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p{color:var(--muted);font-size:13px}.settings-form{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.settings-form>label{margin-top:7px;font-size:12px;font-weight:500}.settings-form input:not([type=checkbox]),.settings-form select{background:var(--surface);border:1px solid var(--field-border);width:100%;max-width:420px;height:46px;color:var(--ink);border-radius:5px;padding:8px 12px;font-size:16px}.settings-form>button{margin-top:8px}.appearance-fieldset{width:100%;max-width:420px}.segmented.appearance-options,.segmented.training-size-options{grid-template-columns:repeat(3,minmax(0,1fr))}.appearance-options label{justify-content:center;align-items:center;gap:8px;display:flex}.appearance-fieldset p{margin:12px 0 0}@media (min-width:901px){.device-status{justify-content:flex-end;width:112px}}.settings-form>small{font-size:11px;line-height:1.6}.checkbox-label{align-items:center;gap:12px;min-height:44px;display:flex}.checkbox-label 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.game-topline{margin-bottom:7px}.keyboard-open .timer-line{margin-top:8px}.keyboard-open .kana-stage{height:174px}.keyboard-open .kana-character{min-height:84px;font-size:64px}.keyboard-open .kana-character.long-word{font-size:clamp(20px,9vw,40px)}.keyboard-open .feedback{height:20px;margin-bottom:3px}.keyboard-open .input-shell input{height:44px}.keyboard-open .game-buttons{margin-top:8px}.keyboard-open .game-buttons .button{min-height:44px}}@media (max-width:900px){.site-header{padding:0 24px}.device-status{display:none}.main{padding:38px 28px}.intro h1{font-size:40px}.kana-art{transform-origin:100%;width:215px;transform:scale(.9)}.mode-option{gap:9px;padding:18px 12px}.mode-copy small{font-size:9px}.mode-glyph{font-size:28px}.mode-option.all .mode-glyph{font-size:21px}.result-layout{gap:30px}.big-score{font-size:48px}.site-footer{margin:0 28px}}@media (max-width:640px){.site-header{height:72px;padding:0 22px}.brand{font-size:20px}.device-status{font-size:10px;display:flex}.brand-mark{width:31px;height:32px;font-size:23px}.site-header nav{z-index:20;border-top:1px solid var(--line);background:var(--bg);padding:6px 10px calc(6px + env(safe-area-inset-bottom));justify-content:space-around;gap:4px;position:fixed;bottom:0;left:0;right:0}.site-header nav a{flex-direction:column;flex:1;gap:4px;min-width:0;min-height:49px;padding:6px 2px;font-size:9px;display:flex}.site-header nav a svg{width:20px;height:20px}.main{min-height:calc(100svh - 178px);padding:30px 22px 24px}.intro{align-items:flex-start;gap:0;min-height:219px;padding:0 0 29px;position:relative}.intro-copy{z-index:2;position:relative}.intro h1{margin-bottom:14px;font-size:34px;line-height:1.17}.intro-copy p{max-width:245px;margin-bottom:19px;font-size:12px;line-height:1.65}.eyebrow{letter-spacing:0;margin-bottom:16px;font-size:9px}.tiny-line{width:15px}.intro-meta{gap:10px;font-size:9px}.intro-meta svg{width:13px}.kana-art{z-index:0;width:88px;height:155px;display:none;position:absolute;top:53px;right:0;transform:none}.art-kana{width:60px;height:75px;font-size:43px}.art-one{top:9px;left:0}.art-two{top:69px;right:-2px}.art-label,.art-caption,.art-spark{display:none}.intro-copy h1{max-width:280px}.configure-section{padding-top:24px}.section-title{margin-bottom:23px}.section-title h2{font-size:17px}.section-title>div{gap:8px}.step-number{width:22px;height:22px;font-size:9px}.tag{font-size:9px}.mode-options{gap:8px}.mode-option{flex-direction:column;align-items:flex-start;gap:10px;min-height:126px;padding:18px 12px 14px}.mode-glyph{height:36px;font-size:31px;line-height:1.15}.mode-option.all .mode-glyph{padding-top:4px;font-size:25px}.mode-copy{gap:5px}.mode-copy strong{font-size:12px}.mode-copy small{font-size:8px;line-height:1.4}.radio-mark{width:13px;height:13px;top:8px;right:8px}.challenge-details{grid-template-columns:1fr;gap:15px;padding:24px 0}.challenge-details>div{align-items:center;gap:11px}.challenge-details span{flex-flow:wrap;align-items:baseline;gap:8px}.challenge-details strong{font-size:11px}.challenge-details small{font-size:10px}.challenge-details svg{width:15px;height:16px;margin:0}.start-row{flex-direction:column;align-items:stretch;gap:16px;padding:20px 0 25px}.start-row p{font-size:12px}.start-row small{font-size:10px}.start-button{width:100%;min-height:49px}.start-button svg:last-child{margin-left:auto}.start-button