:root{--navy:#021e4d;--blue:#1769d2;--brand:#2a84fe;--muted:#4a5f7a;--pale:#eaf1ff;--line:#e4e7ec;--gray:#f5f6f8;--coral:#fe7a74;--dark-coral:#c4402f;--content:1216px;--gutter:max(32px,calc((100vw - var(--content))/2))}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--navy);background:#fff;font-family:'IBM Plex Sans KR','Noto Sans KR',sans-serif;-webkit-font-smoothing:antialiased}p,h1,h2,h3,figure,ol{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.skip-link{position:fixed;left:20px;top:-60px;z-index:100;padding:12px;background:#fff}.skip-link:focus{top:12px}.button{display:flex;align-items:center;justify-content:center;flex:none;padding:0 16px;height:60px;background:var(--blue);color:#fff;border:0;border-radius:20px;font-weight:700;font-size:18px;line-height:32px;white-space:nowrap}.button-outline{background:#fff;color:var(--navy);border:2px solid var(--line)}.site-header{display:flex;align-items:center;justify-content:space-between;padding:26px var(--gutter);height:112px}.brand{flex:none}.brand img{object-fit:contain}.main-nav{display:flex;align-items:flex-start;gap:28px;width:600px;font-weight:700;font-size:16px;line-height:1.45}.main-nav a{width:100px;flex:none}.main-nav a:nth-child(3){width:175px}.header-contact{width:170px}.hero{display:flex;gap:161px;align-items:center;padding:56px var(--gutter) 72px;min-height:748px;overflow:hidden;font-family:'Noto Sans KR',sans-serif}.hero-copy{display:flex;flex-direction:column;gap:24px;width:650px;flex:none}.eyebrow{display:flex;align-items:center;gap:12px;font:700 24px/1.5 'Noto Sans KR',sans-serif;white-space:nowrap}.eyebrow:before{content:'';display:block;width:4px;height:26px;border-radius:2px;background:currentColor;flex:none}.coral{color:var(--coral)}.blue{color:var(--brand)}.dark-coral{color:var(--dark-coral)}.hero h1,.hero-emphasis{font-weight:900;font-size:49px;line-height:1.5}.hero-emphasis{color:var(--blue)}.hero-description{font-weight:700;font-size:24px;line-height:1.5;color:var(--muted)}.hero-actions{display:flex;gap:12px}.hero-actions .button{height:58px;width:254px}.hero-actions .button-outline{width:242px}.app-preview{display:flex;flex-direction:column;align-items:center;gap:20px;flex:none}.app-preview figcaption{font:400 12px/1.5 'Noto Sans KR',sans-serif;color:var(--muted);white-space:nowrap}.galaxy-device{position:relative;width:278px;height:582px;flex:none}.device-body{position:absolute;inset:0 auto 0 0;width:274px;border-radius:40px;background:#14161a}.device-screen{position:absolute;left:11px;top:11px;width:252px;height:560px;border-radius:30px;overflow:hidden;background:#fff;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;height:50.4px;padding:5.6px 14px;flex:none}.app-header img{object-fit:contain}.app-content{display:flex;flex-direction:column;gap:16.8px;padding:5.6px 14px 16.8px;overflow:auto;scrollbar-width:none;min-height:0;flex:1}.app-content::-webkit-scrollbar{display:none}.app-title{font-size:19.6px;font-weight:900;line-height:28px;flex:none;white-space:nowrap}.app-group{display:flex;flex-direction:column;gap:7px;flex:none}.app-group-title{display:flex;align-items:center;gap:5.6px;font-weight:700;font-size:11.2px;line-height:16.8px}.app-group-title:before{content:'';width:2.8px;height:12.6px;flex:none;border-radius:1.4px;background:var(--navy)}.app-group-title.blue-bar:before{background:var(--brand)}.app-group-title.coral-bar:before{background:var(--coral)}.app-choices{display:flex;flex-direction:column;gap:5.6px}.app-choice{width:224px;display:flex;align-items:center;gap:9.8px;padding:9.8px;border:.7px solid var(--line);border-radius:14px;background:#fff;flex:none}.app-choice