@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;
  }
  .content{
    & .accordion{
      & dt{
        width: 95%;
        margin: 0 auto;
        cursor: pointer;
        border: 2px solid #ccc;
        padding: 15px;
        transition: all 0.3s ease;
        background: #fff;
        &:hover{
          background: #e7e7e7;
        }
      }
      & dd{
        background: #3093d8;
        width: 95%;
        padding: 0 15px;
        margin: 0 auto 20px;
        p{
          padding: 15px 0;
          color: #fff;
        }
      }
    }
  }
}