@charset "utf-8";

/*********************************************************************
 *
 *
 * 更新日: 2024/9/6
 *
 *********************************************************************/

/*  tech_main.css　customize
----------------------------------------------------------
---------------------------------------------------------- */
div#body div#main.tech_body.c_a4csel_body{
	font-family:"Roboto","Noto Sans JP","メイリオ", Meiryo, "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", "ＭＳ ゴシック", sans-serif;
	font-size: 16px;
	font-size: 1rem;
	line-height: 1.875;
	font-weight: 400;
	letter-spacing: 0.02em;
	font-feature-settings : "pkna" 1;
	-webkit-text-size-adjust:100%;
	position: relative;
}

#body #main.tech_body.c_a4csel_body .section {
	padding: 0;
	width: 1160px;
	margin: 0 auto;
  }

.section p{
	text-align: justify;
}
sup {
    vertical-align: 0.4em;
}
img.link_icon {
    vertical-align: 2px;
}

#body #main.tech_body.c_a4csel_body .caption {
	font-size: 14px;
    font-size: 0.875rem;
	text-align: center;
	margin-top: 5px;
}
#body #main.tech_body.c_a4csel_body .caption.left {
	text-align: left;
}

.bg-g{
	background: #efefef;
	margin-top: 50px;
	padding-top: 30px;
	padding-bottom: 30px;
	margin-bottom: 50px;
}
#main.tech_body .bg-g h3{
	margin: 0 0 15px 0;
	padding: 0;
	text-align: center;
	letter-spacing: 0.05em;
	font-size: 24px;
	font-size: 1.5rem;
	font-weight: 500;
}

.mt0{
	margin-top: 0px !important;
}
.mt20{
	margin-top: 20px !important;
}
.mb0{
	margin-bottom: 0px !important;
}
.mb10{
	margin-bottom: 10px !important;
}
.mb30{
	margin-bottom: 30px !important;
}

/* main
-----------------------*/
.h1_title{
	width: 100%;
	min-width: 1160px;
	height: auto;
	text-align: center;
}

div#body .h1_title h1{
	font-size: 88px;
	font-size: 5.5rem;
	font-weight: bold;
	line-height: 0.32;
	margin: 0;
	height: 128px;
}
div#body .h1_title h1 span.sub01{
	display:block;
	color: #cc0000;
	font-size: 30px;
	font-size: 1.875rem;
}
div#body .h1_title h1 span.sub01:after{
	content: "";
	display: inline-block;
	position: relative;
	top: 5px;
	left: 8px;
	width: 28px;
	height: 29px;
	background-image: url("/tech/c_a4csel/common/images/for.svg");
	background-size: contain;
	background-repeat: no-repeat;
}
div#body .h1_title h1 span.sub02{
	display: none;
}
.h1_title img{
	width: 100%;
	height: auto;
}

.section.intro{
	text-align: center;
	margin-bottom: 35px !important;
}
div#body .section.intro h2{
	font-weight: normal;
	color: #cc0000;
	font-size: 30px;
	font-size: 1.875rem;
	line-height: 1.6;
	margin-bottom: 1.25rem;
}
div#body .section.intro p{
	line-height: 2.25;
	text-align: center;
}

div#body h2{
	font-size: 28px;
	font-size: 1.75rem;
	font-weight: 500;
	color: #cc0000;
	text-align: center;
	margin-top: 2.5rem;
	margin-bottom: 1.75rem;
	line-height: 1.6;
}
div#body h2.mt_large{
	margin-top: 4rem;
}


/* 1160px 基本レイアウト */
#body #main.tech_body.c_a4csel_body .section.col2,
#body #main.tech_body.c_a4csel_body .section.col3,
#body #main.tech_body.c_a4csel_body .section.col4,
#body #main.tech_body.c_a4csel_body .section.col5{
	width: 960px;
}

