/* ============================================================
   H/MIX GALLERY - Main Stylesheet v7
   Theme: 音楽の風景図鑑 / Quiet Fantasy Music Library
   Palette: Warm Ivory × Forest Green × Soft Gold
   Inspired by: Studio Ghibli, WLOP, quiet RPG, Japanese nature
   ============================================================ */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600&family=Noto+Serif+JP:wght@300;400;500&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* ── Background (Warm Ivory / Washi) ── */
  --color-bg:           #f5f0e8;   /* 和紙・生成り */
  --color-bg-2:         #ede8df;   /* やや濃い生成り */
  --color-bg-3:         #e8e2d8;   /* セクション区切り */
  --color-surface:      #f9f6f0;   /* カード面 */
  --color-surface-2:    #f2ede4;   /* ホバー面 */
  --color-surface-3:    #ebe5da;   /* 深めの面 */

  /* ── Forest Green (Base Color) ── */
  --color-green:        #2d5a3d;   /* 深森の緑 */
  --color-green-mid:    #3d7a52;   /* 中間の緑 */
  --color-green-light:  #5a9e6e;   /* 明るい緑 */
  --color-green-pale:   rgba(45, 90, 61, 0.08);
  --color-green-dim:    #1e3d29;   /* 暗い緑 */
  --color-moss:         #4a6741;   /* 苔色 */

  /* ── Soft Gold (Accent, reduced) ── */
  --color-gold:         #8a7040;   /* 落ち着いたゴールド */
  --color-gold-light:   #a8905a;   /* 明るめゴールド */
  --color-gold-dim:     #6a5530;   /* 暗めゴールド */
  --color-gold-pale:    rgba(138, 112, 64, 0.10);

  /* ── Borders ── */
  --color-border:       rgba(45, 90, 61, 0.15);
  --color-border-hover: rgba(45, 90, 61, 0.35);
  --color-border-gold:  rgba(138, 112, 64, 0.25);

  /* ── Text ── */
  --color-text:         #2a2018;   /* 濃い焦げ茶 */
  --color-text-muted:   #5a5040;   /* ミュート */
  --color-text-dim:     #8a7a68;   /* 薄め */
  --color-text-green:   var(--color-green);

  /* ── Semantic Category Colors ── */
  --color-japanese:     #2d5a3d;
  --color-horror:       #4a2020;
  --color-night:        #1a2a4a;
  --color-battle:       #4a3a1a;
  --color-sad:          #2a3a4a;

  /* ── Typography ── */
  --font-serif-jp:      'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-sans-jp:       'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-display:       'Cinzel', serif;

  /* ── Spacing ── */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* ── Layout ── */
  --max-width:        1200px;
  --header-height:    64px;
  --section-padding:  var(--space-5xl) var(--space-xl);

  /* ── Transitions ── */
  --transition-fast:  0.15s ease;
  --transition-base:  0.3s ease;
  --transition-slow:  0.6s ease;

  /* ── Borders ── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: #000; /* bodyの外側に白が透けるのを防ぐ */
}

body {
  font-family: var(--font-sans-jp);
  background-color: #000;
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

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

/* ===== 蔦・草花 装飾パターン（SVGインライン） ===== */
/* 控えめな植物モチーフをbefore/afterで表現 */
.decor-vine::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cpath d='M10,60 Q30,20 60,40 Q90,60 110,30' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.12'/%3E%3Cpath d='M0,90 Q40,70 60,90 Q80,110 120,80' stroke='%232d5a3d' stroke-width='0.6' fill='none' opacity='0.08'/%3E%3Ccircle cx='45' cy='35' r='3' fill='%232d5a3d' opacity='0.08'/%3E%3Ccircle cx='75' cy='55' r='2' fill='%232d5a3d' opacity='0.06'/%3E%3Ccircle cx='90' cy='25' r='2.5' fill='%232d5a3d' opacity='0.07'/%3E%3C/svg%3E");
  background-size: 120px 120px;
  pointer-events: none;
  z-index: 0;
}

/* ===== UTILITY ===== */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding);
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  justify-content: center;
}

.section-label--left {
  justify-content: flex-start;
}

.section-label-line {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-green));
  opacity: 0.3;
}

.section-label--left .section-label-line {
  background: linear-gradient(90deg, var(--color-green), transparent);
  opacity: 0.3;
  max-width: 60px;
}

.section-label-text {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--color-green);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.8;
}

.section-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.section-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-3xl);
  letter-spacing: 0.03em;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.625rem;
  font-family: var(--font-sans-jp);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 999px;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-green);
  color: #f5f0e8;
  border: 1px solid var(--color-green);
}

.btn--primary:hover {
  background: var(--color-green-mid);
  border-color: var(--color-green-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.20);
}

.btn--ghost {
  background: transparent;
  color: var(--color-green);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-green);
  background: var(--color-green-pale);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-green);
  color: var(--color-green);
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background var(--transition-slow), backdrop-filter var(--transition-slow);
}

/* 通常ページ（ライト）*/
.site-header.scrolled {
  background: rgba(245, 240, 232, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(45, 90, 61, 0.06);
}

/* TOP ページ: Library と統一ダークヘッダー */
body.top-page .site-header {
  background: rgba(11, 21, 16, 0.82);
  border-bottom: 1px solid rgba(80, 160, 110, 0.12);
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
body.top-page .site-header.scrolled {
  background: rgba(10, 18, 14, 0.97);
  border-bottom-color: rgba(80, 160, 110, 0.18);
}
/* TOP ヘッダーのテキスト色 → Library dark に統一 */
body.top-page .logo-text {
  color: #9adfb4;
  text-shadow: 0 0 24px rgba(126, 203, 149, 0.30);
}
body.top-page .logo-sub {
  color: #6e8f76;
}
body.top-page .nav-link {
  color: #b0c8b8;
}
body.top-page .nav-link:hover,
body.top-page .nav-link--active {
  color: #9adfb4;
}
body.top-page .nav-link--cta {
  border-color: rgba(100, 180, 130, 0.30);
  color: #9adfb4;
}
body.top-page .nav-link--cta:hover {
  background: rgba(80, 160, 110, 0.18);
  border-color: #5aaa72;
}
body.top-page .nav-toggle span {
  background: #b0c8b8;
}
body.top-page .nav-lang-toggle {
  border-color: rgba(100, 180, 130, 0.2);
}
body.top-page .nav-lang-toggle:hover {
  border-color: rgba(100, 190, 140, 0.55);
  background: rgba(100, 190, 140, 0.06);
}
body.top-page .lang-opt         { color: #b0c8b8; }
body.top-page .lang-opt--active { color: #9adfb4; font-weight: 700; }
body.top-page .lang-sep         { color: #b0c8b8; }
body.top-page .lang-globe       { stroke: #b0c8b8; }

/* ── TOP page: Site History / Composer / License / Footer
      → Music Library dark tone に統一
      CSS変数スコープ上書きのみ。各コンポーネントルールは変更不要。 ── */
body.top-page .site-history,
body.top-page .composer,
body.top-page .license-info,
body.top-page .site-footer {
  /* ── 背景 (Library dark) ── */
  --color-bg:           #0b1510;
  --color-bg-2:         #0e1a14;
  --color-bg-3:         #111d17;
  --color-surface:      #182618;
  --color-surface-2:    #1e3020;
  --color-surface-3:    #223625;
  /* ── テキスト ── */
  --color-text:         #e8f5ec;
  --color-text-muted:   #b0c8b8;
  --color-text-dim:     #6e8f76;
  /* ── グリーン ── */
  --color-green:        #7ecb95;
  --color-green-mid:    #5aaa72;
  --color-green-light:  #9adfb4;
  --color-green-pale:   rgba(100, 200, 140, 0.12);
  --color-green-dim:    #2d5a3d;
  /* ── ゴールド ── */
  --color-gold:         #c4a445;
  --color-gold-light:   #e2c070;
  --color-gold-pale:    rgba(196, 164, 69, 0.10);
  /* ── ボーダー ── */
  --color-border:       rgba(100, 180, 130, 0.18);
  --color-border-hover: rgba(100, 180, 130, 0.40);
  --color-border-gold:  rgba(196, 164, 69, 0.30);

  background: var(--color-bg);
  color: var(--color-text);
}

/* composer の蔦装飾: ダーク地でも柔らかく */
body.top-page .composer::after {
  opacity: 0.55; /* Library の翡翠グリーンで SVG stroke が見える調整 */
}

/* license-info 背景画像: ダーク地では透過を上げてメリハリを出す */
body.top-page .license-info::before {
  opacity: 0.12;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-green);
  line-height: 1;
}

.logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-green);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--color-green);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link--cta {
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-green);
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background: var(--color-green-pale);
  border-color: var(--color-green);
}

.nav-lang-toggle {
  font-family: 'Cinzel', serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1px solid rgba(45, 90, 61, 0.3);
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: border-color var(--transition-base), background var(--transition-base);
  flex-shrink: 0;
}
.nav-lang-toggle:hover {
  border-color: var(--color-green-mid);
  background: var(--color-green-pale);
}
.lang-globe {
  opacity: 0.5;
  flex-shrink: 0;
}
.lang-opt {
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}
.lang-opt--active {
  color: var(--color-green-mid);
  font-weight: 700;
}
.lang-sep {
  color: var(--color-text-muted);
  opacity: 0.35;
}
/* Dark library / track-detail pages */
body.library-page--dark .nav-lang-toggle {
  border-color: rgba(80, 160, 110, 0.22);
}
body.library-page--dark .nav-lang-toggle:hover {
  border-color: rgba(80, 160, 110, 0.5);
  background: rgba(80, 160, 110, 0.07);
}
body.library-page--dark .lang-opt         { color: rgba(170, 200, 185, 0.55); }
body.library-page--dark .lang-opt--active { color: var(--color-green-light); }
body.library-page--dark .lang-sep         { color: rgba(170, 200, 185, 0.4); }
body.library-page--dark .lang-globe       { opacity: 0.45; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text-muted);
  transition: all var(--transition-base);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 幻想の森・霧の背景（オリジナルバージョン） */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/hero-bg.webp');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  will-change: transform;  /* パララックス用 */
}

