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ease-out;transform:translate(-30px,30px)}.slide-visible{transform:translate(0)}#controls-hint{color:#444;z-index:10;pointer-events:none;-webkit-user-select:none;user-select:none;background:#ffffffe6;border:3px solid #ccc;border-radius:12px;padding:10px 14px;font-family:sans-serif;font-size:12px;transition:transform .4s ease-out;position:fixed;top:16px;left:16px;transform:translate(-30px,-30px)}#controls-hint.slide-visible{transform:translate(0)}.controls-hint-title{color:#444;margin-bottom:6px;font-size:13px;font-weight:700}#hint-mobile,#hint-pc{grid-template-columns:auto auto;gap:2px 10px;display:grid}.hint-row{display:contents}.hint-key{white-space:nowrap;text-align:left;font-weight:700}.hint-desc{white-space:nowrap}#info-btn{cursor:pointer;z-index:10;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#ffffffe6;border:2px solid #ccc;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:transform .3s ease-out;display:flex;position:fixed;top:16px;right:16px;transform:translate(60px,-60px)}#info-btn.slide-visible{transform:translate(0)}#info-btn:active{opacity:.8}#info-modal{z-index:50;width:100%;height:100%;position:fixed;top:0;left:0}.modal-overlay{background:#00000080;width:100%;height:100%;position:absolute;top:0;left:0}.modal-content{background:#7e1b1b;border:6px solid #7e1b1b;border-radius:16px;flex-direction:column;width:88%;max-width:480px;max-height:80vh;display:flex;position:absolute;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%)}.modal-header{background-color:#7e1b1b;border-bottom:1px solid #ddd;flex-shrink:0;justify-content:center;align-items:center;padding:16px 48px;display:flex;position:relative}.modal-header-title{color:#fff;font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;font-size:20px;font-weight:700}.modal-close-btn{cursor:pointer;-webkit-tap-highlight-color:transparent;background:#f0f0f0;border:2px solid #ccc;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex;position:absolute;right:12px}.modal-close-btn:active{opacity:.8}.modal-body{-webkit-overflow-scrolling:touch;background:#f5f0e8;padding:24px;font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;overflow-y:auto}.modal-section{border-bottom:1px solid #a82424;margin-bottom:30px;padding-bottom:30px}.modal-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.modal-heading{color:#333;margin-bottom:12px;font-size:16px;font-weight:700}.modal-subheading{color:#555;margin-top:12px;margin-bottom:8px;font-size:16px;font-weight:700}.modal-text{color:#555;font-size:16px;line-height:1.7}.modal-list{color:#555;padding-left:1.4em;font-size:16px;line-height:1.8;list-style:none}.modal-list .key{color:#333;white-space:nowrap;background:#f0f0f0;border:1px solid #ccc;border-radius:4px;margin-right:4px;padding:0 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