#body #main.tech_body.c_a4csel_body .section.narrow_400{
	padding: 0 380px 0 380px;
	width: 400px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_600{
	padding: 0 280px 0 280px;
	width: 600px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_660{
	padding: 0 250px 0 250px;
	width: 660px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_700{
	padding: 0 230px 0 230px;
	width: 700px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_800{
	padding: 0 180px 0 180px;
	width: 800px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_960{
	padding: 0 100px 0 100px;
	width: 960px;
}
#body #main.tech_body.c_a4csel_body .section.narrow_400 img,
#body #main.tech_body.c_a4csel_body .section.narrow_600 img,
#body #main.tech_body.c_a4csel_body .section.narrow_660 img,
#body #main.tech_body.c_a4csel_body .section.narrow_700 img,
#body #main.tech_body.c_a4csel_body .section.narrow_800 img,
#body #main.tech_body.c_a4csel_body .section.narrow_960 img{
	width: 100%;
}

/* VIDEO */
.bg-g.video{
	background: #e3e9ec;
	text-align: center;
	padding-top: 50px;
	padding-bottom: 20px;
}
video{
	width: 100%;
}
.p-movie{
	position: relative;
	width: 620px; /* <-- movie size(width) setting*/
	margin: 0 auto;
}
.p-movie__playLayer{
	display: flex; justify-content: center;
	align-items: center;
	position: absolute;
	top:0px; left:0px;
	width: 100%;
	height: 100%;
	z-index:20;
	/* background-color: rgba(0,0,0,0.3); */
}
.p-movie__playLayer .c-playLabel{
	width: 110px;
	height: auto;
	border-radius: 50%;
	margin-top: -10px;
	background-color: rgba(40,40,40,0.7);
	text-align: center;
	text-decoration: none !important;
}
.c-playLabel img{
	width: 100%;
	height: auto;
}
.p-movie__playLayer:hover .c-playLabel{
	opacity: 0.8;
}

/*---mov_plyr---*/
.plyr button.plyr__play-large{
	display: none;
}
.plyr--audio .plyr__controls{
	/*display: none;*/
}

/* Column */
div#body #main.tech_body.c_a4csel_body .section.column {
	border: solid 1px #cc0000;
	padding: 30px 100px 50px 100px;
	box-sizing: border-box;
	margin-top: 75px;
	margin-bottom: 50px;
}
div#body #main.tech_body.c_a4csel_body .section.column h3{
	font-size: 28px;
	font-size: 1.75rem;
	font-weight: 500;
	text-align: center;
	line-height: 1.45;
	margin: 0 0 30px;
	padding: 0;
	letter-spacing: 0.05em;
}
div#body #main.tech_body.c_a4csel_body .section.column h3 span{
	display: block;
	color: #cc0000;
	font-weight: 100;
	line-height: 1.8;
	font-size: 28px;
	font-size: 1.75rem;
}
.column .col2,
.column .col3,
.column .col4 {
	width: 960px;
	display: flex;
}
.column .narrow_660{
	width: 660px;
	padding: 0 145px 0 145px;
}
.column .narrow_760{
	width: 760px;
	padding: 0 100px 0 100px;
}
.column .narrow_660 img,
.column .narrow_760 img{
	width: 100%;
	height: auto;
}
.column .link_btn p{
	text-align: center;
}
.column .link_btn .btn img{
	width: 380px;
	height: auto;
}
.column .link_btn a:hover{
	opacity: 0.6;
}

/* 関連情報 */
#body #main.tech_body.c_a4csel_body .section.rel_info {
	display: flex;
	padding: 25px 40px 15px;
	border: none;
	margin-top: 60px;
	margin-bottom: 20px;
	background-color: #fcf2f2;
	box-sizing: border-box;
	border: solid 3px #f5d0d0;
	letter-spacing: 0.01em;
	box-sizing: border-box;
}
#body #main.tech_body.c_a4csel_body .section.rel_info h3{
	font-size: 18px;
	font-size: 1.125rem;
	color: #cc0000;
	width: 5.5em;
	line-height: 1.2;
}
#main.tech_body .rel_info ul.link > li{
	margin-bottom: 8px;
}
#body #main.tech_body.c_a4csel_body .section.rel_info ul li a{
	font-size: 15.5px;
	font-size: 0.96875rem;
	color: #363434;
}

#body #main.tech_body.c_a4csel_body .section.rel_info ul li.press_l2{
	text-indent: -9em;
	padding-left: 10em;
}
#main.tech_body .rel_info ul.link > li.press_l2:before {
    left: 9em;
}

