@font-face{font-family:Course;src:url('/assets/course-regular.woff2') format('woff2');font-weight:400;font-display:swap}@font-face{font-family:Course;src:url('/assets/course-bold.woff2') format('woff2');font-weight:700 900;font-display:swap}
:root{--red:#e83129;--ink:#191919;--muted:#6c6c6c;--line:#e7e7e7;--paper:#f7f7f5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Course,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;line-height:1.6;word-break:keep-all}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--red);outline-offset:4px}button{color:inherit}.hidden,[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-90px;background:#fff;padding:12px;z-index:100}.skip:focus{top:12px}.topbar{height:84px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 40px;gap:24px;position:sticky;top:0;z-index:20}.brand{font-size:24px;font-weight:900;letter-spacing:-1px;display:flex;align-items:center;gap:10px;white-space:nowrap}.brand img{height:38px;width:38px;border-radius:50%}.brand b{color:var(--red)}.brand small{font-size:10px;letter-spacing:2px;border-left:1px solid #ddd;padding-left:15px;margin-left:5px}.nav{display:flex;align-items:center;gap:25px;font-size:14px}.btn{border:1px solid transparent;background:var(--ink);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:13px 23px;font-weight:700;font-size:14px;border-radius:8px;min-height:46px}.btn.red{background:var(--red)}.btn.kakao{background:#fee500;color:#191600;width:100%}.btn.light{background:#fff;border-color:var(--line);color:var(--ink)}.btn.small{padding:9px 15px;min-height:40px}.text-btn{border:0;background:none;text-decoration:underline;color:var(--muted);font-size:13px;padding:8px}.eyebrow{color:var(--red);font-weight:700;letter-spacing:1px;font-size:12px;margin:0 0 16px}.muted{color:var(--muted)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.3;letter-spacing:-.045em}h1{font-size:46px}h2{font-size:28px}h3{font-size:18px}p{margin-bottom:16px}.wrap{max-width:1220px;margin:auto;padding:0 32px}.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100vh - 84px)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:36px 22px;display:flex;flex-direction:column;gap:8px}.sidebar a{padding:13px 16px;border-radius:8px;font-size:14px}.sidebar a.current{background:#fff0ef;color:var(--red);font-weight:700}.sidebar .side-label{padding:10px 16px;color:#969696;font-size:11px;letter-spacing:1px;font-weight:700}.sidebar .side-help{margin-top:50px;border-top:1px solid var(--line);padding-top:25px;font-size:12px;color:var(--muted)}.side-help strong{display:block;color:var(--ink);margin:0 16px 8px}.side-help p{padding:0 16px}.side-help a{padding:0 16px;text-decoration:underline}.class-main{padding:40px clamp(24px,4vw,64px);max-width:1460px;width:100%;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px}.page-heading h1{font-size:32px;margin-bottom:8px}.page-heading p{font-size:14px;color:var(--muted);margin:0}.tag{display:inline-block;border-radius:5px;font-size:11px;font-weight:700;background:#fff0ef;color:var(--red);padding:4px 9px;white-space:nowrap}.tag.dark{background:var(--ink);color:white}.notice{padding:22px 25px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:32px;display:flex;align-items:center;justify-content:space-between;gap:22px}.notice strong{display:block;margin-bottom:5px}.notice p{font-size:13px;color:var(--muted);margin:0}.notice.wait{border-left:4px solid #e6a42e}.notice.active{border-left:4px solid #4e8767}.notice.error{border-left:4px solid var(--red)}.section-row{display:flex;justify-content:space-between;align-items:center;margin:28px 0 18px;gap:12px}.section-row h2{font-size:21px;margin:0}.section-row span{font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.lesson-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-align:left;width:100%;padding:0;transition:transform .15s,border-color .15s}.lesson-card:hover{transform:translateY(-3px);border-color:#aaa}.thumb{position:relative;aspect-ratio:16/9;background:#ecebe8;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb .tag{position:absolute;left:12px;top:12px}.thumb .play{position:absolute;right:12px;bottom:12px;width:34px;height:34px;border-radius:50%;background:#fff;display:grid;place-content:center;font-size:12px}.card-body{padding:20px}.card-body h3{font-size:19px;margin:8px 0 12px}.card-body p{font-size:13px;color:var(--muted);margin-bottom:15px;line-height:1.65}.card-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.upcoming-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.upcoming{border:1px solid var(--line);border-radius:10px;padding:24px 22px;background:#f1f1ee}.upcoming span{font-size:11px;color:#888}.upcoming h3{margin:12px 0 8px;font-size:17px}.upcoming p{color:var(--muted);font-size:12px;margin:0}.course-foot{border-top:1px solid var(--line);padding:30px 0;margin-top:45px;font-size:12px;color:var(--muted)}.video-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:26px}.video-frame{aspect-ratio:16/9;background:#111;border-radius:12px;overflow:hidden;display:grid;place-items:center;color:white;text-align:center}.video-frame iframe{width:100%;height:100%;border:0}.video-frame p{padding:25px}.video-meta{padding:25px 0}.video-meta h1{font-size:28px;margin:8px 0 15px}.video-meta p{font-size:14px;color:var(--muted)}.lesson-list{background:#fff;border:1px solid var(--line);border-radius:12px;align-self:start;padding:20px}.lesson-list h2{font-size:17px;margin:0 0 18px}.lesson-list button{background:#fff0ef;border:0;border-left:3px solid var(--red);padding:15px;font-size:14px;text-align:left;width:100%;border-radius:4px}.back{margin-bottom:22px;display:inline-block;font-size:13px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.progress-line{height:4px;background:#ddd}.progress-line i{display:block;background:var(--red);height:100%}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#222;color:#fff;padding:14px 22px;border-radius:9px;max-width:90vw;z-index:80;font-size:14px;box-shadow:0 4px 25px #0002}.statusline{font-size:13px;color:var(--red);margin:10px 0;min-height:20px}.callback{max-width:480px;margin:15vh auto;background:#fff;padding:40px;border:1px solid var(--line);border-radius:15px;text-align:center}.callback h1{font-size:26px}.spinner{width:30px;height:30px;border:3px solid #ddd;border-top-color:var(--red);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 25px}@keyframes spin{to{transform:rotate(360deg)}}
dialog{border:1px solid var(--line);border-radius:18px;padding:0;width:min(510px,calc(100% - 30px));max-height:90vh;color:var(--ink);box-shadow:0 25px 100px #0003}dialog::backdrop{background:#1119;backdrop-filter:blur(3px)}.dialog-inner{padding:32px}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.dialog-head h2{font-size:23px;margin:0}.close{border:0;background:#f4f4f4;border-radius:50%;width:34px;height:34px;font-size:22px}.steps{display:flex;gap:14px;font-size:11px;color:#888;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}.steps .now{color:var(--red);font-weight:700}.field{display:block;font-size:13px;font-weight:700;margin:18px 0}.field input{display:block;width:100%;padding:13px;margin-top:8px;border:1px solid #ccc;border-radius:8px;font-weight:400}.fine{font-size:12px;color:var(--muted);line-height:1.75}.price-row{display:flex;justify-content:space-between;align-items:center;margin:18px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}.price-row strong{font-size:24px}.bank-box{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:20px;margin:20px 0}.bank-box strong{display:block;font-size:21px;letter-spacing:-.02em;margin:5px 0}.bank-box p{font-size:13px;margin-bottom:8px}.full{width:100%}.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;margin:20px 0}.check input{width:18px;height:18px;flex-shrink:0;accent-color:var(--red)}.center{text-align:center}.spacer{height:12px}
