@font-face{font-family:LingoJapanese;src:url('../fonts/LingoJapanese.woff2?v=1') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
#app,#app *,#wordDetail,#wordDetail *{font-family:LingoAppSans,LingoJapanese,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,"Noto Sans CJK JP",sans-serif!important}
#app [lang=ja],#app [lang=ja] *,#wordDetail [lang=ja],#wordDetail [lang=ja] *{font-family:LingoJapanese,LingoAppSans,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,"Noto Sans CJK JP",sans-serif!important}
:root{color-scheme:light;--bg:#f8f7f4;--paper:#fff;--ink:#252c33;--muted:#72797f;--line:#e4e6e7;--accent:#b64d43;--accent-ink:#fff;--soft:#f8eae6;--good:#287560;--good-soft:#e8f5ee;--warn:#b54b3f;--warn-soft:#fcece8;--shadow:0 10px 35px #20252b06;--r:20px}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#151b22;--paper:#1e2630;--ink:#edf1f6;--muted:#a1aebb;--line:#35404d;--accent:#f2a194;--accent-ink:#331e1b;--soft:#3c2c2b;--good:#8fd2b5;--good-soft:#213d35;--warn:#ffb2a5;--warn-soft:#432d2b;--shadow:none}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:var(--bg);padding-top:env(safe-area-inset-top,0px)}.top{max-width:820px;margin:auto;display:flex;align-items:center;gap:12px;padding:15px 24px}.brand{flex:1;min-width:0;color:var(--accent);font-size:21px;line-height:1.25;font-weight:750;letter-spacing:-.035em;text-decoration:none}.brand small{display:block;color:var(--muted);margin-top:5px}.icon-link{background:transparent;border:0;border-radius:10px;padding:10px 6px;min-height:44px;font-size:13px;text-decoration:none;flex:none}main{max-width:820px;margin:auto;padding:22px 24px 36px}nav{display:flex;gap:6px;padding:5px;border:1px solid var(--line);background:var(--paper);border-radius:14px;margin-bottom:28px}nav button{flex:1;min-height:42px;background:transparent;border:0;border-radius:10px;color:var(--muted);font-size:14px;font-weight:600}nav [aria-current=page]{background:var(--ink);color:var(--bg)}h1,h2,h3,p{margin:0}h1{font-size:34px;line-height:1.3;letter-spacing:-.045em;word-break:keep-all}h2{font-size:20px;letter-spacing:-.025em;line-height:1.45}h3{font-size:16px;line-height:1.5}.eyebrow{font-size:11px;letter-spacing:.08em;color:var(--accent);font-weight:700}.muted{color:var(--muted)}.small{font-size:12px}.hero{display:flex;align-items:center;gap:20px;padding:8px 0 22px}.hero>div:first-child{flex:1}.hero h1{margin:8px 0 12px}.hero p{color:var(--muted);font-size:14px}.hero-art{width:116px;height:128px;flex:none;position:relative}.letter-card{position:absolute;display:grid;place-items:center;width:83px;height:104px;background:var(--soft);border:1px solid var(--line);border-radius:17px;color:var(--accent);font-size:42px;font-weight:600;transform:rotate(10deg);right:0;top:0}.letter-card:last-child{transform:rotate(-9deg);background:var(--paper);left:0;top:17px;box-shadow:var(--shadow)}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:4px 0 20px}.stat{padding:14px 16px;background:var(--paper);border:1px solid var(--line);border-radius:15px}.stat small{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.stat b{font-size:22px;font-weight:750;letter-spacing:-.03em}.stat span{font-size:12px;color:var(--muted);margin-left:4px}.panel{border:1px solid var(--line);background:var(--paper);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);margin:16px 0}.daily-panel{border-color:var(--accent);background:linear-gradient(145deg,var(--paper) 35%,var(--soft))}.between{display:flex;align-items:center;justify-content:space-between;gap:12px}.between>*{min-width:0}.tag{display:inline-block;font-size:11px;font-weight:600;line-height:1.6;padding:4px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted);white-space:nowrap}.daily-panel .tag{color:var(--accent);border-color:var(--accent)}.daily-panel h2{margin:9px 0 7px;font-size:25px}.daily-panel p{font-size:13px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:10px 16px;text-decoration:none;font-weight:650;font-size:14px;transition:transform .12s,background .12s}.btn:active{transform:scale(.985)}.