:root{
  --tl-paper:#f7f1e5;--tl-paper-2:#efe4d1;--tl-card:#fffdf8;--tl-ink:#18345f;--tl-muted:#596579;
  --tl-line:rgba(27,58,107,.16);--tl-gold:#aa7d3c;--tl-rust:#8b3a2e;--tl-green:#246852;
  --tl-shadow:0 22px 54px rgba(27,43,72,.11);--tl-serif:"Cormorant Garamond",Georgia,serif;
  --tl-sans:"Inter Tight",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --tl-mono:"JetBrains Mono",ui-monospace,monospace;--tl-jp:"Noto Serif JP",serif;
}
html[data-mode="dark"]{
  --tl-paper:#0b1322;--tl-paper-2:#101b2e;--tl-card:#16213a;--tl-ink:#edf1f8;--tl-muted:#bac4d5;
  --tl-line:rgba(255,255,255,.15);--tl-gold:#e2c17d;--tl-rust:#e2a093;--tl-green:#8ed1b9;
  --tl-shadow:0 24px 60px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;font-size:clamp(16px,.36vw + 11px,21px)}
body{margin:0;background:
  radial-gradient(80% 42rem at 13% -7%,color-mix(in srgb,var(--tl-gold) 14%,transparent),transparent 70%),
  linear-gradient(180deg,var(--tl-paper),var(--tl-paper-2));color:var(--tl-ink);font-family:var(--tl-sans);line-height:1.6;min-height:100vh}
@media(min-width:769px){body{padding-right:230px}}
a{color:inherit}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--tl-gold) 72%,white);outline-offset:3px}
.tl-shell{width:min(1160px,calc(100% - 34px));margin:0 auto;padding:18px 0 70px}
.tl-top{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;border-bottom:1px solid var(--tl-line);margin-bottom:24px}
.tl-brand{display:flex;align-items:center;gap:11px;text-decoration:none;min-height:48px}.tl-brand img{width:42px;height:42px;border-radius:12px}.tl-brand strong{display:block;font:italic 1.3rem/1 var(--tl-serif)}.tl-brand small{font:600 .6rem/1.2 var(--tl-mono);letter-spacing:.19em;color:var(--tl-gold)}
.tl-back{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 15px;border:1px solid var(--tl-line);border-radius:999px;text-decoration:none;font:600 .68rem/1 var(--tl-mono);letter-spacing:.1em}
.tl-breadcrumb{font:500 .65rem/1.4 var(--tl-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--tl-muted);margin:0 0 20px}.tl-breadcrumb a{color:var(--tl-gold);text-decoration:none}.tl-breadcrumb a:hover{text-decoration:underline}
.tl-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.22fr) minmax(270px,.78fr);gap:clamp(24px,5vw,72px);align-items:center;padding:clamp(26px,5vw,62px) clamp(20px,5vw,60px);border:1px solid var(--tl-line);border-radius:28px;background:color-mix(in srgb,var(--tl-card) 90%,transparent);box-shadow:var(--tl-shadow);overflow:hidden}
.tl-hero:before{content:"特定技能";position:absolute;right:-.03em;bottom:-.2em;font:700 clamp(6rem,17vw,13rem)/.8 var(--tl-jp);color:color-mix(in srgb,var(--tl-gold) 7%,transparent);pointer-events:none}
.tl-eyebrow{font:650 .68rem/1.4 var(--tl-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--tl-gold);margin:0 0 14px}
.tl-hero h1{font:italic 400 clamp(2.65rem,7vw,5.8rem)/.88 var(--tl-serif);letter-spacing:-.035em;margin:0 0 20px;max-width:11ch}.tl-hero h1 span{display:block;color:var(--tl-rust)}
.tl-lede{font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.65;color:var(--tl-muted);max-width:62ch;margin:0 0 24px}.tl-lede strong{color:var(--tl-ink)}
.tl-actions{display:flex;flex-wrap:wrap;gap:10px}.tl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 18px;border:1px solid var(--tl-line);border-radius:12px;background:var(--tl-card);color:var(--tl-ink);text-decoration:none;font-weight:700;cursor:pointer}.tl-btn.primary{background:var(--tl-ink);border-color:var(--tl-ink);color:var(--tl-paper)}.tl-btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(25,40,70,.12)}
