@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.css');
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100px;gap:10px;font-size:10px}.site-footer>span{flex-basis:100%}.site-footer>div{gap:22px}.site-footer>small{font-size:9px;line-height:1.8}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:10;justify-content:space-around;background:#16191ff2;backdrop-filter:blur(12px);border-top:1px solid #343840;padding:6px 12px calc(6px + env(safe-area-inset-bottom));font-size:12px;color:#d2d8e2}.mobile-nav a{display:grid;place-items:center;min-height:44px;flex:1}.profile-panel{padding:24px 18px}.profile-panel h2{font-size:22px}.form-grid{grid-template-columns:1fr;gap:16px}.consent{font-size:12px;align-items:flex-start}.profile-panel .button{width:100%}.stats{gap:8px;margin:24px 0}.stats>div{padding:17px 12px}.stats span{font-size:10px}.stats strong{font-size:23px;margin-top:6px}.records-toolbar{gap:8px}.records-toolbar>label{flex-basis:100%;min-width:0}.records-toolbar>select{flex:1;width:40%;font-size:12px}.records-toolbar>button{font-size:12px}.records-toolbar #export-csv{flex-basis:100%}.record-row{padding:20px 16px;display:block}.record-row h2{font-size:17px}.record-row p{font-size:11px}.record-row .row-actions{margin-top:16px;justify-content:space-between}.record-row .button{font-size:12px;min-height:44px;padding:9px 12px}.row-time{font-size:11px}.pagination{gap:12px;font-size:11px}.pagination button{padding:8px 12px}.qr-grid{grid-template-columns:1fr;gap:20px}.qr-sheet{padding:24px}.qr-sheet h2{font-size:23px;min-height:0}.section-title>button{margin-top:18px}.document h1{font-size:32px}.document h2{font-size:21px}.document>p{font-size:14px}.certificate{margin:20px 14px;padding:32px 22px}.document .certificate-person{font-size:27px}.certificate-person span{display:block;margin:5px 0 0;font-size:15px}dl{grid-template-columns:1fr;gap:4px;font-size:13px}dd{margin-bottom:10px}.certificate-actions{display:grid;gap:10px}.learner-main{padding:8px 16px 40px}.learner-heading{font-size:10px;gap:10px;margin-bottom:14px;flex-wrap:wrap}.learner-heading>span{order:3;flex-basis:100%;color:#798392}.learner-gate{margin:20px 0 40px;padding:30px 24px;border-radius:12px}.learner-gate h1{font-size:30px}.learner-gate .eyebrow{font-size:9px;margin-bottom:18px}.learner-gate>p:not(.eyebrow){font-size:14px}.learning-bar{font-size:9px}.video-stage{height:min(72dvh,calc((100vw - 32px)*16/9));border-radius:8px}.video-stage video{max-height:100%}#lesson-panel{margin-top:22px}#lesson-panel h2{font-size:22px}#lesson-panel p{font-size:14px}#lesson-panel .choices button{padding:17px 18px;font-size:16px}#lesson-panel .lesson-actions{gap:8px}#lesson-panel .lesson-actions .button{font-size:13px;padding:12px}.hash{font-size:10px}dialog{padding:22px 18px}.dialog-top h2{font-size:21px}}
@media(max-width:360px){.hero h1{font-size:63px}.hero-film{height:275px}.topbar{padding:0 16px}.brand-label{font-size:11px}.hero,.section{padding-left:16px;padding-right:16px}.course-card{padding:16px 14px;gap:12px}.qr-mini{padding-left:12px}.qr-mini img{width:70px;height:70px}.course-card h3{font-size:18px}.course-meta{flex-wrap:wrap;gap:4px}.course-meta>span+span{border:0;padding:0}.course-bottom{flex-wrap:wrap}.learning-guide small{display:block;margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.course-card{transition:none}.course-card:hover{transform:none}}
.topbar nav,.topbar nav .login-link{min-width:0}.topbar nav #logout{flex-shrink:0}.stats #stat-watch{font-size:clamp(17px,2.3vw,26px);white-space:nowrap}@media(max-width:700px){.stats #stat-watch{font-size:17px}}
@media print{body,body.dark{background:#fff!important;color:#111!important}.topbar,.site-footer,.mobile-nav,.skip,#print-page,.certificate-actions,script{display:none!important}.section{padding:16px;max-width:none}.section-title{margin-bottom:20px}.qr-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.qr-sheet{border-color:#777;border-radius:0;padding:14px;gap:8px}.qr-sheet h2{font-size:17px;min-height:0}.qr-sheet img{width:160px}.qr-sheet .button,.qr-sheet .text-link{display:none}.qr-sheet small{font-size:10px}.certificate{border:0;margin:0;padding:24px}.certificate dl{grid-template-columns:130px 1fr}.answer-list li{break-inside:avoid}.document{padding:20px}.hash{word-break:break-all}a{color:#111}}
