.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.block{display:block}.inline{display:inline}.flex{display:flex}.grid{display:grid}.contents{display:contents}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.border{border-width:1px}.uppercase{text-transform:uppercase}.italic{font-style:italic}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--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)}.outline{outline-style:solid}.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)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}:root{--paper:#fafdf3;--paper-deep:#ecf3d6;--paper-light:#fff;--ink:#2f3a26;--ink-soft:#4f5d3f;--ink-mute:#6a7858;--vermilion:#5a9d3a;--vermilion-deep:#3d7e22;--vermilion-soft:#d9eec6;--gold:#d4a82a;--gold-soft:#f5e6b8;--moss:#5a9d3a;--moss-soft:#d9eec6;--indigo:#5e85b0;--indigo-soft:#d8e2ee;--rose:#d97e92;--mint:#5cb094;--lavender:#a898c0;--sun:#ecbc4e;--line:rgba(47,58,38,.12);--line-soft:rgba(47,58,38,.06);--shadow:rgba(47,58,38,.07);--shadow-lg:rgba(47,58,38,.15);--green:#5a9d3a;--red:#c25f3a;--r-xs:8px;--r-sm:12px;--r-md:18px;--r-lg:24px;--r-xl:32px;--r-full:999px;--jp-serif:"Zen Maru Gothic",sans-serif;--jp-handwritten:"Hachi Maru Pop","Zen Maru Gothic",sans-serif;--jp-sans:"Zen Maru Gothic",sans-serif;--en-display:"Quicksand",sans-serif;--en-sans:"Quicksand",sans-serif;--mono:"JetBrains Mono",monospace;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--focus-ring:3px solid #5a9d3a;--focus-offset:3px}html[data-theme=dark]{--paper:#131c11;--paper-deep:#0d1409;--paper-light:#1f2a1c;--ink:#ecf3d8;--ink-soft:#c0cca6;--ink-mute:#8a9778;--vermilion:#82e44a;--vermilion-deep:#6dc442;--vermilion-soft:rgba(130,228,74,.18);--gold:#f0d068;--gold-soft:hsla(46,82%,67%,.15);--moss:#82e44a;--moss-soft:rgba(130,228,74,.18);--indigo:#8ab4d4;--indigo-soft:rgba(138,180,212,.15);--rose:#f0a8b8;--mint:#82d8b0;--lavender:#c0b0d6;--sun:#f4d068;--line:hsla(80,44%,89%,.14);--line-soft:hsla(80,44%,89%,.06);--shadow:rgba(0,0,0,.45);--shadow-lg:rgba(0,0,0,.65);--green:#82e44a;--red:#ee9070}html[data-theme=dark] .complete-state.celebrate,html[data-theme=dark] .plan-overview{background:var(--paper-deep)}html[data-theme=dark] body:before{background-image:none}html[data-theme=dark] .plan-block{background:hsla(80,44%,89%,.06)!important}html[data-theme=dark] .celebrate-stat{background:hsla(80,44%,89%,.06);border-color:hsla(80,44%,89%,.1)}@media (prefers-color-scheme:dark){html[data-theme=auto]{--paper:#131c11;--paper-deep:#0d1409;--paper-light:#1f2a1c;--ink:#e8f0d8;--ink-soft:#b0bd9a;--ink-mute:#707d62;--vermilion:#76d44a;--vermilion-deep:#58b832;--vermilion-soft:rgba(118,212,74,.18);--gold:#f0d068;--moss:#76d44a;--indigo:#8eaad0;--rose:#f0a8b8;--line:hsla(80,44%,89%,.1);--line-soft:hsla(80,44%,89%,.04);--shadow:rgba(0,0,0,.4);--shadow-lg:rgba(0,0,0,.6);--green:#76d44a;--red:#e89070}html[data-theme=auto] .complete-state.celebrate,html[data-theme=auto] .plan-overview{background:var(--paper-deep)}html[data-theme=auto] .plan-block{background:hsla(80,44%,89%,.06)!important}html[data-theme=auto] .celebrate-stat{background:hsla(80,44%,89%,.06);border-color:hsla(80,44%,89%,.1)}}*{margin:0;padding:0;box-sizing:border-box}body,html{background:var(--paper);color:var(--ink);font-family:var(--jp-sans);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}body:before{z-index:0}body:after,body:before{content:"";position:fixed;inset:0;background:transparent;pointer-events:none}body:after{z-index:1}#root{position:relative;z-index:2}button,input,textarea{font-family:inherit}.app{display:grid;grid-template-columns:240px 1fr}@media (max-width:768px){.app{grid-template-columns:1fr}}.sidebar{background:var(--paper-light);border-right:1px solid var(--line);padding:32px 24px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}@media (max-width:768px){.sidebar{position:fixed;left:0;right:0;bottom:0;top:auto;height:auto;padding:8px 12px;border-right:none;border-top:1px solid var(--line);flex-direction:row;justify-content:space-around;z-index:100;background:var(--paper-light)}}.brand{font-family:var(--jp-serif);font-size:28px;font-weight:600;margin-bottom:4px;letter-spacing:.02em}.brand-en{font-family:var(--en-display);font-style:italic;font-size:14px;color:var(--ink-mute);margin-bottom:40px;letter-spacing:.1em}@media (max-width:768px){.brand,.brand-en,.sidebar-meta,.streak-card{display:none}}.nav{display:flex;flex-direction:column;gap:4px}@media (max-width:768px){.nav{flex-direction:row;gap:0;width:100%}}.nav-item{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:6px;cursor:pointer;color:var(--ink-soft);font-size:14px;font-weight:500;font-family:var(--en-sans);letter-spacing:.02em;transition:all .2s ease;border:1px solid transparent;background:transparent;text-align:left;width:100%}.nav-item:hover{background:var(--paper-deep);color:var(--ink)}.nav-item.active{background:var(--ink);color:var(--paper-light)}@media (max-width:768px){.nav-item{flex:1;flex-direction:column;gap:4px;padding:8px 4px;font-size:10px;text-align:center}.nav-item.active{background:transparent;color:var(--vermilion)}}.nav-jp{font-family:var(--jp-serif);font-size:13px;font-weight:500;opacity:.5}.nav-item span:last-child{font-weight:600;font-size:14px}@media (max-width:768px){.nav-jp{font-size:18px}}.streak-card{margin-top:auto;padding:18px;border-radius:var(--r-md)}.streak-num{font-family:var(--jp-serif);font-size:36px;font-weight:800;line-height:1;color:var(--ink);position:relative;z-index:1}.streak-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-top:8px;color:var(--vermilion-deep);font-weight:700}.streak-label,.streak-shield{font-family:var(--en-sans);opacity:1;position:relative;z-index:1}.streak-shield{margin-top:10px;font-size:14px;color:var(--ink-soft);font-weight:600}.main{padding:40px 56px;max-width:1100px}@media (max-width:768px){.main{padding:24px 18px 100px}}.page-header{margin-bottom:40px;border-bottom:1px solid var(--line);padding-bottom:24px}.page-eyebrow{display:inline-block;font-family:var(--en-sans);font-style:normal;font-size:11px;font-weight:600;color:var(--vermilion-deep);background:var(--vermilion-soft);letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:var(--r-full);margin-bottom:12px}.page-title{font-family:var(--jp-handwritten);font-size:44px;font-weight:400;line-height:1.15;letter-spacing:.005em}@media (max-width:768px){.page-title{font-size:30px}}.page-subtitle{margin-top:12px;font-size:14px;color:var(--ink-soft);font-family:var(--en-sans);font-weight:500;max-width:600px;line-height:1.65}.plan-overview{background:var(--paper-deep);color:var(--ink);padding:32px;margin-bottom:32px;position:relative;overflow:hidden;border:1px solid hsla(16,65%,65%,.2)}.plan-overview:before{right:-40px;top:-40px;width:220px;height:220px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g opacity='0.4'><circle cx='50' cy='50' r='8' fill='%23f4cf6a'/><ellipse cx='50' cy='30' rx='9' ry='14' fill='%23efb6a8'/><ellipse cx='50' cy='70' rx='9' ry='14' fill='%23efb6a8'/><ellipse cx='30' cy='50' rx='14' ry='9' fill='%23efb6a8'/><ellipse cx='70' cy='50' rx='14' ry='9' fill='%23efb6a8'/><ellipse cx='35' cy='35' rx='9' ry='12' fill='%23f5d4c5' transform='rotate(-45 35 35)'/><ellipse cx='65' cy='35' rx='9' ry='12' fill='%23f5d4c5' transform='rotate(45 65 35)'/><ellipse cx='35' cy='65' rx='9' ry='12' fill='%23f5d4c5' transform='rotate(45 35 65)'/><ellipse cx='65' cy='65' rx='9' ry='12' fill='%23f5d4c5' transform='rotate(-45 65 65)'/></g></svg>");animation:float-soft 6s ease-in-out infinite}.plan-overview:after,.plan-overview:before{content:"";position:absolute;background-repeat:no-repeat;background-size:contain}.plan-overview:after{left:20px;bottom:20px;width:60px;height:60px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g opacity='0.5'><path d='M30,80 Q40,30 70,30' stroke='%2387a576' stroke-width='2' fill='none'/><ellipse cx='50' cy='45' rx='12' ry='6' fill='%23a8d4c4' transform='rotate(-30 50 45)'/><ellipse cx='60' cy='60' rx='10' ry='5' fill='%2387a576' transform='rotate(30 60 60)'/></g></svg>");opacity:.7}@keyframes float-soft{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-8px) rotate(8deg)}}.plan-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:24px;position:relative}.plan-title{font-family:var(--jp-handwritten);font-size:24px;font-weight:400;color:var(--ink)}.plan-meta{font-family:var(--en-sans);font-size:12px;font-weight:600;color:var(--ink-soft);letter-spacing:.05em}.plan-bar{height:36px;margin-bottom:20px;gap:4px}.plan-bar,.plan-segment{display:flex;position:relative}.plan-segment{align-items:center;justify-content:center;font-family:var(--en-sans);font-size:11px;font-weight:700;letter-spacing:.05em;color:#fff;transition:all .3s cubic-bezier(.2,.9,.3,1.1);cursor:pointer;border:none;border-radius:var(--r-sm)}.plan-segment.done{opacity:.4}.plan-segment:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 6px 12px rgba(74,61,47,.15)}.plan-blocks{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;position:relative}@media (max-width:768px){.plan-blocks{grid-template-columns:1fr 1fr}}.plan-block{background:hsla(0,0%,100%,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--ink);padding:16px;cursor:pointer;transition:all .2s;border:1px solid hsla(0,0%,100%,.08)}.plan-block:hover{background:hsla(0,0%,100%,.95);transform:translateY(-3px) scale(1.02);box-shadow:0 8px 20px rgba(74,61,47,.1)}.plan-block.completed{opacity:.65}.plan-block.completed:after{content:"✓";float:right;color:var(--moss);font-size:20px;font-weight:700}.plan-block-name{font-family:var(--en-sans);font-size:16px;font-weight:700;margin-bottom:4px;color:var(--ink)}.plan-block-en{font-family:var(--jp-serif);font-style:normal;font-size:12px;font-weight:400;color:var(--ink-mute);letter-spacing:.02em;margin-bottom:12px;opacity:.75}.plan-block-meta{font-family:var(--mono);font-size:11px;color:var(--ink-soft)}.plan-block-pct{font-family:var(--en-sans);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--vermilion-deep);margin-top:6px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}@media (max-width:768px){.stats-row{grid-template-columns:1fr 1fr}}.stat-card{background:var(--paper-light);border:solid var(--vermilion);border-width:2px 2px 4px;padding:18px 20px;border-radius:var(--r-md);box-shadow:0 1px 0 var(--shadow)}.stat-label{font-family:var(--en-display);font-size:12px;color:var(--vermilion-deep);margin-bottom:8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.stat-value{font-family:var(--jp-serif);font-size:36px;font-weight:800;color:var(--ink);line-height:1.1}.stat-detail{font-family:var(--en-sans);font-size:14px;color:var(--ink);letter-spacing:.01em;margin-top:8px;font-weight:600}.session-stage{max-width:720px;margin:0 auto;padding-top:24px}.session-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.session-title{font-family:var(--jp-serif);font-size:22px;font-weight:600}.session-progress{font-family:var(--mono);font-size:13px;color:var(--ink-mute)}.progress-bar{display:flex;gap:3px;margin-bottom:32px}.progress-bar-cell{height:3px;flex:1;background:var(--line)}.progress-bar-cell.done{background:var(--vermilion)}.progress-bar-cell.current{background:var(--ink)}.progress-bar-cell.wrong{background:var(--ink-mute)}.card-shell{background:var(--paper-light);border:1px solid var(--line);padding:40px 36px;min-height:340px;display:flex;flex-direction:column;position:relative}.card-kind{position:absolute;top:16px;left:50%;transform:translateX(-50%);font-family:var(--en-sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute)}.card-face-tag{display:inline-block;font-family:var(--mono);font-size:10px;color:var(--vermilion);letter-spacing:.1em;margin-bottom:12px;align-self:center}.card-prompt{text-align:center;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.prompt-main{font-family:var(--jp-serif);font-size:72px;font-weight:600;line-height:1;margin:16px 