@font-face{font-family:"Klee One";src:url("KleeOne-Regular.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap}
:root{--ink:#17342c;--muted:#66736e;--paper:#f5f1e8;--card:#fffdf8;--line:#ddd6c8;--accent:#b65f39;--green:#285b49;--good:#24734f;--bad:#b0443a;--shadow:0 16px 45px rgba(31,53,44,.10);--ui-scale:1;font-size:16px;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",system-ui,sans-serif;color:var(--ink);background:var(--paper)}
:root[data-text-size="small"]{--ui-scale:.86;font-size:14px}:root[data-text-size="large"]{--ui-scale:1.18;font-size:19px}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 4%,#ead5b8 0,transparent 25rem),var(--paper)}html.handwriting-gesture-guard,html.handwriting-gesture-guard body{overscroll-behavior-y:none}button,input{font:inherit}button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,700px);min-height:100vh;margin:auto;padding:env(safe-area-inset-top) 18px calc(28px + env(safe-area-inset-bottom))}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:24px 2px 14px}.brand{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:1.34rem;font-weight:800;letter-spacing:.14em}.tag{font-size:.72rem;color:var(--muted);letter-spacing:.08em}.hero,.level-hero{padding:30px 24px 26px;border-radius:26px;background:var(--ink);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after,.level-hero:after{content:"漢";position:absolute;right:-9px;top:-44px;font:900 10rem serif;color:rgba(255,255,255,.05)}.eyebrow{color:#e6b57d;font-size:.72rem;letter-spacing:.18em;font-weight:800}.hero h1,.level-hero h1{font:700 2rem/1.35 "Yu Mincho",serif;margin:10px 0 8px}.hero p,.level-hero p{margin:0;color:#d8e0dc;line-height:1.7;font-size:.9rem}.section-title{display:flex;justify-content:space-between;align-items:end;margin:26px 4px 12px}.section-title h2{font-size:.95rem;margin:0;letter-spacing:.08em}.section-title span{font-size:.74rem;color:var(--muted)}
.menu{display:grid;gap:12px}.menu-card{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:20px;text-align:left;color:var(--ink);box-shadow:0 5px 18px rgba(35,49,43,.04);cursor:pointer;display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center}.menu-card:active{transform:scale(.985)}.menu-icon{width:48px;height:48px;border-radius:15px;background:#e1ebe5;display:grid;place-items:center;font-weight:900}.menu-card:nth-child(2) .menu-icon{background:#f2e1d5;color:var(--accent)}.menu-card:nth-child(3) .menu-icon{background:#e7e1cf}.menu-card strong{display:block;font-size:1rem;margin-bottom:5px}.menu-card small{color:var(--muted);line-height:1.45}.arrow{font-size:1.4rem;color:#9da6a1}.privacy{margin:22px 4px 0;color:var(--muted);font-size:.75rem;text-align:center}
.level-grid{display:grid;gap:10px}.level-card{width:100%;border:1px solid var(--line);background:var(--card);border-radius:18px;padding:15px;text-align:left;color:var(--ink);display:grid;grid-template-columns:46px 1fr auto;gap:13px;align-items:center;box-shadow:0 5px 18px rgba(35,49,43,.04)}.level-card:active{transform:scale(.985)}.level-mark{width:46px;height:46px;border-radius:14px;background:#e1ebe5;display:grid;place-items:center;font:800 1.05rem serif}.level-card:nth-child(2) .level-mark{background:#e7e1cf}.level-card:nth-child(3) .level-mark{background:#f2e1d5;color:var(--accent)}.level-card:nth-child(4) .level-mark{background:#dfe7ed;color:#36586c}.level-card:nth-child(5) .level-mark,.level-card:nth-child(6) .level-mark,.level-card:nth-child(7) .level-mark{background:var(--ink);color:#fff}.level-card strong{display:block;font-size:.96rem}.level-card small{display:block;color:var(--muted);font-size:.72rem;margin-top:3px}.level-card em{display:block;color:var(--accent);font-size:.66rem;font-style:normal;margin-top:6px}.data-note{text-align:center;color:var(--muted);font-size:.64rem;line-height:1.5;margin:18px 8px 0}
.level-card.mastery-complete{border-color:#d9ad43;background:linear-gradient(135deg,rgba(255,248,218,.96),rgba(255,255,255,.98)),repeating-linear-gradient(45deg,transparent 0 12px,rgba(218,173,67,.08) 12px 14px);box-shadow:0 6px 18px rgba(181,132,28,.16)}.level-card.mastery-complete .level-mark{background:linear-gradient(135deg,#f4d572,#dca839);color:#65410b;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}.level-card.mastery-complete em{color:#9a6418;font-weight:800}
.home-overview.mastery-complete{border-color:#d9ad43;background:linear-gradient(135deg,#fff7d8,#fffdf5);box-shadow:0 6px 18px rgba(181,132,28,.14)}.home-overview.mastery-complete .overview-title{color:#8a5a13}.home-overview.mastery-complete .overview-title b{color:#9a6418}.home-overview.mastery-complete .overview-grid strong{color:#8a5a13}
