@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+JP:wght@500;600;700&display=swap');
:root{font-family:'DM Sans','Noto Sans SC',sans-serif;color:#26332b;background:#f7f5ef;font-synthesis:none;text-rendering:optimizeLegibility;--green:#345e49;--green-dark:#264a37;--line:#e8e5dc;--muted:#8c938a}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 80% 8%,rgba(226,221,198,.32),transparent 28%),#f7f5ef}
.page-shell{max-width:1040px;margin:0 auto;padding:0 38px}
.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(38,51,43,.09)}
.brand{display:flex;align-items:center;gap:11px;color:#293b2f;text-decoration:none;font-weight:700;font-size:16px;letter-spacing:.02em}
.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#dfe8dd;color:var(--green);font-family:'Noto Serif JP',serif;font-size:18px}
.top-note{color:#82877f;font-size:12px;display:flex;align-items:center;gap:8px}.status-dot{width:7px;height:7px;border-radius:50%;background:#83a47b;box-shadow:0 0 0 4px #e4ecdf}
.intro{padding:57px 0 32px}.eyebrow,.step-label{font-size:10px;font-weight:700;letter-spacing:.15em;color:#9b9e91}
.intro h1{margin:13px 0 12px;font-family:'Noto Serif JP','Noto Sans SC',serif;font-size:42px;line-height:1.3;letter-spacing:.04em;font-weight:600;color:#283a2e}.intro h1 span{color:#799273}.intro-copy{margin:0;color:#878b83;font-size:14px}
.panel{background:#fffefa;border:1px solid rgba(63,74,56,.08);border-radius:18px;box-shadow:0 15px 42px rgba(55,60,43,.045);padding:30px 34px}
.panel-heading,.count-heading{display:flex;align-items:center;justify-content:space-between}.panel-heading h2,.count-heading h2{font-size:17px;margin:7px 0 0;font-weight:600;letter-spacing:.01em}.sparkle{font-size:22px;color:#d7a27b}
.kana-grid{display:flex;flex-direction:column;gap:10px;margin-top:21px}.kana-row{display:grid;grid-template-columns:66px repeat(3,minmax(0,1fr));align-items:center;gap:10px}.kana-row-label{font-size:11px;color:#899084;letter-spacing:.04em}
.choice-card{height:70px;border:1px solid #ecebe4;border-radius:11px;display:flex;align-items:center;padding:0 15px;gap:12px;position:relative;cursor:pointer;transition:.18s ease;background:#fff}.choice-card:hover{border-color:#b6c7b3;transform:translateY(-1px)}.choice-card.selected{background:#f4f7f1;border-color:#9fb49b;box-shadow:inset 0 0 0 1px rgba(112,147,108,.12)}.choice-card input{position:absolute;opacity:0;inset:0;cursor:pointer}
.choice-symbol{width:39px;height:39px;border-radius:10px;background:#f6f4ed;display:grid;place-items:center;color:#385c46;font-family:'Noto Serif JP',serif;font-size:21px}.choice-name{font-size:13px;color:#515a50}.choice-check{margin-left:auto;width:17px;height:17px;border:1px solid #dddcd3;border-radius:50%;font-size:10px;color:transparent;display:grid;place-items:center}.choice-card.selected .choice-check{background:var(--green);border-color:var(--green);color:white}
.divider{height:1px;background:var(--line);margin:27px 0 24px}.available{font-size:11px;color:#94988e}.count-options{display:flex;gap:10px;margin-top:17px}.count-choice{height:50px;min-width:108px;border:1px solid #e8e7df;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#586055;position:relative;background:white;transition:.18s}.count-choice input[type=radio]{position:absolute;opacity:0;inset:0;cursor:pointer}.count-choice:has(input:checked){border-color:#9fb49b;color:#355942;background:#f5f8f2;box-shadow:inset 0 0 0 1px rgba(112,147,108,.12)}.count-choice span{font-size:13px;pointer-events:none}.count-choice small{font-size:11px;color:#8e958b}.custom-choice{gap:9px;padding:0 12px;min-width:143px}.custom-choice input[type=number]{position:relative;z-index:1;width:44px;border:0;border-bottom:1px solid #d9ddd3;background:transparent;text-align:center;font:inherit;font-size:13px;color:#304e39;padding:4px 0;outline:none}