/* 幻想オーバーレイ（深みと静けさ） */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(5, 15, 10, 0.55) 0%,
      rgba(8, 20, 12, 0.45) 25%,
      rgba(8, 22, 14, 0.40) 50%,
      rgba(5, 15, 10, 0.82) 100%
    );
  pointer-events: none;
  z-index: 1;
}

/* 光のゆらぎレイヤー（幻想的な光源） */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 40%, rgba(100, 160, 120, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 25% at 30% 30%, rgba(80, 140, 100, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 70% 30% at 50% 100%, rgba(5, 15, 10, 0.50) 0%, transparent 70%);
  pointer-events: none;
  z-index: 2;
  animation: lanternGlow 7s ease-in-out infinite;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(
    to bottom,
    rgba(5, 15, 10, 0.20) 0%,
    rgba(8, 20, 12, 0.15) 30%,
    rgba(8, 20, 12, 0.18) 55%,
    rgba(5, 15, 8, 0.80) 100%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--space-xl);
  max-width: 800px;
  /* テキスト背後に暗いスポットを追加して可読性を向上 */
  background: radial-gradient(
    ellipse 85% 75% at 50% 50%,
    rgba(5, 15, 10, 0.38) 0%,
    rgba(5, 15, 10, 0.18) 60%,
    transparent 100%
  );
  border-radius: 50%;
}

.hero-eyebrow {
  font-family: var(--font-serif-jp);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: rgba(190, 230, 205, 0.90);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.85),
    0 2px 10px rgba(0, 0, 0, 0.65);
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-title-main {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #f0f8f2;
  line-height: 1;
  text-shadow:
    0 2px 4px rgba(0, 0, 0, 0.90),
    0 4px 20px rgba(0, 0, 0, 0.75),
    0 0 60px rgba(80, 160, 100, 0.20),
    0 0 120px rgba(60, 140, 80, 0.10);
}

.hero-title-sub {
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.25em;
  color: rgba(180, 225, 195, 0.90);
  text-transform: uppercase;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.90),
    0 2px 12px rgba(0, 0, 0, 0.70);
}

.hero-copy {
  font-family: var(--font-sans-jp);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: rgba(220, 245, 228, 0.95);
  line-height: 2;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeInUp 1s ease 0.9s forwards;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.90),
    0 2px 12px rgba(0, 0, 0, 0.70);
}

.hero-copy--poetic {
  font-family: var(--font-serif-jp);
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  color: rgba(220, 245, 228, 0.95);
  line-height: 2.2;
  letter-spacing: 0.05em;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.90),
    0 2px 12px rgba(0, 0, 0, 0.70);
}

.hero-copy-en {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(160, 215, 175, 0.85);
  margin-top: var(--space-md);
  text-transform: uppercase;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.90),
    0 2px 10px rgba(0, 0, 0, 0.70);
}

/* ===== HERO SIGNATURE TRACK（静かに聴く） ===== */
.hero-signature-track {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: rgba(10, 25, 15, 0.55);
  border: 1px solid rgba(100, 160, 120, 0.20);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-2xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 1s ease 1.0s forwards;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

/* 波紋エフェクト用 */
.hero-signature-track::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(100, 180, 120, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-track-label {
  font-family: var(--font-serif-jp);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(140, 190, 155, 0.65);
  text-align: center;
}

.hero-track-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.hero-track-icon {
  font-size: 1.5rem;
  opacity: 0.8;
}

.hero-track-title {
  font-family: var(--font-serif-jp);
  font-size: 1.1rem;
  font-weight: 500;
  color: #d8f0e0;
  letter-spacing: 0.05em;
}

.hero-track-title-en {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(120, 180, 140, 0.60);
  text-transform: uppercase;
  margin-top: 2px;
}

.hero-track-player {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* 「静かに聴く」ボタン */
.hero-play-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.4rem;
  background: rgba(80, 140, 100, 0.20);
  color: rgba(200, 235, 210, 0.90);
  border: 1px solid rgba(100, 160, 120, 0.30);
  border-radius: 100px;
  font-family: var(--font-serif-jp);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.hero-play-btn:hover {
  background: rgba(80, 140, 100, 0.35);
  border-color: rgba(100, 160, 120, 0.50);
  box-shadow: 0 0 20px rgba(80, 160, 100, 0.25);
}

.hero-play-btn.playing {
  background: rgba(60, 120, 80, 0.30);
  color: rgba(180, 230, 195, 0.90);
  border-color: rgba(100, 170, 120, 0.40);
}

/* 波紋アニメーション（再生中） */
.hero-play-btn.playing::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 100px;
  border: 1px solid rgba(100, 180, 120, 0.3);
  animation: ripplePulse 2s ease-in-out infinite;
}

.hero-play-label {
  font-weight: 400;
}

.hero-track-link {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(120, 180, 140, 0.55);
  text-decoration: none;
  transition: color var(--transition-base);
  white-space: nowrap;
}

.hero-track-link:hover {
  color: rgba(160, 220, 175, 0.90);
}

/* 音の波紋（視覚的な音の気配） */
.hero-sound-ripple {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 40px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.hero-sound-ripple.active {
  opacity: 1;
}

.hero-sound-ripple svg {
  width: 100%;
  height: 100%;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
  opacity: 0;
  animation: fadeInUp 1s ease 1.1s forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 1s ease 1.3s forwards;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(220, 248, 228, 0.98);
  letter-spacing: 0.05em;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.90),
    0 2px 12px rgba(0, 0, 0, 0.70);
}

.hero-stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(170, 215, 182, 0.85);
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.80);
}

.hero-stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(100, 160, 110, 0.2);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeIn 1s ease 2s forwards;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(100, 160, 110, 0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero-scroll-text {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(160, 200, 165, 0.4);
  text-transform: uppercase;
}

/* ===== TODAY'S MUSIC ===== */
.todays-music {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

/* 蔦の薄い装飾 */
.todays-music::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300' viewBox='0 0 300 300'%3E%3Cpath d='M280,20 Q200,80 220,150 Q240,220 180,270' stroke='%232d5a3d' stroke-width='1.2' fill='none' opacity='0.07'/%3E%3Cpath d='M300,80 Q240,100 250,160 Q260,220 200,260' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.05'/%3E%3Ccircle cx='215' cy='148' r='4' fill='%232d5a3d' opacity='0.06'/%3E%3Ccircle cx='185' cy='268' r='3' fill='%232d5a3d' opacity='0.05'/%3E%3Cpath d='M220,150 Q230,130 245,135' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.06'/%3E%3Cpath d='M220,150 Q210,165 225,175' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.06'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  pointer-events: none;
  opacity: 0.8;
}

.todays-card {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 2px 20px rgba(45, 90, 61, 0.06);
}

/* カードの上部に薄いグリーンのライン */
.todays-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-green-light), transparent);
  opacity: 0.3;
}

.todays-card-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(45, 90, 61, 0.04) 0%, transparent 70%),
    linear-gradient(135deg, rgba(45, 90, 61, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.todays-card-sigil {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(420px, 90%);
  height: min(420px, 90%);
  background-image: url('../images/sigil-emblem.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.todays-card-content {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.todays-track-info {
  text-align: center;
}

.todays-track-category {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-green);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.todays-track-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.todays-track-title-en {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.todays-track-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.todays-player {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.play-btn {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-green);
  color: #f5f0e8;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(45, 90, 61, 0.2);
}

.play-btn:hover {
  background: var(--color-green-mid);
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(45, 90, 61, 0.3);
}

.play-btn.playing {
  background: var(--color-surface-3);
  color: var(--color-green);
  border: 1px solid var(--color-border);
}

.todays-player-info {
  flex: 1;
}

.progress-bar-wrap {
  height: 2px;
  background: var(--color-surface-3);
  border-radius: 2px;
  margin-bottom: var(--space-sm);
  cursor: pointer;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-green);
  width: 0%;
  transition: width 0.1s linear;
  border-radius: 2px;
}

.player-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-variant-numeric: tabular-nums;
}

.todays-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-green);
  transition: gap var(--transition-base);
  padding: var(--space-md);
  border-top: 1px solid var(--color-border);
  margin: 0 calc(-1 * var(--space-2xl));
  margin-bottom: calc(-1 * var(--space-2xl));
}

.todays-link:hover {
  gap: var(--space-md);
  background: var(--color-green-pale);
}

/* ===== SCENE SEARCH ===== */
.scene-search {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

/* 左下に蔦の装飾 */
.scene-search::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 250px; height: 250px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250' viewBox='0 0 250 250'%3E%3Cpath d='M20,250 Q60,180 40,120 Q20,60 80,20' stroke='%232d5a3d' stroke-width='1.2' fill='none' opacity='0.08'/%3E%3Cpath d='M0,200 Q50,160 30,100 Q10,40 60,10' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.05'/%3E%3Ccircle cx='42' cy='118' r='4' fill='%232d5a3d' opacity='0.06'/%3E%3Ccircle cx='78' cy='22' r='3' fill='%232d5a3d' opacity='0.05'/%3E%3Cpath d='M40,120 Q25,108 28,95' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.06'/%3E%3Cpath d='M40,120 Q55,112 58,125' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.06'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  pointer-events: none;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.scene-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  box-shadow: 0 2px 12px rgba(45, 90, 61, 0.06);
}

