:root{--navy:#081c3b;--ink:#0a2050;--blue:#1767ff;--orange:#ff681e;--muted:#627493;--line:#dfE8f3;--soft:#f4f9fe;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;font-size:16px;line-height:1.6;letter-spacing:-.035em;background:#fff}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #3ca9ff;outline-offset:4px}h1,h2,h3,p{margin:0}img{max-width:100%}button{border:0;background:none}button[hidden],[hidden]{display:none!important}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.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{position:fixed;top:-100px;left:20px;z-index:1000;background:white;padding:12px}.skip:focus{top:10px}
.site-header{position:absolute;inset:0 0 auto;z-index:20;border-bottom:1px solid #ffffff16;color:white;background:#03132766}.header-row{min-height:72px;display:flex;align-items:center;gap:30px}.brand{font-size:28px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}.brand span{font-size:12px;font-weight:500;color:#a9bbd0;letter-spacing:-.02em;margin-left:16px}.site-header nav{display:flex;gap:23px;align-items:center;margin-left:auto;font-size:14px;white-space:nowrap}.site-header nav button{padding:0}.header-actions{display:flex;gap:24px;align-items:center;white-space:nowrap;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:48px;border-radius:7px;padding:11px 23px;color:white;font-weight:750;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.blue{background:var(--blue)}.blue:hover{background:#0d52d8}.orange{background:linear-gradient(120deg,#ff8734,#ff5c17);border-radius:50px;padding-inline:30px}.orange:hover{background:#e65313}.header-actions .button{font-size:14px;min-height:42px;padding:9px 24px}.menu-toggle{display:none}
.hero{position:relative;isolation:isolate;min-height:650px;color:white;background:#061427;overflow:hidden}.hero-image,.hero-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 40%;z-index:-2}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#031329bc 0%,#03132955 45%,#03132908 74%),linear-gradient(0deg,#031329bd,transparent 28%)}.hero-content{padding-top:110px;padding-bottom:30px}.eyebrow{color:#4eb9ff;font-size:12px;letter-spacing:.18em;font-weight:750;margin-bottom:6px}.target-label{font-size:24px;font-weight:750}.countdown{display:flex;align-items:center;gap:8px;min-height:136px;padding:0;color:#bcf2ff;font-family:monospace;font-size:112px;font-weight:800;line-height:1.1;text-shadow:0 0 7px #00b9ff,0 0 24px #0080ff;letter-spacing:-.07em}.countdown:hover{filter:brightness(1.18)}.hero h1{font-size:clamp(28px,3.2vw,44px);line-height:1.35;font-weight:850;letter-spacing:-.06em;max-width:750px}.hero-description{font-size:18px;color:#d3dfed;margin:14px 0 22px;line-height:1.6}.goal-link{display:block;color:#c0d5ef;font-size:13px;margin-top:10px;padding:0;text-decoration:underline;text-underline-offset:4px}.hero-facts{display:flex;gap:42px;margin-top:54px}.hero-facts>div{display:flex;align-items:center;gap:12px}.icon{display:inline-flex;flex:none;width:32px;height:32px;color:var(--blue)}.icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.hero-facts .icon{width:40px;height:40px;border:1px solid #5bbcff;border-radius:50%;padding:8px;color:white}.hero-facts b{font-size:14px;display:block}.hero-facts small{font-size:12px;color:#bfcee0;display:block}.section{padding:38px 0}.band{background:linear-gradient(105deg,#f8fbff,#f0f7fd 52%,#f9fcff)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:22px}.section-heading h2{font-size:29px;line-height:1.35;letter-spacing:-.055em;font-weight:850}.section-heading p{color:var(--muted);margin-top:6px;font-size:16px}.text-button,.section-heading>a{color:var(--blue);font-weight:650;font-size:14px;white-space:nowrap;padding:0}.text-button:hover,a:hover{ text-decoration:underline;text-underline-offset:4px}.button:hover,.brand:hover{text-decoration:none}.note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.6}
