@charset "UTF-8";
:root{--navy:#102d46;--ink:#152e40;--blue:#247aa0;--ice:#edf5f8;--line:#d8e4e9;--muted:#576e7b;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:#fff;font-family:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;word-break:keep-all}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #36a8d7;outline-offset:4px}img,video{max-width:100%;display:block}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{letter-spacing:-.055em;line-height:1.23}h1{font-size:clamp(48px,5.1vw,78px);font-weight:650;margin-bottom:28px}h2{font-size:clamp(32px,3.1vw,48px);font-weight:600;margin-bottom:26px}h3{font-size:27px;font-weight:600}p{margin-bottom:20px}header{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:750;letter-spacing:-1px;line-height:1.3}.brand small{font-size:9px;letter-spacing:1.7px;display:block;font-weight:500;margin-top:4px}.brand svg{width:38px;height:36px;fill:none;stroke:var(--navy);stroke-width:2}nav{display:flex;gap:28px;font-size:14px}nav a:hover,.text-link:hover{color:var(--blue)}.button{background:var(--navy);color:white;display:inline-flex;align-items:center;justify-content:space-between;gap:25px;min-height:54px;padding:14px 24px;border:1px solid var(--navy);border-radius:3px;font-size:14px;font-weight:600;transition:.2s}.button:hover{background:#214b68}.button.small{min-height:42px;padding:10px 19px}.button span{font-size:19px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:720px;max-width:1600px;margin:auto}.hero-copy{padding:84px 10% 52px 12%}.eyebrow{font-size:11px;letter-spacing:2.4px;font-weight:650;color:var(--blue);margin-bottom:24px}.blue{color:#549db8}.lead{color:var(--muted);font-size:16px;line-height:1.9}.hero-actions{display:flex;gap:22px;align-items:center;margin:32px 0 56px;flex-wrap:wrap}.text-link{font-size:13px}.hero-facts{display:flex;gap:40px;border-top:1px solid var(--line);padding-top:24px;font-size:11px;color:var(--muted)}.hero-facts strong{display:block;font-size:24px;color:var(--ink);font-weight:550;margin-bottom:2px}.hero-visual{position:relative;overflow:hidden;margin:24px 24px 24px 0;background:#d5e4eb;min-height:650px}.hero-visual>img{width:100%;height:100%;object-fit:cover;position:absolute;object-position:50% 52%}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,30,44,.5),transparent 45%)}.photo-label{position:absolute;left:26px;right:26px;top:24px;font-size:9px;letter-spacing:1.5px;color:white;display:flex;align-items:center;gap:9px;text-shadow:0 1px 3px #0009;z-index:1}.photo-label>span:last-child{margin-left:auto}.dot{width:6px;height:6px;background:white;border-radius:50%}.photo-caption{position:absolute;left:32px;bottom:35px;font-size:25px;line-height:1.5;font-weight:450;color:#fff;z-index:1}.intro-strip{display:flex;justify-content:space-between;align-items:center;padding:28px 6%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f8fbfc}.intro-strip span{font-size:10px;letter-spacing:1.6px;color:var(--muted)}.intro-strip p{margin:0;font-size:15px}.mobile{display:none}.section{padding:96px 8%;max-width:1600px;margin:auto}.section-top{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}.section-top h2{margin-bottom:0}.muted{color:var(--muted);font-size:14px;line-height:1.9;margin-bottom:0}.