.tl-hero-visual{position:relative;min-height:360px;border-radius:23px;overflow:hidden;background:var(--tl-paper-2);border:1px solid var(--tl-line)}.tl-hero-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.tl-hero-visual:after{content:"働くための日本語";position:absolute;left:18px;right:18px;bottom:18px;padding:13px 16px;background:rgba(10,19,34,.76);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:12px;backdrop-filter:blur(12px);font:600 .82rem/1.3 var(--tl-jp);letter-spacing:.08em}
.tl-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:22px 0 0;background:var(--tl-line);border:1px solid var(--tl-line);border-radius:18px;overflow:hidden}.tl-proof div{background:var(--tl-card);padding:18px}.tl-proof strong{display:block;font:500 1.9rem/1 var(--tl-serif);color:var(--tl-rust)}.tl-proof span{display:block;margin-top:7px;color:var(--tl-muted);font-size:.79rem}
.tl-section{padding:clamp(52px,8vw,92px) 0 0}.tl-section-head{display:grid;grid-template-columns:minmax(180px,.5fr) minmax(0,1.5fr);gap:30px;align-items:end;margin-bottom:24px}.tl-section-head .tl-index{font:650 .62rem/1 var(--tl-mono);letter-spacing:.16em;color:var(--tl-gold)}.tl-section-head h2{font:italic 400 clamp(2rem,5vw,4rem)/.95 var(--tl-serif);margin:0}.tl-section-head p{color:var(--tl-muted);max-width:68ch;margin:13px 0 0}
.tl-callout{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px 20px;border-left:4px solid var(--tl-gold);background:color-mix(in srgb,var(--tl-card) 82%,transparent);border-radius:0 14px 14px 0;color:var(--tl-muted)}.tl-callout b{color:var(--tl-ink)}.tl-callout .mark{font:700 1.25rem/1 var(--tl-jp);color:var(--tl-gold)}
.tl-filter{display:grid;grid-template-columns:minmax(0,1fr) minmax(210px,.34fr);gap:10px;margin:22px 0}.tl-field{min-height:48px;border:1px solid var(--tl-line);border-radius:12px;background:var(--tl-card);color:var(--tl-ink);padding:10px 14px}.tl-field::placeholder{color:var(--tl-muted)}
.tl-sector-list{border-top:1px solid var(--tl-line)}.tl-sector{display:grid;grid-template-columns:56px minmax(190px,.72fr) minmax(220px,1.28fr);gap:18px;align-items:center;padding:20px 4px;border-bottom:1px solid var(--tl-line)}.tl-sector[hidden]{display:none}.tl-no{font:650 .65rem/1 var(--tl-mono);color:var(--tl-gold)}.tl-name-jp{font:600 1.06rem/1.3 var(--tl-jp)}.tl-name-vi{font-weight:700;margin-top:3px}.tl-status{font-size:.75rem;color:var(--tl-muted);margin-top:4px}.tl-sector-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}.tl-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid var(--tl-line);border-radius:10px;text-decoration:none;font-size:.77rem;font-weight:700}.tl-link:hover{border-color:var(--tl-gold);color:var(--tl-gold)}.tl-link.exam{background:color-mix(in srgb,var(--tl-gold) 13%,var(--tl-card))}.tl-link.disabled{color:var(--tl-muted);cursor:not-allowed;border-style:dashed}
.tl-roadmap{display:grid;grid-template-columns:minmax(220px,.6fr) minmax(0,1.4fr);gap:20px}.tl-roadmap-intro,.tl-week{background:var(--tl-card);border:1px solid var(--tl-line);border-radius:18px;padding:22px}.tl-roadmap-intro{position:sticky;top:28px;align-self:start}.tl-roadmap-intro h3{font:italic 400 2.2rem/1 var(--tl-serif);margin:0 0 12px}.tl-roadmap-intro p{color:var(--tl-muted)}.tl-roadmap-intro ul{padding-left:1.2em}.tl-weeks{display:grid;gap:12px}.tl-week{display:grid;grid-template-columns:82px 1fr;gap:18px}.tl-week-no{font:700 .65rem/1.4 var(--tl-mono);letter-spacing:.1em;color:var(--tl-gold)}.tl-week h3{margin:0 0 7px;font-size:1.05rem}.tl-week p{margin:0;color:var(--tl-muted);font-size:.9rem}
