:root{--primary:#123B8A;--orange:#F58220;--soft:#F4F9FF;--green:#218A63;--ink:#142944;--muted:#66778c;--line:#e4ebf3;--shadow:0 8px 24px rgba(18,59,138,.04)}
.ct-home,.ct-home *{box-sizing:border-box}

.ct-home{font-size:16px;line-height:1.5;background:#fff;color:var(--ink);font-family:Pretendard,"Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,sans-serif;word-break:keep-all}
.ct-home a{text-decoration:none}
.ct-home button,.ct-home a{-webkit-tap-highlight-color:transparent}
.ct-home-container{width:min(1240px,calc(100% - 48px));margin-inline:auto}
.ct-home-site-header{height:76px;background:#fff;border-bottom:1px solid #edf1f5}
.ct-home-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:26px}
.ct-home-brand{display:flex;align-items:center;gap:8px;min-width:160px}
.ct-home-brand img{display:block;width:34px;height:auto}
.ct-home-brand strong{display:block;color:#0c4c96;font-size:22px;font-weight:850;letter-spacing:-1.7px;line-height:1.05}
.ct-home-brand small{display:block;color:#8d9ba9;font-size:8px;font-weight:800;letter-spacing:2.9px;margin-top:4px}
.ct-home-main-nav{display:flex;align-items:center;justify-content:center;gap:37px;white-space:nowrap}
.ct-home-main-nav a{font-size:15px;font-weight:700;color:#324560;transition:color .2s}
.ct-home-main-nav a:hover,.ct-home-login-link:hover,.ct-home-text-link:hover{color:var(--primary)}
.ct-home-header-actions{display:flex;align-items:center;gap:23px;white-space:nowrap}
.ct-home-login-link{font-size:14px;font-weight:700;color:#4d6079}
.ct-home-button{display:inline-flex;justify-content:center;align-items:center;gap:15px;min-height:52px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:800;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s}
.ct-home-button:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(18,59,138,.16)}
.ct-home-button-primary{background:var(--primary);color:#fff}
.ct-home-button-primary:hover{background:#0c3177;color:#fff}
.ct-home-button-small{min-height:42px;padding:0 19px;font-size:13px;border-radius:8px}
.ct-home-hero{background:#fff}
.ct-home-hero-shell{padding-top:24px}
.ct-home-hero-image{width:100%;height:auto;display:block;border-radius:16px;box-shadow:0 11px 28px rgba(14,52,104,.08)}
.ct-home-hero-actions{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.ct-home-hero-note{display:flex;align-items:center;gap:9px;color:#536882;font-size:14px;font-weight:650}
.ct-home-check{display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#e9f8f1;color:var(--green);font-size:12px}
.ct-home-hero-buttons{display:flex;align-items:center;gap:31px}
.ct-home-text-link{display:inline-flex;align-items:center;gap:11px;color:#315274;font-size:15px;font-weight:760}
.ct-home-text-link span,.ct-home-button span{font-size:19px;line-height:1}
.ct-home-section{padding:82px 0}
.ct-home-section-heading{margin-bottom:40px}
.ct-home-center{text-align:center}
.ct-home-eyebrow{display:block;color:var(--primary);font-size:12px;font-weight:850;letter-spacing:2px;margin-bottom:12px}
.ct-home h1,.ct-home h2,.ct-home h3,.ct-home p{margin-top:0}
.ct-home h2{font-size:38px;line-height:1.35;letter-spacing:-1.7px;margin-bottom:0;font-weight:850}
.ct-home-section-heading p{margin:15px 0 0;color:var(--muted);font-size:17px}
.ct-home-why-section{background:#f8fbff;padding-top:82px;padding-bottom:82px}
.ct-home-why-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.ct-home-why-card{border:1px solid #e6edf5;border-radius:14px;background:#fff;box-shadow:var(--shadow);padding:30px 28px}
.ct-home-icon-box{display:grid;place-items:center;width:54px;height:54px;border-radius:15px;font-size:29px;font-weight:650;line-height:1;margin-bottom:22px}