svg:first-child{margin-right:auto}.lower-band{flex-direction:column;align-items:flex-start;gap:9px;padding:21px 0}.lower-band p{font-size:10px}.lower-band h3{font-size:12px}.lower-band>a{align-self:flex-end;min-height:44px}.footer-note{margin-top:19px;font-size:8px;line-height:1.6}.site-footer{height:80px;padding:0 0 env(safe-area-inset-bottom);flex-wrap:wrap;gap:12px;margin:0 22px 70px;font-size:9px}.site-footer>span:nth-child(2){display:none}.section-heading h1{font-size:34px}.section-heading p{font-size:12px}.segmented{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented label{font-size:11px}.daily-return{flex-wrap:wrap;gap:13px;padding:16px 0 30px}.daily-return .button{width:100%}.daily-return h3{font-size:15px}.daily-return p{font-size:11px}.active-main{padding-top:23px}.game-topline{margin-bottom:15px}.timer-line{margin-top:22px}.timer{font-size:24px}.penalty{font-size:9px}.kana-stage{height:230px}.kana-character{min-height:145px;font-size:112px}.game-stage .eyebrow{font-size:8px}.feedback{height:28px;margin-bottom:6px}.answer-form>label{margin-bottom:8px;font-size:10px}.input-shell input{height:50px;font-size:22px}.game-buttons .button{min-height:48px;padding:11px 14px}.keyboard-hint{display:none}.game-buttons{margin-top:12px}.active-main~.site-footer{display:none}.game-stage{padding-bottom:78px}.countdown-stage{padding:45px 0 80px}.countdown-stage h1{font-size:28px}.countdown{height:190px;font-size:110px}.result-layout{grid-template-columns:1fr;gap:20px}.score-panel{padding-top:0}.score-panel .eyebrow{margin-bottom:6px}.big-score{font-size:55px}.result-stats{margin-bottom:0}.share-card{justify-self:center;width:100%;max-width:330px}.result-actions{flex-direction:column}.result-actions .button{width:100%}.review-section h2{font-size:17px}.missed-item{min-width:75px;padding:12px}.progress-summary{gap:12px;padding:23px 0}.progress-summary strong{font-size:28px}.progress-summary span{font-size:10px;line-height:1.5}.progress-section h2{font-size:18px}.history-row{gap:14px;font-size:11px}.rhythm{gap:5px}.rhythm small{font-size:7px}.settings-section h2{font-size:18px}.settings-section p{font-size:12px}.notice{padding:11px 13px;font-size:12px}.settings-form input:not([type=checkbox]),.settings-form select{max-width:100%}}@media (max-width:370px){.main{padding-left:16px;padding-right:16px}.intro h1{font-size:30px}.intro-copy p{max-width:218px;font-size:11px}.kana-art{width:66px;top:64px}.art-kana{width:48px;height:63px;font-size:35px}.art-two{top:62px}.mode-option{padding:19px 9px 12px}.mode-copy small{font-size:8px}.challenge-details span{gap:5px}.challenge-details small{font-size:9px}.site-header{padding:0 16px}.brand{font-size:18px}.device-status{font-size:8px}.big-score{font-size:46px}.penalty{font-size:8px}.section-title h2{font-size:16px}}@media (max-height:650px){.active-main{padding-top:16px}.game-stage{padding-bottom:12px}.game-topline{margin-bottom:9px}.timer-line{margin-top:12px}.kana-stage{height:155px}.kana-character{min-height:72px;font-size:56px}.feedback{height:23px;margin-bottom:4px}.keyboard-hint{margin:12px 0}.game-buttons{margin-top:10px}.active-main .restart{margin-top:10px!important}}@media (max-height:450px) and (orientation:landscape){.site-header{height:52px}.active-main{max-width:850px;padding-top:12px}.game-stage{grid-template-columns:1fr 1fr;column-gap:28px;display:grid;position:relative}.game-topline,.progress-track{grid-column:1/-1}.timer-line{grid-area:3/1}.kana-stage{grid-area:4/1/6;height:170px}.feedback{grid-area:3/2;margin-top:10px}.answer-form{grid-area:4/2/6;width:100%;padding-top:14px}.keyboard-hint,.penalty{display:none}}.sentences-page{max-width:920px;margin:0 auto}.sentences-intro{align-items:center;gap:40px;padding:12px 0 38px;display:flex}.sentences-intro>div:first-child{flex:1}.sentences-intro h1{margin:16px 0;font-size:clamp(32px,4vw,48px)}.sentences-intro h1>span{color:var(--primary)}.sentences-intro p{max-width:520px;color:var(--muted);line-height:1.8}.sentences-meta{color:var(--teal);flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;font-weight:600;display:flex}.sentences-art{background:var(--violet-soft);border:1px solid var(--line);width:220px;min-height:195px;color:var(--primary);border-radius:70px 70px 16px 16px;flex-direction:column;justify-content:center;align-items:center;gap:22px;display:flex;transform:rotate(3deg)}.sentences-art