/* ================================================================
   氷河期世代おじさんの逆襲 — グローバルスタイルシート
   コンセプト: 南極・氷河期の凍土から、データという光で道を割る。
   カラー: 深宇宙ネイビー × 氷結ブルー × プラチナフロスト
   ================================================================ */

:root {
  --bg-void:        #04070d;
  --bg-deep:        #060b16;
  --surface:        #0b1422;
  --surface-2:      #101c30;
  --surface-3:      #14213a;
  --border:         #1d2d47;
  --border-soft:    rgba(120, 170, 220, 0.14);

  --ice-100:        #eaf5ff;
  --ice-200:        #cfe9ff;
  --ice-300:        #a4d4f7;
  --ice-400:        #6fbdec;
  --ice-500:        #3fa0de;
  --ice-600:        #2680c2;
  --ice-glow:        #7fe3ff;

  --aurora-teal:    #46e0c4;
  --aurora-violet:  #8f8ff0;
  --frost-danger:   #ef6a63;
  --frost-gold:     #d8c48a;

  --text-hi:        #f2f8ff;
  --text:           #c7d6e6;
  --text-muted:     #7c93ab;
  --text-faint:     #4d6178;

  --font-display:   'Zen Old Mincho', 'Noto Serif JP', serif;
  --font-sans:      'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-mono:      'JetBrains Mono', 'Consolas', monospace;

  --max-w:          1160px;
  --radius:         3px;
  --radius-lg:      14px;
  --ease:           cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg-void);
  background-image:
    radial-gradient(ellipse 900px 500px at 12% -10%, rgba(63, 160, 222, 0.16), transparent 60%),
    radial-gradient(ellipse 700px 600px at 100% 10%, rgba(143, 143, 240, 0.08), transparent 55%);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ice-300); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--ice-glow); }
::selection { background: rgba(127, 227, 255, 0.25); color: var(--text-hi); }

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--text-hi); font-weight: 700; letter-spacing: 0.01em; }

/* 細い雪片ノイズオーバーレイ */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 2000;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ================================================================
   進捗バー
   ================================================================ */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--ice-500), var(--ice-glow), var(--aurora-violet));
  z-index: 3000; transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(127, 227, 255, 0.6);
}

/* ================================================================
   ヘッダー
   ================================================================ */
.site-header {
  background: rgba(6, 11, 22, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
  padding: 0 28px;
  position: sticky; top: 0; z-index: 1000;
}
.header-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.site-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark {
  width: 38px; height: 38px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(155deg, var(--surface-3), var(--bg-deep));
  border: 1px solid var(--border-soft); border-radius: 50%;
  position: relative;
}
.logo-mark::before {
  content: '';
  width: 14px; height: 14px;
  background: linear-gradient(160deg, var(--ice-glow), var(--ice-500));
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-name { font-family: var(--font-display); font-size: 1.12rem; font-weight: 700; color: var(--text-hi); letter-spacing: 0.02em; }
.logo-en { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--ice-400); text-transform: uppercase; }
.header-tagline { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.04em; display: none; }
@media (min-width: 820px) { .header-tagline { display: block; } }