.tl-sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tl-source{display:block;min-height:120px;padding:20px;background:var(--tl-card);border:1px solid var(--tl-line);border-radius:16px;text-decoration:none}.tl-source:hover{border-color:var(--tl-gold)}.tl-source small{font:650 .61rem/1 var(--tl-mono);letter-spacing:.12em;color:var(--tl-gold)}.tl-source h3{font-size:1rem;margin:12px 0 7px}.tl-source p{margin:0;color:var(--tl-muted);font-size:.84rem}.tl-source.external h3:after{content:" ↗";color:var(--tl-gold)}
.tl-quiz-layout{display:grid;grid-template-columns:minmax(220px,.47fr) minmax(0,1.53fr);gap:18px;align-items:start}.tl-quiz-controls{padding:20px;background:var(--tl-card);border:1px solid var(--tl-line);border-radius:18px;position:sticky;top:20px}.tl-control{display:block;margin-bottom:14px}.tl-control span{display:block;margin-bottom:6px;font:650 .61rem/1 var(--tl-mono);letter-spacing:.1em;color:var(--tl-muted);text-transform:uppercase}.tl-control select{width:100%}.tl-quiz-note{font-size:.78rem;color:var(--tl-muted);margin:12px 0 0}.tl-quiz{min-height:470px;background:var(--tl-card);border:1px solid var(--tl-line);border-radius:20px;padding:clamp(20px,4vw,36px);box-shadow:var(--tl-shadow)}
.tl-state{text-align:center;padding:56px 18px}.tl-state .jp{font:600 clamp(2.4rem,7vw,5rem)/1 var(--tl-jp);color:var(--tl-gold)}.tl-state h3{font:italic 400 2rem/1 var(--tl-serif);margin:16px 0 10px}.tl-state p{max-width:54ch;margin:0 auto 20px;color:var(--tl-muted)}
.tl-quiz-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:16px;border-bottom:1px solid var(--tl-line);font:650 .62rem/1.4 var(--tl-mono);letter-spacing:.08em;color:var(--tl-muted)}.tl-question-tag{color:var(--tl-gold)}.tl-question h3{font:600 clamp(1.45rem,3.2vw,2.25rem)/1.45 var(--tl-jp);margin:28px 0 9px}.tl-question .stem-vi{color:var(--tl-muted);margin:0 0 22px}.tl-options{display:grid;gap:10px}.tl-option{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:center;width:100%;min-height:56px;text-align:left;padding:10px 14px;border:1.5px solid var(--tl-line);border-radius:12px;background:var(--tl-card);color:var(--tl-ink);cursor:pointer}.tl-option:hover:not(:disabled){border-color:var(--tl-gold);transform:translateX(2px)}.tl-option .key{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--tl-paper-2);font:700 .72rem/1 var(--tl-mono)}.tl-option .opt-ja{font-family:var(--tl-jp);font-weight:600}.tl-option .opt-vi{display:block;color:var(--tl-muted);font-size:.88rem;margin-top:2px}.tl-option .opt-vi:only-child{color:var(--tl-ink);font-size:1rem;font-weight:600;margin-top:0}.tl-option.correct{border-color:var(--tl-green);background:color-mix(in srgb,var(--tl-green) 10%,var(--tl-card))}.tl-option.wrong{border-color:var(--tl-rust);background:color-mix(in srgb,var(--tl-rust) 9%,var(--tl-card))}.tl-option:disabled{cursor:default}
.tl-explain{margin-top:18px;padding:18px;border-left:4px solid var(--tl-green);background:color-mix(in srgb,var(--tl-green) 7%,var(--tl-card));border-radius:0 12px 12px 0}.tl-explain.wrong{border-color:var(--tl-rust);background:color-mix(in srgb,var(--tl-rust) 7%,var(--tl-card))}.tl-explain h4{margin:0 0 7px}.tl-explain p{margin:0;color:var(--tl-muted)}.tl-source-locator{margin-top:9px!important;font:500 .67rem/1.5 var(--tl-mono);color:var(--tl-gold)!important}.tl-next{display:flex;justify-content:flex-end;margin-top:18px}
