:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#071114;color:#eef8f6}*{box-sizing:border-box}body{margin:0}main{width:min(100%,42rem);margin:6vh auto;padding:clamp(20px,5vw,40px)}.mark{display:block}.eyebrow{color:#44e5c8;letter-spacing:.1em;font-size:.8rem}h1{font-size:clamp(1.7rem,5vw,2.5rem);line-height:1.15}p,li{line-height:1.6}ul{padding-left:1.3rem}.notice{border-left:3px solid #44e5c8;padding:12px;background:#102326}nav{display:flex;flex-wrap:wrap;gap:12px}a{color:#44e5c8;padding:10px 0;overflow-wrap:anywhere}a:focus-visible{outline:3px solid #eef8f6;outline-offset:4px}