:root {
  --ink: #111113;
  --paper: #f4f1ec;
  --red: #df4055;
  --muted: #706b6d;
  --line: rgba(17, 17, 19, .18);
  --max: 1260px;
  color-scheme: light;
  font-family: Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", "Hiragino Sans", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
button, select, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid rgba(223, 64, 85, .35); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 3000; top: 8px; left: 8px; padding: 10px 14px; background: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; padding: 0 28px; transition: background .2s, border-color .2s; }
.site-header.is-scrolled { background: rgba(244, 241, 236, .95); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-shell { width: min(100%, var(--max)); height: 70px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.wordmark { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 20px; font-weight: 760; letter-spacing: -.055em; text-decoration: none; }
.wordmark b { color: var(--red); font-weight: inherit; }
.brand-mark { position: relative; width: 26px; height: 15px; display: inline-block; }
.brand-mark i { position: absolute; top: 1px; width: 16px; height: 13px; border: 3px solid currentColor; border-radius: 50%; }
.brand-mark i:first-child { left: 0; border-right-color: transparent; }
.brand-mark i:last-child { right: 0; border-left-color: transparent; }
.desktop-nav { display: flex; gap: 34px; margin-left: auto; margin-right: 54px; }
.desktop-nav a { color: #4d494b; font-size: 13px; font-weight: 700; text-decoration: none; }
.desktop-nav a:hover { color: var(--red); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.language-picker { position: relative; display: block; }
.language-picker::after { content: "⌄"; position: absolute; right: 0; top: 4px; font-size: 11px; pointer-events: none; }
.language-picker select { min-width: 86px; padding: 5px 18px 5px 0; border: 0; background: transparent; color: var(--ink); font-size: 12px; font-weight: 700; appearance: none; cursor: pointer; }
.nav-cta, .primary-cta, .light-cta { border: 0; cursor: pointer; font-weight: 750; }
.nav-cta { padding: 12px 18px; background: var(--ink); color: #fff; font-size: 12px; }

.hero { min-height: 900px; padding: 96px 28px 48px; border-bottom: 1px solid var(--line); }
.hero-grid { width: min(100%, var(--max)); min-height: 750px; margin: auto; display: grid; grid-template-columns: minmax(0, 540px) minmax(0, 680px); align-items: center; justify-content: space-between; gap: 40px; }
.hero-grid > *, .how > *, .trust-inner > * { min-width: 0; }
.hero-copy { align-self: center; max-width: 690px; padding-bottom: 10px; }
.eyebrow { display: flex; align-items: center; gap: 15px; margin: 0 0 30px; color: #514c4e; font-size: 11px; font-weight: 720; letter-spacing: .02em; }
.eyebrow span:first-child { color: var(--red); letter-spacing: .14em; }
.eyebrow span + span { padding-left: 15px; border-left: 1px solid var(--line); }
.hero h1 { max-width: 690px; margin: 0; font-size: clamp(54px, 5.1vw, 74px); line-height: 1.03; letter-spacing: -.075em; font-weight: 790; }
.hero-lede { max-width: 620px; margin: 34px 0 0; color: #595456; font-size: 17px; line-height: 1.75; word-break: keep-all; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.primary-cta { min-width: 190px; padding: 17px 20px; display: inline-flex; align-items: center; justify-content: space-between; background: var(--red); color: #fff; }
.primary-cta:hover { background: #c93348; }
.text-link { padding: 8px 0 6px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 720; text-decoration: none; }
.platform-note { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 28px; color: #777174; font-size: 10px; letter-spacing: .01em; }
.platform-note span + span { padding-left: 12px; border-left: 1px solid var(--line); }
.mockup-gallery { position: relative; width: 680px; height: 740px; margin: 0; justify-self: end; isolation: isolate; }
.mockup-gallery::before { content: ""; position: absolute; z-index: 1; inset: 44px 0 28px 56px; border: 1px solid rgba(17,17,19,.24); pointer-events: none; }
.mockup-backdrop { position: absolute; z-index: 0; inset: 45px 0 auto 56px; width: 624px; height: 667px; object-fit: cover; object-position: 62% center; }
.device-shot { position: absolute; display: block; height: auto; filter: drop-shadow(0 24px 28px rgba(18,9,12,.24)); transform-origin: center bottom; }
.device-match { z-index: 4; top: 0; left: 202px; width: 292px; }
.device-profile { z-index: 2; top: 190px; left: 20px; width: 236px; transform: rotate(-7deg); }
.device-reveal { z-index: 3; top: 126px; right: 4px; width: 236px; transform: rotate(7deg); }

