.modal_open{
    display: inline-block;
    /* margin: 3vw; */
    float: left;
}

.modal_box {
    position: fixed;
    z-index: 7777;
    display: none;
    width: 80%;
    max-width: 840px;
    margin: 0;
    padding: 20px 2vw 20px;
    border: 2px solid #aaa;
    text-align: center;
    background: #fff;
    box-sizing: border-box;
}

.modal_close {
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    width: 62px;
    font-size: 46px;
    color: #000;
    line-height: 62px;
    text-align: center;
    background: #e6e6e6;
    cursor: pointer;
}

.modal_close i {
    line-height: 62px;
    vertical-align: bottom;
}

.modal_bg {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 6666;
    display: none;
    width: 100%;
    height: 120%;
    background-color: rgba(0,0,0,0.7);
}

.link_area {
    overflow: hidden;
    max-width: 410px;
    margin: 60px auto 0;
    text-align: center;
}

.link_area .modal_link {
    display: inline;
}

.link_area .modal_link a {
    display: inline-block;
    width: 180px;
    color: #000;
    line-height: 2.5;
    text-decoration: none;
    margin: 0 10px;
    background: #e6e6e6;
}

.link-area ul li.modal_link:first-child a {
    float: left;
}

.link-area ul li.modal_link:last-child a {
    float: right;
}


@media screen and (max-width: 769px) {

/*  ウィンドウサイズ769px以下の時のスタイル  */

  .modal_box {
      padding: 50px 2vw 40px;
  }

  .modal_close {
      width: 40px;
      line-height: 40px;
      font-size: 30px;
  }

  .modal_close i {
      line-height: 44px;
  }

  .link_area {
      margin: 25px auto 0;
  }

  .link_area .modal_link a {
      margin: 15px auto 0;
  }

  .link_area ul li.modal_link:first-child a {
      float: none;
      margin-top: 0;
  }

  .link_area ul li.modal_link:last-child a {
      float: none;
  }

}