:root {
  color-scheme: dark;
  --bg: #0b1020;
  --surface: #11182a;
  --surface-raised: #151e33;
  --line: rgba(188, 203, 233, .12);
  --text: #f4f6fc;
  --muted: #a5aec2;
  --soft: #d0d7e6;
  --blue: #a6b8ff;
  --violet: #b4a2ff;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html[lang="ko"] { word-break: keep-all; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  color: var(--text);
  background: radial-gradient(ellipse at 50% -18%, rgba(103, 121, 217, .20), transparent 54%), var(--bg);
  font-family: "DM Sans", "Noto Sans JP", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.navbar {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 32, .82);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.navbar-container {
  max-width: var(--max); min-height: 76px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: -.04em; }
.logo-icon-wrap {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px;
  color: #101527; background: linear-gradient(140deg, #dce2ff, #9daeff); font-size: 17px;
  box-shadow: 0 7px 24px rgba(137, 156, 255, .23);
}
.logo-text { font-size: 1.13rem; }
.nav-menu { display: flex; align-items: center; gap: clamp(20px, 3vw, 38px); }
.nav-link, .language-picker summary {
  color: var(--muted); font-size: .9rem; font-weight: 600; text-decoration: none; transition: color .18s ease;
}
.nav-link:hover, .nav-link.on, .language-picker summary:hover { color: var(--text); }
.language-picker { position: relative; }
.language-picker summary { display: flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; }
.language-picker summary::-webkit-details-marker { display: none; }
.language-icon { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.language-menu {
  position: absolute; top: calc(100% + 18px); right: 0; z-index: 25; min-width: 146px; max-height: 360px; overflow: auto;
  padding: 7px; border: 1px solid var(--line); border-radius: 14px; background: #131b2e;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .38);
}
.language-option { display: block; padding: 9px 11px; border-radius: 9px; color: var(--muted); font-size: .88rem; text-decoration: none; }
.language-option:hover, .language-option.on { color: var(--text); background: rgba(167, 184, 255, .12); }
.shell { width: min(var(--max), 100% - 56px); margin-inline: auto; }
.home-page, .app-page { flex: 1; }
.home-hero {
  min-height: 480px; padding-top: 80px; padding-bottom: 68px; display: grid;
  grid-template-columns: 1.08fr .92fr; align-items: center; gap: 36px;
}
.hero-copy { position: relative; z-index: 1; max-width: 630px; }
.eyebrow { margin: 0 0 22px; color: #a8b5e1; font-size: .72rem; font-weight: 700; letter-spacing: .16em; }
.eyebrow-mark { display: inline-block; width: 7px; height: 7px; margin-right: 10px; border-radius: 50%; background: #a9b7ff; box-shadow: 0 0 15px rgba(169, 183, 255, .8); vertical-align: 1px; }
.home-hero h1 { max-width: 690px; margin: 0; white-space: pre-line; font-size: clamp(2.8rem, 5vw, 4rem); line-height: 1.1; letter-spacing: -.065em; font-weight: 700; word-break: keep-all; }
.hero-description { max-width: 550px; margin: 24px 0 28px; color: var(--muted); font-size: 1.05rem; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 11px; color: #d5dcff; font-weight: 700; font-size: .94rem; text-decoration: none; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, 3px); }
.hero-art { position: relative; height: 350px; display: grid; place-items: center; isolation: isolate; }
.art-glow { position: absolute; z-index: -2; width: min(380px, 85%); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(114, 124, 231, .32), rgba(99, 107, 180, .08) 54%, transparent 70%); filter: blur(8px); }
.orbit { position: absolute; border: 1px solid rgba(192, 201, 255, .16); border-radius: 50%; transform: rotate(-25deg); }
.orbit-one { width: 310px; height: 175px; }