0}.prompt-main.smaller{font-size:48px}.prompt-instruction{font-family:var(--en-sans);font-size:13px;color:var(--ink-mute);letter-spacing:.05em;margin-bottom:20px}.srs-ladder{display:flex;align-items:center;gap:2px;margin:18px 0 8px;padding:12px 16px;background:var(--paper-deep);border-left:3px solid var(--vermilion)}.srs-ladder-label{font-family:var(--en-sans);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute);margin-right:12px;white-space:nowrap}.srs-ladder-step{flex:1;text-align:center;font-family:var(--mono);font-size:11px;color:var(--ink-mute);padding:4px;border-bottom:2px solid transparent;position:relative}.srs-ladder-step.passed{color:var(--ink-soft);border-bottom-color:var(--moss)}.srs-ladder-step.current{color:var(--vermilion);border-bottom-color:var(--vermilion);font-weight:700}.srs-ladder-step.next{color:var(--ink);font-weight:600}.srs-ladder-step.future{opacity:.4}.srs-ladder-arrow{align-self:center}.srs-ladder-arrow,.voice-toggle{font-size:10px;color:var(--ink-mute)}.voice-toggle{display:flex;align-items:center;gap:8px;margin-left:12px;padding:4px 10px;background:var(--paper);border:1px solid var(--line);cursor:pointer;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase}.voice-toggle.active{background:var(--vermilion);color:#fff;border-color:var(--vermilion)}.voice-toggle .voice-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.voice-toggle.active .voice-dot{animation:pulse-dot 1.5s infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.mic-listening{display:flex;align-items:center;gap:8px;padding:8px 14px;background:var(--vermilion);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.1em;animation:pulse-dot 1.5s infinite}.shadow-sentence{font-family:var(--jp-serif);font-size:28px;line-height:1.6;text-align:center;padding:24px;background:var(--paper-deep);border-left:4px solid var(--vermilion);margin:20px 0}.shadow-romaji{font-family:var(--mono);font-size:13px;color:var(--ink-mute);margin-top:8px}.shadow-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.shadow-compare-cell{padding:14px;background:var(--paper);border:1px solid var(--line)}.shadow-compare-cell.match{border-left:3px solid var(--moss)}.shadow-compare-cell.diff{border-left:3px solid var(--gold)}.shadow-compare-label{font-family:var(--en-sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}.shadow-score{font-family:var(--jp-serif);font-size:48px;font-weight:700;color:var(--vermilion)}.keigo-level-tabs{display:flex;gap:6px;margin-bottom:16px}.keigo-tab{flex:1;padding:10px;background:var(--paper);border:1px solid var(--line);font-family:var(--jp-serif);font-size:13px;cursor:pointer;text-align:center;transition:all .2s}.keigo-tab.active{background:var(--ink);color:var(--paper-light);border-color:var(--ink)}.keigo-source{padding:20px;background:var(--paper-deep);border-left:3px solid var(--indigo);margin-bottom:16px;font-family:var(--jp-serif);font-size:20px;line-height:1.6}.keigo-target-tag{display:inline-block;padding:4px 12px;background:var(--vermilion);color:#fff;font-family:var(--en-sans);font-size:10px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:8px}.time-tracker{position:fixed;top:16px;right:24px;padding:6px 12px;background:rgba(31,26,20,.85);color:var(--paper-light);font-family:var(--mono);font-size:11px;letter-spacing:.1em;z-index:50;border-radius:2px}@media (max-width:768px){.time-tracker{top:12px;right:12px;font-size:10px;padding:4px 8px}}.input-row{margin-top:20px;display:flex;gap:12px;align-items:center}.text-input{flex:1;padding:14px 18px;border:1.5px solid var(--line);background:var(--paper);font-family:var(--jp-serif);font-size:22px;outline:none;transition:border .2s;text-align:center}.text-input:focus{border-color:var(--vermilion)}.text-input.correct{border-color:var(--green);background:rgba(74,124,78,.08)}.text-input.wrong{border-color:var(--red);background:rgba(183,59,45,.08)}.btn-primary{padding:14px 28px;background:var(--ink);color:var(--paper-light);border:none;cursor:pointer;font-family:var(--en-sans);font-size:12px;letter-spacing:.15em;text-transform:uppercase;transition:all .2s}.btn-primary:hover{background:var(--vermilion)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{padding:12px 24px;background:transparent;color:var(--ink);border:1px solid var(--line);cursor:pointer;font-family:var(--en-sans);font-size:12px;letter-spacing:.1em;text-transform:uppercase;transition:all .2s}.btn-secondary:hover,.feedback-box{background:var(--paper-deep)}.feedback-box{margin-top:24px;padding:20px;border-left:3px solid var(--moss)}.feedback-box.wrong{border-left-color:var(--red)}.feedback-box.almost{border-left-color:var(--gold)}.feedback-label{font-family:var(--en-display);font-style:italic;font-size:14px;margin-bottom:8px;color:var(--moss)}.feedback-box.wrong .feedback-label{color:var(--red)}.feedback-box.almost .feedback-label{color:var(--gold)}.feedback-text{font-family:var(--jp-serif);font-size:16px;line-height:1.7}.feedback-trans{font-family:var(--en-sans);font-size:13px;color:var(--ink-mute);margin-top:8px;font-style:italic}.mcq-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}@media (max-width:600px){.mcq-options{grid-template-columns:1fr}}.mcq-option{padding:18px;background:var(--paper);border:1.5px solid var(--line);cursor:pointer;font-family:var(--jp-serif);font-size:16px;text-align:left;transition:all .2s;position:relative}.mcq-option:hover{border-color:var(--vermilion);transform:translateX(2px)}.mcq-option.selected{border-color:var(--ink);background:var(--paper-deep)}.mcq-option.correct{border-color:var(--green);background:rgba(74,124,78,.1)}.mcq-option.wrong{border-color:var(--red);background:rgba(183,59,45,.08)}.mcq-option.disabled{cursor:not-allowed;opacity:.6}.mcq-option-marker{font-family:var(--mono);font-size:11px;color:var(--ink-mute);margin-right:12px}.grade-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:20px}@media (max-width:600px){.grade-actions{grid-template-columns:1fr 1fr}}.grade-btn{padding:14px 8px;border:1px solid var(--line);background:var(--paper-light);cursor:pointer;font-family:var(--en-sans);font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;display:flex;flex-direction:column;gap:4px;align-items:center;transition:all .2s}.grade-btn:hover{transform:translateY(-2px)}.grade-btn.again:hover{background:var(--vermilion);color:#fff;border-color:var(--vermilion)}.grade-btn.hard:hover{background:var(--gold);color:#fff;border-color:var(--gold)}.grade-btn.good:hover{background:var(--moss);color:#fff;border-color:var(--moss)}.grade-btn.easy:hover{background:var(--indigo);color:#fff;border-color:var(--indigo)}.grade-int{font-family:var(--jp-serif);font-size:16px;font-weight:600}.complete-state{text-align:center;padding:60px 40px;background:var(--paper-light);border:1px solid var(--line)}.complete-state.celebrate{background:var(--paper-deep);border:1px solid var(--line)}.complete-jp{font-family:var(--jp-serif);font-size:80px;font-weight:600;color:var(--vermilion);line-height:1;margin-bottom:16px}.complete-msg{font-family:var(--jp-handwritten);font-style:normal;font-size:28px;font-weight:700;margin-bottom:8px;color:var(--ink)}.complete-sub{color:var(--ink-soft);font-family:var(--en-sans);font-size:14px;font-weight:500;margin-bottom:28px}.celebrate-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:14px;max-width:540px;margin:0 auto 28px}.celebrate-stat{background:hsla(0,0%,100%,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:18px 14px;border-radius:var(--r-md);border:1px solid hsla(0,0%,100%,.5);animation:bounce-in .6s cubic-bezier(.34,1.56,.64,1) backwards}.celebrate-stat:first-child{animation-delay:.1s}.celebrate-stat:nth-child(2){animation-delay:.2s}.celebrate-stat:nth-child(3){animation-delay:.3s}.celebrate-stat:nth-child(4){animation-delay:.4s}.celebrate-stat-num{font-family:var(--jp-handwritten);font-size:32px;font-weight:700;line-height:1;color:var(--ink);margin-bottom:6px}.celebrate-stat-label{font-family:var(--en-sans);font-size:11px;font-weight:600;color:var(--ink-soft);letter-spacing:.03em}.celebrate-btn{font-size:14px!important;padding:16px 36px!important;font-weight:700!important;animation:bounce-in .7s cubic-bezier(.34,1.56,.64,1) .5s backwards;box-shadow:0 6px 18px hsla(16,65%,65%,.35)}.celebrate-btn:hover{box-shadow:0 10px 24px hsla(16,65%,65%,.5);transform:translateY(-3px) scale(1.03)!important}.mode-picker{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width:600px){.mode-picker{grid-template-columns:1fr}}.mode-card{padding:28px;background:var(--paper-light);border:1px solid var(--line);cursor:pointer;transition:all .2s;position:relative}.mode-card:hover{border-color:var(--vermilion);transform:translateY(-3px)}.mode-icon{font-family:var(--jp-serif);font-size:44px;font-weight:600;color:var(--vermilion);margin-bottom:12px;line-height:1;opacity:.85}.mode-name{font-family:var(--en-sans);font-size:19px;font-weight:700;margin-bottom:4px;color:var(--ink);letter-spacing:-.01em}.mode-en{font-family:var(--jp-serif);font-style:normal;font-size:12px;color:var(--ink-mute);margin-bottom:10px;opacity:.7;letter-spacing:.02em}.mode-desc{font-family:var(--en-sans);font-size:12px;color:var(--ink-soft);line-height:1.55}.mode-badge{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:9px;letter-spacing:.15em;color:var(--ink-mute);text-transform:uppercase}.chat-shell{background:var(--paper-light);border:1px solid var(--line);display:flex;flex-direction:column;height:70vh;min-height:500px}.chat-head{padding:16px 20px;border-bottom:1px solid var(--line);gap:12px}.chat-avatar,.chat-head{display:flex;align-items:center}.chat-avatar{width:36px;height:36px;background:var(--ink);color:var(--vermilion);justify-content:center;font-size:18px;font-weight:700}.chat-avatar,.chat-name{font-family:var(--jp-serif)}.chat-name{font-size:16px;font-weight:600}.chat-tag{font-family:var(--mono);font-size:10px;color:var(--ink-mute)}.difficulty-pill{margin-left:auto;display:flex;gap:4px;background:var(--paper);padding:4px;border:1px solid var(--line)}.diff-btn{padding:4px 10px;font-family:var(--mono);font-size:10px;background:transparent;border:none;cursor:pointer;color:var(--ink-mute);letter-spacing:.1em}.diff-btn.active{background:var(--ink);color:var(--paper-light)}.