  border: none;
}

.concept-chart__eyebrow {
  margin: 0 0 10px;
  font-size: clamp(0.65rem, 1.4vw, 0.72rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.concept-chart__tagline {
  margin: 0 0 14px;
  font-size: clamp(0.78rem, 1.8vw, 0.88rem);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.concept-chart__phase-title {
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  color: var(--color-text-dim);
}

.concept-chart__phase-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  margin: 0.85em auto 0;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.75;
}

.concept-chart__phases {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 6vw, 56px);
}

.concept-chart__phase {
  margin: 0;
  padding: 0;
  border: none;
}

/* 期見出し：カード／塗りバッジは使わず、区切り線＋枠だけの番号（特撮台本・資料寄りのトーン） */
.concept-chart__phase-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 0 0 clamp(16px, 2.8vw, 24px);
  padding: clamp(18px, 3.2vw, 28px) 0 2px;
  border: none;
  border-radius: 0;
  background: none;
  border-top: 1px solid var(--chart-phase-line, var(--color-alpha-white-mid));
  box-shadow: none;
}

.concept-chart__phase:first-child .concept-chart__phase-head {
  border-top: none;
  padding-top: 0;
}

.concept-chart__phase--1 {
  --chart-phase-line: color-mix(in srgb, #c9b896 45%, transparent);
  --chart-phase-accent: #c4b59a;
}

.concept-chart__phase--2 {
  --chart-phase-line: color-mix(in srgb, #7aab88 50%, transparent);
  --chart-phase-accent: #8fbc9d;
}

.concept-chart__phase--3 {
  --chart-phase-line: color-mix(in srgb, #c9a43a 48%, transparent);
  --chart-phase-accent: #d8b456;
}

/* 会獣図鑑とは別枠（同僚のみ） */
.concept-chart__phase--colleagues {
  --chart-phase-line: color-mix(in srgb, var(--color-accent) 38%, transparent);
  --chart-phase-accent: var(--color-accent-soft);
}

.concept-chart__phase-head--colleagues {
  flex-wrap: wrap;
  gap: 10px 20px;
}

.concept-chart__phase-badge {
  flex-shrink: 0;
  display: grid;
  place-items: stretch;
  box-sizing: border-box;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--chart-phase-accent);
  border-radius: 2px;
  background: transparent;
  color: var(--chart-phase-accent);
  font-family: ui-monospace, 'Cascadia Mono', 'Consolas', 'Noto Sans Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.concept-chart__phase-badge-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  line-height: 1;
  font: inherit;
}

.concept-chart__phase-label {
  font-family: 'Zen Old Mincho', 'Hina Mincho', serif;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-text-bright);
}

.concept-chart__phase-note {
  font-size: clamp(0.72rem, 1.5vw, 0.8rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.concept-chart__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: clamp(14px, 3vw, 24px);
  width: 100%;
  margin: 0;
  padding: 0;
  min-height: 0;
}

@media (min-width: 560px) {
  .concept-chart__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .concept-chart__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .concept-chart__cell--lead {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: stretch;
  }

  .concept-chart__cell--lead .concept-chart__figure {
    flex: 0 0 min(44%, 320px);
    min-height: 0;
    min-width: 0;
    border-bottom: none;
    border-right: 1px solid var(--color-alpha-white-weak);
  }

  .concept-chart__cell--lead .concept-chart__figure img {
    max-height: min(320px, 38vw);
  }

  .concept-chart__cell--lead .concept-chart__panel {
    flex: 1;
    justify-content: center;
  }
}

.concept-chart__cell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: clamp(8px, 1.5vw, 12px);
  margin: 0;
  padding: clamp(12px, 2.2vw, 18px);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: center;
  background: var(--color-alpha-white-weak);
  overflow: hidden;
  box-shadow: none;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  transition:
    transform 0.18s var(--ease-out),
    background 0.18s var(--ease-out),
    outline-color 0.2s var(--ease-out);
  transform-origin: center;
}

.concept-chart__thumb-wrap {
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-alpha-black-35);
}

.concept-chart__thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* 行内で最も高いカードに合わせて伸びる余白に、1行／2行どちらも縦方向中央 */
.concept-chart__name {
  flex: 1 1 auto;
  display: grid;
  place-content: center;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 0;
  font-size: clamp(0.7rem, 1.5vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: var(--color-text-dim);
  word-break: break-word;
  text-align: center;
  text-wrap: balance;
}

.concept-chart__cell:hover {
  transform: translateY(-3px);
  background: var(--color-alpha-white-weak);
  box-shadow: none;
}

.concept-chart__cell:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--color-accent) 90%, transparent);
  outline-offset: 2px;
  background: var(--color-alpha-white-weak);
  box-shadow: none;
}

.concept-chart__cell.is-flipped {
  overflow: visible;
  border-radius: 0;
  z-index: 6;
  box-shadow: 0 20px 56px var(--color-alpha-black-55);
}

.concept-chart__figure {
  display: none;
}

.concept-chart__figure img {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: clamp(200px, 32vw, 280px);
  object-fit: contain;
  display: block;
}

.concept-chart__panel {
  display: none;
}

.concept-chart__panel-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin: 0;
  padding: 14px 14px 12px;
  background: transparent;
  border-bottom: 1px solid var(--color-alpha-white-weak);
  color: var(--color-text);
}

.concept-chart__panel-head--solo {
  align-items: center;
  text-align: center;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.concept-chart__ep {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.95;
}

.concept-chart__panel-name {
  font-size: clamp(1.2rem, 3.2vw, 1.65rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.25;
  color: var(--color-text-dim);
}

.concept-chart__stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px 16px;
  font-size: clamp(0.68rem, 1.5vw, 0.78rem);
  line-height: 1.45;
}

.concept-chart__row {
  display: grid;
  grid-template-columns: 3.5em 1fr;
  gap: 8px 12px;
  align-items: baseline;
  margin: 0;
  padding: 0;
  border: none;
}

.concept-chart__dt {
  margin: 0;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.concept-chart__dd {
  margin: 0;
  font-weight: 500;
  color: var(--color-text-dim);
}

.concept-chart__cell--tbd .concept-chart__dd {
  opacity: 0.38;
}

/* ----- concept-chart フリップ（モーダル無しで情報表示） ----- */
.concept-chart__flipper {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  transition: transform 0.65s var(--ease-out);
  display: block;
  min-height: 0;
}

.concept-chart__cell.is-flipped .concept-chart__flipper {
  transform: rotateY(180deg);
}

.concept-chart__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  overflow: hidden;
}

.concept-chart__face--front {
  transform: rotateY(0deg);
  display: flex;
  flex-direction: column;
}

.concept-chart__face--front .concept-chart__stats {
  display: none;
}

.concept-chart__face--back {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0;
  padding: 0;
  background: transparent;
  color: var(--color-white);
  border-radius: 0;
}

