.tab-wrap {
    display: flex;
    flex-wrap: wrap;
    margin: 20px 0;
}

    .tab-wrap:after {
        content: '';
        width: 100%;
        height: 3px;
        background: DeepSkyBlue;
        display: block;
        order: -1;
    }

.tab-label {
    color: White;
    background: LightGray;
    font-weight: bold;
    text-shadow: 0 -1px 0 rgba(0,0,0,.2);
    white-space: nowrap;
    text-align: center;
    padding: 10px .5em;
    order: -1;
    position: relative;
    z-index: 1;
    cursor: pointer;
    border-radius: 5px 5px 0 0;
    flex: 1;
}

    .tab-label:not(:last-of-type) {
        margin-right: 5px;
    }

.tab-content {
    width: 100%;
    height: 0;
    overflow: hidden;
    opacity: 0;
}
/* アクティブなタブ */
.tab-switch:checked + .tab-label {
    background: DeepSkyBlue;
}

    .tab-switch:checked + .tab-label + .tab-content {
        height: auto;
        overflow: auto;
        padding: 15px;
        opacity: 1;
        transition: .5s opacity;
        box-shadow: 0 0 3px rgba(0,0,0,.2);
    }
/* ラジオボタン非表示 */
.tab-switch {
    display: none;
}