:root {
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --bg: #ffffff;
  --accent: #2b50d8;
  --border: #e6e6e6;
  --soft: #fafafa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 28px 20px 64px; }

header.site { border-bottom: 1px solid var(--border); }
header.site .wrap {
  padding-top: 22px;
  padding-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { font-weight: 800; font-size: 20px; text-decoration: none; color: var(--fg); letter-spacing: -0.01em; }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--accent); }

h1 { font-size: 27px; margin: 26px 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 30px 0 8px; }
p, li { color: #333; }
ul { padding-left: 20px; margin: 8px 0; }
li { margin: 4px 0; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }
.lead { font-size: 16px; color: #444; }

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 18px 0;
  background: var(--soft);
}

.btnrow { margin-top: 18px; }
.btnrow a {
  display: inline-block;
  margin: 8px 12px 0 0;
  padding: 11px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 700;
  font-size: 15px;
}
.btnrow a:hover { border-color: var(--accent); color: var(--accent); }

footer.site { border-top: 1px solid var(--border); margin-top: 48px; }
footer.site .wrap { padding: 22px 20px; }
footer.site nav a:first-child { margin-left: 0; }