@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Serif+JP:wght@500;600;700&display=swap');
:root{color-scheme:light;--paper:#f8f5ed;--surface:#fffdf8;--surface-soft:#f1eee5;--ink:#26354a;--muted:#626b73;--blue:#304b72;--blue-hover:#213956;--blue-soft:#eaf0f5;--vermilion:#a5473d;--sand:#edcf9e;--line:#dcd8ce;--control:#91989c;--green:#236347;--green-soft:#eaf4ec;--red:#a12e4c;--pink:#fff0f3;--focus:#9c481f;--radius-sm:8px;--radius:16px;--radius-lg:24px;--shadow:0 12px 40px #283b5010,0 1px 2px #283b5007;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--fast:140ms;--ease:cubic-bezier(.2,.8,.2,1);font-family:'Be Vietnam Pro',system-ui,sans-serif;font-size:16px;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;background-image:radial-gradient(#736c4710 .7px,transparent .7px);background-size:6px 6px}button,input,select{font:inherit}button,select,summary,input,a{touch-action:manipulation}button,summary,select{cursor:pointer}button{transition:background var(--fast),border-color var(--fast),box-shadow var(--fast);color:inherit}button:disabled{cursor:not-allowed;opacity:.48}button:active:not(:disabled){filter:brightness(.95)}a{color:var(--blue)}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}main:focus{outline:none}button,summary,input,select{scroll-margin-block:24px 100px}p{line-height:1.8}h1,h2,h3,h4{line-height:1.35;text-wrap:balance}h1,h2,h3,h4,p{margin-top:0}h1{font-size:40px;letter-spacing:-.04em}h2{font-size:24px;letter-spacing:-.03em}h3{font-size:19px}h4{font-size:16px}ruby{ruby-position:over}rt{font-size:.5em;font-weight:400}.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}.skip-link{position:fixed;left:16px;top:12px;z-index:100;background:var(--surface);padding:12px 20px;transform:translateY(-200%);border:2px solid var(--blue);border-radius:8px}.skip-link:focus{transform:none}.topbar{height:80px;max-width:1240px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-size:21px;font-weight:800}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:9px;background:var(--vermilion);color:#fffdf8;border:3px double #f9dbc3;transform:rotate(-4deg)}.brand-sub{display:block;font-family:'Noto Sans JP',sans-serif;font-size:10px;font-weight:500;letter-spacing:.12em;color:var(--muted);margin-top:3px}.demo-chip{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em}.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--vermilion);margin-bottom:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border:1px solid transparent;border-radius:var(--radius-sm);padding:12px 20px;font-weight:700;font-size:14px;line-height:1.5}.primary{background:var(--blue);color:#fff}.primary:hover:not(:disabled){background:var(--blue-hover);box-shadow:0 4px 12px #304b7220}.secondary{background:var(--surface);border-color:var(--control);color:var(--ink)}.secondary:hover:not(:disabled){background:var(--surface-soft)}.danger{color:var(--red)}
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.active-attempt .intro{margin-bottom:24px}.active-attempt .intro-number{display:none}.active-attempt .intro .eyebrow{font-size:10px;margin-bottom:8px}.active-attempt .notebook-title{gap:12px;margin:0}.active-attempt .notebook-seal{font-size:13px;padding:7px 4px;border-width:3px}.active-attempt .japanese-title{font-size:12px}.active-attempt h1{font-size:24px;margin-top:4px}.active-attempt .intro p:not(.eyebrow){font-size:13px;max-width:760px;margin-top:8px}.timer-control{display:grid;grid-template-columns:minmax(140px,1fr) auto auto;gap:20px 32px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px;box-shadow:0 2px 8px #26354a04}.status{font-size:14px;font-weight:700}.status:before{content:'';display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--blue)}.timer-control 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span{font-size:12px;font-weight:400;color:var(--muted);margin-left:8px}.session-settings-body{display:flex;align-items:center;gap:32px;padding:16px 0 