:root{color-scheme:dark;--bg:#050a16;--surface:#0a1427;--surface2:#0e1d35;--line:#263d62;--text:#f5f8ff;--muted:#a8b7d0;--blue:#4f96ff;--green:#38d795;--purple:#b68cff;--yellow:#f5c451;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans KR","Noto Sans JP","Noto Sans SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65;letter-spacing:0}a{color:inherit}img{display:block;max-width:100%}button,input,select{font:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.skip{position:fixed;left:-9999px;top:10px;z-index:99}.skip:focus{left:10px;padding:10px;background:#fff;color:#000}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(113,145,191,.26);background:rgba(5,10,22,.9);backdrop-filter:blur(18px)}.header-row{min-height:70px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:18px;font-weight:850;white-space:nowrap}.brand img{width:40px;height:40px;border-radius:7px}.site-nav{display:flex;align-items:center;gap:23px;margin-left:auto}.site-nav a{text-decoration:none;color:#c6d3e8;font-size:14px;font-weight:700}.site-nav 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100%)}.hero-content{position:relative;z-index:1;max-width:730px;padding:90px 0}.kicker{margin:0 0 12px;color:#7fb3ff;font-size:13px;font-weight:900;text-transform:uppercase}.hero h1,.page-hero h1{margin:0;font-size:clamp(42px,6vw,70px);line-height:1.05;letter-spacing:0}.hero-copy{max-width:650px;margin:22px 0 0;color:#d5e0f1;font-size:20px}.hero-actions,.section-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.proof{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.proof span{padding:7px 10px;border:1px solid rgba(173,201,237,.3);border-radius:5px;background:rgba(5,15,33,.62);color:#d9e7fa;font-size:13px;font-weight:750}.flow-band{border-block:1px solid var(--line);background:#081328}.flow{display:grid;grid-template-columns:1fr 70px 1fr 70px 1fr;align-items:center;padding:30px 0}.flow-item{display:flex;align-items:center;gap:15px}.flow-icon{width:54px;height:54px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #3d5d8c;border-radius:8px;background:#10213d;font-size:25px}.flow strong,.flow span{display:block}.flow span{color:var(--muted);font-size:13px}.flow-arrow{text-align:center;color:#6ea8ff;font-size:26px}section{padding:82px 0}.section-head{max-width:760px;margin-bottom:32px}.section-head.center{text-align:center;margin-inline:auto}.section-head h2{margin:0;font-size:clamp(32px,4vw,45px);line-height:1.15}.section-head p{margin:14px 0 0;color:var(--muted);font-size:18px}.use-grid,.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.use-card,.feature-card{padding:22px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}.use-card{min-height:190px}.use-card .symbol{font-size:28px}.use-card h3,.feature-card h3{margin:14px 0 6px;font-size:19px}.use-card p,.feature-card p{margin:0;color:var(--muted);font-size:14px}.why{border-block:1px solid var(--line);background:#081124}.feature-grid{grid-template-columns:repeat(5,1fr)}.feature-card{min-height:214px;border-top:3px solid var(--blue)}.feature-card:nth-child(2),.feature-card:nth-child(5){border-top-color:var(--green)}.feature-card:nth-child(3){border-top-color:var(--yellow)}.web-section{overflow:hidden}.web-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.viewer-mock{border:1px solid #34517b;border-radius:8px;background:#071124;box-shadow:0 30px 80px rgba(0,0,0,.35);overflow:hidden}.viewer-mock-head{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid #263c5e;color:#dbe7f8;font-size:13px;font-weight:800}.live-dot{color:#7bf0b7}.mock-video{aspect-ratio:16/10;display:grid;place-items:center;background:linear-gradient(150deg,#0c264a,#02050c);color:#86b8ff;font-size:56px}.mock-controls{display:flex;justify-content:space-between;padding:14px;color:#aebed5;font-size:13px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.step{min-height:195px;padding:24px;border-left:3px