:root{color-scheme:light;--navy:#22283b;--blue:#344f78;--muted:#526078;--line:#dce4ef}*{box-sizing:border-box}body{margin:0;background:#f8fafc;color:var(--navy);font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.7}header{background:var(--navy);padding:24px max(24px,calc((100vw - 860px)/2))}header img{width:150px;height:auto}main{max-width:860px;margin:0 auto;padding:48px 24px 72px}h1{font-size:clamp(30px,5vw,44px);line-height:1.15;letter-spacing:-.025em}h2{font-size:22px;margin-top:36px;line-height:1.3}.meta{color:var(--muted);font-size:14px}.intro{font-size:18px}.notice{border-left:4px solid #89aad9;padding:16px 20px;background:#eaf0f8}a{color:var(--blue);text-underline-offset:3px}header a{display:inline-block}li{margin:9px 0}footer{border-top:1px solid var(--line);padding-top:24px;margin-top:40px;display:flex;gap:24px;flex-wrap:wrap}a:focus-visible{outline:3px solid #5275a7;outline-offset:5px}@media(max-width:480px){main{padding-top:28px}}