:root{color-scheme:light;--ink:#152535;--muted:#526575;--accent:#175bce;--line:#d9e3ed;--paper:#fff;--wash:#f3f7fb}*{box-sizing:border-box}body{margin:0;background:var(--wash);color:var(--ink);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header,main,footer{max-width:1040px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font-size:20px;font-weight:750;text-decoration:none;color:var(--ink)}.mark{display:inline-grid;place-items:center;background:var(--ink);color:white;width:40px;height:40px;border-radius:10px;margin-right:12px;font-size:16px}nav{display:flex;flex-wrap:wrap;gap:20px;font-size:15px}main{padding-top:52px;padding-bottom:64px}h1{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.13;letter-spacing:-.035em;margin:12px 0 20px}h2{font-size:1.45rem;line-height:1.3;margin:32px 0 12px}h3{font-size:1.08rem;margin:20px 0 6px}p{margin:0 0 18px}.eyebrow{font-size:14px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}.intro{max-width:640px;color:var(--muted);font-size:20px}.notice{background:#fff5d9;border-left:4px solid #a56e08;padding:14px 18px;margin-bottom:30px;font-size:15px}.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px;margin-top:30px}.card h2{margin-top:0}.links{display:flex;flex-wrap:wrap;gap:24px}.tag{color:var(--muted);font-size:14px}.article{max-width:760px}.article li{margin-bottom:10px}details{border-top:1px solid var(--line);padding:18px 0}summary{font-weight:650;cursor:pointer}details p{margin:14px 0 0}.contact{overflow-wrap:anywhere}footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;padding:12px;z-index:5}@media(max-width:600px){header,main,footer{padding-left:22px;padding-right:22px}header{align-items:flex-start;flex-direction:column;gap:12px}main{padding-top:32px}.card{padding:22px}.intro{font-size:18px}.mark{width:32px;height:32px}nav{gap:16px}}