/* 追加CSSをここに入力してくださ *
 * 
 * 
 * @media screen and (max-width: 600px) {
  .st-mybtn {
    width: 100% !important;
    max-width: 100% !important;
  }

  .st-mybtn a {
    width: 100% !important;
    white-space: nowrap !important;
    font-size: 13px !important;
    padding-left: 8px !important;
    padding-right: 8px !important;
    box-sizing: border-box;
  }
}