/* ============================================================
   AppLibrary — Liquid Glass Top Page
   共通トップページ専用スタイル。個別アプリページでは任意。
   ※ DOM とトークンは tokens.css に依存。色の値はここに重複させない。
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* --- Focus styles (キーボードナビゲーション) --- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent, #0A84FF);
  outline-offset: 2px;
  border-radius: 4px;
}
body {
  font-family: var(--font-stack);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--glass-text);
  min-height: 100vh;
  line-height: 1.5;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ============================================================
   Background — シーニックなグラデーション（ガラスの透過先）
   ============================================================ */
body {
  background:
    radial-gradient(at 15% 10%, #ff6ab1 0%, transparent 42%),
    radial-gradient(at 85% 5%,  #ffb86b 0%, transparent 40%),
    radial-gradient(at 90% 85%, #5ac8fa 0%, transparent 45%),
    radial-gradient(at 10% 95%, #af52de 0%, transparent 45%),
    radial-gradient(at 50% 50%, #7a5cff 0%, transparent 60%),
    linear-gradient(135deg, #2a1b5c 0%, #0a1540 50%, #1a0a3a 100%);
  background-attachment: fixed;
}
[data-theme="light"] body {
  background:
    radial-gradient(at 15% 10%, #ffd4e5 0%, transparent 42%),
    radial-gradient(at 85% 5%,  #ffe8c4 0%, transparent 40%),
    radial-gradient(at 90% 85%, #b4e4ff 0%, transparent 45%),
    radial-gradient(at 10% 95%, #e0c4ff 0%, transparent 45%),
    linear-gradient(135deg, #fef8f5 0%, #f0ecff 50%, #eaf4ff 100%);
  background-attachment: fixed;
  color: #1d1d1f;
}

/* ============================================================
   Glass mixin — backdrop blur + 歪み filter + tint + inset highlight
   ============================================================ */
.glass {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-dim);
  box-shadow: var(--shadow-out), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  overflow: hidden;
}
.glass::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  border-radius: inherit;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  filter: url(#glass-distortion);
  -webkit-filter: url(#glass-distortion);
  pointer-events: none;
}
.glass::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--glass-tint);
  box-shadow: var(--glass-inset);
  pointer-events: none;
}
[data-theme="light"] .glass {
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow:
    0 8px 32px rgba(80, 40, 120, 0.10),
    0 2px 6px rgba(80, 40, 120, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
[data-theme="light"] .glass::after { background: rgba(255, 255, 255, 0.35); }

/* ============================================================
   Nav — 浮遊するピル型グラスナビ
   ============================================================ */
.nav {
  position: sticky;
  top: var(--space-5);
  z-index: 50;
  max-width: 1200px;
  margin: var(--space-5) auto 0;
  padding: 0 var(--space-8);
}
.nav-inner {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  border-radius: var(--radius-full);
}
.nav-brand {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  padding: 0 12px;
  text-shadow: var(--glass-text-shadow);
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  font-size: 14px;
  flex: 1;
}
.nav-links a {
  color: var(--glass-text-dim);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  transition: color 0.2s, background 0.2s;
  text-shadow: var(--glass-text-shadow);
}
.nav-links a:hover {
  color: var(--glass-text);
  background: var(--glass-tint-hover);
}
.nav-tools { display: flex; gap: 6px; align-items: center; }

.icon-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--glass-text);
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  text-shadow: var(--glass-text-shadow);
}
.icon-btn:hover {
  background: var(--glass-tint-hover);
  border-color: var(--glass-border);
  transform: translateY(-1px);
}