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.lesson-card{position:relative;overflow:hidden;padding:35px 38px 32px;background:#f4f6f6;min-height:330px}.lesson-card.ice{background:#eaf4f8}.number{font-size:11px;letter-spacing:2px;color:var(--muted);display:block;margin-bottom:28px}.lesson-card p{color:var(--muted);font-size:14px;position:relative;z-index:1}.lesson-card a{font-size:13px;display:inline-block;border-bottom:1px solid #7b939f;padding-bottom:5px;position:relative;z-index:2}.card-word{position:absolute;right:-6px;bottom:-35px;font-size:110px;letter-spacing:-8px;font-weight:800;opacity:.04}.pricing{background:var(--navy);color:white;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;padding-top:70px;padding-bottom:70px}.pricing .eyebrow{color:#99c6db}.pricing>div>p:not(.eyebrow){color:#d3e1e9;font-size:14px}.pricing .fine{color:#aac0ce;font-size:12px}.price-box{border:1px solid #496073;border-radius:4px;padding:32px}.price-box>p{font-size:14px;color:#c7d8e3}.price{font-size:54px;letter-spacing:-2px;line-height:1.2;margin-bottom:30px}.price>span{font-size:14px;letter-spacing:0;margin-left:8px}.price-split{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #496073;border-bottom:1px solid #496073;padding:18px 0;margin-bottom:22px;color:#b8cedb;font-size:12px}.price-split strong{display:block;color:white;font-size:23px;font-weight:500}.price-box .fine{margin:0}.time-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.time-grid article{border-top:2px solid var(--navy);padding:26px 0}.time-grid article>span{font-size:10px;color:var(--muted);letter-spacing:1.5px}.time-grid h3{font-size:23px;margin:28px 0 12px}.time-grid p{font-size:27px;letter-spacing:-.7px;margin-bottom:10px}.time-grid i{font-style:normal;color:#a3bac6;margin:0 9px}.time-grid small{color:var(--muted);font-size:12px}.gallery-section{background:#f2f7f9}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}figure{margin:0}.gallery-grid img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .3s}.gallery-grid a{display:block;overflow:hidden}.gallery-grid a:hover img{transform:scale(1.035)}figcaption{font-size:10px;color:var(--muted);padding-top:10px}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}.video-grid video{width:100%;height:330px;object-fit:contain;background:#10212c;border-radius:3px}.video-grid figcaption{letter-spacing:1.5px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}.steps article{border-top:1px solid var(--line);padding-top:20px}.steps span{font-size:12px;color:var(--blue)}.steps h3{font-size:18px;margin:25px 0 16px}.steps p{font-size:13px;color:var(--muted)}.inquiry-section{background:#edf5f8}.booking-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin-top:24px}.calendar-panel,#inquiry-form{background:white;padding:30px;border:1px solid #dfe9ee;border-radius:5px}.month-control{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.month-control h3{font-size:23px;margin:0}.month-control button{background:none;border:1px solid var(--line);border-radius:50%;width:38px;height:38px;color:var(--ink)}.week,.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.week{font-size:12px;text-align:center;color:var(--muted);margin-bottom:10px}.calendar button{min-height:55px;background:#f0f6f8;border:1px solid transparent;color:var(--ink);border-radius:4px;font-size:14px;line-height:1.3;padding:8px 2px}.calendar button small{display:block;font-size:8px;margin-top:3px}.calendar button:disabled{background:#fafafa;color:#a9b4ba;cursor:default}.calendar button[aria-pressed=true]{background:var(--navy);color:white}.legend{display:flex;gap:20px;color:var(--blue);font-size:11px;margin-top:14px}.dim{color:#9baab3}.calendar-panel h4{font-size:15px;margin:24px 0 14px}.