.scene-card:hover {
  border-color: var(--color-green);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(45, 90, 61, 0.15);
}

.scene-card-bg {
  position: absolute;
  inset: 0;
  transition: transform var(--transition-slow);
}

.scene-card:hover .scene-card-bg {
  transform: scale(1.05);
}

/* シーンカードの背景（明るい幻想的な色調） */
.scene-card--samurai .scene-card-bg {
  background: linear-gradient(
    160deg,
    #2a4a30 0%,
    #1e3825 40%,
    #2a3a1a 100%
  );
}

.scene-card--horror .scene-card-bg {
  background: linear-gradient(
    160deg,
    #2a1a1a 0%,
    #1f1010 40%,
    #2a1a2a 100%
  );
}

.scene-card--night .scene-card-bg {
  background: linear-gradient(
    160deg,
    #1a2035 0%,
    #101528 40%,
    #1a1a35 100%
  );
}

.scene-card--battle .scene-card-bg {
  background: linear-gradient(
    160deg,
    #3a2a10 0%,
    #2a2010 40%,
    #3a1a10 100%
  );
}

.scene-card--sad .scene-card-bg {
  background: linear-gradient(
    160deg,
    #1a2535 0%,
    #141c2a 40%,
    #1a2535 100%
  );
}

/* シーンカードの上部装飾ライン */
.scene-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(100, 160, 110, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.scene-card:hover::before {
  opacity: 1;
}

.scene-card-content {
  position: relative;
  z-index: 2;
  padding: var(--space-lg);
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
}

.scene-card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  filter: grayscale(0.2);
}

.scene-card-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #e8f0e8;
  margin-bottom: 2px;
}

.scene-card-desc {
  font-size: 0.7rem;
  color: rgba(200, 220, 200, 0.6);
  letter-spacing: 0.05em;
}

/* ===== BGM CATEGORIES ===== */
.bgm-categories {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.category-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 1px 8px rgba(45, 90, 61, 0.04);
  position: relative;
  overflow: hidden;
}

/* カードの左端に薄いグリーンのライン */
.category-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-green);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card:hover::before {
  opacity: 0.4;
}

.category-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-surface-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 90, 61, 0.10);
}

.category-card--all {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
}

.category-card--all:hover {
  border-color: var(--color-green);
  background: var(--color-surface-3);
}

.category-card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.category-card-body {
  flex: 1;
  min-width: 0;
}

.category-card-title {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 1px;
  letter-spacing: 0.03em;
}

.category-card-title-en {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}

.category-card-count {
  font-size: 0.75rem;
  color: var(--color-green);
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

.category-card-desc {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  line-height: 1.6;
}

/* ===== MUSIC LIBRARY ===== */
.music-library {
  background: var(--color-bg);
}

.library-search-wrap {
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

.library-search-box {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.75rem var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 1px 8px rgba(45, 90, 61, 0.05);
}

.library-search-box:focus-within {
  border-color: var(--color-green);
  box-shadow: 0 2px 16px rgba(45, 90, 61, 0.12);
}

.search-icon {
  color: var(--color-text-dim);
  flex-shrink: 0;
}

.library-search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans-jp);
  font-size: 0.875rem;
  color: var(--color-text);
  caret-color: var(--color-green);
}

.library-search-input::placeholder {
  color: var(--color-text-dim);
}

.library-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.tag-btn {
  padding: 0.4rem 1rem;
  font-family: var(--font-sans-jp);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition-base);
  cursor: pointer;
}

.tag-btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  background: var(--color-green-pale);
}

.tag-btn--active {
  background: var(--color-green-pale);
  border-color: var(--color-green);
  color: var(--color-green);
}

/* トラックリスト */
.track-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-bottom: var(--space-2xl);
}

.track-item {
  display: grid;
  grid-template-columns: 48px 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.track-item:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
  box-shadow: 0 2px 12px rgba(45, 90, 61, 0.07);
}

.track-item.playing {
  background: var(--color-surface-2);
  border-color: var(--color-green);
  border-left: 3px solid var(--color-green);
}

.track-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.track-item.playing .track-num {
  color: var(--color-green);
}

.track-info {
  min-width: 0;
}

.track-title {
  font-family: var(--font-serif-jp);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.track-item.playing .track-title {
  color: var(--color-green);
}

.track-title-en {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.track-tag {
  padding: 1px 6px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  background: var(--color-surface-3);
  border-radius: 3px;
  border: 1px solid var(--color-border);
}

.track-duration {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.track-play-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  cursor: pointer;
  flex-shrink: 0;
}

.track-play-btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  background: var(--color-green-pale);
}

.track-item.playing .track-play-btn {
  border-color: var(--color-green);
  color: var(--color-green);
  background: var(--color-green-pale);
}

.library-more {
  text-align: center;
}

/* ===== COMPOSER ===== */
.composer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

/* 右上に蔦の装飾 */
.composer::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath d='M200,0 Q140,60 160,120 Q180,180 120,200' stroke='%232d5a3d' stroke-width='1' fill='none' opacity='0.09'/%3E%3Ccircle cx='158' cy='118' r='3.5' fill='%232d5a3d' opacity='0.07'/%3E%3Cpath d='M160,120 Q148,108 150,95' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.07'/%3E%3Cpath d='M160,120 Q172,112 175,125' stroke='%232d5a3d' stroke-width='0.8' fill='none' opacity='0.07'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  pointer-events: none;
}

.composer-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-4xl);
  align-items: center;
}

.composer-text {
  max-width: 560px;
}

.composer-name {
  font-family: var(--font-serif-jp);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.composer-name-en {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-green);
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
}

.composer-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: var(--space-md);
}

.composer-bio-en {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

.composer-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* SNSアイコンボタン */
.composer-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border: 1px solid rgba(154, 223, 180, 0.20);
  border-radius: 2px;
  color: rgba(154, 223, 180, 0.60);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}
.composer-social-btn:hover {
  border-color: rgba(154, 223, 180, 0.50);
  color: rgba(154, 223, 180, 0.95);
  background: rgba(154, 223, 180, 0.06);
}

.composer-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.composer-emblem {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid var(--color-border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--color-surface);
  box-shadow: 0 4px 24px rgba(45, 90, 61, 0.08);
}

.composer-emblem::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.composer-emblem::after {
  content: '';
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(45, 90, 61, 0.05) 0%, transparent 70%);
}

.composer-emblem-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1;
}

.composer-emblem-text {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-green);
}

.composer-emblem-year {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

/* アルバムジャケット（Composer セクション） */
.composer-album {
  display: block;
  text-decoration: none;
  text-align: center;
}
.composer-album__jacket {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(154, 223, 180, 0.10);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.composer-album:hover .composer-album__jacket {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(154, 223, 180, 0.28);
}
.composer-album__label {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

/* ===== LICENSE INFO ===== */
.license-info {
  position: relative;
  background: var(--color-bg);
  overflow: hidden;
}

.license-info::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/bg/terms.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.10;
  pointer-events: none;
}


.license-info .section-container {
  position: relative;
  z-index: 1;
}

.license-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 720px;
  margin: 0 auto;
}

.license-card {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  box-shadow: 0 2px 16px rgba(45, 90, 61, 0.05);
}

.license-card--commercial {
  border-color: var(--color-border-hover);
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(45, 90, 61, 0.03) 100%);
}

.license-card-header {
  text-align: center;
}

.license-card-badge {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.license-card-badge--gold {
  color: var(--color-green);
  border-color: var(--color-border-hover);
}

.license-card-title {
  font-family: var(--font-serif-jp);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.license-card-price {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-green);
  letter-spacing: 0.05em;
}

.license-card-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.license-card-list li {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-left: var(--space-lg);
  position: relative;
}

.license-card-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-green);
  opacity: 0.5;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl) var(--space-2xl);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4xl);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.footer-logo {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-green);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.8;
  max-width: 300px;
}

.footer-nav {
  display: flex;
  gap: var(--space-3xl);
}

.footer-nav-heading {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--color-green);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-nav-list a {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  transition: color var(--transition-base);
}

.footer-nav-list a:hover {
  color: var(--color-green);
}

.footer-bottom {
  text-align: center;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

/* ===== FOOTER v2: site-footer__* ===== */
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10vh var(--space-xl) 6vh;
}

/* ── ブランド導入 ── */
.site-footer__intro {
  margin-bottom: 5vh;
  padding-bottom: 5vh;
  border-bottom: 1px solid var(--color-border);
}

.site-footer__logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-green);
  margin: 0 0 var(--space-sm);
}

.site-footer__tagline {
  font-family: var(--font-serif-jp);
  font-size: 1rem;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.06em;
}

.site-footer__desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.8;
  margin: 0;
}

/* ── Favorites ブロック ── */
.site-footer__favorites {
  margin-bottom: 5vh;
  padding: 24px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.28);
}

.site-footer__fav-heading {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green);
  margin: 0 0 10px;
}

.site-footer__fav-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 0;
}

.site-footer__fav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.footer-fav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.4s ease, border-color 0.4s ease, background 0.4s ease;
  font-family: var(--font-sans-jp);
}

.footer-fav-btn:hover {
  color: var(--color-text);
  border-color: var(--color-green);
  background: var(--color-green-pale);
}

.site-footer__fav-count {
  margin: 14px 0 0;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

/* ── 4カラムナビ ── */
.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3xl);
  margin-bottom: 5vh;
  padding-bottom: 5vh;
  border-bottom: 1px solid var(--color-border);
}

