:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #080d13; color: #f0f6fb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 28px; background: radial-gradient(ellipse at 50% 0%, #133646 0%, #080d13 65%); }
.card { width: min(100%, 640px); padding: clamp(26px, 6vw, 54px); border: 1px solid #29434f; border-radius: 24px; background: #0d151e; box-shadow: 0 28px 90px #0007; }
.brand { display: flex; align-items: center; gap: 14px; font-size: 13px; font-weight: 650; letter-spacing: .22em; }
.mark { display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; border: 1px solid #3ecdea66; border-radius: 11px; color: #75e4fa; letter-spacing: 0; background: #12303c; }
.status { display: inline-flex; align-items: center; gap: 8px; margin-top: 46px; padding: 8px 12px; font-size: 13px; color: #a4dfed; border: 1px solid #294752; border-radius: 999px; background: #10242e; }
.status span { width: 6px; height: 6px; border-radius: 50%; background: #6edbf0; }
h1 { margin: 20px 0 18px; font-size: clamp(32px, 7vw, 46px); line-height: 1.12; letter-spacing: -.035em; font-weight: 650; }
p { margin: 0 0 14px; font-size: 18px; line-height: 1.6; color: #d3e0e9; }
.detail { font-size: 15px; color: #a6b9c6; }
.notice { margin-top: 28px; padding: 16px 18px; border: 1px solid #263a47; border-radius: 12px; background: #111f2b; color: #c0d3df; font-size: 14px; line-height: 1.5; }
footer { margin-top: 36px; border-top: 1px solid #21313e; padding-top: 22px; color: #8da6b6; font-size: 12px; }
@media (max-width: 400px) { body { padding: 16px; } .card { border-radius: 18px; } .brand { letter-spacing: .16em; font-size: 12px; } }