:root{--bg:#f8f8f3;--ink:#182d36;--muted:#52646a;--line:#d9e1df;--teal:#126a61;--pale:#e6f4ed;--purple:#6652b4;--white:#fff;--radius:18px;font-family:Inter,'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 21px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);text-decoration:none;font-weight:700;cursor:pointer}button:hover,.button:hover{border-color:var(--teal);background:#f2faf6}button:disabled{cursor:default;opacity:.45}.primary{background:var(--teal);color:#fff;border-color:var(--teal)}.primary:hover{background:#0a554d;color:#fff}:focus-visible{outline:3px solid 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p{font-size:13px;color:var(--muted);margin:8px 0}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.article-link{padding:21px 24px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none}.article-link span{font-size:11px;color:var(--teal);display:block;margin-bottom:4px}footer{border-top:1px solid var(--line);margin-top:50px;padding:28px 0;color:var(--muted);font-size:12px}footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.breadcrumb{font-size:12px;color:var(--muted);padding-top:25px}.tool-intro{padding:38px 0 20px;max-width:840px}.tool-intro h1{font-size:36px}.doc{max-width:820px;margin:auto}.doc section{padding:24px 0;border-bottom:1px solid var(--line)}.doc p,.doc li{font-size:15px}.doc pre{overflow:auto;background:#edf1e9;padding:20px;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere}.callout{padding:18px 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