.mastery-badge{display:inline-block;margin-left:5px;padding:3px 7px;border:1px solid #d6a53a;border-radius:999px;background:#f4d572;color:#65410b;font-size:.65rem;font-style:normal;font-weight:900;line-height:1.2;vertical-align:middle;white-space:nowrap}.overview-title .mastery-badge{font-size:.62rem}
.screen-head{display:flex;align-items:center;gap:12px;padding:18px 0}.back{border:1px solid var(--line);background:var(--card);width:42px;height:42px;border-radius:13px;color:var(--ink);cursor:pointer}.screen-head h1{font-size:1.08rem;margin:0}.progress{height:7px;border-radius:9px;background:#ddd8cd;overflow:hidden}.progress i{display:block;height:100%;background:var(--accent);transition:width .3s}.counter{margin:12px 2px;color:var(--muted);font-size:.78rem}.quiz-card,.result-card,.stats-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px 22px;box-shadow:var(--shadow)}.category{font-size:.68rem;color:var(--accent);background:#f4e5dc;border-radius:99px;padding:6px 10px;display:inline-block;font-weight:700}.word{font:800 clamp(2.1rem,11vw,3.6rem)/1.3 "Yu Mincho",serif;letter-spacing:.1em;text-align:center;margin:44px 0}.label{display:block;font-size:.78rem;color:var(--muted);margin-bottom:8px}.answer{width:100%;border:1.5px solid #c9c4b8;border-radius:14px;background:#fff;padding:16px;font-size:1.1rem;outline:none}.answer:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(40,91,73,.12)}.primary{width:100%;border:0;border-radius:14px;background:var(--green);color:#fff;padding:16px;font-weight:800;margin-top:14px;cursor:pointer}.primary:disabled{opacity:.45}.secondary{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);padding:14px;font-weight:700;margin-top:10px;cursor:pointer}
.verdict{text-align:center}.verdict-mark{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;margin:0 auto 12px;font-size:1.8rem;color:#fff}.correct .verdict-mark{background:var(--good)}.wrong .verdict-mark{background:var(--bad)}.verdict h2{margin:0 0 22px;font-size:1.25rem}.result-word{font:800 2.2rem/1.3 "Yu Mincho",serif;letter-spacing:.1em;margin:8px 0 18px}.reading{font-size:1.45rem;font-weight:800;margin:6px 0 22px}.meaning{background:#f1eee6;border-radius:16px;padding:18px;line-height:1.8;text-align:left}.meaning b{display:block;font-size:.72rem;color:var(--muted);margin-bottom:5px}.your-answer{font-size:.82rem;color:var(--muted);margin:-10px 0 18px}.review-toggle{display:flex;gap:10px;align-items:center;text-align:left;margin:18px 2px 4px;font-size:.88rem}.review-toggle input{width:21px;height:21px;accent-color:var(--accent)}
.summary-score{text-align:center;font:800 3.3rem serif;margin:18px 0 2px}.summary-sub{text-align:center;color:var(--muted);margin-bottom:24px}.empty{text-align:center;padding:50px 18px}.empty .big{font-size:3rem}.empty h2{font:800 1.35rem serif}.empty p{color:var(--muted);line-height:1.8}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}.metric{background:#eef1ec;border-radius:16px;padding:16px 8px;text-align:center}.metric strong{display:block;font-size:1.35rem}.metric span{font-size:.68rem;color:var(--muted)}.list{display:grid;gap:9px}.stat-row{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:8px}.stat-row strong{font-family:serif;letter-spacing:.08em}.stat-row small{display:block;color:var(--muted);margin-top:4px}.rate{font-weight:800;color:var(--accent)}.danger{color:var(--bad);border-color:#e0b9b2}.home-overview{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--card)}.home-overview h2{font-size:.84rem;margin:0 0 13px}.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.overview-grid div{text-align:center}.overview-grid strong{display:block;font-size:1.15rem}.overview-grid span{font-size:.62rem;color:var(--muted)}.correction-toggle{margin-top:10px}.correction-note{min-height:1.3em;color:var(--good);font-size:.76rem;text-align:left;margin:5px 3px}@media(min-width:650px){.app-shell{padding-left:28px;padding-right:28px}.menu{grid-template-columns:1fr 1fr}.menu-card:last-child{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.readings{margin:6px 0 22px}.readings .reading{font-size:1.35rem;margin:5px 0}.kanji-reading{color:#c83f35}.kana-reading{color:var(--ink)}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.home-overview{display:block;width:100%;color:var(--ink);text-align:left;cursor:pointer}.home-overview:active{transform:scale(.99)}.overview-title{display:flex;justify-content:space-between;align-items:center;font-size:.84rem;font-weight:800;margin-bottom:13px}.overview-title b{font-size:.68rem;color:var(--accent)}.overview-grid{grid-template-columns:repeat(3,1fr);gap:12px 6px}.overview-grid>span{text-align:center}.overview-grid small{font-size:.62rem;color:var(--muted)}
