html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#111827;font-family:Hiragino Sans,Yu Gothic,Meiryo,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}body{display:flex;align-items:center;justify-content:center;overscroll-behavior:none}#app-shell{width:min(100vw,calc(100vh * 1.3333));display:flex;flex-direction:column;align-items:stretch;overflow:hidden;position:relative}#board-wrap{position:relative;width:100%;aspect-ratio:4 / 3}#game,#dice-overlay{position:absolute;inset:0;width:100%;aspect-ratio:4 / 3}#game{image-rendering:pixelated;background:#8fd16b;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}#dice-overlay{pointer-events:none;background:transparent}#asset-map-button{position:absolute;right:12px;bottom:12px;z-index:5;min-height:40px;padding:0 14px;border-color:#e0e7ff;background:#0f172ae6}#touch-panel{display:none;padding:10px max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:#0f172a;border-top:2px solid #334155;color:#f8fafc}#touch-status{min-height:24px;margin-bottom:8px;font-size:14px;font-weight:700;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.touch-grid{display:grid;grid-template-columns:92px 1fr 92px;gap:8px;align-items:center}button{min-height:48px;border:2px solid #94a3b8;border-radius:8px;background:#1e293b;color:#f8fafc;font:800 15px/1 Hiragino Sans,Yu Gothic,Meiryo,sans-serif;touch-action:manipulation}button.primary{background:#facc15;border-color:#fde68a;color:#172554}button:disabled{opacity:.45}#dpad{display:grid;grid-template-columns:46px 46px 46px;grid-template-rows:44px 44px 44px;justify-content:center;gap:4px}#dpad button{position:relative;min-height:44px;padding:0;color:transparent}#dpad button:before{content:"";position:absolute;left:50%;top:50%;width:0;height:0;transform:translate(-50%,-50%)}#dpad button:disabled:before{opacity:.55}#up-button{grid-column:2;grid-row:1}#up-button:before{border-left:11px solid transparent;border-right:11px solid transparent;border-bottom:18px solid #f8fafc}#left-button{grid-column:1;grid-row:2}#left-button:before{border-top:11px solid transparent;border-bottom:11px solid transparent;border-right:18px solid #f8fafc}#right-button{grid-column:3;grid-row:2}#right-button:before{border-top:11px solid transparent;border-bottom:11px solid transparent;border-left:18px solid #f8fafc}#down-button{grid-column:2;grid-row:3}#down-button:before{border-left:11px solid transparent;border-right:11px solid transparent;border-top:18px solid #f8fafc}#reset-button{grid-column:2 / -1;min-height:42px}#assets-button{grid-column:1;min-height:42px}#asset-panel{position:fixed;inset:0;z-index:20;display:none;flex-direction:column;background:#0f172af5;color:#f8fafc;padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}#asset-panel.open{display:flex}.asset-panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.asset-panel-header h1{margin:0;font-size:20px;line-height:1}#asset-close-button{width:48px;min-height:48px;padding:0;font-size:26px}#asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px;overflow:auto;padding-bottom:8px}.asset-card{display:flex;flex-direction:column;min-height:132px;border:2px solid #475569;border-radius:8px;background:#1e293b;overflow:hidden}.asset-preview{width:100%;height:98px;image-rendering:pixelated;background-image:var(--asset-sheet);background-size:400% 400%;background-position:var(--asset-position)}.asset-card span{display:block;padding:8px;font-size:13px;font-weight:800;text-align:center}@media(orientation:portrait){body{align-items:flex-start;background:#0f172a}#app-shell{width:100vw;min-height:100svh}#board-wrap,#game,#dice-overlay{width:100vw;height:75vw;max-height:100svh}#board-wrap{margin-top:max(8px,env(safe-area-inset-top))}#touch-panel{display:block}#asset-map-button{display:none}#asset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.asset-card{min-height:108px}.asset-preview{height:74px}}@media(max-width:760px)and (orientation:landscape){#app-shell{width:100vw}#touch-panel{display:block;padding-top:6px}#board-wrap,#game,#dice-overlay{height:min(72vh,75vw)}button{min-height:40px;font-size:13px}#dpad{grid-template-columns:48px 48px 48px;grid-template-rows:40px 40px 40px}#dpad button{min-height:40px}}