:root {
  color-scheme: light;
  --ink: #24313d;
  --muted: #687886;
  --line: #dbe4e8;
  --water: #0a5eb0;
  --water-soft: #e9f2f8;
  --sand: #f4eee4;
  --surface: rgba(255, 255, 255, 0.88);
}

* {
  box-sizing: border-box;
}

html {
  background: #edf4f7;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #e7f1f6 0, #f6f1e8 360px, #f7f9fa 720px);
  font-family:
    -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR",
    "Segoe UI", sans-serif;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--water);
}

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(10, 94, 176, 0.22);
  border-radius: 8px;
  color: var(--water);
  background: rgba(255, 255, 255, 0.72);
}

main {
  margin-top: 52px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--water);
  font-size: 13px;
  font-weight: 750;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 48px);
  line-height: 1.18;
}

.lead {
  max-width: 620px;
  margin: 18px 0 36px;
  color: var(--muted);
  font-size: 16px;
}

.notice {
  margin: 0 0 28px;
  padding: 14px 16px;
  border: 1px solid #d9bc86;
  border-radius: 8px;
  background: #fff8e9;
  color: #71501d;
  font-size: 13px;
}

.panel {
  padding: 10px 28px 28px;
  border: 1px solid rgba(36, 49, 61, 0.1);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 40px rgba(50, 75, 90, 0.08);
  backdrop-filter: blur(14px);
}

section {
  padding-top: 22px;
}

h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

p,
ul {
  margin: 8px 0;
}

ul {
  padding-left: 22px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
}

.faq {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.faq:last-child {
  border-bottom: 0;
}

.faq h2 {
  font-size: 17px;
}

.contact {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 20px;
  border-radius: 8px;
  background: var(--water-soft);
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 24px, 760px);
    padding-top: 18px;
  }

  main {
    margin-top: 36px;
  }

  .panel {
    padding: 4px 18px 22px;
  }
}