:root {
  /* 문법콕 앱: 흰 바탕, 옅은 회색 면, 남색은 링크·초점에만. */
  --canvas: #fff;
  --surface: #f4f5f7;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #3346d3;
  font-family: "Pretendard", system-ui, -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--canvas);
  color-scheme: only light;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: 720px; margin: auto; padding-inline: 20px; }
.top { border-bottom: 1px solid var(--line); }
.top .wrap { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 16px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; color: var(--muted); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); font-weight: 600; }
.page { padding-block: 40px 64px; }
h1 { font-size: 26px; line-height: 1.3; margin: 0 0 8px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
h2 { font-size: 17px; margin: 32px 0 10px; padding-top: 28px; border-top: 1px solid var(--line); }
p, li { font-size: 16px; line-height: 1.65; word-break: keep-all; overflow-wrap: anywhere; }
ul { padding-left: 22px; }
li + li { margin-top: 6px; }
.table-scroll { overflow-x: auto; margin: 16px 0; }
table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 14px; line-height: 1.55; }
th, td { text-align: left; vertical-align: top; border: 1px solid var(--line); padding: 10px; word-break: keep-all; }
thead th { background: var(--surface); }
.footer { border-top: 1px solid var(--line); padding-block: 20px 40px; color: var(--muted); font-size: 13px; }