/* ============================================================
   LLM Insight ガイド記事 v2 — Claude Design「LLMOツール比較ガイド」準拠
   - すべて gd- プレフィックス。トークンは .gd 配下にスコープ（グローバル再定義なし）
   - 元デザイン: Claude Design 9953f1ba…（LLM Insight DS 781917aa… B·Focus）
   - 原本ハンドオフ: design/guides_2608/
   ============================================================ */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@600;800&display=swap");

html { scroll-behavior: smooth; }

.gd {
  /* ---- デザインシステムトークン（.gd 配下のみ有効） ---- */
  --background: hsl(216 38% 97%);
  --foreground: hsl(215 56% 12%);
  --card: hsl(0 0% 100%);
  --primary: hsl(223 80% 55%);
  --primary-dark: hsl(223 80% 49%);
  --secondary: hsl(216 56% 98%);
  --secondary-foreground: hsl(217 24% 27%);
  --muted-foreground: hsl(217 17% 44%);
  --accent: hsl(220 100% 97%);
  --accent-foreground: hsl(224 76% 48%);
  --accent-border: hsl(223 80% 55% / 0.25);
  --success: hsl(159 82% 30%);
  --warning: hsl(36 80% 40%);
  --border: hsl(220 32% 93%);
  --input: hsl(218 29% 87%);
  --competitor: hsl(216 19% 67%);
  --diff-added-bg: hsl(155 46% 93%);
  --shadow-soft: 0 1px 2px hsl(215 56% 12% / 0.04), 0 1px 3px hsl(215 56% 12% / 0.03);
  --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num: "Manrope", "Noto Sans JP", system-ui, sans-serif;

  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.gd h1, .gd h2, .gd h3, .gd h4, .gd p { margin: 0; }
.gd a { color: var(--accent-foreground); text-decoration: none; }
.gd a:hover { text-decoration: underline; }
.gd img { max-width: 100%; }
.gd-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

/* ---------- 記事ヘッダー帯 ---------- */
.gd-header { background: var(--card); border-bottom: 1px solid var(--border); }
.gd-header-inner { max-width: 1140px; margin: 0 auto; padding: 28px 24px 36px; }
.gd-crumbs { font-size: 12px; color: var(--muted-foreground); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.gd-crumbs a { color: var(--muted-foreground); }
.gd-header-row { margin-top: 18px; display: flex; gap: 32px; align-items: flex-start; flex-wrap: wrap; }
.gd-header-main { flex: 1; min-width: min(340px, 100%); }
.gd-badges { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.gd-badge { display: inline-flex; align-items: center; height: 22px; padding: 0 10px; border-radius: 9999px; background: var(--secondary); border: 1px solid var(--border); color: var(--secondary-foreground); font-size: 11px; font-weight: 600; }
.gd-badge--outline { background: transparent; border-color: var(--input); }
.gd-title { margin-top: 14px; font-size: 29px; font-weight: 700; line-height: 1.45; letter-spacing: -0.01em; text-wrap: pretty; }
.gd-lead { margin-top: 14px; font-size: 15px; line-height: 1.9; color: var(--secondary-foreground); }
.gd-lead strong { color: var(--foreground); font-weight: 700; }
.gd-meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12px; color: var(--muted-foreground); }
.gd-meta strong { color: var(--foreground); font-weight: 600; }
.gd-update-note { margin-top: 12px; font-size: 12.5px; line-height: 1.8; color: var(--secondary-foreground); }
.gd-header-ctas { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }
.gd-eyecatch { width: 380px; max-width: 100%; flex: 0 1 auto; }
.gd-eyecatch img { width: 100%; height: auto; aspect-ratio: 380 / 236; object-fit: cover; object-position: top left; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow-soft); display: block; }

/* ---------- ボタン ---------- */
.gd-btn { display: inline-flex; align-items: center; height: 40px; padding: 0 18px; border-radius: 10px; background: var(--primary); color: #fff; font-size: 13.5px; font-weight: 600; text-decoration: none; box-shadow: var(--shadow-soft); transition: var(--transition-smooth); }
.gd .gd-btn { color: #fff; }
.gd-btn:hover { background: var(--primary-dark); text-decoration: none; }
.gd-btn--ghost { background: var(--card); border: 1px solid var(--input); box-shadow: none; }
.gd .gd-btn--ghost { color: var(--foreground); }
.gd-btn--ghost:hover { background: var(--accent); color: var(--accent-foreground); }
.gd-btn--sm { height: 38px; padding: 0 16px; font-size: 13px; }

