.tok-page,.tok-home{--tok-ink:#173e43;--tok-muted:#556d6b;--tok-paper:#fbf7ef;--tok-line:#d8e2db;--tok-accent:#ac4935;color:var(--tok-ink);font-family:'DM Sans',system-ui,sans-serif}
.tok-page{background:var(--tok-paper);padding:clamp(1.3rem,4vw,3.8rem) clamp(1.2rem,5vw,5rem) 4rem}
.tok-page *,.tok-home *{box-sizing:border-box}.tok-page [hidden]{display:none!important}
.tok-page :is(h1,h2,h3,p),.tok-home :is(h2,p){margin-top:0}
.tok-eyebrow{font:700 .72rem/1.5 'DM Sans',system-ui,sans-serif!important;letter-spacing:.15em;color:var(--tok-accent);margin-bottom:.6rem}
.tok-intro{display:flex;align-items:center;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--tok-line);padding-bottom:2rem;margin-bottom:2rem}
.tok-intro>div:first-child{max-width:43rem}
.tok-intro h1{font:400 clamp(2.25rem,4vw,4rem)/1.12 Georgia,serif;letter-spacing:-.04em;margin-bottom:1rem}
.tok-intro h1 span{display:block;font:500 clamp(1rem,1.5vw,1.35rem)/1.6 system-ui,sans-serif;letter-spacing:0;margin-top:.6rem;color:var(--tok-muted)}
.tok-intro p{font-size:1rem;line-height:1.75;max-width:40rem;color:var(--tok-muted);margin-bottom:.3rem}
.tok-intro .tok-lead{font-size:1.35rem;font-weight:600;color:var(--tok-ink)}
.tok-course-facts{display:flex;gap:1.7rem;flex-shrink:0}.tok-course-facts span{max-width:6.7rem;font-size:.78rem;line-height:1.6;color:var(--tok-muted)}
.tok-course-facts strong{display:block;font:400 2.4rem/1.3 Georgia,serif;color:var(--tok-ink)}
.tok-classroom{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,340px);gap:clamp(1.4rem,3vw,3rem);align-items:start}
.tok-watch{min-width:0}.tok-current-heading h2{font:400 clamp(1.65rem,2.6vw,2.55rem)/1.2 Georgia,serif;margin-bottom:.65rem}.tok-current-heading>p:last-child{font-size:.94rem;line-height:1.7;color:var(--tok-muted);max-width:47rem}
.tok-video-stage{aspect-ratio:16/9;position:relative;width:100%;background:#0e272d;border-radius:12px;overflow:hidden}
.tok-video-stage :is(video,iframe){display:block;width:100%;height:100%;border:0}
.tok-youtube-start{padding:0;margin:0;display:block;width:100%;height:100%;position:relative;border:0;background:#0e272d;cursor:pointer;color:white}
.tok-youtube-start img{width:100%;height:100%;display:block;object-fit:cover}
.tok-youtube-start::after{content:'';position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(6,29,34,.78))}
.tok-play-label{position:absolute;z-index:1;bottom:8%;left:50%;transform:translateX(-50%);width:max-content;max-width:92%;font:600 .95rem/1.5 system-ui,sans-serif;padding:.7rem 1.15rem;border-radius:99px;background:#fffaf3;color:#173e43;box-shadow:0 5px 24px #0002}
.tok-play-label>span{display:inline-block;color:#b83e30;margin-right:.5rem}
.tok-caption-row{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;background:white;border:1px solid var(--tok-line);border-radius:8px;padding:.7rem .9rem;margin-top:.75rem;font-size:.82rem}
.tok-caption-row label{font-weight:700}.tok-caption-row select{min-height:42px;max-width:100%;background:white;color:#173e43;border:1px solid #a2b6af;border-radius:5px;padding:.45rem .6rem;font:inherit}.tok-caption-row>span{color:var(--tok-muted);font-size:.76rem}
.tok-player-links{display:flex;align-items:center;justify-content:space-between;gap:.7rem;flex-wrap:wrap;padding:.8rem 0}
.tok-player-links a{color:#8e3426;font-size:.87rem;font-weight:600;text-underline-offset:4px}
