:root{color-scheme:dark;font-family:system-ui,'Yu Gothic',sans-serif;background:#0c1219;color:#e0e8f0;line-height:1.85}*{box-sizing:border-box}body{margin:0}a{color:#ebce88;text-underline-offset:4px}header,main,footer{max-width:1050px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #58616e;font-size:14px}header>a{font-weight:800;letter-spacing:2px;text-decoration:none}header span{color:#b6c6d3}.hero{padding:56px 0 32px}h1{font-size:clamp(30px,6vw,62px);line-height:1.35;color:#f2d68f;margin:16px 0 24px}h2{font-size:clamp(23px,3vw,32px);line-height:1.5}h3{font-size:18px}.eyebrow{color:#c0ab75;letter-spacing:3px;font-size:12px}p{max-width:78ch}nav{display:flex;flex-wrap:wrap;gap:12px 24px;padding:20px 0;border-block:1px solid #58616e}nav a{display:inline-block;padding:6px 0;min-height:44px}section{padding:26px 0;scroll-margin-top:16px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}article,.notice{background:#17212d;border:1px solid #697486;border-radius:12px;padding:20px}.notice{border-color:#967b44}article h3{color:#f2d68f}details{border-bottom:1px solid #58616e;padding:12px 0}summary{cursor:pointer;padding:10px 0;font-weight:600}footer{border-top:1px solid #58616e;font-size:13px;color:#b6c6d3}a:focus-visible,summary:focus-visible{outline:3px solid #f2d68f;outline-offset:4px}@media(max-width:600px){header,main,footer{padding:18px}.hero{padding-top:26px}.grid{grid-template-columns:1fr}header{flex-wrap:wrap}article,.notice{padding:16px}}