/* front first view slider */

.header_front {
	display: flex;
	flex-direction: column;
	width: 100vw;
}

.front_fv_container {
	width: 100vw;
	position: relative;
	border-bottom: 2px #3E3E3E solid;
	background-image: 
		linear-gradient(0deg, transparent calc(100% - 1px), #f0f0f0 calc(100% - 1px)),
		linear-gradient(90deg, transparent calc(100% - 1px), #f0f0f0 calc(100% - 1px));
	background-size: 18px 18px;
	background-repeat: repeat;
	background-position: center center;
	background-color: rgba(240,240,240,0.5);
}

.front_fv_inner {
	margin: 0 auto;
	position: relative;
}

.front_fv_main {
	position: relative;
	z-index: 100;
	width: 100%;
	height: 100%;
}

.front_fv_main_container {
	width: 100%;
	height: 100%;
}

.front_fv_spacer {
	position: absolute;
	width: 1.5vw;
	height: 2px;
	background: #E3F7FF;
}

.front_fv_spacer_1 {
	bottom: -2px;
	left: 30vw;	
}

.front_fv_spacer_2 {
	bottom: -2px;
	left: 20vw;	
}

/* fv main */

.front_fv_main .slick-list {
	height: 100%;	
}

.front_fv_main .slick-track {
	display: flex;
	height: 100%;	
}

.front_fv_main .slick-slide {
	height: auto;
}

.front_fv_article_list_ul {
	width: 100%;
	height: 100%;
	display: flex;
}

.front_fv_article_list_li {
	width: 100%;
	flex: 1;
	padding: 0 0 120px 0;
}

.front_fv_article_value {
	width: 100%;
	height: 100%;
	position: relative;
}

.front_fv_article_value_area_1 {
	position: absolute;
	top: 0;
	left: 0;
	width: 50%;	
	max-width: 722px;
	aspect-ratio: 3 / 2;
	z-index: 100;
}

.front_fv_article_value_area_1_inner {
	position: relative;
	border-left: 2px #3E3E3E solid;
	border-right: 2px #3E3E3E solid;
	border-bottom: 2px #3E3E3E solid;
}

.front_fv_article_value_spacer_1 {
	position: absolute;
	width: 3%;
	height: 2px;
	background: #fff;
}

.front_fv_article_value_spacer_1_1 {
	bottom: -2px;
	right: 20%;
}

.front_fv_article_value_spacer_1_2 {
	bottom: -2px;
	right: 40%;
}

.front_fv_article_value_area_1_thumbnail {
	width: 100%;
	aspect-ratio: 3 / 2;
	overflow: hidden;
}

.front_fv_article_value_area_1_thumbnail_link {
	width: 100%;
	display: block;
}

.front_fv_article_value_area_1_thumbnail_img {
	width: 100%;
	aspect-ratio: 3 / 2;
	transition: 0.3s;
}

.front_fv_article_value_area_1_thumbnail_link:hover .front_fv_article_value_area_1_thumbnail_img {
	transform: scale(1.025);
	transition: 0.3s;
}

.front_fv_article_value_area_2 {
	position: absolute;
	bottom: 0;
	right: 0;
	width: calc(50% + 60px);
	max-width: 782px;	
	z-index: 50;
}

.front_fv_article_value_area_2_inner {
	position: relative;
	border-left: 2px #3E3E3E solid;
	border-right: 2px #3E3E3E solid;
	border-top: 2px #3E3E3E solid;
	border-bottom: 2px #3E3E3E solid;
	padding: 60px 45px 15px 105px;
}

.front_fv_article_value_area_2_main {
	position: relative;
}

.front_fv_article_value_spacer_2 {
	position: absolute;
	height: 2px;
}

.front_fv_article_value_spacer_2_1 {
	top: -2px;
	left: calc(50% + 30px);
	transform: translateX(-50%);
	width: 75%;
}

.front_fv_article_value_area_2_text_top {
	position: absolute;
	top: 0;
	left: calc(50% + 30px);
	transform: translateX(-50%) translateY(-50%);
	width: 75%;
	height: 0;
}

.front_fv_article_value_area_2_text_top_inner {
	padding: 20px;
	transform: translateY(-50%);
}

.front_fv_article_value_area_2_text_top_inner .svg_content {
	transform: translateY(-50%);	
}

.front_fv_article_value_spacer_2_2 {
	bottom: -2px;
	right: 5%;
	width: 40%;
}

.front_fv_article_value_area_2_text_bottom {
	position: absolute;
	bottom: 0;
	right: 5%;
	transform: translateY(-50%);
	width: 40%;
	height: 0;
}

