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

/*==================
 Foundation
====================*/

/*==================
 Layout
====================*/

.l-fswHeader{
	background: url(/tech/c_frozen_soil_wall/common/images/bg_fsw_head.png) repeat-y 50% 0px;	
}

/*============================
	Object
==============================*/

.p-siteHeader{
	max-width: 400px;
	margin: 0 auto;
	position: relative;
	text-align: center;
}
.p-siteHeader__title{
	font-size: 0.625rem;
	line-height: 1em;
	margin: 0 auto;
	padding-bottom: 37%;
	white-space: nowrap;
	overflow: hidden;
	position: relative;
}
.p-siteHeader__title img{
	position: absolute;
	top:0px; left:0px;
	width: 100%;
	height: auto;
}

@media screen and (-ms-high-contrast: white-on-black) { 
	.p-siteHeader__title{
		background-color: #fff;
	}
}

/*-----------------------
  .p-heroArea
------------------------*/

.p-heroArea{
	width: 100%;
	margin: 0;
	padding: 0;
	position: relative;
	background: #4792be;
}

.p-heroArea__imageBg{
	width: 100%;
	text-align: center;
	background: linear-gradient(to right, #d1d1d1 46%, #4792be 56%);
	background-size: auto 100%;
	
	opacity: 0;
	transition: opacity 0.5s 0s;
}
.p-heroArea__image{
	width: 960px;
	height: 350px;
	margin: 0 auto;
	background: url(/tech/c_frozen_soil_wall/common/images/top-hero-area__image.jpg) no-repeat 50% -10px;
	background-size: 100% auto;
}

.is-appear .p-heroArea__imageBg{
	opacity: 1;
}

/*water*/
.p-heroArea__water{
	position: absolute;
	top:8%; left: 50%;
	margin-left: -480px;
	width: 190px;
	height: auto;
	
	opacity: 1;
	transition: opacity 0.3s 0s;
}
.p-heroArea__waterImg{
	opacity: 0;
	transition: all 0.6s 0.8s;
}
.is-appear .p-heroArea__waterImg{
	opacity: 1;
}

/*feature*/
.p-heroArea__feature{
	position: absolute;
	top:-80px; left: 50%;
	margin-left: -500px;
	opacity: 1;
	transition: opacity 0.3s 0s;
}
.p-heroArea__featureIcon{
	position: absolute;
	top:0px; left: 15px;
	z-index: 3;
	width: 120px; height: 120px;
	background: url(/tech/c_frozen_soil_wall/common/images/top-hero-area__comp-icon.png) no-repeat 50% 50%;
	background-size: 100% auto;
	
	opacity: 0;
	transition: all 0.6s 0.5s;
}
.p-heroArea__featureTitle{
	position: absolute;
	top:0px; left: 94px;
	z-index: 2;
	width: 260px; height: 260px;
	opacity: 0;
	transition: all 0.6s 0.7s;
	box-shadow: 1px 2px 12px -1px rgba(0,0,0,0.7);
  border-radius: 50%;
}

.p-heroArea__featureTitle::before{
	content: '';
	position: absolute;
	top:0px; left: 0px;
	background-color:#fff;
	width: 260px; height: 260px;
	border-radius: 50%;
	opacity: 0;
	z-index: -1;
	transition: all 0.2s;
	box-sizing: border-box;
	border: #fff 1px solid;
}

.p-heroArea__featureTitle:hover::before{
	opacity: 1;
	border: #1464AB 10px solid;
}

.p-heroArea__featureTitle img{
	width: 100%;
	height: auto;
}

.is-appear .p-heroArea__featureIcon,
.is-appear .p-heroArea__featureTitle{
	opacity: 1;
}

.p-featureLink{
	position: absolute;
	top:136px; left: 50%;
	margin-left: -5.75em;
	white-space: nowrap;
	z-index: 4;
	font-size: 0.9375rem;
	font-weight: bold;
}

#body .p-featureLink a,
#body .p-featureLink a:hover{
	color: #004b97;
	text-decoration: none;
}

.p-featureLink__link{
	display: block;
	line-height: 1;
	background: url(/tech/c_frozen_soil_wall/common/images/link_arrow.svg) no-repeat 0.6em 0.8em;
	background-size: 1em auto;
	background-color: rgba(255,255,255,0.3);
	border-radius: 1.5em;
	padding: 0.7em 2.5em;
	margin-bottom: 2px;
	box-shadow: 1px 1px 8px -4px rgba(0,0,0,0.7);
	border: #e6e6e6 1px solid;
}
.p-featureLink__link:hover{
	border-color: #4C89BF;
	/*background-color: rgba(255,255,255,1);*/
}