.concept-chart__face--front {
  opacity: 1;
  pointer-events: auto;
  z-index: 0;
}

.concept-chart__face--back {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease-out);
  z-index: 0;
}

.concept-chart__cell.is-flipped .concept-chart__face--front {
  opacity: 0 !important;
  pointer-events: none;
  z-index: 0;
}

.concept-chart__cell.is-flipped .concept-chart__face--back {
  opacity: 1 !important;
  pointer-events: auto;
  z-index: 1;
}

/* バック面：黒地・白枠・左上/右下カットのジオメトリ枠＋左イラスト／右情報 */
.concept-chart__back-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  min-height: 0;
  overflow: visible;
}

.concept-chart__back-frame {
  --concept-chamfer: min(18px, 5.5vw);
  display: flex;
  flex-direction: row;
  align-items: stretch;
  width: 100%;
  box-sizing: border-box;
  padding: clamp(10px, 2vw, 16px);
  gap: clamp(12px, 2.5vw, 20px);
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-white);
  clip-path: polygon(
    var(--concept-chamfer) 0,
    100% 0,
    100% calc(100% - var(--concept-chamfer)),
    calc(100% - var(--concept-chamfer)) 100%,
    0 100%,
    0 var(--concept-chamfer)
  );
}

.concept-chart__back-visual {
  flex: 0 0 clamp(96px, 30%, 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  padding: 2px 0 2px 2px;
}

.concept-chart__back-visual img {
  width: 100%;
  height: auto;
  max-height: min(220px, 42vw);
  object-fit: contain;
  display: block;
}

.concept-chart__back-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  text-align: left;
  padding: 2px 4px 6px 0;
}

.concept-chart__back-ep {
  font-size: clamp(0.62rem, 1.35vw, 0.74rem);
  font-weight: 800;
  letter-spacing: 0.22em;
  color: color-mix(in srgb, var(--color-accent) 95%, transparent);
  margin: 0 0 6px;
}

.concept-chart__back-name {
  font-family: inherit;
  font-size: clamp(1.05rem, 2.85vw, 1.48rem);
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1.22;
  color: var(--color-white);
  margin: 0;
}

.concept-chart__back-rule {
  position: relative;
  width: 100%;
  height: 1px;
  margin: clamp(12px, 2vw, 18px) 0 clamp(14px, 2.2vw, 20px);
  background: var(--color-white);
  -webkit-mask-image: linear-gradient(
    90deg,
    var(--color-black) 0,
    var(--color-black) calc(50% - 14px),
    transparent calc(50% - 6px),
    transparent calc(50% + 6px),
    var(--color-black) calc(50% + 14px),
    var(--color-black) 100%
  );
  mask-image: linear-gradient(
    90deg,
    var(--color-black) 0,
    var(--color-black) calc(50% - 14px),
    transparent calc(50% - 6px),
    transparent calc(50% + 6px),
    var(--color-black) calc(50% + 14px),
    var(--color-black) 100%
  );
}

.concept-chart__back-rule::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid var(--color-white);
}

.concept-chart__back-rows {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.8vw, 14px);
  width: 100%;
}

.concept-chart__back-row {
  display: grid;
  grid-template-columns: minmax(4.8em, 6.2em) 1fr;
  column-gap: 12px;
  align-items: start;
}

.concept-chart__back-dt {
  font-weight: 700;
  color: var(--color-alpha-white-muted);
  font-size: clamp(0.76rem, 1.55vw, 0.88rem);
  line-height: 1.5;
}

.concept-chart__back-dd {
  font-weight: 600;
  color: var(--color-alpha-white-near);
  min-height: 1.3em;
  word-break: normal;
  white-space: normal;
  overflow-wrap: break-word;
  line-height: 1.6;
  font-size: clamp(0.8rem, 1.65vw, 0.94rem);
}

@media (max-width: 520px) {
  .concept-chart__back-frame {
    flex-direction: column;
    align-items: stretch;
  }

  .concept-chart__back-visual {
    flex: 0 0 auto;
    max-height: 150px;
    padding: 4px 8px 0;
  }

  .concept-chart__back-visual img {
    max-height: 130px;
  }

  .concept-chart__back-main {
    padding: 0 4px 10px;
  }
}

.concept-chart__back-img {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-chart__back-img img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 190px;
  object-fit: contain;
  display: block;
}

.concept-chart__back-text {
  overflow: auto;
  padding-right: 6px;
}

.concept-chart__back-line {
  margin: 0 0 0.65em;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-on-accent);
  opacity: 1;
  transform: none;
  transition: none;
  font-weight: 800;
}

.concept-chart__back-text .concept-chart__back-line:last-child {
  margin-bottom: 0;
}

.concept-chart__cell.is-flipped .concept-chart__back-line {
  opacity: 1;
  transform: none;
  transition-delay: 0s;
}

@media (prefers-reduced-motion: reduce) {
  .concept-chart__cell {
    transition: none;
  }

  .concept-chart__cell:hover {
    transform: none;
  }

  .concept-chart__flipper {
    transition: none;
  }

  .concept-chart__back-line {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* コンセプト画像：枠なし・横並び（01〜） */
.concept-gallery {
  --cg-gap: clamp(10px, 2vw, 20px);
  margin-top: clamp(40px, 6vw, 72px);
  list-style: none;
  padding: 0;
}

.concept-gallery--row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--cg-gap);
}

.concept-gallery--row .concept-gallery__cell {
  flex: 1 1 clamp(100px, 16vw, 180px);
  max-width: min(200px, 28vw);
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  aspect-ratio: auto;
  overflow: visible;
}

.concept-gallery__cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 0;
  margin: 0;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: center;
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.concept-gallery__num {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  font-family: inherit;
  font-size: clamp(0.65rem, 1.4vw, 0.75rem);
  font-weight: 800;
  letter-spacing: 0.22em;
  text-align: center;
  color: var(--color-text-dim);
}

.concept-gallery__cell:hover,
.concept-gallery__cell:focus-visible {
  transform: translateY(-2px);
  opacity: 0.95;
}

.concept-gallery__cell:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.concept-gallery__thumb {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-inline: auto;
  background: transparent;
}

.concept-gallery__thumb img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 520px) {
  .concept-gallery--row .concept-gallery__cell {
    flex: 1 1 calc(33.333% - var(--cg-gap));
    max-width: none;
  }
}

/* コンセプト用モーダル：怪獣イラストを主役に、パネル内に収めてスクロールなし */
.news-modal--concept .news-modal__panel {
  display: flex;
  flex-direction: column;
  max-width: min(1080px, 98vw);
  max-height: min(100vh - 48px, 920px);
  max-height: min(100dvh - 48px, 920px);
  overflow: hidden;
  scrollbar-width: none;
}

