.tab_area {
    overflow: hidden;
    margin: 0 auto;
    padding-left: 0px;
    display: flex;
    justify-content: space-around;
}

.tab_area li {
    /*Tabの装飾*/
    width: auto;
    height: 40px;
    text-align: center;
    cursor: pointer;
    /* vertical-align: middle; */
    display: table-cell;
    color: #9CA3AF;
    font-weight: 900;
    margin: 0 10px;
}

.all_area {
    padding: 10px;
    overflow: hidden;
}

.all_area div.content_area {
    /*Tabの内容を表示するエリアの装飾*/
    background: #ffffff;
    padding: 20px;
    border: 1px solid #d4d4d4;
}

.tab_area li.select {
    /*アクティブタブの装飾*/
    border-bottom: 3px solid #ff9b00;
    color: #000
}

.e-con.hide {
    display: none;
    /*opacity: 0;
    height: 0*/
}

.content_area {
    max-width: 800px;
    margin: 50px auto;
}

.content_area figure img {
    max-width: 600px;
}

h3 {
    border: none;
    text-align: center;
}

h3::after {
    content: none;
}

@media screen and (max-width: 767px) {
    .tab_area {
        flex-wrap: wrap;
        justify-content: left;
    }

    .tab_area li {
        width: 100%;
        text-align: left;
        padding-top: 8px;
    }

}