/*hero-area__site-menu*/

.p-heroArea__siteMenu{
	margin: 0;
	padding: 0;
	line-height: 1;
	position: absolute;
	top:30%;
	left: 65%;
	width: 35%;
	transition: opacity 0.3s 0s;
}
.p-heroArea__siteMenu .c-ctgBtn{
	box-sizing: border-box;
	margin: 0 0 10px 60px;
	background-color: rgba(255,255,255,0.86);
	border-radius: 60px 0 0 60px;
	border:#e0e0e0 2px solid;
	overflow: hidden;
	box-shadow: 0px 1px 6px -2px rgba(0,0,0,0.6);
	opacity: 0;
}
.p-heroArea__siteMenu .c-ctgBtn a{
	display: block;
	padding: 10px 0 10px 20px;
	transition: margin 0.4s;
}
.p-heroArea__siteMenu .c-ctgBtn a:hover{
	background: rgba(255,255,255,0.96);
	margin-left: -8px;
}
.p-heroArea__siteMenu .c-ctgBtn img{
	width: 330px;
	height: auto;
}
.p-heroArea__siteMenu .c-ctgBtn:nth-of-type(1){
	transition: all 0.8s 0.6s;
}
.p-heroArea__siteMenu .c-ctgBtn:nth-of-type(2){
	transition: all 0.8s 1s;
}
.p-heroArea__siteMenu .c-ctgBtn:nth-of-type(3){
	transition: all 0.8s 1.4s;
}
.is-appear .p-heroArea__siteMenu .c-ctgBtn{
	opacity: 1;
	margin-left: 0;
}

/*btnScrollDown{*/
.p-btnScrollDown{
	width: 47px; height: 47px;
	border: #fff 1px solid;
	border-radius: 100%;
	position: absolute;
	bottom:6px; left: 50%;
	margin-left: -24px;
	overflow: hidden;
	transition: all 0.8s 1.5s;
	opacity: 0;
}
.is-appear .p-btnScrollDown{
	opacity: 1;
	bottom: 15px;
}
.p-btnScrollDown a{
	display: block;
	width: 100%; height: 100%;
	overflow: hidden;
	white-space: nowrap;
	text-indent: 100%;
	box-sizing: border-box;
	background: url(/tech/c_frozen_soil_wall/common/images/top-scrolldown-arrow.svg) no-repeat 50% 50%;
	background-size: 12px 14px;
}
.p-btnScrollDown a:hover{
	background-color: rgba(255,255,255,0.1);
}

/*p-update*/
.p-update{
	width: 760px;
	padding: 1rem 0;
	display: flex;
	justify-content: space-between;
}
.p-update__title{
	font-size: 0.875rem;
	flex: 0 0 auto;
	width: 7em;
	position: relative;
}

.p-update__title::before{
	content: "";
	width: 0px; height: 0px;
	position: absolute;
	top:6px;
	left: 100%;
	border-style: solid;
	border-width: 6px 0px 6px 8px;
	border-color: transparent transparent transparent #4792BE;
	margin-left: -25px;
}

.p-update__body{
	font-size: 0.875rem;
	flex: 1 1 auto;
	display: flex;
	justify-content: space-between;
}
.p-update__date{
	flex: 0 0 auto;
	width: 9.5em;
}
.p-update__txt{
	flex: 1 1 auto;
}

/*overview*/
.p-overview{
	width: 760px;
	margin: 0 auto;
	line-height: 1.9;
}

.p-overview .c-heading--large{
	text-align: center;
	line-height: 1.4;
	padding: 1.2em 0 0.5em;
	margin-bottom: 0.5em;
	border-bottom: #0568ab 1px solid;
}

.p-overview__policy{
	font-size: 1.125rem;
}
/*overview outline*/
.p-outline{
	background-color: #f2f2f2;
	border-radius: 6px;
	padding: 15px;
}
.p-outline__title{
	text-align: center;
	font-size: 1.125rem;
	margin-bottom: 0.5rem;
}
.p-outline__body{
	font-size: 0.875rem;
	letter-spacing: 0;
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.p-outline__body dt{
	width: 17%;
	flex: 0 0 auto;
	padding: 0.1em 0;
	border-bottom: #e0e0e0 1px solid;
}
.p-outline__body dd{
	width: 73%;
	flex: 1 0 auto;
	padding: 0.2em 0;
	border-bottom: #e0e0e0 1px solid;
}