@media(min-width:650px){.stats-grid{grid-template-columns:repeat(3,1fr)}}
.model-box{margin:14px 0;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--card);text-align:center}.model-box b,.model-box small{display:block}.model-box small{color:var(--muted);margin-top:5px}.write-clue{font:800 2.7rem serif;text-align:center;margin:24px 0 16px}.ink-canvas{display:block;width:100%;height:min(72vw,390px);background:#fff;border:2px solid #b9b3a8;border-radius:16px;touch-action:none}.recognition{min-height:58px;margin-top:12px;padding:12px;border-radius:12px;background:#eef1ec;text-align:center}.recognition strong{font-size:1.5rem;color:var(--accent)}.recognition small{display:block;color:var(--muted);margin-top:4px}.ink-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.writing-card .submit-write:disabled{opacity:.4}
.write-sentence{font:700 1.15rem/2 "Yu Mincho",serif;margin:22px 0;padding:16px;border-radius:14px;background:#f1eee6;text-align:left}.write-target{color:#d7352d;font-size:1.35em;font-weight:900;border-bottom:2px solid #d7352d;padding:0 2px}
.write-sentence:has(.radical-writing-clue){text-align:center}.radical-writing-clue{display:inline-block;font-size:1.7em;letter-spacing:.08em;border:0;padding:0}
.writing-search-group{margin:18px 0 16px;padding:12px;border:1px solid #b9d3df;border-radius:15px;background:#f4f9fb;box-shadow:0 2px 7px rgba(35,79,105,.08)}.writing-search-label{display:block;margin:-12px -12px 12px;padding:10px 13px;border-radius:14px 14px 0 0;background:#e3f0f6;color:#234f69;font-size:.9rem;font-weight:800;text-align:left}.completed-writing-terms{display:flex;flex-wrap:wrap;gap:8px;margin:0}.completed-writing-terms>span,.writing-term-search{border:1px solid #c9dbe3;border-radius:12px;background:#fff;color:var(--ink);padding:10px 12px;font:700 1.05rem/1.3 "Yu Mincho",serif}.writing-term-search{cursor:pointer}.writing-term-search small{display:block;margin-top:3px;color:#326c91;font:600 .68rem/1.2 sans-serif}
.writing-answer-comparison{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:7px;margin:0 0 18px}.writing-answer-comparison>div{min-width:0;border:1px solid var(--line);border-radius:12px;background:#f7f5ef;padding:8px 5px;text-align:center}.writing-answer-comparison span{display:block;color:var(--muted);font-size:.68rem;line-height:1.45;white-space:nowrap}.writing-answer-comparison strong{display:block;margin-top:3px;font:800 1.75rem/1.2 "Klee One","Yu Mincho",serif;color:var(--ink)}.writing-answer-comparison .stroke-comparison{display:flex;flex-direction:column;justify-content:center;gap:5px;text-align:left;padding-left:8px}.stroke-comparison b{color:var(--ink);font-size:.9rem}
.writing-card{margin-left:-12px;margin-right:-12px;padding-left:6px;padding-right:6px}.writing-card .category,.writing-card .write-sentence{margin-left:10px;margin-right:10px}.writing-card .ink-canvas{width:100%;height:min(86.4vw,468px);border-radius:12px}.writing-card .recognition,.writing-card .ink-actions,.writing-card .submit-write{width:calc(100% - 20px);margin-left:10px;margin-right:10px}
.writing-card{padding-top:6px;padding-bottom:12px}.writing-card .write-sentence{font-size:1.08rem;line-height:1.55;margin-top:0;margin-bottom:7px;padding:8px 10px}.writing-card .recognition{min-height:42px;margin-top:6px;padding:7px}.writing-card .recognition strong{font-size:1.3rem}.writing-card .recognition small{margin-top:1px}.writing-card .ink-actions{gap:8px}.writing-card .ink-actions .secondary{padding:9px;margin-top:6px}.writing-card .submit-write{padding:11px;margin-top:7px}.writing-card+.primary{margin-top:7px}
.writing-head{padding:7px 0}.writing-head .back{width:36px;height:36px}.writing-head h1{font-size:.82rem;white-space:nowrap}.writing-head h1 small{font-size:.72rem;color:var(--muted);font-weight:600}.question-meaning{margin:0 10px 7px;padding:7px 9px;max-height:3.35em;overflow:auto;border-radius:10px;background:#f1eee6;color:var(--muted);font-size:.72rem;line-height:1.4}.question-meaning b{color:var(--ink);margin-right:7px}.ink-wrap{position:relative}.writing-card .recognition{position:absolute;left:8px;bottom:8px;width:auto;min-width:48px;min-height:0;margin:0;padding:4px 11px;background:rgba(23,52,44,.9);color:#fff;border-radius:9px;pointer-events:none}.writing-card .recognition:empty{display:none}.writing-card .recognition strong{font-size:1.75rem;color:#fff}.writing-card .recognition small{color:#fff;margin:0}.meaning-target{color:#c83f35;font-weight:800}
