@media screen and (min-width:768px) {
  .thanks-wrap {
    width: 800px;
    margin: 50px auto 0;
  }
  .thanks-news {
    padding: 15px;
    background-color: #fff;
    border: dotted 1px #a7a7a7;
    margin-top: 40px;
  }
  .u-fs-s { font-size: 12px; }
  .u-fs-m { font-size: 16px; }
  .u-fs-l { font-size: 20px; }
}

@media screen and (max-width:767px) {
  .thanks-wrap {
    padding: 10px;
  }
  .thanks-news {
    padding: 15px;
    background-color: #fff;
    border: dotted 1px #a7a7a7;
    margin-top: 40px;
  }
  .u-fs-s { font-size: 12px; }
  .u-fs-m { font-size: 16px; }
  .u-fs-l { font-size: 18px; }
}
.u-ta-center { text-align: center; }