:root {
  color-scheme: light;
  --ink: #1f2937;
  --muted: #64748b;
  --paper: #fffaf2;
  --line: #e2e8f0;
  --blue: #2563eb;
  --orange: #f97316;
  --green: #047857;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(191, 219, 254, .75), transparent 26rem),
    radial-gradient(circle at 90% 8%, rgba(254, 215, 170, .7), transparent 28rem),
    linear-gradient(180deg, #fffaf2 0%, #f8fafc 58%, #eef2ff 100%);
  color: var(--ink);
}
a { color: #1d4ed8; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(255, 250, 242, .82);
  border-bottom: 1px solid rgba(226, 232, 240, .9);
}
.nav {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 12px clamp(16px, 4vw, 28px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand { color: var(--ink); font-weight: 950; text-decoration: none; letter-spacing: -.04em; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.nav-links a {
  color: #334155;
  text-decoration: none;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(226,232,240,.9);
  font-size: .94rem;
  font-weight: 750;
}
.wrap { width: min(100%, 900px); margin: 0 auto; padding: clamp(34px, 8vw, 78px) clamp(16px, 4vw, 28px) 78px; }
.hero-card, .card {
  border: 1px solid rgba(226,232,240,.95);
  border-radius: 28px;
  background: rgba(255,255,255,.84);
  box-shadow: 0 22px 70px rgba(67, 56, 202, .12);
}
.hero-card { padding: clamp(26px, 7vw, 58px); }
h1 { margin: 0; font-size: clamp(2.2rem, 7vw, 4.8rem); line-height: .98; letter-spacing: -.075em; }
h2 { margin: 2.3rem 0 .75rem; font-size: clamp(1.45rem, 4vw, 2.1rem); letter-spacing: -.04em; }
p, li { font-size: clamp(1.02rem, 2.2vw, 1.15rem); line-height: 1.85; }
p.lead { color: #475569; font-weight: 760; font-size: clamp(1.08rem, 2.7vw, 1.35rem); }
.card { padding: clamp(20px, 5vw, 34px); margin-top: 18px; box-shadow: 0 12px 34px rgba(15, 23, 42, .07); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--green);
  border: 1px solid #bbf7d0;
  font-weight: 850;
}
.notice {
  margin-top: 20px;
  border-left: 6px solid var(--orange);
  border-radius: 18px;
  background: #fff7ed;
  color: #7c2d12;
  padding: 16px 18px;
  font-weight: 780;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #0f172a;
  color: #dbeafe;
  border-radius: 8px;
  padding: .12rem .4rem;
}
.footer { color: var(--muted); border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px; font-size: .95rem; }
@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .grid { grid-template-columns: 1fr; }
}