.trace-guide-wrap{overflow:hidden;border-radius:12px;background:#fff}.trace-guide-wrap .stroke-order-guide{position:absolute;inset:2.5%;z-index:0;width:95%;height:95%;object-fit:contain;opacity:0;filter:grayscale(1);pointer-events:none;transition:opacity .15s ease}.trace-guide-wrap .stroke-order-guide.is-ready{opacity:.34}.trace-guide-wrap .ink-canvas{position:relative;z-index:1;background:transparent}.license-group a{color:var(--accent);font-weight:800;text-underline-offset:3px}
.quiz-card form>.primary,.writing-card>.submit-write,.result-card>.next{min-height:144px;font-size:1.08rem}
.writing-card>.mastered-write{width:calc(100% - 20px);min-height:72px;margin:8px 10px 0;font-size:1rem;font-weight:800}
.reading-card .word{margin:24px 0 26px}.reading-card form>.mastered-read{min-height:72px;font-size:1rem;font-weight:800}.result-card.correct .readings+.next{margin-bottom:18px}.guide-card h2{margin:26px 0 8px}.guide-card h2:first-child{margin-top:0}.guide-card h3{margin:18px 0 4px}.guide-card p{margin:0;color:var(--muted)}
.result-card>.mastered-result{min-height:72px;font-size:1rem;font-weight:800;margin-top:82px;margin-bottom:18px}.result-card>.mastered-result:disabled{opacity:.65}
.mastered-stat-toggle{display:inline-flex;align-items:center;gap:7px;margin-top:9px;font-size:.78rem;font-weight:700;color:var(--ink);cursor:pointer}.mastered-stat-toggle input{width:20px;height:20px;margin:0;accent-color:var(--accent)}.stat-target-kanji{color:#c83f35;font-weight:900}.stat-row small.stat-row-details{display:block}.stat-row-answer{display:block;min-width:0;color:var(--ink);font-weight:700;text-align:left;overflow-wrap:anywhere}.stat-row-result{display:flex;min-width:max-content;flex-direction:column;align-items:flex-end;gap:5px;text-align:right}.stat-row-score{display:block!important;white-space:nowrap;color:var(--muted);font-size:.64rem;line-height:1.45;text-align:right}
.mastery-celebration{margin:0 0 18px;padding:18px 12px;border:2px solid #efb547;border-radius:18px;background:linear-gradient(135deg,#fff4c8,#fffaf0);color:#9a5414;text-align:center;font-size:clamp(1.45rem,6vw,2rem);font-weight:900;line-height:1.35;box-shadow:0 7px 20px rgba(202,132,28,.2)}.mastery-celebration small{display:block;margin-top:5px;font-size:.55em;color:#74431a}
.mastered-question-mark{align-self:flex-start;width:max-content;margin:0 0 4px;padding:5px 10px;border:1px solid #dfb14c;border-radius:999px;background:#fff7d9;color:#9a6418;font-size:.72rem;font-weight:800;line-height:1}.writing-card .mastered-question-mark{margin:4px 10px 7px}
.flash-rest-message{text-align:center;margin:-2px 0 14px;color:var(--muted);font-size:.82rem;font-weight:700}
.flash-writing-prompt{height:3.9rem;display:flex;align-items:center;justify-content:center;padding:3px 4px;font:800 clamp(1.46rem,5.5vw,2.46rem)/1.2 "Yu Mincho",serif;text-align:center;overflow:hidden}.flash-writing-term{display:inline-block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.flash-writing-prompt .write-target{color:#c83f35;font-size:inherit;line-height:inherit}.flash-writing-answer-slot{height:clamp(6rem,22vw,9rem);box-sizing:border-box;display:flex;align-items:center;justify-content:center;padding:4px 0 10px;color:var(--ink);font:400 clamp(4.6rem,18vw,8rem)/1 "Klee One","Yu Mincho",serif;overflow:hidden}.flash-writing-card .flash-content{width:100%;margin:0}.flash-writing-layout{display:grid;grid-template-rows:3.9rem clamp(6rem,22vw,9rem) auto;gap:2px;align-content:start}.flash-practice-wrap{width:100%;height:clamp(225px,39vh,351px);margin-top:14px;border:2px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;touch-action:none}.flash-practice-wrap canvas{display:block;width:100%;height:100%;touch-action:none}.flash-card.is-paused{min-height:0;padding-top:18px}.flash-card.is-paused .flash-content{display:none}.flash-card.is-paused .flash-paused{margin-top:0}.flash-card.is-paused .pause-flash-settings{margin-top:6px}.flash-settings-group{display:grid;grid-template-columns:1fr 1fr;gap:10px}.flash-settings-group legend{grid-column:1/-1}.flash-settings-group label{display:grid;gap:7px;font-weight:700;font-size:.84rem}.flash-settings-group select{min-width:0}.model-waiting{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;background:rgba(20,39,34,.42)}.model-waiting>div{width:min(90vw,360px);padding:28px 22px;border-radius:22px;background:var(--card);box-shadow:0 16px 50px rgba(0,0,0,.25);text-align:center}.model-waiting strong{display:block;margin-top:12px;font-size:1.15rem}.model-waiting p{margin:6px 0 0;color:var(--muted)}.waiting-spinner{display:inline-block;width:38px;height:38px;border:4px solid #d8e2dd;border-top-color:var(--green);border-radius:50%;animation:waiting-spin .8s linear infinite}@keyframes waiting-spin{to{transform:rotate(360deg)}}