.ct-home-icon-box.ct-home-blue{color:var(--primary);background:#eaf2ff}
.ct-home-icon-box.ct-home-orange{color:#e87a16;background:#fff3e6}
.ct-home-icon-box.ct-home-green{color:var(--green);background:#e9f6ef}
.ct-home-icon-box.ct-home-sky{color:#2183ba;background:#e9f6fb}
.ct-home-why-card h3{margin:0 0 10px;font-size:21px;letter-spacing:-.6px}
.ct-home-why-card p{color:var(--muted);font-size:15px;line-height:1.58;margin:0}
.ct-home-flow-section{background:#f1f7ff;padding-top:88px;padding-bottom:88px}
.ct-home-flow-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
.ct-home-flow-heading .ct-home h2{font-size:40px;line-height:1.32}
.ct-home-flow-heading p{margin:0 2px 5px 0;color:#61748b;font-size:16px;line-height:1.7;text-align:right}
.ct-home-flow-grid{display:grid;grid-template-columns:1.18fr repeat(3,1fr);gap:18px}
.ct-home-flow-card{position:relative;padding:24px;border:1px solid #dfe9f5;border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.ct-home-flow-card:not(:last-child):after{content:"→";position:absolute;z-index:2;top:45%;right:-21px;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:#8fa8c6;font-weight:850}
.ct-home-teacher-card{border:2px solid #75a9eb;box-shadow:0 15px 30px rgba(18,59,138,.12)}
.ct-home-flow-top{display:flex;align-items:center;justify-content:space-between;min-height:25px}
.ct-home-step-num{color:var(--primary);font-size:16px;font-weight:850;letter-spacing:1px}
.ct-home-teacher-badge{padding:6px 8px;border-radius:5px;background:#eaf3ff;color:var(--primary);font-size:9px;font-weight:850;letter-spacing:.5px}
.ct-home-teacher-portrait{position:relative;width:159px;height:118px;margin:9px auto 12px;border-radius:15px;overflow:hidden;border:1px solid #d4e8f8}
.ct-home-teacher-portrait svg{display:block;width:100%;height:100%}
.ct-home-video-live{position:absolute;bottom:8px;left:8px;display:flex;align-items:center;gap:5px;padding:5px 7px;border-radius:5px;background:#fff;color:#27517c;font-size:10px;font-weight:850;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.ct-home-video-live i{display:block;width:6px;height:6px;border-radius:50%;background:#df4848}
.ct-home-flow-icon{display:grid;place-items:center;width:64px;height:64px;margin:24px 0 25px;border-radius:17px;font-size:34px}
.ct-home-flow-icon.ct-home-orange{color:#e87914;background:#fff2e5}
.ct-home-flow-icon.ct-home-green{color:var(--green);background:#e8f7ee}
.ct-home-flow-icon.ct-home-blue{color:var(--primary);background:#e9f1ff}
.ct-home-flow-card h3{margin:0 0 9px;font-size:22px;letter-spacing:-.5px}
.ct-home-flow-card p{margin:0;color:#6a7a8d;font-size:14px;line-height:1.5}
.ct-home-flow-caption{margin:24px 0 0;text-align:center;color:#5e7690;font-size:14px;font-weight:650}
.ct-home-trial-section{padding-top:84px;padding-bottom:48px}
.ct-home-trial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ct-home-trial-card{position:relative;overflow:hidden;padding:32px 34px;border:1px solid #dce8f6;border-radius:14px;background:#f8fbff}
.ct-home-trial-card:after{content:"";position:absolute;width:240px;height:240px;right:-54px;bottom:-87px;border:1px solid #d5e8fa;border-radius:50%;box-shadow:0 0 0 32px rgba(222,239,252,.32),0 0 0 69px rgba(222,239,252,.2);pointer-events:none}
.ct-home-ai-trial{background:#fffaf5;border-color:#f4e5d8}
.ct-home-ai-trial:after{border-color:#fae1c8;box-shadow:0 0 0 32px rgba(255,236,214,.34),0 0 0 69px rgba(255,236,214,.2)}
.ct-home-trial-type{display:block;color:#5e7c9e;font-size:11px;font-weight:850;letter-spacing:1.6px;margin-bottom:12px}
.ct-home-ai-trial .ct-home-trial-type{color:#a97547}
