@font-face{font-family:Jakarta;src:url('assets/jakarta.woff2') format('woff2');font-style:normal;font-weight:200 800;font-display:swap}
:root{--canvas:#efefef;--paper:#fff;--fog:#f5f5f5;--ink:#202020;--body:#4d4d4d;--muted:#686868;--line:#dedede;--accent:#ff682c;--radius:8px;font-family:Jakarta,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.42}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a4380e;outline-offset:3px}button{border:0;background:none}h1,h2,h3,p{margin:0}h1{font-size:clamp(30px,3.5vw,46px);line-height:1.15;letter-spacing:-.05em;font-weight:650}h2{font-size:17px;letter-spacing:-.025em;font-weight:700}h3{font-size:15px;line-height:1.4}p{font-size:14px;color:var(--body);line-height:1.75}small{font-size:11px}img{object-fit:contain}fieldset{border:0;padding:0;margin:23px 0}legend{font-size:12px;font-weight:700;margin-bottom:12px;width:100%}legend small{float:right;color:var(--muted);font-weight:400}.site-header{max-width:1328px;min-height:88px;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:auto}.brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:800;letter-spacing:-.04em}.brand img{border-radius:8px}.brand small{display:block;font-size:8px;letter-spacing:.1em;font-weight:600;margin-top:3px;color:var(--muted)}nav{display:flex;border-radius:100px;background:#e4e4e4;padding:5px;gap:2px}nav button{padding:10px 19px;font-size:12px;font-weight:650;border-radius:100px;white-space:nowrap}nav button.active{background:var(--paper)}nav button:hover:not(.active){background:#dadada}.profile{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;max-width:180px}.profile span{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile img{background:white;border:1px solid var(--line);border-radius:50%}.skip{position:fixed;top:-100px;z-index:99;background:white;padding:12px}.skip:focus{top:10px}main{max-width:1264px;margin:auto;padding:26px 32px 48px;min-height:calc(100dvh - 150px)}.intro{display:flex;justify-content:space-between;align-items:center;gap:30px;margin:4px 0 30px}.intro h1{margin:8px 0 10px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:.13em;color:var(--muted)}.companion{display:flex;align-items:center;gap:14px;max-width:360px}.companion strong{display:block;font-size:13px;line-height:1.6}.companion span{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:5px}.companion img{flex:0 0 98px}.panel{background:var(--paper);border:1px solid #e5e5e5;border-radius:var(--radius);padding:24px}.practice-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:22px;align-items:start}.settings{padding:22px;position:sticky;top:20px}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-heading h2{font-size:15px}.text-button{font-size:11px;font-weight:650;text-decoration:underline;text-underline-offset:4px;min-height:32px;padding:4px 0}.modes{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mode{border:1px solid var(--line);border-radius:8px;padding:11px 4px;text-align:center;min-height:64px}.mode>span{display:block;font-size:18px;line-height:1.5;letter-spacing:.02em}.mode strong{font-size:9px;font-weight:600}.mode.selected{background:#f0f0f0;border:1.5px solid var(--ink);padding:10.5px 3.5px}.mode:hover:not(:disabled){border-color:var(--ink)}.helper{font-size:11px;color:var(--muted);line-height:1.65;margin-top:10px}.audio-note{font-size:10px;line-height:1.65;border-left:2px solid var(--accent);padding-left:9px;margin-top:10px;color:var(--muted)}.field-label{display:block;font-size:12px;font-weight:700;margin:19px 0 10px}.field-label small{float:right;color:var(--muted);font-weight:400}input,select{width:100%;border:1px solid #cfcfcf;background:white;color:var(--ink);border-radius:8px;padding:12px;font-size:13px;min-height:44px}select{padding-right:20px}.stepper{display:flex;align-items:center;border:1px solid #cfcfcf;border-radius:8px;overflow:hidden}.stepper input{border:0;text-align:center;width:100%;appearance:textfield;-moz-appearance:textfield;padding:9px}.stepper input::-webkit-inner-spin-button{appearance:none}.step{min-width:44px;height:44px;font-size:22px}.step:hover{background:var(--fog)}.check-line{display:flex;gap:8px;align-items:center;font-size:12px;margin:18px 