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.slots button{border:1px solid var(--line);background:#fff;padding:12px 5px;border-radius:3px;font-size:11px;line-height:1.7;color:var(--ink)}.slots button[aria-pressed=true]{background:var(--navy);color:white}.slots button:disabled{background:#f4f4f4;color:#99a4aa;cursor:default}.fine{font-size:11px;line-height:1.8;color:var(--muted);margin-top:18px}.notice{border-left:3px solid var(--blue);background:#e0eef4;color:var(--navy);padding:14px 18px;font-size:13px}label{display:block;font-size:13px;font-weight:600;margin-bottom:17px}input:not([type=checkbox]),select,textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--line);border-radius:3px;background:#fff;min-height:45px;padding:10px 12px;color:var(--ink);font-size:14px}textarea{resize:vertical}.form-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.optional{color:var(--muted);font-size:11px;font-weight:400;margin-left:7px}.consent{display:flex;align-items:flex-start;gap:10px;font-weight:400;font-size:11px;line-height:1.8}.consent input{width:17px;height:17px;flex-shrink:0;margin-top:3px;accent-color:var(--navy)}.consent a{text-decoration:underline}.submit{width:100%;margin-top:5px}.submit:disabled{background:#9aaeb9;border-color:#9aaeb9;cursor:not-allowed}#form-result{font-size:13px;margin-top:14px}.error{color:#a22727}.success{color:#236a4a}.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.faq{display:grid;grid-template-columns:1fr 1.5fr;gap:65px}.questions details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding:23px 30px 23px 0;font-size:15px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:5px;top:20px;font-size:20px;font-weight:300}details[open] summary:after{content:'−'}.questions p,.privacy p{font-size:13px;line-height:1.9;color:var(--muted)}.contact{background:#f3f7f8;display:grid;grid-template-columns:1fr 1fr;gap:70px}.phone{font-size:28px;font-weight:600;letter-spacing:-1px;display:inline-block;margin-bottom:20px}.contact p{font-size:14px}.contact-card{border-left:1px solid #cddde5;padding:15px 0 15px 55px}.contact-card>span{font-size:10px;letter-spacing:2px;color:var(--muted)}.contact-card h3{margin:28px 0 20px}.contact-card p{font-size:13px;color:var(--muted)}.contact-card a{font-size:13px;border-bottom:1px solid #8ba4b2;padding-bottom:5px}.privacy{padding-top:20px;padding-bottom:20px}footer{display:flex;align-items:center;gap:30px;padding:32px 6%;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}footer .brand{font-size:18px;color:var(--navy)}footer p{margin:0}footer span{margin-left:auto}.mobile-bar{display:none}.skip{position:absolute;left:10px;top:-90px;z-index:100;background:white;padding:10px}.skip:focus{top:5px}
@media(min-width:1600px){header{padding-left:calc((100vw - 1408px)/2);padding-right:calc((100vw - 1408px)/2)}}
@media(max-width:1050px){nav{gap:15px;font-size:12px}header{padding:0 4%}.hero-copy{padding:60px 8%}.hero{min-height:650px}.hero-visual{min-height:590px}.hero-actions{margin-bottom:35px}.hero-facts{gap:25px}.section{padding:70px 6%}.pricing{gap:30px}.price{font-size:42px}.intro-strip span:last-child{display:none}.calendar-panel,#inquiry-form{padding:20px}.booking-grid{gap:20px}.calendar button{min-height:48px}.steps{gap:18px}.steps h3{font-size:16px}}
@media(max-width:720px){html{scroll-padding-top:76px}body{padding-bottom:58px}header{height:76px;padding:0 20px}header nav{display:none}.brand{font-size:18px;gap:7px}.brand svg{width:28px}.brand small{font-size:7px;letter-spacing:1px}.button.small{font-size:11px;min-height:36px;padding:8px 12px;gap:12px}.hero{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:48px 25px 35px}h1{font-size:49px;margin-bottom:24px}.eyebrow{font-size:9px;letter-spacing:1.8px;margin-bottom:20px}.lead{font-size:14px}.hero-actions{margin:27px 0 30px;gap:18px}.button{font-size:12px;padding:13px 19px;min-height:49px}.text-link{font-size:11px}.hero-facts{padding-top:18px;gap:35px;font-size:10px}.hero-facts strong{font-size:22px}.hero-visual{margin:0 16px 18px;min-height:420px;height:420px}.hero-visual>img{object-position:center 