.form-footer{display:flex;align-items:center;justify-content:space-between;margin-top:25px}.form-footer p{font-size:11px;color:#a0a196;margin:0}.primary-button{border:0;border-radius:9px;background:var(--green);color:white;font:inherit;font-size:13px;font-weight:600;padding:13px 19px;cursor:pointer;transition:.2s;box-shadow:0 5px 12px rgba(52,94,73,.13)}.primary-button span{margin-left:10px;font-size:15px}.primary-button:hover{background:var(--green-dark);transform:translateY(-1px)}.primary-button:disabled{opacity:.65;cursor:default;transform:none}
footer{display:flex;justify-content:space-between;color:#a2a298;font-size:10px;padding:24px 3px 30px;letter-spacing:.03em}
.quiz-panel{padding:24px 34px 20px}.quiz-top{display:flex;justify-content:space-between;align-items:center}.text-button{border:0;background:transparent;color:#868d82;font:inherit;font-size:12px;cursor:pointer;padding:7px 0}.text-button:hover{color:var(--green)}.progress-track{height:4px;background:#eeeee8;border-radius:10px;margin-top:17px;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:#85a07e;border-radius:10px;transition:width .3s}
.quiz-content{text-align:center;padding:45px 0 37px}.kana-prompt{font-family:'Noto Serif JP',serif;font-size:92px;line-height:1;margin:20px 0 12px;font-weight:500;color:#304c39}.quiz-category{margin:0;color:#a1a298;font-size:11px}.quiz-content form{max-width:405px;margin:32px auto 0;text-align:left}.answer-label{display:block;font-size:11px;color:#858c82;margin-bottom:8px}.answer-row{display:flex;gap:9px}.answer-row input{flex:1;min-width:0;border:1px solid #e4e5dc;border-radius:9px;padding:0 14px;font:inherit;font-size:14px;outline:none}.answer-row input:focus{border-color:#9bb097;box-shadow:0 0 0 3px #eff4ec}.answer-row .primary-button{min-width:106px}
.answer-feedback{min-height:42px;margin:11px 0 0;padding:8px 12px;border:1px solid transparent;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#6c8c62}.answer-feedback.correct{background:#eaf4e7;border-color:#b9d4b2;color:#2e6940;box-shadow:0 3px 10px rgba(62,111,69,.1)}.answer-feedback.correct::before{content:'✓';display:grid;place-items:center;width:20px;height:20px;margin-right:8px;border-radius:50%;background:#468354;color:#fff;font-size:12px}.answer-feedback.wrong{background:#fcf0eb;border-color:#efc9b8;color:#a95e43}
.quiz-footer{border-top:1px solid var(--line);padding-top:17px;display:flex;align-items:center;gap:20px;color:#a0a197;font-size:11px}.quiz-footer strong{color:#4b5b4b;font-weight:600;margin-left:4px}.quiz-footer .text-button{margin-left:auto}
.result-panel{text-align:center;padding:42px 34px}.result-mark{font-size:27px;color:#d9a27b;margin-bottom:11px}.result-panel h2{font-family:'Noto Serif JP','Noto Sans SC',serif;font-size:27px;margin:9px 0;color:#2e4435}.result-score{font-size:14px;color:#62715f;margin:0}.result-copy{font-size:12px;color:#9a9d93;margin:9px 0 23px}.result-panel>.primary-button{margin-top:22px}.mistakes{max-width:440px;margin:22px auto 0;text-align:left;border-top:1px solid var(--line);padding-top:17px}.mistakes h3{font-size:12px;font-weight:600;margin:0 0 12px;color:#66715f}.mistake-item{display:flex;justify-content:space-between;font-size:12px;padding:8px 0;color:#72786e;border-bottom:1px solid #f0efe9}.mistake-item b{font-family:'Noto Serif JP',serif;font-size:16px;color:#405944;margin-right:8px}[hidden]{display:none!important}