/* ハンバーガー（mobile のみ表示） */
.nav-toggle { display: none; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 82px var(--space-8) 42px;
  position: relative;
}
.hero-eyebrow {
  font-size: 13px;
  color: var(--glass-text-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  text-shadow: var(--glass-text-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.hero h1 {
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 700;
  margin: 0 0 24px;
  max-width: 16ch;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}
/* --- Hero h1: line/letter 分割構造（renderHero で生成） --- */
.hero-h1 {
  perspective: 800px; /* letter-rise の rotateX 用（将来用、現状は translateY のみ） */
}
.hero-h1 .hero-line {
  display: block;
}
.hero-h1 .hero-line.accent {
  background: linear-gradient(120deg, #ffd4b4 0%, #ff8fd0 50%, #9cc7ff 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
[data-theme="light"] .hero-h1 .hero-line.accent {
  background: linear-gradient(120deg, #e85b8a 0%, #af52de 50%, #0a84ff 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-h1 .hero-letter {
  display: inline-block;
  white-space: pre; /*   を確実に幅として出す */
}
/* accent gradient はテキストを持つ .hero-letter 側にも適用しないと
   background-clip:text のクリップ対象が無く透明文字になる */
.hero-h1 .hero-line.accent .hero-letter {
  background: linear-gradient(120deg, #ffd4b4 0%, #ff8fd0 50%, #9cc7ff 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
[data-theme="light"] .hero-h1 .hero-line.accent .hero-letter {
  background: linear-gradient(120deg, #e85b8a 0%, #af52de 50%, #0a84ff 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* --- Hero opening animation: keyframes --- */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
@keyframes hero-letter-rise {
  from { opacity: 0; transform: translateY(0.5em); }
  to   { opacity: 1; transform: none; }
}
@keyframes hero-grad-flow {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}
@keyframes hero-cta-glow {
  0%   { box-shadow: 0 6px 24px rgba(0, 122, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
  50%  { box-shadow: 0 10px 40px rgba(0, 122, 255, 0.55), 0 0 60px rgba(90, 200, 250, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.6); }
  100% { box-shadow: 0 6px 24px rgba(0, 122, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
}

/* --- Hero opening animation: play モード（初回訪問時のみ） --- */
[data-hero-opening="play"] .hero .reveal {
  /* 既存 .reveal の transition を打ち消す（keyframe アニメーションに任せる）。
     opacity/transform は keyframe 側 fill-mode:both が both 端を抑えるので CSS 静的値は
     上書きしない（!important で固定すると keyframe の opacity:0→1 が打ち消される）。 */
  transition: none !important;
}
[data-hero-opening="play"] .hero .hero-eyebrow {
  animation: hero-fade-up var(--hero-anim-duration) var(--hero-anim-easing) 50ms both;
}
[data-hero-opening="play"] .hero .hero-h1 {
  /* h1 自体は静止、letter が立ち上がる */
  opacity: 1;
}
[data-hero-opening="play"] .hero-h1 .hero-letter {
  opacity: 0;
  transform: translateY(0.5em);
  animation: hero-letter-rise var(--hero-letter-duration) var(--hero-letter-easing)
             calc(var(--hero-letter-base) + var(--i, 0) * var(--hero-letter-stagger)) both;
}
[data-hero-opening="play"] .hero-h1 .hero-line.accent .hero-letter {
  /* letter-rise に加えて grad-flow も走らせる（gradient は letter 側にあるため） */
  animation:
    hero-letter-rise var(--hero-letter-duration) var(--hero-letter-easing)
      calc(var(--hero-letter-base) + var(--i, 0) * var(--hero-letter-stagger)) both,
    hero-grad-flow 1.4s var(--hero-anim-easing) 200ms both;
}
[data-hero-opening="play"] .hero .hero-bio {
  animation: hero-fade-up var(--hero-anim-duration) var(--hero-anim-easing) 450ms both;
}
[data-hero-opening="play"] .hero .hero-meta {
  animation: hero-fade-up var(--hero-anim-duration) var(--hero-anim-easing) 550ms both;
}
[data-hero-opening="play"] .hero .hero-cta-wrap {
  animation: hero-fade-up var(--hero-anim-duration) var(--hero-anim-easing) 650ms both;
}
[data-hero-opening="play"] .hero .cta-btn {
  animation: hero-cta-glow 0.6s var(--hero-anim-easing) 1100ms both;
}
.hero-bio {
  font-size: 19px;
  color: var(--glass-text-dim);
  max-width: 56ch;
  margin: 0 0 32px;
  line-height: 1.55;
  text-shadow: var(--glass-text-shadow);
}
.hero-meta {
  display: flex;
  gap: 10px;
  font-size: 13px;
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  color: var(--glass-text-dim);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-shadow: var(--glass-text-shadow);
}

