:root {
  --paper: #f7f2e8;
  --white: #fffdf8;
  --ink: #15171b;
  --muted: #60646c;
  --line: #15171b;
  --coral: #ff5b45;
  --cobalt: #2457d6;
  --mint: #bdf4d1;
  --yellow: #ffd84b;
  --shadow: 8px 8px 0 #15171b;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { max-width: 100%; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 9999; background: #fff; padding: 10px 14px; border: 2px solid; }
.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--line);
  background: rgba(247, 242, 232, .96);
}
.header-row { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 950; font-size: 1.45rem; }
.brand-mark {
  display: grid; place-items: center; width: 38px; aspect-ratio: 1;
  color: white; background: var(--cobalt); border: 2px solid var(--line); transform: rotate(-4deg);
}
.brand strong { color: var(--coral); }
.desktop-nav { display: flex; align-items: center; gap: 26px; font-weight: 800; }
.desktop-nav a { border-bottom: 3px solid transparent; }
.desktop-nav a:hover { border-color: var(--coral); }
.nav-call { padding: 9px 14px; color: white; background: var(--ink); border: 2px solid var(--ink); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 2px solid; background: var(--yellow); cursor: pointer; font-size: 1.35rem; font-weight: 900; }
.mobile-menu {
  position: fixed; inset: 0; z-index: 1000; display: none;
  padding: 22px; color: white; background: var(--cobalt);
}
.mobile-menu.open { display: flex; flex-direction: column; }
.mobile-menu-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 20px; border-bottom: 2px solid rgba(255,255,255,.7); }
.mobile-menu-head b { font-size: 1.35rem; }
.menu-close { width: 48px; height: 48px; border: 2px solid white; color: white; background: transparent; font-size: 1.8rem; cursor: pointer; }
.mobile-menu nav { display: grid; margin: auto 0; }
.mobile-menu nav a { padding: 18px 4px; border-bottom: 2px solid rgba(255,255,255,.55); font-size: clamp(1.5rem, 8vw, 2.3rem); font-weight: 950; }
.mobile-menu .menu-phone { margin-top: auto; padding: 18px; color: var(--ink); background: var(--yellow); border: 2px solid var(--ink); text-align: center; font-size: 1.35rem; font-weight: 950; }
.hero {
  position: relative; overflow: hidden; min-height: 600px;
  display: grid; align-items: center; padding: 86px 0 78px;
  border-bottom: 2px solid;
  background:
    linear-gradient(90deg, transparent 49.85%, rgba(21,23,27,.11) 50%, transparent 50.15%),
    linear-gradient(transparent 49.85%, rgba(21,23,27,.11) 50%, transparent 50.15%);
  background-size: 64px 64px;
}
.hero::after {
  content: ""; position: absolute; right: -80px; bottom: -110px;
  width: 360px; height: 360px; border-radius: 50%;
  background: var(--mint); border: 2px solid; z-index: 0;
}
.hero .shell { position: relative; z-index: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 11px; border: 2px solid; background: var(--white); font-weight: 900; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #16a061; animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(22,160,97,.18); } }
.hero h1 {
  max-width: 940px; margin: 25px 0 18px;
  font-size: clamp(3.1rem, 8vw, 7.7rem); line-height: .96; font-weight: 950;
}
.hero h1 .brand-line { display: block; color: var(--coral); }
.hero.detail h1 { font-size: clamp(2.5rem, 6.2vw, 5.7rem); line-height: 1.04; }
.hero p { max-width: 720px; margin: 0; font-size: clamp(1.04rem, 2vw, 1.32rem); font-weight: 650; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 21px; border: 2px solid; font-weight: 950; transition: transform .18s, box-shadow .18s; }
.btn:hover { transform: translate(-3px,-3px); box-shadow: 5px 5px 0 var(--ink); }
.btn.primary { color: white; background: var(--cobalt); }
.btn.secondary { background: var(--yellow); }
.hero-index { position: absolute; right: 0; top: 0; font-size: clamp(4rem, 12vw, 10rem); line-height: 1; color: rgba(21,23,27,.08); font-weight: 950; }
.live-strip { color: white; background: var(--ink); border-bottom: 2px solid var(--line); }
.live-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; }
.live-item { padding: 22px 24px; border-right: 1px solid rgba(255,255,255,.26); }
.live-item:last-child { border-right: 0; }
.live-label { display: block; color: var(--mint); font-size: .75rem; font-weight: 900; }
.live-value { font-size: 1.1rem; font-weight: 900; }
.section { padding: 92px 0; border-bottom: 2px solid; }
.section.cobalt { color: white; background: var(--cobalt); }
.section.mint { background: var(--mint); }
.section.white { background: var(--white); }
.section-head { display: grid; grid-template-columns: .45fr 1.55fr; gap: 34px; margin-bottom: 46px; }
.section-no { font-size: 1rem; font-weight: 950; }
.section h2 { margin: 0; font-size: clamp(2rem, 4.6vw, 4.6rem); line-height: 1.05; font-weight: 950; }
.section-lead { max-width: 760px; margin: 18px 0 0; font-size: 1.08rem; font-weight: 650; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); border: 2px solid; }
.step { min-height: 250px; padding: 28px; border-right: 2px solid; background: var(--white); }
.step:last-child { border-right: 0; }
.step b { display: block; margin-bottom: 34px; color: var(--coral); font-size: 3rem; line-height: 1; }