.site-footer__nav-heading {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-green);
  margin: 0 0 var(--space-lg);
}

.site-footer__nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.site-footer__nav-list a {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-footer__nav-list a:hover {
  color: var(--color-green);
}

.site-footer__x-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── 最下部 ── */
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
}

/* ── レスポンシブ ── */
@media (max-width: 900px) {
  .site-footer__nav {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

@media (max-width: 600px) {
  .site-footer__nav {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .site-footer__favorites {
    padding: 18px 20px;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

@keyframes particleFloat {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-100vh) translateX(20px); opacity: 0; }
}

/* 波紋パルス（Hero再生中） */
@keyframes ripplePulse {
  0% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.08); opacity: 0.15; }
  100% { transform: scale(1); opacity: 0.4; }
}

/* 音の波形アニメーション */
@keyframes waveBar {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* 灯籠のゆらぎ（4〜7秒周期） */
@keyframes lanternGlow {
  0%   { opacity: 0.6; }
  30%  { opacity: 1.0; }
  55%  { opacity: 0.7; }
  80%  { opacity: 1.0; }
  100% { opacity: 0.6; }
}

/* パーティクル（蛛/光の粒） */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: rgba(160, 210, 170, 0.6);
  animation: particleFloat linear infinite;
  opacity: 0;
}

/* スクロールアニメーション */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 音の波形ビジュアライザー（Hero用） ===== */
.hero-sound-bars {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 20px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.hero-sound-bars.active {
  opacity: 1;
}

.hero-sound-bar {
  width: 3px;
  background: rgba(160, 210, 170, 0.6);
  border-radius: 2px;
  transform-origin: bottom;
  transform: scaleY(0.4);
}

.hero-sound-bars.active .hero-sound-bar:nth-child(1) { animation: waveBar 0.8s ease-in-out 0.0s infinite; }
.hero-sound-bars.active .hero-sound-bar:nth-child(2) { animation: waveBar 0.8s ease-in-out 0.1s infinite; }
.hero-sound-bars.active .hero-sound-bar:nth-child(3) { animation: waveBar 0.8s ease-in-out 0.2s infinite; }
.hero-sound-bars.active .hero-sound-bar:nth-child(4) { animation: waveBar 0.8s ease-in-out 0.15s infinite; }
.hero-sound-bars.active .hero-sound-bar:nth-child(5) { animation: waveBar 0.8s ease-in-out 0.05s infinite; }

/* ===== HERO TODAY'S MUSIC — 1曲日替わり表示 ===== */
.hero-todays-music {
  margin-bottom: var(--space-2xl);
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 1s ease 1.0s forwards;
}

.hero-todays-label {
  font-family: var(--font-serif-jp);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: rgba(140, 190, 155, 0.85);
  text-align: center;
  margin-bottom: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.70);
}

/* 1曲用カード */
.hero-daily-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  padding: 1.75rem 2rem;
  background: rgba(4, 12, 8, 0.72);
  border: 1px solid rgba(100, 160, 120, 0.25);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.hero-daily-card:hover {
  background: rgba(8, 22, 14, 0.80);
  border-color: rgba(120, 180, 140, 0.38);
}

.hero-daily-card.playing {
  background: rgba(10, 28, 18, 0.82);
  border-color: rgba(100, 190, 130, 0.45);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45), 0 0 18px rgba(80, 180, 110, 0.15);
}

.hero-daily-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.hero-daily-name {
  font-family: var(--font-serif-jp);
  font-size: 1.25rem;
  font-weight: 700;
  color: rgba(232, 252, 240, 0.98);
  letter-spacing: 0.04em;
  white-space: normal;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.75);
}

.hero-daily-card.playing .hero-daily-name {
  color: rgba(165, 235, 185, 1);
}

.hero-daily-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* タグは共通クラスを流用 */
.hero-daily-tags .hero-track-tag {
  font-size: 0.60rem;
}

.hero-daily-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.hero-daily-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hero-daily-play-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(55, 115, 80, 0.60);
  border: 1px solid rgba(120, 195, 148, 0.55);
  color: rgba(215, 248, 225, 0.98);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.55);
}

.hero-daily-play-btn:hover {
  background: rgba(70, 140, 100, 0.75);
  border-color: rgba(140, 210, 165, 0.70);
  transform: scale(1.10);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.55), 0 0 14px rgba(80, 180, 110, 0.20);
}

.hero-daily-card.playing .hero-daily-play-btn {
  background: rgba(50, 120, 80, 0.70);
  border-color: rgba(120, 210, 150, 0.65);
  color: rgba(170, 240, 190, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.55), 0 0 16px rgba(80, 200, 120, 0.25);
}

.hero-daily-detail {
  font-family: var(--font-display);
  font-size: 0.60rem;
  letter-spacing: 0.12em;
  color: rgba(145, 205, 165, 0.72);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.70);
}

.hero-daily-detail:hover {
  color: rgba(180, 238, 198, 0.95);
}

/* ── Today's Music: Fav / Download buttons ── */
.hero-daily-fav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(185, 150, 70, 0.28);
  color: rgba(185, 150, 70, 0.42);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease,
              background 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}

.hero-daily-fav-btn:hover {
  color: rgba(255, 159, 58, 0.85);
  border-color: rgba(255, 140, 40, 0.50);
  background: rgba(255, 140, 40, 0.08);
}

.hero-daily-fav-btn.is-fav {
  color: rgba(255, 159, 58, 0.96);
  border-color: rgba(255, 140, 40, 0.55);
  background: rgba(255, 140, 40, 0.12);
  box-shadow: 0 0 8px rgba(255, 140, 40, 0.28);
}

.hero-daily-dl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(145, 205, 165, 0.25);
  color: rgba(145, 205, 165, 0.48);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  flex-shrink: 0;
  text-decoration: none;
}

.hero-daily-dl-btn:hover {
  color: rgba(180, 238, 198, 0.90);
  border-color: rgba(145, 205, 165, 0.55);
  background: rgba(80, 160, 110, 0.12);
}

/* 旧リストUI（互換性のため残存） */
.hero-track-tag {
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  color: rgba(160, 215, 175, 0.90);
  background: rgba(60, 110, 80, 0.35);
  border: 1px solid rgba(100, 160, 120, 0.30);
  border-radius: 100px;
  padding: 0.1rem 0.4rem;
}

.hero-track-detail-link:hover {
  color: rgba(180, 235, 195, 0.95);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .scene-card:nth-child(4),
  .scene-card:nth-child(5) {
    grid-column: span 1;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .composer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .composer-visual {
    order: -1;
  }

  .composer-emblem {
    width: 160px;
    height: 160px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: var(--space-4xl) var(--space-lg);
  }

  .nav-list {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(8, 16, 12, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--space-2xl);
    gap: var(--space-xl);
    border-bottom: 1px solid rgba(80, 160, 110, 0.18);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  }

  /* メニュー内リンク色をダークテーマに */
  .nav-list .nav-link {
    color: #b0c8b8;
    font-size: 1rem;
    letter-spacing: 0.12em;
  }
  .nav-list .nav-link:hover,
  .nav-list .nav-link--active {
    color: #9adfb4;
  }
  .nav-list .nav-link--cta {
    border-color: rgba(100, 180, 130, 0.35);
    color: #9adfb4;
  }
  .nav-list .nav-link--cta:hover {
    background: rgba(100, 180, 130, 0.12);
    border-color: rgba(100, 180, 130, 0.6);
  }
  .nav-list .nav-lang-toggle {
    border-color: rgba(100, 180, 130, 0.3);
    color: #9adfb4;
    align-self: flex-start;
  }
  .nav-list .nav-lang-toggle:hover {
    border-color: rgba(100, 180, 130, 0.6);
    background: rgba(100, 180, 130, 0.1);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-card:nth-child(5) {
    grid-column: span 2;
    aspect-ratio: 5/2;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .track-item {
    grid-template-columns: 36px 1fr auto;
  }

  .track-tags {
    display: none;
  }

  .license-grid {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: var(--space-2xl);
  }

  .hero-stats {
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .scene-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scene-card:nth-child(5) {
    grid-column: span 2;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .todays-player {
    flex-direction: column;
    align-items: flex-start;
  }

  .play-btn {
    align-self: center;
  }
}


/* ============================================================
   SECTION: SCENE TAGS（軽量導線型）
   ============================================================ */

.scene-tags-wrap {
  margin-bottom: var(--space-2xl);
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.scene-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-family: var(--font-serif-jp);
  font-size: 0.82rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
}

.scene-tag:hover {
  background: var(--color-green-pale);
  border-color: var(--color-border-hover);
  color: var(--color-green);
  transform: translateY(-1px);
}

/* ============================================================
   SECTION: FEATURED SCENES
   ============================================================ */

.featured-scenes {
  padding: var(--section-padding);
  background: var(--color-bg-2);
  position: relative;
}

.featured-scenes::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cpath d='M10 110 Q30 80 20 60 Q10 40 30 20 M40 115 Q55 90 50 70 Q45 50 60 30 M70 118 Q80 95 75 75 Q70 55 85 35' stroke='%232d5a3d' stroke-width='0.6' fill='none' opacity='0.06'/%3E%3C/svg%3E");
  background-size: 120px 120px;
  pointer-events: none;
}

.featured-scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.featured-scene-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  min-height: 180px;
  display: flex;
  align-items: flex-end;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 2px 16px rgba(42, 32, 24, 0.08);
}

.featured-scene-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(42, 32, 24, 0.14);
}

