:root {
  color-scheme: light;
  --orange: #b84a18;
  --orange-deep: #88350f;
  --cream: #f6f0e2;
  --card: #ffffff;
  --ink: #201d1a;
  --muted: #746d63;
  --line: #e5dccd;
  --serif: "Malgun Gothic", "맑은 고딕", sans-serif;
  --shadow: 0 18px 50px rgba(72, 44, 23, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: "Malgun Gothic", "맑은 고딕", sans-serif; font-size: 18px; line-height: 1.7; }
a { color: inherit; }
.site-header, main, .site-footer { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 27px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 29px; font-weight: 800; letter-spacing: -.05em; text-decoration: none; }
.brand-icon { width: 28px; height: 28px; border-radius: 8px; object-fit: cover; }
.brand-mark { color: var(--orange); }
.top-nav { display: flex; gap: 27px; color: var(--muted); font-size: 16px; }
.top-nav a, .footer-links a { text-decoration: none; }
.top-nav a:hover, .footer-links a:hover, .text-link:hover { color: var(--orange); }
.back-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.back-link:hover { color: var(--orange); }
.content-card { margin: 22px 0 56px; padding: clamp(24px, 5vw, 44px); border: 1px solid var(--line); border-radius: 24px; background: var(--card); box-shadow: var(--shadow); }
.content-card h1 { margin-bottom: 24px; font-size: clamp(36px, 4vw, 40px); }
.content-card h2 { margin: 40px 0 12px; font-size: clamp(22px, 2.4vw, 24px); }
.content-card h3 { margin: 26px 0 8px; font-size: 18px; }
.content-card p, .content-card li { margin-bottom: 16px; font-size: 16px; }
.lead { color: var(--muted); font-size: 16px; }
.meta { color: var(--muted); font-size: 15px; }
.plain-list { padding-left: 20px; }
.notice, .todo { margin: 24px 0; padding: 16px 18px; border-radius: 14px; }
.notice { border-left: 4px solid var(--orange); background: #fff4e8; }
.todo { border: 1px solid #eadc96; background: #fff9dc; }
.todo strong { color: #725800; }
.section-rule { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }
.hero { display: grid; grid-template-columns: 1fr .85fr; gap: 45px; align-items: center; padding: 68px 6.8% 76px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 21px; color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.23; letter-spacing: -.055em; }
h1 { width: max-content; max-width: 100%; margin-bottom: 24px; font-size: clamp(56px, 6vw, 68px); font-weight: 800; }
h1 span { display: block; white-space: nowrap; }
h1 span + span, h2 em { color: var(--orange); }
h1 em, h2 em { color: var(--orange); font-family: inherit; font-weight: 800; letter-spacing: inherit; }
.hero-copy { width: max-content; max-width: 100%; }
.hero-brand { width: clamp(230px, 21vw, 254px); margin: 0 auto; text-align: center; }
.hero-brand-point { margin: 0 0 12px; }
.hero-icon { width: 100%; height: auto; display: block; object-fit: contain; }
.hero-brand-name { margin: 0 0 17px; font-size: clamp(40px, 3.8vw, 54px); font-weight: 800; letter-spacing: -.06em; white-space: nowrap; }
.hero-lead { margin-bottom: 26px; color: var(--muted); font-size: 19px; line-height: 1.65; }
.hero-meta { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 14px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #73926b; }
.phone-wrap { display: flex; justify-content: center; align-items: center; }
.phone-frame { width: min(100%, 284px); margin: 0; padding: 5px; overflow: hidden; border: 1px solid #292522; border-radius: 34px; background: #292522; box-shadow: 12px 18px 34px rgba(72, 44, 23, .16); }
.hero-app-screenshot { display: block; width: 100%; height: auto; border-radius: 28px; }
.section { padding: 68px 6.8%; }
.section-intro h2 { margin-bottom: 32px; font-size: clamp(40px, 4.2vw, 44px); }
.philosophy { border-top: 1px solid var(--line); }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 29px; }
.principle { padding: 26px 25px 28px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .48); }
.principle-number { margin-bottom: 28px; color: var(--orange); font-family: var(--serif); font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.principle h3 { margin-bottom: 14px; font-size: 23px; }
.principle .question { min-height: 52px; margin-bottom: 14px; color: var(--orange-deep); font-size: 19px; font-weight: 700; line-height: 1.5; }
.principle > p:last-child { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.flow { padding-top: 64px; padding-bottom: 68px; }
