.timeline {
    list-style: none;
}
.timeline > li {
    margin-bottom: 60px;
}

/* for Desktop */
@media ( min-width : 640px ){
    .enkaku_midashi {
        background-color: #65BBE9; /* 背景の色 */
        font-size: 16px; /* フォントサイズ */
        color: #ffffff; /* フォントカラー */
        text-align: center; /* 中央寄せ */
        padding: 5px;
    }

    .timeline > li {
        overflow: hidden;
        margin: 0;
        position: relative;
    }

    ul.timeline {
        padding-inline-start: 0px;
    }

    .timeline-year {
        position: absolute;
        /*left: 0px;*/
    }

    div.timeline-year {
        padding-left: 0px;
        margin: 0px;
        line-height: 100%;
        font-size:15px;
        font-weight: bold;
        color: #666;
    }

    .timeline-date {
        width: 110px;
        float: left;
        margin-top: 10px;
    }

    p.timeline-date {
        padding-left: 0px;
        text-align: right;
        margin-right:20px;
    }

    .timeline-content {
        width: 310px;
        float: left;
        border-left: 3px #e5e5d1 solid;
        padding-left: 30px;
    }

    .timeline-content h3{
        text-indent: 0px;
        font-size: 15px;
    }
    .timeline-content p{
        margin-top: 20px;
        margin-bottom: 30px;
    }

    .timeline-content:before {
        content: '';
        width: 15px;
        height: 15px;
        background: #65bbe9;
        position: absolute;
        left: 130px;
        /*top: 24px;*/
        border-radius: 100%;
    }
}