.step h3 { margin: 0 0 10px; font-size: 1.35rem; }
.step p { margin: 0; color: var(--muted); }
.phone-stage { padding: 86px 0; text-align: center; color: white; background: var(--coral); border-bottom: 2px solid var(--line); }
.phone-stage small { display: block; margin-bottom: 13px; font-weight: 900; }
.big-phone { display: block; font-size: clamp(2.5rem, 8vw, 7rem); line-height: 1; font-weight: 950; }
.phone-stage p { margin: 18px auto 0; max-width: 680px; font-weight: 750; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 2px solid; border-left: 2px solid; }
.feature { min-height: 230px; padding: 30px; border-right: 2px solid; border-bottom: 2px solid; background: var(--white); }
.feature:nth-child(3n+1) { background: #fff2ee; }
.feature:nth-child(3n+2) { background: #eef3ff; }
.feature:nth-child(3n) { background: #eefbf3; }
.feature h3 { margin: 0 0 12px; font-size: 1.35rem; }
.feature p { margin: 0; color: #444950; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid; border-left: 2px solid; }
.related-grid a { min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; padding: 18px; border-right: 2px solid; border-bottom: 2px solid; background: var(--white); font-weight: 900; }
.related-grid a span { color: var(--coral); font-size: .78rem; }
.related-grid a:hover { color: white; background: var(--ink); }
.guide-list { border-top: 2px solid; }
.guide-row { display: grid; grid-template-columns: 72px 1fr auto; gap: 18px; align-items: center; padding: 20px 6px; border-bottom: 2px solid; }
.guide-row b { color: var(--cobalt); }
.guide-row a { font-weight: 900; }
.guide-row a:hover { color: var(--coral); }
.faq { border-top: 2px solid; }
.faq details { border-bottom: 2px solid; }
.faq summary { cursor: pointer; list-style: none; padding: 22px 4px; font-size: 1.13rem; font-weight: 900; }
.faq summary::after { content: "+"; float: right; color: var(--coral); font-size: 1.5rem; }
.faq details[open] summary::after { content: "−"; }
.faq p { max-width: 850px; margin: 0 0 24px; color: var(--muted); }
.contact-band { color: white; background: var(--ink); padding: 92px 0 112px; }
.contact-band h2 { max-width: 900px; margin: 0 0 36px; font-size: clamp(2.4rem, 6vw, 6rem); line-height: 1.02; }
.contact-links { display: grid; grid-template-columns: repeat(3, 1fr); border: 2px solid white; }
.contact-links a { min-height: 130px; display: flex; flex-direction: column; justify-content: space-between; padding: 22px; border-right: 2px solid white; font-weight: 900; }
.contact-links a:last-child { border-right: 0; }
.contact-links a:nth-child(1) { background: var(--coral); }
.contact-links a:nth-child(2) { color: var(--ink); background: var(--yellow); }
.contact-links a:nth-child(3) { background: var(--cobalt); }
.contact-links strong { font-size: 1.35rem; }
.site-footer { padding: 34px 0 96px; border-top: 2px solid; background: var(--paper); }
.footer-row { display: flex; justify-content: space-between; gap: 30px; color: var(--muted); font-size: .9rem; }
.footer-row strong { color: var(--ink); }
.hidden-carousel { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.mobile-dock { display: none; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s, transform .55s; }
.reveal.on { opacity: 1; transform: none; }
@media (max-width: 820px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .desktop-nav { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .header-row { height: 66px; }
  .hero { min-height: 550px; padding: 68px 0 58px; background-size: 44px 44px; }
  .hero::after { width: 220px; height: 220px; right: -90px; bottom: -70px; }
  .hero h1 { margin-top: 18px; }
  .hero-index { top: 4px; }
  .live-grid { grid-template-columns: 1fr; }
  .live-item { padding: 14px 16px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .section { padding: 64px 0; }
  .section-head { grid-template-columns: 1fr; gap: 8px; margin-bottom: 30px; }
  .steps, .feature-grid, .related-grid, .contact-links { grid-template-columns: 1fr; }
  .step { min-height: 0; border-right: 0; border-bottom: 2px solid; }
  .step:last-child { border-bottom: 0; }
  .step b { margin-bottom: 16px; font-size: 2.2rem; }
  .feature { min-height: 0; }
  .related-grid a { min-height: 90px; }
  .guide-row { grid-template-columns: 48px 1fr; }
  .guide-row span:last-child { display: none; }
  .contact-links a { min-height: 104px; border-right: 0; border-bottom: 2px solid white; }
  .contact-links a:last-child { border-bottom: 0; }
  .footer-row { flex-direction: column; }
  .mobile-dock {
    position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 90;
    display: grid; grid-template-columns: repeat(3, 1fr);
    border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink);
  }
  .mobile-dock a { display: grid; place-items: center; min-height: 52px; border-right: 2px solid; background: white; font-weight: 950; }
  .mobile-dock a:last-child { border-right: 0; }
  .mobile-dock a:nth-child(1) { color: white; background: var(--coral); }
  .mobile-dock a:nth-child(2) { background: var(--yellow); }
  .mobile-dock a:nth-child(3) { color: white; background: var(--cobalt); }
}