span{flex:1;min-width:0;font-size:15.4px;font-weight:700;line-height:23.8px;word-break:keep-all}.object-icon,.chevron{flex:none}.punch-hole{position:absolute;left:133px;top:20px}.device-key{position:absolute;left:273px;width:4px;height:34px;background:#24262b;border-radius:0 2px 2px 0}.volume-up{top:150px}.volume-down{top:190px}.power{top:240px;height:56px}.institutions{display:flex;gap:45px;align-items:center;min-height:97px;padding:32px var(--gutter);background:#0b57d0;color:#fff;font-family:'Noto Sans KR',sans-serif;line-height:1.5;white-space:nowrap}.institutions p{font-size:14px;flex:none}.institutions strong{font-size:22px;font-weight:700;flex:none}.keyring-section{display:flex;gap:80px;align-items:center;padding:72px var(--gutter);min-height:608px;overflow:hidden}.keyring-figure{display:flex;flex-direction:column;align-items:center;gap:28px;width:420px;flex:none;background:var(--pale);border-radius:28px;padding:48px 0 40px}.keyring-figure img{object-fit:contain}.keyring-figure figcaption{font-size:20px;font-weight:700;line-height:1.5;color:var(--blue);text-align:center;width:360px}.keyring-copy{display:flex;flex-direction:column;gap:20px;width:716px;flex:none}.keyring-eyebrow{font-size:24px;font-weight:700;line-height:1.5;color:var(--blue)}.keyring-copy h2{font-size:44px;font-weight:700;line-height:1.5}.keyring-description{font-size:20px;line-height:1.5;color:var(--muted)}.keyring-steps{list-style:none;padding:0;display:flex;gap:24px;font-weight:700;line-height:1.5}.keyring-steps li{width:222px;flex:none;display:flex;flex-direction:column;gap:20px;font-size:20px}.keyring-steps span{font-size:15px;color:var(--blue)}.programs-section{padding:72px var(--gutter);display:flex;flex-direction:column;gap:24px;background:var(--gray);min-height:900px;font-family:'Noto Sans KR',sans-serif}.programs-section h2{font-size:38px;line-height:1.5;font-weight:900}.programs-intro{font-size:17px;line-height:1.5;color:var(--muted)}.program-grid{display:grid;grid-template-columns:repeat(3,389px);grid-auto-rows:242px;gap:24px}.program-card{padding:28px;display:flex;flex-direction:column;align-items:flex-start;gap:20px;background:#fff;border-radius:24px}.program-card .program-number,.program-link{font-size:13px;font-weight:700;line-height:1.5;color:var(--blue)}.program-card h3{font-size:25px;font-weight:700;line-height:1.5;white-space:nowrap}.program-card>p:not(.program-number){font-size:16px;line-height:1.5;color:var(--muted)}.program-link{margin-top:0}.safety-section{display:flex;gap:56px;align-items:center;padding:88px var(--gutter);min-height:629px;overflow:hidden}.safety-copy{display:flex;flex:1;min-width:0;flex-direction:column;gap:25px;overflow:hidden}.safety-copy>.eyebrow,.safety-copy>h2,.safety-copy>p,.safety-copy>hr{width:600px;flex:none}.safety-copy h2{font-weight:700;font-size:43px;line-height:1.45}.safety-description{font-size:20px;line-height:1.45;color:var(--muted)}.safety-copy hr{height:1px;border:0;margin:0;background:var(--line)}.safety-step{font-size:19px;font-weight:700;line-height:1.45}.safety-photo{width:568px;flex:none}.safety-photo img{width:568px;height:426px;object-fit:cover;border-radius:16px}.faq-section{display:flex;flex-direction:column;gap:28px;padding:88px var(--gutter);min-height:486px;background:var(--gray)}.faq-section h2{font-size:36px;line-height:1.45;font-weight:700}.faq-list{display:flex;flex-direction:column;gap:28px}.faq-item{display:flex;gap:48px;border-top:1px solid var(--line);padding-top:28px;line-height:1.45}.faq-item h3{width:420px;flex:none;font-size:20px;font-weight:700}.faq-item