.offer-hero{padding-top:70px;padding-bottom:70px;display:grid;grid-template-columns:1.06fr 1fr;align-items:center;gap:55px}.offer-hero h1{font-size:clamp(36px,4vw,54px);margin:18px 0 23px;line-height:1.25}.offer-hero h1 em{font-style:normal;color:var(--red)}.offer-hero .desc{font-size:17px;color:var(--muted);line-height:1.85}.hero-art{position:relative}.hero-art>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px}.hero-art figcaption{font-size:12px;color:var(--muted);margin-top:10px}.hero-art .art-label{position:absolute;top:18px;left:18px;padding:7px 12px;background:#fff;font-size:11px;font-weight:700;border-radius:4px}.offer-facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.offer-facts div{padding:22px 28px;border-right:1px solid var(--line)}.offer-facts span{display:block;color:var(--muted);font-size:12px}.offer-facts strong{display:block;margin-top:5px;font-size:18px}.offer-section{padding-top:75px;padding-bottom:20px}.offer-section h2{font-size:36px;margin-bottom:30px}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.benefit{background:#fff;padding:28px;border:1px solid var(--line);border-radius:12px}.benefit .num{color:var(--red);font-size:13px;font-weight:700}.benefit h3{font-size:21px;margin:20px 0 15px}.benefit p{color:var(--muted);font-size:14px;margin:0}.outline{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 26px}.outline details{border-bottom:1px solid var(--line);padding:20px 0}.outline details:last-child{border-bottom:0}.outline summary{font-size:17px;font-weight:700;cursor:pointer}.outline p{margin:15px 0 0;color:var(--muted);font-size:14px}.enroll-panel{margin:65px 0;background:#191919;color:#fff;padding:42px;border-radius:16px;display:flex;justify-content:space-between;align-items:center;gap:30px}.enroll-panel h2{font-size:30px;margin:8px 0}.enroll-panel .fine{color:#bbb}.enroll-price strong{font-size:40px}.enroll-price s{font-size:16px;color:#888;display:block}.enroll-price .btn{margin-top:16px}.admin-wrap{max-width:1120px;margin:40px auto;padding:0 25px}.table-scroll{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line);white-space:nowrap}th{background:#f0f0ed;color:#777;font-size:12px}.admin-filter{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:20px 0}.admin-filter select{padding:10px;border:1px solid #ddd;border-radius:7px}.admin-login{max-width:440px;margin:80px auto;padding:32px;background:#fff;border:1px solid var(--line);border-radius:12px}.admin-login h1{font-size:26px}
@media(min-width:1700px){.cards{grid-template-columns:repeat(3,1fr)}}@media(max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.upcoming-grid{grid-template-columns:repeat(2,1fr)}.video-layout{grid-template-columns:1fr}.sidebar{padding:25px 12px}.layout{grid-template-columns:200px minmax(0,1fr)}.offer-hero{gap:30px}.brand small{display:none}}@media(max-width:760px){.topbar{height:70px;padding:0 18px;gap:10px}.brand{font-size:20px;gap:7px}.brand img{width:30px;height:30px}.nav{gap:12px;font-size:12px}.nav .desktop{display:none}.btn.small{padding:9px 12px;font-size:12px}.layout{display:block}.sidebar{display:none}.class-main{padding:28px 18px}.page-heading{align-items:flex-start}.page-heading h1{font-size:27px}.page-heading p{font-size:12px}.notice{padding:20px;flex-direction:column;align-items:flex-start;gap:15px}.notice .btn{width:100%}.cards{grid-template-columns:1fr;gap:18px}.card-body h3{font-size:20px}.upcoming-grid{grid-template-columns:1fr 1fr;gap:10px}.upcoming{padding:18px 14px}.upcoming h3{font-size:16px}.wrap{padding:0 20px}.offer-hero{display:block;padding-top:40px;padding-bottom:35px}.offer-hero h1{font-size:37px}.hero-art{margin:35px 0 0}.hero-art>img{aspect-ratio:16/10}.offer-facts{grid-template-columns:1fr}.offer-facts