45%}.photo-label{top:18px;left:18px;right:18px;font-size:8px;letter-spacing:.7px}.photo-caption{font-size:22px;bottom:25px;left:24px}.intro-strip{padding:22px 25px;display:block}.intro-strip span{font-size:8px}.intro-strip p{font-size:13px;margin-top:8px}.mobile{display:block}.section{padding:56px 24px}h2{font-size:32px}.section-top{display:block;margin-bottom:28px}.section-top .muted{font-size:12px;margin-top:22px}.lesson-grid{grid-template-columns:1fr;gap:15px}.lesson-card{min-height:295px;padding:28px}.lesson-card h3{font-size:25px}.lesson-card p{font-size:13px}.number{margin-bottom:22px}.card-word{font-size:100px}.pricing{display:block;padding:48px 24px}.pricing>div>p:not(.eyebrow){font-size:13px}.price-box{margin-top:30px;padding:24px}.price{font-size:43px}.price>span{font-size:12px}.price-split strong{font-size:21px}.time-grid{gap:12px}.time-grid article{padding:18px 0}.time-grid article>span{font-size:7px;letter-spacing:.3px}.time-grid h3{font-size:19px;margin-top:22px}.time-grid p{font-size:18px;line-height:1.6}.time-grid i{display:block;font-size:12px;line-height:1;margin:3px 0}.time-grid small{font-size:9px}.gallery-grid{grid-template-columns:1fr 1fr;gap:14px 10px}figcaption{font-size:9px}.video-grid{gap:10px;margin-top:24px}.video-grid video{height:255px}.video-grid figcaption{font-size:8px;letter-spacing:.7px}.steps{grid-template-columns:1fr 1fr;gap:25px 18px;margin-top:30px}.steps h3{font-size:16px;margin:16px 0 12px}.steps p{font-size:12px}.booking-grid{grid-template-columns:1fr;gap:15px}.notice{font-size:11px;padding:12px}.calendar-panel,#inquiry-form{padding:20px 16px}.calendar{gap:4px}.calendar button{min-height:48px;font-size:13px}.calendar button small{font-size:7px}.month-control h3{font-size:21px}.slots button{font-size:10px}.faq{display:block}.questions{margin-top:20px}summary{font-size:13px;padding:20px 24px 20px 0}.contact{display:block}.phone{font-size:26px}.contact-card{border-left:0;border-top:1px solid #cddde5;margin-top:32px;padding:30px 0 0}.contact-card h3{font-size:24px;margin-top:22px}.privacy{padding-top:15px;padding-bottom:15px}.privacy summary{font-size:11px}footer{padding:30px 24px;display:flex;flex-wrap:wrap;gap:14px;font-size:10px}footer p{width:100%;order:1}footer span{margin-left:0;order:2}footer>a:last-child{margin-left:auto;order:3}.mobile-bar{display:grid;grid-template-columns:1fr 1.6fr;position:fixed;bottom:0;left:0;right:0;z-index:30;background:white;box-shadow:0 -2px 15px #102d4610;padding-bottom:env(safe-area-inset-bottom)}.mobile-bar a{text-align:center;padding:16px;font-size:13px;font-weight:600}.mobile-bar a:last-child{background:var(--navy);color:white}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.hero-visual>video{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center}.hero-visual:after{pointer-events:none}.hero-visual .photo-caption{bottom:68px;pointer-events:none}.hero-visual .photo-label{pointer-events:none}

.deposit-account{border-top:1px solid #496073;padding-top:20px;margin-top:20px}.deposit-account p{font-size:13px;margin-bottom:10px;color:#d3e1e9}.deposit-account .account-label{font-size:12px;color:#b8cedb}.deposit-account strong{display:block;font-size:19px;font-weight:600;margin-bottom:10px}.deposit-account strong span{display:inline-block}.deposit-account .account-warning{color:white;border-left:2px solid #99c6db;padding-left:12px;font-size:14px}.business-footer{display:block;font-size:13px;line-height:1.9}.footer-top{display:flex;align-items:center;gap:24px;margin-bottom:18px}.business-info p{margin:3px 0}.business-info a,.footer-links a{text-decoration:underline;text-underline-offset:3px}.footer-links{display:flex;gap:22px;margin-top:18px}.business-footer .copyright{margin-top:16px;font-size:12px}.business-footer span{margin:0}.privacy summary{font-size:14px}@media(max-width:720px){.business-footer{font-size:13px;padding:30px 24px}.footer-top{display:block}.footer-top p{margin-top:10px}.business-footer p{width:auto;order:initial}.footer-links{flex-wrap:wrap;gap:12px 20px}.deposit-account strong{font-size:17px}}

