:root {
            --bg-a: #7b3fe4;
            --bg-b: #ff5da2;
            --board: #241454;
            --yellow: #ffd93d;
            --mint: #4fffb0;
            --sky: #4dd2ff;
            --coral: #ff6f61;
            --pink: #ff9de2;
            --paper: #fffdf7;
            --ink: #2a1550;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            user-select: none;
            -webkit-user-select: none;
            touch-action: none;
        }
        body, html {
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: var(--ink);
            font-family: 'Nunito', 'Noto Sans JP', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        #game-container {
            position: relative;
            width: 100%;
            height: 100%;
            max-width: 480px;
            background: linear-gradient(160deg, var(--bg-a) 0%, var(--bg-b) 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            overflow: hidden;
            padding: 8px;
        }

        .screen {
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 10;
            padding: 20px;
        }
        .hidden { display: none !important; }

        .badge {
            width: 120px;
            height: auto;
            margin-bottom: 14px;
            filter: drop-shadow(0 8px 0 rgba(0,0,0,0.15));
        }

        h1.title {
            font-family: 'Fredoka', sans-serif;
            font-weight: 700;
            color: #fff;
            font-size: 34px;
            line-height: 1.15;
            text-align: center;
            letter-spacing: 0.5px;
            -webkit-text-stroke: 3px var(--ink);
            paint-order: stroke fill;
            margin-bottom: 6px;
        }
        p.subtitle {
            font-family: 'Mochiy Pop One', sans-serif;
            color: #fff;
            font-size: 14px;
            opacity: 0.9;
            margin-bottom: 34px;
            text-align: center;
            text-shadow: 0 2px 0 rgba(0,0,0,0.15);
        }
        h1.section-title {
            font-family: 'Fredoka', sans-serif;
            font-weight: 700;
            color: #fff;
            -webkit-text-stroke: 2.5px var(--ink);
            paint-order: stroke fill;
            font-size: 26px;
            text-align: center;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .btn {
            font-family: 'Fredoka', sans-serif;
            font-weight: 700;
            background: var(--yellow);
            color: var(--ink);
            font-size: 17px;
            letter-spacing: 0.5px;
            padding: 14px 20px;
            border: 3px solid var(--ink);
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 6px 0 var(--ink);
            margin: 6px;
            width: 82%;
            max-width: 260px;
            text-align: center;
        }
        .btn:active {
            transform: translateY(5px);
            box-shadow: 0 1px 0 var(--ink);
        }
        .btn.mint { background: var(--mint); }
        .btn.sky { background: var(--sky); }
        .btn.coral { background: var(--coral); color: #fff; }
        .btn.secondary {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border: 3px solid rgba(255,255,255,0.6);
            box-shadow: none;
        }

        .mrs-games-link {
            min-height: 44px;
            margin-top: 8px;
            padding: 10px 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.9);
            font-family: 'Nunito', 'Noto Sans JP', sans-serif;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: 0.8px;
            text-decoration: underline;
            text-underline-offset: 4px;
            touch-action: manipulation;
        }

        .mrs-games-link:active {
            opacity: 0.65;
        }

        .level-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 10px;
            margin-bottom: 26px;
            width: 100%;
            max-width: 320px;
        }
        .lvl-btn {
            position: relative;
            aspect-ratio: 1;
            background: var(--paper);
            border: 3px solid var(--ink);
            border-radius: 16px;
            color: var(--ink);
            font-family: 'Fredoka', sans-serif;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2px;
            cursor: pointer;
            box-shadow: 0 4px 0 var(--ink);
        }
        .lvl-btn:nth-child(5n+1) { background: var(--yellow); }
        .lvl-btn:nth-child(5n+2) { background: var(--mint); }
        .lvl-btn:nth-child(5n+3) { background: var(--sky); }
        .lvl-btn:nth-child(5n+4) { background: var(--pink); }
        .lvl-btn:nth-child(5n+5) { background: var(--coral); color: #fff; }
        .lvl-btn .bug-count {
            font-family: 'Nunito', sans-serif;
            font-size: 9px;
            font-weight: 800;
        }
        .lvl-btn.locked {
            background: rgba(255,255,255,0.18) !important;
            border-color: rgba(255,255,255,0.4);
            color: rgba(255,255,255,0.7);
            box-shadow: none;
        }