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.chat-msg{max-width:82%;padding:12px 16px;font-family:var(--jp-serif);font-size:16px;line-height:1.6;white-space:pre-wrap}.chat-msg.user{background:var(--ink);color:var(--paper-light);align-self:flex-end}.chat-msg.assistant{background:var(--paper-deep);border-left:3px solid var(--vermilion);align-self:flex-start}.msg-translation{color:var(--ink-mute);margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);font-style:italic}.msg-tip,.msg-translation{font-family:var(--en-sans);font-size:12px}.msg-tip{color:var(--gold);margin-top:6px;padding:6px 10px;background:rgba(181,138,59,.08);border-left:2px solid var(--gold)}.chat-thinking{padding:12px 16px;background:var(--paper-deep);align-self:flex-start;border-left:3px solid var(--vermilion);display:flex;gap:4px}.chat-thinking span{width:6px;height:6px;background:var(--vermilion);border-radius:50%;animation:dot 1.4s infinite}.chat-thinking span:nth-child(2){animation-delay:.2s}.chat-thinking span:nth-child(3){animation-delay:.4s}@keyframes dot{0%,60%,to{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1)}}.chat-input-row{border-top:1px solid var(--line);padding:14px;display:flex;gap:10px}.chat-input{flex:1;padding:10px 14px;border:1px solid var(--line);background:var(--paper);font-family:var(--jp-serif);font-size:15px;outline:none}.chat-input:focus{border-color:var(--vermilion)}.writing-stage{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width:768px){.writing-stage{grid-template-columns:1fr}}.writing-pane{background:var(--paper-light);border:1px solid var(--line);padding:24px;min-height:400px;display:flex;flex-direction:column}.writing-pane-label{font-family:var(--en-sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px}.prompt-box{background:var(--paper-deep);padding:16px;border-left:3px solid var(--indigo);margin-bottom:16px;font-family:var(--jp-serif);font-size:16px;line-height:1.6}.prompt-trans{font-family:var(--en-sans);font-size:12px;color:var(--ink-mute);margin-top:6px;font-style:italic}.writing-textarea{flex:1;padding:14px;border:1px solid var(--line);background:var(--paper);font-family:var(--jp-serif);font-size:16px;line-height:1.7;outline:none;resize:vertical;min-height:200px}.writing-textarea:focus{border-color:var(--vermilion)}.diff-display{font-family:var(--jp-serif);font-size:16px;line-height:1.9;padding:14px;background:var(--paper);border:1px solid var(--line);flex:1;overflow-y:auto;min-height:200px}.diff-add{background:rgba(74,124,126,.18);color:var(--moss);padding:1px 2px}.diff-del{text-decoration:line-through;background:rgba(183,59,45,.12);color:var(--red);padding:1px 2px}.diff-explain-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}.diff-explain-item{padding:10px 12px;background:var(--paper-deep);border-left:2px solid var(--gold);font-family:var(--en-sans);font-size:13px;line-height:1.6}.diff-explain-jp{font-family:var(--jp-serif);font-size:14px}.audio-stage{background:var(--paper-light);border:1px solid var(--line);padding:32px;text-align:center}.topic-card{background:var(--paper-deep);padding:28px;border-left:4px solid var(--vermilion);margin-bottom:24px;text-align:left}.topic-label{font-family:var(--en-display);font-style:italic;font-size:14px;color:var(--vermilion)}.topic-jp{font-family:var(--jp-serif);font-size:24px;font-weight:600;margin:6px 0 4px}.topic-trans{font-family:var(--en-sans);font-size:13px;color:var(--ink-mute)}.rec-button{width:96px;height:96px;border-radius:50%;border:2px solid var(--vermilion);background:var(--paper-light);color:var(--vermilion);font-family:var(--jp-serif);font-size:22px;cursor:pointer;transition:all .2s;margin:20px auto;display:flex;align-items:center;justify-content:center}.rec-button.recording,.rec-button:hover{background:var(--vermilion);color:#fff}.rec-button.recording{animation:pulse 1.5s infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 0 rgba(183,59,45,.4)}50%{box-shadow:0 0 0 16px rgba(183,59,45,0)}}.timer{font-family:var(--mono);font-size:32px;margin:8px 0}.privacy-note,.timer{color:var(--ink-mute)}.privacy-note{font-family:var(--en-sans);font-size:11px;font-style:italic;margin-top:12px}.transcript-box{margin-top:24px;text-align:left;padding:16px;background:var(--paper);border:1px solid var(--line);font-family:var(--jp-serif);font-size:16px;line-height:1.7;min-height:60px}.transcript-label{font-family:var(--en-sans);font-size:10px;letter-spacing:.2em;color:var(--ink-mute);text-transform:uppercase;margin-bottom:8px}.listen-card{background:var(--paper-light);border:1px solid var(--line);padding:36px;text-align:center}.audio-wave{display:flex;justify-content:center;gap:4px;height:60px;align-items:center;margin:20px 0}.audio-wave-bar{width:4px;background:var(--vermilion);border-radius:2px;height:20px;animation:wave 1.2s ease-in-out infinite}.audio-wave-bar:first-child{animation-delay:0s}.audio-wave-bar:nth-child(2){animation-delay:.1s}.audio-wave-bar:nth-child(3){animation-delay:.2s}.audio-wave-bar:nth-child(4){animation-delay:.3s}.audio-wave-bar:nth-child(5){animation-delay:.4s}.audio-wave-bar:nth-child(6){animation-delay:.5s}.audio-wave-bar:nth-child(7){animation-delay:.6s}@keyframes wave{0%,to{height:20px}50%{height:50px}}.cloze-sentence{font-family:var(--jp-serif);font-size:26px;line-height:1.8;margin:24px 0;text-align:center}.cloze-blank{display:inline-block;min-width:80px;padding:2px 8px;margin:0 4px;border-bottom:2px solid var(--vermilion);font-family:var(--jp-serif)}.kanji-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:40px}@media (max-width:768px){.kanji-detail{grid-template-columns:1fr;gap:28px}}.kanji-hero{background:var(--paper-light);border:1px solid var(--line);padding:40px;text-align:center}.kanji-big{font-family:var(--jp-serif);font-size:180px;font-weight:600;line-height:1}@media (max-width:768px){.kanji-big{font-size:130px}}.kanji-meaning{font-family:var(--en-display);font-style:italic;font-size:26px;margin-top:12px;color:var(--vermilion)}.readings{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}.reading-block{text-align:left;border-left:2px solid var(--vermilion);padding-left:10px}.reading-label{font-family:var(--en-sans);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:4px}.reading-value{font-family:var(--jp-serif);font-size:17px}.korean-bridge{margin-top:16px;padding:14px;background:var(--paper-deep);border-left:3px solid var(--indigo)}.korean-bridge-label{font-family:var(--en-display);font-style:italic;font-size:13px;color:var(--indigo);margin-bottom:4px}.korean-bridge-text{font-size:14px;color:var(--ink-soft);line-height:1.6}.mnemonic-box{padding:22px;background:var(--paper-deep);border-left:3px solid var(--gold);margin-bottom:16px}.mnemonic-label{font-family:var(--en-display);font-style:italic;font-size:14px;color:var(--gold);margin-bottom:8px}.mnemonic-text{font-size:14px;line-height:1.7;color:var(--ink-soft)}.radicals-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.radical-chip{padding:10px 14px;background:var(--paper-light);border:1px solid var(--line);display:flex;align-items:center;gap:8px}.radical-jp{font-family:var(--jp-serif);font-size:22px;font-weight:600}.radical-meaning{font-family:var(--en-sans);font-size:11px;color:var(--ink-mute)}.study-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.study-card{background:var(--paper-light);border:1px solid var(--line);padding:20px;cursor:pointer;transition:all .2s}.study-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px var(--shadow);border-color:var(--vermilion)}.study-card-kind{font-family:var(--en-sans);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--vermilion);margin-bottom:12px}.study-card-jp{font-family:var(--jp-serif);font-size:30px;font-weight:600;line-height:1;margin-bottom:10px}.study-card-meta{font-size:12px;color:var(--ink-mute);font-family:var(--en-sans)}.section{margin-bottom:36px}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;border-bottom:1px solid var(--line-soft);padding-bottom:10px}.section-title{font-family:var(--jp-serif);font-size:20px;font-weight:600}.section-title-en{font-family:var(--en-display);font-style:italic;font-size:13px;color:var(--ink-mute);margin-left:10px}.retention-chart{background:var(--paper-light);border:1px solid var(--line);padding:24px;margin-bottom:24px}.retention-bars{display:flex;align-items:flex-end;gap:6px;height:160px;margin-top:16px;border-bottom:1px solid var(--line);padding-bottom:4px}.retention-bar{flex:1;background:var(--vermilion);position:relative;transition:all .3s}.retention-bar-label{bottom:-22px;color:var(--ink-mute)}.retention-bar-label,.retention-bar-value{position:absolute;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10px}.retention-bar-value{top:-18px;color:var(--ink-soft)}.level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:32px}@media (max-width:768px){.level-grid{grid-template-columns:1fr 1fr}}.level-card{background:var(--paper-light);border:1px solid var(--line);padding:20px;text-align:center}.level-card.active{border-color:var(--vermilion);background:var(--paper)}.level-card.locked{opacity:.4}.level-name{font-family:var(--jp-serif);font-size:28px;font-weight:600}.level-tag{font-family:var(--en-sans);font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px}.level-bar{height:4px;background:var(--line);position:relative;margin-bottom:6px}.level-bar-fill{position:absolute;top:0;left:0;bottom:0}.level-pct{font-family:var(--mono);font-size:12px;color:var(--ink-mute)}.fade-in{animation:fadeIn .35s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.tip{background:var(--paper-deep);border-left:3px solid var(--indigo);padding:14px 18px;margin:20px 0;font-size:13px;line-height:1.6;color:var(--ink-soft)}.tip-label{font-family:var(--en-display);font-style:italic;font-size:14px;color:var(--indigo);margin-bottom:2px}.btn-back{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:transparent;border:1px solid var(--line);font-family:var(--en-sans);font-size:12px;cursor:pointer;color:var(--ink-soft);transition:all .2s;margin-bottom:20px}.btn-back:hover{background:var(--paper-deep)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-full)}::-webkit-scrollbar-thumb:hover{background:var(--ink-mute)}.stroke-tracer-section{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:16px}@media (max-width:768px){.stroke-tracer-section{grid-template-columns:1fr;gap:16px}}.stroke-order-shell,.tracer-shell{background:var(--paper-light);border:1px solid var(--line);padding:20px;border-radius:var(--r-md);display:flex;flex-direction:column}.stroke-section-title{display:flex;justify-content:space-between;align-items:center;font-family:var(--en-sans);font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px}.stroke-count-badge{font-family:var(--mono);font-size:11px;padding:4px 10px;background:var(--vermilion-soft);color:var(--vermilion-deep);border-radius:var(--r-full);font-weight:700}.stroke-svg{border-radius:var(--r-sm);border:1px solid var(--line)}.stroke-svg,.tracer-canvas{width:100%;max-width:360px;aspect-ratio:1;background:var(--paper);margin:0 auto;display:block}.tracer-canvas{border-radius:var(--r-sm);border:1.5px dashed var(--line);touch-action:none}.tracer-canvas:hover{border-color:var(--vermilion)}.stroke-controls{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:14px}.stroke-btn{padding:8px 14px!important;font-size:12px!important;min-height:38px!important}@media (max-width:480px){.stroke-btn{flex:1;min-width:calc(50% - 4px);padding:8px!important;font-size:11px!important}}.brand,.complete-jp,.complete-msg,.kanji-big,.level-name,.mode-icon,.page-title,.shadow-score,.stat-value,.today-num{font-family:var(--jp-handwritten)!important;font-weight:600!important;letter-spacing:.01em!important}.audio-stage,.card-shell,.chat-shell,.complete-state,.diff-display,.diff-explain-item,.feedback-box,.kanji-hero,.keigo-source,.korean-bridge,.level-card,.listen-card,.mnemonic-box,.mode-card,.plan-block,.plan-overview,.prompt-box,.retention-chart,.scenario-card,.shadow-compare-cell,.shadow-sentence,.srs-ladder,.stat-card,.study-card,.tip,.topic-card,.transcript-box,.writing-pane{border-radius:var(--r-md)!important}.plan-overview,.today-card{border-radius:var(--r-lg)!important}.audio-wave-bar,.chat-thinking span,.diff-add,.diff-del,.difficulty-pill,.keigo-target-tag,.level-bar,.level-bar-fill,.mic-listening,.mode-badge,.plan-bar,.plan-segment,.radical-chip,.retention-bar,.streak-card,.time-tracker,.voice-toggle{border-radius:var(--r-xs)!important}.plan-bar{overflow:hidden}.streak-card{border-radius:var(--r-md)!important}.plan-bar>.plan-segment:first-child{border-top-left-radius:var(--r-xs)!important;border-bottom-left-radius:var(--r-xs)!important}.plan-bar>.plan-segment:last-child{border-top-right-radius:var(--r-xs)!important;border-bottom-right-radius:var(--r-xs)!important}.plan-bar>.plan-segment:not(:first-child):not(:last-child){border-radius:0!important}.chat-input,.text-input,.writing-textarea{border-radius:var(--r-sm)!important}.btn-back,.btn-primary,.btn-secondary,.grade-btn{border-radius:var(--r-full)!important;padding-left:28px!important;padding-right:28px!important}.diff-btn,.keigo-tab,.mcq-option,.nav-item,.start-btn{border-radius:var(--r-sm)!important}.start-btn{border-radius:var(--r-full)!important}.chat-msg{border-radius:var(--r-md)!important}.chat-msg.user{border-bottom-right-radius:var(--r-xs)!important}.chat-msg.assistant{border-bottom-left-radius:var(--r-xs)!important}.chat-avatar,.progress-bar-cell{border-radius:var(--r-full)!important}.mode-card:hover,.scenario-card:hover,.study-card:hover{box-shadow:0 