:root {
  --bg: #ffffff;
  --text: #1c1c1e;
  --muted: #6b6b70;
  --line: #e3e3e6;
  --link: #1a4f8b;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --text: #ececee;
    --muted: #9b9ba1;
    --line: #2c2c30;
    --link: #8ab4e8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}
header, main, footer { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
  font-size: 14px;
}
header .brand { font-weight: 600; color: var(--text); text-decoration: none; }
header .langs a { margin-left: 12px; }
main { padding-top: 32px; padding-bottom: 48px; }
footer {
  padding-top: 20px; padding-bottom: 40px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
footer a { margin-right: 14px; }
a { color: var(--link); }
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 40px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 8px; }
p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 4px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.table-wrap { overflow-x: auto; margin: 0 0 16px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.55; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border: 1px solid var(--line); }
th { font-weight: 600; }
/* 출시 전에 채워야 하는 값. `grep -rn 'class="todo"' site`로 남은 것을 찾는다. */
.todo { background: #fff2a8; color: #1c1c1e; padding: 0 3px; }