.tok-player-links button{border:1px solid #a6b9b1;background:transparent;color:#173e43;min-height:42px;padding:.5rem .7rem;border-radius:6px;cursor:pointer;font:500 .82rem/1.5 system-ui,sans-serif}
.tok-player-note{font-size:.83rem;color:var(--tok-muted);padding:.8rem 0}
.tok-objectives{padding:1.3rem 0;border-top:1px solid var(--tok-line);margin-top:1rem}
.tok-objectives h3{font-size:1rem;margin-bottom:.7rem}.tok-objectives ul{display:grid;gap:.55rem;padding-left:1.2rem;margin:0}.tok-objectives li{font-size:.92rem;line-height:1.65;padding-left:.25rem}
.tok-next{border-top:1px solid var(--tok-line);padding-top:1.2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.tok-next>a:not(.tok-button){font-size:.88rem;color:var(--tok-ink)}.tok-next>span{font-size:.85rem;color:var(--tok-muted);max-width:18rem;line-height:1.6}
.tok-page .tok-button,.tok-home .tok-button{display:inline-flex;align-items:center;justify-content:center;gap:1.2rem;min-height:46px;background:#173e43;color:#fffaf3;border:1px solid #173e43;padding:.72rem 1.1rem;border-radius:6px;font:600 .87rem/1.5 system-ui,sans-serif;text-decoration:none}
.tok-page .tok-button:hover,.tok-home .tok-button:hover{background:#295b5a;color:white}
.tok-syllabus{background:#fff;border:1px solid var(--tok-line);border-radius:12px;padding:1.35rem}
.tok-syllabus>h2{font:400 1.7rem/1.25 Georgia,serif;margin-bottom:1.15rem}.tok-syllabus nav{display:grid;gap:.6rem}
.tok-lesson{display:flex;gap:.8rem;align-items:center;border:1px solid #e2e8e2;border-radius:8px;padding:.85rem;text-decoration:none;color:var(--tok-ink);transition:background .15s,border-color .15s}
.tok-lesson:hover{background:#f5f7f2;border-color:#85a59b}.tok-lesson.is-current{background:#edf3ed;border-color:#608b7d}
.tok-number{font:400 1.45rem/1 Georgia,serif;color:#788d81}.is-current .tok-number{color:#234f43}
.tok-lesson-copy{display:grid;gap:.25rem;flex:1;min-width:0}.tok-lesson-copy strong{font-size:.9rem;line-height:1.4}.tok-lesson-copy>span{font:500 1.1rem/1.5 system-ui,sans-serif;color:#416259}.tok-lesson-copy small{font-size:.71rem;color:var(--tok-muted)}.tok-lesson-arrow{color:#58796c;font-size:.8rem}
.tok-practice-tip{padding:1.2rem .25rem 0;margin-top:1.1rem;border-top:1px solid var(--tok-line)}.tok-practice-tip h3{font-size:.92rem;margin-bottom:.65rem}.tok-practice-tip p{font-size:.81rem;line-height:1.7;color:var(--tok-muted);margin-bottom:.6rem}
.tok-language-note{margin-top:2.5rem;border-top:1px solid var(--tok-line);padding:1.7rem 0 0}.tok-language-note h2{font:400 1.6rem/1.3 Georgia,serif;margin-bottom:.75rem}.tok-language-note p{font-size:.9rem;line-height:1.7;color:var(--tok-muted);max-width:55rem;margin-bottom:.45rem}
.tok-page :is(a,button,select):focus-visible,.tok-home a:focus-visible{outline:3px solid #ac4935;outline-offset:4px}
.tok-home{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;background:#f6f0e5;padding:2.5rem clamp(1.25rem,5vw,5rem);border-block:1px solid #e1e5d9}
.tok-featured-link{display:inline-flex;margin-top:1rem;padding:.72rem 1.15rem;border-radius:7px;background:#173e43;color:#fff;font-weight:700;text-decoration:none;line-height:1.4}.tok-featured-link:hover{background:#285d61;color:#fff}.tok-play-count{color:#526a66;font-size:.875rem;margin:.4rem 0 1rem}.tok-page video::cue{font-size:1rem;color:#fff;background:rgba(8,31,42,.85)}