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.wide{width:100%}.daily-panel .primary{margin-top:18px}.arrow{font-size:18px;font-weight:400}.progress{height:7px;border-radius:10px;background:var(--line);overflow:hidden}.progress>i{display:block;height:100%;width:var(--pct,0%);background:var(--accent);border-radius:inherit;transition:width .25s}.goal-row{margin:18px 0 0}.goal-row .between{font-size:12px;margin-bottom:7px}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.quick{display:flex;flex-direction:column;text-align:left;padding:15px 13px;min-height:108px;gap:5px;background:var(--paper);border:1px solid var(--line);border-radius:15px}.quick b{font-size:14px}.quick .symbol{color:var(--accent);font-size:19px;line-height:1.3}.quick small{color:var(--muted);font-size:11px;overflow-wrap:anywhere}.resume{display:flex;align-items:center;gap:14px;padding:15px 18px;background:var(--soft);border-radius:15px;margin:0 0 18px}.resume>div{flex:1;min-width:0}.resume b{font-size:14px}.resume p{font-size:12px;color:var(--muted);margin-top:2px}.resume button{flex:none}.section-title{margin:28px 0 13px}.section-title p{color:var(--muted);font-size:12px;margin-top:4px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic{padding:18px;border:1px solid var(--line);border-radius:17px;background:var(--paper);min-width:0}.topic .glyph{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--soft);color:var(--accent);font-size:22px;margin-bottom:12px}.topic-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.topic h3{margin:4px 0}.topic p{font-size:11px;color:var(--muted)}.lesson-row{display:flex;gap:8px;margin-top:14px}.lesson-row button{flex:1;min-width:0;font-size:12px;padding:8px;min-height:40px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}.lesson-row button.done{background:var(--good-soft);border-color:transparent;color:var(--good)}.page-title{margin:8px 0 22px}.page-title p{font-size:13px;color:var(--muted);margin-top:8px}.back{display:inline-flex;align-items:center;gap:7px;background:transparent;border:0;padding:8px 0;min-height:44px;font-size:13px;color:var(--muted)}.session-top{margin-bottom:22px}.session-top .between{margin:5px 0 12px;font-size:12px;color:var(--muted)}.combo{color:var(--accent);font-weight:700}.question{margin:0 auto;max-width:650px}.question-label{color:var(--accent);font-size:12px;font-weight:700;display:flex;align-items:center;gap:8px}.question-label .tag{padding:2px 8px}.question h1{font-size:25px;margin:10px 0 23px;letter-spacing:-.03em}.sentence{font-size:25px;line-height:1.95;overflow-wrap:anywhere;word-break:normal}.sentence mark{background:var(--soft);color:var(--accent);border-radius:5px;padding:2px 4px;font-weight:700}.sentence .blank{display:inline-block;min-width:90px;border-bottom:3px solid var(--accent);line-height:1.1;vertical-align:baseline;text-align:center;font-size:19px;color:var(--accent);padding:0 10px 5px}.translation{font-size:14px;line-height:1.8;color:var(--muted);margin:13px 0 0;word-break:keep-all;overflow-wrap:anywhere}.options{display:grid;gap:10px;margin:24px 0 16px}.option{display:flex;align-items:center;gap:12px;min-height:58px;border:1px solid var(--line);background:var(--paper);border-radius:13px;text-align:left;padding:13px 16px;font-size:16px}.option .num{font-size:12px;color:var(--muted);display:grid;place-items:center;flex:none;width:25px;height:25px;border:1px solid var(--line);border-radius:8px}.option.correct{background:var(--good-soft);border-color:var(--good);color:var(--good)}.option.wrong{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}.option:disabled{opacity:1}.skip{display:block;margin:8px auto 0;padding:10px 15px;min-height:44px;color:var(--muted);background:transparent;border:0;font-size:13px;text-decoration:underline;text-underline-offset:4px}.audio-stage{border:1px solid var(--line);background:var(--paper);border-radius:20px;padding:26px;text-align:center}.audio-orb{width:84px;height:84px;border:0;border-radius:50%;background:var(--soft);color:var(--accent);font-size:30px;margin:0 auto 12px;display:grid;place-items:center}.audio-stage p{font-size:12px;color:var(--muted);margin:5px 0}.audio-actions{display:flex;justify-content:center;gap:8px}.audio-actions button{border:0;background:none;min-height:44px;padding:8px 10px;color:var(--accent);font-size:12px}.entry{margin:23px 0 18px}.entry label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.entry