.tl-score{display:grid;place-items:center;width:144px;height:144px;margin:0 auto 22px;border:1px solid var(--tl-line);border-radius:50%;background:var(--tl-paper-2)}.tl-score strong{font:500 3rem/1 var(--tl-serif);color:var(--tl-rust)}.tl-score span{font:.62rem/1 var(--tl-mono);color:var(--tl-muted)}.tl-review{margin-top:22px;text-align:left}.tl-review details{border-top:1px solid var(--tl-line);padding:14px 0}.tl-review summary{cursor:pointer;font-weight:700}.tl-review p{color:var(--tl-muted)}.tl-review-answer{margin:10px 0 0!important}.tl-review-answer.correct-answer{color:var(--tl-green)!important;font-weight:700}
.tl-footer{margin-top:72px;padding:26px 0;border-top:1px solid var(--tl-line);font:.65rem/1.6 var(--tl-mono);letter-spacing:.06em;color:var(--tl-muted);text-align:center}
.tl-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:900px){.tl-hero{grid-template-columns:1fr}.tl-hero-visual{min-height:290px}.tl-section-head{grid-template-columns:1fr}.tl-roadmap,.tl-quiz-layout{grid-template-columns:1fr}.tl-roadmap-intro,.tl-quiz-controls{position:static}.tl-sector{grid-template-columns:48px 1fr}.tl-sector-actions{grid-column:2;justify-content:flex-start}.tl-sources{grid-template-columns:1fr}}
@media(max-width:580px){.tl-shell{width:min(100% - 22px,1160px)}.tl-top{align-items:flex-start}.tl-brand small{letter-spacing:.1em}.tl-hero{padding:24px 18px;border-radius:20px}.tl-hero h1{font-size:2.7rem}.tl-proof{grid-template-columns:1fr}.tl-proof div{display:flex;align-items:baseline;gap:12px}.tl-filter{grid-template-columns:1fr}.tl-sector{grid-template-columns:38px 1fr;gap:10px}.tl-sector-actions{grid-column:1/-1}.tl-link{flex:1}.tl-week{grid-template-columns:1fr}.tl-quiz{padding:18px 14px;min-height:420px}.tl-option{grid-template-columns:32px 1fr}.tl-btn{width:100%}}

/* Bài học Tokutei nguồn khóa */
.tl-lesson-hero:before{content:"食・介"}.tl-lesson-toolbar{display:grid;gap:14px;margin-bottom:18px}.tl-sector-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tl-sector-tabs button{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"jp meta" "vi meta";gap:3px 14px;align-items:center;min-height:92px;padding:16px 18px;text-align:left;border:1.5px solid var(--tl-line);border-radius:16px;background:var(--tl-card);color:var(--tl-ink);cursor:pointer}.tl-sector-tabs button:hover,.tl-sector-tabs button.is-active{border-color:var(--tl-gold);box-shadow:0 10px 26px rgba(28,42,68,.09)}.tl-sector-tabs button.is-active{background:color-mix(in srgb,var(--tl-gold) 9%,var(--tl-card))}.tl-sector-tabs button span{grid-area:jp;font:600 1rem/1.35 var(--tl-jp)}.tl-sector-tabs button b{grid-area:vi;font-size:.94rem}.tl-sector-tabs button small{grid-area:meta;color:var(--tl-muted);text-align:right;font:600 .64rem/1.5 var(--tl-mono)}
.tl-lesson-progress{display:grid;grid-template-columns:auto minmax(140px,1fr);gap:14px;align-items:center;padding:0 4px;color:var(--tl-muted);font:600 .66rem/1.4 var(--tl-mono)}.tl-lesson-progress i{height:7px;border-radius:99px;background:var(--tl-line);overflow:hidden}.tl-lesson-progress i b{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--tl-gold),var(--tl-rust));transition:width .35s ease}
