:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #08232f; color: #f5f9fc; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; padding: 24px; }
main { width: min(100%, 700px); text-align: center; padding: clamp(28px, 6vw, 64px); border: 1px solid #315565; border-radius: 24px; background: linear-gradient(150deg, #103b47, #0b2936 65%); }
img { object-fit: contain; }
.brand { color: #7fd3ff; letter-spacing: .08em; font-size: .9rem; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; }
p { line-height: 1.6; }
.notice { color: #bfd2dc; margin-top: 32px; }