.exam-section{padding:32px 0 28px}.exam-controls{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--blue)}select{min-height:40px;border:1px solid var(--line);background:#fff;border-radius:6px;color:var(--ink);padding:6px 10px;max-width:100%}.timeline{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));padding:0;list-style:none;margin:30px 0 0}.timeline li{position:relative;text-align:center;padding-top:25px;border-top:2px solid #c9d6e7;min-width:0}.timeline li:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:#9daeca;top:-6px;left:calc(50% - 5px)}.timeline li.active{border-top-color:#5294ff;color:var(--blue)}.timeline li.active:before{background:var(--blue);box-shadow:0 0 0 5px #bee2ff}.timeline b{display:block;font-size:15px}.timeline span{font-size:13px;display:block;color:var(--muted);margin-top:6px}.course-grid,.capacity-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.course-card{min-height:400px;position:relative;isolation:isolate;border-radius:7px;overflow:hidden;color:white;background:#0c2948}.course-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .3s}.course-card:after{position:absolute;inset:0;content:"";z-index:-1;background:linear-gradient(0deg,#061e3afa 5%,#08203be6 36%,#08203b18 100%)}.course-card.featured:after{background:linear-gradient(0deg,#0054da 0%,#0054dac7 37%,#061e3a12 100%)}.course-card:hover>img{transform:scale(1.035)}.course-copy{padding:128px 22px 16px;display:flex;flex-direction:column;height:100%}.course-copy small{font-size:13px;color:#d7e5f5}.course-copy h3{font-size:28px;line-height:1.3;margin:9px 0 12px;letter-spacing:-.065em}.course-copy p{font-size:16px;color:#d9e6f8;line-height:1.5}.course-copy ul{list-style:none;padding:0;font-size:14px;margin:15px 0}.course-copy li:before{content:"✓";margin-right:8px;border:1px solid #d1e5ff;border-radius:50%;font-size:10px;padding:0 2px}.course-detail{display:block;margin-top:auto;text-align:center;border-radius:6px;background:#c2ddff;color:#103773;padding:11px 4px;font-size:14px;font-weight:750}.capacity-card{border:1px solid var(--line);background:#fff;border-radius:7px;padding:18px 22px}.capacity-card h3{display:flex;align-items:center;gap:14px;font-size:17px}.capacity-card h3 .icon{width:26px;height:26px;color:#173d85}.capacity-card p{font-size:16px;margin-top:13px}.capacity-card strong{color:#fa601e;font-size:30px;margin-left:4px;font-weight:850}.capacity-card p span{color:#5f7394;font-size:14px}.capacity-card small{display:block;font-size:12px;color:var(--muted);margin-top:6px}progress{appearance:none;width:100%;height:8px;border:0;border-radius:8px;background:#e4ebf5;overflow:hidden;display:block;margin-top:5px}progress::-webkit-progress-bar{background:#e4ebf5}progress::-webkit-progress-value{background:#ff7028;border-radius:8px}progress::-moz-progress-bar{background:#ff7028;border-radius:8px}
.learning-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.learning-steps li{display:flex;align-items:center;gap:15px;position:relative;background:#eef5fc;border-radius:9px;padding:19px 16px}.learning-steps li:not(:last-child):after{content:"›";position:absolute;right:-17px;top:calc(50% - 22px);font-size:30px;color:var(--blue)}.learning-steps small{color:var(--blue);font-size:12px}.learning-steps h3{font-size:18px;white-space:nowrap;margin:2px 0 3px}.learning-steps p{font-size:12px;color:var(--muted)}.learning-steps li:last-child{background:linear-gradient(130deg,#ff8232,#ff6018);color:white}.learning-steps li:last-child .icon,.learning-steps li:last-child small,.learning-steps li:last-child p{color:white}.learning-steps li:last-child .icon{width:43px;height:43px}
