:root{--navy:#002b73;--blue:#0b85f4;--blue2:#005aca;--text:#17376f;--muted:#57709b;--line:#cfe3f7;--shadow:0 4px 18px rgba(19,75,137,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:#fff;color:var(--text);font-family:"Noto Sans KR","Noto Sans CJK KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #00adf4;outline-offset:4px}.shell{width:min(1410px,calc(100% - 124px));margin-inline:auto}
.header{height:68px;position:relative;z-index:12;background:rgba(255,255,255,.98);box-shadow:0 1px 9px #daeaf42e}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{flex:0 0 auto;width:175px;height:62px;display:flex;align-items:center}.logo img{width:173px;height:65px;object-fit:contain}.nav-desktop{display:flex;align-items:center;justify-content:center;gap:clamp(20px,2.7vw,43px);margin-left:auto;margin-right:auto;white-space:nowrap}.nav-desktop a{font-size:14px;font-weight:800;color:#063475;transition:color .15s}.nav-desktop a:hover{color:#0687f5}.contact-top{flex:none;display:flex;gap:10px;align-items:center;justify-content:center;background:linear-gradient(125deg,#078fe9,#0054cc);color:white;border-radius:30px;padding:10px 25px;font-size:14px;font-weight:800;box-shadow:0 3px 12px #005cc523}.bubble{background:#fff;color:#0978de;border-radius:100%;font-size:8px;width:20px;height:20px;display:grid;place-items:center;letter-spacing:-2px}.menu-toggle,.mobile-nav{display:none}
.hero{position:relative;height:328px;overflow:hidden;background:linear-gradient(90deg,#f9fdff 0%,white 46%,#f0faff 100%)}.hero-photo{position:absolute;right:0;top:0;height:100%;width:64%;background-image:url('hero-right.webp');background-repeat:no-repeat;background-position:right center;background-size:auto 100%;mask-image:linear-gradient(to right,transparent 0%,#000 16%)}.hero::before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(90deg,#fff9 0%,#fff7 37%,#fff0 68%);pointer-events:none}.hero-left-decoration{position:absolute;left:0;top:0;height:100%;width:145px;background:url('hero-left.webp') no-repeat left center;background-size:145px 100%;mask-image:linear-gradient(to right,#000 70%,transparent 100%);z-index:2;pointer-events:none}.hero-inner{height:100%;position:relative;z-index:3;display:flex;align-items:flex-start}.hero-copy{padding-top:24px;padding-left:80px;max-width:720px}.hero-eyebrow{font-size:17px;line-height:1.3;font-weight:760;color:#032e7d;margin:0 0 12px}.hero-eyebrow span{font-weight:500;color:#077af1}.hero h1{margin:0;color:#002d7a;font-size:clamp(35px,3.15vw,48px);font-weight:900;letter-spacing:-2.8px;line-height:1.17;white-space:nowrap}.hero h1 strong{font-weight:900;color:#078cf4}.hero-description{font-size:14px;color:#344f87;font-weight:570;line-height:1.52;margin:14px 0 18px;max-width:650px}.hero-buttons{display:flex;align-items:center;gap:15px}.pill-btn{display:inline-flex;align-items:center;gap:13px;justify-content:center;padding:12px 25px;font-weight:830;font-size:14px;min-width:207px;border-radius:26px;white-space:nowrap}.pill-btn span{font-size:18px}.pill-btn b{font-weight:500;font-size:25px;line-height:.5}.pill-btn.solid{background:linear-gradient(110deg,#078ff9,#0459ca);color:#fff;box-shadow:0 6px 18px #0577e230}.pill-btn.outline{border:1.8px solid #0075ec;background:#ffffffcb;color:#0654b7}
