@media screen and (min-width: 850px) {
  .mainviual{
    margin-top: 80px;
    height: 40vh;
    & h1{
      font-size: 250%;
    }
  }
  .content{
    width: 95%;
    max-width: 1100px;
    margin: 0 auto;
  }
  .top-box{
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    line-height: 1.8;
    letter-spacing: 1px;
  }
  .top-box img{
    width: 40%;
    height: auto;
  }
  .top-box .text{
    width: 55%;
    font-size: 116%;
  }
  .top-box .text .big{
    font-size: 180%;
    font-weight: bold;
  }
  .text_box{
    width: 100% !important;
    font-size: 116%;
  }
  .content .middle_title{
    font-weight: normal;
    font-size: 156.9%;
    color: #333;
    letter-spacing: 2px;
  }
  .content .middle_text{
    font-size: 116%;
    letter-spacing: 1px;
  }
  .content table{
    margin: 30px auto 60px;
  }
  .content table tr{
    flex-direction: row;
  }
  .content table tr th{
    width: 20%;
  }
  .content table tr:not(:last-of-type) th{
    border-bottom: 1px solid #fff;
  }
  .content table tr td{
    width: 80%;
  }
  .content table tr:not(:last-of-type) td{
    border-bottom: 1px solid #cdcdcd;
  }
  .content .btn a{
    font-size: 140%;
    padding: 15px 0;
    letter-spacing: 1px;
  }
}