solid var(--blue);background:#0a1529}.step b{display:grid;place-items:center;width:34px;height:34px;border-radius:5px;background:#1d5cae;color:#fff}.step h3{margin:16px 0 6px}.step p{margin:0;color:var(--muted)}.privacy-band{border-block:1px solid #254c48;background:#07201e}.privacy-layout{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}.privacy-layout p{max-width:800px;color:#b9d9d3}.page-hero{padding:76px 0 58px;background:linear-gradient(145deg,#0d2449,#050a16 68%)}.page-hero h1{max-width:850px;font-size:clamp(38px,5vw,62px)}.page-hero p{max-width:760px;color:#bdcbe0;font-size:18px}.content-band{padding:62px 0}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.info-panel{padding:25px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}.info-panel h2,.info-panel h3{margin:0 0 8px}.info-panel p,.info-panel li{color:var(--muted)}.guide-list{display:grid;gap:1px;border:1px solid var(--line);background:var(--line)}.guide-step{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:22px;background:var(--surface)}.guide-step b{display:grid;place-items:center;width:42px;height:42px;border-radius:6px;background:#1b5ba9}.guide-step h3{margin:0}.guide-step p{margin:5px 0 0;color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{padding:20px 40px 20px 0;cursor:pointer;font-weight:850;list-style:none}.faq-list 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.promo-band{padding:54px 0;background:#050a16}.promo-band-primary{padding-top:66px}.promo-band-pair{border-block:1px solid var(--line);background:#071022}.promo-band-live{padding-top:28px}.promo-media{display:block;margin:0;overflow:hidden;border:1px solid #29466e;border-radius:8px;background:#0a1427;box-shadow:0 24px 70px rgba(0,0,0,.24)}.promo-media img{width:100%;height:100%;object-fit:cover}.promo-media-wide{aspect-ratio:1280/670}.promo-pair{display:grid;grid-template-columns:minmax(260px,.67fr) minmax(0,1.33fr);gap:18px;align-items:center}.promo-media-portrait{aspect-ratio:853/1280;max-height:720px}.promo-media-landscape{aspect-ratio:1280/670}.promo-media-square{aspect-ratio:1;max-width:900px;margin-inline:auto}
@media(max-width:980px){.site-nav{position:absolute;left:18px;right:18px;top:66px;display:none;flex-direction:column;align-items:stretch;padding:16px;border:1px solid var(--line);border-radius:7px;background:#081326}.site-nav.open{display:flex}.menu-button{display:grid;place-items:center}.header-actions .button{display:none}.flow{grid-template-columns:1fr 34px 1fr 34px 1fr}.flow-item{display:block;text-align:center}.flow-icon{margin:0 auto 8px}.use-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.web-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.promo-pair{grid-template-columns:minmax(220px,.75fr) minmax(0,1.25fr)}}
@media(max-width:620px){.wrap{width:min(100% - 28px,1160px)}.header-row{gap:9px}.brand span{font-size:15px}.brand img{width:34px;height:34px}.language-select{width:88px;padding:0 24px 0 8px;font-size:12px}.hero{min-height:680px;background-position:64% 50%}.hero:before{background:linear-gradient(rgba(3,8,20,.75),rgba(3,8,20,.96) 58%)}.hero-content{padding:76px 0 58px}.hero h1{font-size:42px}.hero-copy{font-size:17px}.hero-actions .button{width:100%}.flow{grid-template-columns:1fr;padding:22px 0;gap:8px}.flow-arrow{transform:rotate(90deg)}section{padding:58px 0}.use-grid,.feature-grid,.steps,.content-grid{grid-template-columns:1fr}.use-card,.feature-card{min-height:0}.privacy-layout{grid-template-columns:1fr}.footer-row{grid-template-columns:1fr}.page-hero{padding:52px 0 42px}.page-hero h1{font-size:39px}.promo-band{padding:34px 0}.promo-band-primary{padding-top:40px}.promo-band-live{padding-top:16px}.promo-pair{grid-template-columns:1fr;gap:14px}.promo-media-portrait{max-height:none}.promo-media-square{max-width:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}