:root{font-family:Yu Gothic UI,Hiragino Kaku Gothic ProN,Meiryo,system-ui,sans-serif;color:#303b38;background:#eeeade;font-synthesis:none;--paper:#f7f3e9;--ink:#303b38;--muted:#7d8173;--accent:#c9654c;--line:#dcd6c6;--green:#76968a}*{box-sizing:border-box}body{margin:0;min-width:280px}button,a,input,select{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.5}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,.scene-object:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{border:0;background:none}a{color:inherit;text-decoration:none}button svg{flex-shrink:0}h1,h2,p{margin:0}h1:focus,h2:focus,[tabindex="-1"]:focus{outline:none}body[data-color="1"]{--accent:#5d8277}body[data-color="2"]{--accent:#9b754e}body[data-color="3"]{--accent:#6d7d9b}body[data-color="4"]{--accent:#a47383}#app{min-height:100svh;display:flex;align-items:center;justify-content:center;padding:30px 20px;gap:70px;background-image:radial-gradient(#6d705f0b .8px,transparent .8px);background-size:7px 7px}.game-shell{width:438px;flex-shrink:0;background:var(--paper);padding:0 25px 15px;border:1px solid #e1dbca;box-shadow:0 20px 90px #46452f0d;position:relative}.topbar{height:85px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.icon-button{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%}.icon-button:hover{background:#e9e4d7}.wordmark{display:flex;align-items:center;gap:9px;direction:ltr;font-family:Georgia,serif;font-size:30px;line-height:.95;letter-spacing:-1px}.brand-stamp{font-family:serif;font-size:23px;background:var(--accent);color:#fff5df;border-radius:4px;width:34px;height:35px;display:grid;place-items:center;transform:rotate(-5deg)}.brand-small{display:block;font-family:system-ui;font-size:8px;letter-spacing:4.2px;line-height:1.8;margin-left:3px}.chapter-line{display:flex;justify-content:space-between;gap:8px;margin-top:24px;font-size:9px;color:#797e70;letter-spacing:1.4px;line-height:1.8}.volume{white-space:nowrap;font-size:8px;letter-spacing:1px;border:1px solid #cfc8b6;padding:0 4px;height:18px}.puzzle-heading{display:flex;align-items:center;gap:17px;min-height:102px;padding:16px 0 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0}.color-pick{height:35px;width:35px;border-radius:50%;background:var(--swatch);color:#fff8e9;font-size:12px;border:3px solid var(--paper)}.color-pick.chosen{outline:1px solid var(--swatch)}.color-pick:disabled{filter:grayscale(.7);opacity:.4}.finish-seal{width:65px;height:65px;display:grid;place-items:center;background:var(--accent);color:#fff4df;font-family:serif;font-size:43px;transform:rotate(-6deg);border-radius:8px;margin:4px auto 25px}.finish-score{font-family:Georgia,serif;font-size:62px;color:var(--accent);margin:23px}.finish-score small{font-size:21px;color:#a29c85}.toast{position:fixed;bottom:35px;left:50%;transform:translate(-50%);background:#3c4e43;color:#fff8e8;border-radius:6px;padding:13px 20px;font-size:12px;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw}.toast.show{opacity:1}@keyframes gesture{0%,to{transform:translate(6px);opacity:.3}50%{transform:translate(-12px);opacity:.9}}@keyframes reveal{0%{opacity:0;scale:.7}to{opacity:1;scale:1}}@keyframes result-enter{0%{opacity:0;translate:0 8px}to{opacity:1;translate:0 0}}@keyframes float-mail{0%,to{translate:0 0}50%{translate:0 -6px}}@keyframes twinkle{0%,to{opacity:.55}50%{opacity:1}}@keyframes hold-ring{0%{stroke-dashoffset:190}to{stroke-dashoffset:0}}.aside-button{width:44px;height:44px}.result-actions button{min-height:44px}.dialog-close,.color-pick{width:44px;height:44px}.reduce-motion *{animation:none!important;transition:none!important;scroll-behavior:auto!important}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media(max-width:1100px){#app{gap:38px}.desktop-note{width:190px}.desktop-note