.top_image {
	background-image: url(../image/top_image.png);
	background-position: center top;
	height: 300px;
	width: 100%;
	margin-top: 79px;
}
@media screen and (max-width: 760px) {
.top_image {
	background-image: url(../image/top_images.png);
	background-position: center top;
	background-size: 100%;
	height: 125px;
	width: 100%;
	margin-top: 0px;
}
}
#contents_wrapper .category_block {
	height: auto;
	width: 1070px;
	margin-top: 50px;
	margin-right: auto;
	margin-left: auto;
	display: flex;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	margin-bottom: 80px;
}
#contents_wrapper .category_block .category {
	height: auto;
	width: 519px;
	margin-right: 32px;
	margin-bottom: 40px;
}
#contents_wrapper .category_block .category .pc {
	transition: 0.4s;
	opacity: 1;
}
#contents_wrapper .category_block .category .pc:hover {
	opacity: 0;
}
#contents_wrapper .category_block .category .pc {
	display: block;
}
#contents_wrapper .category_block .category .sp {
	display: none;
}
#contents_wrapper .category_block .category:nth-child(1) {
	background-image: url(../image/but_download_on.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#contents_wrapper .category_block .category:nth-child(2) {
	background-image: url(../image/but_request_on.png);
	background-repeat: no-repeat;
	background-position: center top;
	margin-right: 0px;
}
#contents_wrapper .category_block .category:nth-child(3) {
	background-image: url(../image/but_sample_on.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#contents_wrapper .category_block .category:nth-child(4) {
	background-image: url(../image/but_estimate_on.png);
	background-repeat: no-repeat;
	background-position: center top;
	margin-right: 0px;
}
#contents_wrapper .category_block .category:nth-child(5) {
	background-image: url(../image/but_catalog_on.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#contents_wrapper .category_block .category:nth-child(6) {
	background-image: url(../image/but_delivery_on.png);
	background-repeat: no-repeat;
	background-position: center top;
	margin-right: 0px;
}
#contents_wrapper .category_block .category:nth-child(7) {
	background-image: url(../image/but_inquery_on.png);
	background-repeat: no-repeat;
	background-position: center top;
}
 @media screen and (max-width: 760px) {
#contents_wrapper .category_block {
	height: auto;
	width: 92%;
	margin-top: 15px;
	margin-right: auto;
	margin-left: auto;
	display: flex;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	margin-bottom: 60px;
}
#contents_wrapper .category_block .category {
	height: auto;
	width: 100%;
	margin-bottom: 10px;
	margin-right: 0px;
}
#contents_wrapper .category_block .category img {
	height: auto;
	width: 100%;
}
#contents_wrapper .category_block .category .sp {
	display: block;
}
#contents_wrapper .category_block .category .pc {
	display: none;
}
#contents_wrapper .category_block .category:nth-child(6) {
	margin-bottom: 10px;
}
#contents_wrapper .title_support {
	height: auto;
	width: 94%;
	margin-top: 36px;
	margin-right: auto;
	margin-left: auto;
	text-align: center;
}
}