.featured-scene-card-bg {
  position: absolute;
  inset: 0;
  transition: transform var(--transition-slow);
  overflow: hidden;
}

.featured-scene-card:hover .featured-scene-card-bg {
  transform: scale(1.04);
}

/* 背景画像レイヤー */
.featured-scene-card-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(1.5px) brightness(0.72) saturate(0.85);
  transition: transform var(--transition-slow), filter var(--transition-slow);
  transform: scale(1.04); /* blurの縁を防ぎ、少し拡大 */
}

.featured-scene-card:hover .featured-scene-card-img {
  filter: blur(0.5px) brightness(0.62) saturate(0.90);
  transform: scale(1.10);
}

/* 各情景カードのグラデーションオーバーレイ（画像の上に色味を乗せる） */
.featured-scene-card--japanese .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 58, 42, 0.55) 0%, rgba(45, 90, 61, 0.35) 60%, rgba(61, 122, 82, 0.20) 100%);
}
.featured-scene-card--rpg .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 42, 58, 0.55) 0%, rgba(42, 61, 90, 0.35) 60%, rgba(58, 82, 112, 0.20) 100%);
}
.featured-scene-card--sad .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 32, 48, 0.55) 0%, rgba(42, 48, 80, 0.35) 60%, rgba(58, 64, 96, 0.20) 100%);
}
.featured-scene-card--horror .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 10, 26, 0.65) 0%, rgba(42, 10, 42, 0.45) 60%, rgba(58, 20, 48, 0.25) 100%);
}
.featured-scene-card--healing .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 48, 32, 0.50) 0%, rgba(42, 80, 48, 0.30) 60%, rgba(74, 122, 80, 0.15) 100%);
}
.featured-scene-card--fun .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(42, 32, 16, 0.55) 0%, rgba(74, 56, 32, 0.35) 60%, rgba(106, 80, 48, 0.20) 100%);
}

.featured-scene-card-content {
  position: relative;
  z-index: 1;
  padding: var(--space-lg);
  width: 100%;
  background: linear-gradient(to top, rgba(5, 10, 8, 0.85) 0%, rgba(5, 10, 8, 0.40) 50%, transparent 100%);
}

.featured-scene-icon {
  display: block;
  font-size: 1.4rem;
  margin-bottom: var(--space-xs);
  line-height: 1;
}

.featured-scene-title {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  font-weight: 500;
  color: #f5f0e8;
  margin-bottom: 0.2rem;
}

.featured-scene-desc {
  font-size: 0.72rem;
  color: rgba(245, 240, 232, 0.65);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
}

.featured-scene-count {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: rgba(122, 158, 110, 0.8);
  text-transform: uppercase;
}

/* ── 幕間: シアターから扉の前へ ── */
.theater-interlude {
  height: 48px;
  background: linear-gradient(to bottom, #050605, #000);
  pointer-events: none;
}

/* ============================================================
   SECTION ④: LIBRARY GATEWAY — 旅の続き
   ============================================================ */

.library-gateway {
  position: relative;
  overflow: hidden;
  padding: var(--space-5xl) 0;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: linear-gradient(to bottom,
    #000       0%,
    #050a07   50%,
    #0a1410  100%
  );
  text-align: center;
}

/* ── Library Gateway アニメーション ── */
@keyframes lgwGlowDrift {
  0%   { transform: translate(0, 0)   scale(1);    opacity: 1; }
  30%  { transform: translate(6%, 10%) scale(1.12); opacity: 0.85; }
  65%  { transform: translate(-5%, -8%) scale(0.94); opacity: 0.95; }
  100% { transform: translate(0, 0)   scale(1);    opacity: 1; }
}

@keyframes lgwTitleBreathe {
  0%, 100% {
    text-shadow:
      0 0 60px rgba(200, 155, 60, 0.25),
      0 2px 4px rgba(0, 0, 0, 0.8);
  }
  50% {
    text-shadow:
      0 0 100px rgba(210, 165, 60, 0.55),
      0 0 200px rgba(185, 140, 40, 0.18),
      0 2px 4px rgba(0, 0, 0, 0.8);
  }
}

@keyframes lgwStreak {
  0%   { transform: translateX(-120%) skewX(-22deg); opacity: 0; }
  12%  { opacity: 0.22; }
  88%  { opacity: 0.22; }
  100% { transform: translateX(260%) skewX(-22deg); opacity: 0; }
}

/* 奥から差し込む光 — 深森の遠い灯 */
.lgw-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 35% at 50% 65%, rgba(154, 223, 180, 0.06) 0%, transparent 70%);
  animation: lgwGlowDrift 14s ease-in-out infinite;
}

/* 光の流星ライン */
.lgw-streak {
  position: absolute;
  top: 38%;
  left: 0;
  width: 50%;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    rgba(195, 165, 80, 0.45) 50%,
    transparent 100%);
  pointer-events: none;
  z-index: 3;
  animation: lgwStreak 9s ease-in-out 3s infinite;
}

/* 上端の自然な溶け込み（薄く） */
.library-gateway::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 40px;
  background: linear-gradient(to bottom, #000, transparent);
  z-index: 1;
  pointer-events: none;
}
/* .library-gateway::after は不要な白いグラデーションを発生させていたため削除 */

.lgw-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  text-align: center;
}

/* ラベル */
.lgw-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: rgba(185, 155, 80, 0.55);
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
}

/* メインコピー */
.lgw-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  color: rgba(240, 230, 210, 0.95);
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: 1rem;
  white-space: nowrap;
  animation: lgwTitleBreathe 4.5s ease-in-out 0.5s infinite;
  text-shadow:
    0 0 60px rgba(200, 155, 60, 0.25),
    0 2px 4px rgba(0, 0, 0, 0.8);
}

.lgw-title-en {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: rgba(185, 155, 80, 0.45);
  text-transform: uppercase;
  margin-bottom: var(--space-3xl);
}

/* サブコピー */
.lgw-desc {
  font-family: var(--font-serif-jp);
  font-size: 0.96rem;
  line-height: 2;
  color: rgba(195, 185, 165, 0.70);
  margin-bottom: var(--space-4xl);
}

/* 統計 */
.lgw-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-4xl);
}

.lgw-stat {
  text-align: center;
  padding: 0 var(--space-3xl);
}

.lgw-stat-div {
  width: 1px;
  height: 36px;
  background: rgba(185, 155, 80, 0.20);
}

.lgw-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: rgba(205, 170, 80, 0.90);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.lgw-stat-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.52rem;
  letter-spacing: 0.22em;
  color: rgba(180, 165, 135, 0.50);
  text-transform: uppercase;
}

/* CTA ボタン */
.lgw-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.lgw-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.4rem;
  background: linear-gradient(135deg, rgba(185, 148, 50, 0.22), rgba(160, 120, 30, 0.14));
  border: 1px solid rgba(185, 148, 50, 0.40);
  border-radius: 2px;
  color: rgba(220, 195, 120, 0.95);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}
.lgw-btn-primary:hover {
  background: linear-gradient(135deg, rgba(185, 148, 50, 0.36), rgba(160, 120, 30, 0.26));
  border-color: rgba(210, 175, 80, 0.65);
  color: rgba(240, 215, 140, 1);
  box-shadow: 0 0 28px rgba(185, 148, 50, 0.18), 0 4px 20px rgba(0, 0, 0, 0.40);
}

.lgw-btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.8rem;
  background: transparent;
  border: 1px solid rgba(155, 145, 125, 0.22);
  border-radius: 2px;
  color: rgba(165, 155, 135, 0.65);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 0.3s ease, color 0.3s ease;
}
.lgw-btn-ghost:hover {
  border-color: rgba(185, 155, 80, 0.35);
  color: rgba(200, 185, 145, 0.85);
}

/* is-immersive 時: lgw はブライト維持 */
body.is-immersive .library-gateway {
  filter: brightness(1.05) saturate(1.02);
}

/* ============================================================
   RESPONSIVE: Featured Scenes & Library Gateway
   ============================================================ */

@media (max-width: 900px) {
  .featured-scenes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .featured-scenes-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .featured-scene-card {
    min-height: 140px;
  }
  .featured-scene-title {
    font-size: 0.82rem;
  }
  .featured-scene-desc {
    display: none;
  }
  .lgw-title {
    font-size: 1.9rem;
    white-space: normal;
  }
  .lgw-stat {
    padding: 0 var(--space-lg);
  }
  .scene-tags {
    gap: 0.4rem;
  }
  .scene-tag {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
  }
}

/* ===================================================
   HERO FIREFLIES — 蛍のような光のアニメーション
   =================================================== */

.hero__fireflies {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

/* 蛍本体 */
.firefly {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--size, 8px);
  height: var(--size, 8px);
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
  filter: blur(var(--blur, 0px));
  animation:
    fireflyFloat var(--floatDur, 18s) ease-in-out infinite,
    fireflyGlow var(--glowDur, 4.8s) ease-in-out infinite;
}

/* 発光の芯 */
.firefly::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle,
      rgba(255, 243, 181, 0.98) 0%,
      rgba(255, 222, 128, 0.82) 35%,
      rgba(255, 196, 90, 0.38) 62%,
      rgba(255, 196, 90, 0) 100%);
  box-shadow:
    0 0 8px rgba(255, 208, 110, 0.55),
    0 0 18px rgba(255, 208, 110, 0.24);
}

/* うっすら尾を引く感じ */
.firefly::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--size, 8px) * 2.2);
  height: calc(var(--size, 8px) * 1.2);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 218, 120, 0.22) 0%,
    rgba(255, 218, 120, 0.08) 45%,
    rgba(255, 218, 120, 0) 100%
  );
  filter: blur(2px);
}