.ct-home-trial-icon{position:absolute;right:45px;top:43px;display:grid;place-items:center;width:70px;height:70px;border-radius:20px;background:#e2efff;color:var(--primary);font-size:32px}
.ct-home-ai-trial .ct-home-trial-icon{background:#fff0df;color:var(--orange)}
.ct-home-trial-card h3{position:relative;z-index:1;margin:17px 0 10px;font-size:27px;letter-spacing:-1px}
.ct-home-trial-card p{position:relative;z-index:1;margin-bottom:26px;color:#62758b;font-size:16px;line-height:1.6}
.ct-home-button-outline{position:relative;z-index:1;min-height:44px;padding:0 18px;border:1px solid #a9c5e9;background:#fff;color:var(--primary);font-size:14px;border-radius:8px}
.ct-home-ai-trial .ct-home-button-outline{border-color:#f2c79e;color:#a85713}
.ct-home-services{background:#f8fafc;padding:40px 0 72px}
.ct-home-service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ct-home-service-card{display:flex;align-items:flex-start;gap:18px;min-height:144px;padding:25px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);transition:transform .2s}
.ct-home-service-card:hover{transform:translateY(-3px)}
.ct-home-service-icon{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:12px;background:#ecf4ff;color:var(--primary);font-size:24px}
.ct-home-service-card strong{display:block;margin:0 0 4px;font-size:18px}
.ct-home-service-card small{display:block;color:#74849a;font-size:13px}
.ct-home-service-card em{display:block;margin-top:14px;color:var(--primary);font-size:13px;font-style:normal;font-weight:750}
.ct-home-review-section{background:#fff;padding-top:80px;padding-bottom:80px}
.ct-home-review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ct-home-review-placeholder{height:173px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;border:1px dashed #c5d1df;border-radius:14px;background:#fff;color:#9aabbc;font-size:14px}
.ct-home-quote-mark{height:42px;color:#c7d9ef;font-family:Georgia,serif;font-size:70px;line-height:1}
.ct-home-final-section{background:#eef6ff;padding:80px 0}
.ct-home-final-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.ct-home-final-inner h2{font-size:34px}
.ct-home-final-inner .ct-home-button{min-width:211px}
.ct-home-site-footer{background:#102d55;color:#fff;padding:47px 0 25px}
.ct-home-footer-brand{display:flex;align-items:center;gap:9px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.14)}
.ct-home-footer-brand img{width:29px;height:auto}
.ct-home-footer-brand strong{font-size:20px;letter-spacing:-.6px}
.ct-home-footer-brand span{margin-left:17px;color:#b1c4d9;font-size:13px}
.ct-home-footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:35px 0 43px}
.ct-home-footer-grid h3{margin:0 0 16px;font-size:15px}
.ct-home-footer-grid a{display:block;margin:0 0 10px;color:#b9c9da;font-size:13px}
.ct-home-footer-grid a:hover{color:#fff}
.ct-home-footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.14);padding-top:17px;color:#8199b6;font-size:11px}
@media(max-width:1100px){.ct-home-main-nav{gap:17px}.ct-home-header-actions{gap:13px}.ct-home-container{width:min(1240px,calc(100% - 36px))}.ct-home-flow-grid{gap:12px}.ct-home-flow-card{padding:18px}.ct-home-flow-card h3{font-size:19px}}
@media(max-width:900px){.ct-home-site-header{height:auto;min-height:76px}.ct-home-header-inner{flex-wrap:wrap;padding:12px 0}.ct-home-main-nav{order:3;width:100%;justify-content:space-between}.ct-home-why-grid,.ct-home-flow-grid{grid-template-columns:repeat(2,1fr)}.ct-home-flow-card:not(:last-child):after{display:none}.ct-home-service-grid{gap:10px}.ct-home-service-card{padding:17px}.ct-home-hero-note{display:none}}