.news-modal--concept .news-modal__panel::-webkit-scrollbar {
  display: none;
}

.news-modal--concept .news-modal__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding-right: 48px;
  margin-bottom: clamp(10px, 2vw, 16px);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-align: center;
  color: var(--color-text);
}

.news-modal--concept .news-modal__title::after {
  content: '';
  display: block;
  width: min(96px, 22vw);
  height: 1px;
  margin-top: 0.15em;
  border-radius: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--modal-glow) 85%, transparent) 50%,
    transparent 100%
  );
}

.news-modal__body--concept {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  scrollbar-width: none;
}

.news-modal__body--concept::-webkit-scrollbar {
  display: none;
}

.news-modal__body--concept .concept-modal-article {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr) auto;
  flex: 1 1 auto;
  min-height: 0;
  gap: clamp(8px, 1.4vw, 14px);
}

@media (min-width: 768px) {
  .news-modal__body--concept .concept-modal-article {
    grid-template-columns: minmax(248px, 34%) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    align-items: stretch;
    min-height: 0;
    gap: clamp(14px, 2vw, 24px);
  }

  .news-modal__body--concept .concept-modal-article:has(.concept-modal__figure--top) {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    min-height: 0;
  }
}

.news-modal__body--concept > .concept-modal-caption {
  flex-shrink: 0;
  margin-top: 0;
  max-width: 40em;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.news-modal__body--concept .concept-modal-article .concept-spec {
  grid-column: 1;
  grid-row: 1;
  gap: 6px;
}

.news-modal__body--concept .concept-modal-article .concept-spec__row {
  padding: 8px 12px;
  gap: 8px 10px;
}

.news-modal__body--concept .concept-modal-article .concept-modal__figure-slot {
  grid-column: 1;
  grid-row: 2;
  min-height: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(4px, 1vw, 12px) 0;
}

@media (min-width: 768px) {
  .news-modal__body--concept .concept-modal-article .concept-spec {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
  }

  .news-modal__body--concept .concept-modal-article .concept-modal__figure-slot {
    grid-column: 2;
    grid-row: 1 / span 2;
    min-height: 0;
    padding: 0;
  }

  .news-modal__body--concept .concept-modal-article:has(.concept-modal__figure--top) .concept-modal__figure-slot {
    grid-column: 1;
    grid-row: 3;
  }
}

.news-modal__body--concept .concept-modal-article .concept-modal-audio {
  grid-column: 1;
  grid-row: 3;
  margin-top: 0;
  padding-top: clamp(8px, 1.5vw, 14px);
}

@media (min-width: 768px) {
  .news-modal__body--concept .concept-modal-article .concept-modal-audio {
    grid-column: 1;
    grid-row: 2;
    align-self: end;
    padding-top: clamp(10px, 1.5vw, 16px);
  }

  .news-modal__body--concept .concept-modal-article:has(.concept-modal__figure--top) .concept-modal-audio {
    grid-row: 4;
  }
}

.news-modal__body--concept .concept-modal__figure-slot--solo {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.news-modal__body--concept .concept-modal__figure {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 0;
  object-fit: contain;
  object-position: center bottom;
  box-shadow: none;
}

.news-modal__body--concept .concept-modal-article .concept-modal__figure-slot .concept-modal__figure {
  max-width: min(100%, 880px);
  max-height: 100%;
}

@media (min-width: 768px) {
  .news-modal__body--concept .concept-modal-article .concept-modal__figure-slot .concept-modal__figure {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
  }
}

.news-modal__body--concept .concept-modal-article .concept-modal__figure--top {
  grid-column: 1 / -1;
  grid-row: 1;
  width: auto;
  max-width: min(280px, 52%);
  min-width: 0;
  margin-inline: auto;
  margin-bottom: clamp(8px, 1.5vw, 14px);
}

.news-modal__body--concept .concept-modal-article:has(.concept-modal__figure--top) .concept-spec {
  grid-row: 2;
}

.news-modal__body--concept .concept-modal-article .concept-modal__figure--below {
  margin-top: 0;
  margin-bottom: 0;
}

.news-modal__body--concept .concept-modal-text {
  flex-shrink: 0;
  max-width: 40em;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  font-family: inherit;
  font-size: clamp(0.9rem, 2vw, 1rem);
  line-height: 1.85;
  text-align: left;
  text-wrap: pretty;
  color: var(--color-text-dim);
}

.news-modal__body--concept .concept-modal-text p {
  margin: 0 0 0.65em;
}

.news-modal__body--concept .concept-modal-text p:last-of-type {
  margin-bottom: 0;
}

.concept-spec {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.concept-spec__row {
  display: grid;
  grid-template-columns: minmax(4.2em, auto) 1fr;
  gap: 12px 14px;
  align-items: start;
  padding: 12px 16px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--color-surface) 70%, var(--color-bg));
  border: 1px solid var(--hero-spec-ring);
  box-shadow:
    0 2px 14px var(--color-alpha-black-35),
    inset 0 1px 0 var(--color-alpha-white-weak);
}

.news-modal__body--concept .concept-spec__row {
  background: color-mix(in srgb, var(--modal-mid) 58%, var(--modal-base));
  border: 1px solid color-mix(in srgb, var(--modal-glow) 26%, var(--hero-spec-ring));
  box-shadow:
    0 2px 14px var(--color-alpha-black-35),
    0 0 18px color-mix(in srgb, var(--modal-glow) 7%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--modal-glow) 10%, transparent);
}

.concept-spec__label {
  font-family: ui-monospace, 'Noto Sans JP', monospace;
  font-size: clamp(0.58rem, 1.15vw, 0.64rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding-top: 3px;
}

.concept-spec__value {
  font-size: clamp(0.85rem, 1.9vw, 0.95rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--color-text-dim);
}

.news-modal__body--concept .concept-modal-caption {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-dim);
  margin: 0;
}

.news-modal__body--concept .concept-modal-audio {
  flex-shrink: 0;
  margin-top: clamp(14px, 2.2vw, 20px);
  padding-top: clamp(12px, 2vw, 18px);
  border-top: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.news-modal__body--concept .concept-modal-audio__cry-label {
  margin: 0;
  width: 100%;
  max-width: 36em;
  text-align: center;
  font-size: clamp(0.8rem, 1.8vw, 0.9rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.news-modal__body--concept .concept-modal-audio__cv {
  margin: 0;
  width: 100%;
  max-width: 36em;
  text-align: center;
  font-size: clamp(0.8rem, 1.8vw, 0.9rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.news-modal__body--concept .concept-modal-audio__note {
  margin: 0;
  max-width: 36em;
  text-align: center;
  font-size: clamp(0.75rem, 1.5vw, 0.82rem);
  color: var(--color-text-secondary);
}

.news-modal__body--concept .concept-modal-audio__controls {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

