.shadow{box-shadow:2rem 2rem 5rem var(--bg-5-color);transition:all 400ms ease}.shadow:hover{box-shadow:5rem 5rem 5rem var(--bg-3-color);transition:all 600ms ease}.not_selectable{user-select:none}.nowrap{white-space:nowrap}.effect_button_close{position:relative;width:16rem;height:16rem;padding:2rem;cursor:pointer;box-sizing:border-box}.effect_button_close:before{position:absolute;content:"";width:1rem;height:12rem;background:#999;transform:rotate(45deg)}.effect_button_close:after{content:"";position:absolute;width:1rem;height:12rem;background:#999;transform:rotate(-45deg)}.effect_button_close:hover:before{background:#1981ea;background:var(--main-color)}.effect_button_close:hover:after{background:#1981ea;background:var(--main-color)}.effect_arrow_left{display:flex;cursor:pointer}.effect_arrow_left:before{content:"";width:0;height:0;border-top:8rem solid transparent;border-bottom:8rem solid transparent;border-right:8rem solid #999;margin:auto}.effect_arrow_left:hover:before{border-right:8rem solid var(--main-color)}.effect_arrow_right{display:flex;cursor:pointer}.effect_arrow_right:before{content:"";width:0;height:0;border-top:8rem solid transparent;border-bottom:8rem solid transparent;border-left:8rem solid #999;margin:auto}.effect_arrow_right:hover:before{border-left:8rem solid var(--main-color)}