:root{color-scheme:light dark;--bg:#fbfbfa;--surface:#ffffff;--surface-2:#f4f3f0;--text:#1a1a1a;--text-muted:#5f5d58;--text-faint:#8a8781;--line:#e6e4df;--line-strong:#cfccc4;--btn-bg:#ffffff;--btn-text:#1a1a1a;--btn-border:#cfccc4;--btn-hover-border:#8a8781;--primary-bg:#1a1a1a;--primary-text:#ffffff;--ok:#256d43;--warn-bg:#fff7f2;--warn-line:#efd0bf;--warn-text:#8a3d2a;--danger:#a33a31}@media (prefers-color-scheme:dark){:root{--bg:#171719;--surface:#1e1e21;--surface-2:#26262a;--text:#ededed;--text-muted:#a8a6a2;--text-faint:#83817d;--line:#2c2c30;--line-strong:#3d3d42;--btn-bg:#26262a;--btn-text:#ededed;--btn-border:#3d3d42;--btn-hover-border:#6a6a72;--primary-bg:#ededed;--primary-text:#171719;--ok:#6fbf8e;--warn-bg:#2a1f1a;--warn-line:#4b352a;--warn-text:#e8b79f;--danger:#e08b83}}body,html{background:var(--bg)}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a,body{color:var(--text)}.btn-secondary,button{font-family:inherit;font-size:.85rem;background:var(--btn-bg);color:var(--btn-text);border:1px solid var(--btn-border);border-radius:7px;padding:.4rem .9rem;cursor:pointer}.btn-secondary:hover,button:hover{border-color:var(--btn-hover-border)}.btn-primary{display:inline-block;background:var(--primary-bg);color:var(--primary-text);border:1px solid var(--primary-bg);border-radius:8px;padding:.6rem 1.2rem;font-size:.92rem;text-decoration:none;cursor:pointer}:focus-visible{outline:2px solid var(--primary-bg);outline-offset:2px}