/* customize
-----------------------*/
/* engineering */
.engineering div#body .h1_title h1{
	font-size: 73px;
	font-size: 4.5625rem;
	font-weight: bold;
	line-height: 0.15;
	margin-top: 0;
	letter-spacing: 0.01em;
}
.engineering div#body .h1_title h1 span.sub01{
	position: relative;
	color: #363434;
	font-size: 20px;
	font-size: 1.25rem;
	line-height: 0.9;
	top: 10px;
    left: -77px;
}
.engineering div#body .h1_title h1 span.sub01:after{
	content: none;
}
.engineering div#body .h1_title h1 span.a{
	letter-spacing: -0.08em;
}
.engineering div#body .h1_title h1 span.s{
	font-size: 64px;
	font-size: 4rem;
	vertical-align: 2px;
}
.engineering div#body .h1_title h1 sup.reg{
	font-size: 24px;
	font-size: 1.5rem;
	vertical-align: 44px;
}

div#body .section.intro h2{
	margin-top: 2.5rem;
}
div#body .section.intro .bg-g{
	display: inline-block;
	padding: 0 1.25em;
	margin-top: 5px;
	margin-bottom: 0;
}
.engineering div#body h2{
	margin-top: 6.5rem;
}
.engineering div#body h4{
	font-size: 16px;
	font-size: 1rem;
	letter-spacing: 0.01em;
	line-height: 1.6;
	margin-bottom: 10px;
	text-align: center;
}

.engineering .bg-g.figure{
	margin-top: 0;
}
.bg-g.figure ul.point{
	display: flex;
	justify-content: center;
}
.bg-g.figure ul.point > li{
	width: 200px;
	height: 200px;
	border: solid 1px #cc0000;
	background: #fff;
	border-radius: 100px;
	margin-right: 25px;
	text-align: center;
	font-size: 20px;
	font-size: 1.25rem;
	font-weight: 500;
	line-height: 1.9;
	box-sizing: border-box;
	padding-top: 15px;
}
.bg-g.figure ul.point > li:last-child{
	margin-right: 0;
}
.bg-g.figure ul.point > li span{
	color: #cc0000;
	line-height: 0.5;
}
.bg-g.figure ul.point > li span.number{
	font-size: 38.5px;
	font-size: 2.40625rem;
	font-weight: 100;
	margin-bottom: 10px;
	line-height: 0.1;
}

/* dam */
.bg-g.a4csel_heavy_machine{
	padding-bottom: 20px;
}
/* #body #main.tech_body.c_a4csel_body .bg-g.a4csel_heavy_machine .section.col4{
	width: 1160px;
}
#body #main.tech_body.c_a4csel_body .bg-g.a4csel_heavy_machine .section.col4 .col{
	width: 275px;
} */

/* tunnel */
/* tunnel_step */
.bg-g.bg-tunnel_step{
	padding-bottom: 50px;
}
.tunnel_step {
	position: relative;
	width: 960px;
	margin: 0 auto;
}

.slide_box {
	height: 610px;
	padding-top: 0;
}
.slide_box ul li {
	display: none;
	position: absolute;
	top: 155px;
	left: 0;
	width: 800px;
	padding-left: 80px;
	padding-right: 80px;
}
.slide_box ul li:after{
	content: "";
	position: absolute;
	top: -48px;
	left: 0;
	box-sizing: border-box;
	width: 20px;
	height: 30px;
	border: 20px solid transparent;
	border-bottom: 30px solid #3e424d;
}
.slide_box ul li#slide_01:after {	left: 95px;}
.slide_box ul li#slide_02:after {	left: 210px;}
.slide_box ul li#slide_03:after {	left: 374px;}
.slide_box ul li#slide_04:after {	left: 538px;}
.slide_box ul li#slide_05:after {	left: 702px;}
.slide_box ul li#slide_06:after {	left: 825px;}
.slide_box ul li img{
	width: 100%;
}

#body #main.tech_body.c_a4csel_body .slide_box .caption {
	position: absolute;
	top: 20px;
	left: 80px;
	height: 32px;
	width: auto;
	margin: 0;
    padding: 0.45em 1em 1em 1em;
    line-height: 1;
	text-align: left;
	color: #363434;
	background: #fff;
	box-sizing: border-box;
	font-size: 18px;
	font-size: 1.125rem;
	font-weight: bold;
}