.section { width: min(calc(100% - 56px), var(--max)); margin: auto; padding: 112px 0; }
.section-kicker { margin: 0 0 20px; color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.how { display: grid; grid-template-columns: minmax(250px, .72fr) 1.28fr; gap: 80px; }
.section-intro h2, .trust h2 { margin: 0; font-size: clamp(38px, 4vw, 56px); line-height: 1.08; letter-spacing: -.065em; }
.process-list { border-top: 1px solid var(--ink); }
.process-list article { display: grid; grid-template-columns: 42px 1fr auto; gap: 20px; align-items: start; padding: 26px 0 28px; border-bottom: 1px solid var(--line); }
.process-list article > div { min-width: 0; }
.process-number { color: var(--red); font: 700 11px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.process-list h3 { margin: 0 0 9px; font-size: 20px; letter-spacing: -.035em; }
.process-list p { max-width: 490px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; word-break: keep-all; }
.process-note { padding-top: 4px; color: #8a8487; font: 650 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; white-space: nowrap; }

.trust { padding: 96px 28px; background: var(--ink); color: #f8f5f0; }
.trust-inner { width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.trust .section-kicker { color: #ff6b7e; }
.safety-list { border-top: 1px solid rgba(255,255,255,.45); }
.safety-list p { display: grid; grid-template-columns: 45px 1fr; gap: 12px; margin: 0; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.safety-list p span { color: #ff6b7e; font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.safety-list p strong { font-size: 16px; font-weight: 650; }
.safety-list a { display: inline-block; margin-top: 25px; color: #d3cdca; font-size: 12px; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.45); padding-bottom: 5px; }

.final-cta { width: min(calc(100% - 56px), var(--max)); margin: auto; padding: 72px 0; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.final-cta p { margin: 0 0 10px; color: var(--red); font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.final-cta h2 { margin: 0; font-size: clamp(30px, 3.3vw, 46px); line-height: 1.12; letter-spacing: -.055em; }
.light-cta { min-width: 190px; padding: 17px 20px; display: flex; align-items: center; justify-content: space-between; background: var(--ink); color: #fff; }
.light-cta:hover { background: var(--red); }

footer { padding: 0 28px; border-top: 1px solid var(--line); }
.footer-top, .footer-bottom { width: min(100%, var(--max)); margin: auto; display: flex; align-items: center; justify-content: space-between; }
.footer-top { padding: 30px 0 24px; }
.footer-top p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-bottom { padding: 19px 0 25px; border-top: 1px solid var(--line); color: #7f797c; font-size: 10px; }
.footer-bottom nav { display: flex; gap: 22px; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: var(--ink); }

.modal { position: fixed; inset: 0; z-index: 2500; display: grid; place-items: center; padding: 20px; visibility: hidden; opacity: 0; transition: opacity .18s, visibility .18s; }
.modal.is-open { visibility: visible; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: rgba(8,8,10,.68); cursor: default; }
.modal-sheet { position: relative; width: min(100%, 470px); padding: 42px; background: var(--paper); box-shadow: 0 24px 80px rgba(0,0,0,.3); }
.modal-close { position: absolute; top: 14px; right: 16px; width: 35px; height: 35px; border: 0; background: transparent; color: var(--ink); font-size: 25px; cursor: pointer; }
.modal-label { color: var(--red); font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
.modal h2 { margin: 15px 0 14px; font-size: 35px; line-height: 1.12; letter-spacing: -.055em; }
.modal-sheet > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.store-options { display: grid; gap: 8px; margin-top: 27px; }
.store-option { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; min-height: 68px; padding: 11px 15px; border: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.store-option:hover { border-color: var(--ink); }
.store-option small, .store-option strong { display: block; }
.store-option small { color: var(--muted); font-size: 9px; }
.store-option strong { margin-top: 2px; font-size: 15px; }
.store-icon { font-size: 26px; }
.play-icon { width: 22px; height: 25px; display: block; background: var(--ink); clip-path: polygon(0 0, 100% 50%, 0 100%); }
.modal-footnote { display: block; margin-top: 15px; color: #8a8487; font-size: 10px; line-height: 1.5; }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .hero { min-height: 0; padding-top: 120px; }
  .hero-grid { min-height: 0; grid-template-columns: minmax(0, 1fr); gap: 52px; }
  .hero-copy { max-width: 760px; padding: 25px 0 0; }
  .mockup-gallery { justify-self: center; }
  .how { grid-template-columns: minmax(0, 1fr); gap: 55px; }
  .trust-inner { grid-template-columns: minmax(0, 1fr); gap: 50px; }
}