.flash-writing-prompt{height:clamp(9.9rem,calc(22vw + 3.9rem),12.9rem);align-items:center;padding:0 4px;overflow:visible;font-size:clamp(1.752rem,6.6vw,2.952rem);line-height:1.2}.flash-answer-position{display:inline-flex;width:clamp(4.6rem,18vw,8rem);height:clamp(4.6rem,18vw,8rem);align-items:center;justify-content:center;vertical-align:middle;flex:0 0 auto}.flash-writing-prompt .flash-answer-position .write-target{display:block;max-width:100%;font-size:clamp(1.65rem,6vw,3rem);line-height:1;white-space:nowrap;border:0;padding:0}.flash-writing-prompt .flash-write-answer{display:block;color:#c83f35;font:400 clamp(4.6rem,18vw,8rem)/1 "Klee One","Yu Mincho",serif;border:0;padding:0;transform:translateY(-10%)}.flash-writing-answer-slot{height:0;padding:0;overflow:hidden}.flash-writing-layout{grid-template-rows:clamp(9.9rem,calc(22vw + 3.9rem),12.9rem) 0 auto;gap:0}
.guide-top-button{width:100%;margin:0 0 14px}
.guide-card{display:grid;gap:16px}.guide-group{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fafbf9}.guide-group h2{margin:0 0 12px!important;padding-bottom:9px;border-bottom:2px solid #dfe8e2}.guide-group h3{margin:16px 0 4px}.guide-group p{margin:0;color:var(--muted);line-height:1.75}.guide-settings-list{margin:0;padding-left:1.3em;display:grid;gap:10px;color:var(--muted)}.guide-settings-list strong{color:var(--ink)}
.home-reload{margin-left:auto;border:1px solid var(--line);background:var(--card);min-width:62px;height:42px;padding:0 11px;border-radius:13px;color:var(--green);font-size:.78rem;font-weight:900;cursor:pointer}.home-reload:active{transform:scale(.96)}.writing-head .home-reload{height:36px;border-radius:11px}
.parental-modal{position:fixed;z-index:3200;inset:0;display:grid;place-items:center;padding:20px;background:rgba(15,35,29,.68);backdrop-filter:blur(3px)}.parental-dialog{width:min(100%,440px);padding:26px 22px 20px;border-radius:24px;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.32)}.parental-dialog h2{margin:0 0 16px;font:800 1.35rem "Yu Mincho",serif;text-align:center}.parental-dialog label{display:grid;gap:7px;margin-top:14px;color:var(--muted);font-size:.8rem;font-weight:800}.parental-dialog input{width:100%;padding:15px;border:1.5px solid var(--line);border-radius:13px;background:#fff;color:var(--ink);font-size:1.05rem}.parental-error{min-height:1.5em;margin-top:9px;color:var(--bad);font-size:.78rem;font-weight:800}.password-warning{padding:13px;border-radius:13px;background:#f7e5dc;color:var(--bad)!important;line-height:1.65}.parental-search.danger{font-weight:900}
.parental-search:disabled{cursor:not-allowed;opacity:.68;background:#eee9df;color:var(--muted)}
.menu-card:disabled{cursor:not-allowed;opacity:.55;filter:grayscale(.35)}
.writing-card .ink-actions{margin-bottom:8px}.writing-card>.mastered-write{margin-top:24px}
.trace-card>.next{min-height:144px;font-size:1.08rem}.wrong-heading{display:flex;align-items:center;justify-content:center;gap:10px;height:54px;color:var(--bad)}.wrong-heading span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--bad);color:#fff;font-size:1.35rem}.wrong-heading strong{font-size:1.1rem}.post-trace-details{margin:20px 10px 4px;padding-top:18px;border-top:1px solid var(--line)}.post-trace-details>.write-sentence{margin-left:0;margin-right:0}.trace-answer{text-align:center;margin:10px 10px 14px;color:var(--muted)}.trace-answer strong{font:800 2rem "Yu Mincho",serif;color:var(--ink)}.trace-card .your-answer{margin:8px 0 12px;text-align:center}
