:root{color-scheme:light;--purple:#5B32B4;--ink:#2B2150;--muted:#6A6293;--line:#E4DAF8;--paper:#FDFBF6}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:AppleSDGothicNeo,"Malgun Gothic",sans-serif;font-size:16px;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--purple);text-underline-offset:4px}
a:focus-visible{outline:3px solid var(--purple);outline-offset:5px}
.skip{position:absolute;top:-80px;left:16px;background:white;padding:12px}.skip:focus{top:12px}
header,main,footer{max-width:820px;margin:auto;padding:24px}
header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}
.brand{font-size:22px;font-weight:800;text-decoration:none}
main{padding-top:48px;padding-bottom:64px}
h1{font-size:clamp(30px,6vw,44px);line-height:1.25;letter-spacing:-.04em;margin:0 0 18px}
h2{font-size:22px;line-height:1.4;margin:40px 0 12px;letter-spacing:-.02em}
p,ul,ol{margin:12px 0}li+li{margin-top:8px}
.date{color:var(--muted);font-size:14px}
.intro{font-size:18px}.notice{border-left:4px solid var(--purple);background:#F2ECFD;padding:16px 20px;margin:24px 0}
nav{display:flex;flex-wrap:wrap;gap:10px 22px;margin:24px 0}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:flex;flex-wrap:wrap;gap:12px 24px}
.action{display:inline-block;background:var(--purple);color:white;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:700}
@media(max-width:480px){header,main,footer{padding-left:20px;padding-right:20px}main{padding-top:32px}header{align-items:flex-start}ul,ol{padding-left:22px}}