/* ================================================================
   ヒーロー
   ================================================================ */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 28px 80px;
  border-bottom: 1px solid var(--border-soft);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 1000px 520px at 50% -20%, rgba(63,160,222,0.22), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-void) 100%);
}
.hero-shards { position: absolute; inset: 0; z-index: 0; opacity: 0.5; pointer-events: none; }
.shard { position: absolute; background: linear-gradient(160deg, rgba(127,227,255,0.10), rgba(127,227,255,0.01)); border: 1px solid rgba(127,227,255,0.08); }
.shard.s1 { width: 320px; height: 320px; top: -120px; right: -60px; clip-path: polygon(30% 0%, 100% 20%, 80% 100%, 0% 70%); }
.shard.s2 { width: 220px; height: 220px; bottom: -80px; left: -40px; clip-path: polygon(20% 0%, 100% 30%, 70% 100%, 0% 60%); }
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(127,227,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(127,227,255,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 900px 500px at 50% 0%, black, transparent 75%);
}
.hero-inner { position: relative; z-index: 1; max-width: var(--max-w); margin: 0 auto; }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ice-400); border: 1px solid var(--border-soft); border-radius: 100px;
  padding: 6px 16px; margin-bottom: 28px;
}
.hero-label::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--aurora-teal); box-shadow: 0 0 8px var(--aurora-teal); }
.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.4; font-weight: 700;
  color: var(--text-hi); max-width: 780px; margin-bottom: 26px;
}
.hero-title .accent {
  background: linear-gradient(120deg, var(--ice-glow), var(--aurora-violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { font-size: 1rem; color: var(--text); max-width: 680px; margin-bottom: 36px; line-height: 2; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 700; padding: 13px 26px; border-radius: 100px;
  transition: all 0.25s var(--ease); cursor: pointer; border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(120deg, var(--ice-500), var(--ice-600));
  color: #04121e; box-shadow: 0 8px 24px -8px rgba(63,160,222,0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(63,160,222,0.75); color: #04121e; }
.btn-secondary { background: transparent; border-color: var(--border-soft); color: var(--text); }
.btn-secondary:hover { border-color: var(--ice-400); color: var(--ice-200); }

.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.stat-card {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  padding: 22px 22px 20px; position: relative; overflow: hidden;
}
.stat-card::after {
  content: ''; position: absolute; top: -30%; right: -30%; width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(127,227,255,0.14), transparent 70%);
}
.stat-number {
  font-family: var(--font-mono); font-size: 2.1rem; font-weight: 700; color: var(--ice-glow);
  line-height: 1; margin-bottom: 10px; display: block;
}
.stat-label { font-size: 0.76rem; color: var(--text); line-height: 1.6; margin-bottom: 6px; }
.stat-sub { font-size: 0.66rem; color: var(--text-faint); }

/* ================================================================
   共通セクション見出し
   ================================================================ */
.section { max-width: var(--max-w); margin: 0 auto; padding: 88px 28px; }
.section-head { margin-bottom: 44px; text-align: center; }
.section-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ice-400); margin-bottom: 14px; display: block;
}
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.3rem); color: var(--text-hi); margin-bottom: 16px; }
.section-desc { font-size: 0.92rem; color: var(--text-muted); max-width: 640px; margin: 0 auto; line-height: 1.9; }

/* ================================================================
   長文コンテンツ用タイポグラフィ（トップページ主張パート）
   ================================================================ */
.manifesto { max-width: 820px; margin: 0 auto; padding: 0 28px; }
.manifesto h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem); margin: 64px 0 22px; padding-top: 6px;
  border-top: 1px solid var(--border-soft); padding-top: 32px;
}
.manifesto h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.manifesto h3 { font-size: 1.15rem; color: var(--ice-200); margin: 34px 0 14px; }
.manifesto p { font-size: 0.96rem; color: var(--text); margin-bottom: 20px; line-height: 2.05; }
.manifesto strong { color: var(--text-hi); font-weight: 700; }
.manifesto ul, .manifesto ol { margin: 20px 0 24px 1.4em; color: var(--text); font-size: 0.94rem; line-height: 1.95; }
.manifesto li { margin-bottom: 10px; }
.pull-quote {
  font-family: var(--font-display); font-size: 1.3rem; line-height: 1.8; color: var(--ice-100);
  border-left: 3px solid var(--ice-500); padding: 6px 0 6px 26px; margin: 40px 0;
}

/* ================================================================
   カテゴリタブ / 検索
   ================================================================ */
.article-controls { max-width: var(--max-w); margin: 0 auto 36px; padding: 0 28px; }
.search-row { display: flex; gap: 10px; margin-bottom: 20px; }
.search-input {
  flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: 100px;
  padding: 12px 20px; color: var(--text-hi); font-size: 0.86rem; font-family: var(--font-sans);
}
.search-input:focus { outline: none; border-color: var(--ice-500); }
.search-input::placeholder { color: var(--text-faint); }
.search-clear-btn {
  display: none; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 100px; padding: 0 18px; font-size: 0.78rem; cursor: pointer;
}
.category-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.category-tab {
  font-size: 0.72rem; padding: 8px 16px; border-radius: 100px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-muted); cursor: pointer; transition: all 0.2s var(--ease);
  font-family: var(--font-sans);
}
.category-tab:hover { border-color: var(--ice-500); color: var(--ice-200); }
.category-tab.active { background: linear-gradient(120deg, var(--ice-500), var(--ice-600)); color: #04121e; border-color: transparent; font-weight: 700; }

