:root {
  --ink: #071932;
  --muted: #5d6b7c;
  --line: #dfe5ec;
  --paper: #f6f8fb;
  --navy: #061b42;
  --container: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Noto Sans KR", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 99; padding: 12px 16px; color: #fff; background: #000; }
.skip-link:focus { top: 16px; }
.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(7,25,50,.1); background: rgba(255,255,255,.94); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { color: var(--navy); font: 800 24px/1 "Manrope", sans-serif; letter-spacing: -.055em; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: #526174; font-size: 13px; font-weight: 600; }
.back-link:hover, .text-link:hover { color: var(--accent); }
.app-hero { position: relative; overflow: hidden; padding: 86px 0 82px; background: var(--paper); }
.app-hero::after { content: ""; position: absolute; width: 560px; height: 560px; right: -180px; top: -300px; border-radius: 50%; background: var(--accent-soft); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 176px 1fr; gap: 54px; align-items: center; }
.app-icon { width: 176px; height: 176px; aspect-ratio: 1; object-fit: cover; border-radius: 38px; box-shadow: 0 24px 50px rgba(7,25,50,.16); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font: 800 11px/1.4 "Manrope", sans-serif; letter-spacing: .16em; }
h1 { margin: 0; font-size: clamp(44px, 7vw, 76px); line-height: 1.05; letter-spacing: -.065em; }
.subtitle { margin: 18px 0 0; color: #3f4d60; font-size: clamp(18px, 2.4vw, 25px); line-height: 1.55; word-break: keep-all; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid var(--navy); border-radius: 7px; font-size: 13px; font-weight: 700; transition: transform .2s; }
.button-primary { color: #fff; background: var(--navy); }
.button-secondary { background: #fff; }
.button:hover { transform: translateY(-1px); }
.section { padding: 82px 0; }
.section-soft { background: var(--paper); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 90px; align-items: start; }
.section-label { margin: 0 0 13px; color: var(--accent); font: 800 10px/1.4 "Manrope", sans-serif; letter-spacing: .15em; }
h2 { margin: 0 0 25px; font-size: clamp(31px, 4vw, 48px); line-height: 1.2; letter-spacing: -.05em; word-break: keep-all; }
h3 { margin: 0 0 10px; font-size: 19px; letter-spacing: -.025em; }
.lead { margin: 0; color: #3e4d60; font-size: 17px; line-height: 1.9; word-break: keep-all; }
.notice { margin-top: 28px; padding: 20px 22px; border-left: 3px solid var(--accent); color: #536175; background: var(--accent-faint); font-size: 13px; line-height: 1.8; word-break: keep-all; }
.support-card { padding: 28px; border: 1px solid var(--line); background: #fff; box-shadow: 0 14px 35px rgba(7,25,50,.06); }
.support-card p { margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.support-card .button { width: 100%; }
.support-meta { margin: 22px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); }
.support-meta div { display: grid; grid-template-columns: 70px 1fr; gap: 10px; margin-top: 10px; font-size: 12px; line-height: 1.6; }
.support-meta dt { color: #8a96a5; }
.support-meta dd { margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.feature { min-height: 164px; padding: 27px; background: #fff; }
.feature-no { display: block; margin-bottom: 24px; color: var(--accent); font: 800 10px "Manrope", sans-serif; }
.feature p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; word-break: keep-all; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 23px 42px 23px 0; cursor: pointer; font-size: 16px; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 19px; color: var(--accent); font-size: 22px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 820px; margin: -4px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.8; word-break: keep-all; }
.privacy-box { display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; padding: 36px; color: #fff; background: var(--navy); }
.privacy-box h2 { margin-bottom: 12px; font-size: 30px; }
.privacy-box p { margin: 0; color: rgba(255,255,255,.68); font-size: 14px; line-height: 1.75; }
.privacy-box .button { border-color: rgba(255,255,255,.4); color: #fff; background: rgba(255,255,255,.06); }
.legal-main { padding: 70px 0 100px; }
.legal-header { max-width: 800px; margin-bottom: 55px; }
.legal-header h1 { font-size: clamp(38px, 6vw, 60px); }
.legal-updated { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.legal-content { max-width: 820px; }