span:first-child{font-family:var(--font-jp);font-size:30px}.sentences-art span:last-child{letter-spacing:1.5px;font-size:8px}.sentence-guide{border-top:1px solid var(--line);padding:22px 0}.sentence-guide>span{color:var(--primary);letter-spacing:1px;font-size:10px;font-weight:700}.sentence-guide p{color:var(--muted);margin:9px 0 0;font-size:12px;line-height:1.7}.sentence-sections{gap:14px;display:grid}.sentence-section{background:var(--surface);border:1px solid var(--line);border-radius:12px}.sentence-section summary{cursor:pointer;border-radius:12px;align-items:center;gap:18px;padding:23px;list-style:none;display:flex}.sentence-section summary::-webkit-details-marker{display:none}.sentence-section summary:hover{background:var(--hover)}.sentence-section-glyph{background:var(--teal-soft);width:58px;height:58px;color:var(--teal);font-family:var(--font-jp);border-radius:12px;flex-shrink:0;place-items:center;font-size:17px;display:grid}.sentence-section-heading{flex:1;min-width:0}.sentence-section-heading h2{margin:0 0 7px;font-size:17px;line-height:1.4}.sentence-section-heading>span{color:var(--muted);font-size:12px;line-height:1.5}.sentence-count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.sentence-chevron{color:var(--primary);flex-shrink:0}.sentence-section[open] .sentence-chevron{transform:rotate(180deg)}.sentence-list{margin:0;padding:0 26px;list-style:none}.sentence-list li{border-top:1px solid var(--line);gap:22px;padding:24px 0;display:flex}.sentence-number{color:var(--muted);font-variant-numeric:tabular-nums;padding-top:7px;font-size:11px}.sentence-list li>div{min-width:0}.sentence-japanese{font-family:var(--font-jp);overflow-wrap:anywhere;margin-bottom:5px;font-size:23px;line-height:1.8}.sentence-romaji{color:var(--primary);margin-bottom:6px;font-size:14px;line-height:1.7}.sentence-english{color:var(--muted);margin-bottom:0;font-size:13px;line-height:1.7}.sentences-footnote{text-align:center;color:var(--muted);margin:26px 0 0;font-size:12px;line-height:1.7}@media (min-width:641px) and (max-width:1100px){.site-header{gap:12px;padding-inline:24px}.site-header .device-status{display:none}.site-header nav{gap:2px}.site-header nav a{gap:5px;padding-inline:8px}}@media (min-width:641px) and (max-width:800px){.site-header nav a{flex-direction:column;justify-content:center;font-size:10px}}@media (max-width:640px){.site-header nav{gap:0;padding-inline:4px}.sentences-intro{padding-top:0;padding-bottom:26px}.sentences-art{display:none}.sentence-section summary{gap:10px;padding:16px 12px}.sentence-section-glyph{width:38px;height:44px;font-size:12px}.sentence-section-heading h2{font-size:14px}.sentence-section-heading>span{font-size:11px}.sentence-count{display:none}.sentence-list{padding-inline:16px}.sentence-list li{gap:12px;padding-block:20px}.sentence-japanese{font-size:20px}}.auth-gate{grid-template-columns:1fr 1fr;align-items:center;gap:clamp(2rem,6vw,5rem);padding:clamp(2rem,6vw,5rem) 0;display:grid}.auth-gate-copy h1{letter-spacing:-.045em;margin:1rem 0;font-size:clamp(2.4rem,5vw,4rem);line-height:1.08}.auth-gate-copy>p{margin-bottom:1.5rem;line-height:1.8}.auth-card{border:1px solid var(--line);border-radius:24px;padding:clamp(1.25rem,3vw,2.5rem)}.auth-card h2{margin:1.25rem 0 .75rem;font-size:1.4rem}.auth-card>p{line-height:1.6}.sign-in-options{margin-top:1.5rem}.social-sign-in{gap:.75rem;display:grid}.social-sign-in .button{justify-content:center;width:100%}.provider-mark{text-align:center;width:20px;font-size:1.25rem;font-weight:700}.auth-footnote{opacity:.75;margin-top:1.5rem;font-size:.8rem}@media (max-width:760px){.auth-gate{grid-template-columns:minmax(0,1fr);gap:2rem}.auth-gate-copy h1{max-width:13ch}}.mastery-list{gap:20px;margin:24px 0;padding:0;list-style:none;display:grid}.mastery-list li{gap:8px;min-width:0;font-size:13px;display:grid}.mastery-list li>span{font-weight:600}.mastery-list small{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}.mastery-list meter{appearance:none;background:var(--line);border:0;border-radius:2px;width:100%;height:6px;display:block;overflow:hidden}.mastery-list meter::-webkit-meter-bar{background:var(--line);height:6px;box-shadow:none;border:0;border-radius:2px}.mastery-list meter::-webkit-meter-optimum-value{background:var(--teal);border-radius:2px}.mastery-list meter::-moz-meter-bar{background:var(--teal);border-radius:2px}@media 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