@charset "utf-8";

#nav>li:nth-child(2){
  border-bottom:5px solid #fff;
}
body{
  background-color:#fce1d9;
}
/* container */
.area_tab{
  width:510px;
  margin:0 auto;
  padding-top: 45px;
}
.area_tab>li{
  float:left;
  font-size:21px;
  cursor: pointer;
}
.area_tab>li.on{
  border-bottom: 5px solid #000;
}
.area_tab>li:first-child{
  margin-right:49px;
}
.business{
  margin-top:35px;
  margin-bottom:70px;
}
.business>p{
  margin-left:225px;
}
.organization{
  margin-top:112px;
  margin-bottom:100px;
  display:none;
}
.organization>p{
  margin-left:38px;
}

@media all and (max-width:720px){
	#container{
		width:100vw;
	}
	.area_tab{
		width:100vw;
		padding-top:20px;
	}
	.area_tab>li{
		font-size:13px;
		text-align: center
	}
	.area_tab>li:first-child{
		margin-right:5vw;
		width:34vw;
		margin:0 5vw;
	}
	.area_tab>li:last-of-type{
		width:50vw;
		margin:0 3vw;
	}
	.business{
		margin-top:80px;
		margin-bottom:100px;
	}
	.business>p{
		width:60%;
		margin:0 20%;
	}
	.business>p>img{
		width:100%;
	}
	.organization{
		margin-top:100px;
		margin-bottom:120px;
	}
	.organization>p{
		width:86%;
		margin:0 7%;
	}
	.organization>p>img{
		width:100%
	}
}