0 22px}.check-line input{width:16px;min-height:16px;height:16px;accent-color:var(--ink)}.primary,.secondary,.danger{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:12px 20px;border-radius:24px;font-size:12px;font-weight:650;min-height:44px;line-height:1.4;text-align:center}.primary{background:var(--ink);color:white;border:1px solid var(--ink)}.primary:hover{background:#3b3b3b}.secondary{background:transparent;border:1px solid #bcbcbc}.secondary:hover{background:var(--fog)}.danger{color:#9b280c;border:1px solid #bc7968;background:white;margin-top:16px}.start{width:100%;justify-content:space-between}.selection-count{text-align:center;color:var(--muted);font-size:10px;margin-top:10px;line-height:1.5}.starter{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.starter strong{font-size:11px}.starter p{font-size:11px;margin:7px 0}.picker-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:42px}.segments{display:flex;gap:3px;background:#e4e4e4;border-radius:24px;padding:4px}.segments button{font-size:12px;font-weight:650;border-radius:20px;padding:9px 16px}.segments button.selected{background:var(--paper)}.picker-hint{font-size:11px;margin:12px 0 18px;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.category{padding:17px 13px}.category-title{min-height:53px}.category-title h2{font-size:13px}.category-title p{font-size:9px;color:var(--muted);margin-top:5px}.category-select{width:100%;border:1px solid var(--line);border-radius:20px;font-size:10px;font-weight:650;display:flex;justify-content:space-between;align-items:center;padding:10px 13px;margin:7px 0 14px;min-height:36px}.category-select:hover{border-color:var(--ink)}.category-select span{font-size:16px}.group-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.kana-group{position:relative;border:1px solid transparent;background:var(--fog);border-radius:8px;padding:14px 4px 11px;min-width:0;min-height:106px;transition:background .15s,border-color .15s}.kana-group:hover{border-color:#b5b5b5;background:#ededed}.kana-group.selected{border-color:#bdbdbd;background:#eeeeeb}.group-check{position:absolute;right:7px;top:5px;font-size:10px;color:#777}.selected .group-check{color:#aa350d;font-weight:bold}.group-symbol{display:block;font-size:27px;line-height:1.3;font-weight:600;margin-bottom:14px}.kana-row{display:flex;justify-content:center;gap:2px}.kana-row>span{display:flex;flex-direction:column;align-items:center;flex:1;min-width:0}.kana-row b{font-size:12px;font-weight:500;white-space:nowrap}.kana-row small{font-family:system-ui,sans-serif;font-size:8px;color:var(--muted);margin-top:4px}.paired{display:block;font-size:10px;color:var(--muted);margin-top:9px;white-space:nowrap}.bottom-note{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:20px;font-size:10px;color:var(--muted);line-height:1.8}.bottom-note strong{display:block;color:var(--body);font-size:11px}.site-footer{max-width:1264px;margin:0 auto;padding:18px 32px 28px;display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted)}.site-footer button{font-size:10px;text-decoration:underline;text-underline-offset:3px}.resume{display:flex;gap:20px;justify-content:space-between;align-items:center;border-left:3px solid var(--accent);background:white;padding:16px 22px;margin-bottom:20px;font-size:12px;border-radius:8px}.resume strong{display:block;margin-bottom:5px}.storage-alert{padding:12px 25px;background:#fff2e9;color:#84300f;text-align:center;font-size:12px}.page-heading{margin:12px 0 30px;max-width:740px}.page-heading h1{margin:10px 0 14px}.page-heading .secondary{margin-top:20px}.roadmap-layout{display:grid;grid-template-columns:1fr 290px;gap:24px;align-items:start}.days{display:grid;gap:10px}.day{display:flex;align-items:center;gap:20px}.day-number{width:46px;height:46px;flex:0 0 46px;display:grid;place-items:center;background:var(--fog);border-radius:50%;font-size:18px;font-weight:650}.day-number.complete{background:#ffe5d8;color:#9d3008}.day>div:nth-child(2){flex:1}.day small{font-size:9px;letter-spacing:.08em;color:var(--muted)}.day h2{margin:6px 0;font-size:15px}.day p{font-size:11px}.day .secondary{padding:10px 18px}.roadmap-note{position:sticky;top:20px}.roadmap-note>img{display:block;margin:0 auto 18px}.roadmap-note h2{margin-bottom:14px}.roadmap-note p,.roadmap-note li{font-size:12px}.roadmap-note ol{padding-left:18px;line-height:2;color:var(--body);margin:18px 0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.metrics span{font-size:12px;color:var(--muted)}.metrics strong{display:block;font-size:42px;font-weight:600;letter-spacing:-.06em;margin-top:17px}.metrics small{font-size:17px;letter-spacing:0;color:var(--muted);margin-left:4px}.progress-layout{display:grid;grid-template-columns:1fr 310px;gap:24px}.weak-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px;margin-top:20px}.weak-grid>div{display:flex;align-items:center;flex-direction:column;background:var(--fog);border-radius:8px;padding:16px 7px;gap:6px}.weak-grid b{font-size:27px}.weak-grid span{font-size:11px}.weak-grid small{font-size:9px;color:var(--muted)}.empty{padding:40px 15px;text-align:center}.empty>span{font-size:40px;display:block;margin-bottom:20px}.empty p{font-size:12px;margin:10px auto 22px;max-width:350px}.history{margin-top:20px}.history>div{display:flex;justify-content:space-between;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);font-size:12px}.history small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.os-note{margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:35px}.os-note h2{margin:8px 0 12px}.os-note p:not(.eyebrow){max-width:650px;font-size:12px}.os-note .secondary{flex-shrink:0}.guide-intro{max-width:720px;margin-bottom:25px}.guide-intro p{margin-top:10px}.guide-tips{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.guide-tips p{font-size:12px;margin-top:10px}details.panel{margin-bottom:22px}summary{font-size:13px;font-weight:650;cursor:pointer}details p{font-size:12px;margin-top:14px}.guide-tables{display:grid;grid-template-columns:1fr 1fr;gap:24px}.guide-tables h2{font-size:24px;margin-bottom:24px}.guide-tables h3{margin:20px 0 12px}.chart{display:grid;gap:6px}.chart-row{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.chart-row span{display:flex;flex-direction:column;align-items:center;background:var(--fog);padding:10px 2px;border-radius:4px}.chart-row b{font-size:25px;font-weight:500}.chart-row small{font-size:10px;color:var(--muted);margin-top:4px}dialog{border:1px solid var(--line);border-radius:16px;padding:28px;max-width:480px;width:calc(100% - 32px);max-height:calc(100dvh - 40px);color:var(--ink);box-shadow:0 16px 60px #0002}dialog::backdrop{background:rgb(25 25 25 / .35);backdrop-filter:blur(3px)}.modal-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.modal-top h2{font-size:22px}.close{font-size:26px;min-width:36px;min-height:36px}.welcome-pijar{display:block;margin:0 auto 10px}dialog p{font-size:13px;margin-bottom:14px}dialog .primary{margin-top:8px}.local-disclosure{background:var(--fog);border-radius:8px;padding:16px;margin:18px 0}.local-disclosure strong{font-size:12px}.local-disclosure p{font-size:11px;margin:6px 0 0}.plain-list{font-size:12px;line-height:1.9;color:var(--body);padding-left:20px}.actions{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}.session-wrap{max-width:730px;margin:12px auto}.session-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:14px;font-size:11px}.session-top strong{white-space:nowrap}.session-top .text-button{text-decoration:none}progress{width:100%;height:5px;display:block;border:0;background:#dedede;border-radius:10px;overflow:hidden;margin-bottom:25px}progress::-webkit-progress-bar{background:#dedede}progress::-webkit-progress-value{background:var(--accent);border-radius:10px}progress::-moz-progress-bar{background:var(--accent)}.question{text-align:center;min-height:430px;padding:32px 55px}.question-label{font-size:13px}.question-kana{font-family:'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;font-size:112px;font-weight:500;line-height:1.5;padding:10px 0;overflow-wrap:anywhere}.question-kana[lang=en]{font-family:Jakarta,system-ui,sans-serif;font-size:85px}.serif-kana:not([lang=en]){font-family:'Hiragino Mincho ProN','Yu