.orbit-two { width: 400px; height: 225px; transform: rotate(34deg); border-color: rgba(192, 201, 255, .09); }
.art-tile { position: absolute; display: grid; place-items: center; border: 1px solid rgba(239, 242, 255, .24); border-radius: 30px; box-shadow: 0 26px 70px rgba(0, 0, 0, .42), inset 0 1px rgba(255, 255, 255, .2); }
.tile-back { width: 136px; height: 158px; margin: -56px -124px 0 0; color: #d7d5ff; background: linear-gradient(145deg, #6965a4, #292c53); font-size: 4rem; font-weight: 700; transform: rotate(12deg); }
.tile-front { width: 158px; height: 180px; margin: 20px 56px 0 0; background: linear-gradient(145deg, #dfe4ff, #9eabdc 56%, #6977bb); color: #222944; transform: rotate(-9deg); }
.tile-k { font-size: 5.3rem; font-weight: 800; letter-spacing: -.12em; transform: translateX(-4px); }
.tile-caption { position: absolute; bottom: 18px; font-size: .57rem; font-weight: 800; letter-spacing: .24em; }
.spark { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #dbe0ff; box-shadow: 0 0 20px 5px rgba(203, 211, 255, .42); }
.spark-one { top: 54px; right: 18%; }.spark-two { bottom: 52px; left: 16%; width: 5px; height: 5px; }.spark-three { top: 40%; right: 9%; width: 4px; height: 4px; }
.apps-section { padding-top: 24px; padding-bottom: 100px; scroll-margin-top: 92px; }
.section-intro { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.section-intro .eyebrow { margin-bottom: 13px; }
.section-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.section-heading-row h2, .contact-section h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.25rem); letter-spacing: -.045em; }
.section-heading-row p, .contact-section p { margin: 0; color: var(--muted); font-size: .92rem; }
.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 18px; padding-top: 24px; }
.app-card {
  position: relative; min-height: 300px; padding: 26px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px;
  background: linear-gradient(145deg, rgba(23, 32, 54, .92), rgba(16, 23, 40, .94));
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.app-card::after { content: ""; position: absolute; top: -105px; right: -95px; width: 220px; height: 220px; border-radius: 50%; background: rgba(146, 155, 255, .065); filter: blur(2px); pointer-events: none; }
.app-card:hover { transform: translateY(-4px); border-color: rgba(172, 184, 255, .3); box-shadow: 0 20px 50px rgba(0, 0, 0, .24); }
.app-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 25px; }
.app-card-icon { width: 54px; height: 54px; border-radius: 16px; object-fit: cover; border: 1px solid rgba(255, 255, 255, .16); }
.app-index { color: #7f8aa4; font-size: .63rem; font-weight: 700; letter-spacing: .13em; }
.app-card h3 { margin: 0 0 9px; font-size: 1.35rem; letter-spacing: -.04em; }
.app-card h3 a { text-decoration: none; }
.app-card h3 a span { color: #9aa8ff; font-size: .92em; opacity: 0; transition: opacity .2s ease; }
.app-card:hover h3 a span { opacity: 1; }
.tagline { min-height: 52px; max-width: 500px; margin: 0; color: var(--muted); font-size: .89rem; line-height: 1.7; }
.card-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 19px; }
.btn { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 15px; border-radius: 11px; font-size: .82rem; font-weight: 700; text-decoration: none; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #13182b; background: linear-gradient(135deg, #dce2ff, #aebcff); box-shadow: 0 6px 20px rgba(153, 168, 255, .14); }
.btn-primary:hover { background: #eef0ff; }
.btn-secondary { color: var(--soft); border: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.btn-secondary:hover { border-color: rgba(188, 203, 233, .28); background: rgba(255, 255, 255, .06); }
.contact-section { display: flex; justify-content: space-between; align-items: center; gap: 28px; margin-bottom: 76px; padding: 29px 32px; border: 1px solid var(--line); border-radius: 20px; background: rgba(18, 26, 45, .72); }