/* Hero primary CTA */
.hero-cta-wrap {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.85), rgba(90, 200, 250, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    0 6px 24px rgba(0, 122, 255, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 32px rgba(0, 122, 255, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.cta-btn:hover svg { transform: translateY(2px); }
.cta-btn svg { transition: transform 0.2s; }

.hero-note-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 9px 14px;
  border-radius: var(--radius-full);
  color: var(--glass-text-dim);
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  font-size: 13px;
  line-height: 1.35;
  text-shadow: var(--glass-text-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.2s;
}
.hero-note-link:hover {
  color: var(--glass-text);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border);
  transform: translateY(-1px);
}
.hero-note-date {
  flex-shrink: 0;
  color: var(--glass-text-faint);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ============================================================
   Section
   ============================================================ */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px var(--space-8);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.section-sub {
  color: var(--glass-text-dim);
  font-size: 15px;
  margin-top: 6px;
  text-shadow: var(--glass-text-shadow);
}

/* ============================================================
   Search + chips
   ============================================================ */
.controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.search {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 380px;
}
.search input {
  width: 100%;
  background: var(--glass-tint-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-dim);
  border-radius: var(--radius-full);
  padding: 11px 16px 11px 40px;
  font-size: 14px;
  color: var(--glass-text);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  text-shadow: var(--glass-text-shadow);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.search input::placeholder { color: var(--glass-text-faint); }
.search input:focus {
  border-color: rgba(255, 255, 255, 0.7);
  background: var(--glass-tint-hover);
}
.search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--glass-text-faint);
  pointer-events: none;
}

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--glass-text-dim);
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  transition: all 0.2s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-shadow: var(--glass-text-shadow);
  font-weight: 500;
}
.chip:hover {
  color: var(--glass-text);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border);
}
.chip.active {
  color: var(--glass-text);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border-bright);
  box-shadow: var(--glass-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-state {
  color: var(--glass-text-faint);
  font-size: 12px;
  text-shadow: var(--glass-text-shadow);
}
.clear-filters {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  color: var(--glass-text);
  background: var(--glass-tint-md);
  border: 1px solid var(--glass-border-dim);
  font-size: 13px;
  font-weight: 500;
  text-shadow: var(--glass-text-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.clear-filters:hover {
  background: var(--glass-tint-hover);
  border-color: var(--glass-border-bright);
  transform: translateY(-1px);
}

/* ============================================================
   Mosaic / App Card
   ============================================================ */
.mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
[data-layout="grid"] .mosaic { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
[data-layout="list"] .mosaic { grid-template-columns: 1fr; }

.app-card {
  grid-column: span 4;
  padding: var(--card-pad);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s;
  text-align: left;
  width: 100%;
  position: relative;
}

/* カード右上の直行リンク（hover/focus 時のみ表示） */
.app-card-direct {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--glass-tint-md);
  border: 1px solid var(--glass-border-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--glass-text);
  opacity: 0;
  transform: translate(6px, -6px) scale(0.9);
  transition: opacity 0.25s, transform 0.25s, background 0.2s;
  z-index: 2;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.app-card:hover .app-card-direct,
.app-card:focus-within .app-card-direct,
.app-card-direct:focus-visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}
.app-card-direct:hover {
  background: var(--glass-tint-hover);
  border-color: var(--glass-border-bright);
  transform: translate(0, 0) scale(1.05);
}
.app-card-direct svg { width: 14px; height: 14px; }
.app-card.featured {
  grid-column: span 6;
  min-height: 440px;
}
.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-out-lg), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  border-color: var(--glass-border);
}
.app-card:hover .app-icon { transform: scale(1.08) rotate(-3deg); }
.app-card:hover .app-icon::before { opacity: 1; transform: scale(1); }
.app-card:hover .bg-shape { transform: scale(1.4) translate(-10px, -10px); }