/* ================================================================
   記事グリッド / カード
   ================================================================ */
.article-grid { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.article-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all 0.25s var(--ease); display: flex; flex-direction: column;
}
.article-card:hover { border-color: var(--ice-500); transform: translateY(-3px); box-shadow: 0 16px 30px -18px rgba(63,160,222,0.5); }
.article-card-eyecatch {
  height: 90px; position: relative; display: flex; align-items: center; justify-content: space-between; padding: 14px 16px;
}
.card-category-label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.85); background: rgba(0,0,0,0.25); padding: 4px 10px; border-radius: 100px; }
.card-icon { font-size: 1.5rem; opacity: 0.9; }
.article-card-body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.article-card-body h3 { font-size: 0.92rem; line-height: 1.6; font-weight: 700; }
.article-card-body h3 a { color: var(--text-hi); }
.article-card-body h3 a:hover { color: var(--ice-300); }
.card-meta { margin-top: auto; padding-top: 14px; font-size: 0.68rem; color: var(--text-faint); }

.no-results { text-align: center; padding: 60px 20px; color: var(--text-muted); display: none; }

.pagination { max-width: var(--max-w); margin: 40px auto 0; padding: 0 28px; display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.page-btn { min-width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text-muted); cursor: pointer; font-size: 0.8rem; font-family: var(--font-mono); }
.page-btn:hover { border-color: var(--ice-500); color: var(--ice-200); }
.page-btn.active { background: var(--ice-500); color: #04121e; border-color: transparent; font-weight: 700; }

/* ================================================================
   統計・診断ウィジェット（トップページ）
   ================================================================ */
.diag-box {
  max-width: 720px; margin: 0 auto; background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 36px 32px;
}
.diag-title { font-family: var(--font-display); font-size: 1.2rem; color: var(--text-hi); margin-bottom: 18px; }
.diag-q { font-size: 0.88rem; color: var(--text); margin: 20px 0 10px; }
.diag-opts { display: flex; gap: 10px; flex-wrap: wrap; }
.diag-opt { padding: 9px 18px; border: 1px solid var(--border); border-radius: 100px; font-size: 0.78rem; color: var(--text-muted); cursor: pointer; background: var(--surface); }
.diag-opt:hover, .diag-opt.selected { border-color: var(--ice-500); color: var(--ice-200); }
.diag-result { margin-top: 24px; padding: 20px; border-radius: var(--radius); background: rgba(63,160,222,0.06); border: 1px solid var(--border-soft); font-size: 0.86rem; color: var(--text); display: none; line-height: 1.9; }

/* ================================================================
   フッター / プロフィール
   ================================================================ */
.author-profile {
  max-width: 760px; margin: 0 auto; padding: 60px 28px 20px;
}
.author-card {
  display: flex; gap: 22px; background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 30px;
}
.author-avatar { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border-soft); flex-shrink: 0; }
.author-name { font-family: var(--font-display); font-size: 1.1rem; color: var(--text-hi); margin-bottom: 4px; }
.author-role { font-size: 0.7rem; color: var(--ice-400); letter-spacing: 0.06em; margin-bottom: 14px; }
.author-bio { font-size: 0.85rem; color: var(--text); line-height: 1.95; }
@media (max-width: 560px) { .author-card { flex-direction: column; align-items: flex-start; } }

.site-footer { border-top: 1px solid var(--border-soft); padding: 40px 28px; margin-top: 40px; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; text-align: center; }
.footer-logo { font-family: var(--font-display); color: var(--text-hi); font-size: 0.95rem; margin-bottom: 10px; }
.footer-copy { font-size: 0.72rem; color: var(--text-faint); }
.footer-disclaimer { font-size: 0.68rem; color: var(--text-faint); margin-top: 10px; line-height: 1.8; max-width: 640px; margin-left: auto; margin-right: auto; }