.slide_ctrl .blasting{
	position: absolute;
	top: -11px;
	left: 245px;
	width: 80px;
	height: auto;
}
.slide_btns {
	position: absolute;
	top: 0;
	left: -32px;
	width: 1044px;
	background: url("/tech/c_a4csel/tunnel/images/bg-tunnel_step_arrow.png") no-repeat 30px 2px / 1004px 110px ;
	display: flex;
	justify-content: center;
    margin-top: 10px;
}
.slide_btns li {
	margin: 0;
	width: 140px;
	height: 114px;
	background: #fff;
	margin-right: 24px;
	box-shadow: 0 0 15px rgba(0,0,0,0.3);
	overflow: hidden;
}
.slide_btns li div.step_area{
	padding: 4px 0 0 2px;
	width: 30px;
	height: 36px;
	font-weight: bold;
	box-sizing: border-box;
	float: left;
}
.slide_btns li div.step_area p.step{
	font-size: 8px;
	font-size: 0.5rem;
	color: #cc0000;
	line-height: 6px;
	text-align: center;
	position: relative;
	top: 1px;
}

.slide_btns li div.step_area p.number{
	font-size: 23px;
	font-size: 1.4375rem;
	color: #cc0000;
	line-height: 1;
	text-align: center;
}
.slide_btns li div.title {
	width: 108px;
	margin-left: 32px;
	font-size: 18px;
	font-size: 1.125rem;
	color: #363434;
	letter-spacing: 0;
	font-weight: bold;
	line-height: 36px;
	position: relative;
	top: 1px;
}
.slide_btns li:nth-of-type(6) div.title{
	letter-spacing: -0.06em;
}
.slide_btns li.current{
	background: #cc0000;
}
.slide_btns li.current div.step_area p.step,
.slide_btns li.current div.step_area p.number{
	color: #fff;
}
.slide_btns li.current div.step_area p.number{
	font-size: 26px;
	font-size: 1.625rem;
}
.slide_btns li.current div.title{
	color: #fff;
}
.slide_btns li a{
	text-decoration: none;
}
/* tunnel_step ここまで */

#main.tech_body h3.step{
	text-align: center;
	font-size: 24px;
	font-size: 1.5rem;
	letter-spacing: 0.02em;
}
#main.tech_body h3.step span.sub,
#main.tech_body h3.step span.number{
	color: #cc0000;
	letter-spacing: 0.05em;
}
#main.tech_body h3.step span.sub{
	font-size: 16px;
	font-size: 1rem;
	vertical-align: 3px;
	margin-right: 4px;
}
#main.tech_body h3.step span.number{
	font-size: 27px;
	font-size: 1.6875rem;
	margin-right: 14px;
}


/* space */
.bg-g.space_intro{
	padding-top: 50px;
	padding-bottom: 20px;
}
#body #main.tech_body.c_a4csel_body .bg-g.space_intro .section.narrow_400 img{
	width: 100%;
	height: auto;
}
.bg-g.space_step{
	padding-bottom: 40px;
	width: 960px;
	margin: 0 auto;
}
#body #main.tech_body.c_a4csel_body .bg-g.space_step .section.col2{
	width: 860px;
}
#body #main.tech_body.c_a4csel_body .bg-g.space_step .section.col2 .col{
	position: relative;
	width: 420px;
}
#main.tech_body .bg-g.space_step h4{
	position: absolute;
	top: 12px;
	left: 0;
	display: inline-block;
	padding: 6px 10px 3px 10px;
	background: #fff;
	font-size: 16px;
	font-size: 1rem;
	color: #363434;
	line-height: 1;
	margin: 0;
}
#body #main.tech_body.c_a4csel_body .bg-g.space_step .section.col2 .col img{
	width: 100%;
	height: auto;
}