div{padding:17px 23px;border-right:0;border-bottom:1px solid var(--line)}.offer-facts div:last-child{border-bottom:0}.benefits{grid-template-columns:1fr}.offer-section{padding-top:45px}.offer-section h2{font-size:28px}.enroll-panel{padding:28px;display:block;margin:40px 0}.enroll-price{margin-top:24px}.enroll-panel h2{font-size:26px}.callback{margin:12vh 18px;padding:30px}.video-meta h1{font-size:25px}.dialog-inner{padding:24px}.steps{font-size:10px;gap:11px}.nav button.text-btn{font-size:11px}.admin-wrap{padding:0 16px}.admin-login{margin:45px 18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important}}
.course-materials{margin:30px 0;padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px}.course-materials h2{font-size:18px;margin:0 0 16px}
.duration:empty{display:none}
#watch{scroll-margin-top:100px}.preview-toolbar~.layout #watch{scroll-margin-top:148px}
.course-progress{padding:22px 24px;background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:18px}.course-progress>div{display:flex;align-items:center;justify-content:space-between;gap:15px}.course-progress strong{font-size:15px}.course-progress em{font-style:normal;color:var(--red);font-size:22px;margin-left:9px}.course-progress span,.course-progress small{font-size:12px;color:var(--muted)}.course-progress progress{display:block;appearance:none;width:100%;height:7px;border:0;border-radius:10px;overflow:hidden;background:#f0efeb;margin:13px 0 9px}.course-progress progress::-webkit-progress-bar{background:#f0efeb}.course-progress progress::-webkit-progress-value{background:var(--red)}.course-progress progress::-moz-progress-bar{background:var(--red)}.moderation.tag{background:#fff1d4;color:#895513}.moderation.rejected{background:#ededed;color:#666}.progress-explainer{margin-top:12px!important;font-size:11px!important}.comments-section .text-btn{font-size:12px}
.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}.side-button{display:block;background:none;border:0;border-radius:8px;width:100%;padding:12px 16px;text-align:left;color:#646464;font-size:13px}.side-button.selected{color:var(--red);font-weight:700;background:#fff5f4}.course-tabs{display:flex;gap:8px;margin-bottom:24px}.course-tab{border:1px solid #ddd;border-radius:40px;background:white;padding:10px 24px;font-weight:700}.course-tab.selected{background:#191919;color:white;border-color:#191919}.compact.btn.kakao{width:auto}.continue-card{display:flex;align-items:center;gap:20px;width:100%;border:1px solid #e6d3d0;border-radius:12px;padding:22px 26px;background:#fff8f7;text-align:left}.continue-card strong{display:block;font-size:20px;margin-top:4px}.continue-card span{font-size:12px;color:#666}.continue-card .continue-play{display:grid;place-items:center;background:var(--red);color:#fff;width:44px;height:44px;border-radius:50%;flex-shrink:0}.continue-time{margin-left:auto;white-space:nowrap}.lesson-cover{height:100%;background:linear-gradient(125deg,#ece9e3,#f7f5f1);display:flex;align-items:center;justify-content:space-between;padding:38px 26px}.lesson-cover strong{font-size:76px;line-height:1;color:#c8c3b9;font-weight:900}.lesson-cover span{font-size:18px;font-weight:700;color:#47423b}.duration{position:absolute;bottom:12px;right:12px;background:#111b;color:white;font-size:11px;padding:2px 6px;border-radius:4px}.empty-classroom{padding:50px 30px;border:1px dashed #d9d9d4;border-radius:12px;background:#fff}.empty-classroom p{color:#777;font-size:14px}.course-update{margin-top:32px;background:#eeeee9;border-radius:12px;padding:24px}.course-update p{font-size:13px;color:#777;margin:6px 0 0}.watch-primary{min-width:0}.lesson-list button{display:flex;gap:12px;align-items:center;background:#fff;border-left:3px solid transparent;border-bottom:1px solid #f0f0f0;margin-bottom:4px}.lesson-list button.current{background:#fff0ef;border-left-color:var(--red)}.lesson-list