12px 32px var(--shadow-lg)!important;transform:translateY(-3px)!important}.sidebar{background:var(--paper-light)!important}.btn-primary,.btn-secondary,.chat-input,.grade-btn,.mcq-option,.mode-card,.nav-item,.plan-block,.scenario-card,.study-card,.text-input,.writing-textarea{transition:all .25s cubic-bezier(.2,.9,.3,1.1)!important}body{padding-top:var(--safe-top);padding-left:var(--safe-left);padding-right:var(--safe-right)}@media (min-width:768px) and (max-width:1023px){.app{grid-template-columns:200px 1fr!important}.sidebar{padding:24px 16px!important;position:sticky!important;top:0!important;height:100vh!important;flex-direction:column!important;border-right:1px solid var(--line)!important;border-top:none!important;z-index:auto!important}.brand,.brand-en,.streak-card{display:block!important}.brand{font-size:22px!important;margin-bottom:2px!important}.brand-en{font-size:12px!important;margin-bottom:28px!important}.nav{flex-direction:column!important;gap:4px!important}.nav-item{flex-direction:row!important;text-align:left!important;padding:10px 14px!important;font-size:13px!important;gap:12px!important}.nav-item .nav-jp{font-size:16px!important}.nav-item.active{background:var(--ink)!important;color:var(--paper-light)!important}.main{padding:36px 40px!important}.page-title{font-size:36px!important}.plan-blocks{grid-template-columns:repeat(5,1fr)!important}.plan-block{padding:12px!important}.plan-block-name{font-size:13px!important}.plan-block-en,.plan-block-meta{font-size:10px!important}.stats-row{grid-template-columns:repeat(4,1fr)!important}.study-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))!important}.mode-picker{grid-template-columns:1fr 1fr!important}.level-grid{grid-template-columns:repeat(5,1fr)!important}.kanji-detail,.writing-stage{grid-template-columns:1fr 1fr!important}}@media (max-width:767px){.main{padding:24px 18px calc(100px + var(--safe-bottom))!important}.sidebar{padding-bottom:calc(8px + var(--safe-bottom))!important}.nav-item{min-height:56px!important;padding:8px 4px!important}.btn-primary,.btn-secondary,.grade-btn{min-height:48px!important;padding-left:20px!important;padding-right:20px!important}.page-title{font-size:28px!important;line-height:1.15!important}.page-subtitle{font-size:13px!important}.plan-overview{padding:24px!important}.plan-overview:before{font-size:140px!important;right:-16px!important;top:-20px!important}.plan-blocks{grid-template-columns:1fr 1fr!important;gap:8px!important}.plan-block{padding:12px!important}.stat-value{font-size:24px!important}.kanji-big{font-size:110px!important}.prompt-main{font-size:56px!important}.prompt-main.smaller{font-size:36px!important}.card-shell{padding:28px 20px!important;min-height:280px!important}.chat-shell{height:calc(75vh - var(--safe-bottom))!important;min-height:420px!important}.mode-picker{grid-template-columns:1fr 1fr!important;gap:10px!important}.mode-card{padding:18px!important}.mode-icon{font-size:42px!important}.mode-name{font-size:17px!important}.writing-stage{grid-template-columns:1fr!important}.level-grid,.stats-row{grid-template-columns:1fr 1fr!important}.srs-ladder{padding:10px 12px!important}.srs-ladder-label{font-size:9px!important;margin-right:6px!important}.srs-ladder-step,.time-tracker{font-size:10px!important}.time-tracker{top:calc(8px + var(--safe-top))!important;right:12px!important;padding:4px 10px!important}.chat-input,.text-input,.writing-textarea{font-size:16px!important}}@media (max-width:480px){.main{padding:18px 14px calc(96px + var(--safe-bottom))!important}.page-title{font-size:24px!important}.plan-blocks{grid-template-columns:1fr 1fr!important}.mode-picker{grid-template-columns:1fr!important}.stats-row,.study-grid{gap:10px!important}.grade-actions,.stats-row,.study-grid{grid-template-columns:1fr 1fr!important}.kanji-detail{grid-template-columns:1fr!important}.chat-head{flex-wrap:wrap!important;gap:8px!important;padding:12px 14px!important}.difficulty-pill{order:3;margin-left:0!important}.voice-toggle{order:4;margin-left:auto!important}.kanji-big{font-size:90px!important}.prompt-main{font-size:48px!important}.complete-jp{font-size:60px!important}}@media (min-width:1280px){.main{max-width:1200px!important;padding:56px 72px!important}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}.settings-overlay{position:fixed;inset:0;background:rgba(74,61,47,.5);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .2s ease-out}.settings-modal{background:var(--paper-light);border-radius:var(--r-lg);max-width:520px;width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:bounce-in .4s cubic-bezier(.34,1.56,.64,1);border:1px solid var(--line)}.settings-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.settings-title{font-family:var(--jp-handwritten);font-size:22px;font-weight:700;color:var(--ink)}.settings-close{background:var(--paper-deep);border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:16px;color:var(--ink-soft);display:flex;align-items:center;justify-content:center;transition:all .2s}.settings-close:hover{background:var(--vermilion);color:#fff}.settings-body{padding:20px 24px;overflow-y:auto;flex:1}.settings-section{padding:16px 0;border-bottom:1px solid var(--line-soft)}.settings-section-title{font-family:var(--en-sans);font-size:14px;font-weight:700;color:var(--ink);margin-bottom:6px}.settings-section-desc{font-family:var(--en-sans);font-size:12px;color:var(--ink-soft);line-height:1.55}.settings-input{flex:1;padding:10px 14px;border:1.5px solid var(--line);background:var(--paper);border-radius:var(--r-sm);font-family:var(--mono);font-size:13px;outline:none;color:var(--ink);min-width:0}.settings-input:focus{border-color:var(--vermilion)}.settings-theme-options{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.settings-theme-btn{flex:1;min-width:100px;padding:10px 14px;border:1.5px solid var(--line);background:var(--paper);border-radius:var(--r-sm);cursor:pointer;font-family:var(--en-sans);font-size:13px;font-weight:600;color:var(--ink-soft);transition:all .2s}.settings-theme-btn.active,.settings-theme-btn:hover{border-color:var(--vermilion)}.settings-theme-btn.active{background:var(--vermilion);color:#fff}.settings-trigger{width:100%;margin-top:12px;padding:10px 14px;background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;font-family:var(--en-sans);font-size:13px;font-weight:600;color:var(--ink-soft);display:flex;align-items:center;gap:8px;transition:all .2s}.settings-trigger:hover{background:var(--paper-deep);color:var(--ink)}@media (max-width:768px){.settings-trigger{display:none!important}.settings-trigger.mobile-visible{display:flex!important;width:auto;padding:6px 10px;margin:0;font-size:11px}}.api-key-banner{background:var(--gold-soft);border:1px solid var(--gold);border-radius:var(--r-md);padding:14px 18px;margin-bottom:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.api-key-banner-icon{font-size:26px;flex-shrink:0}.api-key-banner-text{flex:1;font-family:var(--en-sans);font-size:13px;color:var(--ink);line-height:1.5;min-width:200px}.api-key-banner-text strong{display:block;margin-bottom:2px;font-size:14px}body,html{height:100%;height:-webkit-fill-available}body{min-height:100vh;min-height:-webkit-fill-available;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}button,input,select,textarea{font-size:16px;-webkit-tap-highlight-color:transparent}::-moz-selection{background:hsla(16,65%,65%,.3);color:var(--ink)}::selection{background:hsla(16,65%,65%,.3);color:var(--ink)}@media only screen and (min-device-width:1024px) and (max-device-width:1366px) and (orientation:landscape) and (-webkit-min-device-pixel-ratio:2){.container{padding:24px!important}.plan-blocks{grid-template-columns:repeat(5,1fr)!important;gap:12px!important}.stroke-svg,.tracer-canvas{max-width:420px!important}}@media only screen and (min-device-width:768px) and (max-device-width:1024px) and (orientation:portrait) and (-webkit-min-device-pixel-ratio:2){.container{padding:16px!important;grid-template-columns:1fr!important;grid-template-rows:auto 1fr!important}.sidebar{position:sticky!important;top:0;z-index:50;background:var(--paper-light)!important;border-right:none!important;border-bottom:1px solid var(--line)!important;padding:12px 16px!important;display:flex!important;flex-direction:row!important;align-items:center!important;gap:16px!important;height:auto!important}.brand{font-size:18px!important;margin-bottom:0!important}.brand-en{display:none!important}.nav{flex-direction:row!important;margin-top:0!important;gap:6px!important;flex:1}.nav-item{flex-direction:column!important;padding:6px 10px!important;min-height:48px!important}.nav-jp{font-size:11px!important}.nav-item span:last-child{font-size:12px!important}.streak-card{flex-shrink:0;padding:8px 12px!important;margin-top:0!important;text-align:center}.streak-num{font-size:22px!important}.streak-label,.streak-shield{font-size:10px!important}.main{padding:16px!important}.card-shell,.study-card{padding:24px!important}.mono-layout,.writing-layout{grid-template-columns:1fr!important}}@media (display-mode:standalone){body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.pwa-install-banner{display:none!important}}.pwa-install-banner,.streak-message-toast{transform:translateZ(0)}.tracer-canvas{touch-action:none!important;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;cursor:crosshair}@media (hover:none) and (pointer:coarse){.mode-card:hover,.plan-block:hover,.study-card:hover,button:hover{transform:none!important}.mode-card:active,.study-card:active,button:active{transform:scale(.98)!important;transition:transform .1s!important}}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus{outline:none}:focus-visible{outline:var(--focus-ring)!important;outline-offset:var(--focus-offset)!important;border-radius:var(--r-sm)}.skip-link{position:absolute;top:-100px;left:16px;padding:12px 20px;background:var(--ink);color:var(--paper-light);z-index:9999;border-radius:var(--r-md);font-family:var(--en-sans);font-weight:600;text-decoration:none;transition:top .2s}.skip-link:focus{top:16px}@media (prefers-contrast:more){:root{--ink-mute:var(--ink-soft);--line:rgba(74,61,47,.25);--shadow:rgba(74,61,47,.18)}.card-shell,.feedback-box,.mcq-option,.mode-card,.plan-block,.stat-card,.study-card{border-width:2px!important}}@media (hover:none){.mode-card:hover,.plan-block:hover,.study-card:hover{transform:none!important}}@keyframes sparkle-up{0%{transform:translateY(0) scale(0);opacity:0}20%{transform:translateY(-10px) scale(1);opacity:1}to{transform:translateY(-60px) scale(.5);opacity:0}}@keyframes bounce-in{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.08);opacity:1}80%{transform:scale(.97)}to{transform:scale(1)}}@keyframes wiggle{0%,to{transform:rotate(0deg)}25%{transform:rotate(-3deg)}75%{transform:rotate(3deg)}}@keyframes float-cute{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes pulse-soft{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}.feedback-box:not(.wrong):not(.almost){animation:bounce-in .5s