0}.live-feedback-control{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600}.live-feedback-control small{font-weight:400}.live-feedback-control select{font-size:14px;min-width:230px}.setting-timer{align-self:center}.layout{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:24px;align-items:start}.exam-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-width:0}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 28px;border-bottom:1px solid var(--line);background:#f6f3ea}.section-chip{display:inline-block;font-size:12px;font-weight:700;padding:7px 10px;border-radius:6px;background:var(--blue-soft);color:var(--blue)}.section-name{font-size:14px;font-weight:600;margin-left:10px}.source-label{font-size:12px;color:var(--muted);white-space:nowrap}.instruction{font-family:'Noto Sans JP',sans-serif;font-size:14px;line-height:1.9;color:var(--muted);padding:16px 28px;border-bottom:1px solid var(--line)}.question{padding:28px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-bottom:20px}.question-num{font-weight:700;color:var(--ink)}.flag-button{min-height:44px;border:1px solid transparent;border-radius:8px;padding:8px 10px;font-size:12px;background:transparent;color:var(--muted)}.flag-button.active{color:#775016;background:#fff3db;border-color:#dbc28e}.stem{font-family:'Noto Sans JP',sans-serif;font-size:23px;font-weight:500;line-height:2.05;margin:0 0 28px;overflow-wrap:anywhere}.stem:focus-visible{outline-offset:6px;border-radius:4px}.stem u{text-underline-offset:6px;text-decoration-thickness:2px}.stem ruby{line-height:2.6}.options{display:grid;gap:12px}.option{display:flex;width:100%;align-items:center;gap:16px;padding:16px;min-height:68px;border:1px solid #b7bdc1;border-radius:10px;background:var(--surface);text-align:left;color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:18px;line-height:1.8}.option>span[lang=ja]{min-width:0;overflow-wrap:anywhere}.option:hover:not(:disabled){border-color:var(--blue);background:var(--blue-soft)}.option[aria-checked=true]{border:2px solid var(--blue);padding:15px;background:var(--blue-soft)}.option-index{height:32px;width:32px;display:grid;place-items:center;flex-shrink:0;border:1px solid #aeb5bb;border-radius:7px;color:var(--muted);font-family:'Be Vietnam Pro',sans-serif;font-size:14px;background:var(--surface)}.option[aria-checked=true] .option-index{background:var(--blue);color:white;border-color:var(--blue)}.option.correct{opacity:1;background:var(--green-soft);border:2px solid var(--green);padding:15px}.option.wrong{opacity:1;background:var(--pink);border:2px solid var(--red);padding:15px}.option.neutral{opacity:1;color:var(--muted);border-color:var(--line)}.option.correct .option-index{background:var(--green);color:white;border-color:var(--green)}.option.wrong .option-index{background:var(--red);color:white;border-color:var(--red)}.option-label{margin-left:auto;max-width:105px;flex-shrink:0;color:var(--green);font-family:'Be Vietnam Pro',sans-serif;font-size:12px;line-height:1.5}.option.wrong .option-label{color:var(--red)}.answer-feedback{padding:14px 16px;margin:20px 0 0;border-radius:10px;font-size:14px;font-weight:700;line-height:1.7}.answer-feedback 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span{color:var(--blue);font-variant-numeric:tabular-nums}.meter{height:6px;background:#e8e8e1;border-radius:20px;overflow:hidden;margin-bottom:24px}.meter>span{height:100%;display:block;background:var(--blue)}.nav-group{margin-bottom:16px}.nav-group-title{font-size:11px;font-weight:600;color:var(--muted);line-height:1.6;margin-bottom:8px}.question-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.jump{min-height:44px;min-width:0;border:1px solid #b7bdc1;border-radius:7px;background:var(--surface);color:var(--muted);font-size:12px;position:relative}.jump.answered{background:var(--blue-soft);color:var(--blue);border-color:#a1b4c6}.jump.current{border:2px solid 