:root{--fg:#1b2530;--muted:#5b6875;--bg:#fff;--surface:#fff;--subtle:#f5f7f9;--line:#e2e7ec;--line-strong:#cbd3db;--accent:#0059a8;--accent-strong:#00417d;--accent-soft:#eef4fa;--on-accent:#fff;--notice-bg:#f5f7f9;--radius:8px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--fg:#e4e9ee;--muted:#9aa7b3;--bg:#111820;--surface:#161f29;--subtle:#1a2430;--line:#26323f;--line-strong:#364453;--accent:#6cb4f0;--accent-strong:#9ccbf5;--accent-soft:#1a2c3e;--on-accent:#0b1520;--notice-bg:#1a2430;color-scheme:dark}}*{box-sizing:border-box}body{color:var(--fg);background:var(--bg);font-feature-settings:"palt";letter-spacing:.03em;-webkit-font-smoothing:antialiased;margin:0;font-family:system-ui,-apple-system,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic UI,sans-serif;line-height:1.9}a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--accent-strong)}h1,h2,h3{letter-spacing:.04em;font-weight:700;line-height:1.45}h1{margin:.2em 0 .7em;font-size:clamp(1.5rem,1.2rem + 1.3vw,2rem)}h2{border-bottom:1px solid var(--line);margin:2.8em 0 1em;padding-bottom:12px;font-size:1.3rem;position:relative}h2:after{content:"";background:var(--accent);width:48px;height:2px;position:absolute;bottom:-1px;left:0}.bar,.notice,main,.footer-inner{max-width:820px;margin:0 auto;padding-left:16px;padding-right:16px}main.wide,.bar,.notice,.footer-inner{max-width:1080px}.site-header{z-index:10;background:color-mix(in srgb, var(--surface) 94%, transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);position:sticky;top:0}.bar{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{color:var(--fg);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand:hover{color:var(--fg)}.brand-text{flex-direction:column;line-height:1.3;display:flex}.brand-name{letter-spacing:.06em;font-size:1.05rem;font-weight:700}.brand-tag{color:var(--muted);font-size:.7rem}.gnav{gap:28px;font-size:.88rem;display:flex}.gnav a{color:var(--fg);text-decoration:none}.gnav a:hover{color:var(--accent)}@media (width<=760px){.gnav{display:none}}.notice p{color:var(--muted);border-bottom:1px solid var(--line);margin:0 0 32px;padding:10px 0;font-size:.76rem;line-height:1.7}.notice .pr{color:var(--muted);border:1px solid var(--line-strong);border-radius:3px;margin-right:8px;padding:0 6px;font-size:.68rem;font-weight:700;display:inline-block}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:16px 0;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.93rem}.table-wrap table:has(thead):not(.fit){min-width:640px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:12px 14px}thead th{background:var(--subtle);color:var(--muted);white-space:nowrap;font-size:.8rem;font-weight:700}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}tbody th{background:var(--subtle);width:34%;color:var(--muted);font-size:.88rem;font-weight:600}.badge{background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:3px;padding:0 8px;font-size:.72rem;font-weight:700;line-height:1.8;display:inline-block}.badge.muted{background:var(--subtle);color:var(--muted)}.crumbs{color:var(--muted);margin:0 0 8px;font-size:.78rem}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{text-decoration:underline}.crumbs span{opacity:.6;margin:0 8px}.callout{background:var(--subtle);border-left:3px solid var(--line-strong);padding:14px 18px;font-size:.9rem}.callout strong{margin-right:8px}.callout.warn{background:color-mix(in srgb, #e8a317 10%, var(--surface));border-left-color:#d99a12}.lead{color:var(--muted)}.chips{flex-wrap:wrap;gap:8px;padding:0;list-style:none;display:flex}.chips a{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:4px 14px;font-size:.88rem;font-weight:600;text-decoration:none;display:inline-block}.chips a:hover{border-color:var(--accent)}.source{color:var(--muted);font-size:.78rem}.source a{word-break:break-all}.site-footer{background:var(--subtle);border-top:1px solid var(--line);color:var(--muted);margin-top:120px}.footer-inner{padding-top:40px;padding-bottom:32px;font-size:.82rem}.site-footer .brand,.site-footer .brand:hover{color:var(--fg)}.site-footer nav{flex-wrap:wrap;gap:8px 24px;margin:18px 0;display:flex}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--accent);text-decoration:underline}.copy{margin:0;font-size:.75rem}