.tok-travel-help{background:#eaf2ed;border:1px solid #b7d1c4;border-radius:10px;padding:1.15rem 1.3rem;margin:1rem 0;color:#173e43}.tok-travel-help h3{margin:0 0 .45rem;font-size:1.05rem}.tok-travel-help p{font-size:.89rem;line-height:1.6;margin:0 0 .8rem}.tok-travel-help button{min-height:44px;padding:.6rem .9rem;border:0;border-radius:5px;background:#173e43;color:white;font:700 .83rem system-ui,sans-serif;cursor:pointer}.tok-travel-help a{display:inline-block;color:#88402d;margin:.6rem .7rem;font-size:.88rem}.tok-views-note{font-size:.75rem;line-height:1.5;color:#526a66;margin:0 0 1rem}
.tok-local-start{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;background:#12313b;cursor:pointer;color:#fff}.tok-local-start img{width:100%;height:100%;object-fit:cover;display:block}.tok-local-start span{position:absolute;left:50%;bottom:8%;transform:translateX(-50%);white-space:nowrap;background:#fff9ec;color:#173b47;border-radius:99px;padding:.65rem 1.15rem;font-weight:800;box-shadow:0 3px 16px #102b3377}.tok-video-stats{display:flex;gap:1.3rem;padding:.8rem .15rem .3rem;color:#34575c;font-size:.86rem}.tok-video-stats strong{font-size:1.05rem;color:#173b47;margin-left:.25rem}
.tok-featured-poster{display:block;position:relative;width:min(100%,330px);aspect-ratio:16/9;overflow:hidden;margin-top:1rem;border-radius:12px;background:#103747;box-shadow:0 8px 25px #16394533}.tok-featured-poster img{display:block;width:100%;height:100%;object-fit:cover}.tok-featured-poster>span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#fff9e9;color:#153c46;font-size:1.4rem;box-shadow:0 4px 18px #102b3377}.tok-featured-poster:hover>span{background:#f3c77c}.tok-featured-poster:focus-visible{outline:3px solid #ad4936;outline-offset:4px}
.tok-home-preview{position:relative;width:100%;aspect-ratio:16/9;background:#103747;border-radius:10px;overflow:hidden}.tok-home-preview video,.tok-home-preview button,.tok-home-preview img{width:100%;height:100%;display:block}.tok-home-preview video{object-fit:contain}.tok-home-preview button{position:absolute;inset:0;border:0;background:none;padding:0;cursor:pointer}.tok-home-preview img{object-fit:cover}.tok-home-preview button span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#fff9e9;color:#153c46;font-size:1.4rem;box-shadow:0 4px 18px #102b3377}.tok-home-all{display:inline-block;margin-top:.7rem;color:#173e43;font-size:.88rem;font-weight:700;text-underline-offset:4px}
.tok-home h2{font:400 clamp(1.8rem,3vw,2.8rem)/1.2 Georgia,serif}.tok-home h2 span{font:500 1rem/1.5 system-ui,sans-serif;display:block;margin-top:.5rem}.tok-home p{font-size:.95rem;line-height:1.7;max-width:35rem}.tok-home-letters{font:500 clamp(3rem,6vw,6rem)/1.6 system-ui,sans-serif;letter-spacing:.1em;text-align:center;color:#173e43}.tok-home-letters>span{color:#a6553e}.tok-home-letters small{display:block;font:500 .78rem/1.7 system-ui,sans-serif;letter-spacing:0;color:#53645c}
@media(max-width:1100px){.tok-course-facts{gap:1rem}.tok-classroom{grid-template-columns:minmax(0,1fr) 290px}.tok-intro{align-items:flex-start}.tok-course-facts strong{font-size:1.9rem}}
@media(max-width:800px){.tok-intro{display:block}.tok-course-facts{margin-top:1.3rem;gap:2rem}.tok-course-facts span{max-width:none}.tok-course-facts strong{font-size:1.75rem}.tok-classroom{grid-template-columns:1fr}.tok-syllabus{order:1}.tok-home{grid-template-columns:1fr}.tok-home-letters{font-size:3rem}.tok-caption-row>span{flex-basis:100%}.tok-intro h1{font-size:2.5rem}.tok-player-links{align-items:flex-start}.tok-current-heading h2{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){.tok-lesson{transition:none}}

