/* 소개 웹사이트 스타일 — 앱의 시그니처 컬러(민트·스카이·코랄·라벤더·그래파이트)와 Pretendard를 그대로 쓴다. */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #111418;
  --muted: #5a6170;
  --line: #e4e7ec;
  --mint: #3fbf9a;
  --mint-deep: #2e9e7e;
  --mint-tint: #e4f6f0;
  --sky-tint: #e5effb;
  --coral-tint: #fdece8;
  --lavender-tint: #eeebfa;
  --graphite-tint: #e9ecf4;
  --draft: #fff4d6;
  --draft-text: #7a5a00;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(20, 30, 50, 0.12), 0 4px 14px rgba(20, 30, 50, 0.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1114;
    --surface: #181b20;
    --text: #f2f4f7;
    --muted: #a3aab8;
    --line: #2a2f37;
    --mint-tint: #15302a;
    --sky-tint: #142436;
    --coral-tint: #36201c;
    --lavender-tint: #231f3a;
    --graphite-tint: #1e232c;
    --draft: #3a3115;
    --draft-text: #f3d68a;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Pretendard Variable",
    -apple-system,
    "Apple SD Gothic Neo",
    sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
html[lang="ja"] body {
  font-family:
    "Hiragino Sans",
    "Pretendard Variable",
    -apple-system,
    sans-serif;
}
html[lang="zh-Hant"] body {
  font-family:
    "PingFang TC",
    "Pretendard Variable",
    -apple-system,
    sans-serif;
}
a {
  color: inherit;
}
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.draft-banner {
  background: var(--draft);
  color: var(--draft-text);
  font-size: 14px;
  text-align: center;
  padding: 8px 16px;
}

/* 헤더 */
header.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}
nav.links {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 15px;
  color: var(--muted);
}
nav.links a {
  text-decoration: none;
}
nav.links a:hover {
  color: var(--text);
}
select.lang {
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 6px 12px;
}

/* 히어로 */
.hero {
  background: linear-gradient(170deg, var(--mint-tint) 0%, var(--bg) 100%);
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 0;
}
.eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mint-deep);
  margin-bottom: 18px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 850;
  white-space: pre-line;
}
.hero p.lead {
  margin: 22px 0 32px;
  font-size: 19px;
  color: var(--muted);
  max-width: 34em;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  border-radius: 14px;
  padding: 14px 22px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
}
.store-btn.soon {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  cursor: default;
}
.store-btn svg {
  width: 20px;
  height: 20px;
}
.hero .phone {
  margin: 0 auto -120px;
}

/* 폰 틀 — 앱 화면 캡처(393×764pt)를 둥근 베젤로 감싼다 */
.phone {
  width: min(320px, 78vw);
  border-radius: 46px;
  background: #16181d;
  padding: 10px;
  box-shadow: var(--shadow);
}
.phone img {
  display: block;
  width: 100%;
  aspect-ratio: 393 / 764;
  border-radius: 37px;
  background: #f2f2f2;
}

/* 기능 */
section.features {
  padding: 180px 0 40px;
}
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
}
.feature:nth-child(even) .text {
  order: 2;
}
.feature .visual {
  border-radius: 32px;
  padding: 44px 0;
  display: flex;
  justify-content: center;
}
.feature h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.feature p {
  margin: 0;
  font-size: 18px;
  color: var(--muted);
}
.tint-mint {
  background: var(--mint-tint);
}
.tint-sky {
  background: var(--sky-tint);
}
.tint-coral {
  background: var(--coral-tint);
}
.tint-lavender {
  background: var(--lavender-tint);
}
.tint-graphite {
  background: var(--graphite-tint);
}

/* 개인정보 */
section.privacy {
  padding: 64px 0 96px;
}
section.privacy h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.03em;
  margin: 0 0 28px;
  text-align: center;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.center {
  text-align: center;
  margin-top: 24px;
}

/* 문서(방침·지원) */
main.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
main.doc h1 {
  font-size: clamp(30px, 5vw, 40px);
  letter-spacing: -0.03em;
  margin: 0 0 24px;
}
main.doc h2 {
  font-size: 22px;
  margin: 40px 0 12px;
  letter-spacing: -0.02em;
}
main.doc p,
main.doc li {
  color: var(--text);
  font-size: 16px;
}
main.doc .table-scroll {
  overflow-x: auto;
  margin: 16px 0;
}
main.doc table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  min-width: 560px;
}
main.doc th,
main.doc td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
main.doc th {
  background: var(--surface);
}
details.faq {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 20px;
  margin: 10px 0;
}
details.faq summary {
  font-weight: 700;
  cursor: pointer;
}
details.faq p {
  margin: 10px 0 0;
  color: var(--muted);
}
.contact-box {
  background: var(--mint-tint);
  border-radius: var(--radius);
  padding: 24px;
}
.contact-box a.mail {
  font-weight: 800;
  font-size: 20px;
}

footer.bottom {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  font-size: 14px;
  color: var(--muted);
}
footer.bottom .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}
footer.bottom .spacer {
  flex: 1;
}

@media (max-width: 760px) {
  nav.links {
    display: none;
  }
  select.lang {
    margin-left: auto;
  }
  .hero .wrap {
    grid-template-columns: 1fr;
    padding-top: 44px;
    text-align: center;
  }
  .hero p.lead {
    margin-left: auto;
    margin-right: auto;
  }
  section.features {
    padding-top: 160px;
  }
  .feature {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 0;
  }
  .feature:nth-child(even) .text {
    order: 0;
  }
  .cards {
    grid-template-columns: 1fr;
  }
}