/* ---------- 2カラムシェル ---------- */
.gd-shell { max-width: 1140px; margin: 0 auto; padding: 36px 24px 72px; display: flex; flex-wrap: wrap; gap: 36px; align-items: flex-start; }
.gd-main { flex: 1; min-width: min(560px, 100%); display: flex; flex-direction: column; gap: 52px; }
.gd-aside { width: 264px; flex: 0 0 auto; position: sticky; top: 20px; display: flex; flex-direction: column; gap: 16px; max-height: calc(100vh - 40px); overflow: auto; }
@media (max-width: 900px) {
  .gd-aside { position: static; width: 100%; max-height: none; order: -1; }
}

/* ---------- サイドバー ---------- */
.gd-toc { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 12px; box-shadow: var(--shadow-soft); scroll-margin-top: 20px; }
.gd-toc-label { font-size: 11.5px; font-weight: 600; color: var(--muted-foreground); padding: 0 12px 10px; letter-spacing: 0.04em; }
.gd-toc-list { display: flex; flex-direction: column; gap: 2px; }
.gd-toc-list a { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 8px; font-size: 13px; color: var(--secondary-foreground); font-weight: 500; transition: var(--transition-smooth); }
.gd-toc-list a:hover { text-decoration: none; background: var(--secondary); }
.gd-toc-list a .gd-toc-num { font-family: var(--font-num); font-size: 10.5px; font-weight: 800; color: var(--competitor); }
.gd-toc-list a span:last-child { flex: 1; line-height: 1.5; }
.gd-toc-list a.is-active { background: var(--accent); color: var(--accent-foreground); font-weight: 600; }
.gd-toc-list a.is-active .gd-toc-num { color: var(--accent-foreground); }
.gd-side-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; box-shadow: var(--shadow-soft); }
.gd-side-card-title { font-size: 13px; font-weight: 700; }
.gd-side-card p { margin-top: 6px; font-size: 12px; line-height: 1.8; color: var(--muted-foreground); }
.gd-side-card-sub { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 12px; font-weight: 700; }
.gd-side-card-person { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.gd-side-card-person .gd-side-card-sub { margin-top: 0; padding-top: 0; border-top: none; }
.gd-side-card-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.gd-side-cta { background: var(--accent); border: 1px solid var(--accent-border); border-radius: 12px; padding: 18px 20px; }
.gd-side-cta-title { font-size: 13px; font-weight: 700; line-height: 1.6; }
.gd-side-cta p { margin-top: 6px; font-size: 12px; line-height: 1.8; color: var(--secondary-foreground); }
.gd-side-cta .gd-btn { margin-top: 12px; height: 36px; padding: 0 14px; border-radius: 9px; font-size: 12.5px; }

/* ---------- この記事でわかること ---------- */
.gd-learn { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; box-shadow: var(--shadow-soft); }
.gd-learn h2 { font-size: 15px; font-weight: 700; }
.gd-learn-list { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.gd-check-item { display: flex; gap: 10px; align-items: flex-start; }
.gd-check-item svg { flex-shrink: 0; margin-top: 4px; }
.gd-check-item p { font-size: 14px; line-height: 1.75; }
.gd-check-item strong { font-weight: 700; }

/* ---------- セクション共通 ---------- */
.gd-sec { scroll-margin-top: 24px; }
.gd-sec-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.gd-sec-no { font-family: var(--font-num); font-size: 12px; font-weight: 800; color: var(--primary); letter-spacing: 0.08em; }
.gd-sec-head h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.4; }
.gd-sec > p, .gd-prose > p { font-size: 14.5px; line-height: 1.9; }
.gd-prose > p + p, .gd-prose > p + ul, .gd-prose > ul + p { margin-top: 14px; }
.gd-prose ul, .gd-prose ol { margin: 14px 0 0; padding-left: 22px; font-size: 14.5px; line-height: 1.9; color: var(--secondary-foreground); }
.gd-prose li + li { margin-top: 6px; }
.gd-h3 { font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.5; }
/* margin: 0 リセット（.gd h3 = 0,1,1）に負けないよう詳細度を上げて余白指定 */
.gd h3.gd-h3 { margin-top: 28px; }
.gd h3.gd-h3:first-child { margin-top: 0; }