.features{position:relative;z-index:4;min-height:104px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:center;border-radius:17px;border:1px solid #dce9f7;box-shadow:0 6px 25px #c7def223;background:#ffffffed;margin-top:-3px;margin-bottom:17px;padding:15px 25px}.feature{display:flex;align-items:center;justify-content:center;gap:18px;min-width:0}.feature+.feature{border-left:1px solid #b9daf7}.feature-icon{flex:none;width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#d4edfb,#eaf8ff);color:#00459f}.feature-icon svg{width:45px;height:45px}.feature h2{font-size:20px;margin:0 0 3px;font-weight:900;white-space:nowrap;color:#002e7a}.feature p{font-size:14px;line-height:1.4;font-weight:550;margin:0;color:#4b6493}
.content-row{display:grid;grid-template-columns:215px minmax(0,1fr);column-gap:24px;align-items:start}.section-intro{padding-top:0px}.section-intro h2{display:flex;align-items:center;gap:12px;margin:0 0 8px;font-weight:900;font-size:22px;line-height:1.25;letter-spacing:-1px;color:#002c70}.section-intro h2:before{content:"";height:24px;width:7px;background:linear-gradient(#19aaf7,#0075e8);border-radius:1px}.section-intro p{font-size:14px;color:#5772a4;line-height:1.53;font-weight:650;padding-left:22px;margin:0 0 17px}.inline-link{margin-left:22px;border:1px solid #a9d4f4;color:#0877e0;background:white;border-radius:22px;padding:8px 14px;display:inline-flex;gap:14px;align-items:center;justify-content:center;font-size:13px;font-weight:800;white-space:nowrap}.inline-link span{font-size:23px;font-weight:400;line-height:.6}.inline-link:hover{background:#eaf7ff}.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;min-width:0}.image-card{display:block;min-width:0;border-radius:11px;overflow:hidden;transition:transform .18s,box-shadow .18s}.image-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #0044891c}.image-card img{display:block;width:100%;height:auto;object-fit:contain}.course-grid .image-card{aspect-ratio:293/139}.course-grid .image-card img{width:100%;height:100%;object-fit:fill}.rule{height:1px;background:#e4edf8;margin-block:16px 17px}.partner-grid .image-card{aspect-ratio:293/196}.partner-grid .image-card img{height:100%;object-fit:fill}.after-partners{margin-block:28px 15px}.news-row{margin-bottom:44px}.seminar-desktop{width:100%;max-height:130px;align-self:center}.seminar-desktop img{width:100%;height:auto}.seminar-mobile{display:none}.anchor-marker{display:block;height:0}
footer{border-top:1px solid #edf5fc;background:linear-gradient(#fff,#fdfdff);min-height:87px;display:flex;align-items:center}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.footer-logo{width:126px;flex-shrink:0}.footer-logo img{width:100%;height:auto}.footer-phone{font-weight:900;font-size:15px;color:#00367e;white-space:nowrap}.footer-phone span,.footer-address span,.footer-hours span{color:#008df4;font-size:22px;margin-right:9px}.footer-address,.footer-hours{font-size:12px;font-weight:650;color:#5f79a1;white-space:nowrap}.footer-hours i,.footer-legal i{display:inline-block;height:13px;width:1px;background:#c4d6ee;vertical-align:middle;margin:0 10px}.footer-legal{display:flex;align-items:center;font-size:11px;color:#6882ad;font-weight:700;white-space:nowrap}
@media (max-width:1280px){.shell{width:min(1180px,calc(100% - 65px))}.nav-desktop{gap:19px}.nav-desktop a{font-size:13px}.contact-top{padding:9px 16px}.hero-copy{padding-left:60px}.hero h1{font-size:43px}.content-row{grid-template-columns:190px minmax(0,1fr);gap:15px}.feature{gap:10px}.feature-icon{height:60px;width:60px}.feature-icon svg{height:40px;width:40px}.feature h2{font-size:17px}.feature p{font-size:12px}.footer-inner{justify-content:center;row-gap:10px;padding-block:15px}}