[data-layout="grid"] .app-card,
[data-layout="grid"] .app-card.featured { grid-column: auto; min-height: 300px; }
[data-layout="list"] .app-card,
[data-layout="list"] .app-card.featured {
  grid-column: auto; min-height: auto;
  flex-direction: row; gap: 24px; align-items: center;
}
[data-layout="list"] .app-icon {
  width: 72px; height: 72px;
  font-size: 36px;
  margin-bottom: 0;
  flex-shrink: 0;
  border-radius: 18px;
}
[data-layout="list"] .app-body { flex: 1; }

@media (max-width: 900px) {
  .app-card, .app-card.featured { grid-column: span 12; }
}

.app-icon {
  width: 88px; height: 88px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--card-color, rgba(255, 255, 255, 0.4)), var(--card-accent, rgba(255, 255, 255, 0.2)));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  font-weight: 500;
  margin-bottom: 20px;
  position: relative;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    inset 0 -3px 8px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}
.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.app-icon::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 28px;
  background: var(--card-accent, #fff);
  opacity: 0;
  z-index: -1;
  filter: blur(24px);
  transform: scale(0.8);
  transition: opacity 0.4s, transform 0.4s;
}
.app-card.featured .app-icon {
  width: 120px; height: 120px;
  font-size: 60px;
  border-radius: 28px;
}

.app-category {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--glass-text-dim);
  margin-bottom: 8px;
  display: flex;
  gap: 8px;
  align-items: center;
  text-shadow: var(--glass-text-shadow);
}
.app-category::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--card-accent, var(--glass-text-dim));
  box-shadow: 0 0 6px var(--card-accent);
}
.app-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.app-card.featured .app-name { font-size: 32px; }
.app-tagline {
  color: var(--glass-text-dim);
  font-size: 15px;
  margin: 0 0 auto;
  line-height: 1.45;
  text-shadow: var(--glass-text-shadow);
}
.app-card.featured .app-tagline { font-size: 18px; }

.app-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--glass-text-dim);
  text-shadow: var(--glass-text-shadow);
}
.app-rating { display: inline-flex; gap: 4px; align-items: center; }
.star { color: #ffcc00; filter: drop-shadow(0 0 4px rgba(255, 204, 0, 0.5)); }

.app-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  background: var(--glass-tint-md);
  border: 1px solid var(--glass-border-dim);
  color: var(--glass-text);
}
.app-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--card-accent, currentColor);
  box-shadow: 0 0 6px var(--card-accent);
}

.bg-shape {
  position: absolute;
  right: -40px; bottom: -40px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: var(--card-accent, #fff);
  opacity: 0.18;
  pointer-events: none;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  filter: blur(20px);
  z-index: 0;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Posts
   ============================================================ */
.posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.post {
  padding: 24px;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.post:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-out-lg), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.post-date {
  font-size: 12px;
  color: var(--glass-text-faint);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
  text-shadow: var(--glass-text-shadow);
}
.post-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  text-shadow: var(--glass-text-shadow);
}
.post-excerpt {
  font-size: 14px;
  color: var(--glass-text-dim);
  margin: 0;
  text-shadow: var(--glass-text-shadow);
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  padding: 72px 48px;
  text-align: center;
  border-radius: var(--radius-lg);
}
.contact h2 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.contact p {
  color: var(--glass-text-dim);
  font-size: 17px;
  max-width: 48ch;
  margin: 0 auto 32px;
  text-shadow: var(--glass-text-shadow);
}
.socials {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.social-link {
  padding: 13px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  background: var(--glass-tint-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-dim);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), var(--shadow-out-sm);
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  text-shadow: var(--glass-text-shadow);
}
.social-link:hover {
  transform: translateY(-2px);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border-bright);
  box-shadow: var(--glass-glow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.social-handle { color: var(--glass-text-dim); font-weight: 400; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px var(--space-8) 40px;
  color: var(--glass-text-faint);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  text-shadow: var(--glass-text-shadow);
}
.footer a:hover { color: var(--glass-text); }