.settings-link{margin-left:auto;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);padding:9px 12px;font-weight:800}.settings-card{display:grid;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}.settings-card>label:not(.switch-row){display:grid;gap:8px;font-weight:700}.settings-card select{width:100%;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}.settings-card fieldset{border:1px solid var(--line);border-radius:14px;padding:13px}.settings-card legend{font-weight:800;padding:0 6px}.radio{display:inline-flex;align-items:center;gap:5px;margin:8px 14px 4px 0}.radio input,.switch-row input{width:22px;height:22px;accent-color:var(--green)}.switch-row{display:flex;justify-content:space-between;align-items:center;font-weight:800}.flash-card{min-height:65vh;display:flex;flex-direction:column;align-items:stretch;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px 20px;box-shadow:var(--shadow)}.flash-content{margin:auto 0;text-align:center}.flash-reading{min-height:2.1rem;display:grid;place-items:end center;color:#c83f35;font-size:1.45rem;font-weight:800;text-align:center;line-height:1.25}.flash-word{margin:2px 0 0;font:800 clamp(2.5rem,14vw,5rem)/1.15 "Yu Mincho",serif;letter-spacing:.1em;text-align:center}.flash-stop{margin-top:auto}.flash-paused{text-align:center;color:var(--muted);font-weight:800;margin:12px 0 2px}.previous-answer{display:grid;gap:5px;margin-top:10px;padding:12px;border-radius:14px;background:#f1eee6;text-align:center}.previous-answer strong{font:800 1.8rem "Yu Mincho",serif}.previous-answer span{color:#c83f35;font-weight:800}
:root[data-recognition-opacity="medium"] .writing-card .recognition{opacity:.58}:root[data-recognition-opacity="light"] .writing-card .recognition{opacity:.24}:root[data-recognition-opacity="very-light"] .writing-card .recognition{opacity:.1}.web-search{margin-top:28px}
.pause-flash-settings{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:8px 0 2px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#f1eee6}.pause-flash-settings label{display:grid;gap:6px;color:var(--muted);font-size:.72rem;font-weight:700}.pause-flash-settings select{min-width:0;width:100%;padding:10px 6px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
:root[data-text-size="small"] .writing-card .ink-canvas{height:min(74vw,402px)}:root[data-text-size="large"] .writing-card .ink-canvas{height:min(96vw,552px)}:root[data-text-size="small"] .quiz-card form>.primary,:root[data-text-size="small"] .writing-card>.submit-write,:root[data-text-size="small"] .result-card>.next,:root[data-text-size="small"] .trace-card>.next{min-height:124px}:root[data-text-size="large"] .quiz-card form>.primary,:root[data-text-size="large"] .writing-card>.submit-write,:root[data-text-size="large"] .result-card>.next,:root[data-text-size="large"] .trace-card>.next{min-height:170px}:root[data-text-size="small"] .writing-card>.mastered-write{min-height:62px}:root[data-text-size="large"] .writing-card>.mastered-write{min-height:85px}
.settings-actions{display:grid;gap:10px;margin:20px 0}.source-card,.warning-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;line-height:1.75}.source-card h2,.source-card h3,.warning-card h2{font-family:serif}.source-card h3{margin:24px 0 4px}.source-card a,.example-credit a{color:var(--accent)}.example-credit{margin-top:22px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:.68rem;line-height:1.6}.warning-card{text-align:center}.warning-mark{width:58px;height:58px;margin:4px auto 12px;border-radius:50%;display:grid;place-items:center;background:#f6dfc5;color:#9a4c22;font-size:2rem;font-weight:900}.warning-card p{text-align:left}.ad-wrap{min-height:90px;margin:20px 0;padding:8px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#faf9f5}.flash-ad{text-align:center}.flash-ad h2{font-family:serif}.restore-file{display:none}
.backup-settings-group{display:grid;gap:10px;background:#f8faf8}.backup-settings-group>label{display:grid;gap:8px;font-weight:700}.backup-settings-group small{color:var(--muted);font-size:.7rem;line-height:1.55}.backup-settings-group button{width:100%}
.focus-learning-card h2,.focus-learning-card p{margin:0}.focus-learning-card>p{color:var(--muted);line-height:1.7}.focus-pool-status{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:13px;border-radius:12px;background:#f1eee6}.focus-pool-status small{color:var(--muted);text-align:right}.focus-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:100%;padding:0;border:1px solid #cbded3;border-radius:14px;background:#f6faf7;color:inherit;overflow:hidden;cursor:pointer}.focus-stats>span{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 6px}.focus-stats>span+span{border-left:1px solid #d8e5dd}.focus-stats small{color:var(--muted);font-weight:700}.focus-stats strong{font-size:1.3rem;color:var(--green-dark)}.focus-stats:not(:disabled):active{background:#edf5f0}.focus-stats:disabled{cursor:default;opacity:.65}