/* ゆったり漂う */
@keyframes fireflyFloat {
  0% {
    transform: translate3d(var(--x0), var(--y0), 0) scale(var(--scale, 1));
  }
  20% {
    transform: translate3d(var(--x1), var(--y1), 0) scale(var(--scale, 1));
  }
  40% {
    transform: translate3d(var(--x2), var(--y2), 0) scale(var(--scale, 1));
  }
  60% {
    transform: translate3d(var(--x3), var(--y3), 0) scale(var(--scale, 1));
  }
  80% {
    transform: translate3d(var(--x4), var(--y4), 0) scale(var(--scale, 1));
  }
  100% {
    transform: translate3d(var(--x0), var(--y0), 0) scale(var(--scale, 1));
  }
}

/* 明滅（不規則） */
@keyframes fireflyGlow {
  0%, 100% { opacity: 0.12; }
  8%        { opacity: 0.75; }
  16%       { opacity: 0.18; }
  28%       { opacity: 0.95; }
  42%       { opacity: 0.28; }
  57%       { opacity: 0.82; }
  73%       { opacity: 0.16; }
  88%       { opacity: 0.68; }
}

/* モバイルでは少し減らす */
@media (max-width: 768px) {
  .firefly:nth-child(n + 13) {
    display: none;
  }
}

/* 動きを減らしたい環境向け */
@media (prefers-reduced-motion: reduce) {
  .firefly {
    animation: fireflyGlow 6s ease-in-out infinite;
  }
}

/* Hero テキストの可読性向上（各要素に個別設定済み・このルールは削除） */

/* ============================================================
   SITE HISTORY — 時間の回廊
   Scroll-linked horizontal exhibition gallery
   ============================================================ */

/* ── Outer section ── */
.site-history {
  position: relative;
  height: 300vh; /* Reduced from 420vh to compress scroll */
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0%,
    #0a0805 4%,
    #050402 9%,
    #050402 91%,
    #0a0805 96%,
    var(--color-bg) 100%
  );
}

/* ── Sticky panel: the exhibition room ── */
.sh-sticky-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  /* Cinematic background representing the 25 years journey */
  background:
    url('../images/history/bg-journey.png') center / cover no-repeat;
  background-attachment: fixed; /* Parallax effect */
}

/* Dark overlay on background image */
.sh-sticky-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 5, 0.45); /* slightly greenish/dark to fit the fantasy forest */
  z-index: 1;
}

/* Edge vignette: heavy curtain */
.sh-sticky-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 50;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.70) 0%, transparent 22%),
    linear-gradient(to top,    rgba(0, 0, 0, 0.70) 0%, transparent 22%),
    linear-gradient(to right,  rgba(0, 0, 0, 0.62) 0%, transparent 28%),
    linear-gradient(to left,   rgba(0, 0, 0, 0.62) 0%, transparent 28%);
  pointer-events: none;
}

/* ── Centre spotlight ── */
.sh-spotlight {
  position: absolute;
  inset: 0;
  z-index: 3;
  background:
    radial-gradient(
      ellipse 22% 38% at 50% 46%,
      rgba(255, 248, 228, 0.20) 0%,
      rgba(255, 240, 205, 0.10) 32%,
      rgba(255, 232, 185, 0.02) 55%,
      transparent 68%
    ),
    radial-gradient(
      ellipse 22% 14% at 50% 80%,
      rgba(200, 150, 42, 0.08) 0%,
      transparent 70%
    );
  pointer-events: none;
}

/* ── Background Watermark "25 YEARS" ── */
.sh-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 22vw, 24rem);
  font-weight: 700;
  color: rgba(255, 230, 150, 0.04);
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
  letter-spacing: 0.05em;
  user-select: none;
}

/* ── Chapter title: presides over the whole section ── */
.sh-header {
  position: absolute;
  top: 7%;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 60;
  pointer-events: none;
}

.sh-header::before {
  display: none;
}

.sh-header-label {
  display: none;
}

.sh-header-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 4.2rem);
  font-weight: 400;
  color: rgba(255, 246, 222, 1.0);
  letter-spacing: 0.06em;
  margin: 0;
  text-shadow:
    0 0 8px  rgba(255, 225, 155, 0.55),
    0 0 22px rgba(255, 205, 120, 0.38),
    0 0 55px rgba(220, 168, 70, 0.20),
    0 2px 8px rgba(0, 0, 0, 0.85);
}

/* ── Stage: clips the moving track ── */
.sh-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 10;
}

/* ── Track: horizontal flex row ── */
.sh-track {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 260px;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  padding-top: 26vh;
  will-change: transform;
}

/* ── Card: image is the hero ── */
.sh-card {
  flex-shrink: 0;
  width: min(58vw, 860px);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  will-change: transform;
}

/* ── Screenshot: pure image, no frame ── */
.sh-screenshot {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 10px;
  box-shadow:
    0 20px 80px rgba(0, 0, 0, 0.90),
    0 5px 20px  rgba(0, 0, 0, 0.65);
  background-color: #181410;
  /* JS controls filter: brightness() */
  transition: box-shadow 0.55s ease;
}

/* 2001-2003, 2004画像のヘッダーが見えるようにクロップ位置を上に調整 */
.sh-card[data-index="0"] .sh-screenshot,
.sh-card[data-index="1"] .sh-screenshot {
  object-position: top;
}

/* Centred image: breathes, glows */
.sh-card.is-center .sh-screenshot {
  box-shadow:
    0 30px 100px rgba(0, 0, 0, 0.90),
    0 5px 20px   rgba(0, 0, 0, 0.65),
    0 0 50px rgba(255, 190, 80, 0.25),
    0 0 140px rgba(255, 150, 40, 0.15);
  animation: shBreath 4.5s ease-in-out infinite;
  border: 1px solid rgba(255, 210, 120, 0.15);
}

@keyframes shBreath {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}

/* ── Era text: below the image, monumental ── */
.sh-era {
  margin-top: 36px;
  text-align: center;
  opacity: 0;
  /* JS controls opacity + translateY */
}

.sh-era-year {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 600;
  color: rgba(248, 235, 202, 0.96);
  letter-spacing: 0.04em;
  line-height: 1;
  text-shadow:
    0 0 22px rgba(215, 165, 52, 0.65),
    0 0 55px rgba(195, 138, 28, 0.35),
    0 0 100px rgba(175, 115, 18, 0.16),
    0 4px 20px rgba(0, 0, 0, 0.96);
}

.sh-era-label {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.62rem, 1.6vw, 0.92rem);
  font-weight: 400;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(200, 168, 100, 0.65);
  margin-top: 0.6rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.7);
}

/* ── Finale message ── */
.sh-finale {
  position: absolute;
  bottom: 9%;
  left: 0;
  right: 0;
  z-index: 40;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(0.82rem, 2vw, 1.15rem);
  letter-spacing: 0.18em;
  color: rgba(232, 218, 182, 0.72);
  opacity: 0;
  pointer-events: none;
}

/* ── Progress timeline (bars instead of dots) ── */
.sh-dots {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 40;
  align-items: center;
}

.sh-dot {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: rgba(185, 155, 85, 0.20);
  transition: background 0.4s ease, width 0.4s ease, box-shadow 0.4s ease;
}

.sh-dot.is-active {
  background: rgba(220, 185, 105, 0.95);
  width: 48px;
  box-shadow: 0 0 8px rgba(220, 185, 105, 0.6);
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .site-history {
    height: 250vh; /* reduced significantly for better scroll pace */
  }
  .sh-card {
    width: min(88vw, 480px);
  }
  .sh-track {
    gap: 100px;
    padding-top: 20vh;
  }
  .sh-header-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }
  .sh-era-year {
    font-size: clamp(2.4rem, 10vw, 3.5rem);
  }
}

/* ── エピローグ配置（フッター直前）: 少し静かに ── */
.site-history--epilogue {
  /* シアターほど止まらない: 高さを縮小 */
  height: 300vh;
  /* 上: license-info からの接続 / 下: フッターへの余白 */
  margin-bottom: 0;
}

.site-history--epilogue .sh-sticky-panel {
  /* 全体を少し落ち着かせる */
  filter: brightness(0.92);
}

.site-history--epilogue .sh-card {
  /* カードのスケールを控えめに */
  opacity: 0.90;
}

.site-history--epilogue .sh-card.is-center {
  opacity: 1;
}

@media (max-width: 640px) {
  .site-history--epilogue {
    height: 260vh;
  }
}

/* ============================================================
   FEATURED SCENES — DARK VARIANT
   音楽の旅の入口 / 8-scene dark gallery
   ============================================================ */

.featured-scenes--dark {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0%,
    #0c1008 5%,
    #0a0e06 10%,
    #0a0e06 88%,
    #040604 95%,
    #000 100%
  );
  padding-top: calc(var(--section-padding) + 2rem);
  padding-bottom: calc(var(--section-padding) + 2rem);
}

.featured-scenes--dark::before {
  background-image: none;
}

/* ── Section background: cross-fade layers ── */
.fs-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.fs-bg-layer {
  position: absolute;
  inset: -6%;          /* ぼかしの縁を隠す */
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s ease, transform 1.8s ease;
  filter: blur(16px) brightness(0.55) saturate(0.85);
}

.fs-bg-layer.is-active {
  opacity: 1;
  transform: scale(1.05);
}

.fs-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 10, 6, 0.38) 0%,
    rgba(5, 10, 6, 0.55) 100%
  );
}

/* section-container を背景レイヤーの上に */
.featured-scenes--dark .section-container {
  position: relative;
  z-index: 1;
}