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.explanation{padding:28px;border-top:1px solid var(--line);background:#fbf8ef}.explanation>.eyebrow{font-size:11px;margin-bottom:8px}.explanation>h3{font-size:19px;margin-bottom:20px}.word-profile{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding:20px;background:#eaf0eb;border:1px solid #b9cec1;border-radius:12px;margin-bottom:12px}.word-profile-ja{font-family:'Noto Serif JP',serif;font-size:32px;font-weight:700;color:#304f3e}.reading{font-family:'Noto Sans JP',sans-serif;font-size:14px;color:var(--blue);overflow-wrap:anywhere}.word-profile .reading{font-size:17px;color:#3f6550}.han-viet{font-size:14px;font-weight:700;padding:8px 12px;background:var(--surface);color:#805e2b;border:1px solid #d4c49d;border-radius:6px;letter-spacing:.03em}.han-viet small{display:block;font-size:9px;letter-spacing:.1em;margin-bottom:4px;color:#805e2b}.han-viet-note{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:20px}.translation{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:16px}.correct-summary{font-size:15px;line-height:1.9;border-left:3px solid var(--green);padding:16px 20px;background:var(--green-soft);border-radius:0 10px 10px 0;color:#285c43;margin:16px 0 24px}.memory-card{display:grid;grid-template-columns:minmax(170px,.85fr) minmax(0,1.15fr);border:1px solid #d6c7b4;border-radius:var(--radius);background:#f5ecde;overflow:hidden;margin:24px 0}.memory-picture{position:relative;display:flex;align-items:center;justify-content:center;padding:20px;min-width:0;background:#ebe0cf}.memory-image.art{position:relative;width:100%;aspect-ratio:1;overflow:hidden;border-radius:10px;background:#fcf5e5}.memory-image img{position:absolute;width:400%;height:400%;max-width:none;display:block;object-fit:fill}.picture-sticker{position:absolute;bottom:22px;left:24px;max-width:85%;overflow-wrap:anywhere;font-family:'Noto Serif JP',serif;font-size:19px;font-weight:700;padding:6px 12px;background:#fffdf7ee;border:1px solid #d7c4a8;border-radius:4px;transform:rotate(-3deg);color:#6b4e2f;box-shadow:0 3px 8px #51351815}.picture-credit{position:absolute;top:5px;left:21px;font-size:9px;color:#665844}.memory-copy{padding:24px;min-width:0;align-self:center}.memory-kicker{font-size:10px;font-weight:700;letter-spacing:.1em;color:#994934}.memory-copy h4{font-size:21px;line-height:1.4;letter-spacing:-.03em;color:#473b2c;margin:12px 0}.memory-copy>p{font-size:14px;line-height:1.9;color:#665540;overflow-wrap:anywhere;margin:0}.recall-check{margin-top:20px;border:1px dashed #ad9271;border-radius:10px;background:#fffaf1}.recall-check summary{padding:14px;font-size:12px;line-height:1.75;color:#775c3a}.recall-check summary span{display:block;font-weight:700;color:#96482e;margin-bottom:4px}.recall-check>p{font-size:15px;line-height:1.9;padding:0 14px 14px;margin:0;font-weight:600;color:#405c40}.memory-image.image-failed{display:grid;place-items:center;padding:16px;font-size:13px;line-height:1.8;color:#775c3a}.deep-explanation,.memory-details{margin-top:16px;border:1px solid #c7c6bf;border-radius:12px;background:var(--surface);overflow:hidden}.deep-explanation>summary,.memory-details>summary{font-size:15px;font-weight:700;line-height:1.7;padding:18px 20px;color:var(--ink)}.deep-explanation>summary span,.memory-details>summary span{display:block;margin-left:17px;font-size:12px;font-weight:400;color:var(--muted)}.deep-explanation[open]>summary,.memory-details[open]>summary{border-bottom:1px solid var(--line);margin-bottom:16px}.detail-content{padding:0 16px 16px}.choice-note{margin-top:12px;padding:16px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}.choice-note.is-answer{background:var(--green-soft);border-color:#91b49e}.choice-note.is-other-answer{background:var(--pink);border-color:#d59aab}.choice-note summary{font-size:14px;font-weight:600;line-height:1.9}.choice-note p{font-size:14px;line-height:1.85;margin:12px 0 