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: var(--shadow-out-lg);
  position: relative;
  border-radius: var(--radius-lg);
  color: var(--glass-text);
}
.modal-backdrop.open .modal { transform: none; }
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--glass-text);
  font-size: 22px;
  transition: background 0.2s;
  z-index: 2;
}
.modal-close:hover { background: var(--glass-tint-hover); }

.modal-header {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-bottom: 24px;
}
.modal-header .app-icon {
  margin: 0;
  width: 84px; height: 84px;
  font-size: 42px;
}
.modal-meta h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.modal-meta .app-category { margin-top: 6px; margin-bottom: 4px; }
.modal-tagline {
  color: var(--glass-text-dim);
  margin: 4px 0 0;
  text-shadow: var(--glass-text-shadow);
}

.modal-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--glass-border-dim);
  border-bottom: 1px solid var(--glass-border-dim);
  margin-bottom: 24px;
}
.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--glass-text-faint);
  margin-bottom: 4px;
  text-shadow: var(--glass-text-shadow);
}
.stat-value {
  font-size: 15px;
  font-weight: 600;
  text-shadow: var(--glass-text-shadow);
}

.modal-description {
  line-height: 1.65;
  margin-bottom: 24px;
  text-shadow: var(--glass-text-shadow);
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.feature-tag {
  padding: 7px 14px;
  background: var(--glass-tint);
  border: 1px solid var(--glass-border-dim);
  border-radius: 10px;
  font-size: 13px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-shadow: var(--glass-text-shadow);
}

.modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* App-Store-badge style download button */
.badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 12px;
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  text-decoration: none;
  min-height: 52px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-shadow: none;
}
.badge-btn:hover {
  transform: translateY(-2px);
  background: #1a1a1a;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.badge-btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.badge-btn-stack {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
  text-align: left;
}
.badge-btn-small {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  opacity: 0.85;
  margin-bottom: 3px;
}
.badge-btn-large {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Clearer labeled visit button — pairs with badge-btn */
.visit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px;
  height: 52px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--glass-text);
  background: var(--glass-tint-md);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid var(--glass-border);
  box-shadow: var(--glass-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transition: transform 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
  text-shadow: var(--glass-text-shadow);
  text-decoration: none;
}
.visit-btn:hover {
  transform: translateY(-2px);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border-bright);
  box-shadow: var(--glass-glow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}
.visit-btn:hover svg { transform: translate(2px, -2px); }
.visit-btn svg { transition: transform 0.2s; opacity: 0.85; }

/* ============================================================
   Tweaks Panel
   ============================================================ */
.tweaks-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 320px;
  padding: 22px;
  box-shadow: var(--shadow-out-lg);
  z-index: 200;
  display: none;
  font-size: 13px;
  border-radius: 22px;
  color: var(--glass-text);
}
.tweaks-panel.visible { display: block; }
.tweaks-panel h3 {
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: var(--glass-text-shadow);
}
.tweaks-panel h3::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.tweak-row { margin-bottom: 16px; }
.tweak-row label {
  display: block;
  color: var(--glass-text-dim);
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-shadow: var(--glass-text-shadow);
}
.tweak-options { display: flex; gap: 6px; flex-wrap: wrap; }
.tweak-opt {
  padding: 6px 12px;
  font-size: 12px;
  border: 1px solid var(--glass-border-dim);
  border-radius: 10px;
  color: var(--glass-text-dim);
  background: var(--glass-tint);
  transition: all 0.15s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-shadow: var(--glass-text-shadow);
}
.tweak-opt:hover {
  color: var(--glass-text);
  background: var(--glass-tint-hover);
  border-color: var(--glass-border);
}
.tweak-opt.active {
  background: var(--glass-tint-hover);
  color: var(--glass-text);
  border-color: var(--glass-border-bright);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.color-swatches { display: flex; gap: 10px; }
.color-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--glass-border-dim);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active {
  border-color: var(--glass-border-bright);
  transform: scale(1.15);
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* ============================================================
   Empty state
   ============================================================ */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--glass-text-dim);
  grid-column: 1 / -1;
  text-shadow: var(--glass-text-shadow);
}
.empty-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--glass-text);
  margin-bottom: 6px;
}
.empty-clear { margin-top: 16px; }

