@charset "utf-8";
/* CSS Document */

/********************************************************************************

  main_visual

*********************************************************************************/
#top .central .main_visual,
#top .hydrogen .main_visual {
	margin-bottom: 50px;
}
#top .central .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/central/images/mv.png);
	background-repeat: no-repeat;
}
#top .hydrogen .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/hydrogen/images/mv.png);
	background-repeat: no-repeat;
}
#welding .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/central/welding/images/mv.png);
	background-repeat: no-repeat;
}
#facility .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/central/facility/images/mv.png);
	background-repeat: no-repeat;
}
#facility .hydrogen .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/hydrogen/facility/images/mv.png);
	background-repeat: no-repeat;
}

#high-pressure .hydrogen .main_visual .main_visual_bg {
	background-image: url(/eng/business/rd/hydrogen/high-pressure/images/mv.png);
	background-repeat: no-repeat;
}

.detail_main_wrap .detail_main_txtarea{
	background: none;
}
@media screen and (max-width:767px){/* SP */
	#high-pressure .detail_main_wrap .detail_main_inner,
	#welding .detail_main_wrap .detail_main_inner {
		padding-top: 10px;
	}
	.detail_main_wrap .detail_main_txtarea_inner {
    padding: 10px 20px 40px;
}
}

@media print, screen and (min-width:768px){
	#header .header_nav_acc_conts {
		justify-content: space-between;
	}
	#header .header_nav_acc_conts.txt_l li {
		width: auto;
	}
	#header .header_nav_acc_conts.few {
		justify-content: start;
	}

	.firstview{
		margin: 0 auto 100px;
		position: relative;
		max-width: 1536px;
	  }
	  #hydrogen .facility .firstview{
		min-height: 560px;
	  }
	  .ttl_page{
		max-width: 1466px;
		margin: 0 auto 40px;
	  }
	  .ttl_page .ttl_page_inner {
		max-width: inherit;
		margin-left: 0;
		margin-right: 0;
		width: 55.7%;
	  }
	  .detail_main_wrap,
	  .detail_main_outer{
		position: inherit;
	  }
	  .detail_main_wrap:after {
		display: none;
	  }
	.detail_main_wrap .detail_main_inner {
		margin-bottom: 50px;
	}
	.img_large .detail_main_wrap .detail_main_txtarea_inner,
	.img_large .ttl_page .ttl_page_inner {
		width: 37.7%;
	}
	.ttl_page .ttl_page_inner {
		padding: 40px 50px;
	}
	.ttl_page .txt_catch {
		font-size: 21px;
		font-weight: bold;
		line-height: 1.4;
	}
	.ttl_page .txt_main {
		font-size: 42px;
		font-weight: 900;
		line-height: 1.4;
	}

	.detail_main_wrap .detail_main_txtarea{
	  min-height: inherit;
	  padding: 0;
	}
	.detail_main_wrap .detail_main_txtarea .detail_main_txtarea_inner{
		width: 100%;
	}
	.detail_main_wrap .detail_main_txt{
	  position: relative;
	  z-index: 2;
	}
	.detail_main_wrap .detail_main_imgarea{
	  top: 0;
	}

	.detail_main_txtarea_inner + .detail_main_box_bottom {
		margin-top: 30px;
		padding-top: 30px;
		border-top: 1px solid #ddd;
	}
	.img_large .detail_main_wrap .detail_main_imgarea {
		width: 59.9%;
    	max-width: 920px;
	}


.under_top .main_visual,
.under .main_visual {
	max-width: 1536px;
	height: auto;
    min-height: 450px;
    margin: 0 auto 50px;
}
.under .main_visual {
	margin: 0 auto 80px;
}
.under_top .main_visual .main_visual_bg,
.under .main_visual .main_visual_bg {
	max-width: 920px;
	height: 450px;
}

.under_top .main_visual .visual_image .txt_main,
.under .main_visual .visual_image .txt_main {
	font-size: 42px;}

.under .gray_over_wrap {
    padding: 0 0 120px;
}
.under .gray_over_wrap:after {
	height: 300px;
}
.under .main_visual_txt {
	width: 410px;
}
#welding-tech.under .gray_over_wrap:after,
#robot-system.under .gray_over_wrap:after{
	height: 220px;
}