p{width:748px;flex:none;font-size:18px;color:var(--muted)}.contact-section{display:flex;gap:80px;align-items:center;padding:88px var(--gutter);min-height:376px;overflow:hidden}.contact-copy{width:850px;flex:none;display:flex;flex-direction:column;gap:20px}.contact-copy h2{font-size:44px;line-height:1.45;font-weight:700}.contact-copy>p:last-child{font-size:21px;line-height:1.45}.contact-section .button{width:260px}.site-footer{display:flex;gap:50px;align-items:center;padding:35px var(--gutter);min-height:113.75px;color:var(--muted);font-size:15px;line-height:1.45}.site-footer img{object-fit:contain}.site-footer p{width:650px;flex:none}.site-footer span{width:250px;flex:none;font-family:'IBM Plex Mono',monospace;font-size:14px}
/* Responsive layout retains the original 1440px composition. */
.menu-toggle{display:none}button:disabled{opacity:1;cursor:default}.site-footer span{font-weight:500}
@media(min-width:1281px){.hero-copy{margin-top:9px}}
@media(max-width:1280px){
 :root{--gutter:40px}.main-nav{width:auto;gap:24px}.main-nav a,.main-nav a:nth-child(3){width:auto}.header-contact{width:148px}
 .hero{gap:60px;justify-content:space-between}.hero-copy{width:auto;flex:1;min-width:0}.hero h1,.hero-emphasis{font-size:44px}.hero-description{font-size:21px}.hero-description br{display:none}.hero-actions .button{width:auto;font-size:16px}
 .institutions{gap:24px;justify-content:space-between}.institutions strong{font-size:19px}.institutions p{font-size:12px}
 .keyring-section{gap:44px}.keyring-figure{width:36%;padding:40px 20px}.keyring-figure img{width:100%;height:auto;max-width:348px}.keyring-figure figcaption{width:auto;font-size:18px}.keyring-copy{width:auto;flex:1;min-width:0}.keyring-copy h2{font-size:36px}.keyring-eyebrow{font-size:20px}.keyring-steps{gap:16px}.keyring-steps li{width:auto;flex:1;font-size:17px}
 .program-grid{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:auto}.program-card{padding:24px;min-height:242px}.program-card h3{font-size:23px;white-space:normal}.program-card>p br{display:none}.program-link{margin-top:auto}
 .safety-section{gap:36px}.safety-copy{overflow:visible}.safety-copy>.eyebrow,.safety-copy>h2,.safety-copy>p,.safety-copy>hr{width:auto}.safety-copy h2{font-size:36px}.safety-description{font-size:18px}.safety-description br{display:none}.safety-photo{width:46%}.safety-photo img{width:100%;height:auto}
 .faq-item{gap:32px}.faq-item h3{width:36%}.faq-item p{width:auto;flex:1}.contact-section{gap:40px;justify-content:space-between}.contact-copy{width:auto;flex:1}.contact-copy h2{font-size:38px}.contact-section .button{width:230px}.site-footer{gap:40px}.site-footer p{width:auto;flex:1}.site-footer span{width:auto}
}
@media(max-width:900px){
 :root{--gutter:28px}.site-header{height:88px;padding:18px var(--gutter);position:relative;flex-wrap:wrap;gap:20px;z-index:5}.brand img{width:125px;height:auto}.header-contact{margin-left:auto;height:48px;width:132px;border-radius:16px;font-size:16px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;order:3;align-items:center;width:44px;height:44px;border:0;background:transparent;border-radius:10px}.menu-toggle span{width:22px;height:2px;background:var(--navy)}.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:white;border-bottom:1px solid var(--line);padding:16px var(--gutter);box-shadow:0 12px 18px #021e4d0a}.main-nav.is-open{display:flex;flex-direction:column;gap:0}.main-nav a,.main-nav a:nth-child(3){width:100%;padding:14px 0}