.gd-muted { color: var(--secondary-foreground); }

/* ---------- ボックス類 ---------- */
.gd-note-accent { background: var(--accent); border: 1px solid var(--accent-border); border-radius: 12px; padding: 24px 26px; }
.gd-note-accent p { font-size: 14.5px; line-height: 2; }
.gd-note-accent strong { font-weight: 700; color: var(--accent-foreground); }
.gd-callout { margin-top: 16px; background: var(--accent); border: 1px solid var(--accent-border); border-radius: 12px; padding: 18px 22px; display: flex; gap: 14px; align-items: flex-start; }
.gd-callout-ico { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 9px; background: var(--primary); flex-shrink: 0; }
.gd-callout p { font-size: 14.5px; line-height: 2; }
.gd-callout strong { font-weight: 700; color: var(--accent-foreground); }
.gd-card { margin-top: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px 22px; box-shadow: var(--shadow-soft); }
.gd-card p { font-size: 14.5px; line-height: 2; }
.gd-ref-note { margin-top: 16px; background: var(--secondary); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; font-size: 13px; line-height: 1.8; color: var(--secondary-foreground); }

/* ---------- コード ---------- */
.gd code { font-family: "JetBrains Mono", "SF Mono", Monaco, "Roboto Mono", monospace; font-size: 12.5px; background: var(--secondary); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }
.gd pre { margin: 14px 0 0; background: var(--secondary); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
.gd pre code { background: none; border: none; padding: 0; font-size: 12.5px; line-height: 1.7; display: block; white-space: pre; overflow-wrap: normal; }

/* ---------- 統計カード ---------- */
.gd-stat-grid { margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 640px) { .gd-stat-grid { grid-template-columns: 1fr; } }
.gd-stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: var(--shadow-soft); }
.gd-stat-head { display: flex; align-items: center; gap: 10px; }
.gd-stat-ico { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 9px; background: var(--accent); flex-shrink: 0; }
.gd-stat-ico--success { background: var(--diff-added-bg); }
.gd-stat-label { font-size: 11.5px; font-weight: 600; color: var(--muted-foreground); letter-spacing: 0.02em; }
.gd-stat-value { margin-top: 12px; font-family: var(--font-num); font-variant-numeric: tabular-nums; font-size: 32px; font-weight: 800; letter-spacing: -0.02em; color: var(--foreground); line-height: 1; }
.gd-stat-value small { font-size: 15px; font-weight: 700; }
.gd-stat-value--success { color: var(--success); }
.gd-stat-card > p { margin-top: 8px; font-size: 12px; line-height: 1.7; color: var(--muted-foreground); }

/* ---------- チップ行 ---------- */
.gd-chip-row { margin-top: 12px; padding-top: 14px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.gd-chip-row-label { font-size: 11.5px; font-weight: 600; color: var(--muted-foreground); }
.gd-chip { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 11px; border-radius: 9999px; background: var(--secondary); border: 1px solid var(--border); font-size: 12px; font-weight: 500; color: var(--secondary-foreground); }
.gd-chip svg { flex-shrink: 0; }
.gd-chip strong { font-weight: 700; }

