body{
    position:  relative;        /* 子要素の起点を指定 */
    min-height: 100vh;
    width:100%; /*ページ全体の幅は100%と指定する*/
    background-image: url(home_pic/kosen.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    background-color:rgba(255,255,255,0.8);
    background-blend-mode:lighten;
    overflow-x:hidden; /* ページはみ出たら見せない */
    font-family: 'Hiragino Mincho ProN','ヒラギノ明朝 ProN','Hiragino Mincho Pro','ヒラギノ明朝 Pro',serif;
    z-index: 1;
    margin: 0;
    font-size: 23px;
    text-align: center;
}
.item-none{
    display: none;
}
.sumaho{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    font-size: 40px;
    color: rgb(0, 0, 0);
}.padding{
    position: absolute;
    padding: 100px 20px;
    transform: translate(0, -50%);
    top: 50%;
}
@media screen and (max-width: 600px){
    /* スマホの時 */
    body{
        background-color: rgb(255, 255, 255);
        background-attachment: fixed;
        background-size: 100vw 100vh;  
        min-height: 100vh;
        width:100%;max-width:100%;
        text-align:center; /*ページ全体を中央揃えにする*/
        box-sizing:border-box;
        position: relative;
    }.padding{
        position: relative;
        padding: 0px;
        transform: translate(0, 0%);
        top: 0;
    }
    .rogo_posi{
        width: 280px;
        height: 210px;
        left: 47%;
    }
    .foot_box{
        flex-direction: column;
    }
    .head_foot{
        display: none;
    }
}
@media screen and (max-width: 1300px){
    /* 私のパソコンの時 */
    body{
        font-size: 18px;
    }
}