/* Keep the video and every learning interaction in the same fullscreen surface. */
#learner-stage{position:relative;background:#080a0d;border-radius:12px;overflow:hidden;color:#fff}
#learner-stage .video-stage{width:100%;height:min(82dvh,860px);border-radius:0}
#learner-stage .video-stage video{position:absolute;inset:0;width:100%;height:100%;max-height:none;object-fit:contain;background:#080a0d}
#learner-stage .player-top{position:absolute;inset:0 0 auto;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 20px;background:linear-gradient(#080a0dbd,transparent);font-size:11px;color:#e8ebf0;transition:opacity .15s}
.player-top>a,.player-top>button{display:flex;align-items:center;min-height:44px;background:transparent;color:#fff;flex-shrink:0}
.player-top>button{font-size:24px;width:44px;justify-content:center}.player-top #learning-position{font-size:10px;color:#c4cad4}
#learner-stage.is-playing .player-top{opacity:0;pointer-events:none}
#learner-stage #video-touch{position:absolute;inset:0;width:100%;height:100%;z-index:2;background:transparent;border:0;color:transparent}
#learner-stage #video-touch:focus-visible{outline:3px solid #5e9dff;outline-offset:-6px}
#learner-stage #play-overlay{left:50%;top:42%;transform:translate(-50%,-50%);z-index:6;white-space:nowrap}
#learner-stage #video-error{z-index:12;max-width:calc(100% - 32px)}
#learner-stage #lesson-panel{position:absolute;z-index:4;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:820px;max-height:calc(100% - 64px);margin:0;padding:38px 32px 26px;overflow-y:auto;overscroll-behavior:contain;background:linear-gradient(transparent,#090c12ed 24px,#090c12f5);scrollbar-width:thin;text-shadow:0 1px 3px #0007}
#learner-stage #lesson-panel h2{font-size:25px;line-height:1.4;color:#fff}
#learner-stage #lesson-panel p{font-size:14px;line-height:1.65;color:#d3d8e1;margin:12px 0}
#learner-stage #lesson-panel .eyebrow{font-size:10px;color:#bfc7d4;margin:0 0 12px}
#learner-stage #lesson-panel .choices{margin-top:18px;gap:10px}
#learner-stage #lesson-panel .choices button{min-height:54px;padding:16px 20px;background:#1a202bea;border-color:#8892a28c;font-size:16px;line-height:1.55;color:#fff;word-break:keep-all;overflow-wrap:anywhere}
#learner-stage #lesson-panel .choices button:hover{background:#303b50;border-color:#fff}
#learner-stage #lesson-panel .text-link{font-size:13px;color:#f1f3f7;margin-top:10px}
#learner-stage #lesson-panel details{font-size:12px}#learner-stage #lesson-panel details p{font-size:13px}
#learner-stage[data-node-type="video"].is-playing #lesson-panel{visibility:hidden;pointer-events:none}
#learner-stage[data-node-type="video"] #lesson-panel .lesson-actions{margin-top:14px}
#learner-stage[data-node-type="video"] #lesson-panel .button:disabled{display:none}
#replay-controls{position:absolute;z-index:9;bottom:0;left:0;right:0;padding:14px 24px 18px;background:linear-gradient(transparent,#080a0de6 18px);color:#fff}
.replay-buttons{display:flex;align-items:center;justify-content:center;gap:18px}.replay-buttons button{background:#10151bd6;border:1px solid #ffffff60;color:#fff;border-radius:50%;width:48px;height:48px;min-height:48px;font-size:17px;font-weight:700}
#replay-toggle{font-size:23px}#replay-time{font-size:11px;min-width:76px;font-variant-numeric:tabular-nums;text-align:right;margin-left:auto}
#replay-seek{display:block;width:100%;min-height:36px;height:36px;margin-top:4px;padding:0;accent-color:#ef3340;background:transparent;border:0;cursor:pointer;touch-action:pan-x}
#learner-stage.is-review #lesson-panel{bottom:124px;max-height:calc(100% - 188px)}
#review-return{position:absolute;right:20px;top:66px;z-index:10;font-size:12px;background:#11151ded;color:#fff;border-color:#ffffff8c}