@media (max-width:970px){.shell{width:calc(100% - 42px)}.header{height:65px}.logo{width:160px}.nav-desktop{display:none}.contact-top{margin-left:auto}.menu-toggle{width:42px;height:42px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:white;border:1px solid #bfddf7;border-radius:10px;cursor:pointer}.menu-toggle span{width:20px;height:2px;background:#00458c;border-radius:3px}.mobile-nav{display:grid;position:absolute;top:100%;left:0;right:0;background:white;box-shadow:0 12px 25px #00245e22;padding:15px 21px;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 18px}.mobile-nav[hidden]{display:none}.mobile-nav a{padding:12px;color:#033978;font-size:14px;font-weight:700;border-bottom:1px solid #eef4fb}.mobile-nav .mobile-call{color:#008af6}.hero-copy{padding-left:30px}.hero-left-decoration{opacity:.3}.hero-photo{width:80%;opacity:.72}.hero h1{font-size:40px}.hero::before{background:linear-gradient(90deg,#fff 0%,#fffc 47%,#fff3 100%)}.features{gap:10px;padding:15px}.feature{flex-direction:column;text-align:center;gap:6px}.feature+.feature{border-left:0}.feature h2{font-size:15px}.feature p{font-size:12px}.content-row{grid-template-columns:1fr;gap:12px}.section-intro{display:flex;align-items:center;justify-content:space-between;gap:10px}.section-intro p{display:none}.section-intro .inline-link{margin-left:auto}.rule{margin-block:20px}.news-row{margin-bottom:30px}}
@media (max-width:570px){html{scroll-padding-top:72px}.shell{width:calc(100% - 30px)}.header{height:63px}.logo{width:144px;height:55px}.logo img{width:145px;height:auto}.contact-top{font-size:12px;padding:9px 11px;gap:5px}.contact-top .bubble{display:none}.menu-toggle{height:38px;width:38px}.hero{min-height:350px;height:auto}.hero-photo{width:100%;height:270px;opacity:.26;top:auto;bottom:0;background-size:cover}.hero::before{background:linear-gradient(#fff 4%,#ffffffb0 65%,#e9f9ffe1 100%)}.hero-left-decoration{width:80px;opacity:.17}.hero-copy{padding:38px 3px 36px;max-width:100%}.hero-eyebrow{font-size:13px;margin-bottom:15px}.hero h1{font-size:clamp(29px,7.1vw,40px);letter-spacing:-1.5px;white-space:normal}.hero-description{font-size:12px;margin:19px 0;line-height:1.72;max-width:330px}.desktop-br{display:none}.hero-buttons{gap:8px}.pill-btn{min-width:0;flex:1;padding:13px 5px;font-size:12px;gap:6px}.pill-btn b{font-size:19px}.pill-btn span{font-size:14px}.features{margin-top:13px;margin-bottom:23px;display:grid;grid-template-columns:1fr;gap:13px;padding:17px}.feature{flex-direction:row;text-align:left;justify-content:flex-start;gap:15px}.feature-icon{height:51px;width:51px}.feature-icon svg{width:31px;height:31px}.feature h2{font-size:16px}.feature p{font-size:12px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.content-row{gap:15px}.section-intro{align-items:center}.section-intro h2{font-size:21px;margin:0}.section-intro h2:before{height:23px}.section-intro .inline-link{font-size:11px;padding:7px 9px;gap:5px}.course-grid .image-card{aspect-ratio:293/139}.partner-grid .image-card{aspect-ratio:293/196}.after-partners{margin-block:25px 22px}.seminar-desktop{display:none}.seminar-mobile{display:block;border:1px solid #c9e2f6;border-radius:14px;padding:22px;background:linear-gradient(120deg,#f6fbff,#e8f7ff)}.seminar-mobile .seminar-label{display:inline-block;border-radius:12px;background:#0687f6;color:#fff;font-size:11px;padding:4px 