.news-modal__body--concept .concept-modal-audio__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--modal-glow) 18%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--modal-base) 42%, var(--modal-mid));
  color: color-mix(in srgb, var(--modal-glow) 95%, var(--color-text-secondary));
  accent-color: var(--modal-glow);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 2px 14px var(--color-alpha-black-35);
  transition:
    background 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out),
    box-shadow 0.2s var(--ease-out),
    transform 0.15s var(--ease-out);
}

.news-modal__body--concept .concept-modal-audio__btn:hover {
  background: color-mix(in srgb, var(--modal-glow) 24%, var(--modal-base));
  border-color: color-mix(in srgb, var(--modal-glow) 38%, transparent);
  box-shadow:
    0 4px 20px var(--color-alpha-black-45),
    0 0 24px color-mix(in srgb, var(--modal-glow) 28%, transparent);
}

.news-modal__body--concept .concept-modal-audio__btn:focus-visible {
  outline: 2px solid var(--modal-glow);
  outline-offset: 3px;
}

.news-modal__body--concept .concept-modal-audio__btn:active {
  transform: scale(0.96);
}

.news-modal__body--concept .concept-modal-audio__btn.is-playing {
  background: color-mix(in srgb, var(--modal-glow) 42%, var(--modal-base));
  border-color: color-mix(in srgb, var(--modal-glow) 52%, transparent);
  color: color-mix(in srgb, var(--modal-glow) 100%, var(--color-text));
  box-shadow:
    0 0 26px color-mix(in srgb, var(--modal-glow) 42%, transparent),
    0 2px 12px var(--color-alpha-black-40);
}

.news-modal__body--concept .concept-modal-audio__icon svg {
  display: block;
}

/* ラジオ：左下ミニプレイヤー（全画面オーバーレイなし・ドラッグで移動可） */
.radio-player {
  position: fixed;
  z-index: 2500;
  left: clamp(12px, 2.5vw, 24px);
  right: auto;
  bottom: clamp(12px, 2.5vw, 24px);
  top: auto;
  width: min(380px, calc(100vw - 24px));
  max-height: min(72vh, 560px);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0;
  margin: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out), visibility 0.3s;
}

.radio-player.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.radio-player__panel {
  position: relative;
  z-index: 0;
  isolation: isolate;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-sans);
  padding: 14px 14px 12px;
  border-radius: 16px;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  background-color: color-mix(in srgb, var(--modal-base) 96%, var(--color-black));
  background-image: linear-gradient(
    165deg,
    color-mix(in srgb, var(--modal-mid) 82%, var(--modal-glow)) 0%,
    color-mix(in srgb, var(--modal-base) 92%, var(--modal-glow)) 100%
  );
  border: 1px solid color-mix(in srgb, var(--modal-glow) 38%, var(--color-white) 10%);
  box-shadow:
    0 16px 48px var(--color-alpha-black-55),
    0 0 40px color-mix(in srgb, var(--modal-glow) 24%, transparent),
    0 0 0 1px color-mix(in srgb, var(--modal-glow) 20%, transparent);
  --color-accent: var(--modal-glow);
}

.radio-player__panel.is-dragging {
  cursor: grabbing;
}

/* 操作系はページスクロール／タップ優先（パネル自体は touch-action: none） */
.radio-player__panel button,
.radio-player__panel input,
.radio-player__panel a {
  touch-action: manipulation;
  cursor: pointer;
}

.radio-player__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-alpha-white-weak);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.radio-player__close::before,
.radio-player__close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.radio-player__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.radio-player__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.radio-player__close:hover,
.radio-player__close:focus-visible {
  background: color-mix(in srgb, var(--color-accent) 20%, transparent);
  outline: none;
}

.radio-player__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 0;
  padding-right: 40px;
}

.radio-player__head .radio-player__mode {
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.radio-player__title {
  margin: 0;
  font-size: clamp(0.78rem, 2vw, 0.88rem);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.radio-player__modes {
  display: inline-flex;
  gap: 0;
  border-radius: 999px;
  padding: 3px;
  background: var(--color-alpha-black-35);
  border: 1px solid var(--color-alpha-white-mid);
  align-self: center;
}

.radio-player__mode {
  padding: 6px 14px;
  border: none;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-alpha-white-muted);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.radio-player__mode.is-active {
  color: var(--color-on-accent);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-shade));
  box-shadow: 0 2px 12px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.radio-player__mode:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.radio-player__media {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-black);
}

.radio-player:not(.radio-player--audio) .radio-player__media {
  margin-top: 0;
}

.radio-player__embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.radio-player__embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* 音声のみ：映像エリアはレイアウトから外し、見えないようにする（音声は継続） */
.radio-player--audio .radio-player__media {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  border: 0;
  opacity: 0;
  pointer-events: none;
  border-radius: 0;
}

.radio-player--audio .radio-player__head {
  margin-bottom: 0;
}

.radio-player__timeline {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 0;
}

.radio-player__progress {
  width: 100%;
  height: 8px;
  margin: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.radio-player__progress:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.radio-player__time {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--color-alpha-white-muted);
}

.radio-player__time-sep {
  opacity: 0.55;
}

.radio-player__volume-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
}

.radio-player__vol-icon {
  flex: 0 0 auto;
  display: flex;
  color: var(--color-alpha-white-muted);
}

.radio-player__volume {
  flex: 1;
  min-width: 0;
  height: 8px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.radio-player__transport {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 4vw, 22px);
  margin-top: 0;
  padding: 4px 2px 2px;
}

.radio-player--audio .radio-player__transport {
  margin-top: 0;
}

/* 前後：小さめの円形ステップ（テキストなしでスッキリ） */
.radio-player__step {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--color-alpha-white-strong);
  border-radius: 50%;
  background: var(--color-alpha-white-weak);
  color: var(--color-text);
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s,
    transform 0.15s var(--ease-out);
}

.radio-player__step:hover:not(:disabled) {
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  color: var(--color-text-bright);
}

.radio-player__step:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.radio-player__step:active:not(:disabled) {
  transform: scale(0.94);
}

.radio-player__step:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.radio-player__step svg {
  display: block;
  margin-left: -1px;
}

.radio-player__step#radioNext svg {
  margin-left: 1px;
}

/* 中央：常にアイコン1つだけ（JSで入れ替え） */
.radio-player__play {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--color-accent-tint) 0%, var(--color-accent) 45%, var(--color-accent-shade) 100%);
  color: var(--color-on-accent);
  cursor: pointer;
  box-shadow:
    0 4px 16px color-mix(in srgb, var(--color-accent) 40%, transparent),
    inset 0 1px 0 var(--color-alpha-white-glow);
  transition: transform 0.15s var(--ease-out), box-shadow 0.2s, filter 0.2s;
}

.radio-player__play:hover {
  filter: brightness(1.06);
  box-shadow:
    0 6px 22px color-mix(in srgb, var(--color-accent) 50%, transparent),
    inset 0 1px 0 var(--color-alpha-white-glow);
}

