*,:before,:after,::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:#3b82f680;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border:0 solid #e5e7eb}:before,:after{--tw-content:""}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent;font-family:Geist Sans,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}body{line-height:inherit;margin:0}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-feature-settings:normal;font-variation-settings:normal;font-family:Geist Mono,ui-monospace,SFMono-Regular,monospace;font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-feature-settings:inherit;font-variation-settings:inherit;font-family:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:#0000;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{margin:0;padding:0;list-style:none}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg);min-height:100dvh;color:var(--color-ink);margin:0;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;transition:background-color .3s,color .3s;overflow-x:hidden}.block{display:block}.inline{display:inline}.grid{display:grid}.grow{flex-grow:1}.shadow{--tw-shadow:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--tw-shadow-colored:0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow,0 0 #0000), var(--tw-ring-shadow,0 0 #0000), var(--tw-shadow)}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}:root{--color-bg:#f8f7f4;--color-surface:#fff;--color-surface-raised:#fafaf9;--color-ink:#1c1917;--color-ink-secondary:#57534e;--color-ink-muted:#8c8882;--color-border:#e7e5e4;--color-border-strong:#d6d3d1;--color-accent:#4f46e5;--color-accent-soft:#eef2ff;--color-accent-warm:#d97706;--color-accent-warm-soft:#fef3c7;--color-success:#059669;--color-success-soft:#ecfdf5;--color-shadow-sm:0 1px 2px #0000000a;--color-shadow:0 4px 12px #0000000f;--color-shadow-lg:0 12px 40px #00000014;--color-glass:#ffffffd1;--color-glass-border:#0000000f}.dark{--color-bg:#0f0e17;--color-surface:#1a1826;--color-surface-raised:#232034;--color-ink:#f4f3f0;--color-ink-secondary:#c4c0b8;--color-ink-muted:#787570;--color-border:#2a2838;--color-border-strong:#3d3a4a;--color-accent:#818cf8;--color-accent-soft:#1e1b4b;--color-accent-warm:#fbbf24;--color-accent-warm-soft:#451a03;--color-success:#34d399;--color-success-soft:#064e3b;--color-shadow-sm:0 1px 2px #0003;--color-shadow:0 4px 12px #0000004d;--color-shadow-lg:0 12px 40px #0006;--color-glass:#1a1826d1;--color-glass-border:#ffffff14}.ambient{z-index:-1;filter:blur(80px);opacity:.5;pointer-events:none;transition:opacity .5s;position:fixed}.ambient-one{background:linear-gradient(135deg, var(--color-accent-warm), var(--color-accent));border-radius:42% 58% 70% 30%;width:420px;height:420px;animation:12s ease-in-out infinite float;top:80px;right:-140px}.ambient-two{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-warm));border-radius:55% 45% 35% 65%;width:320px;height:320px;animation:14s ease-in-out infinite reverse float;bottom:-140px;left:180px}.dark .ambient{opacity:.35}.shell{grid-template-columns:260px minmax(0,1fr);min-height:100dvh;display:grid}.sidebar{background:var(--color-glass);border-right:1px solid var(--color-glass-border);-webkit-backdrop-filter:blur(24px);flex-direction:column;gap:24px;height:100dvh;padding:28px;transition:background .3s;display:flex;position:sticky;top:0}.brand{color:var(--color-ink);flex-direction:column;gap:6px;text-decoration:none;display:flex}.brand-mark{background:linear-gradient(135deg, var(--color-accent-warm), var(--color-accent-warm-soft));width:72px;height:54px;color:var(--color-ink);border-radius:18px;place-items:center;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:22px;font-weight:800;transition:transform .2s;display:grid;transform:rotate(-2deg);box-shadow:0 8px 24px #d977062e}.brand-mark:hover{transform:rotate(0)scale(1.05)}.brand strong{letter-spacing:-.02em;color:var(--color-ink);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:20px;font-weight:700}.brand small{letter-spacing:.04em;text-transform:uppercase;color:var(--color-ink-muted);font-size:12px;font-weight:500}.sidebar