@media(min-width:900px){.app-shell{width:min(calc(100% - 48px),1040px);padding-left:40px;padding-right:40px}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.level-hero{max-width:760px}.hero{padding-left:28px;padding-right:28px}.menu{grid-template-columns:repeat(3,minmax(0,1fr))}.menu-card:last-child{grid-column:auto}.stats-card,.quiz-card,.result-card,.warning-card,.source-card,.settings-card{max-width:760px;margin-left:auto;margin-right:auto}.ink-canvas{max-height:520px}}
.shortcut-modal{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:20px;background:rgba(15,35,29,.62);backdrop-filter:blur(3px)}.shortcut-dialog{width:min(100%,440px);padding:28px 22px 20px;border-radius:24px;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.3);text-align:center}.shortcut-icon{width:72px;height:72px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;background:var(--green);color:#fff;font:900 2.5rem "Yu Mincho",serif}.shortcut-dialog h2{margin:0 0 10px;font:800 1.45rem "Yu Mincho",serif}.shortcut-dialog p{margin:0 0 18px;color:var(--muted);font-weight:700;line-height:1.75}.shortcut-dialog .primary{min-height:62px}.shortcut-dialog .secondary{border:0;background:transparent;color:var(--muted)}
.writing-card .recognition strong{font-family:"Klee One","Yu Mincho",serif;font-size:3.5rem;font-weight:400;line-height:1.1}.writing-card .recognition{min-width:72px;padding:7px 14px}.switch-row span small{display:block;margin-top:3px;color:var(--muted);font-size:.68rem;font-weight:500}
.search-browser{position:fixed;z-index:3000;inset:0;display:flex;flex-direction:column;background:#fff}.search-browser-head{flex:0 0 auto;min-height:64px;padding:max(10px,env(safe-area-inset-top)) 14px 10px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:14px;background:var(--ink);color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.22)}.search-back{min-height:44px;border:1px solid rgba(255,255,255,.5);border-radius:12px;padding:8px 14px;background:#fff;color:var(--ink);font-weight:900;cursor:pointer}.search-browser-head div{min-width:0}.search-browser-head strong,.search-browser-head small{display:block}.search-browser-head small{margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#d8e0dc}.search-browser iframe{flex:1 1 auto;width:100%;min-height:0;border:0;background:#fff}.web-search{margin-top:32px}
.topbar-actions{display:flex;align-items:center;gap:8px}.notices-link{border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);padding:9px 12px;font-weight:800;cursor:pointer}.notices-list{display:grid;gap:14px}.notice-card{padding:21px;border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:var(--shadow)}.notice-card time{color:var(--accent);font-size:.74rem;font-weight:800}.notice-card h2{margin:7px 0 12px;font:800 1.15rem "Yu Mincho",serif}.notice-card ul{margin:0;padding-left:1.25em;color:var(--muted);line-height:1.75}.backup-reminder-modal{position:fixed;z-index:3100;inset:0;display:grid;place-items:center;padding:20px;background:rgba(15,35,29,.62);backdrop-filter:blur(3px)}.backup-reminder-dialog{width:min(100%,440px);padding:28px 22px 20px;border-radius:24px;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.3);text-align:center}.backup-reminder-icon{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:#e1ebe5;color:var(--green);font-size:2rem;font-weight:900}.backup-reminder-dialog h2{margin:0 0 10px;font:800 1.35rem "Yu Mincho",serif}.backup-reminder-dialog p{margin:0 0 18px;color:var(--muted);line-height:1.75}.backup-reminder-dialog .primary{min-height:60px}.backup-reminder-dialog .secondary{border:0;background:transparent;color:var(--muted)}
.notice-popup{position:fixed;z-index:4000;inset:0;display:grid;place-items:center;padding:20px;background:rgba(15,35,29,.72);backdrop-filter:blur(3px)}.notice-popup-dialog{display:grid;width:min(100%,520px);max-height:calc(100dvh - 40px);padding:24px 20px 18px;border-radius:22px;background:var(--card);box-shadow:0 24px 70px rgba(0,0,0,.38)}.notice-popup-dialog>h2{margin:0 0 14px;text-align:center;font:800 1.4rem "Yu Mincho",serif}.notice-popup-list{min-height:0;overflow-y:auto;overscroll-behavior:contain}.notice-popup-list article{padding:15px 4px;border-top:1px solid var(--line)}.notice-popup-list article:first-child{border-top:0}.notice-popup-list time{color:var(--accent);font-size:.78rem;font-weight:800}.notice-popup-list h3{margin:5px 0 8px}.notice-popup-list ul{margin:0;padding-left:1.3em;color:var(--muted);line-height:1.65}.notice-popup-close{margin-top:14px}
