:root{--navy: #14315c;--navy-dark: #0d2244;--navy-soft: #2d5490;--accent: #0f7a6c;--gold: #c8952a;--ink: #1c2024;--ink-mute: #5a6270;--ink-faint: #8a919c;--line: #dfe3e9;--bg: #ffffff;--bg-soft: #f5f7fa;--box: #eef4fb;--todo-bg: #fff3bf;--todo-line: #d9a400;--sample-bg: #ffe8e2;--sample-line: #d2542f;--wrap: 1180px;--sidebar: 232px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,Malgun Gothic,맑은 고딕,system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.75;word-break:keep-all;overflow-wrap:break-word}img{max-width:100%;height:auto;display:block}a{color:var(--navy-soft)}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}.site-header 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