@media only screen and (min-width: 999px) {
  .p-thanks {
    padding: 60px 30px;
    margin-top: 148px;
  }

  .p-thanks-ttl {
    font-size: 32px;
    color: #333333;
    font-weight: bold;
    letter-spacing: 3px;
    text-align: center;
  }

  .p-thanks-txt {
    margin-top: 30px;
    font-size: 24px;
    text-align: center;
    color: #333;
  }
}

@media only screen and (max-width: 998px) {
  .p-thanks {
    margin-top: 83px;
    padding: 30px 20px;
  }

  .p-thanks-ttl {
    font-size: 16px;
    text-align: center;
        color: #333333;
    font-weight: bold;
  }

  .p-thanks-txt {
    font-size: 14px;
        margin-top: 20px;
        color: #333;
    text-align: left;
  }
}