.mainviual{
  height: 20vh;
  width: 100%;
  position: relative;
  z-index: 0;
  background: var(--main);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  & h1{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: fit-content;
    height: fit-content;
    color: #fff;
    text-shadow: 1px 1px 3px #3b3b3b;
    letter-spacing: 1px;
    line-height: 1.7;
    font-size: 200%;
    text-align: center;
  }
}
.content{
  & img{
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 15px;
  }
  .text{
    letter-spacing: 1px;
    line-height: 1.7;
    padding: 0 10px;
    .big{
      color: var(--main);
      font-size: 130%;
    }
  }
  .text_box{
    width: 95%;
    margin: 10px auto 60px;
    background: var(--main);
    color: #fff;
    letter-spacing: 1px;
    line-height: 1.7;
    padding: 15px;
    outline: 1px solid #fff;
    outline-offset: -3px;
  }
  .middle_title{
    width: fit-content;
    margin: 0 auto 10px;
    font-weight: bold;
    font-size: 130%;
    text-align: center;
    position: relative;
    z-index: 0;
    span{
      background: linear-gradient(transparent 65%, #fff100 65% 88%, transparent 88%);
    }
    &::before{
      content: '－';
      height: fit-content;
      position: absolute;
      top: 0;
      bottom: 0;
      left: -20px;
      margin: auto;
    }
    &::after{
      content: '－';
      height: fit-content;
      position: absolute;
      top: 0;
      bottom: 0;
      right: -20px;
      margin: auto;
    }
  }
  .middle_text{
    text-align: center;
  }
  & table{
    width: 90%;
    margin: 30px auto;
    border: 1px solid #cdcdcd;
    & tr{
      & th{
        background: #eeeaea;
        padding: 10px;
      }
      & td{
        padding: 10px;
        letter-spacing: 1px;
        line-height: 1.7;
      }
    }
  }
  .btn{
    margin: 0 auto;
    & a{
      display: block;
      width: 90%;
      margin: 0 auto;
      background: var(--main);
      color: #fff;
      text-align: center;
      padding: 10px;
      outline: 1px solid #fff;
      outline-offset: -3px;
    }
  }
}