/* Section title/desc on dark background */
.section-label--light .section-label-line {
  background: rgba(185, 155, 85, 0.35);
}
.section-label--light .section-label-text {
  color: rgba(185, 155, 85, 0.75);
}
.section-title--light {
  color: rgba(245, 240, 222, 0.95);
}
.section-desc--light {
  color: rgba(200, 190, 170, 0.70);
}

/* 8-column grid (4×2) */
.featured-scenes-grid--8 {
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

/* 情景への扉カード */
.featured-scenes--dark .featured-scene-card {
  min-height: 220px;
  border-radius: 10px;
  background: rgba(18, 34, 24, 0.88);
  box-shadow:
    0 6px 30px rgba(0, 0, 0, 0.70),
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 2px 60px rgba(160, 120, 40, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.40s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.40s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.40s ease;
}

.featured-scenes--dark .featured-scene-card:hover {
  transform: translateY(-10px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.80),
    0 0 0 1px rgba(185, 155, 85, 0.22),
    0 4px 80px rgba(160, 120, 40, 0.22);
  border-color: rgba(185, 155, 85, 0.20);
}

/* 画像の明るさ改善 */
.featured-scenes--dark .featured-scene-card-img {
  filter: brightness(0.75) saturate(0.88);
}
.featured-scenes--dark .featured-scene-card:hover .featured-scene-card-img {
  filter: brightness(0.88) saturate(1.05);
}

/* Content: 中央配置・扉感 */
.featured-scenes--dark .featured-scene-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  text-align: center;
  background: linear-gradient(to top,
    rgba(4, 10, 6, 0.94) 0%,
    rgba(4, 10, 6, 0.50) 50%,
    transparent 100%
  );
  padding: 0 1.2rem 1.1rem;
}

.featured-scenes--dark .featured-scene-title {
  font-family: var(--font-serif-jp);
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(245, 240, 222, 0.97);
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}
.featured-scenes--dark .featured-scene-desc {
  font-size: 0.66rem;
  color: rgba(200, 190, 170, 0.62);
  letter-spacing: 0.03em;
  line-height: 1.5;
}
.featured-scenes--dark .featured-scene-count {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: rgba(155, 195, 135, 0.65);
  margin-top: 0.35rem;
}
/* 絵文字アイコンを非表示 */
.featured-scenes--dark .featured-scene-icon {
  display: none;
}

/* Night card overlay */
.featured-scene-card--night .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(8, 10, 28, 0.60) 0%,
    rgba(16, 18, 46, 0.40) 60%,
    rgba(28, 30, 64, 0.20) 100%
  );
}

/* Travel card overlay */
.featured-scene-card--travel .featured-scene-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(16, 28, 42, 0.58) 0%,
    rgba(26, 42, 58, 0.38) 60%,
    rgba(38, 56, 72, 0.20) 100%
  );
}

/* Responsive: 2 columns on tablet */
@media (max-width: 900px) {
  .featured-scenes-grid--8 {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-scenes--dark .featured-scene-card {
    min-height: 170px;
  }
}

/* Responsive: 2 columns on mobile (same) */
@media (max-width: 480px) {
  .featured-scenes-grid--8 {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .featured-scenes--dark .featured-scene-card {
    min-height: 140px;
  }
  .featured-scenes--dark .featured-scene-title {
    font-size: 0.8rem;
  }
  .featured-scenes--dark .featured-scene-desc {
    display: none;
  }
}

/* ============================================================
   TOP PICKUP — 割れガラス・シアター
   暗闇の中に浮かぶ情景スクリーン / プレイヤー連動
   ============================================================ */

/* ── セクション全体: 純黒 + 縦長シアター ── */
.top-pickup {
  position: relative;
  min-height: 100vh;
  background: #000;
}
.top-pickup.theater-mode {
  min-height: 240vh;
  /* margin → padding: 帯を防ぐ（bodyが透けない） */
  margin: 0;
  padding-top: 16vh;
  padding-bottom: 18vh;
  background: #000;
  /* overflow は visible のまま（sticky に必要） */
}

/* sticky コンテナ: 常に画面中央に居続ける */
.top-pickup__sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
  z-index: 2;
}

/* 上境界（不要になったので削除、featured-scenes が #000 で終わるため） */
.top-pickup::before {
  display: none;
}

/* 下境界: 帰還グラデ */
.top-pickup::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30vh;
  pointer-events: none;
  z-index: 3;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.9) 60%,
    #000 100%
  );
}

/* ── body 全体の暗転 ── */
body {
  transition: filter 2.4s ease, background-color 2.4s ease;
}
body.is-theater-active {
  filter: brightness(0.82);
}

/* シアター内部だけを濃く暗転（局所化） */
.top-pickup__sticky::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
  transition: opacity 3s ease;
}
.top-pickup.is-theater-deep .top-pickup__sticky::before {
  opacity: 1;
}
/* sticky 内の実コンテンツは前面に */
.top-pickup__sticky .theater,
.top-pickup__sticky .pickup-nav,
.top-pickup__sticky .pickup-dots {
  position: relative;
  z-index: 2;
}

/* ── シアター: 縦並びで中央集中 ── */
.theater {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

/* ── 割れガラスのスクリーン ── */
.theater-screen {
  width: min(440px, 76vw);
  height: min(440px, 76vw);
  position: relative;
  clip-path: polygon(22% 0%, 78% 6%, 100% 55%, 68% 100%, 32% 92%, 0% 44%);
  overflow: hidden;
  box-shadow: none;
  cursor: pointer;

  /* 初期: 完全に隠す */
  opacity: 0;
  transform: perspective(900px) rotateX(6deg) scale(0.88);
  filter: blur(10px) brightness(0.6);
  transition: opacity 3.6s ease, transform 4.2s ease, filter 4.2s ease;
}

/* スクロールで出現 */
.top-pickup.is-revealed .theater-screen {
  opacity: 1;
  transform: perspective(900px) rotateX(2deg) scale(1);
  filter: none;
  animation: screen-breathe 7s ease-in-out 1.4s infinite;
}

/* 呼吸アニメ */
@keyframes screen-breathe {
  0%, 100% { transform: perspective(900px) rotateX(2deg) scale(1.000); }
  50%       { transform: perspective(900px) rotateX(2deg) scale(1.018); }
}

/* ── 没入が深まるとスクリーンが前に出る ── */
.top-pickup.is-theater-deep .theater-screen {
  animation: none;
  transform: perspective(900px) rotateX(0deg) scale(1.10) !important;
  filter: brightness(1.04) !important;
  transition: transform 1.8s ease, filter 1.8s ease, opacity 1.8s ease;
}

/* ── 退場前: スクリーンが引いていく ── */
.top-pickup.is-theater-exit .theater-screen {
  animation: none;
  transform: perspective(900px) rotateX(-2deg) scale(0.94) !important;
  opacity: 0.80 !important;
  filter: brightness(0.88) blur(1px) !important;
  transition: transform 1.6s ease, opacity 1.6s ease, filter 1.6s ease;
}

/* テキスト・操作: 没入中は明瞭に、退場前はフェード */
.top-pickup.is-theater-deep .theater-title,
.top-pickup.is-theater-deep .theater-copy {
  opacity: 1;
}
.top-pickup.is-theater-exit .theater-title,
.top-pickup.is-theater-exit .theater-copy,
.top-pickup.is-theater-exit .theater-actions {
  opacity: 0.55;
  transition: opacity 1.2s ease;
}

/* ── ガラス形状パターン（曲ごとに変える） ── */
/* 歪んだ六角形 — デフォルト / 森・静寂 */
.glass-1 {
  clip-path: polygon(22% 0%, 78% 6%, 100% 55%, 68% 100%, 32% 92%, 0% 44%);
}
/* 鋭角の破片 — 夜・緊張 */
.glass-2 {
  clip-path: polygon(10% 12%, 90% 0%, 100% 78%, 60% 100%, 0% 68%);
}
/* 横長の裂け目 — 旅・広がり */
.glass-3 {
  clip-path: polygon(0% 28%, 100% 18%, 92% 78%, 8% 100%);
}
/* 崩れた多角形 — 追憶・悲しみ */
.glass-4 {
  clip-path: polygon(28% 0%, 82% 18%, 100% 68%, 62% 100%, 18% 82%, 0% 38%);
}

/* 画像レイヤー（A/B クロスフェード） */
.theater-screen__layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
  filter: blur(1px) brightness(0.9);
  mix-blend-mode: normal;
}

.theater-screen__layer.is-active {
  opacity: 1;
}

/* 反射レイヤーは消す */
.theater-screen::before {
  display: none !important;
}

/* 漏れ光: ガラスの縁から滲む（is-revealed 後のみ） */
.theater-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: radial-gradient(
    circle at 50% 52%,
    rgba(200, 240, 180, 0.09) 0%,
    rgba(200, 240, 180, 0.04) 30%,
    transparent 68%
  );
  filter: blur(14px);
  opacity: 0;
  transition: opacity 2.4s ease;
}
.top-pickup.is-revealed .theater-screen::after {
  opacity: 1;
}

/* 外縁グロー（clip-path に沿って滲む） */
.top-pickup.is-revealed .theater-screen {
  box-shadow:
    0 0 28px rgba(180, 220, 150, 0.07),
    0 0 70px rgba(180, 220, 150, 0.04);
}

/* ── 蛍コンテナ（ガラス内部） ── */
.window-fireflies {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 2.4s ease;
}
.top-pickup.is-revealed .window-fireflies {
  opacity: 1;
}