/* ================================================================
   記事詳細ページ共通
   ================================================================ */
.article-hero {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-void) 100%);
  border-bottom: 1px solid var(--border-soft); padding: 56px 28px 44px; position: relative; overflow: hidden;
}
.article-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 800px 400px at 20% 0%, rgba(63,160,222,0.18), transparent 60%);
}
.article-hero-inner { max-width: 780px; margin: 0 auto; position: relative; z-index: 1; }
.article-breadcrumb { font-size: 0.72rem; color: var(--text-faint); margin-bottom: 18px; }
.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb .sep { margin: 0 8px; }
.article-category-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em;
  color: var(--ice-glow); border: 1px solid var(--border-soft); border-radius: 100px; padding: 5px 14px; margin-bottom: 18px;
}
.article-hero h1 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); line-height: 1.55; color: var(--text-hi); margin-bottom: 18px; }
.article-hero-sub { font-size: 0.92rem; color: var(--text); line-height: 1.95; margin-bottom: 22px; }
.article-meta-row { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.72rem; color: var(--text-muted); }

.article-layout { max-width: var(--max-w); margin: 0 auto; padding: 56px 28px 90px; display: grid; grid-template-columns: 1fr 280px; gap: 56px; align-items: start; }
@media (max-width: 900px) { .article-layout { grid-template-columns: 1fr; } }
.article-body { max-width: 720px; }
.article-body h2 { font-size: 1.35rem; margin: 48px 0 18px; padding-top: 28px; border-top: 1px solid var(--border-soft); }
.article-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.article-body h3 { font-size: 1.08rem; color: var(--ice-200); margin: 30px 0 14px; }
.article-body p { font-size: 0.94rem; color: var(--text); margin-bottom: 18px; line-height: 2.02; }
.article-body strong { color: var(--text-hi); }
.article-body ul, .article-body ol { margin: 18px 0 22px 1.4em; color: var(--text); font-size: 0.9rem; line-height: 1.95; }
.article-body li { margin-bottom: 8px; }

.article-sidebar { position: sticky; top: 96px; }
.sidebar-toc { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 20px; }
.sidebar-toc-title { display: block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; color: var(--ice-400); margin-bottom: 14px; text-transform: uppercase; }
.toc-list { list-style: none; }
.toc-list li { margin-bottom: 10px; }
.toc-list a { font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; display: block; }
.toc-list a:hover { color: var(--ice-200); }
.sidebar-cta { background: linear-gradient(160deg, var(--surface), var(--surface-2)); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 22px; }
.sidebar-cta h4 { font-size: 0.9rem; color: var(--text-hi); margin-bottom: 10px; }
.sidebar-cta p { font-size: 0.76rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }

/* ---- 記事内の共通パーツ ---- */
.stat-highlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 30px 0; }
.stat-item { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 18px 18px; text-align: center; }
.stat-item .stat-number { font-size: 1.9rem; }
.stat-item .stat-label { font-size: 0.68rem; }

.chart-wrap { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 26px; margin: 34px 0; }
.chart-title { font-size: 0.86rem; font-weight: 700; color: var(--text-hi); margin-bottom: 16px; }
.chart-source { font-size: 0.68rem; color: var(--text-faint); margin-top: 14px; text-align: right; }