@media (max-width: 600px) {
  .site-header { padding: 0 18px; }
  .nav-shell { height: 62px; }
  .wordmark { font-size: 18px; }
  .nav-actions { gap: 9px; }
  .language-picker select { min-width: 70px; font-size: 11px; }
  .nav-cta { padding: 10px 12px; font-size: 11px; }
  .hero { padding: 105px 20px 42px; }
  .hero-grid { gap: 45px; }
  .eyebrow { margin-bottom: 23px; font-size: 10px; }
  .hero h1 { font-size: clamp(39px, 12vw, 52px); line-height: 1.07; }
  .hero-lede { margin-top: 24px; font-size: 15px; line-height: 1.7; }
  .hero-actions { align-items: stretch; gap: 19px; margin-top: 29px; }
  .primary-cta { min-width: 166px; padding: 15px 17px; font-size: 13px; }
  .text-link { align-self: center; font-size: 12px; }
  .mockup-gallery { width: 350px; height: 520px; }
  .mockup-gallery::before { inset: 22px 0 18px 18px; }
  .mockup-backdrop { inset: 23px 0 auto 18px; width: 332px; height: 468px; object-position: 68% center; }
  .device-match { top: 0; left: 73px; width: 210px; }
  .device-profile { top: 130px; left: 3px; width: 148px; }
  .device-reveal { top: 92px; right: 0; width: 148px; }
  .section { width: calc(100vw - 40px); padding: 82px 0; }
  .section-intro h2, .trust h2 { font-size: 39px; }
  .process-list article { grid-template-columns: 32px 1fr; gap: 12px; padding: 22px 0 24px; }
  .process-note { display: none; }
  .process-list h3 { font-size: 18px; }
  .process-list p { font-size: 13px; }
  .trust { padding: 76px 20px; }
  .trust-inner { gap: 42px; }
  .safety-list p { grid-template-columns: 36px 1fr; padding: 18px 0; }
  .safety-list p strong { font-size: 14px; }
  .final-cta { width: calc(100vw - 40px); padding: 58px 0; align-items: stretch; flex-direction: column; }
  .light-cta { width: 100%; }
  footer { padding: 0 20px; }
  .footer-top { align-items: flex-start; gap: 16px; flex-direction: column; }
  .footer-bottom { align-items: flex-start; gap: 17px; flex-direction: column; }
  .modal-sheet { padding: 36px 24px 28px; }
  .modal h2 { font-size: 30px; }
}

@media (max-width: 355px) {
  .nav-cta { display: none; }
  .mockup-gallery { width: 280px; height: 430px; }
  .mockup-gallery::before { inset: 18px 0 18px 12px; }
  .mockup-backdrop { inset: 19px 0 auto 12px; width: 268px; height: 390px; }
  .device-match { left: 57px; width: 174px; }
  .device-profile { top: 112px; left: 2px; width: 122px; }
  .device-reveal { top: 82px; right: 0; width: 122px; }
  .hero h1 { font-size: 34px; }
  .hero-lede { font-size: 14px; }
  html[data-locale="ja"] .hero h1 { font-size: 33px; letter-spacing: -.055em; }
  .hero-actions { flex-direction: column; }
  .text-link { align-self: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}