body{
    background-color: #000000;
    overflow-x: hidden;
    width: 100%;
    height: 100vh;
}
.haikei:before{
    content: "";
    display: block;
    position: fixed;
    top: 0px;
    left: 0px;
    z-index: -1;
    width: 100%;
    height: 100vh;
    background-image: url(../Pictures/Background/Background-1.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}
.contents{
    margin-right: 12.5vw;
    width: 100%;
    height: auto;
    line-height:0;
}
.kamons1{
    width: 100%;
    height: auto;
}
.kamons2{
    width: 100%;
    height: auto;
}
.bibi{
    width: 100%;
    height: 70vh;
}
.back{
    font-size: clamp(1rem,2.2vw,3rem);
    font-family: 'Noto Serif JP', serif;
    letter-spacing: 0.5vw;
    text-align: center;
    margin-top: 5vh;
}
.back a{
    color: #fff;
    text-decoration-thickness: 1px;
    display:inline-block;
    transition: .3s;
    -webkit-transform: scale(1);
    transform: scale(1);
    text-shadow: 5px 5px 7px #000000;
}
.back a:hover{
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}

small{
    color: #fff;
    position: fixed;
    left: 0;
    bottom: 0;
    text-shadow: 5px 5px 7px #000000;
    font-size: 1.5vw;
}


/*PC用*/
@media screen and (min-width:1024px)  {
    body{
        background-color: #000000;
        overflow: hidden;
        width: 100%;
        height: 100vh;
    }
    .vertical{
        display: flex;
        align-items: center;
        -webkit-flex-direction: row-reverse;
        flex-direction: row-reverse;
        white-space: nowrap;
        overflow: auto;
        -webkit-overflow-scrolling: touch;
        -ms-overflow-style: none;
        scrollbar-width: none;
        width: 100%;
        min-height: 100vh;
    }
    .contents{
        margin-right: 12.5vw;
        width: 75%;
        height: auto;
        line-height:0;
    }
    .kamons1{
        width: 100%;
        height: auto;
    }
    .kamons2{
        width: 100%;
        height: auto;
    }
    .bibi{
        width: 100%;
        height: 70vh;
    }
    .back{
        margin-right: auto;
        margin-left: 6vw;
        margin-bottom: 1.5rem;
        min-height: 80vh;
        font-size: 1.0rem;
        font-family: 'Noto Serif JP', serif;
        letter-spacing: 0.5vw;
        text-align: right;
        -ms-writing-mode: tb-rl;
        writing-mode: vertical-rl;
    }
    .back a{
        text-decoration: none;
        display:inline-block;
        transition: .3s;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    .back a:hover{
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
    }
    
    small{
      position: absolute;
      left: 0;
      bottom: 0;
      font-size: 0.8rem;
    }
}