:root{color:#242424;font-synthesis:none;--accent:#b8440a;--line:#e5e5e5;background:#fff;font-family:Arial,Noto Sans JP,Meiryo,sans-serif;line-height:1.75}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;max-width:1200px;margin:auto;padding:24px 28px;display:flex}.brand{align-items:center;gap:8px;font-size:20px;font-weight:700;text-decoration:none;display:flex}.brand b{color:var(--accent)}.mark{background:var(--accent);color:#fff;border-radius:9px;place-items:center;width:34px;height:34px;display:grid}nav{flex-wrap:wrap;gap:24px;font-size:14px;display:flex}.guide-toc{display:block}.guide-toc ol{padding-left:0;list-style:none}.guide-toc a{white-space:normal}.guide-toc li,.guide-tools li{margin-block:10px}.prose{overflow-wrap:anywhere}main{max-width:1144px;margin:auto;padding:36px 24px 80px}h1{letter-spacing:-.03em;margin:16px 0;font-size:clamp(30px,4vw,48px);line-height:1.4}h2{margin:0 0 22px;font-size:24px}h3{font-size:18px;line-height:1.6}p{color:#565656}.eyebrow{color:var(--accent);letter-spacing:.12em;font-size:13px;font-weight:700}.hero{max-width:800px;padding:26px 0 40px}.hero p{font-size:17px}.search{gap:12px;margin-top:28px;display:flex}.search input{border:1px solid #999;border-radius:10px;width:100%;padding:18px;font-size:17px}.pill{color:#555;background:#f3f3f3;border-radius:24px;padding:6px 12px;font-size:13px;display:inline-block}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.card{border:1px solid var(--line);border-radius:12px;padding:24px;text-decoration:none;transition:border-color .15s,background .15s}.card:hover{border-color:var(--accent);background:#fffaf7}.card p{margin-bottom:0;font-size:14px}.card h3{margin:14px 0 8px}.section{margin:44px 0}.sectionhead{justify-content:space-between;align-items:baseline;gap:16px;display:flex}.muted{color:#676767;font-size:14px}.categories{flex-wrap:wrap;gap:10px;display:flex}button,.button{font:inherit;cursor:pointer;background:#fff;border:1px solid #aaa;border-radius:8px;padding:10px 18px;text-decoration:none}button.active,.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button:hover{filter:brightness(.95)}:focus-visible{outline-offset:3px;outline:3px solid #165da7}.notice{background:#f7f7f7;border-radius:8px;padding:18px 22px;font-size:14px}.split{grid-template-columns:1fr 1fr;gap:28px;display:grid}.panel{border:1px solid var(--line);border-radius:12px;padding:28px}.inputs{grid-template-columns:1fr 1fr;gap:18px;display:grid}label{font-size:14px;font-weight:600;display:block}input,select,textarea{font:inherit;color:#242424;background:#fff;border:1px solid #999;border-radius:6px;width:100%;max-width:100%;padding:11px}textarea{min-height:170px}label small{color:#666;font-weight:400;display:block}form .primary{width:100%;margin-top:24px}.result{background:#fff8f3;border:1px solid #f0d5c4}.big{color:var(--accent);overflow-wrap:anywhere;font-size:clamp(32px,4vw,48px);font-weight:700}.result dl{grid-template-columns:1fr auto;gap:12px;display:grid}.result dt,.result dd{border-bottom:1px solid #e7d9d0;margin:0;padding:8px 0}.actions{flex-wrap:wrap;gap:8px;display:flex}.error{color:#a41616}footer{background:#f7f7f7;padding:40px max(24px,50vw - 548px)}footer div{flex-wrap:wrap;gap:22px;margin:24px 0;font-size:14px;display:flex}footer small{color:#666}.skip{position:absolute;top:-100px}.skip:focus{z-index:20;background:#fff;padding:12px;top:0}.breadcrumbs{color:#666;font-size:14px}.prose{max-width:780px}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px}[hidden]{display:none!important}@media (width<=740px){header{flex-wrap:wrap;gap:12px;padding:16px}.brand{font-size:16px}nav{flex-wrap:wrap;gap:12px;font-size:13px}nav a{white-space:nowrap}main{padding:24px 16px 48px}.hero{padding-top:8px}.grid,.split,.inputs{grid-template-columns:1fr}.panel{padding:20px}.section{margin:32px 0}h2{font-size:21px}.card{padding:20px}.sectionhead{display:block}}