nav{flex-direction:column;flex:1;gap:2px;display:flex;overflow-y:auto}.sidebar nav a{color:var(--color-ink-secondary);border-radius:10px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:block}.sidebar nav a:hover{background:var(--color-accent-soft);color:var(--color-accent)}.side-mission{background:var(--color-accent-soft);border:1px solid var(--color-border);border-radius:14px;padding:14px}.side-mission p{color:var(--color-ink-secondary);margin:6px 0 0;font-size:12px;line-height:1.5}.badge{letter-spacing:.04em;text-transform:uppercase;background:var(--color-accent-soft);color:var(--color-accent);border-radius:999px;align-items:center;gap:4px;padding:3px 10px;font-size:11px;font-weight:700;transition:all .2s;display:inline-flex}.badge.hot{background:var(--color-accent-warm-soft);color:var(--color-accent-warm)}.badge.green{background:var(--color-success-soft);color:var(--color-success)}.badge.pulse{animation:2s ease-in-out infinite pulseSoft}.card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--color-shadow-sm);border-radius:1rem;padding:24px;transition:all .25s}.card:hover{box-shadow:var(--color-shadow);border-color:var(--color-border-strong);transform:translateY(-2px)}.glass{background:var(--color-glass);border:1px solid var(--color-glass-border);-webkit-backdrop-filter:blur(20px);border-radius:1.25rem;padding:32px;transition:background .3s}.hero{grid-template-columns:1fr;gap:24px;display:grid}.hero .glass{padding:36px}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent);margin:0 0 8px;font-size:12px;font-weight:700}.eyebrow.dark{color:var(--color-ink-muted)}.hero h1{letter-spacing:-.03em;color:var(--color-ink);margin:0 0 12px;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;line-height:1.2}.lead{color:var(--color-ink-secondary);margin:0 0 20px;font-size:16px;line-height:1.65}.btn{cursor:pointer;background:var(--color-accent);color:#fff;border:none;border-radius:12px;align-items:center;gap:6px;padding:10px 20px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex;box-shadow:0 2px 6px #4f46e540}.btn:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 4px 14px #4f46e559}.btn.secondary{background:var(--color-surface);color:var(--color-accent);border:1px solid var(--color-border-strong);box-shadow:none}.btn.secondary:hover{border-color:var(--color-accent);background:var(--color-accent-soft);box-shadow:none}.mission-row{flex-wrap:wrap;gap:10px;margin-top:4px;display:flex}.api-pill{letter-spacing:.02em;background:var(--color-accent-soft);color:var(--color-accent);border-radius:999px;padding:4px 12px;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11px;font-weight:600;display:inline-block}.quest-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--color-shadow-sm);border-radius:1.25rem;padding:24px;transition:all .25s}.quest-card:hover{box-shadow:var(--color-shadow);border-color:var(--color-border-strong)}.quest-card h2,.quest-card h3{color:var(--color-ink);font-weight:700}.quest-card.wayground-note{border-color:var(--color-accent)}.quest-card.stage{align-items:flex-start;gap:16px;display:flex}.stage-icon{background:var(--color-accent-soft);border-radius:14px;place-items:center;min-width:44px;height:44px;font-size:28px;display:grid}.quest-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.grid .card{padding:24px}.two{grid-template-columns:1fr 1fr;gap:20px;display:grid}.big-number{letter-spacing:-.04em;color:var(--color-accent);font-size:2.5rem;font-weight:800;line-height:1}.progress{border:1px solid var(--color-border-strong);background:0 0;border-radius:3px;height:6px;margin:8px 0;overflow:hidden}.progress .bar{background:linear-gradient(90deg, var(--color-accent), var(--color-accent-warm));border-radius:3px;height:100%;transition:none}.lesson-section{margin-top:28px}.lesson-section h2{color:var(--color-ink);margin:0 0 16px;font-size:1.25rem;font-weight:700}.jp{color:var(--color-ink);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:2.5rem;font-weight:800;line-height:1.3}.card .jp{font-size:2rem}.pronunciation{background:var(--color-accent-soft);border:1px solid