:root{--blue: #1a73e8;--blue-dark: #1967d2;--blue-bg: #e8f0fe;--text: #202124;--text-2: #5f6368;--line: #dadce0;--bg: #f8f9fa;--ok: #188038;--bad: #d93025;--warn: #e37400;--top: 56px;--nav: 256px;font-family:Google Sans,Google Sans Text,Roboto,Helvetica Neue,Arial,Noto Sans JP,sans-serif;color:var(--text);font-size:14px}*{box-sizing:border-box}body{margin:0;background:#fff}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}code,.mono{font-family:Roboto Mono,Menlo,Consolas,monospace;font-size:12.5px}code{background:#f1f3f4;padding:1px 5px;border-radius:4px}h1{font-size:22px;font-weight:400;margin:0}h2{font-size:18px;font-weight:400;margin:0}h3{font-size:16px;font-weight:500;margin:0 0 12px;display:flex;align-items:center;gap:8px}.icon{flex:none;vertical-align:middle}.muted{color:var(--text-2)}.small{font-size:12px}.err{color:var(--bad)}.ok-text{color:var(--ok)}.warn-text{color:var(--warn);font-size:12px}.topbar{position:fixed;inset:0 0 auto 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