/* 배경 */
.sub_sec{max-width: 1400px; height: auto; margin: 0 auto 50px; position: relative;}
.box{width: 100%; height: 0;}

.main_box{width: 100%; position: relative;}
.img_1{ width: 100%;}
.img_2{ width: 100%;}
.img_1 img{ display: block; max-width: 100%;}
.img_2 img{ display: none; max-width: 100%;}

@media screen and (max-width:880px) {
	.sub_sec{margin-top: 100px;}
}

@media screen and (max-width:720px) {
	.img_1 img{display: none; }
	.img_2 img{ display: block;}
}

.nbooking_link_banner{ 
	width: 100%;}

.nbooking_link_banner a{display: inline-block; width: 100%; height: 100%;}

.booking_pc {display: block;  max-width: 1400px; width: 100%;}
.booking_m{display: none; max-width: 720px; width: 100%}

@media screen and (max-width:1400px){
	.nbooking_link_banner{height: 320px;  }
}
@media screen and (max-width:1200px){
	.nbooking_link_banner{height: 280px;  }
}
@media screen and (max-width:720px) {
	.nbooking_link_banner{height: 720px;}
	.booking_pc {display: none;}
	.booking_m{display: block;}
    }
@media screen and (max-width:650px) {
	.nbooking_link_banner{height: 650px;}
	}
@media screen and (max-width:550px) {
		.nbooking_link_banner{height: 550px;}
	}

@media screen and (max-width:490px) {
		#hd_top{top: 0px;}
	}
@media screen and (max-width:450px) {
		.nbooking_link_banner{height: 400px;}
	}
	@media screen and (max-width:400px) {
		.nbooking_link_banner{height: 350px;}
	}