.schedule-controls{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--blue)}.schedule-controls button{border:1px solid #c8d9f1;background:white;border-radius:5px;width:40px;height:40px}.week-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.day{border:1px solid var(--line);background:white;border-radius:6px;overflow:hidden;min-width:0}.day h3{padding:9px;text-align:center;font-size:14px;font-weight:500;background:#eff5fc;border-bottom:1px solid var(--line)}.day.today h3{color:var(--blue);background:#e8f3ff}.slot{display:flex;gap:10px;align-items:center;padding:12px 10px}.slot+.slot{border-top:1px solid #edf2f8}.avatar{display:flex;align-items:center;justify-content:center;background:#eaf1f8;border-radius:50%;flex:none;width:43px;height:43px;overflow:hidden;color:#31588d;font-size:17px}.avatar img{width:100%;height:100%;object-fit:cover}.slot>div{min-width:0}.slot time,.slot small{display:block;font-size:12px;color:var(--muted)}.slot b{display:block;font-size:14px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.day>p{padding:18px 12px;font-size:14px;color:var(--muted)}.day .more{display:block;padding:8px;font-size:12px;color:var(--blue);text-align:center}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.review{border:1px solid var(--line);border-radius:7px;padding:24px;display:flex;gap:18px;align-items:flex-start}.review .avatar{width:66px;height:66px;font-size:25px}.review>div:last-child{min-width:0}.review .stars{font-size:13px;letter-spacing:2px;color:#ec7a21}.review blockquote{margin:8px 0 12px;font-size:15px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.review small{color:var(--muted);font-size:12px;display:block}.review button{font-size:13px;color:var(--blue);padding:7px 0 0}.review-grid .empty,.week-grid .empty{grid-column:1/-1}.empty{border:1px dashed #c5d7ed;background:#f8fbff;border-radius:7px;padding:30px;text-align:center;color:var(--muted)}
.closing{position:relative;isolation:isolate;background:#153b6c;color:#fff;overflow:hidden}.closing>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 52%;z-index:-2}.closing:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#073270de 0%,#07327030 60%,#062a62ba)}.closing-content{display:flex;justify-content:space-between;align-items:center;padding-block:28px}.closing h2{font-size:30px;line-height:1.35}.closing p:not(.closing-signature){font-size:15px;color:#d4e3f7;margin:8px 0 12px}.closing .button{min-height:40px;font-size:14px;padding:8px 24px}.closing-signature{font-size:25px;font-style:italic;line-height:1.5;color:#d6e8ff;transform:rotate(-7deg);padding-right:25px}.closing-signature b{display:block;font-style:normal;font-size:24px;text-align:right;margin-top:12px}.metrics{background:#071a34;color:#fff}.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-block:17px}.metrics-grid>div{display:flex;gap:18px;align-items:center}.metrics .icon{color:#d9e7ff}.metrics p{color:#b4c6df;font-size:12px}.metrics b{display:block;font-size:18px;color:#fff}.site-footer{background:#061529;color:#a8bad2;padding:25px 0}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-top .brand{color:#fff;font-size:23px}.footer-links{display:flex;gap:15px;flex-wrap:wrap;font-size:13px}.footer-links button{padding:0}.site-footer p{font-size:12px;margin-top:14px}
dialog{border:1px solid var(--line);border-radius:15px;color:var(--ink);width:min(780px,calc(100% - 32px));max-height:85dvh;padding:26px;box-shadow:0 25px 100px #00122d55}dialog::backdrop{background:#001227b3;backdrop-filter:blur(5px)}dialog .dialog-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px}dialog h2{font-size:24px}dialog .dialog-head button{font-size:30px;line-height:1;min-width:40px;min-height:40px}dialog p{margin-bottom:14px}dialog input{width:100%;min-height:48px;border:1px solid #bdcfe5;border-radius:7px;padding:10px 14px;margin:8px 0 12px;background:white;color:var(--ink)}.cert-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.cert-list a{border:1px solid