:root {
  color-scheme: light;
  --ink: #15201d;
  --muted: #5c6a66;
  --line: #d8ddd6;
  --paper: #fbfaf6;
  --soft: #edf3ec;
  --green: #12312b;
  --teal: #1f7770;
  --gold: #f4c95d;
  --coral: #d96b4f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "Noto Sans KR", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand,
.main-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  font-weight: 800;
  font-size: 20px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green);
  color: var(--gold);
  font-size: 13px;
}

.main-nav,
.site-footer {
  color: var(--muted);
  font-size: 15px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 18px auto 0;
  padding: 68px 24px 78px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-weight: 700;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.hero-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(244, 201, 93, 0.28), transparent 42%),
    linear-gradient(160deg, #fff, var(--soft));
}

.hero-panel span {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 16px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--green);
  font-weight: 800;
}

.section,
.page,
.article-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

.page,
.article-page {
  max-width: 860px;
}

.section-heading {
  margin-bottom: 24px;
}

h1,
h2,
h3 {
  line-height: 1.22;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 32px;
}

.article-grid,
.standard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card,
.standard-grid > div {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.article-card p {
  margin: 0 0 18px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

.article-card h3 {
  margin: 0 0 14px;
  font-size: 23px;
}

.article-card span,
.muted,
.standard-grid p,
.page p,
.article-page p,
.article-page li {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 36px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.split.alt {
  background: #fff;
  max-width: none;
  padding-left: max(24px, calc((100vw - 1180px) / 2 + 24px));
  padding-right: max(24px, calc((100vw - 1180px) / 2 + 24px));
}

.pill-grid,
.purpose-list,
.link-list {
  display: grid;
  gap: 12px;
}

.pill-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pill-grid a,
.purpose-list span,
.link-list a {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-weight: 800;
}

.purpose-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lead {
  font-size: 20px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
}

.longform h1 {
  margin: 0 0 18px;
  font-size: 42px;
}

.longform h2 {
  margin-top: 42px;
  margin-bottom: 14px;
  font-size: 28px;
}

.article-hero-image {
  margin: 34px 0;
}

.article-hero-image img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.article-hero-image figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.checklist-box,
.source-note,
.method-box {
  margin-top: 42px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.checklist-box h2,
.source-note h2,
.method-box h2 {
  margin-top: 0;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.method-grid > div {
  padding: 18px;
  border-radius: 8px;
  background: var(--soft);
}

.method-grid h3,
.method-box h3 {
  margin: 0 0 10px;
}

.route-steps {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding-left: 22px;
}

.score-list {
  display: grid;
  gap: 10px;
}

.score-list div {
  display: grid;
  grid-template-columns: minmax(110px, 0.9fr) 1.8fr 52px;
  gap: 12px;
  align-items: center;
}

.score-list meter {
  width: 100%;
  height: 14px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq-list summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 800;
}

.faq-list p {
  margin: 0;
  padding: 0 18px 18px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.related-grid a {
  display: grid;
  gap: 8px;
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.related-grid span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
}

.category-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.category-summary div {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.category-summary strong {
  font-size: 26px;
  color: var(--green);
}

.category-summary span {
  color: var(--muted);
  font-size: 14px;
}

.domestic-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(320px, 1.02fr);
  gap: 44px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 54px 24px 70px;
}

.domestic-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 6vw, 70px);
  line-height: 1.04;
}

.domestic-hero p {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
}

.domestic-visual {
  margin: 0;
}

.domestic-visual img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.domestic-visual figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.domestic-board,
.season-lane,
.domestic-routes,
.approval-roadmap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

.domestic-board {
  display: grid;
  grid-template-columns: 0.35fr 0.65fr;
  gap: 32px;
  border-top: 1px solid var(--line);
}

.board-intro {
  position: sticky;
  top: 24px;
  align-self: start;
}

.board-intro h2,
.domestic-routes h2,
.approval-roadmap h2 {
  margin: 0;
}

.board-intro p,
.domestic-routes p,
.approval-roadmap span {
  color: var(--muted);
}

.region-board {
  display: grid;
  gap: 12px;
}

.region-row {
  display: grid;
  grid-template-columns: 54px minmax(180px, 1.15fr) minmax(180px, 0.85fr);
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.region-row:hover {
  border-color: var(--teal);
}

.region-number {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green);
  color: var(--gold);
  font-weight: 800;
}

.region-row h3 {
  margin: 0 0 6px;
  font-size: 24px;
}

.region-row p {
  margin: 0;
  color: var(--muted);
}

.region-row dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.region-row dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
}