Mincho',serif}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0}.choice{border:1px solid var(--line);border-radius:8px;padding:18px;display:flex;align-items:center;gap:15px;min-height:68px}.choice small{font-size:10px;background:var(--fog);width:23px;height:23px;border-radius:6px;display:grid;place-items:center}.choice span{flex:1;font-size:23px;margin-right:23px}.choice:hover{border-color:var(--ink);background:var(--fog)}#answer-form{display:flex;gap:12px;margin:16px 0}#answer-form input{flex:1;min-width:0;font-size:22px;text-align:center}#answer-form button{white-space:nowrap}.skip-question{margin-top:20px;color:var(--muted)}.session-footnote{text-align:center;font-size:11px;margin-top:20px}.feedback{padding:22px;border-radius:8px;background:var(--fog);margin-top:10px}.feedback.correct{border-top:3px solid #416647}.feedback.incorrect{border-top:3px solid var(--accent)}.feedback strong{font-size:14px}.feedback p{font-size:12px;margin:8px 0 14px}.answer-pair{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:12px}.answer-pair b{font-size:40px;font-weight:500}.answer-pair span{font-size:22px}.draw-area{position:relative;max-width:400px;margin:10px auto;background:var(--fog);border:1px solid var(--line);border-radius:8px;overflow:hidden;background-image:linear-gradient(transparent 49.7%,#ddd 49.7%,#ddd 50.3%,transparent 50.3%),linear-gradient(90deg,transparent 49.7%,#ddd 49.7%,#ddd 50.3%,transparent 50.3%)}canvas{display:block;width:100%;aspect-ratio:1.6;touch-action:none;cursor:crosshair}#draw-answer{background:white;border-top:1px solid var(--line);padding:12px}#draw-answer span,#draw-answer small{display:block;font-size:10px;color:var(--muted)}#draw-answer b{font-size:48px;font-weight:500}#self-check{margin-top:22px}.listen-button{display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;width:135px;height:135px;margin:22px 0 5px;background:var(--fog);border:1px solid var(--line);border-radius:50%;font-size:45px}.listen-button span{font-size:11px}.result{max-width:780px;margin:20px auto;text-align:center;padding:35px}.result h1{font-size:32px;margin:12px 0}.result>p{max-width:510px;margin:12px auto}.result-score{background:var(--fog);border-radius:8px;padding:24px;margin:26px 0}.result-score strong{display:block;font-size:64px;font-weight:600;letter-spacing:-.06em}.result-score span{font-size:12px;color:var(--muted)}.mistake-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:20px 0}.mistake-chips span{background:var(--fog);padding:9px 14px;border-radius:8px;font-size:12px}.mistake-chips b{font-size:20px;font-weight:500;margin-right:7px}.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}[hidden]{display:none!important}
@media(min-width:1400px){.site-header{max-width:1392px}main,.site-footer{max-width:1328px}.category-title h2{font-size:14px}.kana-row b{font-size:14px}.kana-row small{font-size:9px}}
@media(max-width:1100px){.site-header{padding:18px 24px;gap:15px}.brand{font-size:18px}.brand small{font-size:7px}nav button{padding:10px 13px}.practice-layout{grid-template-columns:235px minmax(0,1fr);gap:16px}.settings{padding:18px}.category-grid{gap:9px}.category{padding:15px 10px}.group-grid{grid-template-columns:1fr}.kana-row b{font-size:15px}.kana-row small{font-size:10px}.kana-group{min-height:103px}.group-symbol{margin-bottom:10px}.category-title{min-height:64px}.category-title h2{font-size:12px}.category-title p{font-size:9px}.companion{max-width:280px}.companion img{width:78px;height:78px;flex-basis:78px}.progress-layout{grid-template-columns:1fr 270px}}