.radio-player__play:focus-visible {
  outline: 2px solid var(--color-accent-soft);
  outline-offset: 3px;
}

.radio-player__play:active {
  transform: scale(0.96);
}

.radio-player__play.is-playing {
  background: linear-gradient(160deg, var(--color-accent-tint) 0%, var(--color-accent-shade) 50%, var(--color-accent-deep) 100%);
  color: var(--color-text-bright);
  box-shadow:
    0 4px 14px var(--color-alpha-black-35),
    inset 0 1px 0 var(--color-alpha-white-mid);
}

.radio-player__play-svg {
  display: block;
  margin-left: 2px;
}

.radio-player__play.is-playing .radio-player__play-svg {
  margin-left: 0;
}

.radio-player__external {
  margin: 0;
  text-align: center;
}

.radio-player__external a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.radio-player__external a:hover {
  color: var(--color-accent-soft);
}

/* スマホ：左下・小さめカード（全幅バーより占有を抑える） */
@media (max-width: 767px) {
  .radio-player {
    left: max(10px, env(safe-area-inset-left, 0px));
    right: auto;
    bottom: max(10px, env(safe-area-inset-bottom, 0px));
    /* スマホ用ミニ化: 比率で幅を制御（必要なら 0.25 まで下げられる） */
    --radio-player-mobile-width-ratio: 0.62;
    /* 実運用では操作性を守るため最小幅を確保 */
    width: clamp(182px, calc((100vw - 36px) * var(--radio-player-mobile-width-ratio)), 248px);
    /* 縦の占有を抑える（中身のレイアウト詰めとセット） */
    max-height: min(40vh, 244px);
    align-items: flex-end;
    justify-content: flex-start;
  }

  .radio-player__panel {
    border-radius: 12px;
    padding: 6px 8px 7px;
    gap: 5px;
    max-height: min(38vh, 232px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-alpha-white-mid);
    box-shadow:
      0 10px 32px var(--color-alpha-black-50),
      0 0 0 1px color-mix(in srgb, var(--color-accent) 8%, transparent);
    background-color: color-mix(in srgb, var(--color-bg) 94%, var(--color-surface));
    background-image: linear-gradient(
      165deg,
      color-mix(in srgb, var(--color-surface) 72%, var(--color-accent)),
      color-mix(in srgb, var(--color-bg) 84%, var(--color-accent))
    );
  }

  .radio-player__close {
    top: 4px;
    right: 4px;
    width: 28px;
    height: 28px;
  }

  /* タイトルと 動画/音声 を1行にして縦積みを削減 */
  .radio-player__head {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 6px 8px;
    margin-bottom: 0;
    padding-right: 30px;
    min-height: 0;
  }

  .radio-player__title {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    max-width: 100%;
    font-size: 0.58rem;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
  }

  .radio-player__modes {
    flex: 0 0 auto;
    padding: 1px 2px;
    border-radius: 999px;
    align-self: center;
  }

  .radio-player__mode {
    padding: 2px 6px;
    font-size: 0.54rem;
    letter-spacing: 0.04em;
  }

  .radio-player__mode.is-active {
    box-shadow: none;
  }

  .radio-player__media {
    border-radius: 8px;
  }

  /* 動画モード：縦を取りすぎないよう高さを強く制限 */
  .radio-player:not(.radio-player--audio) .radio-player__media {
    margin-top: 0;
    max-height: min(18vh, 104px);
  }

  .radio-player:not(.radio-player--audio) .radio-player__embed {
    max-height: min(18vh, 104px);
    aspect-ratio: 16 / 9;
  }

  .radio-player--audio .radio-player__head {
    margin-bottom: 0;
  }

  /* シークと時刻を同一行に（従来は縦2段） */
  .radio-player__timeline {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 7px;
    margin-top: 0;
  }

  .radio-player__progress {
    flex: 1 1 auto;
    min-width: 0;
    height: 5px;
  }

  .radio-player__time {
    flex: 0 0 auto;
    font-size: 0.56rem;
    line-height: 1;
    white-space: nowrap;
  }

  /* スマホは音量行を省略して縦を削減（端末ボリューム操作を優先） */
  .radio-player__volume-row {
    display: none;
  }

  .radio-player__transport {
    gap: 6px;
    margin-top: 2px;
    padding: 0;
  }

  .radio-player__step {
    width: 26px;
    height: 26px;
  }

  .radio-player__step svg {
    width: 13px;
    height: 13px;
  }

  .radio-player__play {
    width: 30px;
    height: 30px;
    box-shadow:
      0 2px 8px color-mix(in srgb, var(--color-accent) 28%, transparent),
      inset 0 1px 0 var(--color-alpha-white-mid);
  }

  .radio-player__play:hover {
    box-shadow:
      0 3px 12px color-mix(in srgb, var(--color-accent) 34%, transparent),
      inset 0 1px 0 var(--color-alpha-white-mid);
  }

  .radio-player__play.is-playing {
    box-shadow:
      0 2px 6px var(--color-alpha-black-35),
      inset 0 1px 0 var(--color-alpha-white-mid);
  }

  .radio-player__play-svg {
    width: 14px;
    height: 14px;
  }

  .radio-player__external {
    display: none;
  }
}

/* ----- ニュース ----- */
.news-list {
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.news-list__row {
  width: 100%;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: clamp(16px, 3vw, 32px);
  align-items: baseline;
  text-align: left;
  padding: clamp(18px, 2.5vw, 24px) 0;
  border-bottom: 1px solid var(--color-alpha-white-mid);
  transition: background 0.2s;
  cursor: pointer;
}

@media (max-width: 540px) {
  .news-list__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.news-list__row:hover,
.news-list__row:focus-visible {
  background: var(--color-alpha-white-weak);
}

.news-list__row:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.news-list__date {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.news-list__title {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
}

/* ----- モーダル（セクション背景と連動するテーマ） ----- */
.news-modal {
  --modal-glow: var(--color-accent);
  --modal-base: var(--color-bg);
  --modal-mid: var(--color-surface);
  --modal-backdrop: color-mix(in srgb, var(--color-black) 78%, var(--color-accent) 12%);
}

.radio-player {
  --modal-glow: var(--color-accent);
  --modal-base: var(--color-bg);
  --modal-mid: var(--color-surface);
}

.news-modal--theme-news {
  --modal-glow: var(--sec-news-glow);
  --modal-base: var(--sec-news-base);
  --modal-mid: #2a2418;
  --modal-backdrop: color-mix(in srgb, var(--sec-news-base) 55%, var(--color-black));
}

.news-modal--theme-about {
  --modal-glow: var(--sec-about-glow);
  --modal-base: var(--sec-about-base);
  --modal-mid: color-mix(in srgb, var(--sec-about-glow) 22%, var(--sec-about-base));
  --modal-backdrop: color-mix(in srgb, var(--sec-about-base) 58%, var(--color-black));
}