.contact-section .eyebrow { margin-bottom: 10px; }.contact-section h2 { margin-bottom: 7px; font-size: 1.45rem; }.contact-email { flex: none; color: #dce2ff; font-size: .9rem; font-weight: 700; text-decoration: none; }.contact-email span { margin-left: 7px; color: #9eacff; }
.app-page { padding-top: 38px; padding-bottom: 84px; }
.app-hero-grid { min-height: 480px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 38px; }
.hero-title { margin: 0; }.title-sub { display: block; margin-bottom: 11px; color: var(--soft); font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.35; }.title-main { display: block; font-size: clamp(3rem, 6vw, 5rem); line-height: 1.05; letter-spacing: -.065em; }.accent-text { color: #c5ceff; }.hero-text-side .hero-description { margin-top: 20px; }.store-cta { min-height: 62px; gap: 14px; padding: 8px 16px; }.store-cta small, .store-cta strong { display: block; }.store-cta small { font-size: .62rem; font-weight: 500; opacity: .75; }.store-cta strong { font-size: .9rem; }.play-symbol { font-size: 1.1rem; }.store-cta .arrow { margin-left: 18px; font-size: 1.05rem; }
.app-visual { position: relative; min-height: 400px; display: flex; justify-content: center; align-items: center; isolation: isolate; }.app-visual::before { content: ""; position: absolute; z-index: -2; width: 360px; max-width: 95%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(108, 122, 232, .22), transparent 70%); }.visual-orbit { position: absolute; z-index: -1; width: 90%; max-width: 440px; height: 210px; border: 1px solid rgba(191, 201, 255, .14); border-radius: 50%; transform: rotate(-22deg); }
.phone { width: min(225px, 43%); border: 1px solid rgba(255, 255, 255, .15); border-radius: 27px; box-shadow: 0 28px 72px rgba(0, 0, 0, .46); }.phone-first { transform: rotate(-7deg) translate(18px, -2px); z-index: 1; }.phone-second { transform: rotate(6deg) translate(-12px, 16px); }.app-visual-icon { width: min(250px, 60%); aspect-ratio: 1; object-fit: cover; border-radius: 26%; border: 1px solid rgba(255, 255, 255, .18); box-shadow: 0 28px 72px rgba(0, 0, 0, .42); }
.stat-band { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 14px; padding: 21px; border: 1px solid var(--line); border-radius: 19px; background: rgba(18, 26, 45, .72); }.stat { padding: 7px 12px; }.stat-value { color: #d7ddff; font-size: 1.75rem; font-weight: 700; letter-spacing: -.05em; }.stat-label { margin-top: 3px; color: var(--muted); font-size: .78rem; }
.app-content-section { margin-top: 56px; }.section-heading { margin: 0 0 18px; font-size: 1.45rem; letter-spacing: -.04em; }.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 14px; }.feature-card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(18, 26, 45, .72); }.feature-card h3 { margin: 13px 0 7px; font-size: 1rem; }.feature-card p { margin: 0; color: var(--muted); font-size: .87rem; line-height: 1.7; }.mode-icon { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--mode-color, #bac5ff) 28%, transparent); border-radius: 12px; color: var(--mode-color, #bac5ff); background: color-mix(in srgb, var(--mode-color, #bac5ff) 10%, transparent); }.material-icons-round { display: inline-block; font-family: "Material Icons Round"; font-weight: normal; font-style: normal; font-size: 23px; line-height: 1; letter-spacing: normal; text-transform: none; white-space: nowrap; word-wrap: normal; direction: ltr; font-feature-settings: "liga"; -webkit-font-feature-settings: "liga"; -webkit-font-smoothing: antialiased; }.highlight-card { display: flex; align-items: center; gap: 14px; }.highlight-card .mode-icon { flex: 0 0 40px; }.doc-container { width: min(850px, 100% - 48px); padding-top: 58px; padding-bottom: 82px; flex: 1; }.doc-card { padding: clamp(24px, 5vw, 52px); border: 1px solid var(--line); border-radius: 22px; background: rgba(18, 26, 45, .78); }.updated { margin: 0 0 10px; color: #8f9bb7; font-size: .75rem; font-weight: 600; letter-spacing: .04em; }.doc-card h1 { margin: 0 0 28px; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.05em; }.doc-card h2 { margin: 30px 0 11px; color: #e7eaff; font-size: 1.1rem; letter-spacing: -.025em; }.doc-card p, .doc-card li { color: #c0c9db; font-size: .92rem; line-height: 1.85; overflow-wrap: anywhere; }.doc-card p { margin: 9px 0; }.doc-card ul { margin: 10px 0; padding-left: 1.4rem; }.doc-card li { margin: 5px 0; }