.data-box { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 22px 24px; margin: 30px 0; overflow-x: auto; }
.data-box-title { font-size: 0.88rem; font-weight: 700; color: var(--ice-300); margin-bottom: 14px; }
.data-box-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.data-box-table th { background: rgba(63,160,222,0.08); color: var(--ice-300); font-size: 0.72rem; padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
.data-box-table td { font-size: 0.78rem; color: var(--text); padding: 9px 12px; border-bottom: 1px solid rgba(255,255,255,0.04); white-space: nowrap; }
.data-box-table tr:last-child td { border-bottom: none; }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0; }
@media (max-width: 600px) { .split-grid { grid-template-columns: 1fr; } }
.split-col { border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 20px 22px; }
.split-col.bad { border-color: rgba(239,106,99,0.28); background: rgba(239,106,99,0.03); }
.split-col.good { border-color: rgba(70,224,196,0.28); background: rgba(70,224,196,0.03); }
.split-col-title { font-size: 0.86rem; font-weight: 700; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border-soft); }
.split-col.bad .split-col-title { color: var(--frost-danger); }
.split-col.good .split-col-title { color: var(--aurora-teal); }
.split-col ul { list-style: none; margin: 0; }
.split-col ul li { font-size: 0.8rem; color: var(--text); line-height: 1.75; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.04); display: flex; gap: 8px; }
.split-col ul li:last-child { border-bottom: none; }
.split-col.bad ul li::before { content: '✗'; color: var(--frost-danger); flex-shrink: 0; }
.split-col.good ul li::before { content: '✓'; color: var(--aurora-teal); flex-shrink: 0; }

.sns-section { background: rgba(239,106,99,0.03); border: 1px solid rgba(239,106,99,0.16); border-radius: var(--radius-lg); padding: 24px 26px; margin: 34px 0; }
.sns-box { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 15px 18px; margin-bottom: 12px; }
.sns-author { font-size: 0.84rem; color: var(--text); line-height: 1.75; }
.rebuttal-box { background: rgba(63,160,222,0.05); border-left: 3px solid var(--ice-500); padding: 15px 18px; margin-top: 12px; margin-bottom: 24px; border-radius: 0 var(--radius) var(--radius) 0; font-size: 0.84rem; color: var(--text); line-height: 1.8; }
.rebuttal-box:last-child { margin-bottom: 0; }

.action-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 30px 0; }
.action-card { background: var(--surface); border: 1px solid rgba(70,224,196,0.22); border-radius: var(--radius-lg); padding: 20px 22px; }
.action-card-icon { font-size: 1.4rem; display: block; margin-bottom: 10px; }
.action-card-title { font-size: 0.9rem; font-weight: 700; color: var(--aurora-teal); margin-bottom: 10px; line-height: 1.5; }
.action-card-body { font-size: 0.8rem; color: var(--text); line-height: 1.85; }

.analysis-box { background: rgba(143,143,240,0.04); border: 1px solid rgba(143,143,240,0.2); border-radius: var(--radius-lg); padding: 24px 26px; margin: 30px 0; }
.analysis-title { font-size: 0.92rem; font-weight: 700; color: var(--aurora-violet); margin-bottom: 14px; }
.analysis-body { font-size: 0.86rem; color: var(--text); line-height: 1.9; }

.timeline { list-style: none; margin: 22px 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 74px; top: 0; bottom: 0; width: 1px; background: var(--border); }
.timeline li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 14px 0; position: relative; }
.timeline li::after { content: ''; position: absolute; left: 66px; top: 20px; width: 9px; height: 9px; border-radius: 50%; background: var(--ice-500); border: 2px solid var(--ice-glow); z-index: 1; }
.tl-year { font-weight: 700; font-size: 0.82rem; color: var(--ice-300); font-family: var(--font-mono); text-align: right; padding-top: 2px; }
.tl-content { font-size: 0.85rem; color: var(--text); line-height: 1.8; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.tl-content strong { color: var(--text-hi); }
.timeline li:last-child .tl-content { border-bottom: none; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 26px 0; }
.related-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; display: block; }
.related-card:hover { border-color: var(--ice-500); }
.related-cat { font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ice-400); font-weight: 700; display: block; margin-bottom: 8px; }
.related-card h4 { font-size: 0.84rem; color: var(--text-hi); line-height: 1.6; font-weight: 700; }

/* ================================================================
   フェードインアニメーション
   ================================================================ */
.fade-in { opacity: 0; transform: translateY(14px); animation: fadeUp 0.7s var(--ease) forwards; }
.fade-in-delay-1 { animation-delay: 0.08s; }
.fade-in-delay-2 { animation-delay: 0.16s; }
.fade-in-delay-3 { animation-delay: 0.24s; }
.fade-in-delay-4 { animation-delay: 0.32s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

@media (max-width: 640px) {
  .hero { padding: 72px 20px 56px; }
  .section { padding: 60px 20px; }
}