*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2433;background:#fafaf7}
a{color:#b4471b}header.top{background:#fff;border-bottom:1px solid #e6e3da}header.top .wrap{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:12px 20px}
header.top .brand{font-weight:700;color:#1d2433;text-decoration:none;margin-right:auto}header.top nav a{margin-right:14px;text-decoration:none;color:#46506a;font-size:15px}
.wrap{max-width:900px;margin:0 auto;padding:0 20px}main{padding:24px 0 48px}h1{font-size:32px;line-height:1.2;margin:.4em 0}h2{margin-top:1.8em}
.crumbs{font-size:14px;color:#6b7280}.lede{font-size:18px;color:#374151}
.notice{background:#fff7e6;border:1px solid #f1d39a;border-radius:8px;padding:12px 14px;font-size:14px;margin:16px 0}
.cta{background:#1d2433;color:#fff;border-radius:12px;padding:20px;margin:28px 0}.cta h3{margin:0 0 6px}.cta p{margin:0 0 12px;color:#d6dbe6}
.btn{display:inline-block;background:#f1641e;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:600;margin:4px 8px 4px 0}.btn.alt{background:transparent;border:1px solid #9aa3b5}
ul.facts li{margin:.45em 0}.src{font-size:13px;color:#6b7280;white-space:nowrap}table{border-collapse:collapse;width:100%;margin:12px 0;background:#fff}th,td{border:1px solid #e6e3da;padding:8px;text-align:left}th{background:#f3f1ea}
.calc{background:#fff;border:1px solid #e6e3da;border-radius:12px;padding:18px;margin:24px 0}.calc h2{margin-top:0}.calc label{display:block;margin:8px 0 2px;font-size:14px;font-weight:600}
.calc input,.calc select{width:100%;max-width:280px;padding:8px;border:1px solid #cfd3dc;border-radius:6px;font-size:16px}.calc .row{display:flex;gap:16px;flex-wrap:wrap}.calc .out{margin-top:14px}
.calc .status{padding:10px;border-radius:8px;margin-top:10px;font-weight:600}.ok{background:#e8f6ec}.warn{background:#fdeceb}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin:12px 0}.card{background:#fff;border:1px solid #e6e3da;border-radius:10px;padding:14px;text-decoration:none;color:inherit}.card strong{display:block;color:#b4471b}
details{background:#fff;border:1px solid #e6e3da;border-radius:8px;padding:10px 14px;margin:8px 0}summary{font-weight:600;cursor:pointer}
footer{border-top:1px solid #e6e3da;background:#fff;font-size:14px;color:#6b7280;padding:20px 0}