:root { --bg: #F7F6F2; --surface: #FFFFFF; --ink: #14171F; --ink-2: #4B4F58; --line: rgba(20, 23, 31, 0.10); --accent: #FF6B47; --teal: #21C7A8; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); color: var(--ink); font: 15px/1.55 'IBM Plex Sans', system-ui, sans-serif; }
h1 { font-family: 'Space Grotesk', system-ui, sans-serif; letter-spacing: -0.015em; }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
main { flex: 1; padding-bottom: 48px; }
.intro { padding: 36px 0 20px; }
.intro h1 { margin: 0 0 8px; font-size: clamp(28px, 5vw, 38px); line-height: 1.12; }
.intro p { margin: 0; color: var(--ink-2); }
.player { scroll-margin-top: 16px; }
.player video { display: block; width: 100%; max-height: 78vh; border-radius: 14px; background: #000; }
.repo { margin: 20px 0 0; display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; color: var(--ink-2); }
.repo a { color: var(--ink); font-weight: 600; word-break: break-all; }
.foot { border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-2); }
.foot .wrap { padding-top: 20px; padding-bottom: 20px; }