.front_fv_article_value_area_2_text_bottom_inner {
	padding: 20px;
	transform: translateY(-50%);
}

.front_fv_article_value_area_2_text_bottom_inner .svg_content {
	transform: translateY(-50%);	
}

.front_fv_article_value_title {
	margin: 0 0 20px 0;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 2;
	-webkit-line-clamp: 2;	
}

.front_fv_article_value_title_link {
	font-size: 20px;
	font-weight: 700;
	color: #3E3E3E;
	line-height: 1.5em;
}

.front_fv_article_value_description {
	margin: 0 0 20px 0;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 2;
	-webkit-line-clamp: 2;	
}

.front_fv_article_value_description_text {
	font-size: 15px;
	font-weight: 500;
	color: #707070;
	line-height: 1.5em;
}

.front_fv_article_value_tag {
	padding: 0 0 20px 0;
}

.front_fv_article_value_tag .tags_link {
	color: #707070;
	border: 1px #707070 solid;
	background: #fff;
}

.front_fv_article_value_tag .tags_link:hover {
	color: #fff;
	border: 1px transparent solid;
	background: #707070;
}

.front_fv_article_value_readmore {
	position: relative;
	z-index: 1000;
	display: flex;
	margin: 0 0 20px 0;
}

.front_fv_article_value_readmore_blank {
	flex: 1;
}

.front_fv_article_value_readmore_main {
	margin: 0 20px;
}

.front_fv_article_value_readmore_link {
	display: inline-block;
	padding: 15px 25px 15px 15px;
	border: 1px #707070 solid;
}

.front_fv_article_value_readmore_inner {
	position: relative;
}

.front_fv_article_value_readmore_text {
	font-size: 15px;
	color: #3E3E3E;
	line-height: 1.5em;
	transition: 0.3s;
}

.front_fv_article_value_readmore_inner::before {
	position: absolute;
	top: 50%;
	right: -50px;
	width: 40px;
	height: 1px;
	content: '';
	background: #707070;
	transition: 0.3s;
}

.front_fv_article_value_readmore_inner::after {
	position: absolute;
	top: calc(50% - 5px);
	right: -52px;
	width: 14px;
	height: 1px;
	content: '';
	background: #707070;
	transform: rotate(45deg);
	transition: 0.3s;
}

.front_fv_article_value_readmore_link:hover {
	background: #707070;
	border: 1px transparent solid;
}

.front_fv_article_value_readmore_link:hover .front_fv_article_value_readmore_text {
	color: #fff;
	transition: 0.3s;
}


.front_fv_article_value_readmore_link:hover .front_fv_article_value_readmore_inner::before {
	transform: translateX(5px);
	transition: 0.3s;
}

.front_fv_article_value_readmore_link:hover .front_fv_article_value_readmore_inner::after {
	transform: translateX(5px) rotate(45deg);
	transition: 0.3s;
}

.front_fv_article_value_num_border {
	display: flex;
	vertical-align: middle;
	align-items: center;
	transform: translateY(-25px);
	position: relative;
	z-index: 500;
}

.front_fv_article_value_slash {
	position: relative;
}

.front_fv_article_value_slash::before {
	position: absolute;
	top: 0;
	left: 12px;
	width: 1px;
	height: 56px;
	content: "";
	background: #707070;
	transform: translateY(-52px) rotate(25deg);
}

.front_fv_article_value_num {
	margin: 0 0 0 30px;
	width: 76px;
	aspect-ratio: 1 / 1;
	transform: translateY(-10px);
}

.front_fv_article_value_num_img {
	width: 100%;
}

.front_fv_article_value_num .svg_content {
	transform: translateY(-50%);
}

.front_fv_article_value_border {
	flex: 1;
	margin: 0 0 0 15px;
	border-bottom: 1px #707070 dashed;
}

/* front key color */

.fv_slide_interview .front_fv_article_value_area_2_inner,
.fv_slide_interview .front_fv_article_value_spacer_2_1,
.fv_slide_interview .front_fv_article_value_spacer_2_2 {
	background: #fddcdb;
}

.fv_slide_interview .svg_content rect,
.fv_slide_interview .svg_content path {
	fill: rgba(229,182,180,0.4);
}

.fv_slide_technology .front_fv_article_value_area_2_inner,
.fv_slide_technology .front_fv_article_value_spacer_2_1,
.fv_slide_technology .front_fv_article_value_spacer_2_2 {
	background: #E3F7FF;
}