.radio-player--theme-liveaction {
  --modal-glow: var(--sec-liveaction-glow);
  --modal-base: var(--sec-liveaction-base);
  --modal-mid: #3d1a0a;
  --modal-backdrop: transparent;
}

.radio-player--theme-radio,
.radio-player--theme-radio-p1 {
  --modal-glow: var(--sec-radio-p1-glow);
  --modal-base: var(--sec-radio-p1-base);
  --modal-mid: #0e2848;
}

.radio-player--theme-radio-p2 {
  --modal-glow: var(--sec-radio-p2-glow);
  --modal-base: var(--sec-radio-p2-base);
  --modal-mid: #4a2810;
}

.radio-player--theme-radio-p3 {
  --modal-glow: var(--sec-radio-p3-glow);
  --modal-base: var(--sec-radio-p3-base);
  --modal-mid: #280818;
}

.news-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}

.news-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.news-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--modal-backdrop, var(--color-alpha-black-72));
  backdrop-filter: blur(8px);
}

.news-modal__panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: min(85vh, 720px);
  max-height: min(100dvh - 48px, 720px);
  overflow: auto;
  border-radius: 8px;
  padding: clamp(24px, 4vw, 40px);
  color: var(--color-text);
  --color-accent: var(--modal-glow);
  background:
    radial-gradient(ellipse 95% 52% at 50% -10%, color-mix(in srgb, var(--modal-glow) 38%, transparent) 0%, transparent 54%),
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--modal-mid) 88%, var(--modal-base)) 0%,
      var(--modal-base) 100%
    );
  border: 1px solid color-mix(in srgb, var(--modal-glow) 42%, var(--color-white) 8%);
  box-shadow:
    0 10px 40px var(--color-alpha-black-55),
    0 0 48px color-mix(in srgb, var(--modal-glow) 22%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--modal-glow) 18%, transparent);
  transform: translateY(14px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
}

.news-modal.is-open .news-modal__panel {
  transform: translate(0, 0) scale(1);
  opacity: 1;
}

.news-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  padding: 0;
  margin: 0;
  border-radius: 50%;
  background: var(--color-alpha-white-weak);
  color: var(--color-text);
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

/* 幾何学の×（中央基準で回転してもずれない） */
.news-modal__close::before,
.news-modal__close::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transform-origin: 50% 50%;
  transition: transform 0.28s var(--ease-out);
}

.news-modal__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.news-modal__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.news-modal__close:hover,
.news-modal__close:focus-visible {
  background: var(--color-alpha-white-mid);
  color: var(--color-text-bright);
}

.news-modal__close:hover::before,
.news-modal__close:focus-visible::before {
  transform: translate(-50%, -50%) rotate(135deg);
}

.news-modal__close:hover::after,
.news-modal__close:focus-visible::after {
  transform: translate(-50%, -50%) rotate(45deg);
}

@media (prefers-reduced-motion: reduce) {
  .news-modal__close::before,
  .news-modal__close::after {
    transition: none;
  }

  .news-modal__close:hover::before,
  .news-modal__close:focus-visible::before {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .news-modal__close:hover::after,
  .news-modal__close:focus-visible::after {
    transform: translate(-50%, -50%) rotate(-45deg);
  }
}

.news-modal__date {
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--modal-glow) 55%, var(--color-muted));
  margin-bottom: 12px;
}

.news-modal__title {
  font-family: inherit;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: 20px;
  line-height: 1.45;
  color: color-mix(in srgb, var(--color-text-bright) 90%, var(--modal-glow));
}

.news-modal__body {
  font-size: 0.9375rem;
  color: var(--color-text-dim);
}

.news-modal__body p + p {
  margin-top: 1em;
}

/* スマホ：ニュースモーダルを下からのフラットシートに（画面占有を抑える） */
@media (max-width: 767px) {
  .news-modal {
    align-items: flex-end;
    justify-content: stretch;
    padding: 0;
  }

  .news-modal__panel {
    width: 100%;
    max-width: none;
    max-height: min(88vh, 720px);
    max-height: min(88dvh, 720px);
    border-radius: 12px 12px 0 0;
    padding: clamp(16px, 4vw, 22px) 16px max(12px, env(safe-area-inset-bottom, 0px));
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--modal-glow) 35%, var(--color-white) 10%);
    box-shadow: 0 -6px 24px var(--color-alpha-black-40);
    transform: translateY(100%);
    opacity: 0;
  }

  .news-modal.is-open .news-modal__panel {
    transform: translateY(0);
    opacity: 1;
  }

  /* 怪獣モーダル：シートを画面高まで伸ばし、上のすき間・余白を抑える */
  .news-modal--concept .news-modal__panel {
    max-width: none;
    min-height: 100dvh;
    min-height: 100dvh;
    max-height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    padding-top: max(10px, env(safe-area-inset-top, 0px));
    padding-inline: 14px;
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }

  .news-modal--concept .news-modal__close {
    top: max(10px, env(safe-area-inset-top, 0px));
    right: 10px;
  }

  .news-modal--concept .news-modal__title {
    margin-bottom: clamp(8px, 2vw, 12px);
    padding-right: 40px;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .news-modal__panel {
    transition: opacity 0.25s ease;
  }

  .news-modal:not(.is-open) .news-modal__panel {
    transform: none;
    opacity: 0;
  }

  .news-modal.is-open .news-modal__panel {
    transform: none;
    opacity: 1;
  }
}

/* ----- ラジオ・実写化（YouTube） ----- */
.section-radio {
  padding-bottom: clamp(80px, 12vw, 140px);
}

/* 大見出し「ラジオ」＞ 各期タイトル（シリーズ名）の順で視認性を分ける */
.section-radio > .section__title {
  font-size: clamp(1.9rem, 4.6vw, 2.85rem);
  margin-bottom: clamp(1rem, 2.2vw, 1.5rem);
}

/* 第1期ブロック直上：クレジット（小さめ・帯風） */
.section-radio__credits {
  margin: clamp(24px, 4.5vw, 44px) auto clamp(32px, 5.5vw, 56px);
  padding: clamp(12px, 2.2vw, 18px) clamp(16px, 3vw, 28px);
  max-width: min(560px, 100%);
  box-sizing: border-box;
  text-align: center;
  font-size: clamp(0.65rem, 1.35vw, 0.75rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  line-height: 1.85;
  color: var(--color-text-dim);
  border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
  border-radius: 3px;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--color-accent) 9%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 88%, transparent) 48%,
    transparent 100%
  );
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--color-white) 6%, transparent),
    0 8px 28px color-mix(in srgb, var(--color-black) 55%, transparent);
}