.tl-learning-layout{display:grid;grid-template-columns:minmax(220px,.46fr) minmax(0,1.54fr);gap:18px;align-items:start}.tl-module-nav{position:sticky;top:22px;padding:18px;background:color-mix(in srgb,var(--tl-card) 88%,transparent);border:1px solid var(--tl-line);border-radius:18px}.tl-module-nav .tl-eyebrow{margin-bottom:10px}.tl-module-nav>div{display:grid;gap:7px}.tl-module-button{display:grid;grid-template-columns:34px minmax(0,1fr) 28px;gap:9px;align-items:center;width:100%;min-height:68px;padding:9px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--tl-ink);text-align:left;cursor:pointer}.tl-module-button:hover{background:var(--tl-paper-2)}.tl-module-button.is-active{border-color:var(--tl-gold);background:var(--tl-card);box-shadow:0 8px 22px rgba(26,42,68,.08)}.tl-module-button.is-complete .tl-module-state{background:var(--tl-green);color:#fff}.tl-module-number{font:700 .65rem/1 var(--tl-mono);color:var(--tl-gold)}.tl-module-copy strong{display:block;font:600 .82rem/1.4 var(--tl-jp)}.tl-module-copy small{display:block;color:var(--tl-muted);font-size:.72rem;line-height:1.35;margin-top:2px}.tl-module-state{display:grid;place-items:center;min-width:26px;height:26px;border-radius:50%;background:var(--tl-paper-2);color:var(--tl-muted);font:700 .58rem/1 var(--tl-mono)}
.tl-lesson-stage{min-width:0}.tl-lesson-article{overflow:hidden;background:var(--tl-card);border:1px solid var(--tl-line);border-radius:22px;box-shadow:var(--tl-shadow)}.tl-lesson-head{position:relative;padding:clamp(24px,5vw,48px);border-bottom:1px solid var(--tl-line);background:linear-gradient(135deg,color-mix(in srgb,var(--tl-gold) 9%,var(--tl-card)),var(--tl-card))}.tl-lesson-head:after{content:"学";position:absolute;right:18px;top:-.13em;color:color-mix(in srgb,var(--tl-gold) 8%,transparent);font:700 8rem/1 var(--tl-jp);pointer-events:none}.tl-lesson-head h2{position:relative;z-index:1;margin:0;font:600 clamp(2rem,5vw,3.65rem)/1.25 var(--tl-jp);letter-spacing:.02em}.tl-lesson-title-vi{position:relative;z-index:1;margin:8px 0 18px;font:italic 400 clamp(1.35rem,3vw,2.05rem)/1.15 var(--tl-serif);color:var(--tl-rust)}.tl-review-status{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tl-review-status b,.tl-review-status span{padding:6px 9px;border-radius:999px;font:650 .57rem/1 var(--tl-mono);letter-spacing:.05em}.tl-review-status b{background:color-mix(in srgb,var(--tl-green) 14%,var(--tl-card));color:var(--tl-green)}.tl-review-status span{background:var(--tl-paper-2);color:var(--tl-muted)}.tl-lesson-sources{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px}.tl-source-chip{display:grid;gap:3px;min-width:170px;padding:10px 12px;border:1px solid var(--tl-line);border-radius:10px;background:color-mix(in srgb,var(--tl-card) 88%,transparent);text-decoration:none}.tl-source-chip:hover{border-color:var(--tl-gold)}.tl-source-chip b{font:650 .6rem/1.3 var(--tl-mono);color:var(--tl-gold)}.tl-source-chip span{font-size:.72rem;color:var(--tl-muted)}
.tl-lesson-body{padding:0 clamp(20px,5vw,48px)}.tl-lesson-block{padding:clamp(30px,5vw,50px) 0;border-bottom:1px solid var(--tl-line)}.tl-block-title{display:flex;align-items:center;gap:12px;margin-bottom:20px}.tl-block-title>span,.tl-title-label>span{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--tl-paper-2);color:var(--tl-gold);font:700 .61rem/1 var(--tl-mono)}.tl-block-title h3,.tl-title-label h3{margin:0;font:italic 400 clamp(1.55rem,3vw,2.25rem)/1.1 var(--tl-serif)}.tl-title-actions{justify-content:space-between}.tl-title-label{display:flex;align-items:center;gap:12px}.tl-meaning-toggle{min-height:44px;padding:8px 13px;border:1px solid var(--tl-line);border-radius:999px;background:var(--tl-card);color:var(--tl-ink);font:700 .68rem/1.25 var(--tl-sans);cursor:pointer}.tl-meaning-toggle:hover{border-color:var(--tl-gold)}
