:root { --ink: #1b1d23; --muted: #5f6675; --line: #e1e5ee; --accent: #3b5bdb; --bg: #f4f6fb; }
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.75 "Malgun Gothic", "맑은 고딕", "Apple SD Gothic Neo", system-ui, sans-serif;
}
header { background: #fff; border-bottom: 1px solid var(--line); }
header .in, main, footer .in { max-width: 820px; margin: 0 auto; padding: 0 20px; }
header .in { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
.logo { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; display: inline-flex; align-items: center; justify-content: center; }
nav a { color: var(--muted); text-decoration: none; margin-left: 14px; font-size: 15px; }
nav a:hover, nav a.on { color: var(--accent); }
main { padding-top: 34px; padding-bottom: 40px; }
h1 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.4px; }
h2 { font-size: 20px; margin: 34px 0 10px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
.lead { color: var(--muted); font-size: 17px; margin: 0 0 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; margin: 16px 0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; padding: 0; list-style: none; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.steps b { display: block; }
.steps span { color: var(--muted); font-size: 14.5px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: #f8f9fd; width: 30%; }
a { color: var(--accent); }
.note { color: var(--muted); font-size: 14.5px; }
footer { border-top: 1px solid var(--line); background: #fff; }
footer .in { padding-top: 18px; padding-bottom: 26px; color: var(--muted); font-size: 14px; }
footer a { margin-right: 14px; }
@media (max-width: 560px) { h1 { font-size: 23px; } nav a { margin: 0 12px 0 0; } }