:root{--navy:#0A1430;--cobalt:#3B5BFF;--ink:#0E1428;--muted:#5A6178;--line:#E3E6EF;--mist:#F5F6FA}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--cobalt)}
.top{background:var(--navy);padding:22px 0}
.top a{color:#fff;text-decoration:none;font:600 22px/1 'Outfit',system-ui,sans-serif;letter-spacing:-0.04em}
.wrap{max-width:780px;margin:0 auto;padding:0 24px}
main{padding:64px 0 96px}
h1{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:clamp(40px,6vw,56px);line-height:1.05;margin:0 0 8px}
.updated{color:var(--muted);font-size:14px;margin:0 0 40px}
h2{font-size:19px;font-weight:600;margin:40px 0 10px}
p,li{color:#2A3048}
ul{padding-left:20px}
.todo{background:#FFF3BF;color:#7A5200;border-radius:4px;padding:1px 6px;font-weight:500}
.box{background:var(--mist);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:20px 0}
footer{border-top:1px solid var(--line);padding:28px 0;font-size:14px;color:var(--muted)}
footer nav{display:flex;gap:24px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}
@media (max-width:520px){.wrap{padding:0 16px}main{padding:44px 0 72px}}