:root{--background: #f7f8fa;--surface: #ffffff;--ink: #172126;--muted: #52616b;--line: #dbe1e6;--accent: #b83e16;--orange: #ff6b2c;--soft-orange: #fff0e9;--stage: #eef0f3;--focus: #1b62b9;--font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Hiragino Kaku Gothic ProN", "Malgun Gothic", "Yu Gothic", system-ui, sans-serif;font-family:var(--font);color:var(--ink);background:var(--background);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{margin:0;font-size:16px;line-height:1.7}h1,h2,h3,p,figure{margin:0}h1,h2,h3,figcaption,.intro{text-wrap:balance}p,li{text-wrap:pretty}a{color:inherit;text-decoration:none;overflow-wrap:break-word}img,svg{display:block;max-width:100%}img{height:auto}button,a,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid 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