9px}.seminar-mobile h3{margin:9px 0;color:#003d86;font-size:19px}.seminar-mobile p{font-size:12px;color:#466c9d;line-height:1.45;margin:6px 0}.seminar-cta{display:block;margin-top:15px;background:#0065cf;color:#fff;border-radius:10px;text-align:center;padding:11px 0;font-size:14px;font-weight:850}.footer-inner{gap:8px;display:grid;grid-template-columns:1fr 1fr;padding:20px 0}.footer-logo{width:120px}.footer-phone{font-size:13px}.footer-address,.footer-hours{grid-column:span 2;font-size:12px;white-space:normal}.footer-legal{grid-column:span 2;justify-content:flex-end;margin-top:12px}}
@media (max-width:360px){.shell{width:calc(100% - 22px)}.contact-top{display:none}.hero h1{font-size:27px}.card-grid{grid-template-columns:1fr}.course-grid .image-card{aspect-ratio:293/139}.partner-grid .image-card{aspect-ratio:293/196}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.image-card{transition:none}}

/* 2026-10-15: render card text as sharp HTML, preserve photo backgrounds and mobile layout. */
.header-inner{gap:12px}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.account-link{border:0;background:transparent;color:#063475;font-weight:800;font-size:13px;padding:8px 1px;cursor:pointer;white-space:nowrap}
.account-link:hover,.account-link:focus-visible{color:#057bdf}
.account-link.join-link{padding:8px 12px;border:1px solid #b7d5ee;border-radius:20px}
.rebuilt-card{isolation:isolate;position:relative;border:1px solid #e5eef6;background:linear-gradient(115deg,#f5fbff,#edf7fd);box-shadow:0 3px 9px #35588812}
.rebuilt-card .card-photo{position:absolute;inset:0 0 0 40%;z-index:-2;background-size:auto 135%;background-position:right top;filter:saturate(1.05)}
.rebuilt-card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f5fbff 0%,#f5fbfff0 42%,#f5fbff77 70%,#ffffff12 100%)}
.rebuilt-card.mint{background:#f4fffc}.rebuilt-card.mint::before{background:linear-gradient(90deg,#f3fffc,#f3fffcf2 42%,#f3fffc88 73%,#fff2)}
.rebuilt-card.violet,.rebuilt-card.purple{background:#f8f5ff}.rebuilt-card.violet::before,.rebuilt-card.purple::before{background:linear-gradient(90deg,#f8f6ff,#f8f6fff5 42%,#f8f6ff88 73%,#fff2)}
.rebuilt-card.peach,.rebuilt-card.orange{background:#fff9f1}.rebuilt-card.peach::before,.rebuilt-card.orange::before{background:linear-gradient(90deg,#fff9f1,#fff9f1f4 42%,#fff9f188 73%,#fff2)}
.rebuilt-card .card-content{position:absolute;inset:9% 8% 9% 8%;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;min-width:0}
.rebuilt-card .card-symbol{display:grid;place-items:center;width:34px;height:34px;flex:none;font-weight:900;color:#fff;font-size:19px;background:linear-gradient(135deg,#158bf9,#1871de);border-radius:50%;box-shadow:0 2px 7px #035ba625}
.rebuilt-card.mint .card-symbol{background:linear-gradient(135deg,#36c99e,#159b7c)}.rebuilt-card.sky .card-symbol{background:linear-gradient(135deg,#48b5f9,#1a77d8)}
.rebuilt-card.cyan .card-symbol{background:linear-gradient(135deg,#29afe4,#187cc2)}.rebuilt-card.purple .card-symbol,.rebuilt-card.violet .card-symbol{background:linear-gradient(135deg,#ad80ed,#7a4ace)}
.rebuilt-card.peach .card-symbol,.rebuilt-card.orange .card-symbol{background:linear-gradient(135deg,#ffaa62,#ed7f25)}
.rebuilt-card .card-title{font-size:clamp(13px,1.37vw,20px);line-height:1.25;font-weight:900;letter-spacing:-.045em;color:#092e70;text-shadow:0 1px #ffffff80}