@media(max-width:760px){.site-header{padding:16px 20px;min-height:70px}.brand{font-size:19px}.brand small{font-size:7px}nav{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);z-index:10;width:calc(100% - 28px);max-width:470px;justify-content:space-around;background:#fff;border:1px solid #d5d5d5;padding:6px;box-shadow:0 4px 25px #0001}nav button{padding:13px 9px;font-size:11px;flex:1}nav button.active{background:#ededed}.profile{max-width:115px}.profile span{font-size:11px;max-width:75px}main{padding:15px 20px 28px;min-height:calc(100dvh - 240px)}.intro{display:block;margin:6px 0 20px}.intro h1{font-size:32px;letter-spacing:-.045em;margin:8px 0 9px}.intro>div>p:not(.eyebrow){font-size:12px;max-width:300px}.companion{max-width:none;gap:12px;margin:18px 0 0;padding:11px 15px;background:#e5e5e2;border-radius:8px}.companion img{width:54px;height:54px;flex-basis:54px}.companion strong{font-size:12px}.companion span{font-size:11px;margin:1px 0 0}.practice-layout{display:flex;flex-direction:column;gap:20px}.settings{position:static;width:100%;padding:18px}.settings fieldset{margin:18px 0}.modes{grid-template-columns:repeat(3,1fr)}.mode{min-height:66px}.mode strong{font-size:10px}.settings .field-label{margin-top:14px}.settings .starter{display:none}.settings .check-line{margin:14px 0}.settings .start{justify-content:center}.kana-picker{width:100%}.segments button{padding:10px 13px;font-size:11px}.picker-toolbar>.text-button{font-size:10px}.picker-hint{font-size:10px}.category-grid{grid-template-columns:1fr;gap:16px}.category{padding:18px}.category-title{min-height:auto;margin-bottom:14px}.category-title h2{font-size:17px}.category-title p{font-size:11px}.category-select{font-size:11px;min-height:40px}.group-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.kana-group{min-height:114px;padding:16px 8px}.kana-row{gap:4px}.kana-row b{font-size:17px}.kana-row small{font-size:10px}.group-symbol{font-size:30px}.group-check{right:9px;top:7px}.bottom-note{align-items:flex-start;font-size:10px}.bottom-note strong{font-size:10px}.site-footer{padding:15px 20px 100px;flex-wrap:wrap;font-size:9px}.site-footer>span:last-child{width:100%;margin-top:3px}.site-footer button{font-size:9px}.resume{padding:15px;gap:12px;flex-wrap:wrap;font-size:11px}.resume .primary{width:100%}.roadmap-layout,.progress-layout{grid-template-columns:1fr}.roadmap-note{position:static}.day{padding:18px 14px;gap:12px;flex-wrap:wrap}.day-number{width:36px;height:36px;flex-basis:36px;font-size:14px}.day>div:nth-child(2){min-width:200px}.day h2{font-size:14px}.day .secondary{margin-left:48px;min-height:38px;padding:8px 18px;font-size:11px}.page-heading{margin:10px 0 25px}.page-heading h1{font-size:30px}.page-heading p:not(.eyebrow){font-size:12px}.metrics{grid-template-columns:1fr 1fr;gap:10px}.metrics .panel{padding:18px}.metrics span{font-size:10px}.metrics strong{font-size:34px;margin-top:13px}.os-note{display:block;padding:22px}.os-note .secondary{margin-top:18px}.guide-tips,.guide-tables{grid-template-columns:1fr}.guide-tables .panel{padding:18px}.guide-intro p{font-size:12px}.session-wrap{margin-top:8px}.session-top{gap:10px;font-size:9px;flex-wrap:wrap}.session-top .text-button{font-size:10px}.session-top>span{order:3;width:100%;text-align:center}.question{padding:25px 18px;min-height:380px}.question-label{font-size:12px}.question-kana{font-size:90px;padding:12px 0}.question-kana[lang=en]{font-size:66px}.choice{padding:12px;min-height:62px;gap:8px}.choice span{font-size:22px;margin-right:15px}#answer-form{flex-direction:column}.session-footnote{font-size:10px}.result{padding:25px 18px;margin:12px 0}.result h1{font-size:28px}.result>p{font-size:12px}.result-score strong{font-size:52px}.result .actions>*{width:100%}dialog{padding:22px}.modal-top h2{font-size:20px}.roadmap-note>img{width:100px;height:100px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{body{background:white}header,nav,.site-footer,.no-print{display:none!important}main{padding:0;max-width:none}.panel{border:0;padding:0}.guide-tables{display:block}.guide-tables>section{break-before:page}.chart-row{break-inside:avoid}.guide-tips{display:block}.guide-tips article{margin:20px 0}.page-heading h1{font-size:30px}.chart-row span{padding:4px;background:none}.chart-row b{font-size:20px}.guide-tables h3{margin:12px 0 6px}.guide-tables h2{margin-bottom:10px}a{color:inherit}details{display:block}p{font-size:11px}@page{size:A4;margin:15mm}}
@media print{.chart{grid-template-columns:1fr 1fr;gap:6px 16px}.guide-tables>section{break-inside:avoid}.guide-tables h2{font-size:24px}.guide-tables h3{font-size:13px}.chart-row b{font-size:18px}.chart-row small{font-size:8px;margin-top:2px}.chart-row span{padding:3px 0}.chart-row{gap:3px}}