var(--color-border);color:var(--color-ink);border-radius:12px;gap:4px;margin:8px 0;padding:10px 14px;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:15px;font-weight:600;line-height:1.4;display:grid}.pronunciation span{text-transform:uppercase;letter-spacing:.08em;color:var(--color-accent);font-size:10px;font-weight:700}.pronunciation.compact{margin:6px 0;font-size:13px}.pronunciation.inline{border-radius:999px;margin:2px 0 0;padding:3px 8px;font-size:12px;font-weight:600;display:inline-block}.word-list{flex-wrap:wrap;gap:6px;margin:10px 0;display:flex}.word-chip{background:var(--color-accent-warm-soft);border:1px solid var(--color-border);border-radius:10px;gap:1px;padding:6px 10px;font-size:14px;transition:all .15s;display:grid}.word-chip:hover{box-shadow:var(--color-shadow-sm);transform:translateY(-1px)}.word-chip b{color:var(--color-ink)}.word-chip small{color:var(--color-accent-warm);font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11px;font-weight:600}.mini-study-card{border-top:1px solid var(--color-border);padding:16px 0}.mini-study-card:first-of-type{border-top:0}.romaji-block{background:var(--color-accent-soft);border:1px solid var(--color-border);color:var(--color-ink);white-space:pre-wrap;border-radius:10px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:14px;font-weight:600;line-height:1.6}.example-list{gap:10px;margin:8px 0;padding:0;list-style:none;display:grid}.jp-example{color:var(--color-ink);font-size:17px;font-weight:700;line-height:1.5}.quiz-item button{border:1px solid var(--color-border-strong);background:var(--color-surface);width:100%;color:var(--color-ink);cursor:pointer;text-align:left;border-radius:12px;margin:6px 0;padding:10px 16px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:14px;font-weight:500;transition:all .15s;display:block}.quiz-item button:hover{background:var(--color-accent-soft);border-color:var(--color-accent)}.feedback{min-height:20px;margin-top:8px;font-size:14px;font-weight:600}.practice-hero{grid-template-columns:minmax(0,1.5fr) minmax(300px,.75fr);align-items:end;gap:32px;display:grid}.practice-hero h1{letter-spacing:-.04em;margin:0 0 10px;font-size:clamp(2rem,4vw,3.4rem);line-height:1}.practice-hero .lead{max-width:70ch;margin-bottom:0}.practice-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin:0;display:grid}.practice-stats div{background:var(--color-surface);border:1px solid var(--color-border);border-radius:14px;padding:16px}.practice-stats dt{color:var(--color-accent);font-size:1.6rem;font-weight:800}.practice-stats dd{color:var(--color-ink-secondary);margin:4px 0 0;font-size:12px}.practice-setup,.source-note{margin-top:20px}.practice-setup{grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);align-items:end;gap:28px;display:grid}.practice-setup h2,.source-note h2,.session-result h2{margin:0 0 8px}.practice-controls{grid-template-columns:repeat(2,minmax(170px,1fr)) auto;align-items:end;gap:12px;display:grid}.practice-controls label{gap:7px;display:grid}.practice-controls label span{color:var(--color-ink-secondary);font-size:12px;font-weight:700}.practice-controls select{border:1px solid var(--color-border-strong);background:var(--color-surface);min-height:42px;color:var(--color-ink);font:inherit;border-radius:10px;padding:0 12px}.practice-controls select:focus{outline:3px solid var(--color-accent-soft);border-color:var(--color-accent)}.practice-error{color:#b42318;grid-column:1/-1;margin:0;font-weight:600}.session-panel{margin-top:20px}.session-toolbar{z-index:2;background:var(--color-glass);backdrop-filter:blur(18px);align-items:center;gap:28px;padding:14px 18px;display:flex;position:sticky;top:16px}.session-toolbar>div{gap:2px;display:grid}.session-toolbar strong{font-size:1.25rem}.session-toolbar .btn{margin-left:auto}.practice-question-list{flex-direction:column;gap:16px;margin-top:16px;display:flex}.practice-question{scroll-margin-top:96px}.practice-question:hover{transform:none}.question-meta{color:var(--color-ink-muted);flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:12px;display:flex}.question-pattern{color:var(--color-ink-secondary);margin:18px 