@media(max-width:680px){.page-shell{padding:0 19px}.topbar{height:68px}.top-note{font-size:10px}.intro{padding:42px 0 25px}.intro h1{font-size:34px}.intro-copy{font-size:12px}.panel{padding:24px 19px;border-radius:15px}.kana-grid{gap:8px}.kana-row{grid-template-columns:52px repeat(3,minmax(0,1fr));gap:6px}.kana-row-label{font-size:10px}.choice-card{height:63px;padding:0 7px;gap:5px}.choice-symbol{width:30px;height:32px;font-size:17px}.choice-name{font-size:10px}.choice-check{position:absolute;right:5px;top:5px;width:14px;height:14px;font-size:9px}.count-options{display:grid;grid-template-columns:repeat(2,1fr)}.count-choice{min-width:0}.custom-choice{min-width:0}.form-footer{align-items:flex-end;gap:12px}.form-footer p{max-width:155px;line-height:1.6}.primary-button{padding:12px 14px;font-size:12px}.quiz-panel{padding:20px 19px}.quiz-content{padding:40px 0 31px}.kana-prompt{font-size:80px}.quiz-footer{gap:13px}.result-panel{padding:36px 20px}footer{padding-top:20px}}
.mode-panel{margin-bottom:16px;padding:24px 26px;background:#fffefa;border:1px solid rgba(63,74,56,.08);border-radius:18px;box-shadow:0 15px 42px rgba(55,60,43,.045)}
.back-chart{display:inline-block;margin-bottom:15px;color:#7c8877;text-decoration:none;font-size:11px}.back-chart:hover{color:var(--green)}
.small-action-button{border:1px solid #cbd9c7;border-radius:8px;background:#edf3e9;color:#345e49;font:inherit;font-size:11px;font-weight:600;padding:8px 11px;cursor:pointer;transition:.15s}.small-action-button:hover{background:#e1ebdc;border-color:#a9c09f}
.word-mode-note{margin:17px 0 0;padding:13px 15px;border-radius:10px;background:#f4f7f1;color:#677765;font-size:12px}
.word-filter{display:flex;align-items:center;gap:12px;margin-top:14px;color:#677765;font-size:12px}.word-filter select{max-width:100%;border:1px solid #e4e5dc;border-radius:8px;background:#fff;padding:9px 12px;color:#405944;font:inherit;outline:none}.word-filter select:focus{border-color:#9bb097;box-shadow:0 0 0 3px #eff4ec}
.word-script-choice{display:flex;align-items:center;gap:8px;border:0;padding:0;margin:16px 0 0;color:#677765;font:inherit}.word-script-choice legend{float:left;margin-right:8px;font-size:12px}.word-script-choice label{cursor:pointer}.word-script-choice input{position:absolute;opacity:0;pointer-events:none}.word-script-choice label span{display:block;padding:8px 14px;border:1px solid #e4e5dc;border-radius:8px;background:#fff;color:#687467;font-size:12px}.word-script-choice input:checked+span{border-color:#9fb49b;background:#f4f7f1;color:#355942;box-shadow:inset 0 0 0 1px rgba(112,147,108,.12)}.word-script-choice input:focus-visible+span{outline:2px solid #7b9b76;outline-offset:2px}
.kana-row-toggle{display:inline-flex;align-items:center;margin-top:18px;color:#49624b;font-size:13px;font-weight:600;cursor:pointer}.kana-row-toggle input{position:absolute;width:1px;height:1px;opacity:0}.kana-row-toggle span{position:relative;display:inline-flex;align-items:center;min-height:28px;padding-right:58px}.kana-row-toggle span::before{position:absolute;right:0;width:46px;height:26px;border-radius:999px;background:#d9dbd2;content:"";transition:background .18s}.kana-row-toggle span::after{position:absolute;top:4px;right:23px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0002;content:"";transition:transform .18s}.kana-row-toggle input:checked+span::before{background:#789571}.kana-row-toggle input:checked+span::after{transform:translateX(20px)}.kana-row-toggle input:focus-visible+span::before{outline:2px solid #53774d;outline-offset:3px}
.kana-row-chart-panel{margin-top:12px;padding:16px;border:1px solid #e7e8df;border-radius:12px;background:#fafaf6}.kana-row-chart-panel>p{margin:0 0 14px;color:#858d80;font-size:11px}.kana-row-chart-script+ .kana-row-chart-script{margin-top:18px;padding-top:16px;border-top:1px solid #e5e6dc}.kana-row-chart-script>h3{margin:0 0 10px;color:#38533c;font-size:14px}.kana-row-chart-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.kana-row-chart-group{min-width:0;padding:11px;border:1px solid #e9e9e1;border-radius:10px;background:#fff}.kana-row-chart-group>h4{margin:0 0 8px;color:#73806e;font-size:11px;font-weight:600}.kana-row-chart-item{display:flex;align-items:center;gap:8px;margin-top:6px;padding:7px;border-radius:7px;background:#f8f8f3;cursor:pointer}.kana-row-chart-item input{flex:none;width:15px;height:15px;accent-color:#668262}.row-chart-copy{display:grid;min-width:0}.row-chart-copy b{color:#7d8876;font-size:10px;font-weight:500}.row-chart-kana{overflow:hidden;color:#385c46;font-family:'Noto Serif JP',serif;font-size:17px;letter-spacing:.03em;white-space:nowrap}.row-chart-copy small{color:#9a9c92;font-size:9px;letter-spacing:.02em}
