:root{--ink:#304c40;--muted:#6e7f70;--forest:#416a53;--forest-dark:#2a4c3b;--cream:#fbf8ef;--paper:#fffdf7;--line:#dce3d3;--grass:#eaf0da;--mint:#cee4c0;--gold:#edc678;--peach:#f6e3cc;--shadow:#d9dfcb;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Segoe UI","Noto Sans",Meiryo,"Yu Gothic",Arial,sans-serif;font-size:16px;line-height:1.75}button,select,input{font:inherit}button,select{cursor:pointer}button{border:0;color:inherit}button:disabled{cursor:default;opacity:.5}button,select,input,a{outline-offset:4px}:focus-visible{outline:3px solid #b98548}button:hover:not(:disabled){filter:brightness(.96)}button{transition:transform .12s,background .12s}button:active:not(:disabled){transform:translateY(2px)}header,main,footer{max-width:1200px;margin-inline:auto}header{padding:25px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{position:relative;display:grid;grid-template-columns:42px 1fr;grid-template-rows:auto auto;column-gap:12px;background:transparent;text-align:start;padding:0}.brand-fox{width:42px;grid-row:1/3;align-self:center;image-rendering:pixelated}.brand-title{font-family:Georgia,"Times New Roman",serif;font-size:25px;font-weight:700;line-height:1.25;letter-spacing:-.7px}.brand-sub{font-size:10px;letter-spacing:1.5px;color:var(--muted)}.header-controls{display:flex;align-items:center;gap:14px}select{max-width:100%;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 32px 10px 12px;min-height:44px}select:dir(rtl){padding:10px 12px 10px 32px}.language select{font-size:12px;width:132px}.plus-button{background:#f5e8c6;border:1px solid #e5d2a4;border-radius:7px;font-size:12px;padding:9px 15px;min-height:44px;white-space:nowrap}main{padding:0 40px}.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:20px;align-items:center;padding:46px 0 38px;min-height:380px}.badge{display:inline-block;font-size:10px;letter-spacing:1.2px;font-weight:700;padding:5px 10px;background:var(--grass);border-radius:5px;line-height:1.5;max-width:100%}h1{font-size:clamp(28px,3.3vw,44px);line-height:1.5;letter-spacing:-.6px;margin:21px 0 16px;font-weight:700;text-wrap:balance}.hero-description{font-size:14px;color:var(--muted);max-width:450px;margin-bottom:25px}.primary{background:var(--forest);color:#fffdf3;border:2px solid var(--forest-dark);border-radius:7px;padding:12px 22px;font-weight:650;box-shadow:3px 3px 0 #c2cdb5;min-height:48px;font-size:14px}.primary:hover:not(:disabled){background:var(--forest-dark)}.hero-start{min-width:190px}.micro{font-size:11px;line-height:1.9;color:var(--muted);margin-bottom:0}.hero-copy>.micro{max-width:340px}.hero-scene{position:relative;border:7px solid #f1ead7;box-shadow:3px 3px 0 #dddcc5;border-radius:6px;background:#dfead9;overflow:hidden;transform:rotate(1deg)}.scene-art{display:block;width:100%;height:auto;image-rendering:pixelated}.scene-label{display:block;text-align:center;background:#f1ead7;color:#75836a;font-size:8px;letter-spacing:2px;padding-top:4px}.dashboard{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:4px 0 22px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:3px 4px 0 #e5e7d9;padding:25px 28px}.panel h2{font-size:17px;line-height:1.5;margin:0 0 18px;font-weight:650}.collection-stats{display:flex;gap:45px;margin-bottom:16px}.stat-value{display:block;font-size:25px;letter-spacing:-1px;line-height:1.4;font-weight:600;font-variant-numeric:tabular-nums}.stat-label{font-size:10px;color:var(--muted)}progress{width:100%;height:8px;appearance:none;border:0;background:#ebeedf;border-radius:3px;overflow:hidden}progress::-webkit-progress-bar{background:#ebeedf}progress::-webkit-progress-value{background:#8fad76}progress::-moz-progress-bar{background:#8fad76}.filter-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:7px;font-size:12px}.field>select{font-size:13px}.lower-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:26px}.rule{display:flex;gap:15px;align-items:baseline;font-size:12px;line-height:1.8;margin:13px 0}.rule-number{font-size:11px;color:#8ca376;font-weight:700}.muted{color:var(--muted);font-size:13px}.history-item{background:transparent;display:flex;justify-content:space-between;align-items:center;width:100%;border-top:1px solid var(--line);padding:9px 0;font-size:11px;text-align:start}.history-item strong{font-size:17px;font-weight:550}.about{font-size:12px;color:var(--muted);margin:25px 0 35px}.about summary{cursor:pointer;width:max-content;max-width:100%}.about p{max-width:700px}.text-button{background:transparent;color:var(--forest);font-size:12px;padding:8px 