.imgtxt_hor_2_1.sec_tit_mv > .col_inner > * {
	width: auto;
}
.imgtxt_hor_2_1.sec_tit_mv > .col_inner > .img {
	width: 60%;
}
.imgtxt_hor_2_1.sec_tit_mv > .col_inner > .txt {
	width: 37%;
}
}/* PC end */

#facility .img_over_txt_block {
	padding-right: 0;
}
#facility .img_over_txt_wrap.type_imgR {
	padding-left: 0;
}
#main.central .link_page {
	margin-top: 20px;
}
#main.central .btn_type01 .Shielding_Gases_btn{
	display: inline-block;
}


/* hydrogen */
#main.hydrogen .link_page ul {
	margin-top: 30px;
}
#main .link_page ul li{
	width: calc((100% - 88px) / 2);
}
#main.hydrogen .link_page ul li span::before {
	content: "";
	display: inline-block;
	width: 18px;
	height: 12px;
	margin-right: 8px;
}
#main.hydrogen .link_page ul li a {
	padding-left: 10px;
}

.img_list_box {
	position: relative;
	margin-left: auto;
	padding-right: 5%;
}
.imglist_5_2 {
	display: flex;
	justify-content: start;
	padding-left: 5%;
}
.imglist_5_2 li {
	max-width: 208px;
	margin-right: 20px;
}
.imglist_5_2 li img {
	width: 100%;
	height: auto;
}
#facility .central .img_over_txt_block h3,
#facility .central .img_over_txt_block .text {
	margin-top: 10px;
}

@media screen and (max-width:767px){/* SP */
	#main .link_page ul li{
		width: 100%;
	}
	#main .link_page .indent li {
		margin-left: 1.3em;
		text-indent: -1.6em;
		margin-right: 0;
	}
	#main.hydrogen .link_page .indent li a {
		padding-left: 20px;
	}
}

@media screen and (max-width:767px){/* SP */
	#facility .detail_main_wrap .detail_main_inner {
		padding-top: 10px;
	}
	#facility .img_list_box {
		position: relative;
		margin-left: 20px;
		padding: 50px 30px 30px;
	}
	#facility .imglist_5_2 {
		display: flex;
		flex-wrap: wrap;
		justify-content: start;
	}
	#facility .imglist_5_2 li {
		width: 46%;
		margin: 0 5px;
	}
	#facility .central .imglist_5_2 {
		padding-left: 0;
		justify-content: space-between;
	}
	#facility .central .imglist_5_2 li {
		width: calc((100% - 20px) / 2);
		margin: 0;
	}
	#facility .central .imglist_5_2 li:not(:nth-of-type(-n+2)) {
    	margin-top: 30px;
	}
	#facility .central .imglist_5_2 li {
    	max-width: 100%;
	}
	#facility .imglist_5_2 li img {
		width: 100%;
		height: auto;
	}
	#facility .detail_main_wrap .detail_main_txtarea {
		margin-bottom: 0;
	}

	#hydrogen .detail_main_wrap .detail_main_inner {
		padding-top: 59%;
	}
	#hydrogen .detail_main_wrap .detail_main_txtarea {
		margin-bottom: 50px;
	}
}


/********************************************************************************

  under common style

*********************************************************************************/



/* background -------------------------------------------------------------------*/
.bg_gray_box {
	padding: 80px 0;
	background: #f4f6f7;
}

.bg_light_gray_sec .thum_text_link {
	background: none;
}
.bg_light_gray_sec .thum_text_link_wrap._col1 .thum_text_link_txtarea {
	padding: 10px 30px 35px 0;
}