.first-guide-popup .notice-popup-dialog{text-align:center;overflow-y:auto}.first-guide-popup p{color:var(--muted);line-height:1.75}.first-guide-popup .first-guide-close{margin-top:9px}.first-guide-caution{margin:18px 0 0;padding:13px;border-radius:12px;background:#f7e5dc;color:var(--bad)!important;font-size:.78rem;text-align:left}
.first-guide-popup .first-guide-caution{margin:0 0 16px}.app-disclaimer{margin:16px 0 0;padding:13px;border-radius:12px;background:#f7e5dc;color:var(--bad);font-size:.78rem;line-height:1.7}
@media(max-width:420px){.topbar{align-items:flex-start}.topbar-actions{gap:5px}.notices-link,.settings-link{padding:8px;font-size:.78rem}.brand{font-size:1.08rem}}
.app-switcher{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}.app-switcher a{padding:14px 10px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);font-weight:800;text-align:center;text-decoration:none;box-shadow:var(--shadow)}.app-switcher a.current{background:#e1ebe5;border-color:#abc4b7}.app-switcher a:not(.current){color:#a9562d;border-color:#e6b89f}
.related-apps{margin-top:18px;padding:16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.55)}.related-apps h2{margin:0 0 12px;font-size:.9rem}.related-apps .app-switcher{display:flex;gap:12px;margin:0}.app-icon-link{display:grid!important;justify-items:center;gap:7px;width:92px;padding:9px!important;border:0!important;background:transparent!important;box-shadow:none!important;color:var(--ink)!important}.app-icon-mark{display:grid;place-items:center;width:64px;height:64px;border-radius:17px;background:linear-gradient(145deg,#355c78,#203c55);color:#fff;font:900 2.1rem/1 serif;box-shadow:0 7px 18px rgba(23,52,44,.25)}.app-icon-link strong{font-size:.82rem}.app-icon-link:active .app-icon-mark{transform:scale(.95)}
.auto-mode-group{margin-top:14px;padding:14px;border:1px solid rgba(47,96,78,.18);border-radius:14px;background:rgba(255,255,255,.55)}
.auto-mode-group>strong{display:block;margin-bottom:8px;color:#285b49}
.reading-target-kanji{color:#c93131;text-decoration:underline;text-decoration-thickness:.08em;text-underline-offset:.12em}
.reading-word-separator{color:var(--muted,#66756f);padding:0 .12em}
.reading-word-list{display:inline-block;max-width:100%;text-align:left;letter-spacing:0}
.reading-word-line{display:block;white-space:nowrap}
.reading-word-unit{display:inline-block;white-space:nowrap;letter-spacing:.1em}
.reading-word-item{display:inline;white-space:nowrap}
.reading-result-words{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:10px 0 14px}
.reading-word-search{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;border:1px solid #b9d5e4;border-radius:999px;background:#edf7fc;color:#214d63;padding:8px 12px;font-family:inherit;font-size:clamp(1rem,4vw,1.25rem);font-weight:800}
.reading-word-search small{font-size:.66em;font-weight:700;color:#52798c}
.metric-filter{font:inherit;color:inherit;border:1px solid transparent;cursor:pointer;width:100%}
.metric-filter.active{border-color:#e4864a;box-shadow:0 0 0 2px rgba(228,134,74,.18)}
.stats-filter-heading{margin:18px 0 10px;font-weight:800;color:#344b43}
.focus-update-group{display:grid;gap:12px;margin-top:6px;padding:16px;border:1px solid var(--line);border-radius:14px;background:#f7f5ef}.focus-update-group>strong{font-size:.95rem;color:var(--ink)}.focus-update-group label{margin:0}.focus-update-group .focus-update{margin:0}
.jukugo-card .jukugo-reading{text-align:center;font-size:clamp(1.6rem,7vw,2.35rem);font-weight:900;letter-spacing:.12em;color:var(--accent);margin:2px 0 6px}.jukugo-card .jukugo-meaning{text-align:center;color:var(--muted);line-height:1.55;margin-bottom:6px}.jukugo-confirmed{min-height:3.35rem;display:flex;align-items:center;justify-content:flex-start;gap:6px;padding:3px 4px;font:400 2.8rem/1.1 "Klee One","Yu Mincho",serif}.jukugo-slot{width:1.12em;height:1.25em;padding:0;border:2px dashed #aaa59b;border-radius:7px;background:#fff;color:var(--ink);font:inherit;line-height:1;cursor:pointer}.jukugo-slot.correct{border-color:#719b83;color:var(--green-dark);background:#f3faf5}.jukugo-slot.wrong{border-color:#ca776e;color:var(--bad);background:#fff6f5}.jukugo-slot.current{border-color:var(--accent);background:#fffaf4}.jukugo-slot:disabled{opacity:1;cursor:default}.jukugo-web-search{margin-top:16px;background:#edf7fc;border-color:#b9d5e4;color:#214d63}.jukugo-flash-reading{text-align:center;color:var(--accent);font-weight:900;font-size:clamp(1.5rem,6vw,2.25rem);letter-spacing:.08em;min-height:1.5em}.jukugo-flash-answer{text-align:center;font:800 clamp(2rem,9vw,4rem)/1.25 "Klee One","Yu Mincho",serif;letter-spacing:.12em;min-height:1.35em}.jukugo-flash-layout{gap:4px}