.legal-content section { margin-top: 42px; }
.legal-content h2 { margin-bottom: 13px; font-size: 23px; }
.legal-content p, .legal-content li { color: #4e5d70; font-size: 14px; line-height: 1.85; word-break: keep-all; }
.legal-content ul { padding-left: 20px; }
.site-footer { padding: 34px 0; color: rgba(255,255,255,.55); background: #03122f; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; font-size: 11px; line-height: 1.7; }
.footer-inner a:hover { color: #fff; }
.calendar-theme { --accent: #1769e0; --accent-soft: #dbe9ff; --accent-faint: #f0f6ff; }
.parcel-theme { --accent: #206c39; --accent-soft: #ddefc7; --accent-faint: #f2f8e9; }
.apps-index { --accent: #1769e0; --accent-soft: #dbe9ff; --accent-faint: #f0f6ff; }
.apps-hero { position: relative; overflow: hidden; padding: 112px 0 106px; color: #fff; background: var(--navy); }
.apps-hero::before { content: ""; position: absolute; width: 620px; height: 620px; right: -170px; top: -390px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 0 100px rgba(255,255,255,.025), 0 0 0 200px rgba(255,255,255,.018); }
.apps-hero-inner { position: relative; z-index: 1; }
.apps-hero .eyebrow { color: #73e7dd; }
.apps-hero h1 { max-width: 800px; font-size: clamp(52px, 8vw, 88px); }
.apps-hero p:last-child { margin: 28px 0 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.8; word-break: keep-all; }
.apps-catalog { padding: 100px 0 120px; background: #f6f8fb; }
.catalog-heading { margin-bottom: 42px; }
.catalog-heading h2 { margin-bottom: 0; }
.app-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.app-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 190px 1fr; min-height: 330px; border: 1px solid var(--line); background: #fff; box-shadow: 0 18px 48px rgba(7,25,50,.06); transition: transform .25s ease, box-shadow .25s ease; }
.app-card:hover { transform: translateY(-5px); box-shadow: 0 26px 60px rgba(7,25,50,.12); }
.app-card:focus-visible { outline: 3px solid #1769e0; outline-offset: 4px; }
.app-card-visual { display: grid; place-items: center; padding: 34px; background: var(--card-tint); }
.app-card-visual img { width: 126px; height: 126px; aspect-ratio: 1; object-fit: cover; border-radius: 28px; box-shadow: 0 20px 38px rgba(7,25,50,.18); }
.calendar-card { --card-accent: #1769e0; --card-tint: #edf4ff; }
.parcel-card { --card-accent: #206c39; --card-tint: #f0f7e8; }
.app-card-copy { display: flex; flex-direction: column; align-items: flex-start; padding: 42px 36px 36px; }
.app-category { color: var(--card-accent); font: 800 9px/1.4 "Manrope", sans-serif; letter-spacing: .14em; }
.app-card h3 { margin: 15px 0 12px; font-size: 31px; letter-spacing: -.05em; }
.app-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; word-break: keep-all; }
.app-card-link { display: inline-flex; gap: 14px; align-items: center; margin-top: auto; padding-top: 26px; color: var(--navy); font-size: 13px; font-weight: 700; }
.app-card-link span { transition: transform .2s ease; }
.app-card:hover .app-card-link span { transform: translateX(4px); }
@media (max-width: 800px) {
  .app-hero { padding: 62px 0; }
  .hero-grid { grid-template-columns: 128px 1fr; gap: 32px; }
  .app-icon { width: 128px; height: 128px; border-radius: 28px; }
  .content-grid { grid-template-columns: 1fr; gap: 42px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .app-list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { min-height: 68px; }
  .wordmark { font-size: 21px; }
  .back-link { font-size: 12px; }
  .app-hero { padding: 48px 0 54px; }
  .hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .app-icon { width: 112px; height: 112px; border-radius: 25px; }
  h1 { font-size: 48px; }
  .subtitle { font-size: 18px; }
  .section { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: auto; }
  .privacy-box { grid-template-columns: 1fr; padding: 28px; }
  .privacy-box .button { width: 100%; }
  .footer-inner { flex-direction: column; }
  .apps-hero { padding: 78px 0 74px; }
  .apps-hero h1 { font-size: 48px; }
  .apps-hero p:last-child { font-size: 15px; }
  .apps-hero p br { display: none; }
  .apps-catalog { padding: 68px 0 82px; }
  .app-card { grid-template-columns: 1fr; }
  .app-card-visual { min-height: 220px; }
  .app-card-visual img { width: 118px; height: 118px; border-radius: 26px; }
  .app-card-copy { min-height: 260px; padding: 30px 26px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }