:root{color-scheme:light;font-family:system-ui,sans-serif;color:#183047;background:#f3f6fa}*{box-sizing:border-box}body{margin:0}main{max-width:820px;margin:48px auto;padding:32px;background:white;border:1px solid #dce4ed;border-radius:16px}header{border-bottom:1px solid #dce4ed;margin-bottom:28px;padding-bottom:20px}.label{color:#456781;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}h1{font-size:clamp(2rem,6vw,3rem);line-height:1.1;margin:12px 0}h2{font-size:1.2rem;margin-top:28px}p,li{line-height:1.7}a{color:#1255a0;text-underline-offset:3px}a:focus-visible{outline:3px solid #1255a0;outline-offset:4px}.note{padding:16px;background:#edf4fb;border-left:4px solid #427bb1}footer{margin-top:32px;border-top:1px solid #dce4ed;padding-top:18px;color:#456781;font-size:.9rem}@media(max-width:600px){main{margin:16px;padding:24px}}