/* ---------- ツール群（国内/海外の区切り＋カード） ---------- */
.gd-divider { margin-top: 24px; display: flex; align-items: center; gap: 12px; }
.gd-divider + .gd-tools { margin-top: 14px; }
.gd-tools + .gd-divider { margin-top: 32px; }
.gd-divider-badge { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 9999px; background: var(--accent); color: var(--accent-foreground); font-size: 12px; font-weight: 700; }
.gd-divider-badge--alt { background: var(--secondary); border: 1px solid var(--border); color: var(--secondary-foreground); }
.gd-divider h3 { font-size: 16px; font-weight: 700; }
.gd-divider-line { flex: 1; height: 1px; background: var(--border); }
.gd-tools { display: flex; flex-direction: column; gap: 16px; }
.gd-tool { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; box-shadow: var(--shadow-soft); }
.gd-tool--featured { border-color: hsl(223 80% 55% / 0.45); box-shadow: 0 0 0 3px hsl(223 80% 55% / 0.06), var(--shadow-soft); }
.gd-tool-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.gd-tool-head h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; flex: 1; min-width: 200px; }
.gd-rank { font-family: var(--font-num); display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 9999px; background: var(--secondary); border: 1px solid var(--border); color: var(--secondary-foreground); font-size: 12.5px; font-weight: 700; }
.gd-rank--top { background: var(--primary); border: none; color: #fff; }
.gd-region { font-size: 11px; font-weight: 600; color: var(--accent-foreground); background: var(--accent); border-radius: 9999px; padding: 3px 9px; }
.gd-region--intl { color: var(--secondary-foreground); background: var(--secondary); border: 1px solid var(--border); }
.gd-tool-body { margin-top: 12px; display: flex; gap: 20px; flex-wrap: wrap; }
.gd-tool-text { flex: 1; min-width: min(300px, 100%); }
.gd-tool-tagline { font-size: 14px; font-weight: 600; color: var(--accent-foreground); }
.gd-tool-desc { margin-top: 6px; font-size: 14px; line-height: 1.85; color: var(--secondary-foreground); }
.gd-tool-logo { margin-top: 16px; height: 26px; display: block; }
.gd-tool-shot { margin-top: 10px; width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); display: block; }
.gd-spec { margin-top: 8px; }
.gd-spec-row { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 9px 0; border-top: 1px solid var(--border); }
.gd-spec-row dt { font-size: 12px; font-weight: 500; color: var(--muted-foreground); padding-top: 2px; }
.gd-spec-row dd { margin: 0; font-size: 13.5px; line-height: 1.7; min-width: 0; overflow-wrap: anywhere; }
.gd-spec-row dd.gd-num { font-weight: 600; }
.gd-tool-note { margin-top: 12px; font-size: 12.5px; color: var(--muted-foreground); }
.gd-tool-ctas { margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- テーブル ---------- */
.gd-table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); overflow-x: auto; }
.gd-table { width: 100%; border-collapse: collapse; min-width: 780px; }
.gd-table--md { min-width: 640px; }
.gd-table th { background: var(--secondary); padding: 11px 12px; font-size: 11.5px; font-weight: 600; color: var(--muted-foreground); text-align: left; white-space: nowrap; }
.gd-table th.gd-center, .gd-table td.gd-center { text-align: center; }
.gd-table td { padding: 11px 12px; font-size: 13px; border-top: 1px solid var(--border); line-height: 1.7; }
.gd-table td.gd-wrap-ok { white-space: normal; }
.gd-table .gd-sticky { position: sticky; left: 0; z-index: 1; background: var(--card); border-right: 1px solid var(--border); white-space: nowrap; min-width: 168px; }
.gd-table th.gd-sticky { background: var(--secondary); z-index: 2; }
.gd-table td.gd-sticky { font-weight: 700; }
.gd-row-hl td { background: var(--accent); font-weight: 600; }
.gd-row-hl td.gd-sticky { background: var(--accent); font-weight: 700; }
.gd-yes { color: var(--success); font-weight: 700; }
.gd-tri { color: var(--warning); font-weight: 700; }
.gd-no { color: var(--competitor); font-weight: 600; }
.gd-na { font-size: 11.5px; color: var(--muted-foreground); }
.gd-table .gd-num { white-space: nowrap; }
.gd-table-note { margin-top: 10px; font-size: 12.5px; line-height: 1.7; color: var(--muted-foreground); }
.gd-table-wrap, .gd-steps { margin-top: 16px; }
.gd-sec-head + .gd-table-wrap,
.gd-sec-head + .gd-steps,
.gd-sec-head + .gd-note-accent { margin-top: 0; }
.gd-h3 + .gd-prose { margin-top: 12px; }
.gd-sec > .gd-prose { margin-top: 16px; }
.gd-sec > .gd-sec-head + .gd-prose { margin-top: 0; }
.gd-sec > .gd-h3 + .gd-prose { margin-top: 12px; }
.gd-step .gd-table-note { margin-top: 10px; font-size: 12.5px; color: var(--muted-foreground); }
.gd-uc-goal { font-weight: 700; }
.gd-uc-tool { font-weight: 600; color: var(--accent-foreground); white-space: nowrap; }
.gd-uc-why { color: var(--secondary-foreground); }
.gd-table th.gd-wide { white-space: normal; min-width: 220px; }

/* ---------- 番号付きリスト（選び方・ステップ） ---------- */
.gd-steps { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); overflow: hidden; }
.gd-step { display: flex; gap: 16px; padding: 18px 22px; align-items: flex-start; }
.gd-step + .gd-step { border-top: 1px solid var(--border); }
.gd-step-num { font-family: var(--font-num); flex-shrink: 0; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--accent); color: var(--accent-foreground); font-size: 13px; font-weight: 800; }
.gd-step h3, .gd-step h4 { font-size: 14.5px; font-weight: 700; }
.gd-step p { margin-top: 5px; font-size: 13.5px; line-height: 1.85; color: var(--secondary-foreground); }

