body{
    max-width: 960px;
    margin: 0 auto;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
    -webkit-appearance: none;
    font-family: "Gothic MB101 Heavy", "メイリオ", "Meiryo", "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "Helvetica Neue LT Std", Arial, sans-serif;
}

/* 見出し */
.headline{
    text-align: center;
    background-color: #222;
    color: #fff;
    width: fit-content;
    font-weight: 700;
    padding: 4px 6px 0;
    line-height: 1.2;
}

header{
    /*margin-bottom: 1rem;*/
}

.admin_head {
    background-color: #18516f;
}

#login_btn a{
    background-color: #1380ff;
    padding: 1% 3%;
    margin-bottom: 1rem;
}

footer{
    background-color: #222;
    color: #fff;
    position: sticky;
    top: 100vh;
}

#main_body{
    width: 96%;
    margin: 1em auto 0;

    table {
        vertical-align: middle;
        & th{
            text-align: center;
            background-color: rgb(200,200,200);
            width: 18%;
        }
        & td{
            padding-left: 2em;
            background-color: rgb(220,220,220);
        }
    }
}

#admin_body {
    padding: 1em 1em 0 1em;
}

table#specific td{
   background-color: unset;
   vertical-align:top;
   padding-top: 0.5em;
   padding-bottom: 0.5em;

}


/* indexの会長挨拶 */
#greeting{
    display: flex;
    align-items: flex-start;
}

/* --------------------------------レスポンシブ用設定-------------------------------- */
@media screen and (max-width: 690px) {
    body{
        font-size: small;
    }

    .headline{
        font-size: large;
    }

    h5{
        font-size: larger;
    }

    header{
        margin-bottom: 0.5rem !important;
        #login_btn a{
            top: -30px;
        }
    }

    #main_body{
        max-width: 98vw;
        flex-direction: column;
    }

    table{
        & td{
            padding-left: 2px !important;
            &:has(> #img_skyo){
                display: none;
            }
        }
    }


    /* indexの会長挨拶 */
    #greeting{
        display: block;
        & img{
            float: left;
            margin-right: 0.3rem;
            margin-bottom: 0.3rem;
        }
    }

}