#learner-stage #learner-error{position:absolute;z-index:14;left:16px;right:16px;bottom:16px;max-height:45%;overflow:auto;margin:0;padding:18px;background:#631e26f5;border:1px solid #f26978;border-radius:8px;color:#fff;font-size:14px}
#learner-stage .player-save:not(.sr-only){position:absolute;z-index:14;top:62px;left:20px;background:#631e26;padding:6px 10px;border-radius:4px;font-size:12px}
#learner-stage:fullscreen{width:100%;height:100%;border-radius:0}#learner-stage:fullscreen .video-stage{height:100%;width:100%}#learner-stage::backdrop{background:#080a0d}
@media(max-width:700px),(max-width:1000px) and (pointer:coarse){
 body.learning-active{overflow:hidden;overscroll-behavior:none}
 body.learning-active>.topbar,body.learning-active .learner-heading{display:none}
 body.learning-active #learner-stage{position:fixed;inset:0;z-index:100;width:100%;height:100vh;height:100dvh;border-radius:0}
 body.learning-active #learner-stage .video-stage{height:100%;width:100%;border-radius:0}
 #learner-stage .player-top{padding:calc(6px + env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 12px max(12px,env(safe-area-inset-left));font-size:11px}
 #learner-stage .player-top #learning-position{font-size:9px}
 #learner-stage #lesson-panel{max-height:calc(100% - 64px - env(safe-area-inset-top));padding:34px max(20px,env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}
 #learner-stage #lesson-panel h2{font-size:23px}#learner-stage #lesson-panel .eyebrow{font-size:9px;margin-bottom:10px}
 #learner-stage #lesson-panel p{font-size:13px;margin:10px 0}#learner-stage #lesson-panel .choices button{font-size:16px;padding:15px 16px}
 #learner-stage #lesson-panel .lesson-actions{flex-wrap:wrap}#learner-stage #lesson-panel .lesson-actions .button{font-size:13px;padding:12px 14px}
 #replay-controls{padding:12px max(20px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}
 #learner-stage.is-review #lesson-panel{bottom:calc(116px + env(safe-area-inset-bottom));max-height:calc(100% - 186px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}
 #review-return{top:calc(62px + env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right))}
}
@media(max-width:360px),(max-height:500px){
 #learner-stage #lesson-panel{padding-top:28px;padding-left:16px;padding-right:16px}
 #learner-stage #lesson-panel h2{font-size:20px}#learner-stage #lesson-panel .choices{gap:8px;margin-top:12px}
 #learner-stage #lesson-panel .choices button{font-size:14px;padding:12px 14px;line-height:1.5;min-height:48px}
 #learner-stage #lesson-panel p{font-size:12px}#learner-stage #lesson-panel .eyebrow{font-size:8px;margin-bottom:8px}
 .replay-buttons{gap:14px}.replay-buttons button{width:44px;height:44px;min-height:44px}#replay-time{font-size:10px}
}
@media(prefers-reduced-motion:reduce){#learner-stage .player-top{transition:none}}
#choice-feedback{position:absolute;z-index:3;top:56%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;pointer-events:none;color:#ff4053;text-shadow:0 2px 6px #0009;line-height:1}
#choice-feedback.correct{color:#32d58a}#choice-feedback b{font:800 clamp(120px,24vw,180px)/.9 'Arial',sans-serif;-webkit-text-stroke:2px #fff;paint-order:stroke fill;letter-spacing:0}#choice-feedback span{font-size:18px;font-weight:800;color:#fff;margin-top:10px;text-shadow:0 2px 5px #000}

.records-toolbar #course-filter{max-width:min(420px,100%);text-overflow:ellipsis}

/* Keep replay information above the picture subtitle band. */
#learner-stage[data-node-type="video"].is-review #lesson-panel{top:calc(64px + env(safe-area-inset-top));bottom:auto;max-height:32%;padding-top:18px;padding-bottom:18px;background:linear-gradient(#090c12f5,#090c12ed 80%,transparent)}

#kt-captions{position:absolute;z-index:3;transform:translateX(-50%);text-align:center;pointer-events:none;font-family:system-ui,sans-serif;font-size:clamp(14px,3.6vw,20px);line-height:1.5;color:#fff;text-shadow:0 1px 2px #000}#kt-captions[hidden]{display:none}#kt-captions .kt-caption-line{display:table;max-width:100%;margin:0 auto;padding:.06em .35em;background:rgba(0,0,0,.82);white-space:pre-wrap;word-break:keep-all;overflow-wrap:normal}