.section-radio__credit-name {
  font-weight: 700;
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-text-bright) 88%, var(--color-accent));
  /* 氏名の途中改行（例: 冨士／原圭希）を防ぐ */
  white-space: nowrap;
}

a.section-radio__credit-name {
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

a.section-radio__credit-name:hover,
a.section-radio__credit-name:focus-visible {
  color: var(--color-accent);
}

.section-radio__credit-sep {
  margin: 0 0.45em;
  opacity: 0.4;
  font-weight: 300;
}

.section-radio__credit-role {
  font-weight: inherit;
}

/* PC：役職＋氏名を横並び（各クレジットは同じ並び順） */
.section-radio__credit-line--stack {
  display: inline;
}

@media (max-width: 720px) {
  .section-radio__credits {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1em;
    width: min(100%, 420px);
    margin-inline: auto;
    padding-inline: clamp(14px, 2.8vw, 22px);
    letter-spacing: 0.12em;
    line-height: 1.65;
    text-align: center;
    box-sizing: border-box;
  }

  .section-radio__credit-sep {
    display: none;
  }

  .section-radio__credit-line {
    display: block;
    width: 100%;
  }

  /* 音楽／原作とも「役職 → 氏名」の2段で統一 */
  .section-radio__credit-line--stack .section-radio__credit-role {
    display: block;
    margin-bottom: 0.3em;
    line-height: 1.45;
  }

  .section-radio__credit-line--stack .section-radio__credit-name {
    display: inline-block;
  }
}

/* 業務連絡の直前：社外表彰（表彰プレート風） */
.external-awards {
  max-width: min(680px, 100%);
  margin: 0 auto;
  /* 見出しは .section__title（ラジオ・業務連絡と同サイズ）／ここは受賞文のプレートのみ */
  padding: clamp(22px, 4vw, 34px) clamp(22px, 4vw, 40px);
  text-align: center;
  border: 1px solid color-mix(in srgb, #c9a43a 42%, transparent);
  border-radius: 6px;
  background: linear-gradient(
    175deg,
    color-mix(in srgb, #2a2418 92%, #c9a43a) 0%,
    var(--color-surface) 42%,
    color-mix(in srgb, var(--color-surface) 96%, var(--color-black)) 100%
  );
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-black) 50%, transparent),
    0 16px 48px var(--color-alpha-black-45);
}

.external-awards__body {
  margin: 0;
  font-size: clamp(0.88rem, 2vw, 1.05rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--color-text-bright);
}

.external-awards__highlight {
  display: inline-block;
  margin-left: 0.35em;
  padding: 0.12em 0.55em 0.14em;
  font-size: 0.92em;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--color-bg);
  background: linear-gradient(100deg, #a8842e, #e8c86a 55%, #f0dc9a);
  border-radius: 3px;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-white) 22%, transparent);
}

/* 業務連絡の直後：ハッシュタグ（大きく） */
.section-hashtag {
  text-align: center;
}

.section-hashtag__tag {
  margin: 0;
  font-size: clamp(1.85rem, 5.8vw, 3.15rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--color-white);
  text-shadow:
    0 0 48px color-mix(in srgb, var(--color-accent) 38%, transparent),
    0 0 1px color-mix(in srgb, var(--color-white) 35%, transparent);
}

.radio-period {
  margin-bottom: clamp(56px, 8vw, 88px);
  text-align: center;
}

.radio-period:last-child {
  margin-bottom: 0;
}

.radio-period__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 1.2vw, 12px);
  font-family: inherit;
  margin-top: 0;
  margin-bottom: clamp(18px, 2.2vw, 28px);
  text-align: center;
}

.radio-period__phase {
  font-family: inherit;
  font-size: clamp(0.75rem, 1.85vw, 0.875rem);
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--color-accent);
  line-height: 1.4;
}

.radio-period__title-main {
  position: relative;
  display: block;
  max-width: 100%;
  font-family: inherit;
  font-size: clamp(1.3rem, 3.1vw, 1.85rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.22;
  color: var(--color-white);
  padding-bottom: 0.5em;
  text-shadow: 0 0 48px color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.radio-period__title-main::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(5.5em, 72%);
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-accent) 85%, transparent), transparent);
}

/* 各期ストーリー文（見出し直下の通常ブロック） */
.radio-period__concept-block {
  width: 100%;
  max-width: min(126ch, 100%);
  margin: clamp(2rem, 4vw, 3.5em) auto;
  box-sizing: border-box;
}

.section-radio .radio-period__concept-block {
  --radio-section-bleed: clamp(20px, 5vw, 72px);
}

@media (max-width: 720px) {
  .section-radio .radio-period__concept-block {
    margin-inline: calc(-1 * var(--radio-section-bleed));
    width: calc(100% + 2 * var(--radio-section-bleed));
    max-width: none;
  }

  .section-radio .radio-period__concept-block > .radio-period__concept {
    padding-inline: var(--radio-section-bleed);
    box-sizing: border-box;
  }
}

/* 枠なし・セクション幅いっぱい（不自然な短い折り返しを防ぐ） */
.radio-period__concept {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  font-family: inherit;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 0;
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-align: center;
  text-wrap: pretty;
  line-break: strict;
  word-break: normal;
  overflow-wrap: break-word;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
}

@media (max-width: 720px) {
  .radio-period__concept {
    font-size: 1rem;
  }
}

/* 文の途中で br を使う場合のみ（通常は本文は自動折り返し） */
.radio-period__concept br {
  display: block;
  margin-bottom: 0.5em;
}

.radio-period__cast {
  width: 100%;
  max-width: min(960px, 100%);
  margin: 0 auto clamp(16px, 2.5vw, 24px);
}

/* 第3期：話数リスト直下の相関図 */
.radio-period__soukanzu {
  width: 100%;
  max-width: min(960px, 100%);
  margin: clamp(24px, 4vw, 40px) auto 0;
}

.radio-period__cast picture {
  display: block;
  width: 100%;
}

.radio-period__cast img,
.radio-period__soukanzu img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--color-alpha-white-mid);
  box-sizing: border-box;
}

/* 各期は縦に積む。話数カードだけ横スクロールで大きめに並べる */
.radio-scroll {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: clamp(14px, 2.2vw, 22px);
  width: 100%;
  padding: 10px 4px 24px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: clamp(4px, 1vw, 10px);
  text-align: left;
  scrollbar-color: color-mix(in srgb, var(--color-accent) 45%, transparent) var(--color-alpha-black-20);
}

.radio-card {
  flex: 0 0 auto;
  width: min(280px, 82vw);
  max-width: none;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-alpha-white-mid);
  transition: transform 0.25s var(--ease-out), border-color 0.2s;
  text-decoration: none;
  color: inherit;
}

.radio-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.radio-card__thumb {
  aspect-ratio: 16 / 9;
  background: var(--color-neutral-222);
  overflow: hidden;
}

.radio-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.radio-card__meta {
  padding: 12px 14px 16px;
}