0 6px;font-size:13px}.practice-question h2{margin:8px 0 18px;font-size:clamp(1.1rem,2vw,1.35rem);line-height:1.55}.choice-list{gap:8px;display:grid}.choice-list button{border:1px solid var(--color-border-strong);background:var(--color-surface);width:100%;color:var(--color-ink);font:inherit;text-align:left;cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:12px 14px;transition:border-color .15s,background .15s,transform .15s;display:flex}.choice-list button:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-soft)}.choice-list button:active:not(:disabled){transform:translateY(1px)}.choice-list button:focus-visible{outline:3px solid var(--color-accent-soft);border-color:var(--color-accent)}.choice-list button:disabled{cursor:default;opacity:.82}.choice-letter{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:8px;flex:0 0 28px;place-items:center;width:28px;height:28px;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px;font-weight:700;display:grid}.choice-list .correct-choice{border-color:var(--color-success);background:var(--color-success-soft)}.choice-list .wrong-choice{background:color-mix(in srgb, #dc2626 10%, var(--color-surface));border-color:#dc2626}.answer-explanation{background:var(--color-surface-raised);border:1px solid var(--color-accent);border-radius:12px;margin-top:14px;padding:14px 16px}.answer-explanation p{color:var(--color-ink-secondary);margin:6px 0 0;line-height:1.6}.answer-explanation p span{color:var(--color-ink);font-weight:700}.session-result{text-align:center;margin-top:16px}.source-note{grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);gap:28px;display:grid}.source-note p{color:var(--color-ink-secondary);line-height:1.65}.source-links{gap:10px;display:grid}.source-links a{border:1px solid var(--color-border);color:var(--color-ink);background:var(--color-surface-raised);border-radius:12px;gap:4px;padding:14px;text-decoration:none;display:grid}.source-links a:hover{border-color:var(--color-accent)}.source-links span{color:var(--color-ink-secondary);font-size:13px;line-height:1.5}.stat{letter-spacing:-.04em;color:var(--color-accent);margin:0;font-size:3rem;font-weight:800}.ticker{gap:16px;margin-top:16px;display:grid}.road .road-item{border-top:1px solid var(--color-border);padding:20px 0}.road .road-item:first-child{border-top:0}.muted{color:var(--color-ink-muted);margin:4px 0;font-size:13px}textarea{border:1px solid var(--color-border-strong);background:var(--color-surface);width:100%;min-height:120px;color:var(--color-ink);resize:vertical;border-radius:12px;padding:14px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:15px;transition:border-color .2s}textarea:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft);outline:none}pre{background:var(--color-surface-raised);border:1px solid var(--color-border);color:var(--color-ink);white-space:pre-wrap;border-radius:10px;margin:8px 0;padding:14px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:15px;line-height:1.7}.hidden{display:none!important}.flashcard{perspective:1000px;cursor:pointer;min-height:320px;box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}.flashcard:hover{transform:none!important}.flashcard-inner{width:100%;height:100%;min-height:320px;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,0,.2,1);position:relative}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard .front,.flashcard .back{-webkit-backface-visibility:hidden;backface-visibility:hidden;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--color-shadow);border-radius:1.25rem;flex-direction:column;padding:28px;display:flex;position:absolute;inset:0}.flashcard .front{justify-content:space-between}.flashcard .back{justify-content:flex-start;gap:12px;transform:rotateY(180deg)}.flashcard .front:before{content:"";background:linear-gradient(135deg, var(--color-accent), var(--color-accent-warm));opacity:0;z-index:-1;border-radius:1.35rem;transition:opacity .35s;position:absolute;inset:-2px}.flashcard:hover .front:before,.flashcard:hover .back:before{opacity:.08}.flashcard .front h2,.flashcard .back