.flow-track { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 24px 32px; border-radius: 21px; background: var(--card); box-shadow: var(--shadow); }
.flow-step { display: grid; grid-template-columns: auto 1fr; column-gap: 13px; align-items: center; min-width: 0; }
.flow-icon { grid-row: span 2; display: grid; place-items: center; width: 45px; height: 45px; border-radius: 14px; background: #faeadc; color: var(--orange); font-size: 21px; }
.flow-step strong { font-size: 18px; }
.flow-step p { grid-column: 2; margin: 1px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.flow-arrow { color: #cbb9a8; font-size: 24px; }
.explore { border-top: 1px solid var(--line); }
.accordion-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: grid; grid-template-columns: 47px 1fr 24px; align-items: center; gap: 15px; padding: 22px 6px; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary .summary-icon { display: grid; place-items: center; width: 39px; height: 39px; border-radius: 12px; background: #faeadc; color: var(--orange); font-size: 18px; }
summary b, summary small { display: block; }
summary b { font-size: 20px; }
summary small { margin-top: 2px; color: var(--muted); font-size: 16px; }
summary i { color: var(--orange); font-size: 20px; font-style: normal; transition: transform .2s; }
details[open] summary i { transform: rotate(45deg); }
details > p { max-width: 680px; margin: -5px 48px 24px 68px; color: var(--muted); font-size: 18px; line-height: 1.7; }
.privacy-callout { display: grid; grid-template-columns: 40% 60%; gap: 28px; margin: 0 0 72px; padding-top: 42px; padding-bottom: 42px; border-radius: 24px; background: var(--orange); color: #fff; }
.privacy-callout .eyebrow { color: #fbdcc7; }
.privacy-callout h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); }
.privacy-copy { align-self: end; }
.privacy-copy p { max-width: 500px; margin: 0 0 23px; color: #fce9da; font-size: 17px; line-height: 1.7; }
.text-link { color: #fff; font-size: 16px; font-weight: 800; text-underline-offset: 5px; }
.text-link span { margin-left: 5px; }
.site-footer { padding: 0 6.8% 32px; color: var(--muted); font-size: 13px; }
.footer-main { display: flex; align-items: baseline; justify-content: space-between; padding: 24px 0; border-top: 1px solid var(--line); }
.footer-main p { margin: 0; font-family: var(--serif); font-size: 15px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; padding: 9px 0 25px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 17px; border-top: 1px solid var(--line); color: #a49a8d; font-size: 11px; }
@media (max-width: 760px) {
  .site-header, main, .site-footer { width: min(100% - 36px, 620px); }
  .top-nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 50px; padding: 58px 5% 72px; }
  .brand { font-size: 23px; }
  .brand-icon { width: 25px; height: 25px; }
  h1 { width: max-content; font-size: clamp(40px, 12vw, 48px); }
  .hero-copy { width: 100%; }
  .hero-brand { width: min(90%, 300px); margin-inline: auto; text-align: center; }
  .hero-brand-point { margin-bottom: 10px; }
  .hero-icon { width: 100%; }
  .hero-brand-name { margin-bottom: 13px; font-size: 28px; }
  .phone-frame { width: min(100%, 278px); }
  .section { padding: 64px 5%; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 12px; }
  .principle { padding: 21px; }
  .principle-number { margin-bottom: 18px; }
  .principle .question { min-height: 0; }
  .principle h3 { font-size: 21px; }
  .principle .question { font-size: 16px; }
  .principle > p:last-child { font-size: 15px; }
  .flow { padding-top: 56px; padding-bottom: 64px; }
  .flow-track { flex-direction: column; align-items: stretch; padding: 22px; }
  .flow-arrow { align-self: center; transform: rotate(90deg); }
  .privacy-callout { grid-template-columns: 1fr; gap: 28px; margin-bottom: 58px; padding-top: 36px; padding-bottom: 36px; }
  .privacy-copy { align-self: auto; }
  summary b { font-size: 18px; }
  summary small { font-size: 15px; }
  details > p { margin-left: 61px; font-size: 17px; }
  .site-footer { padding: 0 5% 26px; }
}
@media (max-width: 430px) {
  .site-header { padding: 21px 0; }
  .hero { padding-top: 43px; }
  .hero-lead { font-size: 17px; }
  .phone-frame { width: min(100%, 255px); }
  .section-intro h2 { margin-bottom: 32px; }
  .footer-main, .footer-bottom { display: grid; gap: 7px; }
}