#company_message {
    background: #efefef;
}

.msg_con {
    height: auto;
}

.msg_con span {
    margin: 7% 0;
    display: inline-block;
    width: 100%;
    height: auto;
    padding: 3% 0;
    border-top: 1px solid #615f5f;
    border-bottom: 1px solid #615f5f;
    font-family: "游明朝", "YuMincho", serif;
    font-weight: 900;
    font-size: calc(14px + 18 * ((100vw - 320px) / 1920));
    color: #333;

    line-height: 2;
}

/*====以下、レスポンシブ用====================*/

@media screen and (max-width: 959px) {
    .msg_con span {
        width: 90%;
        padding: 5% 0;
    }
}