        #overlay-screen, #pause-screen, #log-screen { background: rgba(36,20,84,0.95); }

        #log-container {
            width: 90%;
            max-width: 380px;
            height: 240px;
            background: #100828;
            border: 2px solid var(--mint);
            border-radius: 12px;
            padding: 10px;
            overflow-y: auto;
            font-family: monospace;
            font-size: 11px;
            color: var(--mint);
            margin-bottom: 12px;
            text-align: left;
            white-space: pre-wrap;
            word-break: break-all;
            user-select: text;
            -webkit-user-select: text;
        }

        .log-btn-group {
            display: flex;
            gap: 10px;
            width: 90%;
            max-width: 380px;
            justify-content: center;
        }

        /* 上部ヘッダー */
        #game-header {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 5;
            gap: 6px;
            margin-bottom: 6px;
            flex-shrink: 0;
        }
        .stat-box {
            flex: 1;
            background: rgba(255,255,255,0.92);
            border: 2.5px solid var(--ink);
            border-radius: 14px;
            text-align: center;
            padding: 4px 2px;
            box-shadow: 0 3px 0 var(--ink);
        }
        .stat-label {
            font-family: 'Nunito', sans-serif;
            font-size: 10px;
            font-weight: 800;
            color: #8b7ab5;
            letter-spacing: 0.5px;
            line-height: 1;
        }
        .stat-val {
            font-family: 'Fredoka', sans-serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.1;
            margin-top: 2px;
        }
        .stat-val.bugs { color: var(--coral); }

        #pause-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--paper);
            border: 2.5px solid var(--ink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            box-shadow: 0 3px 0 var(--ink);
            flex-shrink: 0;
        }
        #pause-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--ink); }

        /* メインプレイエリア */
        #play-area {
            width: 100%;
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            position: relative;
            overflow: hidden;
        }

        canvas#gameCanvas {
            display: block;
            border-radius: 4px;
            object-fit: contain;
            flex-shrink: 0;
        }

        /* 右側サイドパネル */
        #side-panel {
            width: 82px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            z-index: 5;
            flex-shrink: 0;
        }

        .preview-card {
            width: 100%;
            background: rgba(255,255,255,0.92);
            border: 2.5px solid var(--ink);
            border-radius: 16px;
            padding: 6px 4px 4px 4px;
            text-align: center;
            box-shadow: 0 4px 0 var(--ink);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .preview-card .stat-label {
            font-size: 12px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 2px;
        }

        .next-preview-canvas {
            display: block;
        }

        #controls-panel {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            margin-bottom: 2px;
        }

        .ctrl-row {
            display: flex;
            gap: 6px;
            width: 100%;
            justify-content: space-between;
        }

        .ctrl-btn {
            background: var(--paper);
            color: var(--ink);
            border: 2.5px solid var(--ink);
            border-radius: 16px;
            font-family: 'Fredoka', sans-serif;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3.5px 0 var(--ink);
            cursor: pointer;
            padding: 0;
            width: 100%;
        }
        .ctrl-btn:active, .ctrl-btn.active {
            transform: translateY(2px);
            box-shadow: 0 1px 0 var(--ink);
            background: #e6e0d8;
        }

        .ctrl-btn svg {
            width: 22px;
            height: 22px;
            fill: var(--ink);
        }

        .ctrl-btn.rotate { 
            background: var(--sky); 
            height: 38px;
            width: 100%;
        }
        .ctrl-btn.dir {
            height: 50px;
        }
        .ctrl-btn.fast { 
            background: var(--yellow); 
            height: 38px;
            width: 100%;
        }
        .ctrl-btn.fast:active, .ctrl-btn.fast.active { background: #ffe600; }