/*p-planOverview*/
.p-planOverview{
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	margin-bottom: 2rem;
}
.p-planOverview__main{
	flex: 0 0 auto;
	width: 500px;
}
.p-planOverview__image{
	width: 230px;
	height: 280px;
	background-color: #e6e6e6;
	flex: 0 0 auto;
	margin-top: 2.3rem;
}
.p-planOverview__title{
	font-size: 1.125rem;
	padding-bottom: 0.25rem;
	border-bottom: #ccc 1px solid;
	margin-bottom: 0.5em;
}
.p-planOverview__body{
	font-size: 0.875rem;
	letter-spacing: 0;
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.p-planOverview dt{
	flex: 0 0 auto;
	width: 30%;
	padding: 0.1em 0;
	border-bottom: #e0e0e0 1px solid;
}
.p-planOverview dd{
	flex: 0 0 auto;
	width: 70%;
	padding: 0.1em 0;
	border-bottom: #e0e0e0 1px solid;
}
.p-planOverview__all{
	margin-bottom: 3rem;
	height: 670px;
}

/*p-ancMenuArea*/
.p-ancMenuArea{
	position: relative;
	height: 100px;
}
.p-ancMenu{
	position: absolute;
	z-index: 2;
	top:0px; left: 0px;
	width: 100%;
	min-width: 960px;
	height: 78px;
	background-color: #fff;
	border-top: #336fac 1px solid;
	transition: all 0.3s;
	box-sizing: border-box;
}
.p-ancMenu__list{
	display: flex;
	justify-content: space-between;
	width: 960px;
	margin: 0 auto;
	border-top: #4c89bf 3px solid;
}
.p-ancMenu__list li{
	width: 33.3%;
	text-align: center;
	border-left: #ccc 1px solid;
  margin-top: 7px;
	box-sizing: border-box;
}
.p-ancMenu__list li:last-child{
	border-right: #ccc 1px solid;
}

.p-ancMenu__list li a{
	display: block;
	height: 60px;
	box-sizing: border-box;
	margin: 0 6px;
  border-radius: 4px;
	background: url(/tech/c_frozen_soil_wall/common/images/link_arrow_down_circle.svg) no-repeat 18px 15px;
	background-size: 26px auto;
	position: relative;
}
.p-ancMenu__list li a img{
	height: 100%;
	width: auto;
}

.p-ancMenu__list li a::before {
	content: '';
	position: absolute;
	width: 100%; height: 64px;
	box-sizing: border-box;
	border: #336FAC 1px solid;
	border-radius: 3px;
	top:0px; left: 0px;
	margin: -2px 0;
	background-color: rgba(240,240,240,0.8);
	z-index: -1;
	opacity: 0;
	transition: opacity 0.2s;
}
.p-ancMenu__list li a:hover::before {
	opacity: 0.6;
}

/*p-summary*/
.p-summary{
	background-color: #f2f2f2;
	padding: 10px 0 50px;
	position: relative;
	margin-bottom: 30px;
	box-sizing: border-box;
}
.p-summary::before{
	content: "";
	width: 0px; height: 0px;
	position: absolute;
	top:0px;
	left: 50%;
	border-style: solid;
	border-width: 15px 45px 0px;
	margin-left: -45px;
	border-color: #fff transparent transparent;
}
.p-summary__title{
	text-align: center;
	width: 570px;
	margin: 15px auto 40px;
}
@media screen and (-ms-high-contrast: white-on-black) { 
	.p-summary__title{
		background-color: #fff;
	}
}
.p-summary__body{
	display: flex;
	justify-content: space-between;
}
.p-summaryBody__text{
	width: 375px;
	position: relative;
}
.p-summaryBody__image{
	width: 556px;
}

.p-summaryBody__text .c-btnMore{
	position: absolute;
	bottom:0px;
	left: 0px;
	display: block;
	width: 100%;
	background-color: #fff;
	box-sizing: border-box;
	padding: 0.9em 0 0.9em;
	line-height: 1.1;
	text-align: center;
	border-radius: 4px;
	color: #212121;
	font-size: 1.125rem;
	background: #fff url(/tech/c_frozen_soil_wall/common/images/link_arrow.svg) no-repeat 32% 48%;
	background-size: 20px auto;
	box-shadow: 1px 1px 6px -2px rgba(0,0,0,0.6);
}

