:root{--bg:#f6f3ee;--surface:#fff;--text:#1f2a44;--muted:#5d6680;--border:#e3ddd3;--accent:#c97a35;--ok:#2e7d4f;--warn:#b26a00;--ng:#c0392b;--notice-bg:#fbeedd;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;line-height:1.6}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#141b2d;--surface:#1f2a44;--text:#f2e9dc;--muted:#a9b1c6;--border:#2f3b5a;--accent:#e8a361;--ok:#5cc28a;--warn:#f0b04a;--ng:#ff7a6b;--notice-bg:#2c2a32}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.page{max-width:640px;padding:max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));margin:0 auto}.header{align-items:center;gap:12px;margin:8px 0 16px;display:flex}.logo{border-radius:12px;flex-shrink:0}h1{margin:0;font-size:1.6rem}h2{margin:0 0 12px;font-size:1.1rem}.tagline,.hint{color:var(--muted);margin:0;font-size:.9rem}.notice{background:var(--notice-bg);border-radius:8px;padding:10px 12px;font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;padding:16px}.install{border-color:var(--accent)}.install ol{margin:0 0 8px;padding-left:1.4em}.checks{margin:0;padding:0;list-style:none}.check{border-top:1px solid var(--border);gap:12px;padding:10px 0;display:flex}.check:first-child{border-top:none;padding-top:0}.mark{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.85rem;font-weight:700;display:inline-flex}.check-ok .mark{background:var(--ok)}.check-warn .mark{background:var(--warn)}.check-ng .mark{background:var(--ng)}.check-label{font-weight:600}.check-detail{color:var(--muted);overflow-wrap:anywhere;font-size:.88rem}.footer{color:var(--muted);overflow-wrap:anywhere;font-size:.75rem}