/* ---------- 参考リンクグリッド ---------- */
.gd-links-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.gd-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 8px; }
.gd-link-card { display: flex; gap: 8px; align-items: center; padding: 10px 14px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; font-size: 12.5px; transition: var(--transition-smooth); }
.gd .gd-link-card { color: var(--secondary-foreground); }
.gd-link-card:hover { background: var(--accent); color: var(--accent-foreground); text-decoration: none; }
.gd-link-card svg { flex-shrink: 0; opacity: 0.6; }

/* ---------- 診断CTA（記事内） ---------- */
.gd-cta-inline { background: var(--accent); border: 1px solid var(--accent-border); border-radius: 12px; padding: 24px 26px; }
.gd-cta-inline h3 { font-size: 16.5px; font-weight: 700; line-height: 1.5; }
.gd-cta-inline p { margin-top: 8px; font-size: 13.5px; line-height: 1.9; color: var(--secondary-foreground); }
.gd-cta-inline .gd-cta-btns { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- FAQ ---------- */
.gd-faq { display: flex; flex-direction: column; gap: 10px; }
.gd-faq details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); }
.gd-faq summary { display: flex; align-items: center; gap: 12px; padding: 16px 20px; cursor: pointer; font-size: 14.5px; font-weight: 600; line-height: 1.6; list-style: none; }
.gd-faq summary::-webkit-details-marker { display: none; }
.gd-faq-q { font-family: var(--font-num); color: var(--primary); font-weight: 800; font-size: 14px; }
.gd-faq summary > span:nth-child(2) { flex: 1; }
.gd-faq-chev { flex-shrink: 0; transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
.gd-faq details[open] .gd-faq-chev { transform: rotate(180deg); }
.gd-faq details > p { padding: 0 20px 18px 46px; font-size: 13.5px; line-height: 1.9; color: var(--secondary-foreground); }

/* ---------- 関連記事 ---------- */
.gd-related-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.gd-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.gd-related-card { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); transition: var(--transition-smooth); }
.gd-related-card:hover { border-color: hsl(223 80% 55% / 0.4); text-decoration: none; }
.gd-related-tag { align-self: flex-start; font-size: 11px; font-weight: 600; color: var(--accent-foreground); background: var(--accent); border-radius: 9999px; padding: 3px 9px; }
.gd-related-tag--feature { color: var(--success); background: var(--diff-added-bg); }
.gd-related-tag--challenge { color: var(--warning); background: hsl(36 80% 95%); }
.gd-related-card-title { font-size: 14px; font-weight: 700; line-height: 1.6; color: var(--foreground); }
.gd-related-card p { font-size: 12px; line-height: 1.7; color: var(--muted-foreground); }

/* ---------- 記事末CTA（ダーク） ---------- */
.gd-final-cta { background: var(--foreground); border-radius: 12px; padding: 36px 32px; text-align: center; }
.gd-final-cta h2 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; color: #fff; }
.gd-final-cta > p { margin-top: 8px; font-size: 14px; color: hsl(216 30% 78%); }
.gd-final-cta .gd-cta-btns { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.gd-btn--inverse { background: transparent; border: 1px solid hsl(216 30% 40%); box-shadow: none; }
.gd .gd-btn--inverse { color: #fff; }
.gd-btn--inverse:hover { background: hsl(215 50% 18%); }

/* ---------- ガイド一覧（/guides/） ---------- */
.gd-index-grid { margin-top: 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.gd-index-card { display: flex; flex-direction: column; gap: 10px; padding: 24px 26px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); transition: var(--transition-smooth); }
.gd .gd-index-card { color: inherit; }
.gd-index-target { font-size: 12px; color: var(--muted-foreground); }
.gd-index-card:hover { border-color: hsl(223 80% 55% / 0.4); text-decoration: none; }
.gd-index-card h2 { font-size: 16px; font-weight: 700; line-height: 1.6; color: var(--foreground); }
.gd-index-card p { font-size: 13px; line-height: 1.8; color: var(--secondary-foreground); }
.gd-index-card .gd-index-more { margin-top: auto; font-size: 12.5px; font-weight: 600; color: var(--accent-foreground); }