var(--line);background:#f5f9fe;padding:12px;border-radius:6px;font-size:15px}.teacher-list{display:grid;gap:14px}.teacher-profile{border:1px solid var(--line);padding:18px;border-radius:8px}.teacher-profile header{display:flex;align-items:center;gap:14px;margin-bottom:12px}.teacher-profile h3{font-size:20px}.teacher-profile p{font-size:14px;color:var(--muted)}.teacher-profile small{font-size:12px;color:var(--muted)}#contentBody h3{margin:20px 0 8px}#contentBody table{width:100%;border-collapse:collapse;font-size:14px}#contentBody th,#contentBody td{padding:10px;border:1px solid var(--line)}#contentBody blockquote{margin:0;white-space:pre-wrap}.policy-callout,.policy-warning{padding:16px;background:var(--soft);border-radius:6px}
@media(min-width:1600px){.hero-image img{object-position:center 42%}.hero{min-height:690px}.hero-content{padding-top:125px}.hero-facts{margin-top:75px}}
@media(max-width:1200px){.brand span{display:none}.header-row{gap:24px}.header-actions{gap:18px}.site-header nav{gap:18px}.course-copy{padding-inline:16px}.course-copy h3{font-size:24px}.learning-steps{gap:16px}.learning-steps li{gap:9px;padding:16px 10px}.learning-steps .icon{width:25px}.review{padding:18px;gap:12px}.review .avatar{width:48px;height:48px}}
@media(max-width:960px){.wrap{width:calc(100% - 48px)}.site-header nav{gap:13px}.header-actions{gap:10px}.site-header nav a:nth-last-child(1){display:none}.hero{min-height:640px}.hero h1{font-size:35px;max-width:620px}.hero-facts{gap:22px}.hero-facts b{font-size:12px}.hero-facts small{font-size:12px}.hero-facts .icon{width:33px;height:33px;padding:6px}.section-heading h2{font-size:26px}.section-heading p{font-size:14px}.section-heading{align-items:flex-start;gap:14px}.course-grid,.capacity-grid{gap:12px}.course-copy h3{font-size:23px}.course-copy p{font-size:14px}.course-copy small,.course-copy ul{font-size:12px}.course-card{min-height:355px}.course-copy{padding-top:108px;padding-inline:14px}.capacity-card{padding:14px}.capacity-card h3{font-size:14px;gap:9px}.learning-steps li{display:block}.learning-steps .icon{margin-bottom:5px}.learning-steps h3{font-size:16px}.learning-steps p{font-size:12px}.week-grid{gap:8px}.slot{gap:6px;padding:12px 7px}.slot .avatar{width:32px;height:32px}.slot b{font-size:12px}.slot time,.slot small{font-size:12px}.review{display:block}.review .avatar{margin-bottom:12px}.footer-top{align-items:flex-start}}
@media(max-width:760px){.header-row{min-height:64px;justify-content:space-between}.brand{font-size:25px}.header-actions .button{display:none}.header-actions{margin-left:auto}.menu-toggle{display:block;color:#fff;font-size:24px;padding:4px 8px}.site-header nav{display:none;position:absolute;top:64px;left:0;right:0;background:#0b2241;margin:0;padding:22px 24px;box-shadow:0 14px 25px #0003}.site-header nav.open{display:flex;flex-wrap:wrap;gap:22px}.site-header nav a:nth-last-child(1){display:block}.hero-facts{gap:18px;flex-wrap:wrap}.section-heading{flex-wrap:wrap}.section-heading h2{font-size:26px}.course-grid,.capacity-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-copy h3{font-size:27px}.course-copy p{font-size:16px}.course-copy small,.course-copy ul{font-size:14px}.course-copy{padding-top:132px}.course-card{min-height:410px}.course-detail{font-size:14px}.capacity-card{padding:18px}.capacity-card h3{font-size:16px}.learning-steps{grid-template-columns:repeat(5,minmax(130px,1fr));overflow-x:auto;padding-bottom:8px}.learning-steps li{padding:18px 14px}.learning-steps li:after{display:none}.week-grid{grid-template-columns:repeat(5,minmax(180px,1fr));overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.day{scroll-snap-align:start}.slot{gap:10px;padding:12px}.slot .avatar{width:40px;height:40px}.slot b{font-size:14px}.review-grid{grid-template-columns:1fr}.review{display:flex;padding:22px;gap:20px}.review .avatar{width:65px;height:65px;margin:0}.review blockquote{-webkit-line-clamp:3}.closing-signature{font-size:19px}.closing h2{font-size:26px}.footer-top{flex-direction:column}.metrics-grid{gap:12px}.metrics-grid>div{gap:9px}.metrics b{font-size:16px}.metrics .icon{width:24px}}