.ct-home-member-name{font-size:13px;color:#435875;font-weight:700;white-space:nowrap}
.ct-home-join-link{font-size:13px;color:#5d6e83;font-weight:700}
.ct-home-review-action{display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid #e4ebf3;border-radius:14px;background:#fff;padding:30px 38px;box-shadow:0 8px 28px rgba(25,64,112,.06)}
.ct-home-review-action p{margin:0;color:#66778c;font-size:16px}
.ct-home-footer-grid span{display:block;margin:0 0 10px;color:#b9c9da;font-size:13px}
@media(max-width:1100px){.ct-home-header-actions{gap:10px}.ct-home-main-nav{gap:12px}}

.ct-home a.ct-home-button-primary,.ct-home a.ct-home-button-primary:visited,.ct-home a.ct-home-button-primary:hover{color:#fff}
.ct-home a.ct-home-button-outline,.ct-home a.ct-home-button-outline:visited{color:var(--primary)}
.ct-home .ct-home-ai-trial a.ct-home-button-outline,.ct-home .ct-home-ai-trial a.ct-home-button-outline:visited{color:#a85713}
.ct-home a.ct-home-text-link,.ct-home a.ct-home-text-link:visited{color:#315274}
.ct-home a.ct-home-login-link,.ct-home a.ct-home-login-link:visited{color:#4d6079}

.ct-home a.ct-home-button-primary,.ct-home a.ct-home-button-primary:visited,.ct-home a.ct-home-button-primary:hover{color:#fff}
.ct-home a.ct-home-button-outline,.ct-home a.ct-home-button-outline:visited{color:var(--primary)}
.ct-home .ct-home-ai-trial a.ct-home-button-outline,.ct-home .ct-home-ai-trial a.ct-home-button-outline:visited{color:#a85713}
.ct-home a.ct-home-text-link,.ct-home a.ct-home-text-link:visited{color:#315274}
.ct-home a.ct-home-login-link,.ct-home a.ct-home-login-link:visited{color:#4d6079}

.ct-home-footer-grid{padding-bottom:24px}
.ct-home-company-info{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 20px;color:rgba(255,255,255,.68);font-size:13px;line-height:1.8}
.ct-home-company-info-line{display:flex;flex-wrap:wrap;column-gap:18px}
.ct-home-company-info-line span{min-width:0}
.ct-home-company-info a,.ct-home-company-info a:visited{color:inherit;text-decoration:none}
.ct-home-company-info a:hover{color:#fff;text-decoration:underline}
@media(max-width:600px){.ct-home-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:28px;padding-bottom:22px}.ct-home-company-info-line{column-gap:14px}.ct-home-footer-bottom{gap:10px;flex-wrap:wrap}}
/* Main-page Kakao consultation link. */
.ct-home a.ct-home-kakao{position:fixed;right:28px;bottom:28px;z-index:50;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:56px;padding:0 18px;border-radius:999px;background:#FEE500;color:#3C1E1E;font-size:14px;font-weight:800;line-height:1;box-shadow:0 3px 12px rgba(60,30,30,.12);white-space:nowrap}
.ct-home a.ct-home-kakao:visited{color:#3C1E1E}
.ct-home a.ct-home-kakao:hover{background:#f5dc00;box-shadow:0 4px 14px rgba(60,30,30,.16)}
.ct-home a.ct-home-kakao:focus-visible{outline:3px solid #123B8A;outline-offset:4px}
.ct-home-kakao-icon{position:relative;display:grid;place-items:center;width:32px;height:26px;border-radius:50%;background:#3C1E1E;color:#FEE500;font-size:9px;letter-spacing:-.3px}
.ct-home-kakao-icon:after{content:"";position:absolute;bottom:-3px;left:6px;width:8px;height:8px;background:#3C1E1E;clip-path:polygon(0 0,100% 0,0 100%)}
@media(max-width:600px){.ct-home a.ct-home-kakao{right:16px;bottom:16px;width:52px;height:52px;padding:0;gap:0}.ct-home-kakao-label{display:none}}

/* AI training detail entry: explicit link, keyboard focus. */
.ct-home-ai-detail-link{display:inline-block;margin-top:14px;color:#123B8A;font-size:13px;font-weight:800}
.ct-home-ai-detail-link:hover{text-decoration:underline}
.ct-home-ai-detail-link:focus-visible{outline:3px solid #F58220;outline-offset:5px;border-radius:2px}