/* box style -------------------------------------------------------------------*/
.wh_imgtxt_wrap {
	overflow: hidden;
	padding-top: 50px;
}
.wh_imgtxt_wrap .col_inner {
	clear: both;
	position: relative;
}
.wh_imgtxt_wrap .col_inner .img {
	position: absolute;
	top: -50px;
	width: 558px;
}
.wh_imgtxt_wrap .col_inner.left .img {
	right: 0;
}
.wh_imgtxt_wrap .col_inner .img img {
	width: 100%;
	height: auto;
}
.wh_imgtxt_wrap .col_inner .txt {
	width: 100%;
	max-width: 798px;
	margin-bottom: 120px;
	background: #fff;
	box-sizing: border-box;
}
.wh_imgtxt_wrap .col_inner:last-child .txt {
	margin-bottom: 30px;
}
.wh_imgtxt_wrap .col_inner.right .txt {
	float: right;
}
.wh_imgtxt_wrap .col_inner .txt a {
	display: block;
	position: relative;
	min-height: 294px;
	padding: 80px 50px 75px 240px;
	box-sizing: border-box;
}
.wh_imgtxt_wrap .col_inner.left .txt a {
	padding: 80px 240px 75px 50px;
}
.wh_imgtxt_wrap .col_inner .txt a:hover {
	text-decoration: none;
}
.wh_imgtxt_wrap .col_inner .txt a::after {
	content: "";
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 23px;
    height: 6px;
    background: url(/eng/common_v3/images/icon_arrow_red.png) no-repeat;
    transition: all .2s;
}
.wh_imgtxt_wrap .col_inner.left .txt a::after {
	right: 240px;
}
.wh_imgtxt_wrap .col_inner .txt a:hover::after {
	right: 20px;
}
.wh_imgtxt_wrap .col_inner.left .txt a:hover::after {
	right: 230px;
}
.wh_imgtxt_wrap .col_inner .txt .text_mb {
	margin-bottom: 0;
	color: #222222;
}




/* list style ------------------------------------------------------------------*/

.list_disc {
	margin: 0;
	padding-inline-start: 20px;
    margin-block: 0;
}
.list_disc > li {
	list-style: disc;
	letter-spacing: 0;
}

.img_col2,
.img_col3,
.img_col4,
.img_col5 {
	display: flex;
	flex-wrap: wrap;
}
.img_col2 li img,
.img_col3 li img,
.img_col4 li img,
.img_col5 li img {
	width: 100%;
}
.img_col2 li,
.img_col3 li {
	font-size: 15px;
}
.img_col4 li {
	font-size: 14px;
}
.img_col5 li {
	font-size: 12px;
}
.img_col2 li a,
.img_col4 li a,
.img_col5 li a {
	display: block;
}
.img_col2 li a .tit,
.img_col4 li a .tit,
.img_col5 li a .tit {
	position: relative;
	color: #222222;
}
#top .hydrogen .img_col4 li a .tit,
#top .hydrogen .img_col2 li a .tit,
#top .central .img_col4 li a .tit,
#top .central .img_col5 li a .tit {
	margin-top: 10px;
}
.img_col2 li a .tit::after,
.img_col4 li a .tit::after,
.img_col5 li a .tit::after {
	content: "";
    position: absolute;
    right: 5px;
    top: 8px;
    width: 23px;
    height: 6px;
    background: url(/eng/common_v3/images/icon_arrow_red.png) no-repeat;
    transition: all .2s;
}
.img_col2 li a:hover,
.img_col4 li a:hover,
.img_col5 li a:hover {
	text-decoration: none;
	color: #1ba1e6;
}
.img_col2 li a:hover .tit::after,
.img_col4 li a:hover .tit::after,
.img_col5 li a:hover .tit::after {
	right: 0;
}
.img_col2 li a .tit,
.img_col4 li a .tit,
.img_col5 li a .tit {
	padding-right: 35px;
}
@media print, screen and (min-width:768px){/* PC */
	.img_col2,
	.img_col3,
	.img_col4,
	.img_col5 {
		justify-content: space-between;
	}
	.img_col2 li {
		width: calc((100% - 20px) / 2);
	}
	.img_col3 li {
		width: calc((100% - 30px) / 3);
	}
	.img_col4 li {
		width: calc((100% - 30px) / 4);
	}

	.img_col5 li {
		width: calc((100% - 40px) / 5);
	}
}

@media screen and (max-width:767px){ /* SP*/
	.img_col2 li,
	.img_col4 li,
	.img_col5 li {
		width: calc((100% - 20px) / 2);
	}
	.img_col2,
	.img_col4,
	.img_col5 {
		justify-content: space-between;
	}

	/* facility */
	.img_col2 li:not(:nth-of-type(-n+2)),
	.img_col4 li:not(:nth-of-type(-n+2)),
	.img_col5 li:not(:nth-of-type(-n+2)) {
		margin-top: 30px;
	}
	#facility .img_col3 li:not(:first-child) {
    	margin-top: 30px;
	}
}


