body {
  background-image: url("https://img21.shop-pro.jp/PA01436/163/etc/tx01.jpg?cmsp_timestamp=20190826134453");
}
.header__section {
    background-color: #fff;
}
.section__title-h2_osusume {
    margin: 0;
    padding-bottom: 20px;
    border-bottom: none;
    font-size: 16px;
    background: url(https://img.shop-pro.jp/tmpl_img/81/spacer.png) no-repeat;
}