.fv_slide_technology .svg_content rect,
.fv_slide_technology .svg_content path {
	fill: rgba(172,204,226,0.4);
}

.fv_slide_news .front_fv_article_value_area_2_inner,
.fv_slide_news .front_fv_article_value_spacer_2_1,
.fv_slide_news .front_fv_article_value_spacer_2_2 {
	background: #f9e9da;
}

.fv_slide_news .svg_content rect,
.fv_slide_news .svg_content path {
	fill: rgb(224,184,149,0.4);
}

/* scroll down */

.front_fv_scroll {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 200;
}

.front_fv_scroll_container {

}

.front_fv_scroll_caption {
	display: flex;
	justify-content: center;
	padding: 0 0 5px 0;
}

.front_fv_scroll_caption_text {
	color: #3E3E3E;
	font-size: 15px;
	font-weight: 500;
	line-height: 1.5em;
}

.front_fv_scroll_main {
	width: 1px;
	height: 40px;
	margin: 0 auto;
}

.front_fv_scroll_main_line {
	width: 100%;
	height: 100%;
	display: block;
	background: linear-gradient(to bottom, #3E3E3E 50%, rgba(255, 255, 255, 0) 50%);
	background-position: 0 -60px;
	background-size: 100% 200%;
	animation: scrolldown 2.2s cubic-bezier(0.76, 0, 0.3, 1) forwards infinite;
}


@keyframes scrolldown {
	0%{
		background-position: 0 -40px;
	}
	75% {
		background-position: 0 0;
	}
	100%{
		background-position: 0 40px;
	}
}


/* slick control */

.front_fv_article_list_ul .slick-dots {
	left: -35%;
	bottom: 30%;
}

.front_fv_article_list_ul .slick-dots li {
	width: 30px;
}

.front_fv_article_list_ul .slick-dots li button:before {
	width: 30px;
	height: 30px;
	line-height: 30px;
	font-size: 12px;
	color: #888;
}

.front_fv_article_list_ul .slick-dots li.slick-active button:before {
	color: #94E6E5;
}

.front_fv_article_list_ul .slick-arrow {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: #fff!important;
	border: 1px #707070 solid;
	content: "" !important;
	position: absolute;
	z-index: 500;
	opacity: 1;
	transition: 0.3s;
}

.front_fv_article_list_ul .slick-prev {
	top: 69%;
	left: 26.5%;
	transform: translateX(-50%) translateY(-50%);
	color: #fff;
}

.front_fv_article_list_ul .slick-prev:before {
	display: block;
	color: #333;
	content: '';
	width: 12px;
	height: 12px;
	border-bottom: 2px #707070 solid;
	border-left: 2px #707070 solid;
	transform: translateX(15px) rotate(45deg);
	opacity: 1;
	z-index: 10;
}

.front_fv_article_list_ul .slick-next {
	top: 69%;
	left: 28%;
	transform: translateX(50%) translateY(-50%);
	color: #fff;
}

.front_fv_article_list_ul .slick-next:before {
	display: block;
	color: #333;
	content: '';
	width: 12px;
	height: 12px;
	border-top: 2px #707070 solid;
	border-right: 2px #707070 solid;
	transform: translateX(9px) rotate(45deg);
	opacity: 1;
	z-index: 10;
}


/* middle PC design break:1440px(for slider) */
@media screen and (max-width: 1440px) {
	
	.front_fv_article_value_area_1_inner {
		border-left: none;
	}
	
	.front_fv_article_value_area_2_inner {
		border-right: none;
	}
	
}


/* small PC design break:1160px */
@media screen and (max-width: 1160px) {

	.front_fv_article_value_area_2_text_top {
		width: 70%;
	}

	.front_fv_article_value_spacer_2_1 {
		width: 70%;
	}

	.front_fv_article_value_area_2_text_bottom {
		width: 37.5%;
	}

	.front_fv_article_value_spacer_2_2 {
		width: 37.5%;
	}

	.front_fv_article_list_li {
		padding: 0 0 90px 0;	
	}

	.front_fv_scroll_main {
		height: 30px;	
	}

	.front_fv_article_value_area_2_inner {
		padding: 60px 45px 15px 100px;
	}

	.front_fv_article_value_title {
		margin: 0 0 15px 0;
	}

	.front_fv_article_value_title_link {
		font-size: 16px;
	}

	.front_fv_article_value_description {
		margin: 0 0 15px 0;
	}

	.front_fv_article_value_tag {
		display: none;
	}

	.front_fv_article_value_description_text {
		font-size: 14px;
	}

	.front_fv_article_value_readmore_link {
		padding: 10px 20px 10px 15px;	
	}

	.front_fv_article_value_readmore_text {
		font-size: 14px;
	}

	.front_fv_article_value_num {
		width: 56px;
		transform: translateY(-5px);
	}

	.front_fv_article_value_slash::before {
		height: 40px;
		transform: translateY(-32px) rotate(25deg);
	}