/*p-figSlide*/

.p-figSlide{
	position: relative;
	width: 100%;
	padding-bottom: 54%;
}
.p-figSlide li{
	position: absolute;
	width: 100%;
	top: 0px; left: 0px;
	overflow: hidden;
	opacity: 0;
	transition: all 1.5s;
}
.p-figSlide li img{
	width: 100%;
	height: auto;
}
.p-figSlide li.is-now{
	opacity: 1;
}
.p-figSlide__base{
	position: absolute;
	top:0px;
	left: 0px;
	width: 100%;
}
.p-figSlide__slide--right{
	position: absolute;
	right: 0px;
	top:0px;
	width: 50%;
}

/*p-relInfo*/
.p-relInfo{
	margin-bottom: 3rem !important;
}
.p-relInfo div{
	box-sizing: border-box;
}

.p-relInfo__label{
	font-size: 1.0625rem;
	line-height: 1;
	padding: 1rem 0 1rem;
	border-top: #d5d5d5 1px solid;
	color: #505050;
	position: relative;
}
.p-relInfo__label::before{
	content: "";
	position: absolute;
	top:-2px; left: 0px;
	background-color: #d0d0d0;
	width: 3px; height: 3px;
	border-radius: 50%;
}
.p-relInfo__label::after{
	content: "";
	position: absolute;
	top:-2px; right: 0px;
	background-color: #d0d0d0;
	width: 3px; height: 3px;
	border-radius: 50%;
	display: block;
}

/*p-iconBn*/
.p-iconBn{
	display: flex;
	justify-content: space-between;
	padding: 10px;
	cursor: pointer;
	position: relative;
	box-shadow: 1px 1px 6px -2px rgba(0,0,0,0.4);
	margin: 0.6em 0;
}
.p-iconBn::before{
	content: "";
	position: absolute;
	top:0px; left:0px;
	width: 100%; height: 100%;
	border: #e6e6e6 1px solid;
	transition: all 0.2s;
	box-sizing: border-box;
}
.p-iconBn:hover::before{
	border-width: 4px;
}
.p-iconBn__icon{
	width: 150px;
	height: 100px;
	overflow: hidden;
	flex: 0 0 auto;
}
.p-iconBn__txt{
	width: auto;
	flex: 1 1 auto;
	margin-left: 15px;
}
.p-relInfo__title{
	font-size: 0.9375rem;
	line-height: 1.6;
	min-height: 5.8em;
}
.p-relInfo__title a{
	color: #212121;
}
#body .hover .p-relInfo__title a{
	text-decoration: underline;
}
.p-relInfo__media{
	font-size: 0.6875rem;
	line-height: 1.1;
	color: #E6002D;
}

/*----------------
component
------------------*/

.c-link{
	background: url(/tech/c_frozen_soil_wall/common/images/link_arrow.svg) no-repeat 0px 0.4em;
	padding-left: 1.5em;
	background-size: 1em auto;
}
.c-link a{
	color: #004b97;
}
.c-link a.u-gray{
	color: #212121;
}

/*heading*/
.c-heading--large,
.c-heading--medium{
	font-family: "游明朝" , "Yu Mincho" , "游明朝体" , "YuMincho" , "ヒラギノ明朝 Pro W3" , "Hiragino Mincho Pro" , "HiraMinProN-W3" , "ＭＳ Ｐ明朝" , "MS PMincho" , serif;
	font-weight: 600;
	font-feature-settings : "palt" 1;
	letter-spacing: 0.05em;
	color:#000;
}
.c-heading--large{
	font-size: 1.8rem;
}
.c-heading--medium{
	font-size: 1.5rem;
}
.c-fig--border{
	border: #ddd 1px solid;
	box-sizing: border-box;
}

/*c-btnMore*/
.c-btnMore{
	position: relative;
	box-sizing: border-box;
}
.c-btnMore::before{
	content:"";
	box-sizing: border-box;
	border: #e6e6e6 1px solid;
	position: absolute;
	top:0px; left: 0px;
	width: 100%; height: 100%;
	border-radius:4px;
	opacity: 0;
	transition: all 0.2s;
}
.c-btnMore:hover::before{
	opacity: 1;
	border-width: 4px;
}

/*utility*/
.is-fixed{
	position:fixed;
	box-shadow: 0px 1px 6px rgba(0,0,0,0.4);
}

.is-hidden{
	opacity: 0;
}