:root{--a:#1f5fae;--d:#14304f;--h:#7fd1ae}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1d2330;background:#fbfbfd}
a{color:var(--a)}a:hover{text-decoration-thickness:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}.narrow{max-width:820px}
header.top{background:var(--d);color:#fff}.bar{display:flex;flex-wrap:wrap;gap:6px 22px;align-items:center;padding:12px 18px}
.logo{color:#fff;font-weight:800;font-size:21px;text-decoration:none;letter-spacing:-.3px}.logo b{color:var(--h)}
.mn{display:flex;flex-wrap:wrap;gap:4px 16px}.mn a{color:#e9eef7;text-decoration:none;font-size:15px}.mn a[aria-current]{color:#fff;font-weight:700;text-decoration:underline}
.disc{background:#fff8e1;border-bottom:1px solid #ecd9a0;font-size:15px}.disc p{margin:0;padding:9px 0}
main{padding:10px 18px 40px}h1{font-size:32px;line-height:1.2;margin:18px 0 8px;letter-spacing:-.4px}
h2{font-size:24px;margin:34px 0 8px;line-height:1.25}h3{font-size:19px;margin:24px 0 6px}
.lede{font-size:19px;color:#3a4252}.meta{font-size:14px;color:#5a6272}
.crumb{font-size:14px;margin-top:10px;color:#5a6272}
.tw{overflow-x:auto;margin:14px 0}table{border-collapse:collapse;width:100%;font-size:15px;background:#fff}
th,td{border:1px solid #dfe3ea;padding:8px 10px;text-align:left;vertical-align:top}thead th{background:#eef1f6}
.card{background:#fff;border:1px solid #dfe3ea;border-radius:10px;padding:14px 18px;margin:16px 0}
.card h3{margin-top:4px}.rk{display:inline-block;min-width:30px;font-weight:800;color:var(--a)}
.note{background:#eef4ff;border-left:4px solid var(--a);padding:10px 14px;margin:16px 0}
.warn{background:#fff1f0;border-left:4px solid #c0392b;padding:10px 14px;margin:16px 0}
.src{font-size:14px}.src li{margin:4px 0}.ns{color:#8a5a00;font-style:italic}
.btn{display:inline-block;background:var(--a);color:#fff;padding:8px 14px;border-radius:8px;text-decoration:none;font-weight:700}
.btn:hover{background:var(--d)}ul.pc{padding-left:20px}
footer{background:#eef1f6;font-size:14px;padding:18px 0;margin-top:30px}footer p{margin:8px 0}
@media(max-width:600px){h1{font-size:26px}body{font-size:16px}}