:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1d1b17;--paper:#fff;--line:#dcdcdc;--accent:#c0391b;--ai:#1f3a5c;--mute:#666;--card:#fff;--accent-strong:#962a12;--accent-soft:#f5e2d9;--ai-soft:#e3e8ee;--on-accent:#fffaf2;--warn:#962a12;--warn-soft:#f5e2d9;--radius:3px;--serif:var(--font-serif), "Hiragino Mincho ProN", "Yu Mincho", serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:Noto Sans JP,Hiragino Sans,Yu Gothic UI,system-ui,sans-serif;font-size:16px;line-height:1.9}a{color:var(--ai)}h1,h2,h3{letter-spacing:.02em;font-weight:700;line-height:1.3;font-family:var(--serif);margin:0}.wrap{max-width:1040px;margin:0 auto;padding:0 16px}.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}:focus-visible{outline:3px solid var(--ai);outline-offset:2px}.pr{color:var(--mute);text-align:center;background:var(--paper);padding:4px 16px;font-size:11px;line-height:1.6}.site-head{background:var(--paper);border-top:4px solid var(--ink);border-bottom:1px solid var(--ink);z-index:10;position:sticky;top:0}.site-head .wrap{justify-content:space-between;align-items:center;gap:12px;min-height:56px;display:flex}.logo{font-family:var(--serif);color:var(--ink);letter-spacing:.06em;font-size:19px;font-weight:700;text-decoration:none}.site-head nav{align-items:center;gap:16px;display:flex}.site-head nav a{color:var(--mute);font-size:14px;text-decoration:none}.site-head nav a.head-cta{color:var(--ink);border:1px solid var(--ink);border-radius:var(--radius);background:0 0;align-items:center;min-height:40px;padding:6px 14px;font-weight:700;display:inline-flex}.site-foot{border-top:4px solid var(--ink);color:var(--mute);background:var(--paper);margin-top:72px;padding:28px 0 48px;font-size:13px;line-height:1.8}.site-foot nav{flex-wrap:wrap;gap:16px;margin-top:12px;display:flex}.test-banner{background:var(--warn);color:#fff;text-align:center;padding:6px 16px;font-size:13px;font-weight:700}@media (max-width:560px){.site-head nav a:not(.head-cta){display:none}}