:root {
  color-scheme: light;
  --ink: #172826;
  --muted: #5d6d69;
  --line: #dbe5df;
  --paper: #fbfaf6;
  --ivory: #fffdf8;
  --teal: #0d4b47;
  --teal-2: #176a63;
  --rose: #c9877d;
  --gold: #c6a15b;
  --shadow: 0 18px 45px rgba(20, 46, 42, .12);
  --radius: 8px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.68;
  word-break: keep-all;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 50;
  padding: .7rem 1rem;
  background: var(--teal);
  color: #fff;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 253, 248, .92);
  border-bottom: 1px solid rgba(219, 229, 223, .9);
  backdrop-filter: blur(12px);
}
.nav-wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 800;
  letter-spacing: 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--rose));
  color: #fff;
  font-size: 1.1rem;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: .94rem;
  color: #29423e;
}
.main-nav a { padding: .4rem .2rem; }
.main-nav a:focus-visible,
.cta-button:focus-visible,
.outline-button:focus-visible,
.contact-button:focus-visible {
  outline: 3px solid rgba(201, 135, 125, .48);
  outline-offset: 3px;
}

.hero {
  min-height: 720px;
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: end;
  overflow: hidden;
  background: #102b29;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  filter: saturate(.95);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 36, 34, .88) 0%, rgba(8, 36, 34, .62) 42%, rgba(8, 36, 34, .22) 100%),
    linear-gradient(0deg, rgba(8, 36, 34, .84) 0%, rgba(8, 36, 34, .08) 45%);
}
.hero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 7rem 0 4.5rem;
  color: #fff;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: 0 0 1rem;
  color: #f1d5c9;
  font-size: .94rem;
  font-weight: 700;
}
h1, h2, h3 { line-height: 1.22; margin: 0; letter-spacing: 0; }
h1 {
  max-width: 780px;
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  font-weight: 900;
}
.hero-copy {
  max-width: 720px;
  margin: 1.25rem 0 0;
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  color: rgba(255, 255, 255, .9);
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 1.5rem 0 1.7rem;
  padding: 0;
  list-style: none;
}
.hero-points li {
  padding: .48rem .7rem;
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.09);
  border-radius: 999px;
  font-size: .94rem;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}
.contact-button,
.cta-button,
.outline-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  padding: .72rem 1rem;
  font-weight: 800;
  cursor: pointer;
}
.contact-button.sms,
.cta-button {
  background: var(--rose);
  color: #fff;
}
.contact-button.kakao {
  background: #fee500;
  color: #221c00;
}
.outline-button {
  border-color: rgba(255,255,255,.36);
  color: #fff;
  background: rgba(255,255,255,.08);
}

main section,
.region-main article {
  padding: 82px 0;
}
.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.section-head {
  max-width: 760px;
  margin-bottom: 2rem;
}
.section-head p {
  color: var(--muted);
  margin: .75rem 0 0;
}
h2 { font-size: clamp(1.72rem, 4vw, 2.7rem); }
h3 { font-size: 1.18rem; }

.feature-grid,
.course-grid,
.region-grid,
.notice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.feature-card,
.course-card,
.region-card,
.notice-card,
.recruit-card,
.faq details {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-card,
.course-card,
.notice-card,
.recruit-card {
  padding: 1.35rem;
}
.feature-card .num,
.notice-card .num {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: #eaf3ef;
  color: var(--teal);
  font-weight: 900;
}
.feature-card p,
.course-card p,
.notice-card p,
.recruit-card p,
.region-card p,
.faq p {
  color: var(--muted);
}

.band {
  background: #eef5f1;
}
.course-card strong {
  display: block;
  color: var(--teal);
  font-size: 2rem;
  line-height: 1;
  margin: .85rem 0;
}
.course-card ul,
.recruit-card ul,
.keyword-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.recruit-card {
  position: sticky;
  top: 90px;
}

.faq {
  display: grid;
  gap: .85rem;
}
.faq details {
  padding: 1rem 1.2rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 800;
}
.faq summary::marker { color: var(--rose); }

.region-card {
  overflow: hidden;
}
.region-thumb {
  min-height: 128px;
  background:
    linear-gradient(135deg, rgba(13,75,71,.82), rgba(201,135,125,.64)),
    var(--region-art);
  background-size: cover;
  background-position: center;
}
.region-card div:not(.region-thumb) { padding: 1.15rem; }
.region-card a {
  color: var(--teal);
  font-weight: 900;
}

.keywords {
  background: var(--teal);
  color: #fff;
}
.keywords .section-head p { color: rgba(255,255,255,.78); }
.keyword-list {
  columns: 2;
  color: rgba(255,255,255,.86);
}

.site-footer {
  background: #102b29;
  color: rgba(255,255,255,.84);
  padding: 3rem 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
}
.site-footer a { color: #fff; }
.footer-service-note {
  margin: .65rem 0 0;
  color: rgba(255,255,255,.84);
}
.slack-visit-setting {
  appearance: none;
  display: inline;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #ffb14a;
  font: inherit;
  font-weight: 800;
  line-height: inherit;
  cursor: pointer;
}
.slack-visit-setting[data-slack-blocked="true"] { color: #52d681; }
.slack-visit-setting:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

.region-hero {
  min-height: 560px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1rem;
  color: rgba(255,255,255,.76);
  font-size: .9rem;
}
.local-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
  margin-top: 1.5rem;
}
.local-list li {
  list-style: none;
  padding: .9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.local-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.local-detail-grid article,
.region-links {
  padding: 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.region-links nav {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.region-links a {
  padding: .45rem .65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--teal);
  font-weight: 800;
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero { min-height: 650px; }
  .feature-grid,
  .course-grid,
  .region-grid,
  .notice-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .split,
  .footer-grid { grid-template-columns: 1fr; }
  .recruit-card { position: static; }
  .local-list { grid-template-columns: 1fr 1fr; }
  .local-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav-wrap { min-height: 62px; }
  .brand span:last-child { font-size: .96rem; }
  .hero { min-height: 620px; }
  .hero-inner { padding-bottom: 3rem; }
  .contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 360px;
  }
  .contact-button,
  .cta-button,
  .outline-button {
    min-height: 46px;
    padding: .68rem .72rem;
    font-size: .92rem;
  }
  .outline-button { grid-column: 1 / -1; }
  main section,
  .region-main article { padding: 58px 0; }
  .feature-grid,
  .course-grid,
  .region-grid,
  .notice-grid,
  .local-list { grid-template-columns: 1fr; }
  .keyword-list { columns: 1; }
}