/* 蛍粒子（ヒーロー版と同アニメ / 座標はJSでpx指定） */
.window-firefly {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--size, 7px);
  height: var(--size, 7px);
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
  filter: blur(var(--blur, 0.5px));
  animation:
    fireflyFloat var(--floatDur, 18s) ease-in-out infinite,
    fireflyGlow  var(--glowDur,  5s)  ease-in-out infinite;
}
.window-firefly::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle,
    rgba(255, 243, 181, 0.96) 0%,
    rgba(255, 222, 128, 0.78) 35%,
    rgba(255, 196, 90,  0.32) 62%,
    rgba(255, 196, 90,  0)    100%);
  box-shadow:
    0 0 7px  rgba(255, 208, 110, 0.50),
    0 0 16px rgba(255, 208, 110, 0.20);
}

/* 曲ごとの漏れ光色 */
.theater-screen[data-glow="blue"]::after {
  background: radial-gradient(circle at 50% 52%,
    rgba(160, 210, 255, 0.09) 0%,
    rgba(160, 210, 255, 0.04) 30%,
    transparent 68%);
}
.theater-screen[data-glow="amber"]::after {
  background: radial-gradient(circle at 50% 52%,
    rgba(255, 200, 100, 0.09) 0%,
    rgba(255, 200, 100, 0.04) 30%,
    transparent 68%);
}

/* ── 向こう側の空気 ── */

/* 霧: ゆっくり漂う光の靄 */
.window-mist {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(170, 220, 255, 0.07), transparent 60%);
  filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: normal;
  transition: opacity 3.6s ease;
  animation: mist 54s ease-in-out infinite;
}
.top-pickup.is-revealed .window-mist {
  opacity: 0.15;
}
@keyframes mist {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-10px, -5px); }
}

/* 光塵: ふわふわ浮かぶ微粒子 */
.window-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  mix-blend-mode: normal;
  opacity: 0;
  transition: opacity 3.6s ease;
}
.top-pickup.is-revealed .window-atmosphere {
  opacity: 1;
}

.mote {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(170, 220, 255, 0.22);
  filter: blur(1.5px);
  animation: drift 42s ease-in-out infinite;
}
.mote:nth-child(1) { left: 18%; top: 68%; animation-delay:  -6s; animation-duration: 60s; }
.mote:nth-child(2) { left: 32%; top: 54%; animation-delay: -15s; animation-duration: 51s; width: 7px;  height: 7px; }
.mote:nth-child(3) { left: 48%; top: 72%; animation-delay: -21s; animation-duration: 66s; width: 9px;  height: 9px; }
.mote:nth-child(4) { left: 64%; top: 40%; animation-delay:  -9s; animation-duration: 45s; width: 6px;  height: 6px; }
.mote:nth-child(5) { left: 74%; top: 62%; animation-delay: -24s; animation-duration: 57s; }
.mote:nth-child(6) { left: 24%; top: 34%; animation-delay: -12s; animation-duration: 72s; width: 8px;  height: 8px; }
.mote:nth-child(7) { left: 58%; top: 28%; animation-delay: -18s; animation-duration: 48s; width: 7px;  height: 7px; }
.mote:nth-child(8) { left: 82%; top: 48%; animation-delay: -27s; animation-duration: 63s; width: 6px;  height: 6px; }
@keyframes drift {
  0%   { transform: translate(0, 0) scale(0.9);        opacity: 0.08; }
  50%  { transform: translate(-12px, -30px) scale(1.08); opacity: 0.24; }
  100% { transform: translate(0, 0) scale(0.9);        opacity: 0.08; }
}

/* 光: たまに通り過ぎる */
.window-light-sweep {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.08) 50%, transparent 80%);
  pointer-events: none;
  z-index: 4;
  mix-blend-mode: normal;
  opacity: 0;
  transform: translateX(-120%);
  animation: sweep 33s ease-in-out infinite;
}
@keyframes sweep {
  0%, 68%, 100% { transform: translateX(-120%); opacity: 0; }
  82%            { transform: translateX(0%);    opacity: 0.08; }
  96%            { transform: translateX(120%);  opacity: 0; }
}

/* ── テキスト ── */
.pickup-sub {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: rgba(185, 155, 85, 0.82);
  margin: 0 0 10px;
  text-shadow: 0 0 10px rgba(255, 220, 130, 0.18);
}

.theater-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.5rem, 3.8vw, 2.2rem);
  font-weight: 400;
  color: rgba(245, 240, 222, 0.96);
  letter-spacing: 0.10em;
  line-height: 1.3;
  text-align: center;
  margin: 0;
  /* 切り替え時フェード (JS 制御) */
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.theater-copy {
  font-size: 0.82rem;
  color: rgba(210, 200, 182, 0.58);
  letter-spacing: 0.07em;
  line-height: 1.8;
  text-align: center;
  margin: 0;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.theater-title.is-transitioning,
.theater-copy.is-transitioning {
  opacity: 0;
  transform: translateY(6px);
}

/* ── アクションボタン ── */
.theater-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
}

.pickup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(4, 10, 6, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: rgba(245, 240, 222, 0.82);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.28s ease, border-color 0.28s ease,
              transform 0.22s ease, box-shadow 0.28s ease;
}

.pickup-btn:hover {
  background: rgba(18, 38, 26, 0.70);
  border-color: rgba(185, 155, 85, 0.45);
  transform: scale(1.10);
  box-shadow: 0 0 20px rgba(185, 155, 85, 0.18);
}

.pickup-btn--play {
  width: 58px;
  height: 58px;
  border-color: rgba(185, 155, 85, 0.28);
}

.pickup-btn--fav.is-fav {
  border-color: rgba(200, 80, 80, 0.50);
  color: rgba(220, 100, 100, 0.90);
}
.pickup-btn--fav.is-fav .icon-fav-off { display: none; }
.pickup-btn--fav.is-fav .icon-fav-on  { display: block !important; }

/* 旧ナビは非表示（theater-arrow に置き換え） */
.pickup-nav { display: none !important; }

/* ── シアター左右矢印（曲送り） ── */
.theater {
  position: relative;
}

.theater-arrow {
  position: absolute;
  top: 50%;
  z-index: 20;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow:
    0 0 24px rgba(255, 255, 255, 0.08),
    0 0 60px rgba(255, 255, 255, 0.03);
  opacity: 0.70;
  transform: translateY(-50%) scale(0.9);
  transform-origin: center center;
  transition:
    transform 1.2s ease,
    opacity 1.2s ease,
    box-shadow 1.2s ease,
    background 1.2s ease;
}

/* CSS矢印アイコン（文字不使用 → ズレなし） */
.theater-arrow__icon {
  position: relative;
  width: 14px;
  height: 14px;
  display: block;
  flex-shrink: 0;
}
.theater-arrow__icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-top: 2px solid rgba(255, 255, 255, 0.92);
  border-left: 2px solid rgba(255, 255, 255, 0.92);
  transform-origin: center;
}
.theater-arrow--prev .theater-arrow__icon::before {
  transform: rotate(-45deg);
}
.theater-arrow--next .theater-arrow__icon::before {
  transform: rotate(135deg);
}

/* 光円 */
.theater-arrow::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(rgba(255, 255, 255, 0.07), transparent 70%);
  opacity: 0.5;
  z-index: -1;
  pointer-events: none;
}

/* theater に近づいたら浮かぶ */
.theater:hover .theater-arrow {
  opacity: 0.88;
}

/* hover: ふわっと大きく + 発光 */
.theater-arrow:hover {
  animation: none;
  transform: translateY(-50%) scale(1.25);
  opacity: 1;
  background: rgba(255, 255, 255, 0.12);
  box-shadow:
    0 0 30px rgba(255, 255, 255, 0.12),
    0 0 80px rgba(255, 255, 255, 0.05);
}

.theater-arrow--prev {
  left: -190px;
  animation: arrowFloatLeft 4.0s ease-in-out infinite;
}
.theater-arrow--next {
  right: -190px;
  animation: arrowFloatRight 4.4s ease-in-out infinite;
}

@keyframes arrowFloatLeft {
  0%, 100% { transform: translateY(-50%) scale(0.9); }
  50%       { transform: translateY(calc(-50% - 8px)) scale(0.9); }
}
@keyframes arrowFloatRight {
  0%, 100% { transform: translateY(-50%) scale(0.9); }
  50%       { transform: translateY(calc(-50% - 8px)) scale(0.9); }
}

@media (max-width: 1200px) {
  .theater-arrow--prev { left: 16px; }
  .theater-arrow--next { right: 16px; }
}


/* ── ドット ── */
.pickup-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.pickup-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(185, 155, 85, 0.20);
  transition: background 0.35s ease, transform 0.35s ease;
  cursor: pointer;
}

.pickup-dot.is-active {
  background: rgba(185, 155, 85, 0.78);
  transform: scale(1.5);
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .top-pickup.theater-mode {
    min-height: 180vh;
    padding-top: 10vh;
    padding-bottom: 12vh;
  }
  .theater-screen {
    width: min(320px, 82vw);
    height: min(320px, 82vw);
  }
  .pickup-nav {
    width: 34px;
    height: 34px;
  }
  .pickup-btn--play {
    width: 52px;
    height: 52px;
  }
}

/* ============================================================
   IS-IMMERSIVE — ピックアップ侵入時の空気変化
   ============================================================ */

body {
  transition: background 1s ease, filter 1s ease;
}

body.is-immersive {
  background: #020504;
  filter: brightness(0.75) saturate(0.80) contrast(1.10);
}

/* ピックアップ自体は逆に浮かせる */
body.is-immersive .top-pickup {
  filter: brightness(1.05) saturate(1.05);
}

/* タグ側を少し明るく — 差を作る */
.featured-scenes--dark {
  filter: brightness(1.08);
}