0}.answer-tag{display:inline-block;font-size:11px;line-height:1.8;padding:3px 9px;border-radius:24px;margin-left:4px;white-space:nowrap}.is-answer .answer-tag{background:#d8eade;color:var(--green)}.is-other-answer .answer-tag{background:#f7dce5;color:var(--red)}.option-han-viet{font-size:13px!important;color:#765438}.option-usage{border-top:1px dashed #cb96a5;padding-top:16px;margin-top:16px}.option-usage h4{font-size:12px;color:var(--red);margin-bottom:12px}.usage-headword{font-family:'Noto Sans JP',sans-serif;font-size:17px}.usage-collocations{background:#ffffff90;border:1px solid #e0b7c3;border-radius:8px;padding:0 14px;margin-top:12px}.learning-grid{display:grid;grid-template-columns:1fr;gap:16px;padding:0 16px 16px}.learning-box{background:#fffdf6;border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}.learning-box h4{font-size:12px;letter-spacing:.06em;color:#466c56;margin-bottom:16px;text-transform:uppercase}.learning-box p{font-size:14px;margin:10px 0 0}.learning-box.full-width{background:#edf2ee}.collocation{border-top:1px solid var(--line);padding:12px 0;font-size:14px;line-height:1.8}.collocation:first-of-type{border-top:0;padding-top:0}.collocation:last-child{padding-bottom:0}.collocation strong{display:block;font-family:'Noto Sans JP',sans-serif;font-size:17px;font-weight:600}.collocation small{display:block;font-size:13px;color:var(--muted)}.example{font-family:'Noto Sans JP',sans-serif;font-size:17px!important;line-height:1.95!important}.footnote{font-size:12px;line-height:1.9;color:var(--muted);margin-top:24px}.explanation-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.explanation-nav>span{font-size:12px;color:var(--muted)}.empty{padding:48px 24px;text-align:center;color:var(--muted)}.loading{padding:100px 24px;text-align:center;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--surface);color:var(--ink);width:calc(100% - 32px);max-width:480px;box-shadow:0 24px 80px #172e4a40}dialog::backdrop{background:#172b43a6}dialog h2{font-size:23px;margin-bottom:16px}dialog p{font-size:15px;line-height:1.9;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}
@media(max-width:1050px){.setup-screen{gap:28px;padding-top:32px}.setup-screen .intro h1{font-size:32px}.setup{padding:28px}.setup-assurance{font-size:10px}.layout{grid-template-columns:minmax(0,1fr) 248px;gap:20px}.side-card{padding:16px}.panel-top{align-items:flex-start}.section-name{display:block;margin:8px 0 0}.memory-card{grid-template-columns:1fr}.memory-picture{max-height:300px}.memory-image.art{max-width:248px}.picture-sticker{left:calc(50% - 115px)}.timer-control{gap:16px}.session-settings-body{gap:24px}.section-menu{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.setup-screen{grid-template-columns:1fr;max-width:660px;gap:28px}.setup-screen .intro{flex-direction:row;align-items:center;gap:12px}.setup-screen .intro h1{font-size:30px}.setup-screen .intro-number{max-width:170px;min-width:145px;justify-content:center;font-size:24px}.intro-number .japan-landscape{width:150px;height:100px}.intro-number>span:not(.japan-landscape){max-width:90px;font-size:10px}.setup{padding:28px}.setup-controls{gap:20px}.setup-assurance{font-size:12px}}
@media(max-width:768px){body:has(.active-attempt){padding-bottom:calc(88px + env(safe-area-inset-bottom))}.topbar{height:64px;padding:0 20px}.brand{font-size:19px;gap:10px}.brand-mark{width:38px;height:38px;font-size:17px}.brand-sub{font-size:9px}.demo-chip{font-size:10px}main{padding:24px 16px 32px}.setup-screen{padding-top:28px}.setup-screen .intro{display:block}.setup-screen .intro-number{display:none}.setup-screen .intro h1{font-size:32px;max-width:100%}.notebook-seal{font-size:18px}.japanese-title{font-size:16px}.setup{padding:24px;border-radius:20px}.setup h2{font-size:24px}.setup-screen .source-note{font-size:12px}.setup-outline{padding-top:24px}.section-menu{grid-template-columns:1fr;gap:16px}.section-menu>span{font-size:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}.section-menu