.typing-options{max-width:405px;margin:32px auto 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.typing-option{min-height:62px;border:1px solid #e4e5dc;border-radius:10px;background:#fff;color:#385c46;font-family:'Noto Serif JP',serif;font-size:26px;cursor:pointer;transition:.15s}.typing-option:hover:not(:disabled){border-color:#9fb49b;background:#f4f7f1;transform:translateY(-1px)}.typing-option:focus-visible{outline:2px solid #7b9b76;outline-offset:2px}.typing-option.wrong-choice{border-color:#dda5a0;background:#fff0ef;color:#a24a43}.typing-option.correct-choice{border-color:#9fb49b;background:#edf5e9;color:#315a3d}
.answer-feedback.retry-correct{background:#fff7e8;border-color:#eed49e;color:#8c6a25}.retry-note{display:block;margin-top:3px;color:#9a8260;font-size:10px;text-align:right}
.prompt-with-audio{display:flex;align-items:center;justify-content:center;gap:14px}.word-speak-button{flex:none;border:1px solid #dce5d7;border-radius:9px;background:#f4f7f1;color:#45654c;padding:9px 12px;font:inherit;font-size:12px;cursor:pointer}.word-speak-button:hover{background:#e8f0e4;border-color:#b7c9b1}.word-audio-status{min-height:16px;margin:0;color:#8b9484;font-size:11px}
.dictionary-panel{margin-top:16px}.dictionary-form{max-width:650px;margin:22px 0 0}.dictionary-status{margin:14px 0;color:#858d80;font-size:12px}.dictionary-results{display:grid;gap:10px}.dictionary-result{padding:15px 17px;border:1px solid #ecebe4;border-radius:11px;background:#fffefa}.dictionary-result-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.dictionary-result-head h3{margin:0;color:#34533d;font-family:'Noto Serif JP','Noto Sans SC',serif;font-size:20px;font-weight:500}.dictionary-result-head span{flex:none;color:#92978d;font-size:11px}.dictionary-reading{margin:5px 0 0;color:#7a8974;font-size:12px}.dictionary-reading span{color:#a0a397}.dictionary-meaning{margin:9px 0 0;color:#5e6659;font-size:13px;line-height:1.7}
.mode-heading h2{font-size:17px;margin:7px 0 0;font-weight:600}.mode-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}
.mode-card{min-width:0;min-height:74px;display:flex;align-items:center;gap:11px;padding:12px;border:1px solid #ebe9e1;border-radius:12px;background:#fff;text-align:left;color:#515a50;cursor:pointer;font:inherit;transition:.18s}.mode-card:hover{border-color:#b6c7b3;transform:translateY(-1px)}.mode-card.active{background:#f4f7f1;border-color:#9fb49b;box-shadow:inset 0 0 0 1px rgba(112,147,108,.12)}.mode-icon{flex:0 0 36px;width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#eaf0e6;color:#385c46;font-family:'Noto Serif JP',serif;font-size:19px}.mode-card strong,.mode-card small{display:block}.mode-card strong{font-size:12px;font-weight:600}.mode-card small{margin-top:4px;color:#91968c;font-size:10px;white-space:nowrap}.mode-arrow{margin-left:auto;color:#8ba084}.chart-panel{margin-bottom:16px}.chart-note{font-size:10px;color:#9a9c92}.kana-chart{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:19px}.chart-group h3{font-size:12px;font-weight:600;color:#65715f;margin:0 0 9px}.chart-scroll{overflow-x:auto}.chart-table{width:100%;min-width:320px;border-collapse:separate;border-spacing:3px;table-layout:fixed}.chart-table th{height:28px;font-size:10px;font-weight:500;color:#979a90}.chart-table tbody th{width:42px;text-align:left;padding-left:4px;white-space:nowrap}.chart-table