input,.entry textarea,.word-search{width:100%;background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:15px;font-size:20px;min-height:58px}.entry textarea{resize:vertical;font-size:18px;line-height:1.8;min-height:136px}.entry .voice-field{align-items:stretch}.entry .lg-voice-toolbar{margin-bottom:0}.entry .mic{min-width:48px;padding:9px 12px;border-radius:12px;background:var(--paper);border:1px solid var(--line);font-size:13px}.hint{font-size:12px;color:var(--muted);margin-top:9px}.feedback{margin-top:24px;padding:20px;border-radius:17px;background:var(--good-soft);border:1px solid var(--good);scroll-margin-top:100px}.feedback.wrong{background:var(--warn-soft);border-color:var(--warn)}.feedback-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:750;color:var(--good);margin-bottom:13px}.feedback.wrong .feedback-title{color:var(--warn)}.answer-word{font-size:25px;font-weight:700;line-height:1.5}.reading{display:block;font-size:14px;color:var(--muted);font-weight:400;margin-top:3px}.meaning{font-size:17px;margin-top:9px;font-weight:650}.teaching-note{font-size:13px;line-height:1.85;border-top:1px solid var(--line);margin-top:17px;padding-top:13px;color:var(--muted);overflow-wrap:anywhere}.feedback .btn{margin-top:17px}.feedback .sentence{font-size:19px;margin-top:14px}.feedback .translation{font-size:12px;margin-top:6px}.word-tools{display:flex;align-items:center;gap:8px;margin-top:12px}.word-tools button{min-height:40px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper);font-size:12px}.word-tools [aria-pressed=true]{color:var(--accent);background:var(--soft)}.learn-card{padding:30px 25px;border:1px solid var(--line);background:var(--paper);border-radius:22px;margin:16px 0 20px;box-shadow:var(--shadow)}.learn-card .answer-word{font-size:45px;letter-spacing:.02em;line-height:1.5}.learn-card .reading{font-size:17px}.learn-card .sentence{font-size:22px;margin-top:24px}.learn-card .meaning{font-size:21px;margin-top:17px}.learn-card .word-tools{margin-top:18px}.summary-head{text-align:center;margin:22px 0}.finish-seal{display:grid;place-items:center;width:74px;height:74px;border-radius:24px;background:var(--soft);color:var(--accent);font-size:34px;margin:0 auto 17px;animation:arrive .4s ease-out}.summary-head h1{font-size:29px}.summary-head p{color:var(--muted);font-size:13px;margin-top:8px}.summary-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:23px 0}.summary-metrics>div{text-align:center;padding:16px 8px;background:var(--paper);border:1px solid var(--line);border-radius:15px}.summary-metrics b{display:block;font-size:24px;color:var(--accent);letter-spacing:-.03em}.summary-metrics small{font-size:11px;color:var(--muted)}.word-chip-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.word-chip{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:8px 12px;font-size:14px;min-height:42px}.award{padding:13px 16px;border-radius:12px;background:var(--soft);color:var(--accent);font-size:13px;font-weight:650;margin-bottom:10px}.actions{display:flex;gap:10px;margin-top:18px}.actions .btn{flex:1}.summary-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.8}.own-sentence summary{cursor:pointer;font-size:15px;font-weight:650;min-height:44px;padding:8px 0}.own-sentence summary small{display:block;font-size:12px;font-weight:400;color:var(--muted)}.own-feedback{font-size:14px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:15px}.own-feedback strong{font-size:18px}.filters{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0 20px}.filters button{padding:7px 13px;min-height:38px;border:1px solid var(--line);border-radius:20px;background:var(--paper);font-size:12px}.filters [aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.search-field input{font-size:16px;min-height:50px}.word-list{display:grid;gap:8px}.word-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:var(--paper)}.word-open{flex:1;min-width:0;background:none;border:0;padding:0;text-align:left}.word-open b{font-size:19px;font-weight:650}.word-open small{font-size:12px;color:var(--muted);margin-left:9px}.word-open