small{font-size:12px}.setup-assurance{font-size:11px}.active-attempt .intro{margin-bottom:16px}.active-attempt .intro .eyebrow,.active-attempt .notebook-seal,.active-attempt .intro p:not(.eyebrow){display:none}.active-attempt .japanese-title{font-size:11px}.active-attempt .intro h1{font-size:21px}.timer-control{grid-template-columns:1fr auto;padding:16px;gap:16px;margin-bottom:16px}.timer-control>.timer-line{grid-column:2;grid-row:1}.attempt-actions{grid-column:1/-1;justify-content:space-between}.attempt-actions #restart{padding-left:0}.attempt-actions #submit{min-width:115px}.session-settings{padding-top:4px}.session-settings>summary{font-size:12px;line-height:1.7;min-height:44px;padding:8px 0}.session-settings>summary span{display:block;margin-left:17px;font-size:11px}.session-settings-body{flex-direction:column;align-items:stretch;gap:16px;padding-top:12px}.live-feedback-control select{min-width:0;width:100%;font-size:16px}.setting-timer{align-self:flex-start}.layout{display:block}.side{display:none}.mobile-nav{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:16px;padding:8px 16px}.mobile-nav summary{font-size:13px;font-weight:600;min-height:44px;line-height:44px}.mobile-nav .question-grid{gap:8px;grid-template-columns:repeat(5,minmax(0,1fr));padding:8px 0}.mobile-nav .jump{min-height:46px;font-size:14px}.mobile-dock{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fffdf8f5;backdrop-filter:blur(12px);border-top:1px solid #bbbdb5;padding:12px 16px calc(12px + env(safe-area-inset-bottom));box-shadow:0 -4px 20px #283b5009}.mobile-dock .button{font-size:13px;min-height:48px;padding:12px}.mobile-dock #openSheet{min-width:72px;font-size:12px;font-variant-numeric:tabular-nums}.exam-bottom,.explanation-nav{display:none}.exam-panel{border-radius:14px}.panel-top{padding:16px 20px}.section-name{font-size:13px}.source-label{font-size:11px}.instruction{padding:16px 20px;font-size:13px;line-height:1.9}.question{padding:20px}.question-meta{margin-bottom:20px;font-size:12px;gap:8px}.flag-button{font-size:11px;padding:8px 6px}.stem{font-size:21px;line-height:2.05;margin-bottom:24px}.option{padding:14px 12px;font-size:18px;gap:12px;min-height:66px;align-items:flex-start}.option[aria-checked=true],.option.correct,.option.wrong{padding:13px 11px}.option-index{width:28px;height:28px;font-size:13px;line-height:1;margin-top:2px}.option-label{max-width:63px;font-size:11px;margin-top:4px}.answer-feedback{font-size:14px}.results{grid-template-columns:1fr;gap:24px;padding:24px;border-radius:20px}.score{width:120px;font-size:40px;border-width:7px;flex-direction:row;gap:3px}.score span{font-size:17px;margin:0}.results h2{font-size:24px}.results p{font-size:13px}.result-metrics{gap:32px}.result-actions{display:grid;grid-template-columns:1fr}.result-actions .button{font-size:14px;width:100%}.review-bar{gap:8px;flex-wrap:wrap;margin-bottom:16px}.filter{font-size:12px;padding:10px 14px}.retry-context{font-size:13px;padding:16px}.restore-notice{padding:12px 16px;font-size:12px}.restore-actions{flex-wrap:wrap}.restore-actions .button{font-size:11px}.explanation{padding:24px 20px}.explanation>h3{font-size:18px}.word-profile{padding:16px;gap:12px}.word-profile-ja{font-size:28px}.word-profile .reading{font-size:15px}.han-viet{font-size:13px}.correct-summary{font-size:15px;padding:14px 16px;line-height:1.9}.translation{font-size:15px}.memory-card{grid-template-columns:1fr}.memory-picture{padding:20px 24px;max-height:none}.memory-image.art{max-width:320px}.picture-sticker{left:max(27px,calc(50% - 150px))}.memory-copy{padding:24px}.memory-copy h4{font-size:22px}.memory-copy>p{font-size:15px}.recall-check summary{font-size:13px;line-height:1.8}.deep-explanation>summary,.memory-details>summary{padding:16px;font-size:14px}.detail-content{padding:0 12px 12px}.choice-note{padding:14px}.choice-note summary{font-size:14px}.choice-note p{font-size:14px}.answer-tag{margin-top:4px}.learning-grid{padding:0 12px 12px;gap:12px}.learning-box{padding:16px}.collocation strong{font-size:17px}.footnote{font-size:12px}.dialog-actions{flex-direction:column-reverse}.dialog-actions .button{width:100%}footer{font-size:11px;padding-bottom:24px}}
