@charset "utf-8";



@media print,screen and (min-width: 769px) {
/* ---------------------------------------
　index
--------------------------------------- */
	#head_line{
		background-image: url(../img/index_main.jpg);
	}
#head_line > h1 {
        /* border-top: 1px solid #FFF; */
        font-size: 42px;
        line-height: 1;
        font-weight: bold;
        padding-top: 15px;
        margin-top: 15px;
    }
	
	#catch_box{
		margin-top: 70px;
		text-align: center;
	}
	#catch_box p:nth-child(1){
		color: #133263;
		font-size: 34px;
		font-weight: bold;
	}
	#catch_box p:nth-child(2){
		font-size: 16px;
		margin-top: 50px;
	}
	
	
	
	.concept_sec{
		margin: 100px auto 0;
		max-width: 1080px;
	}
	#catch_box + .concept_sec{
		margin-top: 70px;
	}
	.concept_sec img{
		height: auto;
		width: 100%;
	}
	
	.concept_sec h2{
		color: #133263;
		font-size: 18px;
		font-weight: bold;
		line-height: 1.8;
		margin-top: 60px;
	}
	.concept_sec .txt{
		margin-top: 30px;
		line-height: 2;
	}
	.concept_sec .btn{
		margin-top: 40px;
		width: 256px;
	}
	.concept_sec .detail{
		display: flex;
		margin-top: 10px;
	}
	.concept_sec .detail:after{
		background-position: center top;
		content: " ";
		display: block;
		height: 0;
		flex-basis: 50%;
	}
	.concept_sec .left > div{
		padding-right: 60px;
	}
	.concept_sec .right{
		flex-direction:row-reverse;
	}
	.concept_sec .right > div{
		padding-left: 60px;
	}
	.concept_sec .detail > div{
		width: 50%;
	}
	
	#concept_sec1 > .detail:after{
		background-image: url(../img/photo01_2_250404.jpg);
		background-size: cover;
		padding-bottom: 52.5%;
	}
	#concept_sec2 > .detail:after{
		background-image: url(../img/photo02_2.jpg);
		background-size: cover;
		padding-bottom: 52.5%;
	}
	#concept_sec3 > .detail:after{
		background-image: url(../img/photo03_2.jpg);
		background-size: cover;
		padding-bottom: 33%;
	}
	#concept_sec4 > .detail:after{
		background-image: url(../img/photo04_2.jpg);
		background-size: cover;
		padding-bottom: 33%;
	}
	
}

@media screen and (max-width:768px) {
	
/* ---------------------------------------
　index
--------------------------------------- */
	#head_line{
		background-image: url(../img/index_main.jpg);
	}
    #head_line > h1 {
        /* border-top: 1px solid #FFF; */
        font-size: 30px;
        line-height: 1.2;
        font-weight: bold;
        padding-top: 15px;
        margin-top: 15px;
    }

	
	#catch_box{
		margin-top: 40px;
		text-align: center;
	}
	#catch_box p:nth-child(1){
		color: #133263;
		font-size: 26px;
		font-weight: bold;
	}
	#catch_box p:nth-child(2){
		font-size: 14px;
		margin-top: 15px;
	}
	
	
	
	.concept_sec{
		margin: 40px 0 0;
	}
	#catch_box + .concept_sec{
		margin-top: 30px;
	}
	.concept_sec img{
		height: auto;
		width: 100%;
	}
	
	.concept_sec h2{
		color: #133263;
		font-size: 15px;
		font-weight: bold;
		line-height: 1.8;
	}
	.concept_sec .txt{
		margin-top: 20px;
		line-height: 2;
	}
	.concept_sec .txt br{
		display: none;
	}
	.concept_sec .btn{
		margin-top: 20px;
		width: 100%;
	}

	.concept_sec .detail{
		margin: 25px 30px 0;
	}
	.concept_sec .txt:after{
		background-position: center top;
		content: " ";
		display: block;
		height: 0;
		margin-top: 25px;
	}
	
	#concept_sec1 .txt:after{
		background-image: url(../img/photo01_2_250404.jpg);
		background-size: cover;
		padding-bottom: 105%;
	}
	#concept_sec2 .txt:after{
		background-image: url(../img/photo02_2.jpg);
		background-size: cover;
		padding-bottom: 105%;
	}
	#concept_sec3 .txt:after{
		background-image: url(../img/photo03_2.jpg);
		background-size: cover;
		padding-bottom: 66%;
	}
	#concept_sec4 .txt:after{
		background-image: url(../img/photo04_2.jpg);
		background-size: cover;
		padding-bottom: 100%;
	}
}