/* ============================================================
   Scrollbar
   ============================================================ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--glass-border-dim);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--glass-border);
  background-clip: content-box;
  border: 2px solid transparent;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
  .nav { padding: 0 var(--space-5); }
  .nav-toggle { display: inline-flex; }
  .nav-inner { flex-wrap: wrap; }
  .nav-links {
    order: 99;
    flex-basis: 100%;
    flex-direction: column;
    gap: 4px;
    margin: 12px 0 4px;
    padding-top: 12px;
    border-top: 1px solid var(--glass-border-dim);
    display: none;
  }
  .nav-links a {
    padding: 10px 14px;
    font-size: 15px;
  }
  .nav.is-open .nav-inner { border-radius: var(--radius-lg); }
  .nav.is-open .nav-links { display: flex; }

  .hero { padding: 58px var(--space-5) 36px; }
  .hero-eyebrow {
    max-width: 100%;
    font-size: 11px;
    letter-spacing: 0.1em;
    overflow-wrap: anywhere;
  }
  .hero h1 {
    max-width: 100%;
    font-size: clamp(34px, 10vw, 42px);
    line-height: 1.06;
    margin-bottom: 20px;
  }
  .hero-bio {
    max-width: 100%;
    font-size: 16px;
    margin-bottom: 24px;
  }
  .hero-meta {
    gap: 8px;
    max-width: 100%;
  }
  .hero-meta span {
    max-width: 100%;
    min-width: 0;
    padding: 5px 11px;
    font-size: 12px;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .hero-cta-wrap {
    align-items: flex-start;
    gap: 10px;
    margin-top: 24px;
  }
  .cta-btn {
    padding: 12px 22px;
    font-size: 15px;
  }
  .hero-note-link {
    align-items: flex-start;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .section { padding: 42px var(--space-5); }
  .section-head { margin-bottom: 22px; }
  .controls {
    align-items: stretch;
    gap: 10px;
  }
  .search {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
    max-width: none;
  }
  .chips { gap: 7px; }
  .filter-actions {
    width: 100%;
    justify-content: space-between;
  }
  .mosaic { gap: 16px; }
  .app-card {
    min-height: 250px;
  }
  .app-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    margin-bottom: 16px;
  }
  .footer { padding: 40px var(--space-5); }
  .modal { padding: 28px 22px; }
  .modal-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .modal-stats { grid-template-columns: repeat(2, 1fr); }
  .contact { padding: 56px 24px; }
  .contact h2 { font-size: 32px; }
  .tweaks-panel { right: 16px; bottom: 16px; width: calc(100vw - 32px); max-width: 320px; }
}

/* ============================================================
   Reduced motion — アニメーション軽減 / 重い視覚効果フォールバック
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .glass::before {
    filter: none;
    -webkit-filter: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  .app-card:hover { transform: none; }
  .app-card:hover .bg-shape { transform: none; }
  .app-card:hover .app-icon { transform: none; }
  .cta-btn:hover { transform: none; }
  .visit-btn:hover { transform: none; }
  .badge-btn:hover { transform: none; }
  .icon-btn:hover { transform: none; }
  /* hero opening を CSS 側でも無効化（FOUC スクリプトが先に off にしているはずだが二重防御） */
  [data-hero-opening="play"] .hero-h1 .hero-letter,
  [data-hero-opening="play"] .hero-h1 .hero-line.accent,
  [data-hero-opening="play"] .hero .hero-eyebrow,
  [data-hero-opening="play"] .hero .hero-bio,
  [data-hero-opening="play"] .hero .hero-meta,
  [data-hero-opening="play"] .hero .hero-cta-wrap,
  [data-hero-opening="play"] .hero .cta-btn {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}