:root{--bg:#101412;--panel:#1c211e;--text:#e0e3df;--muted:#bec9c2;--line:#3f4944;--accent:#a1f4d0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 Arial,sans-serif}.wrap{width:min(900px,calc(100% - 32px));margin:auto}header{border-bottom:1px solid var(--line)}header .wrap{min-height:72px;display:flex;justify-content:space-between;align-items:center;gap:16px}a{color:var(--accent)}.brand{color:#fff;font-weight:bold;text-decoration:none}main{padding:56px 0}h1,h2{color:#fff;line-height:1.25}h1{font-size:clamp(32px,5vw,46px);margin:0 0 16px}h2{font-size:24px;margin:38px 0 10px}p{color:var(--muted)}.intro{font-size:19px}.date{font-size:14px}.notice{margin:26px 0;padding:16px;border:1px solid #477866;border-radius:10px;background:#17241e;color:var(--text)}footer{border-top:1px solid var(--line);padding:30px 0;background:#0b0f0d;font-size:14px}footer nav{display:flex;flex-wrap:wrap;gap:8px 18px}@media(max-width:600px){header .wrap{min-height:62px}main{padding:38px 0}}