@media(max-width:374px){.setup{padding:20px}.question,.explanation{padding:20px 16px}.panel-top,.instruction{padding-left:16px;padding-right:16px}.stem{font-size:20px}.option{font-size:17px;gap:8px}.option-label{max-width:56px}.memory-copy{padding:20px}.mobile-dock{padding-left:12px;padding-right:12px}.mobile-dock .button{font-size:12px;padding:10px}.demo-chip{font-size:9px}.notebook-title h1{font-size:29px!important}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep the statistic a semantic unit instead of anonymous flex text. */
.setup-screen .intro-number{flex-direction:column;align-items:flex-start;gap:8px;max-width:260px}.intro-count{display:inline-flex;align-items:baseline;gap:8px;white-space:nowrap;line-height:1.5;font-size:14px;color:var(--muted);padding:0 12px}.intro-count strong{font-size:18px;color:var(--blue);font-weight:700}.intro-count span{font-size:14px;font-weight:500}@media(max-width:900px) and (min-width:769px){.setup-screen .intro-number{align-items:center;max-width:170px}.intro-count{gap:6px;padding:0}.intro-count strong{font-size:16px}.intro-count span{font-size:12px}}
/* Catalog and exam overview share the same components across future exam sets. */
.library-link{margin-left:auto;margin-right:20px;min-height:44px;padding:10px 14px;border:1px solid var(--control);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font-size:12px;font-weight:600;white-space:nowrap}.catalog-screen,.overview-screen{max-width:1160px;padding-top:40px}.catalog-heading{margin-bottom:32px}.catalog-heading h1{margin:0 0 12px;font-size:36px}.catalog-heading p:last-child{color:var(--muted);font-size:15px;max-width:720px;line-height:1.8;margin:0}.catalog-heading h1:focus{outline:none}.practice-breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;grid-column:1/-1;margin-bottom:24px;font-size:12px;color:var(--muted)}.practice-breadcrumb button{min-height:44px;padding:8px 10px;border:0;border-radius:6px;background:transparent;color:var(--blue);font-size:12px;text-decoration:underline;text-underline-offset:3px}.practice-breadcrumb strong{font-size:12px;color:var(--ink)}.setup-screen>.practice-breadcrumb{margin:0}.exam-catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.exam-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}.exam-cover{height:172px;position:relative;display:flex;align-items:center;justify-content:center;background:var(--surface-soft);border-bottom:1px solid var(--line)}.exam-cover img{width:230px;height:158px;object-fit:contain}.exam-level{position:absolute;top:20px;left:20px;background:var(--vermilion);color:white;padding:7px 10px;border-radius:5px;font-weight:700;font-size:13px}.exam-card-content{padding:28px}.exam-kind{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--vermilion)}.exam-card h2{font-size:27px;margin:10px 0 12px}.exam-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px}.exam-stats{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;font-weight:600;color:var(--ink)}.exam-stats span{padding:8px 10px;background:var(--surface-soft);border-radius:6px}.exam-card .exam-ready-label{font-size:12px;color:var(--green);margin:18px 0}.exam-card .button{width:100%}.catalog-footnote{font-size:12px;color:var(--muted);line-height:1.8;margin-top:24px}.active-draft{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--blue-soft);border:1px solid var(--control);border-radius:12px;padding:16px 20px;margin-bottom:24px}.active-draft strong{font-size:14px}.active-draft p{font-size:12px;color:var(--muted);line-height:1.7;margin:6px 0 0}.active-draft .button{font-size:12px}.exam-duration-note{display:flex;flex-direction:column;gap:8px;padding:18px 