span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.favorite{background:none;border:0;color:var(--muted);font-size:22px;min-height:44px;min-width:44px;padding:7px}.favorite[aria-pressed=true]{color:var(--accent)}.state-dot{font-size:10px;color:var(--muted)}.state-dot.mastered{color:var(--good)}.empty{padding:25px 20px;border:1px dashed var(--line);background:var(--paper);border-radius:15px;text-align:center;color:var(--muted);font-size:13px}.empty b{display:block;color:var(--ink);font-size:16px;margin-bottom:8px}.empty .btn{margin-top:16px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:18px}.calendar>div{text-align:center;min-height:54px;border-radius:10px;padding:6px 3px;background:var(--bg);font-size:11px;color:var(--muted)}.calendar .active{background:var(--soft);color:var(--accent);font-weight:700}.calendar strong{display:block;font-size:16px;margin-bottom:2px}.badge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:16px}.badge-box{padding:14px 8px;text-align:center;background:var(--bg);border:1px dashed var(--line);border-radius:13px;color:var(--muted);font-size:11px}.badge-box.earned{background:var(--soft);color:var(--accent);border:1px solid transparent}.badge-box b{display:block;font-size:22px;margin-bottom:5px}.history-row{padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;gap:10px}.history-row:last-child{border-bottom:0}.history-row small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.toggle-line{display:flex;align-items:center;gap:9px;font-size:13px;margin-top:15px}.toggle-line input{width:18px;height:18px;accent-color:var(--accent)}.schedule-info{font-size:12px;line-height:1.9;color:var(--muted);margin-top:14px}dialog{width:calc(100% - 30px);max-width:520px;max-height:85dvh;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:23px;padding:28px;overflow:auto}dialog::backdrop{background:#11192388}.close{float:right;width:40px;min-height:40px;border:0;border-radius:12px;font-size:25px;background:var(--bg);color:var(--muted);margin:-10px -10px 5px 8px}.detail-title{font-size:34px}.detail-example{font-size:22px;line-height:1.9;margin-top:22px}.status{font-size:13px;color:var(--warn);line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.status:empty{display:none}footer{font-size:10px;color:var(--muted);text-align:center;line-height:1.9;margin:32px 0 0}.loading{min-height:220px;display:grid;place-content:center;text-align:center;color:var(--muted);font-size:13px}.loading-dot{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes arrive{from{opacity:0;transform:translateY(10px) scale(.85)}to{opacity:1;transform:none}}
@media(max-width:600px){.top{padding:12px 16px;gap:8px}.brand{font-size:19px}main{padding:17px 16px 28px}nav{margin-bottom:23px}h1{font-size:29px}.hero{gap:10px;padding-top:4px}.hero-art{width:90px;height:106px}.letter-card{width:67px;height:86px;font-size:34px;border-radius:14px}.hero p{font-size:12px}.stat{padding:12px 11px}.stat b{font-size:21px}.panel{padding:19px}.daily-panel h2{font-size:23px}.quick-grid{gap:8px}.quick{padding:13px 10px;min-height:104px}.quick b{font-size:13px}.quick small{font-size:10px}.topic{padding:15px}.topic-grid{gap:10px}.topic h3{font-size:15px}.topic p{line-height:1.6}.question h1{font-size:23px}.sentence{font-size:23px}.learn-card{padding:25px 20px}.learn-card .answer-word{font-size:40px}.summary-metrics{gap:8px}.summary-metrics b{font-size:23px}.word-row{padding:12px}.word-open small{display:block;margin:1px 0 0}.resume{padding:13px;gap:9px}.resume .btn{padding:8px 12px;font-size:12px}.calendar{gap:5px}.calendar>div{min-height:50px}.calendar strong{font-size:14px}dialog{padding:24px}.entry input{font-size:19px}.badge-box{font-size:10px}.top .icon-link{font-size:12px}.brand small{font-size:11px!important}}
@media(max-width:360px){.hero-art{display:none}.topic-grid{grid-template-columns:1fr}.stat b{font-size:19px}.stat span{margin-left:2px;font-size:10px}.stat{padding:11px 9px}.question h1{font-size:21px}.between{gap:7px}.summary-metrics b{font-size:21px}.brand{font-size:18px}.brand small{font-size:10px!important}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Align link and button labels identically in the header. */
.top .icon-link{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:44px;min-height:44px;padding:0 10px;line-height:1.2;white-space:nowrap}