/* Final refinement: keep the original palette and layout. */
body{font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}h1,h2{font-weight:650;text-wrap:balance}header{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.hero{grid-template-columns:1fr .86fr}.hero-visual{min-height:700px;border-radius:5px}.hero-visual:after{background:linear-gradient(0deg,rgba(8,30,44,.45),transparent 36%)}.hero-visual>video{object-position:center 55%}.lesson-card{border-radius:5px}.lesson-card,.contact-card{transition:box-shadow .25s ease}.lesson-card:hover{box-shadow:0 12px 30px #102d4609}.gallery-grid figure{min-width:0}.gallery-grid img{border-radius:3px}.gallery-grid figcaption{font-size:12px;line-height:1.7;padding-top:12px}.section-top{margin-bottom:42px}.questions summary{line-height:1.7}.mobile-menu{display:none}.button:active{transform:translateY(1px)}
@media(max-width:1050px) and (min-width:721px){header nav{gap:12px}.hero-visual{min-height:640px}.hero-copy{padding-left:8%;padding-right:6%}}
@media(max-width:720px){header{padding:0 16px;gap:10px}.brand{font-size:17px}.brand small{font-size:6px}.brand svg{width:23px}header>.button{margin-left:auto;padding:8px 10px;gap:6px}.mobile-menu{display:block}.mobile-menu summary{padding:10px 0;font-size:12px;min-width:42px;text-align:center}.mobile-menu summary:after{display:none}.mobile-menu summary span{display:block;font-size:16px;line-height:1}.mobile-menu[open] summary{color:var(--blue)}.mobile-menu nav{display:none}.mobile-menu[open] nav{display:grid;grid-template-columns:1fr 1fr;position:absolute;top:76px;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:15px 20px 20px;gap:5px 16px;box-shadow:0 18px 24px #102d4610}.mobile-menu nav a{padding:13px 8px;font-size:14px;border-bottom:1px solid #edf2f5}.hero-copy{padding:30px 24px 24px}.hero-copy h1{font-size:42px;line-height:1.23;margin-bottom:16px}.hero-copy .eyebrow{margin-bottom:14px}.hero-copy .lead{font-size:13px;line-height:1.75;margin-bottom:15px}.hero-actions{margin:18px 0;gap:14px}.hero-facts{padding-top:14px;gap:30px}.hero-facts strong{font-size:20px}.hero-visual{min-height:460px;height:460px;margin:0 16px 20px}.hero-visual>video{object-position:center}.section-top{margin-bottom:28px}.gallery-grid figcaption{font-size:11px}.photo-caption{font-size:20px}.section{padding-top:64px;padding-bottom:64px}.privacy{padding-top:15px;padding-bottom:15px}.mobile-bar a{min-height:54px}}
@media(max-width:360px){header{padding:0 12px;gap:7px}.brand{font-size:15px}.brand small{letter-spacing:.5px}.brand svg{width:20px}.hero-copy h1{font-size:38px}.hero-visual{height:420px;min-height:420px}}

#inquiry-form input:not([type=checkbox]),#inquiry-form select{height:48px}.student-fields{align-items:start}.field-help{display:block;margin-top:8px;font-size:11px;line-height:1.7;color:var(--muted);font-weight:400}.required-label{font-size:10px;color:var(--blue);font-weight:500;margin-left:4px}#inquiry-form .submit{scroll-margin-bottom:100px}#inquiry-form input,#inquiry-form select,#inquiry-form textarea{scroll-margin-top:110px;scroll-margin-bottom:100px}@media(max-width:480px){.student-fields{grid-template-columns:1fr;gap:0}#inquiry-form{padding-bottom:28px}#inquiry-form input:not([type=checkbox]),#inquiry-form select,#inquiry-form textarea{font-size:16px}}