:root {
  --navy: #143c62;
  --navy-deep: #0e2c4a;
  --gold: #c98b27;
  --ink: #0c1a2b;
  --muted: #647184;
  --line: #e2e8f0;
  --soft: #f6f8fb;
  --paper: #fff;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Pretendard Variable",
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    sans-serif;
  line-height: 1.75;
  word-break: keep-all;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
.skip {
  position: absolute;
  left: 12px;
  top: -50px;
  background: #fff;
  padding: 8px;
  z-index: 9;
}
.skip:focus {
  top: 12px;
}
.site-top {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 5;
}
.nav {
  max-width: 1180px;
  margin: auto;
  min-height: 74px;
  padding: 0 24px;
  display: flex;
  gap: 26px;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
}
.brand small {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}
.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  color: #334155;
}
.nav-links a:hover,
.bread a:hover {
  color: var(--gold);
}
.container {
  width: min(960px, calc(100% - 48px));
  margin: auto;
}
.breadcrumb {
  padding: 28px 0 12px;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb span {
  margin: 0 8px;
  color: #a9b3bf;
}
.hero {
  padding: 42px 0 58px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-size: 12px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.13em;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.19;
  letter-spacing: -0.04em;
  margin: 14px 0 20px;
}
.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.button {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  padding: 13px 19px;
  border-radius: 9px;
  font-weight: 800;
  font-size: 14px;
}
.button.secondary {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.section {
  padding: 58px 0;
  border-bottom: 1px solid var(--line);
}
.section h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  letter-spacing: -0.035em;
  line-height: 1.3;
  margin: 0 0 18px;
}
.section h3 {
  font-size: 21px;
  line-height: 1.45;
  margin: 24px 0 8px;
}
.section p {
  margin: 0 0 16px;
}
.section ul {
  padding-left: 22px;
  margin: 12px 0;
}
.section li {
  margin: 8px 0;
}
.soft {
  background: var(--soft);
}
.full {
  padding: 58px max(24px, calc((100% - 960px) / 2));
}
.steps,
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 24px;
}
.card {
  border: 1px solid var(--line);
  padding: 22px;
  border-radius: 14px;
  background: #fff;
}
.card strong {
  display: block;
  font-size: 17px;
  margin-bottom: 6px;
}
.card p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}
.quote {
  border-left: 3px solid var(--gold);
  padding: 16px 20px;
  background: #fff9ee;
  font-size: 18px;
  margin: 24px 0;
}
.notice {
  padding: 17px 20px;
  background: #eef4fa;
  border-radius: 10px;
  color: #263c55;
  font-size: 15px;
}
.source {
  font-size: 13px;
  color: var(--muted);
}
.content-photo {
  margin: 30px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
}
.content-photo img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}
.content-photo figcaption {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 13px;
}
.faq {
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.faq h2 {
  margin-bottom: 14px;
}
.faq details {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  float: right;
  color: var(--gold);
  font-size: 20px;
}
.faq details[open] summary::after {
  content: "−";
}
.faq p {
  margin: 12px 0 2px;
  color: var(--muted);
  font-size: 15px;
}
.related {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.related a {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  font-weight: 750;
  background: #fff;
}
.related a:hover {
  border-color: var(--gold);
}
.site-footer {
  padding: 42px 0;
  background: var(--navy-deep);
  color: #dbe7f3;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: start;
}
.site-footer p {
  font-size: 14px;
  margin: 8px 0;
}
.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}
.site-footer a:hover {
  color: #f7c66c;
}
@media (max-width: 760px) {
  .nav {
    min-height: 64px;
  }
  .nav-links {
    display: none;
  }
  .container {
    width: min(100% - 32px, 960px);
  }
  .hero {
    padding: 30px 0 44px;
  }
  .lede {
    font-size: 16px;
  }
  .section,
  .full {
    padding: 42px 16px;
  }
  .steps,
  .cards,
  .related {
    grid-template-columns: 1fr;
  }
  .site-footer .container {
    display: block;
  }
  .site-footer nav {
    margin-top: 20px;
  }
}