.tl-objective-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.tl-objective-list li{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 16px;border-left:3px solid var(--tl-gold);background:var(--tl-paper-2);border-radius:0 11px 11px 0}.tl-objective-list small,.tl-inline-locator{color:var(--tl-gold);font:600 .58rem/1.4 var(--tl-mono)}.tl-concept-list{display:grid;gap:11px}.tl-concept-card{position:relative;padding:18px 18px 16px 52px;border:1px solid var(--tl-line);border-radius:14px;background:color-mix(in srgb,var(--tl-card) 88%,var(--tl-paper-2))}.tl-concept-index{position:absolute;left:16px;top:21px;color:var(--tl-gold);font:700 .61rem/1 var(--tl-mono)}.tl-concept-ja{margin:0 0 8px;font:600 clamp(1.15rem,2.2vw,1.45rem)/1.75 var(--tl-jp)}.tl-meaning{margin:0 0 8px;color:var(--tl-muted);font-size:.92rem}.tl-meaning[hidden]{display:none!important}.tl-term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.tl-term-card{position:relative;min-height:118px;padding:22px 15px 14px;border:1px solid var(--tl-line);border-radius:14px;background:var(--tl-card)}.tl-term-ruby{font:600 clamp(1.2rem,2.4vw,1.55rem)/1.8 var(--tl-jp)}.tl-term-ruby rt{font:500 .52em/1.2 var(--tl-jp);color:var(--tl-gold)}.tl-term-card .tl-meaning{margin-top:10px}.tl-term-card .tl-inline-locator{display:block;margin-top:8px}
.tl-scenario-card{position:relative;padding:clamp(20px,4vw,32px);border:1px solid var(--tl-line);border-radius:18px;background:linear-gradient(145deg,var(--tl-paper-2),color-mix(in srgb,var(--tl-card) 80%,var(--tl-paper-2)))}.tl-scenario-card:after{content:"現場";position:absolute;right:18px;top:12px;color:color-mix(in srgb,var(--tl-gold) 13%,transparent);font:700 3.2rem/1 var(--tl-jp)}.tl-scenario-card .tl-eyebrow{position:relative;z-index:1}.tl-scenario-context{position:relative;z-index:1;max-width:64ch;color:var(--tl-muted)}.tl-scenario-card h4{position:relative;z-index:1;margin:18px 0;font-size:1.12rem}.tl-scenario-reveal{position:relative;z-index:1}.tl-scenario-answer{position:relative;z-index:1;margin-top:14px;padding:16px;border-left:4px solid var(--tl-green);border-radius:0 11px 11px 0;background:var(--tl-card)}.tl-scenario-answer p{margin:7px 0;color:var(--tl-muted)}
.tl-self-check{padding:clamp(30px,5vw,50px) clamp(20px,5vw,48px);border-bottom:0;background:color-mix(in srgb,var(--tl-paper-2) 48%,var(--tl-card))}.tl-check-dots{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 16px}.tl-check-dots button{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--tl-line);border-radius:50%;background:var(--tl-card);color:var(--tl-muted);font:700 .61rem/1 var(--tl-mono);cursor:pointer}.tl-check-dots button.is-current{box-shadow:0 0 0 3px color-mix(in srgb,var(--tl-gold) 28%,transparent);border-color:var(--tl-gold)}.tl-check-dots button.is-correct{background:var(--tl-green);border-color:var(--tl-green);color:#fff}.tl-check-dots button.is-wrong{background:var(--tl-rust);border-color:var(--tl-rust);color:#fff}.tl-check-card{padding:clamp(18px,4vw,30px);border:1px solid var(--tl-line);border-radius:17px;background:var(--tl-card)}.tl-check-card .tl-question h3{margin-top:23px}.tl-check-result{padding:clamp(24px,5vw,42px);border:1px solid var(--tl-line);border-radius:17px;background:var(--tl-card);text-align:center}.tl-check-result>strong{display:grid;place-items:center;width:122px;height:122px;margin:0 auto 17px;border-radius:50%;background:var(--tl-paper-2);color:var(--tl-rust);font:500 2.7rem/1 var(--tl-serif)}.tl-check-result h4{font:italic 400 1.8rem/1.1 var(--tl-serif);margin:0 0 10px}.tl-check-result>p{max-width:56ch;margin:0 auto 18px;color:var(--tl-muted)}.tl-check-result .tl-actions{justify-content:center}