/* menu bnav
-----------------------*/
.bg-g.bnav{
	background: #e3e9ec;
	border-top: solid 3px #cc0000;
	padding: 10px 0 10px 0;
	margin-top: 80px;
	margin-bottom: 20px;
}
.a4csel_menu{
	position: relative;
	padding: 10px 0 25px;
	width: 1160px;
	margin: 0 auto;
}
#body #main.tech_body.c_a4csel_body .a4csel_menu h3{
	font-size: 34px;
	font-size: 2.125rem;
	line-height: 1.1;
	margin: 0 0 22px 0;
	padding: 0;
	text-align: center;
	letter-spacing: 0.05em;
}
#body #main.tech_body.c_a4csel_body .a4csel_menu p.link a{
    position: absolute;
    top: 27px;
    right: 0;
    padding: 0;
    background: none;
    line-height: 1;
	letter-spacing: 0;
	color: #363434;
}
#body #main.tech_body.c_a4csel_body .a4csel_menu p.link a:before {
    content: url(/tech/civil_common/images/icon_arrow.svg);
    display: inline-block;
    width: 13px;
    height: 13px;
    margin-right: 6px;
    vertical-align: -0.05em;
}
#body #main.tech_body.c_a4csel_body .a4csel_menu p.link a:hover{
	color: #cc0000;
}

.a4csel_menu .btn_a4csel_menu{
	display: flex;
	justify-content: space-between;
}
.a4csel_menu .btn_a4csel_menu .btn{
	width: 260px;
	height: 200px;
	box-shadow: 0 0 15px rgba(0,0,0,0.3);
}
.a4csel_menu .btn_a4csel_menu .btn a{
	text-decoration: none;
	color: #363434;
}
.a4csel_menu .btn_a4csel_menu .btn a img{
	width: 260px;
	height: 140px;
}
.a4csel_menu .btn_a4csel_menu .btn a .title{
	width: 260px;
	height: 55px;
	font-size: 20px;
	font-size: 1.25rem;
	font-weight: bold;
	background: #fff;
	text-align: center;
	border-top: solid 5px #d2dde1;
	line-height: 55px;
}
.a4csel_menu .btn_a4csel_menu .btn a:hover,
.a4csel_menu .btn_a4csel_menu .btn a:hover img,
.a4csel_menu .btn_a4csel_menu .btn a:hover .title{
	opacity: 0.6;
}

.a4csel_menu .btn_a4csel_menu .btn a.current{
	color: #cc0000;
}
.a4csel_menu .btn_a4csel_menu .btn a.current .title{
	border-top: solid 5px #cc0000;
}

/* fadeUp */
.fadeUp{
	animation-name: fadeUpAnime;
	animation-duration: 1.5s;
	animation-fill-mode: forwards;
	opacity: 0;
}

@keyframes fadeUpAnime{
	from {
	opacity: 0;
	transform: translateY(20px);
	}
	to {
	opacity: 1;
	transform: translateY(0);
	}
}
.fadeUpTrigger{
	opacity: 0;
}

@media print{
	html{
		width: 1160px;
		margin: 0 auto;
	}
	.bg-g.video,
	.bg-g{
		background: none;
		padding: 0;
	}

	.h1_title img{
		padding: 0 50px 0 50px;
		width: 860px;
	}

	#body #main.tech_body.c_a4csel_body .section.narrow_700 img{
		padding: 0 20px 0 20px;
		width: 660px;
	}
	#body #main.tech_body.c_a4csel_body .section.narrow_800 img{
		padding: 0 70px 0 70px;
		width: 660px;
	}
	#body #main.tech_body.c_a4csel_body .section.narrow_960 img{
		padding: 0 150px 0 150px;
		width: 660px;
	}

	div#body #main.tech_body.c_a4csel_body .section.column {
		border: none;
	}

	#body #main.tech_body.c_a4csel_body .section.rel_info {
		background: none;
		border-right: none;
		border-left: none;
		border-bottom: none;
	}

	.engineering div#body .h1_title h1 span.sub01{
		left: -80px;
	}
	.bg-g.bg-tunnel_step {
		height: 150px;
	}
	.bg-g.bg-tunnel_step .slide_box{
		display: none;
	}
	.slide_btns li{
		box-shadow: none;
	}

	.bnav{
		display: none;
	}

	.fadeUpTrigger{
		animation-name: fadeUpAnime;
		animation-duration: 0;
		animation-fill-mode: forwards;
		opacity: 1;
	}
}