#head {
    background-color: #3FBEC7;
}

h1 {
    padding: 5px 10px;
}

#content {
    padding: 5px;
}

#content #nav ul {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

#content #nav ul li {
    width: 30%;
    margin: 5px auto;
    background-color: #3FBEC740;
    text-align: center;
    padding: 5px;
}

#content #link {
    text-align: center;
    padding: 5px;
}


.knie_center {
    text-align: center;
}


footer {
    margin-top: 20px;
    background-color: #ddd;
    padding: 10px 0;
}

/* お知らせテーブル */
#k_nie table .nen {
    border-top: solid 2px #333;
    font-size: 1.8rem;
}

#k_nie table .col2 {
    width: 20%
}

#rightBody a {
    color: blue;
}

@media screen and (min-width:745px) {

    #head h1 {
        max-width: 960px;
        margin: 0 auto;
    }

    #k_nie {
        max-width: 960px;
        margin: auto;
    }

    #k_nie img {
        max-width: 100%;
        vertical-align: middle;
        margin-bottom: 10px;
    }


    #content {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }


    #content #nav {
        grid-row: 1;
        grid-column: span 1;
    }

    #content #nav ul {
        display: unset;
    }

    #content #nav ul li {
        width: 80%;
        margin: unset;
        text-align: left;
    }


    #content #link {
        grid-row: 2;
        grid-column: span 1;
        text-align: left;
    }

    #content #rightBody {
        grid-row: span 6;
        grid-column: span 2;
    }

}