 .hero{gap:40px;padding-top:48px;padding-bottom:56px;min-height:0}.hero-copy{gap:22px}.hero h1,.hero-emphasis{font-size:36px}.hero-description{font-size:18px}.eyebrow{font-size:20px;white-space:normal}.hero-actions{flex-direction:column;align-items:flex-start}.hero-actions .button{width:100%;max-width:300px}.app-preview figcaption{white-space:normal;max-width:278px;text-align:center}.institutions{flex-wrap:wrap;justify-content:center;gap:18px 28px}.institutions p{width:100%;text-align:center;font-size:14px}.institutions strong{font-size:20px}
 .keyring-section{flex-direction:column;align-items:stretch;gap:36px;min-height:0;padding-top:56px;padding-bottom:56px}.keyring-figure{width:100%;max-width:420px;align-self:center}.keyring-copy{gap:20px}.keyring-steps li{font-size:18px}.keyring-copy h2{font-size:36px}
 .programs-section{padding-top:56px;padding-bottom:56px;min-height:0}.program-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.programs-section h2{font-size:34px}.program-card h3{font-size:24px}
 .safety-section{flex-direction:column;align-items:stretch;padding-top:56px;padding-bottom:56px;min-height:0}.safety-copy{gap:24px}.safety-photo{width:100%;max-width:568px;align-self:center}.safety-copy h2{font-size:36px}.faq-section{padding-top:56px;padding-bottom:56px;min-height:0}.faq-item{flex-direction:column;gap:12px}.faq-item h3{width:auto}.faq-item p{font-size:18px}
 .contact-section{flex-direction:column;align-items:flex-start;padding-top:56px;padding-bottom:56px;min-height:0}.contact-copy h2{font-size:36px}.contact-copy>p:last-child{font-size:19px}.contact-section .button{width:260px}.site-footer{flex-wrap:wrap;gap:24px}.site-footer span{width:100%}
}
@media(max-width:600px){
 :root{--gutter:24px}.site-header{gap:12px}.brand img{width:112px}.header-contact{width:112px;font-size:14px;height:44px}.hero{flex-direction:column;align-items:stretch;gap:44px;padding-top:36px}.hero-copy{gap:20px}.hero h1,.hero-emphasis{font-size:36px;line-height:1.4}.hero .eyebrow{font-size:18px}.hero-description{font-size:18px;line-height:1.65}.hero-actions{gap:12px}.hero-actions .button{max-width:none;height:56px;font-size:17px}.app-preview{align-self:center}.institutions{gap:16px 24px}.institutions strong{font-size:17px}.keyring-copy h2{font-size:30px}.keyring-eyebrow{font-size:18px;word-break:keep-all}.keyring-description{font-size:18px;word-break:keep-all}.keyring-description br{display:none}.keyring-figure{padding:32px 20px;gap:20px}.keyring-steps{gap:12px}.keyring-steps li{font-size:16px;word-break:keep-all;gap:10px}.eyebrow{font-size:18px;line-height:1.6}.programs-section h2{font-size:32px}.programs-intro{line-height:1.7;word-break:keep-all}.program-grid{grid-template-columns:1fr;gap:16px}.program-card{padding:28px;gap:20px;min-height:242px}.program-card h3{font-size:25px}.program-card>p br{display:initial}.program-link{margin-top:0}.safety-copy h2{font-size:32px}.safety-step{font-size:17px;word-break:keep-all}.faq-section h2{font-size:30px}.faq-item h3{font-size:19px;word-break:keep-all}.faq-item p{font-size:17px;line-height:1.7;word-break:keep-all}.contact-copy h2{font-size:31px;word-break:keep-all}.contact-copy>p:last-child{font-size:18px;line-height:1.7;word-break:keep-all}.contact-copy>p:last-child br{display:none}.contact-section .button{width:100%}.site-footer{gap:20px;font-size:14px}.site-footer img{width:110px;height:auto}
}
@media(max-width:360px){:root{--gutter:20px}.site-header{gap:8px}.brand img{width:96px}.header-contact{width:108px}.hero h1,.hero-emphasis{font-size:32px}.program-card{padding:24px}.program-card h3{font-size:23px}.keyring-copy h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:1280px){.hero-description{word-break:keep-all}.hero-description br:after{content:' '}}

@media(max-width:1280px){.safety-description,.program-card>p{word-break:keep-all}}