html.tl-app-content .tl-module-nav{top:84px}html.tl-app-content .tl-learning-layout{padding-bottom:8px}
@media(max-width:900px){.tl-learning-layout{grid-template-columns:1fr}.tl-module-nav{position:static;overflow-x:auto}.tl-module-nav>div{display:flex;min-width:max-content}.tl-module-button{width:240px}.tl-lesson-head h2{font-size:2.55rem}}
@media(max-width:580px){.tl-sector-tabs{grid-template-columns:1fr}.tl-sector-tabs button{min-height:82px}.tl-lesson-progress{grid-template-columns:1fr;gap:7px}.tl-module-nav{margin-left:-1px;margin-right:-1px;padding:12px}.tl-module-button{width:215px}.tl-lesson-article{border-radius:17px}.tl-lesson-head{padding:24px 18px}.tl-lesson-head h2{font-size:2rem}.tl-lesson-head:after{font-size:6rem}.tl-lesson-body{padding:0 16px}.tl-title-actions{align-items:flex-start;flex-direction:column}.tl-meaning-toggle{width:100%}.tl-objective-list li{grid-template-columns:1fr}.tl-term-grid{grid-template-columns:1fr}.tl-self-check{padding:28px 12px}.tl-check-card{padding:17px 12px}.tl-source-chip{width:100%}.tl-check-result .tl-btn{width:100%}}

/* Redesign bài học Tokutei luồng từng bậc */
body.tl-lesson-page #tl-stack { display: none !important; }
@media (min-width: 769px) { body.tl-lesson-page { padding-right: 0; } }
body.tl-lesson-page .tl-step-workspace { max-width: 760px; margin: 0 auto; }
body.tl-lesson-page .tl-top { margin-bottom: 14px; }
body.tl-lesson-page .tl-step-intro { margin-bottom: 16px; }
body.tl-lesson-page .tl-step-intro p { margin: 0 0 4px; color: var(--tl-gold); font-size: .76rem; font-weight: 700; }
body.tl-lesson-page .tl-step-intro h1 { margin: 0; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; letter-spacing: -.03em; }
body.tl-lesson-page .tl-step-intro span { display: block; margin-top: 7px; color: var(--tl-muted); font-size: .92rem; }
body.tl-lesson-page .tl-step-controls { display: grid; gap: 10px; margin-bottom: 14px; }
body.tl-lesson-page .tl-sector-tabs { gap: 8px; }
body.tl-lesson-page .tl-sector-tabs button { display: flex; justify-content: space-between; gap: 12px; min-height: 62px; padding: 10px 13px; border-radius: 12px; }
body.tl-lesson-page .tl-sector-tabs button span { font-size: .86rem; }
body.tl-lesson-page .tl-sector-tabs button b { font-size: .86rem; }
body.tl-lesson-page .tl-module-picker { display: flex; flex-direction: column; gap: 6px; font: 650 .74rem/1.2 var(--tl-mono); letter-spacing: .06em; color: var(--tl-muted); text-transform: uppercase; }
body.tl-lesson-page .tl-module-picker select { width: 100%; min-height: 44px; }
body.tl-lesson-page .tl-lesson-progress { display: block; padding: 0 2px; font-size: .76rem; }
body.tl-lesson-page .tl-active-lesson { margin-bottom: 12px; }
body.tl-lesson-page .tl-summary-card { padding: 13px 15px; background: color-mix(in srgb, var(--tl-card) 84%, transparent); border: 1px solid var(--tl-line); border-radius: 14px; box-shadow: none; }
body.tl-lesson-page .tl-summary-card .tl-eyebrow { margin: 0 0 3px; font-size: .68rem; }
body.tl-lesson-page .tl-summary-title { font: 600 clamp(1.18rem, 2.5vw, 1.55rem)/1.35 var(--tl-jp); margin: 0; }
body.tl-lesson-page .tl-summary-vi { font: italic 400 .98rem/1.3 var(--tl-serif); color: var(--tl-rust); margin: 2px 0 7px; }
body.tl-lesson-page .tl-objectives-drawer { border-top: 1px solid var(--tl-line); padding-top: 7px; margin-top: 7px; }
body.tl-lesson-page .tl-objectives-drawer summary { cursor: pointer; font: 600 .82rem/1.4 var(--tl-sans); color: var(--tl-gold); }