cubic-bezier(.34,1.56,.64,1)}.sparkle-container{width:100%;height:100%;top:0;left:0;overflow:visible}.sparkle,.sparkle-container{position:absolute;pointer-events:none}.sparkle{width:12px;height:12px;animation:sparkle-up 1.2s ease-out forwards}.sparkle:before{content:"";position:absolute;inset:0;background:var(--sun);border-radius:50%;filter:blur(.5px)}.chat-thinking span{width:10px!important;height:10px!important;background:var(--vermilion)!important;position:relative;animation:pulse-soft 1.4s infinite!important}.brand{position:relative}.brand,.brand:after{display:inline-block}.brand:after{content:"";width:16px;height:16px;margin-left:8px;vertical-align:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><circle cx='50' cy='50' r='14' fill='%23f4cf6a'/><ellipse cx='50' cy='25' rx='12' ry='18' fill='%23efb6a8'/><ellipse cx='50' cy='75' rx='12' ry='18' fill='%23efb6a8'/><ellipse cx='25' cy='50' rx='18' ry='12' fill='%23efb6a8'/><ellipse cx='75' cy='50' rx='18' ry='12' fill='%23efb6a8'/></svg>");background-size:contain;animation:float-cute 3s ease-in-out infinite}.mode-card:hover,.scenario-card:hover,.study-card:hover{animation:wiggle .4s ease-out}[lang=ja-JP],[lang=ja]{font-family:var(--jp-serif)}.nav-item.active:before{content:"🌸";display:inline-block;margin-right:4px;font-size:12px;animation:float-cute 2.5s ease-in-out infinite}@media (max-width:767px){.nav-item.active:before{display:block;margin-right:0;margin-bottom:-2px}}.streak-card{background:var(--paper-light);border:solid var(--vermilion);border-width:2px 2px 4px;position:relative;overflow:hidden;color:var(--ink)}.streak-card:after{content:"☀";position:absolute;right:-6px;bottom:-14px;font-size:88px;opacity:.45;color:var(--gold);pointer-events:none;z-index:0}::-moz-placeholder{color:var(--ink-mute);opacity:.6;font-family:var(--jp-sans)}::placeholder{color:var(--ink-mute);opacity:.6;font-family:var(--jp-sans)}.grade-btn.again:before{content:"😢";font-size:16px;margin-bottom:4px}.grade-btn.hard:before{content:"🤔";font-size:16px;margin-bottom:4px}.grade-btn.good:before{content:"😊";font-size:16px;margin-bottom:4px}.grade-btn.easy:before{content:"🎉";font-size:16px;margin-bottom:4px}.plan-segment:focus-visible{outline-offset:4px}.study-card{background:var(--paper-light)!important}.kanji-hero{position:relative}.kanji-hero:before{top:16px;left:16px;width:32px;height:32px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g opacity='0.6'><circle cx='50' cy='50' r='10' fill='%23f4cf6a'/><ellipse cx='50' cy='28' rx='10' ry='15' fill='%23efb6a8'/><ellipse cx='50' cy='72' rx='10' ry='15' fill='%23efb6a8'/><ellipse cx='28' cy='50' rx='15' ry='10' fill='%23efb6a8'/><ellipse cx='72' cy='50' rx='15' ry='10' fill='%23efb6a8'/></svg>");animation:float-cute 4s ease-in-out infinite}.kanji-hero:after,.kanji-hero:before{content:"";position:absolute;background-size:contain}.kanji-hero:after{bottom:16px;right:16px;width:28px;height:28px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g opacity='0.5'><ellipse cx='50' cy='50' rx='25' ry='12' fill='%23a8d4c4' transform='rotate(-30 50 50)'/><ellipse cx='50' cy='50' rx='20' ry='10' fill='%2387a576' transform='rotate(45 50 50)'/></g></svg>");animation:float-cute 5s ease-in-out infinite reverse}.today-card{background:var(--vermilion-soft)!important;color:var(--ink)!important}.complete-state{background:var(--paper-light)!important;position:relative;overflow:hidden}.complete-state:before{content:"🌸";position:absolute;top:20px;left:30px;font-size:28px;animation:float-cute 3s ease-in-out infinite}.complete-state:after{content:"✨";position:absolute;top:30px;right:30px;font-size:28px;animation:float-cute 3.5s ease-in-out infinite reverse}.complete-jp{animation:bounce-in .7s cubic-bezier(.34,1.56,.64,1)}.app{min-height:100vh;min-height:-webkit-fill-available;min-height:100dvh}@media (max-width:1023.98px){.app{flex-direction:column!important;grid-template-columns:none!important;grid-template-rows:none!important}.app,.sidebar{display:flex!important}.sidebar{position:sticky!important;top:0!important;left:0!important;right:0!important;bottom:auto!important;width:100%!important;height:auto!important;max-height:none!important;min-height:0!important;flex-direction:row!important;align-items:center!important;justify-content:flex-start!important;gap:6px!important;padding:calc(8px + env(safe-area-inset-top, 0px)) 12px 8px!important;border-right:none!important;border-bottom:1px solid var(--line)!important;background:var(--paper-light)!important;z-index:100!important;overflow:visible!important}.brand{display:block!important;font-size:16px!important;margin-bottom:0!important;margin-right:4px!important;flex-shrink:0!important;white-space:nowrap!important;line-height:1.2!important}.brand-en{display:none!important}.nav{flex:1 1 auto!important;display:flex!important;flex-direction:row!important;gap:2px!important;justify-content:flex-end!important;margin-top:0!important;overflow-x:auto!important;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav-item{flex:0 0 auto!important;flex-direction:column!important;align-items:center!important;text-align:center!important;padding:6px 9px!important;min-height:0!important;width:auto!important;gap:1px!important;font-size:9.5px!important;line-height:1.2!important;border-radius:10px!important;color:var(--ink-soft)!important;background:transparent!important;border:none!important}.nav-item .nav-jp{font-size:17px!important;opacity:1!important;line-height:1!important;color:inherit!important}.nav-item span:last-child{font-size:9.5px!important;font-weight:600!important}.nav-item.active{background:var(--vermilion)!important;color:#fff!important}.nav-item:hover{background:var(--paper-deep)!important;color:var(--ink)!important}.nav-item.active:hover{background:var(--vermilion)!important;color:#fff!important}.sidebar-meta,.streak-card{display:none!important}.settings-trigger{flex:0 0 auto!important;width:auto!important;padding:7px 9px!important;margin:0 0 0 4px!important;font-size:16px!important;border-radius:10px!important}.settings-trigger>span:nth-child(2){display:none!important}.main{padding:20px 16px max(20px,env(safe-area-inset-bottom,0px))!important;min-height:0!important;width:100%!important}.plan-blocks{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}.plan-block{padding:12px!important}.stats-row{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}.kanji-detail{grid-template-columns:1fr!important;gap:24px!important}.mono-layout,.writing-layout,.writing-stage{grid-template-columns:1fr!important;gap:16px!important}.mode-picker{grid-template-columns:1fr!important}.level-grid{grid-template-columns:repeat(2,1fr)!important}.page-title{font-size:28px!important;line-height:1.2!important}.page-subtitle{font-size:14px!important}.card-shell,.study-card{padding:20px!important}.api-key-banner{flex-direction:column!important;text-align:center!important;align-items:stretch!important;padding:14px!important}.api-key-banner-text{min-width:0!important}}@media (max-width:479.98px){.nav-item:not(.active) span:last-child{display:none!important}.nav-item.active{padding:6px 12px!important}.nav-item .nav-jp{font-size:19px!important}.brand{font-size:14px!important}.main{padding:16px 14px 24px!important}.plan-blocks,.stats-row{grid-template-columns:1fr!important}}@media (min-width:1024px){.app{display:grid!important;grid-template-columns:240px 1fr!important;flex-direction:row!important}.sidebar{position:sticky!important;top:0!important;height:100vh!important;height:100dvh!important;width:auto!important;display:flex!important;flex-direction:column!important;align-items:stretch!important;justify-content:flex-start!important;padding:32px 20px!important;border-right:1px solid var(--line)!important;border-bottom:none!important;overflow-y:auto!important}.brand{font-size:26px!important;margin-bottom:4px!important;margin-right:0!important}.brand,.brand-en{display:block!important}.brand-en{font-size:13px!important;margin-bottom:32px!important}.nav{flex-direction:column!important;justify-content:flex-start!important;overflow:visible!important;gap:4px!important}.nav-item{flex:0 0 auto!important;flex-direction:row!important;text-align:left!important;padding:11px 14px!important;font-size:13px!important;gap:12px!important;width:100%!important;border-radius:6px!important}.nav-item .nav-jp{font-size:13px!important;opacity:.5!important}.nav-item span:last-child{font-size:14px!important}.nav-item.active{background:var(--ink)!important;color:var(--paper-light)!important}.streak-card{display:block!important;margin-top:auto!important}.settings-trigger{width:100%!important;padding:10px 14px!important;margin-top:12px!important;font-size:13px!important}.settings-trigger>span:nth-child(2){display:inline!important}.main{padding:36px 40px!important}.plan-blocks{grid-template-columns:repeat(5,1fr)!important}.stats-row{grid-template-columns:repeat(4,1fr)!important}.kanji-detail,.writing-stage{grid-template-columns:1fr 1fr!important}.level-grid{grid-template-columns:repeat(5,1fr)!important}}@media (min-width:1280px){.app{grid-template-columns:260px 1fr!important}.main{padding:48px 60px!important}}.level-bar-wrap{margin:18px 0 24px;padding:18px 20px;background:var(--paper-light);border-radius:var(--r-md);border:1px solid var(--line)}.level-bar-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:10px}.level-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--vermilion);color:#fff;border-radius:var(--r-full);font-family:var(--en-sans);font-weight:700;font-size:13px}.level-badge-emoji{font-size:18px}.level-xp-info{font-family:var(--en-sans);font-size:13px;color:var(--ink-soft)}.level-xp-info strong{color:var(--ink);font-size:15px;margin-right:4px}.level-xp-next{font-size:11px;margin-left:8px;opacity:.7}.level-bar-track{height:10px;background:var(--paper-deep);border-radius:var(--r-full);overflow:hidden;position:relative}.level-bar-fill{height:100%;background:var(--vermilion);border-radius:var(--r-full);transition:width .6s cubic-bezier(.34,1.56,.64,1);box-shadow:0 0 12px hsla(16,65%,65%,.4)}.difficulty-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.difficulty-picker.compact{grid-template-columns:repeat(3,1fr);gap:6px}.difficulty-btn{padding:14px 10px;background:var(--paper-light);border:2px solid var(--line);border-radius:var(--r-md);cursor:pointer;text-align:center;font-family:var(--en-sans);transition:all .25s cubic-bezier(.2,.9,.3,1.1)}.difficulty-picker.compact .difficulty-btn{padding:8px 6px;font-size:11px}.difficulty-btn:hover{border-color:var(--vermilion);transform:translateY(-2px)}.difficulty-btn.active{background:var(--vermilion-soft);border-color:var(--vermilion);box-shadow:0 4px 12px hsla(16,65%,65%,.25)}.difficulty-emoji{font-size:24px;margin-bottom:4px}.difficulty-picker.compact .difficulty-emoji{font-size:18px}.difficulty-label{font-weight:700;font-size:14px;color:var(--ink)}.difficulty-desc{font-size:11px;color:var(--ink-soft);margin-top:2px}.difficulty-mult{font-size:11px;font-weight:700;color:var(--vermilion);margin-top:4px}.combo-indicator{position:fixed;top:80px;right:16px;z-index:90;display:flex;align-items:center;gap:6px;padding:8px 14px;background:var(--vermilion);color:#fff;border-radius:var(--r-full);box-shadow:0 4px 16px rgba(0,0,0,.15);font-family:var(--en-sans);font-weight:700;font-size:14px;animation:comboSlideIn .4s cubic-bezier(.34,1.56,.64,1)}.combo-indicator.combo-good{background:var(--gold)}.combo-indicator.combo-great{background:var(--vermilion-deep)}.combo-indicator.combo-epic{background:var(--rose);font-size:16px;padding:10px 18px}.combo-indicator.flash{animation:comboFlash .6s ease-out}.combo-fire,.combo-num{font-size:18px}.combo-label{font-size:11px;opacity:.9}@keyframes comboSlideIn{0%{opacity:0;transform:translateX(40px) scale(.9)}to{opacity:1;transform:translateX(0) scale(1)}}@keyframes