h2{color:var(--color-ink);margin:0;font-size:1.5rem;font-weight:700}.flip-hint{letter-spacing:.04em;color:var(--color-ink-muted);opacity:0;font-size:11px;font-weight:600;transition:opacity .25s;position:absolute;bottom:12px;right:16px}.flashcard:hover .flip-hint{opacity:1}.memory-hero{grid-template-columns:minmax(0,1.5fr) minmax(180px,.5fr);align-items:center;gap:28px;display:grid}.memory-hero h1{margin:4px 0 10px;font-size:clamp(2rem,5vw,3.7rem);line-height:1}.memory-summary{background:var(--color-accent-soft);border:1px solid var(--color-border-strong);text-align:center;border-radius:16px;justify-items:center;gap:4px;padding:24px;display:grid}.memory-summary strong{color:var(--color-accent);font-size:3.4rem;line-height:1}.memory-summary span{max-width:18ch;color:var(--color-ink-secondary);font-size:13px}.memory-guide,.shadowing-guide{grid-template-columns:repeat(3,1fr);gap:0;margin:18px 0;padding:0;display:grid;overflow:hidden}.memory-guide>div,.shadowing-guide>div{border-left:1px solid var(--color-border);gap:4px;padding:18px 20px;display:grid}.memory-guide>div:first-child,.shadowing-guide>div:first-child{border-left:0}.memory-guide span,.shadowing-guide span{color:var(--color-ink-secondary);font-size:13px;line-height:1.45}.memory-actions{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}.memory-link,.memory-mark{color:var(--color-accent);font:inherit;cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:700}.audio-button:before{content:"▶";margin-right:7px;font-size:10px}[data-speak].is-speaking{outline:3px solid var(--color-accent-soft);border-color:var(--color-accent)}.audio-status{border:1px solid var(--color-border-strong);background:var(--color-surface);width:fit-content;max-width:min(680px,100%);box-shadow:var(--color-shadow);color:var(--color-ink-secondary);text-align:center;border-radius:999px;margin:20px auto 0;padding:10px 16px;font-size:13px}.kotoba-grid .flashcard,.kotoba-grid .flashcard-inner{min-height:390px}.kotoba-grid .back{overflow-y:auto}.kotoba-grid .jp{font-size:2.25rem}.kana-toolbar{flex-wrap:wrap;gap:8px;margin:18px 0;padding:14px;display:flex}.kana-view.active{background:var(--color-accent);color:#fff}.kana-groups{gap:16px;display:grid}.kana-group{padding:18px}.kana-group>header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.kana-group>header span{font-size:1.15rem;font-weight:800}.kana-group>header small{color:var(--color-ink-muted)}.kana-grid{grid-template-columns:repeat(5,minmax(90px,1fr));gap:10px;display:grid}.kana-card{border:1px solid var(--color-border);background:var(--color-surface-raised);border-radius:14px;justify-items:center;gap:6px;padding:12px 8px 9px;display:grid}.kana-sound{width:100%;min-height:60px;color:var(--color-ink);cursor:pointer;background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:8px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:2rem;display:flex}.kana-sound:hover{background:var(--color-accent-soft);color:var(--color-accent)}.kana-reading{color:var(--color-ink-secondary);font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px}.kana-groups[data-view=hiragana] .katakana-char,.kana-groups[data-view=katakana] .hiragana-char{display:none}.kana-groups.readings-hidden .kana-reading{visibility:hidden}.kanji-memory-grid{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}.kanji-memory-card{gap:15px;display:grid}.kanji-heading{align-items:center;gap:16px;display:flex}.kanji-heading h2{margin:0 0 4px}.kanji-heading span{color:var(--color-ink-muted);font-size:12px}.kanji-glyph{border:1px solid var(--color-border-strong);background:var(--color-accent-soft);width:76px;height:76px;color:var(--color-accent);cursor:pointer;border-radius:16px;flex:0 0 76px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,system-ui,sans-serif;font-size:3rem;font-weight:800}.reading-pair{grid-template-columns:1fr 1fr;gap:8px;display:grid}.reading-pair p{background:var(--color-surface-raised);border-radius:10px;gap:3px;margin:0;padding:10px;display:grid}.reading-pair b{text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-muted);font-size:11px}.reading-pair