body.tl-lesson-page .tl-step-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 14px; }
body.tl-lesson-page .tl-step-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-height: 52px; padding: 8px 4px; border: 1px solid var(--tl-line); border-radius: 12px; background: var(--tl-card); color: var(--tl-ink); cursor: pointer; transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease; }
body.tl-lesson-page .tl-step-btn:hover { border-color: var(--tl-gold); }
body.tl-lesson-page .tl-step-btn.is-active { background: var(--tl-ink); border-color: var(--tl-ink); color: var(--tl-paper); }
body.tl-lesson-page .tl-step-num { font: 700 .6rem/1 var(--tl-mono); opacity: .7; }
body.tl-lesson-page .tl-step-name { font: 600 .84rem/1.2 var(--tl-sans); }
body.tl-lesson-page .tl-single-card { padding: clamp(20px, 4vw, 36px); background: var(--tl-card); border: 1px solid var(--tl-line); border-radius: 20px; box-shadow: var(--tl-shadow); }
body.tl-lesson-page .tl-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--tl-line); margin-bottom: 20px; }
body.tl-lesson-page .tl-card-tag { display: block; font: 650 .7rem/1.4 var(--tl-mono); letter-spacing: .06em; color: var(--tl-gold); text-transform: uppercase; margin-bottom: 4px; }
body.tl-lesson-page .tl-card-h2 { font: italic 400 clamp(1.4rem, 3vw, 2.2rem)/1.15 var(--tl-serif); margin: 0; }
body.tl-lesson-page .tl-card-counter { padding: 6px 12px; border-radius: 999px; background: var(--tl-paper-2); color: var(--tl-gold); font: 700 .68rem/1 var(--tl-mono); white-space: nowrap; }
body.tl-lesson-page .tl-toggle-row { display: flex; justify-content: flex-end; margin-bottom: 20px; }
body.tl-lesson-page .tl-card-body { margin-bottom: 28px; }
body.tl-lesson-page .tl-term-focus { text-align: center; padding: 24px 16px; }
body.tl-lesson-page .tl-term-focus .tl-term-ruby { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.8; }
body.tl-lesson-page .tl-scenario-body { padding: 16px 0; }
body.tl-lesson-page .tl-scenario-prompt { font: 600 1.15rem/1.5 var(--tl-jp); margin: 16px 0; }
body.tl-lesson-page .tl-quiz-question .tl-question-stem { font: 600 clamp(1.3rem, 2.8vw, 1.85rem)/1.45 var(--tl-jp); margin: 0 0 16px; }
body.tl-lesson-page .tl-card-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--tl-line); }
body.tl-lesson-page .tl-source-drawer { max-width: 760px; margin: 32px auto 0; padding: 16px 20px; background: var(--tl-paper-2); border: 1px solid var(--tl-line); border-radius: 14px; }
body.tl-lesson-page .tl-source-drawer summary { cursor: pointer; font: 600 .85rem/1.4 var(--tl-sans); color: var(--tl-muted); }
body.tl-lesson-page .tl-source-drawer-body { margin-top: 12px; font-size: .84rem; color: var(--tl-muted); }
body.tl-lesson-page .tl-source-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
body.tl-lesson-page .tl-source-links a { color: var(--tl-gold); text-decoration: none; font: 600 .76rem/1.3 var(--tl-mono); }
body.tl-lesson-page .tl-source-links a:hover { text-decoration: underline; }
@media (max-width: 580px) {
  body.tl-lesson-page .tl-step-intro h1 { font-size: 2rem; }
  body.tl-lesson-page .tl-sector-tabs button { min-height: 56px; }
  body.tl-lesson-page .tl-step-nav { grid-template-columns: repeat(4, 1fr); gap: 4px; }
  body.tl-lesson-page .tl-step-btn { min-height: 54px; padding-inline: 2px; }
  body.tl-lesson-page .tl-step-name { font-size: .74rem; white-space: nowrap; }
  body.tl-lesson-page .tl-card-actions { flex-direction: column; }
  body.tl-lesson-page .tl-card-actions .tl-btn { width: 100%; }
}