comboFlash{0%,to{transform:scale(1)}30%{transform:scale(1.25) rotate(-4deg);filter:brightness(1.3)}60%{transform:scale(1.15) rotate(2deg)}}.achievement-toast{position:fixed;top:16px;right:16px;max-width:320px;z-index:200;padding:14px 16px;background:var(--paper-light);border-radius:var(--r-md);box-shadow:0 12px 32px rgba(0,0,0,.2);border-left:4px solid var(--gold);animation:toastSlideIn .5s cubic-bezier(.34,1.56,.64,1)}.achievement-toast.tier-rare{border-left-color:var(--indigo)}.achievement-toast.tier-epic{border-left-color:var(--vermilion);box-shadow:0 12px 32px hsla(16,65%,65%,.3)}.achievement-toast-head{font-family:var(--en-sans);font-size:11px;font-weight:700;color:var(--gold);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.achievement-toast.tier-rare .achievement-toast-head{color:var(--indigo)}.achievement-toast.tier-epic .achievement-toast-head{color:var(--vermilion)}.achievement-toast-body{display:flex;align-items:center;gap:12px}.achievement-toast-emoji{font-size:36px;flex-shrink:0}.achievement-toast-name{font-weight:700;font-size:14px;color:var(--ink)}.achievement-toast-desc{font-size:12px;color:var(--ink-soft);margin-top:2px;line-height:1.4}@keyframes toastSlideIn{0%{opacity:0;transform:translateX(120%)}to{opacity:1;transform:translateX(0)}}.treasure-popup{position:fixed;inset:0;background:rgba(74,61,47,.4);backdrop-filter:blur(2px);z-index:300;display:flex;align-items:center;justify-content:center;cursor:pointer;animation:fadeIn .3s}.treasure-box{padding:30px 40px;background:var(--gold);color:#fff;border-radius:var(--r-lg);text-align:center;font-family:var(--en-sans);box-shadow:0 24px 60px rgba(0,0,0,.3);animation:treasurePop .5s cubic-bezier(.34,1.56,.64,1)}.treasure-emoji{font-size:64px;animation:treasureBounce .8s ease-in-out infinite}.treasure-text{margin-top:8px;font-size:16px;font-weight:700}.treasure-xp{margin-top:6px;font-size:28px;font-weight:900;text-shadow:0 2px 8px rgba(0,0,0,.2)}@keyframes treasurePop{0%{opacity:0;transform:scale(.4) rotate(-12deg)}to{opacity:1;transform:scale(1) rotate(0)}}@keyframes treasureBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.achievement-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:20px}.achievement-card{padding:18px;background:var(--paper-light);border-radius:var(--r-md);border:2px solid var(--line);text-align:center;transition:all .2s}.achievement-card.unlocked{border-color:var(--gold);background:var(--paper-light)}.achievement-card.unlocked.tier-rare{border-color:var(--indigo)}.achievement-card.unlocked.tier-epic{border-color:var(--vermilion);background:var(--vermilion-soft)}.achievement-card.locked{opacity:.5}.achievement-emoji{font-size:48px;margin-bottom:8px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.achievement-card.locked .achievement-emoji{filter:grayscale(1)}.achievement-name{font-family:var(--en-sans);font-weight:700;font-size:14px;color:var(--ink);margin-bottom:4px}.achievement-desc{font-size:12px;color:var(--ink-soft);line-height:1.4;margin-bottom:6px}.achievement-when{font-size:10px;color:var(--ink-mute);font-style:italic}@media (max-width:1023.98px){.combo-indicator{top:70px;right:12px;padding:6px 10px;font-size:12px}.combo-num{font-size:16px}.difficulty-picker{gap:6px}.difficulty-btn{padding:10px 6px}.difficulty-emoji{font-size:20px}.difficulty-label{font-size:13px}.difficulty-desc{display:none}.achievement-grid{grid-template-columns:1fr 1fr}}.next-step-hint{margin:18px 0 8px;padding:12px 14px;background:var(--gold-soft);border-radius:var(--r-sm);border-left:3px solid var(--gold);font-family:var(--en-sans);font-size:13px;color:var(--ink);line-height:1.5}.next-step-hint strong{color:var(--vermilion-deep)}.next-step-hint .hint-sparkle{color:var(--gold);font-weight:700}.shop-view{padding-bottom:60px}.shop-tabs{display:flex;gap:8px;margin:20px 0 18px;border-bottom:2px solid var(--line);padding-bottom:0}.shop-tab{flex:0 0 auto;padding:12px 22px;background:transparent;border:none;border-bottom:3px solid transparent;margin-bottom:-2px;color:var(--ink-soft);font-family:var(--en-sans);font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;display:inline-flex;align-items:baseline;gap:8px;letter-spacing:.02em}.shop-tab:hover{color:var(--ink);background:var(--paper-light)}.shop-tab.active{color:var(--vermilion-deep);border-bottom-color:var(--vermilion);background:transparent}.shop-tab-jp{font-family:var(--jp-serif);font-size:11px;color:var(--ink-mute);font-weight:500}.shop-tab.active .shop-tab-jp{color:var(--vermilion)}.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:8px}.shop-item{padding:20px 18px 16px;background:var(--paper-light);border-radius:var(--r-md);border:2px solid var(--line);display:flex;flex-direction:column;gap:10px;transition:all .18s;position:relative;overflow:hidden}.shop-item:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--vermilion);opacity:0;transition:opacity .2s}.shop-item:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}.shop-item:hover:before{opacity:1}.shop-item-disabled{opacity:.6;background:var(--paper-deep)}.shop-item-disabled:hover{transform:none;box-shadow:none;border-color:var(--line)}.shop-item-disabled:hover:before{opacity:0}.shop-item-head{display:flex;align-items:flex-start;gap:12px}.shop-item-emoji{font-size:38px;line-height:1;flex:0 0 auto;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08))}.shop-item-titles{flex:1;min-width:0}.shop-item-name{font-family:var(--en-sans);font-weight:700;font-size:16px;color:var(--ink);line-height:1.2}.shop-item-jp{font-family:var(--jp-serif);font-size:12px;color:var(--ink-mute);margin-top:2px;letter-spacing:.05em}.shop-item-cost{flex:0 0 auto;text-align:right;background:var(--gold-soft);padding:6px 10px;border-radius:var(--r-sm);line-height:1}.shop-cost-num{font-family:var(--en-sans);font-weight:700;font-size:16px;color:var(--vermilion-deep)}.shop-cost-unit{font-size:11px;margin-left:3px;font-weight:600}.shop-cost-unit,.shop-item-desc{font-family:var(--en-sans);color:var(--ink-soft)}.shop-item-desc{font-size:13px;line-height:1.5}.shop-item-detail{font-family:var(--en-sans);font-size:11.5px;color:var(--ink-mute);line-height:1.4;font-style:italic}.shop-item-owned{font-size:12px;color:var(--moss);background:var(--moss-soft);padding:6px 10px;border-radius:var(--r-sm);text-align:center;letter-spacing:.02em}.shop-buy-btn,.shop-item-owned{font-family:var(--en-sans);font-weight:700}.shop-buy-btn{margin-top:2px;padding:11px 16px;background:var(--vermilion);color:#fff;border:none;border-radius:var(--r-sm);font-size:13.5px;cursor:pointer;transition:all .15s;letter-spacing:.03em;box-shadow:0 2px 6px rgba(196,113,86,.25)}.shop-buy-btn:hover:not(.disabled):not(.cant-afford){transform:translateY(-1px);box-shadow:0 4px 10px rgba(196,113,86,.4)}.shop-buy-btn:active:not(.disabled){transform:translateY(0)}.shop-buy-btn.cant-afford,.shop-buy-btn.disabled{background:var(--paper-deep);color:var(--ink-mute);cursor:not-allowed;box-shadow:none;border:1px solid var(--line)}.shop-themes-placeholder{margin-top:20px;padding:60px 30px;background:var(--paper-light);border-radius:var(--r-md);border:2px dashed var(--gold);text-align:center}.shop-placeholder-emoji{font-size:56px;margin-bottom:14px;opacity:.85}.shop-placeholder-title{font-family:var(--en-sans);font-weight:700;font-size:18px;color:var(--vermilion-deep);margin-bottom:10px;letter-spacing:.02em}.shop-placeholder-desc{font-family:var(--en-sans);font-size:13.5px;color:var(--ink-soft);line-height:1.6;max-width:480px;margin:0 auto}.shop-toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);padding:12px 22px;border-radius:var(--r-full);font-family:var(--en-sans);font-size:14px;font-weight:600;z-index:200;box-shadow:0 8px 24px var(--shadow-lg);animation:shop-toast-in .3s ease-out;letter-spacing:.02em}.shop-toast-ok{background:var(--moss);color:#fff}.shop-toast-err{background:var(--paper-light);color:var(--vermilion-deep);border:2px solid var(--vermilion)}@keyframes shop-toast-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}@media (max-width:720px){.shop-grid{grid-template-columns:1fr}.shop-tab{padding:10px 16px;font-size:13px}.shop-item-emoji{font-size:34px}.shop-item-cost{padding:5px 9px}.shop-cost-num{font-size:15px}.shop-themes-placeholder{padding:40px 20px}.shop-placeholder-emoji{font-size:48px}}html[data-color-theme=hana]{--vermilion:#c97090;--vermilion-deep:#9d4f6c;--vermilion-soft:#f4dde4;--gold:#c89878;--gold-soft:#f0dccc;--paper:#fdf8fa;--paper-light:#fff;--paper-deep:#f3e2e8;--ink:#3a2530;--ink-soft:#5e4150;--ink-mute:#80667a;--moss:#9aae72;--indigo:#5e85b0;--rose:#c97090;--mint:#82b8a8;--line:rgba(58,37,48,.12);--line-soft:rgba(58,37,48,.06);--shadow:rgba(58,37,48,.08);--shadow-lg:rgba(58,37,48,.16);--green:#9aae72;--red:#c97090}html[data-theme=dark][data-color-theme=hana]{--vermilion:#e092a8;--vermilion-deep:#c97090;--vermilion-soft:rgba(224,146,168,.18);--gold:#e0b890;--gold-soft:hsla(30,56%,72%,.15);--paper:#2a1c22;--paper-deep:#20141a;--paper-light:#3a282f;--ink:#f0d8e0;--ink-soft:#d4b8c4;--ink-mute:#8a6d7a;--rose:#e092a8;--red:#e092a8}@media (prefers-color-scheme:dark){html[data-theme=auto][data-color-theme=hana]{--vermilion:#e092a8;--vermilion-deep:#c97090;--vermilion-soft:rgba(224,146,168,.18);--gold:#e0b890;--gold-soft:hsla(30,56%,72%,.15);--paper:#2a1c22;--paper-deep:#20141a;--paper-light:#3a282f;--ink:#f0d8e0;--ink-soft:#d4b8c4;--ink-mute:#8a6d7a;--rose:#e092a8;--red:#e092a8}}html[data-color-theme=momiji]{--vermilion:#c54a2c;--vermilion-deep:#9c3820;--vermilion-soft:#f8d8c8;--gold:#f0a040;--gold-soft:#fce5c0;--paper:#fff5e8;--paper-light:#fffaf0;--paper-deep:#fae5cc;--ink-soft:#6e4030;--sun:#f0a040;--red:#c54a2c}html[data-theme=dark][data-color-theme=momiji]{--vermilion:#e06848;--vermilion-deep:#b85030;--vermilion-soft:rgba(224,104,72,.22);--gold:#f4b86c;--gold-soft:hsla(34,86%,69%,.2);--paper:#2d1f15;--paper-deep:#251910;--paper-light:#3a2920;--ink-soft:#f0d0b8;--sun:#f4b86c;--red:#e06848}@media (prefers-color-scheme:dark){html[data-theme=auto][data-color-theme=momiji]{--vermilion:#e06848;--vermilion-deep:#b85030;--vermilion-soft:rgba(224,104,72,.22);--gold:#f4b86c;--gold-soft:hsla(34,86%,69%,.2);--paper:#2d1f15;--paper-deep:#251910;--paper-light:#3a2920;--ink-soft:#f0d0b8;--sun:#f4b86c;--red:#e06848}}html[data-color-theme=wakaba]{--vermilion:#7ac050;--vermilion-deep:#4a8838;--vermilion-soft:#d8edc6;--gold:#4a8838;--gold-soft:#d0e5c0;--paper:#f6faed;--paper-light:#fbfdf5;--paper-deep:#e8f0d8;--ink-soft:#4a5a3a;--moss:#7ac050;--green:#7ac050;--red:#c46848}html[data-theme=dark][data-color-theme=wakaba]{--vermilion:#98d670;--vermilion-deep:#70b048;--vermilion-soft:hsla(96,55%,64%,.22);--gold:#b8d088;--gold-soft:hsla(80,43%,67%,.2);--paper:#1f2816;--paper-deep:#182012;--paper-light:#2a3520;--ink-soft:#d0e0b8;--moss:#98d670;--green:#98d670;--red:#d09060}@media (prefers-color-scheme:dark){html[data-theme=auto][data-color-theme=wakaba]{--vermilion:#98d670;--vermilion-deep:#70b048;--vermilion-soft:hsla(96,55%,64%,.22);--gold:#b8d088;--gold-soft:hsla(80,43%,67%,.2);--paper:#1f2816;--paper-deep:#182012;--paper-light:#2a3520;--ink-soft:#d0e0b8;--moss:#98d670;--green:#98d670;--red:#d09060}}html[data-color-theme=hasu]{--vermilion:#4a9088;--vermilion-deep:#2c7068;--vermilion-soft:#d0e5e0;--gold:#2c5878;--gold-soft:#d0dde8;--paper:#f0f7f5;--paper-light:#f8fcfb;--paper-deep:#dde8e4;--ink-soft:#3a5560;--indigo:#2c5878;--red:#4a9088}html[data-theme=dark][data-color-theme=hasu]{--vermilion:#68b0a8;--vermilion-deep:#4a9088;--vermilion-soft:rgba(104,176,168,.22);--gold:#80a8c0;--gold-soft:rgba(128,168,192,.2);--paper:#182830;--paper-deep:#131e25;--paper-light:#20323a;--ink-soft:#b8d0d0;--indigo:#80a8c0;--red:#68b0a8}@media (prefers-color-scheme:dark){html[data-theme=auto][data-color-theme=hasu]{--vermilion:#68b0a8;--vermilion-deep:#4a9088;--vermilion-soft:rgba(104,176,168,.22);--gold:#80a8c0;--gold-soft:rgba(128,168,192,.2);--paper:#182830;--paper-deep:#131e25;--paper-light:#20323a;--ink-soft:#b8d0d0;--indigo:#80a8c0;--red:#68b0a8}}html[data-color-theme=icho]{--vermilion:#e8a830;--vermilion-deep:#b88838;--vermilion-soft:#fae8c8;--gold:#b88838;--gold-soft:#f0d8a8;--paper:#fff8e8;--paper-light:#fffcf0;--paper-deep:#f8ecd0;--ink-soft:#6a5530;--sun:#e8a830;--red:#c47038}html[data-theme=dark][data-color-theme=icho]{--vermilion:#f4c060;--vermilion-deep:#d09838;--vermilion-soft:rgba(244,192,96,.22);--gold:#d8b078;--gold-soft:hsla(35,55%,66%,.2);--paper:#2a2418;--paper-deep:#211d12;--paper-light:#362e20;--ink-soft:#e8d8a8;--sun:#f4c060;--red:#e09058}@media (prefers-color-scheme:dark){html[data-theme=auto][data-color-theme=icho]{--vermilion:#f4c060;--vermilion-deep:#d09838;--vermilion-soft:rgba(244,192,96,.22);--gold:#d8b078;--gold-soft:hsla(35,55%,66%,.2);--paper:#2a2418;--paper-deep:#211d12;--paper-light:#362e20;--ink-soft:#e8d8a8;--sun:#f4c060;--red:#e09058}}.shop-themes-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.shop-theme-card{padding:20px 18px 16px;background:var(--paper-light);border-radius:var(--r-md);border:2px solid var(--line);display:flex;flex-direction:column;gap:12px;transition:all .18s;position:relative;overflow:hidden}.shop-theme-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--vermilion);opacity:0;transition:opacity .2s}.shop-theme-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}.shop-theme-card:hover:before{opacity:1}.shop-theme-card.is-active{border-color:var(--vermilion);background:var(--paper-light)}.shop-theme-card.is-active:before{opacity:1}.shop-theme-head{display:flex;align-items:flex-start;gap:12px}.shop-theme-emoji{font-size:38px;line-height:1;flex:0 0 auto;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08))}.shop-theme-titles{flex:1;min-width:0}.shop-theme-name{font-family:var(--en-sans);font-weight:700;font-size:17px;color:var(--ink);line-height:1.2}.shop-theme-jp{font-family:var(--jp-serif);font-size:13px;color:var(--ink-mute);margin-top:3px;letter-spacing:.08em}.shop-theme-owned-badge{flex:0 0 auto;font-family:var(--en-sans);font-size:10.5px;font-weight:700;color:var(--moss);background:var(--moss-soft);padding:5px 10px;border-radius:var(--r-full);letter-spacing:.05em;align-self:center}.shop-theme-preview{display:flex;gap:8px;padding:4px 0}.shop-theme-chip{width:36px;height:36px;border-radius:var(--r-full);border:2px solid var(--paper-light);box-shadow:0 2px 6px rgba(0,0,0,.12),inset 0 0 0 1px var(--line);transition:transform .15s}.shop-theme-card:hover .shop-theme-chip{transform:scale(1.05)}.shop-theme-card:hover .shop-theme-chip:nth-child(2){transition-delay:.04s}.shop-theme-card:hover .shop-theme-chip:nth-child(3){transition-delay:.08s}.shop-buy-btn.shop-theme-apply{background:var(--gold);box-shadow:0 2px 6px hsla(35,56%,66%,.3)}.shop-buy-btn.shop-theme-apply:hover:not(:disabled){box-shadow:0 4px 10px hsla(35,56%,66%,.45)}.shop-buy-btn.shop-theme-active{background:var(--vermilion-soft);color:var(--vermilion-deep);border:2px solid var(--vermilion);cursor:default;font-weight:700;box-shadow:none}.shop-buy-btn.shop-theme-active:hover{transform:none;box-shadow:none}@media (max-width:720px){.shop-themes-grid{grid-template-columns:1fr}.shop-theme-chip{width:32px;height:32px}.shop-theme-name{font-size:15px}.shop-theme-emoji{font-size:34px}}.shop-friends-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.shop-friend-card{padding:18px 18px 16px;background:var(--paper-light);border-radius:var(--r-md);border:2px solid var(--line);display:flex;flex-direction:column;gap:12px;transition:all .18s;position:relative;overflow:hidden}.shop-friend-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--vermilion);opacity:0;transition:opacity .2s}.shop-friend-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}.shop-friend-card:hover:before{opacity:1}.shop-friend-card.is-active{border-color:var(--vermilion);background:var(--paper-light)}.shop-friend-card.is-active:before{opacity:1}.shop-friend-head{display:flex;align-items:flex-start;gap:14px}.shop-friend-portrait{flex:0 0 auto;width:56px;height:56px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-md);background:var(--paper);border:1px solid var(--line);overflow:hidden}.shop-friend-portrait img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain;display:block}.shop-friend-emoji{font-size:36px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08))}.shop-friend-titles{flex:1;min-width:0}.shop-friend-name{font-family:var(--en-sans);font-weight:700;font-size:17px;color:var(--ink);line-height:1.2}.shop-friend-jp{font-family:var(--jp-serif);font-size:13px;color:var(--ink-mute);margin-top:3px;letter-spacing:.08em}.shop-friend-theme-tag{font-family:var(--en-sans);font-size:12px;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);padding:7px 10px;border-radius:var(--r-sm);display:inline-flex;align-items:baseline;gap:4px;width:-moz-fit-content;width:fit-content}.shop-friend-theme-tag strong{color:var(--vermilion-deep);font-weight:700}.shop-friend-theme-jp{font-family:var(--jp-serif);font-size:11px;color:var(--ink-mute);margin-left:4px}.shop-friend-theme-tag-none{color:var(--ink-mute);background:transparent;border-style:dashed;font-size:11.5px}@media (max-width:720px){.shop-friends-grid{grid-template-columns:1fr}.shop-friend-portrait{width:48px;height:48px}.shop-friend-emoji{font-size:32px}.shop-friend-name{font-size:15px}}.dashboard-header-with-avatar{display:flex;align-items:flex-start;gap:24px}.dashboard-header-text{flex:1;min-width:0}.avatar{display:inline-flex;align-items:center;justify-content:center;line-height:1;flex:0 0 auto;transition:all .3s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.avatar-large{font-size:72px;width:96px;height:96px}.avatar-medium{font-size:48px;width:64px;height:64px}.avatar.avatar-glow{filter:drop-shadow(0 0 12px var(--vermilion)) drop-shadow(0 2px 4px rgba(0,0,0,.1));animation:avatar-glow-pulse 3s ease-in-out infinite}@keyframes avatar-glow-pulse{0%,to{filter:drop-shadow(0 0 8px var(--vermilion)) drop-shadow(0 2px 4px rgba(0,0,0,.1))}50%{filter:drop-shadow(0 0 16px var(--vermilion)) drop-shadow(0 2px 4px rgba(0,0,0,.1))}}.avatar.avatar-normal{filter:drop-shadow(0 2px 4px rgba(0,0,0,.12))}.avatar.avatar-dim{opacity:.7;filter:grayscale(.2) drop-shadow(0 2px 4px rgba(0,0,0,.08))}@media (max-width:720px){.dashboard-header-with-avatar{flex-direction:column;align-items:center;text-align:center;gap:12px}.avatar-large{font-size:56px;width:80px;height:80px}}.levelup-overlay{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;cursor:pointer;animation:levelup-fadein .3s ease-out}@keyframes levelup-fadein{0%{opacity:0}to{opacity:1}}.levelup-backdrop{position:absolute;inset:0;background:var(--vermilion-soft);backdrop-filter:blur(4px)}.levelup-content{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;z-index:1;animation:levelup-pop .6s cubic-bezier(.34,1.56,.64,1)}@keyframes levelup-pop{0%{transform:scale(0) rotate(-180deg);opacity:0}60%{transform:scale(1.15) rotate(8deg);opacity:1}to{transform:scale(1) rotate(0deg);opacity:1}}.levelup-avatar{font-size:160px;line-height:1;filter:drop-shadow(0 0 30px var(--vermilion)) drop-shadow(0 8px 24px rgba(0,0,0,.3));animation:levelup-bounce .8s ease-in-out infinite alternate}@keyframes levelup-bounce{0%{transform:translateY(0)}to{transform:translateY(-8px)}}.levelup-label{font-family:var(--en-sans);font-weight:700;font-size:38px;color:#fff;text-shadow:0 4px 12px rgba(0,0,0,.4),0 0 24px var(--vermilion);letter-spacing:.05em}.levelup-jp{font-family:var(--jp-serif);font-size:20px;color:var(--gold);text-shadow:0 2px 8px rgba(0,0,0,.4);letter-spacing:.1em}.levelup-sparkles{position:absolute;inset:-40px;pointer-events:none}.levelup-spark{position:absolute;font-size:28px;opacity:0;animation:levelup-spark-fly 1.4s ease-out forwards;animation-delay:calc(var(--i) * .05s)}@keyframes levelup-spark-fly{0%{opacity:0;transform:scale(0) translate(0)}30%{opacity:1}to{opacity:0;transform:scale(1.5) translateY(-20px)}}@media (max-width:720px){.levelup-avatar{font-size:110px}.levelup-label{font-size:28px}.levelup-jp{font-size:16px}.levelup-spark{font-size:22px}}.level-bar-track{overflow:visible!important}.level-milestone{position:absolute;top:50%;transform:translate(-50%,-50%);font-size:18px;line-height:1;z-index:2;cursor:help;transition:transform .2s,filter .2s;pointer-events:auto}.level-milestone:hover{transform:translate(-50%,-50%) scale(1.3)}.level-milestone.reached{filter:drop-shadow(0 0 6px var(--gold)) drop-shadow(0 1px 2px rgba(0,0,0,.2))}.level-milestone.locked{filter:grayscale(1) opacity(.45)}.weekly-chart-wrap{margin:24px 0;padding:20px 22px 18px;background:var(--paper-light);border-radius:var(--r-md);border:1px solid var(--line);box-shadow:0 2px 8px var(--shadow)}.weekly-chart-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px;flex-wrap:wrap;gap:8px}.weekly-chart-title{font-family:var(--en-sans);font-weight:700;font-size:15px;color:var(--ink);letter-spacing:.02em}.weekly-chart-jp{font-family:var(--jp-serif);font-size:12px;color:var(--ink-mute);margin-left:6px;letter-spacing:.08em}.weekly-chart-total{font-family:var(--en-sans);font-size:13px;color:var(--ink-soft)}.weekly-chart-total strong{color:var(--vermilion-deep);font-weight:700}.weekly-chart{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;height:140px}.weekly-day{display:flex;flex-direction:column;align-items:center;gap:4px;height:100%}.weekly-bar-label{font-family:var(--en-sans);font-size:10.5px;color:var(--ink-mute);font-weight:600;height:14px;white-space:nowrap;letter-spacing:.01em}.weekly-day.is-today .weekly-bar-label{color:var(--vermilion-deep);font-weight:700}.weekly-bar-track{flex:1;width:100%;display:flex;align-items:flex-end;background:transparent;border-radius:var(--r-xs);position:relative;min-height:60px}.weekly-bar{width:100%;border-radius:var(--r-xs) var(--r-xs) 2px 2px;transition:height .5s cubic-bezier(.34,1.56,.64,1);min-height:4px;box-shadow:0 -1px 3px rgba(0,0,0,.06)}.weekly-bar-d0{background:var(--vermilion)}.weekly-bar-d1{background:var(--indigo)}.weekly-bar-d2{background:var(--rose)}.weekly-bar-d3{background:var(--moss)}.weekly-bar-d4{background:var(--mint)}.weekly-bar-d5{background:var(--gold)}.weekly-bar-d6{background:var(--lavender)}.weekly-day.is-empty .weekly-bar{background:var(--line);height:4px!important;box-shadow:none}.weekly-day.is-today .weekly-bar-track{background:var(--vermilion-soft);outline:2px solid var(--vermilion);outline-offset:1px;border-radius:var(--r-xs)}.weekly-day-label{font-family:var(--jp-serif);font-size:13px;color:var(--ink-soft);font-weight:600;letter-spacing:.05em;height:16px}.weekly-day.is-today .weekly-day-label{color:var(--vermilion-deep);font-weight:700}@media (max-width:720px){.weekly-chart-wrap{padding:16px 14px}.weekly-chart{gap:4px;height:120px}.weekly-bar-label{font-size:9.5px}.weekly-day-label{font-size:12px}.weekly-bar-track{min-height:50px}}.avatar.avatar-image{position:relative;font-size:0}.avatar.avatar-image img,.avatar.avatar-image picture{width:100%;height:100%;display:block;-o-object-fit:contain;object-fit:contain;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-user-drag:none;transition:transform .3s ease,filter .3s ease}.avatar.avatar-image.avatar-glow img{filter:drop-shadow(0 0 14px var(--vermilion)) drop-shadow(0 0 24px var(--gold)) drop-shadow(0 2px 4px rgba(0,0,0,.12));animation:avatar-img-pulse 3s ease-in-out infinite}@keyframes