:root{color-scheme:light;--ink:#222;--sub:#666;--acc:#d62f2f;--band:#fdf1d8;--line:#ddd}
*{box-sizing:border-box}body{margin:0;background:#fffdf7;color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;line-height:1.7;font-size:16px}
header{background:#1d1d1f;color:#fff;padding:12px 16px}header a{color:#fff;text-decoration:none;font-weight:bold}
main{max-width:980px;margin:0 auto;padding:16px}
h1{font-size:1.5rem;margin:8px 0 4px}h2{font-size:1.25rem;background:var(--band);padding:6px 12px;border-radius:6px;margin:36px 0 10px}
h3{font-size:1.05rem;border-left:5px solid var(--acc);padding-left:8px;margin:18px 0 8px}
.lead{color:var(--sub);font-size:.92rem}.toc{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.toc a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:3px 12px;text-decoration:none;color:var(--ink);font-size:.9rem}
table{border-collapse:collapse;width:100%;background:#fff}td,th{border:1px solid #bbb;padding:6px 10px;text-align:left}th{background:#eee}td.b{width:28%}
.flow{background:#f3f3f3;border-radius:6px;padding:8px 12px;font-size:.95rem;margin-top:8px}
.video{position:relative;padding-top:56.25%;margin:8px 0}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:8px}
.soon{background:#f3f3f3;border-radius:8px;padding:12px;color:var(--sub);font-size:.92rem}
.sc{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:0 0 12px}
.lab{display:inline-block;background:#f0a500;color:#fff;font-weight:bold;border-radius:12px;padding:0 12px;margin-bottom:6px}
.row{display:flex;gap:16px;align-items:flex-start}.figcol{flex:0 0 42%;max-width:42%;overflow:hidden}.txt{flex:1;min-width:0}
.figcol .fig{height:auto!important;margin:0!important;padding:0!important;background:none!important;box-shadow:none!important}
.figcol svg{width:100%;height:auto;display:block}
.eq{margin:6px 0;overflow-x:auto;overflow-y:hidden}.txt [style*="font-size"]{font-size:1rem!important}
.note{background:#fff6db;border-left:5px solid #f0a500;padding:6px 10px;margin:8px 0;border-radius:4px}
.ans{display:inline-block;color:var(--acc);border:2px solid var(--acc);border-radius:8px;padding:6px 12px;margin:8px 0;overflow-x:auto;max-width:100%}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;text-decoration:none;color:var(--ink)}
.card b{font-size:1.15rem}.crumb{font-size:.85rem;color:var(--sub);margin:4px 0}.crumb a{color:var(--sub)}
.pn{display:flex;justify-content:space-between;gap:8px;margin:24px 0;font-size:.95rem}.pn a{color:var(--ink)}
footer{color:var(--sub);font-size:.85rem;text-align:center;padding:30px 16px}
@media (max-width:700px){.row{display:block}.figcol{max-width:100%;margin-bottom:8px}td.b{width:34%}}