.region-row dt {
  color: var(--muted);
  font-size: 13px;
}

.region-row dd {
  margin: 0;
  font-weight: 800;
}

.region-row ul {
  grid-column: 2 / 4;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.region-row li {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.season-lane {
  max-width: none;
  background: #fff;
  padding-left: max(24px, calc((100vw - 1180px) / 2 + 24px));
  padding-right: max(24px, calc((100vw - 1180px) / 2 + 24px));
}

.season-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.season-track article {
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.season-track span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
}

.season-track h3 {
  margin: 14px 0 8px;
  font-size: 30px;
}

.season-track p,
.season-track small {
  color: var(--muted);
}

.season-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.season-regions strong {
  padding: 8px 10px;
  border-radius: 6px;
  background: #fff;
  font-size: 14px;
}

.domestic-routes {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: 34px;
  border-bottom: 1px solid var(--line);
}

.route-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.route-notes section {
  padding: 20px;
  border-left: 4px solid var(--teal);
  background: #fff;
}

.route-notes h3 {
  margin: 0 0 8px;
}

.route-notes p {
  margin: 0;
}

.approval-roadmap ol {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.approval-roadmap li {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 42px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 62px 24px 78px;
}

.home-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 7vw, 74px);
  line-height: 1.04;
}

.home-hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.home-radar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(244, 201, 93, 0.28), transparent 42%),
    #fff;
}

.home-radar div {
  display: grid;
  min-height: 122px;
  align-content: space-between;
  padding: 18px;
  border-radius: 8px;
  background: var(--soft);
}

.home-radar span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.home-radar strong {
  color: var(--green);
  font-size: 26px;
}

.festival-hub,
.home-matrix,
.content-roadmap,
.data-needed {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

.festival-hub {
  border-top: 1px solid var(--line);
}

.section-heading p {
  max-width: 760px;
}

.festival-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.festival-grid article {
  display: grid;
  align-content: start;
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.festival-grid article:nth-child(2n) {
  background: var(--soft);
}

.festival-grid span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
}

.festival-grid h3 {
  margin: 14px 0 18px;
  font-size: 28px;
}

.festival-grid dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.festival-grid dt {
  color: var(--muted);
  font-size: 13px;
}

.festival-grid dd {
  margin: 0;
  font-weight: 800;
}

.home-matrix {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  gap: 34px;
  align-items: start;
  background: #fff;
  max-width: none;
  padding-left: max(24px, calc((100vw - 1180px) / 2 + 24px));
  padding-right: max(24px, calc((100vw - 1180px) / 2 + 24px));
}

.home-matrix h2,
.content-roadmap h2,
.data-needed h2 {
  margin: 0;
}

.matrix-table {
  display: grid;
  gap: 10px;
}

.matrix-table a {
  display: grid;
  grid-template-columns: 92px 1fr 110px;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.matrix-table strong {
  color: var(--green);
  font-size: 22px;
}

.matrix-table span {
  color: var(--muted);
}

.matrix-table em {
  color: var(--teal);
  font-style: normal;
  font-weight: 800;
}

.roadmap-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.roadmap-list article {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.roadmap-list span {
  color: var(--coral);
  font-weight: 800;
}

.roadmap-list h3 {
  margin: 18px 0 10px;
}

.roadmap-list p {
  color: var(--muted);
}

.data-needed {
  display: grid;
  grid-template-columns: 0.45fr 0.55fr;
  gap: 28px;
  border-top: 1px solid var(--line);
}

.data-needed p,
.data-needed li {
  color: var(--muted);
}

.data-needed ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.data-needed li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #fff;
}

th,
td {
  border: 1px solid var(--line);
  padding: 14px;
  text-align: left;
}

th {
  background: var(--soft);
}

.site-footer {
  align-items: flex-start;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 420px;
  margin: 8px 0 0;
}

.site-footer nav {
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .hero,
  .split,
  .domestic-hero,
  .domestic-board,
  .domestic-routes,
  .home-hero,
  .home-matrix,
  .data-needed {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 42px;
    gap: 28px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .article-grid,
  .standard-grid,
  .pill-grid,
  .purpose-list,
  .related-grid,
  .category-summary,
  .method-grid,
  .season-track,
  .route-notes,
  .festival-grid,
  .roadmap-list,
  .home-radar {
    grid-template-columns: 1fr;
  }

  .score-list div {
    grid-template-columns: 1fr;
  }

  .board-intro {
    position: static;
  }

  .region-row {
    grid-template-columns: 1fr;
  }

  .region-row ul {
    grid-column: auto;
  }

  .approval-roadmap li {
    grid-template-columns: 1fr;
  }

  .matrix-table a {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}