html,body{
  height: 100%;
}

.l_wrapper{
  display: flex;
  height: 100%;
}

.content_inner{
  height: 100%;
}

.oshioi_box{
  display: table-cell;
  vertical-align: middle;
  text-align: center;
}

.oshioi_box_inner{
  background: rgba(255,255,255,0.7);
  width: 60%;
  max-width: 500px;
  margin: 0 auto;
  padding: 40px 0;
}

.oshioi_box_inner h2,
.oshioi_box_inner p{
  margin-bottom: 30px;
}

.oshioi_box_inner p span{
  display: block;
}

.oshioi_box_inner p span.building{
  display: inline;
  margin-left: 5px;
}

.oshioi_box_inner .btn_wrapper{
  display: flex;
  justify-content: center;
}
.oshioi_box_inner .btn_wrapper .btnWrapper{
  display: flex;
}

.oshioi_box_inner .btn{}

.oshioi_box_inner .btn a{
  display: block;
  padding: 20px 0;
  color: #fff;
}

.oshioi_box_inner .redBtn{
  background: #a62224;
  width: 220px;
}

.oshioi_box_inner .redBtn:hover{
  border: 1px solid #a62224;
  background: #fff;
  box-sizing: border-box;
  margin: -1px;
}

.oshioi_box_inner .redBtn:hover a{
  color: #a62224;
}

.oshioi_box_inner .yellowBtn{
  background: #b28d3f;
  width: 90px;
}

.oshioi_box_inner .grayBtn{
  background: #888;
  width: 90px;
  margin-right: 10px;
}

.oshioi_box_inner .yellowBtn:hover{
  border: 1px solid #b28d3f;
  background: #fff;
  box-sizing: border-box;
  margin: -1px 0;
}

.oshioi_box_inner .yellowBtn:hover a{
  color: #b28d3f;
}

.oshioi_box_inner .grayBtn:hover{
  border: 1px solid #888;
  background: #fff;
  box-sizing: border-box;
  margin: -1px 10px -1px 0;
}

.oshioi_box_inner .grayBtn:hover a{
  color: #888;
}

.content_left{
  flex-grow: 1;
  width: 50%;
}
.content_left .content_inner>div{
  height: 100%;
}

.oshioi_ec{
  background: url(../img/content_left_image.jpg) no-repeat;
  background-size: auto 100%;
  background-position: center;

  width: 100%;
  display: table;
}

.oshioi_ec .oshioi_box_inner{
  padding: 80px 0;
}

.content_right{
  flex-grow: 1;
  width: 50%;
}

.content_right .oshioi_box_inner .redBtn{
  margin-right: 10px;
}

.content_right .content_inner>div{
  height: 50%;
}

.oshioi_shoto{
  background: url(../img/content_right_image01.jpg) no-repeat;
  background-size: cover 100%;
  background-position: center;

  width: 100%;
  display: table;
}

.oshioi_tomigaya{
  background: url(../img/content_right_image02.jpg) no-repeat;
  background-size: cover 100%;
  background-position: center;

  width: 100%;
  display: table;
}

.oshioi_tomigaya .oshioi_box_inner h2{
  margin-bottom: 0;
}

@media screen and (max-width: 767px) {
  .l_wrapper{
    display: block;
    height: 100%;
  }

  .oshioi_box_inner{
    width: 90%;
    padding: 40px 5%;
  }

  .oshioi_box_inner h2{
    height: 30px
  }

  .oshioi_box_inner h2 img{
    zoom:.4;
  }

  .oshioi_box_inner p{
    font-size: 10px;
    line-height: 1.4em;
    margin-bottom: 20px;
  }

  .oshioi_box_inner .btn_wrapper{
    display: block;
  }

  .oshioi_box_inner .btn a{
    padding: 10px 0;
    font-size: 12px;
  }

  .oshioi_box_inner .redBtn,
  .oshioi_box_inner .yellowBtn{
    width: 100%;
    max-width: 160px;
    margin: 0 auto !important;
  }

  .oshioi_box_inner .redBtn span{
    display: none;
  }

  .content_left,
  .content_right{
    width: 100%;
  }

  .content_left{
    height: 50%;
  }

  .content_left .oshioi_box_inner{
    width: 70%;
    padding: 60px 0;
  }

  .content_left .oshioi_box_inner h2{
    margin-bottom: 40px;
  }

  .content_left .oshioi_box_inner h2 img{
    zoom: .5;
  }

  .content_right{
    height: 50%;
  }
  .content_right .content_inner{
    display: flex;
  }
  .content_right .content_inner>div{
    height: 100%;
  }

  .content_right .oshioi_box_inner .redBtn{
    margin-bottom: 10px !important;
  }

  .oshioi_box_inner .btnWrapper:after{
    clear:both;
    content:'';
    display: block;
  }
  .oshioi_box_inner .btnWrapper .btn{
    float: left;
  }

  .oshioi_box_inner .btn_wrapper .btnWrapper{
    max-width: 160px;
    margin: 0 auto;
  }

  .oshioi_box_inner .btnWrapper .grayBtn{
    width: 48%;
    margin-right: 4%;
  }

  .oshioi_box_inner .btnWrapper .yellowBtn{
    width: 48%;
  }

  .content_right .content_inner .oshioi_box .oshioi_box_inner{
    height: 210px;
  }

  .content_right .content_inner .oshioi_shoto{
    width: 50%;
    flex-grow: 1;
    padding: 0 10px;
    box-sizing: border-box;
  }
  .content_right .content_inner .oshioi_tomigaya{
    width: 50%;
    flex-grow: 1;
    padding: 0 10px;
    box-sizing: border-box;
  }

  .oshioi_tomigaya .oshioi_box_inner h2{
    margin-bottom: 30px;
  }

  .oshioi_box_inner p span.building{
    display: block;
    margin-left: 0;
  }

}