.site-footer { margin-top: auto; border-top: 1px solid var(--line); }.footer-inner { width: min(var(--max), 100% - 56px); min-height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }.footer-brand { display: flex; align-items: center; gap: 14px; min-width: 0; }.footer-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--soft); font-size: .8rem; font-weight: 700; text-decoration: none; }.footer-logo-mark { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 8px; color: #101527; background: linear-gradient(140deg, #dce2ff, #9daeff); font-size: .75rem; font-weight: 800; }.footer-copyright { color: #7f8aa4; font-size: .76rem; white-space: nowrap; }.footer-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px 20px; }.footer-links a { color: #8792aa; font-size: .77rem; text-decoration: none; text-underline-offset: 4px; transition: color .18s ease; }.footer-links a:hover { color: #aebcff; text-decoration: underline; }.footer-links a:first-child { overflow-wrap: anywhere; }
@media (max-width: 760px) {
  .navbar-container { min-height: 68px; padding-inline: 22px; }.shell { width: min(var(--max), 100% - 44px); }
  .home-hero { min-height: 0; grid-template-columns: 1fr; gap: 0; padding-top: 65px; padding-bottom: 30px; }.hero-copy { max-width: 620px; }.home-hero h1 { font-size: clamp(2.8rem, 10vw, 4.3rem); }.hero-art { height: 285px; margin-top: 4px; }.apps-section { padding-bottom: 68px; }.section-heading-row { align-items: flex-start; flex-direction: column; gap: 7px; }.contact-section { margin-bottom: 54px; padding: 24px; }
  .app-page { padding-top: 20px; }.app-hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 5px; }.hero-text-side { padding-top: 35px; }.app-visual { min-height: 340px; }.app-content-section { margin-top: 42px; }
  .footer-inner { width: min(var(--max), 100% - 44px); min-height: 0; padding-block: 18px; align-items: center; flex-direction: column; gap: 14px; }.footer-brand { justify-content: center; gap: 12px; }.footer-links { width: 100%; justify-content: center; gap: 8px 18px; text-align: center; }
}
@media (max-width: 480px) {
  .navbar-container { padding-inline: 16px; gap: 12px; }.nav-menu { gap: 15px; }.nav-link, .language-picker summary { font-size: .82rem; }.logo-icon-wrap { width: 31px; height: 31px; border-radius: 10px; }.logo-text { font-size: 1.02rem; }
  .shell { width: calc(100% - 32px); }.home-hero { padding-top: 54px; }.hero-description { font-size: .94rem; }.hero-art { height: 250px; }.orbit-one { width: 270px; }.orbit-two { width: 330px; }.tile-front { width: 138px; height: 158px; }.tile-back { width: 120px; height: 140px; }.apps-grid { grid-template-columns: 1fr; }.app-card { min-height: 0; padding: 22px; }.tagline { min-height: 0; }.contact-section { align-items: flex-start; flex-direction: column; gap: 20px; }
  .doc-container { width: calc(100% - 24px); padding-top: 24px; }.doc-card { padding: 22px 19px; border-radius: 17px; }.doc-card p, .doc-card li { font-size: .88rem; }.footer-inner { width: calc(100% - 32px); }.footer-links { column-gap: 15px; }
  .title-main { font-size: clamp(2.8rem, 13vw, 4rem); }.app-visual { min-height: 290px; }.phone { width: min(182px, 44%); }.stat-band { grid-template-columns: repeat(2, 1fr); padding: 14px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }

.doc-container { margin-inline: auto; }