:root{--brand:#0f766e;--brand-fg:#fff;--fg:#111827;--fg-muted:#4b5563;--bg:#fff;--bg-subtle:#f9fafb;--border:#e5e7eb;--banner-bg:#fef3c7;--banner-fg:#78350f;--radius:10px;--maxw:880px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--fg:#f3f4f6;--fg-muted:#9ca3af;--bg:#111827;--bg-subtle:#1f2937;--border:#374151;--banner-bg:#422006;--banner-fg:#fde68a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}body{color:var(--fg);background:var(--bg);margin:0;padding:0 20px 96px;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;font-size:16px;line-height:1.8}.demo-banner{color:var(--banner-fg);text-align:center;background:var(--banner-bg);margin:0 -20px 40px;padding:12px 20px;font-size:13px;line-height:1.6}main,.wrap{max-width:var(--maxw);margin:0 auto}h1{margin:0 0 8px;font-size:28px;line-height:1.4}h2{margin:48px 0 12px;font-size:20px;line-height:1.5}h3{margin:32px 0 8px;font-size:17px}p{margin:0 0 16px}.lede{color:var(--fg-muted);margin:0 0 32px;font-size:15px}.callout{border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;background:var(--bg-subtle);margin:0 0 28px;padding:16px 20px;font-weight:600}.callout p{margin:0}.callout .hint{color:var(--fg-muted);margin-top:6px;font-size:14px;font-weight:400}.examples{margin:0 0 28px;padding-left:1.4em}.examples li{margin-bottom:6px}.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:0 0 24px;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-subtle);padding:16px 18px}.card h3{margin:0;font-size:17px}.card-sub{color:var(--fg-muted);margin:2px 0 10px;font-size:13px}.card-spec{margin:0;padding-left:1.2em;font-size:14px;line-height:1.7}.table-scroll{margin:0 0 28px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}caption{color:var(--fg-muted);text-align:left;margin-bottom:8px;font-size:13px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:10px 12px}thead th{white-space:nowrap;background:var(--bg-subtle);font-weight:600}tbody th{white-space:nowrap;font-weight:600}.pending{color:var(--fg-muted);font-size:13px}a{color:var(--brand)}a:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.reveal{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-subtle);margin:56px 0 0}.reveal>summary{cursor:pointer;padding:14px 18px;font-size:15px;font-weight:600}.reveal-body{padding:0 18px 18px}.reveal-body h3{margin:20px 0 8px;font-size:15px}.reveal-body pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border:1px solid var(--border);border-radius:6px;max-height:420px;margin:0;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.7;overflow:auto}.back{margin:48px 0 0;font-size:14px}