avatar-img-pulse{0%,to{filter:drop-shadow(0 0 10px var(--vermilion)) drop-shadow(0 0 18px var(--gold)) drop-shadow(0 2px 4px rgba(0,0,0,.12));transform:scale(1)}50%{filter:drop-shadow(0 0 18px var(--vermilion)) drop-shadow(0 0 30px var(--gold)) drop-shadow(0 2px 4px rgba(0,0,0,.12));transform:scale(1.03)}}.avatar.avatar-image.avatar-normal img{filter:drop-shadow(0 4px 6px rgba(0,0,0,.14))}.avatar.avatar-image.avatar-dim img{filter:grayscale(.15) drop-shadow(0 2px 4px rgba(0,0,0,.08));opacity:.85}.avatar.avatar-image[data-pose]{transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.avatar.avatar-image[data-pose=happy] img{animation-name:avatar-img-pulse,avatar-img-bounce;animation-duration:3s,.8s;animation-iteration-count:infinite,1;animation-timing-function:ease-in-out,cubic-bezier(.34,1.56,.64,1)}@keyframes avatar-img-bounce{0%{transform:translateY(8px) scale(.92)}to{transform:translateY(0) scale(1)}}.levelup-fullbody{position:relative;max-width:min(72vw,480px);max-height:min(70vh,720px);display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 0 40px var(--vermilion)) drop-shadow(0 16px 40px rgba(0,0,0,.4));animation:levelup-fullbody-rise .9s cubic-bezier(.34,1.56,.64,1)}.levelup-fullbody img{width:100%;height:auto;-o-object-fit:contain;object-fit:contain;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-user-drag:none}@keyframes levelup-fullbody-rise{0%{opacity:0;transform:translateY(40px) scale(.85)}60%{opacity:1;transform:translateY(-8px) scale(1.04)}to{opacity:1;transform:translateY(0) scale(1)}}.levelup-text-block{display:flex;flex-direction:column;align-items:center;gap:4px;margin-top:-8px}.levelup-dismiss-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);background:hsla(0,0%,100%,.1);border:1px solid hsla(0,0%,100%,.25);color:hsla(0,0%,100%,.7);font-family:var(--en-sans);font-size:12px;font-weight:500;padding:8px 18px;border-radius:var(--r-full);cursor:pointer;letter-spacing:.05em;backdrop-filter:blur(8px);animation:levelup-hint-fadein 1.4s 1.5s both;transition:background .2s}.levelup-dismiss-hint:hover{background:hsla(0,0%,100%,.2);color:#fff}@keyframes levelup-hint-fadein{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}.levelup-fullbody+.levelup-text-block .levelup-label{font-size:44px;text-shadow:0 4px 16px rgba(0,0,0,.5),0 0 32px var(--vermilion)}@media (max-width:720px){.levelup-fullbody{max-width:80vw;max-height:56vh}.levelup-fullbody+.levelup-text-block .levelup-label{font-size:30px}.levelup-dismiss-hint{font-size:11px;bottom:24px;padding:7px 14px}}.session-complete-character{display:flex;flex-direction:column;align-items:center;gap:12px;margin:0 auto 16px;animation:session-char-rise .6s cubic-bezier(.34,1.56,.64,1)}@keyframes session-char-rise{0%{opacity:0;transform:translateY(20px) scale(.92)}to{opacity:1;transform:translateY(0) scale(1)}}.session-complete-sd{width:180px;height:180px;display:flex;align-items:center;justify-content:center}.session-complete-sd img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-user-drag:none}.session-complete-sd.avatar-glow img{filter:drop-shadow(0 0 18px var(--vermilion)) drop-shadow(0 0 30px var(--gold)) drop-shadow(0 4px 8px rgba(0,0,0,.12));animation:avatar-img-pulse 3s ease-in-out infinite}.session-complete-sd.avatar-normal img{filter:drop-shadow(0 6px 12px rgba(0,0,0,.15))}.session-complete-sd.avatar-dim img{filter:drop-shadow(0 4px 8px rgba(0,0,0,.1));opacity:.95}.session-complete-bubble{text-align:center;max-width:340px}.session-complete-title{font-family:var(--en-sans);font-weight:700;font-size:22px;color:var(--vermilion-deep);margin-bottom:6px;letter-spacing:.02em}.session-complete-sub{font-family:var(--en-sans);font-size:14px;color:var(--ink-soft);line-height:1.5}@media (max-width:720px){.session-complete-sd{width:140px;height:140px}.session-complete-title{font-size:19px}.session-complete-sub{font-size:13px}}.levelup-fullbody-wrap{position:relative;display:inline-block}.levelup-friend-companion{position:absolute;bottom:8%;right:-12%;font-size:64px;line-height:1;filter:drop-shadow(0 0 18px var(--gold)) drop-shadow(0 4px 12px rgba(0,0,0,.3));animation:levelup-friend-sway 2.4s ease-in-out infinite}@keyframes levelup-friend-sway{0%,to{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-6px) rotate(4deg)}}@media (max-width:720px){.levelup-friend-companion{font-size:44px;right:-8%}}.session-complete-emoji{display:inline-flex;align-items:center;justify-content:center}.session-complete-emoji span{font-size:120px;line-height:1;filter:drop-shadow(0 0 16px var(--vermilion-soft)) drop-shadow(0 4px 8px rgba(0,0,0,.12))}@media (max-width:720px){.session-complete-emoji span{font-size:96px}}.daily-complete-overlay{position:fixed;inset:0;z-index:290;display:flex;align-items:center;justify-content:center;cursor:pointer;animation:dailycomplete-fadein .4s ease-out;overflow:hidden}@keyframes dailycomplete-fadein{0%{opacity:0}to{opacity:1}}.daily-complete-backdrop{position:absolute;inset:0;background:var(--vermilion-soft),var(--gold-soft),rgba(20,12,10,.55);backdrop-filter:blur(6px)}.daily-complete-petals{position:absolute;inset:0;pointer-events:none;overflow:hidden}.daily-complete-petal{position:absolute;top:-10%;animation:dailycomplete-petal-fall linear forwards;animation-iteration-count:infinite;will-change:transform,opacity;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}@keyframes dailycomplete-petal-fall{0%{transform:translate3d(0,-20vh,0) rotate(0deg);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translate3d(var(--drift,0),115vh,0) rotate(540deg);opacity:0}}.daily-complete-content{position:relative;display:grid;grid-template-columns:auto auto auto;grid-template-rows:auto auto;grid-template-areas:"left1 mascot right1" "left2 text   right2";align-items:center;justify-items:center;gap:16px 24px;z-index:1;animation:dailycomplete-rise .7s cubic-bezier(.34,1.56,.64,1)}@keyframes dailycomplete-rise{0%{transform:translateY(40px) scale(.85);opacity:0}60%{transform:translateY(-6px) scale(1.05);opacity:1}to{transform:translateY(0) scale(1);opacity:1}}.daily-complete-mascot{grid-area:mascot;width:clamp(180px,28vw,280px);filter:drop-shadow(0 0 40px var(--vermilion)) drop-shadow(0 12px 28px rgba(0,0,0,.35));animation:dailycomplete-mascot-breathe 3s ease-in-out infinite}.daily-complete-mascot img{width:100%;height:auto;display:block}.daily-complete-mascot-emoji{font-size:140px;line-height:1}@keyframes dailycomplete-mascot-breathe{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.02)}}.daily-complete-friend{font-size:56px;line-height:1;filter:drop-shadow(0 0 16px var(--gold)) drop-shadow(0 4px 10px rgba(0,0,0,.25))}.daily-complete-friend>span{display:inline-block;animation:dailycomplete-friend-sway 2.6s ease-in-out infinite}@keyframes dailycomplete-friend-sway{0%,to{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-8px) rotate(6deg)}}.daily-complete-friend-left-1{grid-area:left1}.daily-complete-friend-left-2{grid-area:left2}.daily-complete-friend-right-1{grid-area:right1}.daily-complete-friend-right-2{grid-area:right2}.daily-complete-text-block{grid-area:text;text-align:center;padding:0 16px;min-width:240px}.daily-complete-title{font-family:var(--en-sans);font-weight:700;font-size:32px;color:#fff;text-shadow:0 4px 14px rgba(0,0,0,.45),0 0 28px var(--vermilion);letter-spacing:.03em;margin-bottom:6px}.daily-complete-jp{font-family:var(--jp-serif);font-size:22px;color:var(--gold);text-shadow:0 2px 8px rgba(0,0,0,.45);letter-spacing:.12em;margin-bottom:10px}.daily-complete-sub{font-family:var(--en-sans);font-size:14px;color:hsla(0,0%,100%,.88);letter-spacing:.04em;font-weight:500;text-shadow:0 2px 6px rgba(0,0,0,.4)}@media (max-width:720px){.daily-complete-content{gap:8px 12px}.daily-complete-mascot{width:clamp(140px,50vw,200px)}.daily-complete-mascot-emoji{font-size:100px}.daily-complete-friend{font-size:38px}.daily-complete-title{font-size:24px}.daily-complete-jp{font-size:17px}.daily-complete-sub{font-size:12px}}.shop-friend-preview-btn{font-family:var(--en-sans);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink-soft);background:transparent;border:1.5px dashed var(--line);border-radius:var(--r-sm);padding:8px 10px;cursor:pointer;transition:all .18s;width:100%}.shop-friend-preview-btn:hover{border-color:var(--gold);background:var(--gold-soft);color:var(--ink)}.shop-friend-preview-btn:active{transform:translateY(1px)}.shop-friend-preview-btn.is-on{border-style:solid;border-color:var(--vermilion);background:var(--vermilion-soft);color:var(--vermilion-deep)}.shop-friend-card.is-previewing{border-color:var(--vermilion);box-shadow:0 0 0 3px var(--vermilion-soft),0 8px 24px var(--shadow)}.shop-friend-preview-badge{position:absolute;top:0;right:0;font-family:var(--en-sans);font-size:10.5px;font-weight:700;letter-spacing:.05em;color:#fff;background:var(--vermilion);padding:4px 10px;border-radius:0 var(--r-md) 0 var(--r-sm);z-index:2}.preview-toast{position:fixed;top:calc(72px + var(--safe-top, 0px));right:16px;left:auto;max-width:360px;display:flex;align-items:flex-start;gap:12px;padding:12px 14px 14px;background:var(--paper-light);border:1.5px solid var(--vermilion);border-radius:var(--r-md);box-shadow:0 12px 32px var(--shadow-lg);z-index:280;animation:preview-toast-in .35s cubic-bezier(.34,1.56,.64,1);pointer-events:auto}@keyframes preview-toast-in{0%{opacity:0;transform:translateX(20px) scale(.92)}to{opacity:1;transform:translateX(0) scale(1)}}.preview-toast-emoji{font-size:32px;line-height:1;flex:0 0 auto;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.preview-toast-body{flex:1;min-width:0}.preview-toast-title{font-family:var(--en-sans);font-size:14px;color:var(--ink);margin-bottom:2px}.preview-toast-title strong{color:var(--vermilion-deep);font-weight:700}.preview-toast-sub{font-family:var(--en-sans);font-size:11.5px;color:var(--ink-mute);letter-spacing:.02em;margin-bottom:8px}.preview-toast-progress{height:3px;background:var(--line);border-radius:3px;overflow:hidden}.preview-toast-progress-fill{height:100%;width:100%;background:var(--vermilion);transform-origin:left center;animation:preview-toast-countdown 8s linear forwards}@keyframes preview-toast-countdown{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.preview-toast-stop{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:none;background:var(--line);color:var(--ink-soft);font-size:14px;font-weight:700;cursor:pointer;transition:all .15s;align-self:center}.preview-toast-stop:hover{background:var(--vermilion-soft);color:var(--vermilion-deep)}@media (max-width:720px){.preview-toast{top:calc(64px + var(--safe-top, 0px));right:12px;left:12px;max-width:none}.preview-toast-emoji{font-size:28px}.preview-toast-title{font-size:13px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.plan-segment.vocab{background:var(--vermilion)}.plan-segment.grammar{background:var(--gold);background-image:repeating-linear-gradient(45deg,transparent 0 4px,hsla(0,0%,100%,.18) 4px 8px)}.plan-segment.input{background:var(--mint);background-image:repeating-linear-gradient(-45deg,transparent 0 4px,hsla(0,0%,100%,.18) 4px 8px)}.plan-segment.output{background:var(--indigo);background-image:repeating-linear-gradient(90deg,transparent 0 5px,hsla(0,0%,100%,.16) 5px 7px)}.plan-segment.review{background:var(--rose);background-image:repeating-linear-gradient(0deg,transparent 0 5px,hsla(0,0%,100%,.16) 5px 7px)}.jp-serif,:lang(ja),[lang=ja]{line-height:1.7}.complete-msg,.level-badge-text,.page-title,.session-title,.shop-friend-name,.shop-theme-name,.stat-value{line-height:1.2}:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset);border-radius:var(--r-xs)}a:focus-visible,button:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}