:root{--sand:#fbf7ef;--ink:#1d2b2a;--sea:#0f6b6b;--reef:#d9622b;--line:#e3dccb;--mut:#5c6b69}
*{box-sizing:border-box}body{margin:0;background:var(--sand);color:var(--ink);font:17px/1.65 Georgia,'Iowan Old Style',serif}
.wrap{max-width:720px;margin:0 auto;padding-inline:18px}
header{border-bottom:3px solid var(--sea);background:#fff}
header .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;padding-block:14px}
.brand{font:700 19px/1.2 system-ui,sans-serif;color:var(--sea);text-decoration:none;letter-spacing:.01em}
nav{display:flex;flex-wrap:wrap;gap:4px 14px}nav a{font:14px system-ui,sans-serif;color:var(--ink);text-decoration:none}
nav a:hover{color:var(--reef)}
.notice{font:13px/1.5 system-ui,sans-serif;background:#e6f1ef;color:#244;padding:8px 12px;border-radius:4px;margin:18px 0}
h1{font-size:32px;line-height:1.2;margin:18px 0 8px;text-wrap:balance}h2{font-size:22px;margin:30px 0 8px;color:var(--sea)}
a{color:var(--sea)}table{border-collapse:collapse;width:100%;font:15px/1.45 system-ui,sans-serif;margin:12px 0}
th,td{border-bottom:1px solid var(--line);padding:7px 6px;text-align:left;vertical-align:top}th{color:var(--mut);font-weight:600}
.lead{font-size:19px;color:#334}.src{font:14px/1.5 system-ui,sans-serif;border-top:1px solid var(--line);margin-top:36px;padding-top:10px}
.src ol{padding-left:20px}.box{border-left:4px solid var(--reef);background:#fff;padding:10px 14px;margin:20px 0}
footer{font:13px system-ui,sans-serif;color:var(--mut);border-top:1px solid var(--line);margin-top:40px;padding-block:18px}
ul.cards{list-style:none;padding:0;display:grid;gap:12px}ul.cards li{background:#fff;border:1px solid var(--line);padding:12px 14px;border-radius:4px}