@media screen and (max-width: 768px) {
  .about-info_table {
    display: block;
    width: 100%;
    margin: 0 auto;
    padding: 0;
  }
  .about-info_head {
    display: block;
    width: 100%;
    margin: 0 auto;
    padding: 0 0 10px;
    line-height: 1.5;
  }
  .about-info_data {
    display: block;
    width: 100%;
    margin: 0 auto;
    padding: 0 0 35px;
    line-height: 1.5;
  }
  

  .about-info_list {
    width: auto;
  }
}