0;min-height:44px}.danger{color:#a45e4e}.secondary{background:#f3f3e8;border:1px solid #d7ddcc;border-radius:7px;padding:11px 16px;min-height:48px;font-size:12px}.play-top{display:flex;gap:20px;align-items:center;padding:25px 0}.session-score{margin-inline-start:auto;font-size:15px;white-space:nowrap;font-variant-numeric:tabular-nums}.play-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:28px;margin-bottom:40px;align-items:start}.journey{text-align:center;padding:22px}.companion{width:75px;image-rendering:pixelated;animation:bob 5s ease-in-out infinite}.journey>p:not(.micro){font-size:12px}.question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:20px 0}.step{aspect-ratio:1;min-height:32px;min-width:0;padding:0;border:1px solid var(--line);background:#f6f4e9;border-radius:5px;font-size:10px}.step.active{outline:2px solid var(--forest);outline-offset:2px}.right{background:#dcebc8!important;color:#35543d}.wrong{background:#f6e4d7!important;color:#8c5c49}.puzzle{padding:30px 36px}.puzzle-heading{display:flex;justify-content:space-between;gap:16px;align-items:center}.difficulty{color:var(--muted);font-size:11px}.eyebrow{font-size:10px;color:var(--muted);letter-spacing:1.4px;margin:25px 0 7px}.puzzle-title{font-size:27px;margin:0 0 14px}.puzzle-intro{font-size:14px;margin:0 0 22px}.conditions{background:#f1f4e8;border:1px solid #e5e9db;border-radius:8px;padding:18px 20px;margin-bottom:25px}.conditions .small-title{font-size:11px;color:var(--muted);margin:0 0 10px}.conditions ol{margin:0;padding-inline-start:22px;font-size:14px}.conditions li{padding:3px 0 3px 4px}.conditions li::marker{font-size:11px;color:#8b9b7d}.choices{padding:0;border:0;margin:0;min-width:0}.choices legend{font-size:16px;font-weight:650;margin-bottom:12px}.option{position:relative;display:flex;align-items:center;gap:12px;margin:10px 0;padding:14px 16px;border:1px solid #d9e0cf;border-radius:8px;cursor:pointer;background:#fffef9;line-height:1.8;font-size:14px;overflow-wrap:anywhere}.option:has(input:checked){background:#eef4e3;border-color:#6e9465;box-shadow:inset 0 0 0 1px #6e9465}.option:hover{background:#f4f6ec}.option 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h2{font-size:19px;margin-bottom:14px}.feedback h3{font-size:14px;margin:24px 0 12px}.correct-answer{font-size:13px;font-weight:600;overflow-wrap:anywhere}.reason{font-size:13px;white-space:pre-line;overflow-wrap:anywhere;padding-bottom:12px;border-bottom:1px solid #dce1cf}.reason:last-child{border:0;padding-bottom:0;margin-bottom:0}.next{display:block;margin:24px 0 0 auto}.results{max-width:750px;text-align:center;margin:40px auto 25px;padding:40px}.pixel-trophy{font-size:54px;color:#ba924c;text-shadow:3px 3px 0 #f2dfb1;line-height:1.2;margin-bottom:10px}.results h1{font-size:30px}.result-score{font-family:Georgia,serif;font-size:85px;font-weight:700;line-height:1.2;margin:18px 0 8px;color:var(--forest)}.result-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:7px;margin:28px 0 12px}.result-grid button{border:1px solid var(--line);border-radius:6px;min-height:45px;padding:5px;font-size:11px}.result-actions{display:flex;gap:15px;justify-content:center;margin-top:26px}.ad-demo{max-width:750px;margin:0 auto 40px;padding:20px;border:1px dashed #cbd2bd;border-radius:8px;text-align:center;background:#f0f0e5;color:var(--muted);font-size:12px}.ad-demo p{margin:6px 0}.ad-demo strong{font-size:10px;text-transform:uppercase;letter-spacing:1px}.centered{text-align:center;margin-bottom:40px}.dialog{color:var(--ink);background:var(--paper);border:2px solid #bbcbaa;border-radius:12px;padding:30px;max-width:min(520px,calc(100% - 32px));box-shadow:7px 7px 0 #243e3440}.dialog::backdrop{background:#29483899;backdrop-filter:blur(3px)}.dialog h2{font-size:23px;line-height:1.5;margin:0 0 16px}.dialog p{font-size:13px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.plus-features{padding-inline-start:25px;font-size:14px;line-height:2.3}.demo-note{padding:12px;background:#f8edcf;border-radius:5px;font-size:11px!important}footer{display:flex;justify-content:space-between;gap:20px;padding:22px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.skip{position:fixed;inset-block-start:-80px;inset-inline-start:10px;background:white;z-index:10;padding:10px}.skip:focus{inset-block-start:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