	@keyframes scrolldown {
		0%{
			background-position: 0 -30px;
		}
		75% {
			background-position: 0 0;
		}
		100%{
			background-position: 0 30px;
		}
	}

	/* slick control */

	.front_fv_article_list_ul .slick-dots {
		left: -37%;
		bottom: 30%;
	}

}

/* small PC design 2 break:980px */
@media screen and (max-width: 980px) {

	.front_fv_article_value_description {
		display: none;
	}

	.front_fv_article_value_area_2_inner {
		padding: 55px 45px 0px 90px;
	}

	/* slick control */

	.front_fv_article_list_ul .slick-dots {
		left: -36%;
		bottom: 20%;
	}

	.front_fv_article_list_ul .slick-prev {
		top: 79.5%;
		left: 30%;
	}

	.front_fv_article_list_ul .slick-next {
		top: 79.5%;
		left: 31.5%;
	}

}

/* SP design break:768px */
@media screen and (max-width: 768px) {

	.front_fv_spacer  {
		width: 3vw;
	}

	.front_fv_spacer_2 {
		display: none;	
	}

	.front_fv_scroll {
		display: none;
	}

	.header_front,.front_fv_container,.front_fv_inner {
		max-height: none;
	}
	
	.front_fv_container {
		border-bottom: none;	
	}

	.front_fv_inner {
		height: auto;
		aspect-ratio: auto;
	}

	.front_fv_article_value_area_1 {
		position: static;	
		width: 100%;
		max-width: 768px;
	}

	.front_fv_article_value_spacer_1 {
		display: none;
	}

	.front_fv_article_value_area_1_inner {
		border-left: none;
		border-right: none;
	}

	.front_fv_article_value_area_2 {
		position: static;	
		width: 100%;
		max-width: 768px;
		transform: translateY(50px);
	}

	.front_fv_article_value_area_2_text_top {
		width: 87.5%;
		left: 50%;
	}
	
	.front_fv_article_value_area_2_text_bottom {
		width: 50%;
		right: 0;
	}

	.front_fv_article_value_spacer_2_1 {
		left: 50%;
	}

	.front_fv_article_value_area_2_inner {
		padding: 45px 15px 0 15px;
		border-top: none;
		border-left: none;
		border-right: none;
	}
	
	.front_fv_article_value_spacer_2_2 {
		width: 50%;
		right: 0;
	}

	.front_fv_article_value_title {
		line-clamp: none;
		-webkit-line-clamp: none;
	}

	.front_fv_article_value_description {
		display: block;
		line-clamp: 3;
		-webkit-line-clamp: 3;
	}

	.front_fv_article_value_tag {
		display: block;
	}
	
	.front_fv_article_value_tag .tags_ul {
		flex-wrap: nowrap;
		overflow-x: scroll;
	}
	
	.front_fv_article_value_tag .tags_ul::-webkit-scrollbar {
		display: none;
	}
	
	.front_fv_article_value_tag .tags_li {
		display: none;
	}

	.front_fv_article_value_tag .tags_li:nth-child(1),
	.front_fv_article_value_tag .tags_li:nth-child(2) {
		display: block;
	}
	
	.front_fv_article_value_readmore {
		transform: translateY(10px);
		margin: 0 20px 20px 0;
	}
	
	.front_fv_article_value_num {
		width: 56px;
		transform: translateY(-3px);
	}
	
	.front_fv_article_value_num_border {
		transform: translateX(10px) translateY(-55px);
	}
	
	.front_fv_article_value_border {
		width: 40%;
		flex: none;
		transform: translateX(-90px) translateY(20px);
	}

	/* slick control */

	.front_fv_article_list_ul .slick-dots {
		left: 0;
		bottom: auto;
		height: 20px;
	}

	.front_fv_article_list_ul .slick-prev,
	.front_fv_article_list_ul .slick-next {
		display: none!important;
	}

}