.rebuilt-card .card-description{font-size:clamp(9px,.93vw,12.5px);line-height:1.48;letter-spacing:-.025em;font-weight:630;color:#536b8d}
.rebuilt-card .card-arrow{position:absolute;right:5%;bottom:9%;height:25px;width:25px;display:grid;place-items:center;border:1px solid #bed8ed;border-radius:50%;color:#0759b8;background:#ffffffd9;font-size:25px;line-height:1;box-shadow:0 2px 6px #0759b811}
.account-dialog{border:1px solid #cae0f3;border-radius:18px;box-shadow:0 18px 60px #001c5260;padding:34px;width:min(400px,calc(100% - 28px));color:#0d326c}
.account-dialog::backdrop{background:#011f46a1}.account-dialog h2{margin:0 0 16px;font-size:25px}.account-dialog p{line-height:1.75;color:#536b8d;margin-bottom:24px}.account-dialog .account-close{position:absolute;right:15px;top:10px;border:0;background:transparent;font-size:28px;color:#5d789a;cursor:pointer}.account-call{display:block;text-align:center;background:#087ce0;border-radius:10px;padding:13px;color:white;font-weight:800}
@media(max-width:1280px){.nav-desktop{gap:14px}.header-actions{gap:9px}.account-link{font-size:12px}.account-link.join-link{padding:8px 9px}}
@media(max-width:970px){.header-inner{justify-content:space-between}.header-actions{margin-left:auto}.header-actions .contact-top{display:none}.account-link{font-size:13px}.menu-toggle{flex:none}}
@media(max-width:570px){.header-inner{gap:7px}.header-actions{gap:7px}.header-actions .account-link{font-size:11.5px;letter-spacing:-.025em;padding:7px 0}.header-actions .account-link.join-link{padding:7px 7px}.logo{width:clamp(104px,32vw,145px);flex:none}.logo img{width:100%}.menu-toggle{height:35px;width:35px}.rebuilt-card .card-content{inset:8% 7% 8% 8%;justify-content:space-between}.rebuilt-card .card-symbol{width:22px;height:22px;font-size:13px}.rebuilt-card .card-title{font-size:clamp(11px,3.2vw,13px);letter-spacing:-.035em}.rebuilt-card .card-description{font-size:clamp(8px,2.35vw,10px);line-height:1.3}.rebuilt-card .card-arrow{width:21px;height:21px;font-size:20px;right:4%;bottom:7%}}
@media(max-width:360px){.contact-top{display:none}.rebuilt-card .card-symbol{width:28px;height:28px;font-size:16px}.rebuilt-card .card-title{font-size:15px}.rebuilt-card .card-description{font-size:11px}}

/* Crisp card refresh: scalable illustrations, native text, no raster text. */
.rebuilt-card{--card-ink:#71a3d5;isolation:isolate;background:#f4faff}
.rebuilt-card::before{background:linear-gradient(110deg,#fbfdff,#eaf5ff)}
.rebuilt-card .card-art{position:absolute;right:-7%;top:5%;height:91%;width:56%;color:var(--card-ink);opacity:.61;filter:none}
.rebuilt-card.mint{--card-ink:#3baf99}.rebuilt-card.mint::before{background:linear-gradient(110deg,#fcfffe,#ecfaf6)}
.rebuilt-card.purple,.rebuilt-card.violet{--card-ink:#9c79d8}
.rebuilt-card.purple::before,.rebuilt-card.violet::before{background:linear-gradient(110deg,#fdfcff,#f1ecfc)}
.rebuilt-card.peach,.rebuilt-card.orange{--card-ink:#d89158}
.rebuilt-card.peach::before,.rebuilt-card.orange::before{background:linear-gradient(110deg,#fffefa,#fff4e5)}
.rebuilt-card .card-content{z-index:1}
.rebuilt-card .card-title{background:#ffffffee;box-shadow:0 0 6px 3px #ffffff88;border-radius:3px;padding:1px 2px;text-shadow:none}
.rebuilt-card .card-description{background:#fffffff0;box-shadow:0 0 6px 3px #ffffffaa;border-radius:3px;padding:1px 2px}
.course-grid .rebuilt-card{aspect-ratio:1.86}
.partner-grid .rebuilt-card{aspect-ratio:1.47}
@media(max-width:570px){
 .course-grid .rebuilt-card{aspect-ratio:1.72}