p{font-size:27px}.desktop-seal{display:none}}@media(max-width:780px){.desktop-note{display:none}#app{padding:0;background:var(--paper);align-items:flex-start;min-height:100svh}.game-shell{width:min(100%,460px);padding:0 21px 19px;border:0;box-shadow:none;min-height:100svh}.topbar{height:76px}.chapter-line{margin-top:20px}.heading-copy h1{font-size:22px}.puzzle-heading{min-height:98px;padding-bottom:19px}.reaction{min-height:43px}.progress-footer{margin-top:22px}.bottom-sign{margin-top:19px}.dialog-backdrop{padding:17px}.dialog{max-height:92svh}}@media(max-width:359px){.game-shell{padding-inline:16px}.chapter-line{font-size:8px;letter-spacing:.6px}.heading-copy h1{font-size:18px}.heading-copy p{font-size:11px}.puzzle-heading{gap:12px}.heading-copy{padding-inline-start:12px}.level-number>span{font-size:34px}.level-grid{gap:5px}.level-tile{padding:8px 5px}.level-tile small{font-size:7px}.dialog{padding-inline:17px}.reaction{font-size:10px}}@media(min-width:781px)and (max-height:900px){#app{align-items:flex-start;padding-top:20px}.game-shell{width:410px;padding-inline:22px}.topbar{height:70px}.chapter-line{margin-top:18px}.puzzle-heading{min-height:94px}.progress-footer{margin-top:17px}.bottom-sign{margin-top:14px}}[dir=rtl] .dialog-close{right:auto;left:6px}[dir=rtl] .wordmark{direction:ltr}[dir=rtl] .heading-copy h1,[dir=rtl] .chapter-line{letter-spacing:0}[dir=rtl] .hint-spark{right:auto;left:15px}[dir=rtl] .desktop-note{direction:ltr}[dir=rtl] .primary-button>svg{transform:rotate(180deg)}.product-card{border:1px solid var(--line);border-radius:8px;padding:18px;margin:14px 0;text-align:start}.product-card h3{font-size:16px;line-height:1.7;margin:0 0 8px}.product-card p{font-size:14px;margin-bottom:12px}.game-shell{padding-top:env(safe-area-inset-top);padding-bottom:max(19px,env(safe-area-inset-bottom))}.settings-note a{text-decoration:underline}.result .explanation{border-top:1px solid 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solid var(--line);border-radius:8px;padding:17px 14px;margin:16px 0;text-align:start;animation:result-enter .25s ease-out}.mode-card h3,.album-entry h3{font-size:16px;line-height:1.7;margin:0 0 8px}.mode-card p,.album-entry p,.travel-list p{font-size:12px;line-height:1.9;margin:8px 0 14px;overflow-wrap:anywhere}.mode-card button{margin-top:6px}.daily-picks{display:flex;gap:10px;margin-bottom:12px}.daily-picks button{border:1px solid var(--line);border-radius:6px;min-width:54px;min-height:48px;font:22px Georgia,serif}.daily-picks .complete{background:#dfe8d9;color:#4a7354}.library-nav,.filter-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:13px 0}.library-nav button,.filter-tabs button{min-height:44px;padding:8px 11px;border:1px solid var(--line);border-radius:5px;font-size:11px;line-height:1.6;flex:1}.filter-tabs button[aria-pressed=true]{background:#dfe6d7;border-color:#8da08b}.chapter-select{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;min-height:48px}.chapter-select select{font:inherit;min-height:44px;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:5px}.transfer-label,.file-label{display:block;font-size:12px;line-height:1.8;text-align:start;margin:15px 0 8px}.file-label input{display:block;max-width:100%;min-height:44px;margin-top:7px;font:inherit}textarea{font:12px/1.7 system-ui,sans-serif;width:100%;max-width:100%;resize:vertical;border:1px solid #aaa18d;border-radius:5px;padding:10px;color:var(--ink);background:#fffaf0;margin-bottom:12px}.travel-list article{text-align:start;border-block-start:1px solid var(--line);padding:13px 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