@media(max-width:640px){.wrap{width:calc(100% - 40px)}.hero{min-height:0}.hero-image img{object-position:center top}.hero:after{background:linear-gradient(0deg,#031126 0%,#031126aa 43%,#03112600 84%)}.hero-content{padding-top:300px;padding-bottom:26px}.eyebrow{font-size:12px}.target-label{font-size:19px}.countdown{min-height:110px;font-size:86px}.hero h1{font-size:30px;max-width:370px}.hero-description{font-size:16px;margin:12px 0 18px}.hero-facts{display:grid;grid-template-columns:1fr;gap:12px;margin-top:32px}.hero-facts b{font-size:14px}.hero-facts small{font-size:12px}.hero-facts .icon{width:34px;height:34px}.section{padding:30px 0}.section-heading{margin-bottom:20px}.section-heading h2{font-size:25px}.section-heading p{font-size:15px}.text-button,.section-heading>a{font-size:14px}.exam-section{padding:28px 0}.exam-controls{width:100%;justify-content:space-between}.timeline{grid-template-columns:repeat(6,140px);overflow-x:auto;padding-top:7px;padding-bottom:6px}.timeline b{font-size:14px}.timeline span{font-size:12px}.course-grid,.capacity-grid{gap:10px}.course-copy{padding:100px 13px 13px}.course-copy h3{font-size:22px}.course-copy p{font-size:14px}.course-copy small,.course-copy ul{font-size:12px}.course-card{min-height:357px}.course-detail{font-size:13px;padding:11px 2px}.capacity-card{padding:15px 12px}.capacity-card h3{font-size:14px;gap:8px}.capacity-card h3 .icon{width:22px;height:22px}.capacity-card strong{font-size:27px}.capacity-card small{font-size:12px}.closing-signature{display:none}.closing-content{padding-block:28px}.closing>img{object-position:60% center}.closing h2{font-size:26px}.closing-content>div{max-width:90%}.closing p:not(.closing-signature){font-size:14px}.metrics-grid{gap:8px}.metrics-grid>div{display:block}.metrics .icon{width:22px;height:22px}.metrics b{font-size:15px}.metrics p{font-size:12px}.review{padding:18px;gap:14px}.review .avatar{width:52px;height:52px}.review blockquote{font-size:15px}.footer-links{gap:10px 16px}dialog{padding:20px}dialog h2{font-size:21px}.cert-list{grid-template-columns:1fr}.hero .button{font-size:16px;padding-inline:24px}#contentBody table{display:block;overflow:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* v31 live online group offer */
.small-group-promo{display:grid;grid-template-columns:42% 1fr;background:#091f40;color:white;border-radius:12px;overflow:hidden;margin:22px 0}.small-group-promo img{width:100%;height:100%;min-height:230px;object-fit:cover}.small-group-promo>div{padding:28px}.small-group-promo h3{font-size:25px;line-height:1.4;margin:8px 0 12px}.small-group-promo p{color:#c6d9f5;line-height:1.8}.small-group-promo b{color:#ff914c}.small-group-promo small{display:block;color:#b6c9e5;line-height:1.7;font-size:12px}.group-home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.group-home-card{padding:24px;border:1px solid #dce6f5;border-radius:10px;background:white}.group-home-card>span{color:#1769ff;font-size:12px;font-weight:750}.group-home-card h3{margin:10px 0;font-size:22px}.group-home-card p{line-height:1.7;color:#607391}.group-home-card .button{width:100%}.other-cert{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#eef4fd;padding:22px;border-radius:10px;margin-top:22px}.other-cert p{color:#617694;margin:6px 0 0}.other-cert b{font-size:18px}@media(max-width:760px){.small-group-promo{grid-template-columns:1fr}.small-group-promo img{height:190px;min-height:0;object-position:center 65%}.small-group-promo>div{padding:22px}.group-home-grid{grid-template-columns:1fr}.other-cert{display:grid}.group-home-card{padding:22px}}