20px;border-left:3px solid var(--blue);background:var(--blue-soft);margin-bottom:28px;border-radius:0 10px 10px 0}.exam-duration-note strong{font-size:14px}.exam-duration-note span{font-size:12px;line-height:1.8;color:var(--muted)}.section-catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.section-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}.section-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-order{font-size:14px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}.availability{padding:6px 10px;border-radius:20px;background:var(--surface-soft);color:var(--muted);font-size:11px;font-weight:600}.availability.ready{background:var(--green-soft);color:var(--green)}.section-ja{font-family:'Noto Serif JP',serif;font-size:20px;color:var(--vermilion);letter-spacing:.04em}.section-card h2{font-size:24px;margin:10px 0 12px}.section-card>p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}.section-source{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:20px}.section-card-bottom{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}.section-card-bottom small{display:block;font-size:12px;color:var(--green);margin-bottom:12px;line-height:1.7}.section-card-bottom .button{width:100%}.availability-note{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.section-unavailable{background:var(--surface-soft);border-style:dashed}.section-ready{border-top:4px solid var(--blue);box-shadow:var(--shadow)}
@media(max-width:768px){.topbar{display:grid;grid-template-columns:1fr auto;height:auto!important;min-height:116px;padding:12px 16px;gap:8px}.topbar .brand{grid-column:1;grid-row:1}.library-link{grid-column:2;grid-row:1;margin:0;padding:8px 12px}.theme-control{grid-column:1/-1;width:100%;justify-content:flex-end}.theme-options{width:100%}.theme-options button{flex:1;justify-content:center}.catalog-screen,.overview-screen{padding-top:28px}.catalog-heading h1{font-size:29px}.catalog-heading p:last-child{font-size:14px}.exam-catalog,.section-catalog{grid-template-columns:1fr;gap:20px}.exam-cover{height:150px}.exam-cover img{height:138px;width:205px}.exam-card-content{padding:24px}.exam-card h2{font-size:25px}.section-card{padding:22px}.section-card h2{font-size:23px}.active-draft{padding:16px}.active-draft .button{width:100%}.practice-breadcrumb{gap:4px;margin-bottom:16px}.practice-breadcrumb button{padding:8px}.exam-duration-note{padding:16px}.exam-duration-note strong{font-size:13px}.catalog-heading{margin-bottom:24px}}

/* Shared source passages and complete written booklet */
.combined-card{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.75rem;border:1px solid var(--line);border-left:5px solid var(--vermilion);background:var(--surface);border-radius:var(--radius,16px);margin:1.5rem 0 2rem}.combined-card h2{margin:.2rem 0 .6rem}.combined-card p{margin:.6rem 0;line-height:1.65}.combined-card small{display:block;color:var(--muted);font-size:.875rem;max-width:65ch}.combined-stats{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem}.combined-card>.button{flex-shrink:0;min-height:48px}.practice-section-title{font-size:1.3rem;margin:0 0 1rem}.passage-panel{border:1px solid var(--line);background:var(--paper,#fffdf8);border-radius:12px;padding:1.25rem;margin:.5rem 0 1.5rem}.passage-heading{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;border-bottom:1px solid var(--line);padding-bottom:.75rem;margin-bottom:1rem}.passage-heading span,.passage-help{font-size:.875rem;color:var(--muted)}.passage-text,.passage-notes{white-space:pre-wrap;line-height:2.1;font-family:'Noto Sans JP',sans-serif;overflow-wrap:anywhere;font-size:1.0625rem}.passage-notes{margin-top:1rem;font-size:.9375rem}.passage-help{margin:1rem 0 0;line-height:1.6}.passage-table-wrap{overflow:auto;max-width:100%;margin-top:1rem}.passage-table-wrap table{border-collapse:collapse;min-width:650px;width:100%;font-family:'Noto Sans JP',sans-serif;font-size:.9375rem}.passage-table-wrap