:root{color-scheme:light dark;font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}
body{margin:0;background:#f5f7fb;color:#182235}
main{max-width:880px;margin:auto;padding:28px 24px 84px}
header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid #cbd5e1}
.brand{font-weight:750;letter-spacing:.03em;text-decoration:none;color:inherit}
header nav{display:flex;flex-wrap:wrap;gap:16px}
a{color:#1450a3;text-underline-offset:3px;overflow-wrap:anywhere}
h1{font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin:36px 0 12px}
h2{font-size:1.4rem;line-height:1.35;margin:42px 0 14px}
h3{font-size:1.08rem;line-height:1.4;margin:24px 0 10px}
p{margin:0 0 16px}
li{margin:8px 0}
.meta{color:#4b586d}
.lead{font-size:1.1rem}
.notice{padding:16px 20px;margin:26px 0;border-left:4px solid #336fc1;border-radius:5px;background:#e7f0ff}
.contents{padding:12px 20px;margin:30px 0;border:1px solid #cbd5e1;border-radius:10px}
.contents h2{margin:4px 0 8px}
.contents ol{columns:2;column-gap:28px;padding-left:22px}
section{scroll-margin-top:20px}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.94rem}
th,td{text-align:left;vertical-align:top;padding:12px 10px;border-bottom:1px solid #cbd5e1}
th{font-weight:700}
address{font-style:normal;margin:16px 0}
footer{border-top:1px solid #cbd5e1;padding-top:20px;margin-top:48px;color:#4b586d}
@media(max-width:650px){header{display:block}.contents ol{columns:1}table{display:block;overflow-x:auto}main{padding:18px 18px 64px}}
@media(prefers-color-scheme:dark){body{background:#101726;color:#e8edf8}.meta,footer{color:#acb9d0}.notice{background:#182c48}.contents,header,th,td,footer{border-color:#3b4a64}a{color:#9dc4ff}}
@media print{body{background:#fff;color:#000;font-size:11pt}main{max-width:none;padding:0}header,.contents{display:none}h2,h3{break-after:avoid}a{color:#000}.notice{background:#fff}}