.logo{
    background: url(../img/main_logo.png) no-repeat;
    background-size: contain;
    position: fixed;
    width: 18%;
    height: 7%;
    top: 12%;
    right: 6%;
    z-index: 99999999;
}

.backhome{
    background: url(../img/backhome.png) no-repeat;
    background-size: contain;
    position: fixed;
    width: 14%;
    height: 6%;
    top: 12%;
    left: 6%;
    z-index: 99999999;
    display: none;
}

.toubu_title{
    width: 100%;
    height: 6%;
    top: 5%;
    left: 50%;
    margin-left: -50%;
    text-align: center;
    z-index: 99999999;
    position: absolute;
    color: #d11533;
    font-size: 18px;
    font-weight: bold;
    display: none;
}