 .partner-grid .rebuilt-card{aspect-ratio:1.43}
 .rebuilt-card .card-art{right:-8%;width:58%;top:10%;height:80%}
 .rebuilt-card .card-title{font-size:clamp(12px,3.45vw,15px)}
 .rebuilt-card .card-description{font-size:clamp(9px,2.55vw,11px);line-height:1.35}
}

/* Curriculum navigation: hover on desktop, click/tap on touch screens */
.nav-desktop .course-dropdown{position:relative;display:flex;align-items:center;height:100%;flex:none;z-index:50}
.course-dropdown-trigger{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:0;color:#063475;font-weight:800;font-size:14px;white-space:nowrap;cursor:pointer;padding:12px 3px;font-family:inherit}
.course-dropdown-trigger:hover,.course-dropdown.is-open>.course-dropdown-trigger{color:#0877e0}
.course-chevron{font-size:12px;display:inline-block;transition:transform .18s}
.course-dropdown.is-open .course-chevron{transform:rotate(180deg)}
.course-dropdown-panel{position:absolute;top:calc(100% - 1px);left:-14px;min-width:210px;max-width:320px;background:#fff;border:1px solid #d6e8f7;border-radius:16px;padding:9px;box-shadow:0 16px 40px #053e7e2b;visibility:hidden;opacity:0;transform:translateY(7px);pointer-events:none;transition:opacity .16s,transform .16s,visibility .16s;display:flex;flex-direction:column;gap:2px;z-index:80}
.course-dropdown-panel a{font-size:14px!important;font-weight:750!important;padding:11px 14px;border-radius:9px;line-height:1.35;color:#184274!important;display:block;white-space:nowrap;text-decoration:none}
.course-dropdown-panel a:hover,.course-dropdown-panel a:focus-visible{background:#eff7ff;color:#056cd3!important}
.course-dropdown.is-open>.course-dropdown-panel{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}
@media(hover:hover) and (pointer:fine){.course-dropdown:hover>.course-dropdown-panel{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}.course-dropdown:hover>.course-dropdown-trigger{color:#0877e0}}
.mobile-course-group{display:block;grid-column:1/-1;border-bottom:1px solid #eef4fb}
.mobile-course-trigger{border:0;background:transparent;color:#033978;font-size:14px;font-weight:800;padding:12px;width:100%;display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left}
.mobile-course-trigger[aria-expanded="true"] span{transform:rotate(180deg)}
.mobile-course-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:4px 6px 12px}
.mobile-course-links[hidden]{display:none}
.mobile-course-links a{font-size:13px;font-weight:750;padding:10px 12px;background:#f3f9ff;border:1px solid #e1edf9;border-radius:10px;line-height:1.3;color:#15457e}
.mobile-course-links a:hover{background:#e6f3ff}
@media(max-width:1280px){.course-dropdown-trigger{font-size:13px}}
@media(max-width:970px){.nav-desktop .course-dropdown{display:none}}


/* Official transparent logo (original vertical proportions), 2026-10-16 */
.header{height:100px;background:#fff}
.header .logo{display:flex;flex:0 0 auto;width:105px;height:96px;padding:2px 0;background:transparent}
.header .logo img{display:block;width:100%;height:100%;max-width:100%;object-fit:contain;object-position:center}
.footer-logo{width:114px;min-width:0}
.footer-logo img{width:100%;height:auto;object-fit:contain}
@media(max-width:970px){
 .header{height:81px}
 .header .logo{width:85px;height:76px;padding:1px 0}
}
@media(max-width:570px){
 .header{height:76px}
 .header .logo{width:77px;height:71px;min-width:77px;padding:0}
 .footer-logo{width:98px}
}