:root{color-scheme:light;--bg:#ffffff;--text:#0f172a;--muted:#475569;--border:#dbe4f0;--card:#f8fafc;--accent:#14532d;--accent-soft:#ecfdf3}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Inter,Noto Sans JP,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(1100px,100% - 2rem);margin:0 auto}.site-header{border-bottom:1px solid var(--border);background:#fff}.site-header-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 0}.site-brand{font-weight:800;letter-spacing:.02em;white-space:nowrap;flex-shrink:0}.site-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.9rem;color:var(--muted);min-width:0}.site-footer{border-top:1px solid var(--border);margin-top:2rem}.site-footer-inner{padding:1.2rem 0;color:var(--muted);font-size:.9rem}.section{padding:3.5rem 0}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2,.grid-3{display:grid;gap:1rem}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.grid-2>*,.grid-3>*{min-width:0}.card{border:1px solid var(--border);border-radius:14px;background:#fff;padding:1rem}.muted{color:var(--muted)}.badge{display:inline-flex;align-items:center;padding:.25rem .6rem;border-radius:999px;background:var(--accent-soft);color:var(--accent);border:1px solid #bbf7d0;font-size:.82rem}.badge,.btn{font-weight:600}.btn{border:1px solid #14532d;background:#166534;color:#fff;border-radius:10px;padding:.68rem 1rem;cursor:pointer;font-size:.94rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{color:var(--text)}.btn-secondary,.field{border:1px solid var(--border);background:#fff}.field{width:100%;border-radius:10px;padding:.62rem .75rem;font:inherit}.hero{padding:3.5rem 0 2.5rem}.hero h1{font-size:clamp(1.8rem,3.5vw,3rem);margin:.5rem 0 1rem;line-height:1.15}.hero p{margin:0;color:var(--muted);line-height:1.7}.table{width:100%;border-collapse:collapse}.table td,.table th{border:1px solid var(--border);padding:.75rem;text-align:left}.table th{background:var(--card)}code{background:#f1f5f9;border-radius:8px;padding:.1rem .35rem}pre{overflow:auto;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:.9rem;font-size:.88rem;max-width:100%}.code-scroll-container{width:100%;max-width:100%;min-width:0;overflow-x:auto;overflow-y:hidden}.code-scroll-container>pre{margin:0;width:max-content;min-width:100%;max-width:none;overflow:visible}.source-scroll-container{max-height:420px;overflow-y:auto}.source-scroll-container>pre{min-height:100%;white-space:pre}.svg-preview-frame{border:1px solid #dbe4f0;border-radius:12px;padding:.7rem;min-height:280px;height:clamp(320px,60vh,680px);display:grid;place-items:center;overflow:auto;background:linear-gradient(45deg,#f8fafc 25%,transparent 0),linear-gradient(-45deg,#f8fafc 25%,transparent 0),linear-gradient(45deg,transparent 75%,#f8fafc 0),linear-gradient(-45deg,transparent 75%,#f8fafc 0);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.svg-preview-image{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100% - .2rem);object-fit:contain}@media (max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}.site-header-inner{flex-direction:column;align-items:stretch;gap:.7rem}.site-brand{text-align:center}.site-nav{justify-content:center;row-gap:.6rem;column-gap:.8rem;font-size:.95rem}.site-footer-inner{text-align:center}.source-scroll-container{max-height:320px}}