span{font-size:13px}.kanji-words{grid-template-columns:1fr 1fr;gap:8px;display:grid}.kanji-words button{text-align:left;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink);cursor:pointer;border-radius:10px;gap:2px;padding:10px;display:grid}.kanji-words button:hover{border-color:var(--color-accent)}.kanji-words span,.kanji-example span{color:var(--color-accent);font-size:12px}.kanji-words small,.kanji-example small{color:var(--color-ink-muted)}.kanji-example{border:1px solid var(--color-accent);background:var(--color-surface-raised);border-radius:10px;padding:12px}.kanji-example p{margin:0 0 4px;font-size:1.05rem}.kanji-example span,.kanji-example small{display:block}.listening-stack{gap:20px;display:grid}.listening-card{gap:18px;display:grid}.listening-card>.btn{justify-self:start}.listening-card>header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.listening-card h2{margin:8px 0 0}.listening-level{color:var(--color-accent);font-weight:800}.audio-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.audio-track{border:1px solid var(--color-border);background:var(--color-surface-raised);border-radius:14px;gap:10px;padding:16px;display:grid}.audio-track>div{gap:3px;display:grid}.audio-track span{color:var(--color-ink-secondary);font-size:12px}audio{width:100%;min-height:40px;accent-color:var(--color-accent)}.transcript-panel{border:1px solid var(--color-border);border-radius:14px;overflow:hidden}.transcript-panel summary{cursor:pointer;background:var(--color-surface-raised);padding:14px 16px;font-weight:750}.transcript-grid{grid-template-columns:1fr 1fr;gap:12px;padding:12px;display:grid}.transcript-grid h3{text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-muted);margin:0;font-size:.8rem}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-24px)rotate(7deg)}}@keyframes pulseSoft{0%,to{opacity:1}50%{opacity:.5}}@keyframes celebrate{0%{transform:scale(1)}25%{transform:scale(1.04)}50%{transform:scale(.98)}75%{transform:scale(1.02)}to{transform:scale(1)}}.celebrate{animation:.9s ease-out celebrate}@media (width<=768px){.shell{grid-template-columns:minmax(0,1fr);max-width:100vw;overflow:hidden}.shell main{min-width:0;max-width:100vw}.sidebar{gap:12px;width:100%;min-width:0;max-width:100vw;height:auto;padding:16px 20px 12px;position:relative;overflow:hidden}.sidebar .brand{-moz-column-gap:10px;grid-template-rows:auto auto;grid-template-columns:48px 1fr;align-items:center;column-gap:10px;padding-right:48px;display:grid}.sidebar .brand-mark{border-radius:12px;grid-row:1/3;width:48px;height:42px}.sidebar nav{scrollbar-width:thin;flex-direction:row;gap:6px;width:100%;min-width:0;max-width:100%;padding-bottom:4px;overflow-x:auto}.sidebar nav a{border:1px solid var(--color-border);background:var(--color-surface);white-space:nowrap;flex:none;padding:8px 11px}.sidebar .side-mission{display:none}.sidebar .theme-toggle{position:absolute;top:18px;right:20px}.two,.memory-hero,.memory-guide,.shadowing-guide,.audio-grid,.transcript-grid{grid-template-columns:1fr}.memory-guide>div,.shadowing-guide>div{border-left:0;border-top:1px solid var(--color-border)}.memory-guide>div:first-child,.shadowing-guide>div:first-child{border-top:0}.memory-summary{text-align:left;justify-items:start}.kana-grid{grid-template-columns:repeat(3,minmax(72px,1fr))}.kana-sound{font-size:1.65rem}.kanji-memory-grid{grid-template-columns:1fr}.kanji-words,.reading-pair{grid-template-columns:1fr 1fr}.audio-status{border-radius:14px}.practice-hero,.practice-setup,.source-note,.practice-controls{grid-template-columns:1fr}.practice-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.practice-stats div{padding:12px}.practice-stats dt{font-size:1.25rem}.session-toolbar{gap:14px;padding:12px;top:8px}.session-toolbar .btn{width:auto;padding:9px 12px}.grid,.quest-grid{grid-template-columns:1fr}.hero h1{font-size:1.6rem}.jp{font-size:1.8rem}}.theme-toggle{border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;transition:all .2s;display:inline-flex}.theme-toggle:hover{background:var(--color-accent-soft);border-color:var(--color-accent)}