button>span{font-size:11px;color:#888}.lesson-list button>div{flex:1}.lesson-list button>small{font-size:10px;color:#777}.lesson-next{border:1px solid #e8cbc8;border-radius:12px;background:#fff5f3;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:18px;margin:6px 0 30px}.lesson-next h2{font-size:21px;margin:8px 0}.lesson-next p{font-size:13px;color:#666;margin:0}.lesson-next .btn{white-space:nowrap}.email-confirmed{padding:16px 18px;border:1px solid #e6e6df;background:#f7f8f4;border-radius:9px;margin-bottom:20px}.email-confirmed span,.email-confirmed strong,.email-confirmed small{display:block;overflow-wrap:anywhere;word-break:normal}.email-confirmed span{font-size:11px;color:#74766b}.email-confirmed strong{font-size:15px;margin:5px 0}.email-confirmed small{font-size:11px;color:#777}.email-change{margin-top:24px;font-size:13px}.email-change summary{cursor:pointer;color:#666}.check small{color:#888;font-weight:400}.comments-section{border-top:1px solid var(--line);padding-top:8px}.comments-section .section-row h2 span{color:var(--red);margin-left:5px}.comments-section textarea,.field textarea{display:block;width:100%;resize:vertical;min-height:96px;border:1px solid #d8d8d4;border-radius:10px;padding:15px;font:inherit;font-size:14px;line-height:1.7;background:white;margin-top:8px}.comments-section textarea:focus,.field textarea:focus{outline:2px solid var(--red);outline-offset:2px}.comment-submit{display:flex;align-items:center;justify-content:space-between;margin:10px 0}.comment-submit>span{font-size:12px;color:#888}.comment{display:flex;gap:14px;padding:24px 0;border-top:1px solid #e9e9e4}.comment.reply{margin-left:42px}.comment-avatar{display:grid;place-items:center;background:#eae9e4;border-radius:50%;width:35px;height:35px;flex-shrink:0;font-weight:700;color:#666;font-size:13px}.comment-avatar.instructor{background:#191919;color:#fff}.comment-content{min-width:0;flex:1}.comment-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.comment-top strong{font-size:13px}.comment-top time{font-size:11px;color:#999}.comment-content p{font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;margin:8px 0;line-height:1.8}.comment-tools{display:flex;gap:16px}.comment-tools button{border:0;background:none;font-size:11px;color:#888;padding:0}.comments-empty{padding:35px 0;color:#888;text-align:center;font-size:13px}.preview-player{padding:25px}.preview-player>strong{display:block;font-size:clamp(20px,2vw,32px);margin:26px 0 10px}.preview-player>p{font-size:12px;color:#aaa;padding:0}.preview-player>button{font-size:12px}.preview-toolbar{position:sticky;top:0;z-index:40;background:#ffeeb8;color:#554723;padding:9px 20px;display:flex;gap:15px;align-items:center;justify-content:center;font-size:12px}.preview-toolbar select{font:inherit;padding:4px;border:1px solid #cebd85;border-radius:5px;background:#fff9e6}.preview-toolbar+*{}.preview-toolbar~.topbar{top:46px}.privacy-content{max-width:840px;margin:45px auto;padding:0 24px}.privacy-content h1{font-size:30px}.privacy-content h2{font-size:20px;margin-top:32px}.privacy-content p,.privacy-content li{font-size:14px}.privacy-content .draft-note{background:#fff0dc;padding:20px;border-radius:10px}
@media(max-width:760px){.continue-card{padding:18px;gap:12px}.continue-card strong{font-size:16px}.continue-time{display:none}.lesson-next{display:block;padding:22px}.lesson-next .btn{margin-top:20px;width:100%}.comments-section .section-row{align-items:flex-start}.comments-section .section-row h2{font-size:19px}.comment.reply{margin-left:22px}.compact.btn.kakao{width:100%}.preview-toolbar{font-size:10px;gap:8px;flex-wrap:wrap;padding:8px}.preview-toolbar~.topbar{top:44px}.page-heading .tag{font-size:10px}.course-tabs{gap:8px}.course-tab{padding:8px 18px}.lesson-cover{padding:40px}.sidebar~main .course-foot .text-btn{padding-left:0}}