@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;500&display=swap";:root{--text-primary: #111111;--text-secondary: #666666;--text-tertiary: #999999;--bg-primary: #ffffff;--bg-secondary: #f6f6f6;--bg-code: #fafafa;--accent-black: #000000;--grid-color: rgba(0, 0, 0, .04);--border-light: rgba(0, 0, 0, .06);--font-main: "Inter", "Noto Sans JP", sans-serif;--font-mono: "Source Code Pro", monospace;--card-radius: 16px;--content-width: 720px;--wide-width: 960px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.grid-bg{position:fixed;inset:0;background-image:linear-gradient(var(--grid-color) 1px,transparent 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