.radio-card__ep {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.radio-card__label {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ----- お問い合わせ ----- */
.contact-form {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.contact-form__field {
  margin-bottom: 22px;
}

.contact-form__field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  color: var(--color-muted);
}

.contact-form__field input,
.contact-form__field select,
.contact-form__field textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 1px solid var(--color-alpha-white-mid);
  border-radius: 8px;
  background: var(--color-alpha-black-35);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.contact-form__field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239a9aa8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.contact-form__field select option {
  color: var(--color-text);
  background: var(--color-surface);
}

.contact-form__field input:focus,
.contact-form__field select:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form__field textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form__submit {
  margin-top: 8px;
  padding: 16px 40px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: 999px;
  transition: filter 0.2s, transform 0.2s;
}

.contact-form__submit:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* ボット向けハニーポット（人間には見えない・読み上げもしない） */
.contact-form__hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ----- 次のセクションへ（矢印のみ） ----- */
.scroll-next {
  position: fixed;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--color-accent);
  transform: translateX(-50%);
  cursor: pointer;
  transition:
    opacity 0.35s var(--ease-out),
    visibility 0.35s,
    color 0.35s var(--ease-out),
    transform 0.35s var(--ease-out);
}

.scroll-next[hidden] {
  display: none;
}

.scroll-next.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(6px);
}

.scroll-next:hover {
  color: var(--color-accent-soft-2);
  transform: translateX(-50%) scale(1.06);
}

.scroll-next:active {
  transform: translateX(-50%) scale(0.96);
}

.scroll-next:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-accent);
}

.scroll-next__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 28px;
  animation: scrollNextFloat 2.1s ease-in-out infinite;
  will-change: transform, filter;
}

.scroll-next__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.scroll-next__arrow {
  opacity: 0.92;
  animation: scrollNextShaft 2.1s ease-in-out infinite;
}

/* 「ー」と「＞」をつないだ太めの一本矢印 */
.scroll-next__svg path {
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes scrollNextFloat {
  0%,
  100% {
    transform: translateY(0);
    filter:
      drop-shadow(0 0 10px color-mix(in srgb, var(--color-accent) 35%, transparent))
      drop-shadow(0 0 24px color-mix(in srgb, var(--color-accent) 20%, transparent));
  }
  45% {
    transform: translateY(10px);
    filter:
      drop-shadow(0 0 16px color-mix(in srgb, var(--color-accent) 65%, transparent))
      drop-shadow(0 0 36px color-mix(in srgb, var(--color-accent) 35%, transparent));
  }
  55% {
    transform: translateY(8px);
    filter:
      drop-shadow(0 0 14px color-mix(in srgb, var(--color-accent) 55%, transparent))
      drop-shadow(0 0 30px color-mix(in srgb, var(--color-accent) 28%, transparent));
  }
}

@keyframes scrollNextShaft {
  0%,
  100% {
    opacity: 0.75;
  }
  45% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-next__icon,
  .scroll-next__arrow {
    animation: none;
  }

  .scroll-next__icon {
    filter: drop-shadow(0 0 12px color-mix(in srgb, var(--color-accent) 45%, transparent));
  }
}

@media (max-width: 767px) {
  .scroll-next__icon {
    width: 36px;
    height: 24px;
  }
}

body.is-menu-open .scroll-next {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ----- 右下 TOP（画像・ホバーでカタカタ・クリックで上空へ飛ぶ） ----- */
.to-top {
  position: fixed;
  right: env(safe-area-inset-right, 0px);
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 948;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  transform: translateZ(0);
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}

.to-top[hidden] {
  display: none;
}

.to-top:focus-visible {
  outline: none;
  border-radius: 12px;
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-accent);
}

.to-top__inner {
  position: relative;
  display: block;
  transform-origin: 50% 60%;
  will-change: transform;
  width: min(112px, 24vw);
  height: min(112px, 24vw);
}

.to-top__img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  transition: opacity 0.34s var(--ease-out), transform 0.34s var(--ease-out), filter 0.34s var(--ease-out);
}

.to-top__img--base {
  opacity: 1;
  transform: scale(1);
}

.to-top__img--fx {
  opacity: 0;
  transform: scale(0.94);
  filter: saturate(1.08);
}

.to-top:hover:not(.is-launching) .to-top__img--base,
.to-top:active:not(.is-launching) .to-top__img--base,
.to-top.is-launching .to-top__img--base {
  opacity: 0;
  transform: scale(0.96);
}

.to-top:hover:not(.is-launching) .to-top__img--fx,
.to-top:active:not(.is-launching) .to-top__img--fx,
.to-top.is-launching .to-top__img--fx {
  opacity: 1;
  transform: scale(1);
}

.to-top:hover:not(.is-launching) .to-top__img--fx,
.to-top:active:not(.is-launching) .to-top__img--fx {
  animation: toTopFxPulse 0.34s ease-in-out infinite alternate;
}

.to-top:hover:not(.is-launching) .to-top__inner {
  animation: toTopRattle 0.28s steps(2, end) infinite;
}

.to-top.is-launching {
  pointer-events: none;
}

.to-top.is-launching .to-top__inner {
  animation: toTopLaunch 0.82s cubic-bezier(0.22, 0.78, 0.3, 1) forwards;
}

@keyframes toTopRattle {
  0%,
  100% {
    transform: translate(0, 0) rotate(-5deg);
  }
  33% {
    transform: translate(2px, -3px) rotate(6deg);
  }
  66% {
    transform: translate(-3px, 2px) rotate(-4deg);
  }
}

@keyframes toTopLaunch {
  0% {
    transform: translateY(0) scale(1) rotate(0deg);
    opacity: 1;
  }
  35% {
    transform: translateY(-18vh) scale(1.05) rotate(-6deg);
    opacity: 1;
  }
  100% {
    transform: translateY(calc(-100vh - 120px)) scale(0.35) rotate(22deg);
    opacity: 0;
  }
}

@keyframes toTopFxPulse {
  0% {
    filter: saturate(1.02) brightness(1);
  }
  100% {
    filter: saturate(1.2) brightness(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .to-top:hover:not(.is-launching) .to-top__inner {
    animation: none;
  }

  .to-top.is-launching .to-top__inner {
    animation: none;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
}

body.is-menu-open .to-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ----- フッター ----- */
.site-footer {
  padding: 48px clamp(20px, 5vw, 72px) 32px;
  border-top: 1px solid var(--color-alpha-white-weak);
  text-align: center;
}

.site-footer__logo {
  margin-bottom: 20px;
}

.site-footer__logo img {
  height: clamp(56px, 7vw, 84px);
  width: auto;
  opacity: 0.85;
}

.site-footer__copy {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 28px;
  margin-bottom: 24px;
}

.site-footer__links a {
  font-size: 0.8125rem;
  color: var(--color-muted);
  transition: color 0.2s;
}

.site-footer__links a:hover {
  color: var(--color-accent);
}