/* Keep instructional Hangul visible within the Korean course. */
html body .tok-page [lang="ko"],html body .tok-home [lang="ko"]{display:block!important;opacity:1!important}

.tok-syllabus .tok-syllabus-group{font:700 .75rem/1.5 system-ui,sans-serif;color:var(--tok-accent);letter-spacing:.035em;margin:1rem 0 .15rem}.tok-syllabus .tok-syllabus-group:first-child{margin-top:0}.tok-player-links .tok-player-note{margin:0;padding:0;max-width:24rem;line-height:1.6}

.tok-local-start span{top:50%;bottom:auto;display:grid;place-items:center;width:72px;height:72px;padding:0;font-size:1.7rem;transform:translate(-50%,-50%)}.tok-audio-credit{font-size:.8rem;line-height:1.6;color:#526a66;margin:1rem 0}.tok-audio-credit a{color:#244f60;text-decoration:underline}

#tok-explain-body{font-size:1rem;line-height:1.8;padding-left:1.5rem}#tok-explain-body li{margin:0 0 1rem}.tok-sound-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.6rem}.tok-sound-grid button{font-size:1rem;min-height:48px;background:#123746;color:#fff;border:0;border-radius:8px;cursor:pointer;padding:.65rem}.tok-sound-grid button:focus-visible{outline:3px solid #dfab36;outline-offset:3px}@media(max-width:600px){.tok-sound-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.tok-home-lessons{max-width:1440px;margin:3rem auto;padding:0 1rem}.tok-video-library{margin:2rem 0}.tok-library-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.tok-library-heading select{font:inherit;padding:.6rem;background:#fff;color:#123746;border:1px solid #748e99;border-radius:8px}.tok-card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.tok-video-card{min-width:0;background:#fff;color:#123746;border-radius:12px;overflow:hidden;box-shadow:0 3px 15px #12374612}.tok-card-stage{position:relative;aspect-ratio:16/9;background:#0b2631}.tok-card-stage video{width:100%;height:100%;display:block}.tok-card-play{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;cursor:pointer;background:#0b2631}.tok-card-play[hidden]{display:none}.tok-card-play img{width:100%;height:100%;object-fit:cover;display:block}.tok-card-play span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#123746e8;color:#fff;border-radius:50%;width:48px;height:48px;display:grid;place-items:center;font-size:22px}.tok-card-play:focus-visible{outline:3px solid #e6b74f;outline-offset:-3px}.tok-card-copy{padding:14px}.tok-card-copy h3{font-size:1.1rem;margin:0;line-height:1.6}.tok-card-copy p{margin:.4rem 0;font-size:.9rem}.tok-card-copy .tok-video-stats{display:flex;flex-wrap:wrap;gap:.5rem;font-size:.875rem;margin:.65rem 0}.tok-card-copy a{font-size:.875rem;color:#15596c}.tok-library-only .tok-classroom,.tok-library-only .tok-course-facts{display:none}@media(max-width:1100px){.tok-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.tok-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:440px){.tok-card-grid{grid-template-columns:1fr}}

#tok-local-start[hidden]{display:none}.tok-card-video:fullscreen,#tok-video:fullscreen{width:100vw;height:100vh;object-fit:contain;background:#000}.tok-card-video:-webkit-full-screen,#tok-video:-webkit-full-screen{width:100%;height:100%;object-fit:contain;background:#000}