td{text-align:center;background:#f8f7f2;border-radius:6px;height:29px}.chart-kana{width:100%;height:29px;border:0;border-radius:6px;background:transparent;color:#385c46;font-family:'Noto Serif JP',serif;font-size:14px;cursor:pointer}.chart-kana:hover,.chart-kana:focus-visible{outline:none;background:#e7eee2;color:#234731}.chart-empty{color:#d5d5cb;font-size:11px}.quiz-actions{display:flex;align-items:center;gap:15px}.quiz-actions .text-button{font-size:11px}.word-meaning{display:grid;gap:10px;margin:14px 0 0;text-align:left;line-height:1.55}.word-meaning-chinese{color:#778174;font-size:13px}.word-meaning-english{display:grid;gap:2px;color:#294f38;font-size:20px;font-weight:650;line-height:1.4;overflow-wrap:anywhere}.word-english-label{color:#879581;font-size:11px;font-weight:600;letter-spacing:.06em}.english-gloss-list{display:flex;flex-wrap:wrap;gap:7px}.english-gloss-button{border:1px solid #dce8d8;border-radius:6px;padding:3px 7px;background:#f1f6ee;color:#294f38;font:inherit;text-align:left;cursor:pointer}.english-gloss-button:hover,.english-gloss-button:focus-visible{outline:none;border-color:#9fb99c;background:#e5efdf}.result-actions{display:flex;flex-direction:column;align-items:center;gap:9px;margin-top:22px}.result-panel>.result-actions>.primary-button{margin-top:0}
@media(max-width:680px){.mode-panel{padding:21px 16px;border-radius:15px}.mode-options{grid-template-columns:1fr;gap:7px;margin-top:14px}.mode-card{min-height:60px;padding:9px}.mode-icon{width:32px;height:32px;flex-basis:32px;font-size:17px}.mode-card small{font-size:10px}.kana-chart{grid-template-columns:1fr;gap:15px}.chart-table{min-width:0}.chart-table tbody th{width:38px}.chart-table td,.chart-kana{height:28px}.quiz-top{align-items:flex-start;gap:8px}.quiz-actions{gap:9px;flex-wrap:wrap;justify-content:flex-end}.quiz-actions .text-button{font-size:10px}.word-meaning-chinese{font-size:12px}.word-meaning-english{font-size:18px}}
.choice-symbol{min-width:44px;white-space:nowrap;flex-shrink:0}
@media(max-width:680px){.choice-symbol{width:38px;min-width:38px;flex-basis:38px;font-size:16px}}
@media(max-width:680px){.kana-row-chart-panel{padding:12px}.kana-row-chart-groups{grid-template-columns:1fr;gap:9px}.kana-row-chart-group{padding:10px}.kana-row-chart-item{margin-top:5px}.row-chart-kana{font-size:18px}}
.word-filter-mode{display:flex;align-items:center;gap:8px;margin:16px 0 0;padding:0;border:0;color:#677765;font-size:12px}.word-filter-mode legend{float:left;margin-right:5px}.word-filter-mode label{position:relative;cursor:pointer}.word-filter-mode input{position:absolute;opacity:0}.word-filter-mode label span{display:block;padding:8px 13px;border:1px solid #e4e5dc;border-radius:8px;background:#fff;color:#687467}.word-filter-mode input:checked+span{border-color:#9fb49b;background:#f4f7f1;color:#355942}.word-filter-mode input:focus-visible+span{outline:2px solid #7b9b76;outline-offset:2px}.word-topic-panel{margin-top:13px;padding:14px;border:1px solid #e7e8df;border-radius:11px;background:#fafaf6}.word-topic-panel>p{margin:0 0 10px;color:#858d80;font-size:11px}.word-topic-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.word-topic-options label{display:flex;align-items:center;gap:7px;min-width:0;padding:9px 10px;border:1px solid #e6e7de;border-radius:8px;background:#fff;color:#52664f;font-size:12px;cursor:pointer}.word-topic-options label.selected{border-color:#9fb49b;background:#f1f6ee;color:#355942}.word-topic-options input{flex:none;width:15px;height:15px;accent-color:#668262}.word-topic-options small{margin-left:auto;color:#8b9484;font-size:10px;white-space:nowrap}
#wordFilterMode[hidden],#wordTopicPanel[hidden]{display:none}
@media(max-width:680px){.word-filter-mode{flex-wrap:wrap}.word-filter-mode legend{width:100%;margin-bottom:2px}.word-topic-options{grid-template-columns:repeat(2,minmax(0,1fr))}.word-topic-options label{padding:9px 8px}}