caption{text-align:left;font-weight:700;margin-bottom:.5rem}.passage-table-wrap th,.passage-table-wrap td{border:1px solid var(--line);padding:.6rem;white-space:pre-line;text-align:left}.passage-table-wrap th{background:var(--surface-soft)}.passage-evidence{border-left:3px solid var(--vermilion);padding:.8rem 1rem;background:var(--surface-soft);margin:1rem 0}.passage-evidence p{white-space:pre-line;line-height:1.9;margin:.5rem 0 0}.exam-panel[data-format="text"] .options{grid-template-columns:1fr!important}.stem{white-space:pre-wrap}.duration input[readonly]{background:var(--surface-soft)}
@media(max-width:768px){.combined-card{display:block;padding:1.2rem}.combined-card>.button{width:100%;margin-top:1.25rem}.passage-panel{padding:1rem .85rem}.passage-text{font-size:1rem;line-height:2}.passage-heading strong{max-width:100%;overflow-wrap:anywhere}}
.passage-attribution{text-align:right;font-size:.875rem;line-height:1.7;margin-top:.8rem}.section-results{display:flex;flex-wrap:wrap;gap:.65rem 1.25rem;margin:1rem 0;font-size:.9375rem}.passage-text u{text-underline-offset:.22em;text-decoration-thickness:1px}
/* Listening: native media persists outside question redraws; controls stay touch accessible. */
.listening-player,.audio-download{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:20px 0}.audio-heading,.audio-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.audio-heading{justify-content:space-between}.audio-heading span{font-variant-numeric:tabular-nums;color:var(--muted)}.audio-actions label{display:flex;align-items:center;gap:10px}.audio-actions select,.audio-loop input[type=number]{min-height:44px;max-width:120px;border:1px solid var(--control);border-radius:8px;background:var(--surface);color:var(--ink);padding:8px}.audio-seek{display:flex;align-items:center;gap:16px;margin:20px 0}.audio-seek input{flex:1;min-width:0;min-height:44px;accent-color:var(--blue)}.audio-loop summary{min-height:44px;cursor:pointer;padding:10px 0}.audio-loop>div{display:flex;gap:16px;flex-wrap:wrap}.audio-loop label{display:flex;align-items:center;gap:8px}.audio-loop input[type=checkbox]{width:22px;height:22px}.listening-script{margin:20px 0;border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--surface)}.listening-script summary{font-weight:700;min-height:44px;cursor:pointer}.listening-script img,.listening-figure img{display:block;width:100%;height:auto;margin:16px auto;max-width:760px}.listening-figure{margin:0 0 20px}.script-source,.audio-question-label,.audio-download p,[data-audio-status]{font-size:13px;line-height:1.7;color:var(--muted)}.audio-download{display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap}.audio-download .button[hidden]{display:none}.audio-download p{margin:8px 0}.audio-loop [role=status]{font-size:13px;color:var(--muted)}
@media(max-width:600px){.listening-player,.audio-download{padding:18px}.audio-actions{gap:10px}.audio-actions .button{flex:1;min-height:44px}.audio-heading strong{width:100%}.audio-download .audio-actions{width:100%}.audio-seek{display:block}.audio-seek input{width:100%;display:block}.audio-loop>div{gap:12px}.listening-script{padding:12px}.audio-question-label{overflow-wrap:anywhere}}

/* Full reading translations are revealed with the explanation. */
.full-passage-translation{max-width:100%;min-width:0}.full-passage-translation .detail-content{padding:0 20px 20px;line-height:1.9;overflow-wrap:anywhere}.reading-translation-text{white-space:pre-line;font-size:15px}.full-passage-translation td,.full-passage-translation th{white-space:pre-line}.translated-passage-notes{margin-top:20px}.translated-passage-notes li{margin:6px 0}.translation-source-note{border-top:1px solid var(--line);padding-top:16px;color:var(--muted)}
.full-passage-translation .translation-table-compact table{min-width:0;table-layout:fixed}.translation-table-compact th:first-child{width:32%}.full-passage-translation table{font-family:inherit}