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@media(max-width:680px){body{font-size:15px}header{padding:16px 18px;gap:12px}.brand{column-gap:8px;grid-template-columns:31px 1fr}.brand-fox{width:31px}.brand-title{font-size:20px}.brand-sub{font-size:8px;letter-spacing:0}.header-controls{gap:8px}.language select{width:104px;font-size:11px;padding-inline-start:8px;padding-inline-end:22px}.plus-button{padding:8px;font-size:10px}main{padding:0 18px}.hero{display:flex;flex-direction:column;align-items:stretch;padding:29px 0 27px;gap:25px}.hero h1{font-size:31px;line-height:1.5;max-width:510px;margin:18px 0 13px;text-wrap:pretty}.hero-description{max-width:100%;font-size:13px;margin-bottom:21px}.hero-start{width:100%}.hero-copy>.micro{max-width:100%;text-align:center}.hero-scene{max-width:510px;margin:auto;transform:rotate(0deg);width:100%;border-width:5px}.scene-label{font-size:7px}.dashboard,.lower-grid{grid-template-columns:1fr;gap:17px;margin-bottom:17px}.panel{padding:23px;border-radius:10px}.collection-stats{justify-content:space-between;gap:15px}.stat-value{font-size:24px}.stat-label{font-size:11px}.collection .micro{font-size:10px}.filter-fields{gap:12px}.panel h2{font-size:16px}.play-top{gap:10px;flex-wrap:wrap;padding:18px 0}.play-top>.badge{font-size:8px}.play-top>.text-button{font-size:11px}.session-score{font-size:12px}.play-layout{display:flex;flex-direction:column;gap:17px}.journey{width:100%;padding:15px 13px}.companion,.journey>p:not(.micro){display:none}.question-nav{grid-template-columns:repeat(10,1fr);margin:0;gap:5px}.step{min-height:32px;aspect-ratio:auto;font-size:10px}.journey>.micro{font-size:10px;margin-top:12px}.journey>.secondary{margin-top:12px}.puzzle{width:100%;padding:23px 20px}.puzzle-title{font-size:25px}.puzzle-intro,.conditions ol{font-size:13px}.conditions{padding:16px}.option{padding:12px;gap:10px;font-size:13px}.formula{font-size:13px}.choices legend{font-size:15px}.puzzle-actions{gap:10px;align-items:stretch}.puzzle-actions button{font-size:11px;padding:10px 12px;max-width:58%}.feedback{padding:18px}.feedback h2{font-size:17px}.reason{font-size:12px}.results{margin:25px 0;padding:28px 20px}.results h1{font-size:25px}.result-score{font-size:76px}.result-grid{grid-template-columns:repeat(5,1fr);gap:9px}.result-actions{gap:12px}.result-actions button{font-size:12px;padding:10px 14px}.dialog{padding:24px}.dialog-actions{flex-direction:column-reverse}.dialog h2{font-size:21px}footer{padding:20px 18px;gap:12px;font-size:9px}.about{margin-bottom:25px}.how .rule{font-size:12px}}
@media(max-width:370px){.brand-title{font-size:18px}.brand-sub{display:none}.brand-fox{width:26px}.brand{grid-template-columns:26px 1fr;align-items:center}.language select{width:92px}.plus-button{font-size:9px}.header-controls{gap:5px}.hero h1{font-size:27px}.stat-value{font-size:21px}.step{font-size:9px}.puzzle{padding:20px 16px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:680px){.brand-title{font-size:18px;white-space:nowrap}.question-nav{grid-template-columns:repeat(5,1fr);gap:8px}.step{min-height:42px;font-size:12px}}@media(max-width:370px){header{gap:8px}.brand-title{font-size:16px}.brand{grid-template-columns:22px 1fr;column-gap:6px}.brand-fox{width:22px}.language select{width:84px}.plus-button{width:40px;padding:6px 3px}}
.session-score,.stat-value,.result-score,.history-item span:last-child{direction:ltr;unicode-bidi:isolate}:root[dir="rtl"] .stat-value{text-align:right}
.sound-toolbar{display:flex;justify-content:flex-end;padding-top:9px;margin-bottom:-13px;position:relative;z-index:1}.sound-button{background:#f0f1e4;border:1px solid #dce3d3;border-radius:7px;min-height:36px;padding:5px 12px;font-size:12px;color:var(--forest)}.sound-fields{margin-top:20px}.sound-group{border:1px solid var(--line);border-radius:8px;padding:15px 18px;margin:14px 0}.sound-switch{display:flex;align-items:center;justify-content:space-between;gap:20px;font-weight:600;font-size:15px;cursor:pointer;min-height:38px}.sound-switch input{width:23px;height:23px;accent-color:var(--forest);cursor:pointer}.sound-volume{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:var(--muted);margin-top:13px}.sound-value{direction:ltr;unicode-bidi:isolate}.sound-group input[type=range]{display:block;width:100%;margin:6px 0 0;min-height:36px;accent-color:var(--forest);cursor:pointer;direction:ltr}.sound-status{font-size:12px!important;color:var(--forest)}.sound-test{width:100%}@media(max-width:680px){.sound-toolbar{padding-top:10px;margin-bottom:-5px}.sound-group{padding:12px 15px}.sound-button{font-size:11px;min-height:40px}}