@charset "UTF-8";

#pagetop {
    display: none;
    position: fixed;
    right: 20px;
    bottom: 20px;
    height: 0;
    z-index: 99
}

#pagetop a {
    display: block;
    position: absolute;
    right: 0;
    bottom: 0;
    overflow: hidden;
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 3px;
    text-indent: -999px
}

#pagetop a::after {
    content: '';
    position: absolute;
    left: calc(50% - 15px);
    top: calc(50% - 15px);
    width: 30px;
    height: 30px;
    background: url(../images/icon_arrow.png) no-repeat center center;
    background-size: 100% auto;
    transform: rotate(-90deg)
}