:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #eff6ff;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.site-header {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px);
  background: rgba(246, 247, 251, 0.88); border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}
.site-header__inner {
  max-width: var(--max); margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px; color: var(--text);
  font-weight: 800; font-size: 18px; text-decoration: none;
}
.brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 12px; padding: 10px 12px; font: inherit; font-weight: 700; cursor: pointer;
}
.site-nav { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.site-nav a {
  color: var(--text); text-decoration: none; font-size: 14px; font-weight: 700;
  padding: 10px 12px; border-radius: 10px;
}
.site-nav a:hover { background: #eef2ff; color: var(--primary); }
.nav-cta { background: var(--primary); color: #fff !important; }
.nav-cta:hover { background: var(--primary-hover) !important; }
.page-hero { padding: 38px 0 24px; }
.page-hero__card {
  background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
  border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); padding: 34px;
}
.page-hero__logo {
  width: min(100%, 480px);
  margin: 0 auto 18px;
}
.page-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px;
  border-radius: 999px; background: #eef2ff; color: var(--primary); font-size: 13px; font-weight: 800;
}
.page-hero h1 { margin: 18px 0 10px; font-size: 42px; line-height: 1.15; text-align: center; }
.page-hero p {
  max-width: 760px; margin: 0 auto; font-size: 17px; color: var(--muted); text-align: center;
}
.hero-actions {
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 24px;
}
.btn {
  appearance: none; border: none; border-radius: 14px; padding: 13px 18px; font: inherit;
  font-weight: 800; cursor: pointer; text-decoration: none; display: inline-flex;
  justify-content: center; align-items: center; transition: background .15s ease, transform .05s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(37, 99, 235, 0.2); }
.btn--primary:hover { background: var(--primary-hover); }
.btn--ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn--ghost:hover { background: #f8fafc; }
.home-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; margin: 0 0 22px; }
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 22px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px;
}
.card h2 { margin: 0 0 14px; font-size: 24px; line-height: 1.25; }
.card h3 { margin: 18px 0 10px; font-size: 18px; line-height: 1.35; }
.card p, .card li { font-size: 15px; }
.muted { color: var(--muted); }
.list { margin: 0; padding-left: 18px; }
.list li + li { margin-top: 8px; }
.feature-list { display: grid; gap: 12px; }
.feature-item { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.feature-item strong { display: block; margin-bottom: 4px; font-size: 15px; }
.notice { background: var(--accent); border: 1px solid #bfdbfe; border-radius: 14px; padding: 16px; font-size: 14px; }
.notice strong { display: block; margin-bottom: 6px; }
.steps { counter-reset: step; display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.steps li {
  display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff;
}
.steps li::before {
  counter-increment: step; content: counter(step); width: 44px; height: 44px; border-radius: 999px;
  background: #eef2ff; color: var(--primary); font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.steps strong { display: block; margin-bottom: 4px; }
.cta-strip {
  display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 22px 24px;
  border-radius: 20px; background: linear-gradient(135deg, #111827 0%, #1f2937 100%); color: #fff;
  box-shadow: var(--shadow); margin-bottom: 22px;
}
.cta-strip h2 { margin: 0 0 6px; font-size: 24px; }
.cta-strip p { margin: 0; color: rgba(255,255,255,.78); }
.page-title { margin: 0 0 8px; font-size: 38px; line-height: 1.15; }
.page-intro { margin: 0 0 22px; color: var(--muted); font-size: 16px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; }
.faq-question {
  width: 100%; text-align: left; padding: 16px 18px; background: #fff; border: 0;
  cursor: pointer; font: inherit; font-weight: 800; color: var(--text);
}
.faq-question:hover { background: #f8fafc; }
.faq-answer { display: none; padding: 0 18px 18px; color: var(--muted); font-size: 15px; }
.faq-item.is-open .faq-answer { display: block; }
.site-footer { padding: 32px 0 50px; }
.site-footer__card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 24px;
}
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.footer-grid h3 { margin: 0 0 10px; font-size: 18px; }
.footer-grid p { margin: 8px 0; font-size: 14px; }
.footer-links { margin-top: 18px; font-size: 14px; display: flex; flex-wrap: wrap; gap: 10px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 12px; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.badge {
  display: inline-flex; align-items: center; padding: 7px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: #f9fafb; font-size: 12px; font-weight: 800;
}
.badge--primary { background: #eef2ff; border-color: #c7d2fe; color: var(--primary); }
@media (max-width: 900px) {
  .home-grid, .section-grid, .footer-grid { grid-template-columns: 1fr; }
  .cta-strip { flex-direction: column; align-items: flex-start; }
  .page-hero h1, .page-title { font-size: 34px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .site-header__inner { align-items: flex-start; flex-direction: column; }
  .site-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; }
  .site-nav.is-open { display: flex; }
  .site-nav a { border: 1px solid var(--line); background: #fff; }
  .page-hero__card, .card, .site-footer__card { padding: 20px; }
  .page-hero h1, .page-title { font-size: 28px; }
  .page-hero p, .page-intro { font-size: 15px; }
  .container { padding: 0 14px; }
  .kv { grid-template-columns: 1fr; }
}

.hidden {
  display: none !important;
}

.page-hero__card {
  padding: 36px 32px;
}

.hero-showcase {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.hero-side {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-center {
  text-align: center;
}

.page-hero__logo {
  display: block;
  width: min(100%, 440px);
  margin: 0 auto 18px;
}

.hero-center h1 {
  margin: 0 0 14px;
  font-size: 56px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-center p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 24px;
  line-height: 1.7;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;   /* 노란색 표시 부분 가운데 정렬 */
  gap: 10px;
  margin-top: 20px;
}

.hero-character {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
}

.hero-character--left {
  transform: translateX(-6px);
}

.hero-character--right {
  transform: translateX(6px);
}
@media (max-width: 1200px) {
  .hero-showcase {
    grid-template-columns: 160px 1fr 160px;
    gap: 16px;
  }

  .hero-character {
    max-width: 160px;
  }

  .hero-center h1 {
    font-size: 42px;
  }

  .hero-center p {
    font-size: 20px;
  }
}

@media (max-width: 900px) {
  .hero-showcase {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-side {
    order: 2;
  }

  .hero-center {
    order: 1;
  }

  .hero-side--right {
    order: 3;
  }

  .hero-character {
    max-width: 180px;
  }

  .hero-center h1 {
    font-size: 34px;
  }

  .hero-center p {
    font-size: 17px;
  }

  .page-hero__card {
    padding: 28px 20px;
  }
}
.kb-maintenance-lock {
  overflow: hidden;
}

#kbMaintenanceOverlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(15, 23, 42, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  pointer-events: all;
}

.kb-maintenance-box {
  width: min(520px, 100%);
  background: white;
  color: #111827;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.kb-maintenance-box h1 {
  margin: 0 0 14px;
  font-size: 24px;
}

.kb-maintenance-box p {
  line-height: 1.6;
}

.kb-maintenance-box .main-message {
  font-weight: 700;
  color: #dc2626;
}

.kb-maintenance-box .time-box {
  margin: 18px 0;
  padding: 16px;
  border-radius: 14px;
  background: #f3f4f6;
  line-height: 1.6;
}

.kb-maintenance-box .small {
  color: #6b7280;
  font-size: 13px;
}