/********************************************************************************

  top style

*********************************************************************************/
.tit_img_wrap {
	margin-bottom: 30px;
}
.tit_img_wrap a:hover {
	text-decoration: none;
}
#top .thum_text_link_wrap .thum_text_link a:after {
	display: none;
}
#top .thum_text_link_wrap .thum_text_link .thum_text_lnk_txt {
	position: relative;
}
#top .thum_text_link_wrap .thum_text_link .thum_text_lnk_txt::after {
	content: "";
    position: absolute;
    right: 10px;
    bottom: 0;
    width: 23px;
    height: 6px;
    background: url(/eng/common_v3/images/icon_arrow_red.png) no-repeat;
    transition: all .2s;
}
#top .thum_text_link_wrap .thum_text_link a:hover .thum_text_lnk_txt:after{
	right: 0;
}
@media print, screen and (min-width:768px){/* PC */
	.hover_list_wrap .hover_list_txtarea.ttl {
		padding-top: 70px;
	}
	.tit_img_wrap a {
		display: flex;
		justify-content: space-between;
	}
	#top .main_ctg_box .thum_text_link_wrap._col1 .thum_text_link a {
		justify-content: space-between;
	}
	#top .main_ctg_box .thum_text_link_wrap._col1 .thum_text_link_thum {
		width: 100%;
		max-width: 583px;
		margin-right: 0;
	}
	#top .main_ctg_box .thum_text_link_wrap._col1 .thum_text_link_txtarea {
		width: 45%;
		max-width: 500px;
	}
	#top .bg_light_gray_sec .thum_text_link_wrap._col1 .download_prevent {
		position: relative;
		left: auto;
		top: auto;
		max-width: 100%;
		transform: translate(0,0);
	}
	#top .bg_light_gray_sec .thum_text_link_wrap._col1 .download_prevent img {
		position: relative;
		height: auto;
		min-height: inherit;
		top: auto;
		left: auto;
		transform: none;
	}
}

@media screen and (max-width:767px){ /* SP*/
	#top .tit_img_wrap .ttl_bdr_blue {
		margin-bottom: 0;
	}
}

/* management/ */
#management .inquiry_wrap .inquiry_box {
	flex-wrap: wrap;
}
#management .inquiry_wrap .inquiry_box .wide {
	width: 100%;
	margin-bottom: 20px;
	font-size: 22px;
}
#management .inquiry_wrap .inquiry_box .inquiry_txt_area {
	font-size: 18px;
}

/* access */
#access .box01_border_gray {
	background: #fff;
}

#link_area .thum_text_link{
	background: #f4f6f7;
}
#link_area .thum_text_link_ttl {
	font-size: 22px;
}
#link_area .thum_text_lnk_txt {
	font-size: 16px;
}


/* link_area */
#link_area .thum_text_link_wrap .thum_text_link a:after {
	bottom: 30px;
	right: 30px;
}
#link_area .thum_text_link_wrap .thum_text_link a:hover:after {
	right: 20px;
}

@media print, screen and (min-width:768px){/* PC */
	#link_area .thum_text_link_wrap._col1 .thum_text_link_txtarea {
		padding: 30px 40px 20px 0;
	}
}
@media screen and (max-width:767px){ /* SP*/
	#link_area .thum_text_link_wrap._col1 .thum_text_link_txtarea {
		padding: 10px 30px 35px;
	}
}

/********************************************************************************

  under each style

*********************************************************************************/

/* facility page */
#facility .main_visual .ttl_dot_blue {
	margin-top: 20px;
}
#facility .img_over_txt_block h3 {
	font-size: 14px;
	font-weight: bold;
	letter-spacing: 0;
}
#facility .img_over_txt_block .text {
	font-size: 13px;
}

.facility_detail dl {
	margin-bottom: 20px;
}
.facility_detail dt {
	margin-bottom: 10px;
	font-weight: bold;
	font-size: 20px;
}
.facility_detail dl.indent dt {
	margin-left: 1.3em;
    text-indent: -1.3em;
}
.facility_detail dt::before {
	content: "";
	display: inline-block;
	vertical-align: middle;
    width: 15px;
	height: 2px;
	margin-right: 10px;
    background-color: #1ba1e6;
}