:root{--bg: #0a0b10;--bg-soft: #11131b;--card: #161924;--border: #232735;--fg: #eef1f7;--muted: #9aa3b8;--accent: #6e8bff;--accent-2: #b07bff;--accent-3: #38e0c4;--radius: 16px;--maxw: 1100px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,Roboto,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}strong{color:#fff;font-weight:700}code,pre{font-family:SF Mono,JetBrains Mono,ui-monospace,Menlo,Consolas,monospace}.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;max-width:var(--maxw);margin:0 auto;padding:18px 24px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#0a0b1099;border-bottom:1px solid 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