:root{--bg:#fafaf8;--fg:#1f1f1f;--muted:#6b6b6b;--line:#dedbd4;--card:#fff;--accent:#2a6f5b;--warn:#b4462b}@media (prefers-color-scheme:dark){:root{--bg:#161616;--fg:#ececec;--muted:#a0a0a0;--line:#333;--card:#1f1f1f;--accent:#6cc3a6;--warn:#ef8a6f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.7 system-ui,Hiragino Sans,Noto Sans JP,sans-serif}main{max-width:860px;margin:0 auto;padding:24px 16px 80px}h1{font-size:22px;margin:0 0 20px}h2{font-size:17px;margin:28px 0 10px}section{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}label{display:block;font-weight:600;margin:10px 0 4px}input,textarea{width:100%;font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}textarea{min-height:180px}button{font:inherit;padding:8px 16px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}button.sub{background:transparent;color:var(--accent);padding:2px 10px;font-size:13px}button:disabled{opacity:.5;cursor:default}.row{display:flex;gap:8px;align-items:flex-start;justify-content:space-between}.val{white-space:pre-wrap;word-break:break-word;flex:1 1}.note{color:var(--muted)}.note,.warn{font-size:13px}.warn{color:var(--warn)}ol,ul{padding-left:1.4em;margin:6px 0}.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));grid-gap:8px;gap:8px}.thumbs figure{margin:0;font-size:12px}.thumbs img{width:100%;aspect-ratio:1;object-fit:contain;border:1px solid var(--line);border-radius:6px;background:#fff}h3{font-size:15px;margin:0 0 8px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}