@charset "utf-8";

.top_view1{
	width:100%;
	height: 100vh;
    padding-top: 12vh;
}
.top_view1 h1 {
    margin: 0 0 5vh 0;
    line-height: 115%;
}
.top_view1 h1 span{
	display: block;
}
.top_view1 h1 span:first-child{
	margin-left: -31px;
}
.top_view1 p{
	margin: 0 60px;
}
.top_menus section{
	display: block;
	width: 875px;
	height: 300px;
	position: relative;
	transition-duration: 0.5s;
}
/*.top_menus section:hover{
	height:100vh;
}*/
.top_menus section article{
	position: absolute;
	left:0;
	top:0;
	z-index: 2;
}
.top_menus section figure{
	position: absolute;
	right:0;
	top:0;
	z-index: 1;
	transition-duration: 0.5s;
	width:426px;
	height:240px;
}
.top_menus_fixed section{
	width:100vw;
	height:100vh;
	background:rgba(255,255,255,1);
	position:fixed;
	top:0;
	left:0;
	z-index: 20;
	display:table;
}
.top_menus_fixed section .textarea{
	display: table-cell;
    vertical-align: middle;
}
.top_menus_fixed section .textarea-clone{
	display: table-cell;
    vertical-align: middle;
}
.top_menus_fixed section figure{
	display: table-cell;
    width: 50vw;
    height: 100vh;
}

/*.top_menus section figure img{
	filter: gray;
	-webkit-filter: grayscale(100%);
	-moz-filter: grayscale(100%);
	-ms-filter: grayscale(100%);
	-o-filter: grayscale(100%);
	filter: grayscale(100%);
	transition-duration: 0.5s;
	opacity: 0.5;
}
.top_menus section.active figure img{
	filter: none;
	-webkit-filter: grayscale(0);
	-moz-filter: grayscale(0);
	-ms-filter: grayscale(0);
	-o-filter: grayscale(0);
	filter: grayscale(0);
	transition-duration: 0.5s;
	opacity: 1;
}*/

.top_menus section figure img{
/*	filter: gray;
	-webkit-filter: grayscale(100%);
	-moz-filter: grayscale(100%);
	-ms-filter: grayscale(100%);
	-o-filter: grayscale(100%);
	filter: grayscale(100%);*/
	transition-duration: 0.5s;
	opacity: 0;
}
.top_menus section.active figure img{
/*	filter: none;
	-webkit-filter: grayscale(0);
	-moz-filter: grayscale(0);
	-ms-filter: grayscale(0);
	-o-filter: grayscale(0);
	filter: grayscale(0);*/
	transition-duration: 0.5s;
	opacity: 1;
}
.top_menus section figure.top_newwork{
	background:url(../img/top/top_newwork_white.jpg) top center no-repeat;
	background-size: contain;
}
.top_menus section figure.top_support{
	background:url(../img/top/top_support_white.jpg) top center no-repeat;
	background-size: contain;
}
.top_menus section figure.top_benefits{
	background:url(../img/top/top_benefits_white.jpg) top center no-repeat;
	background-size: contain;
}
.top_menus section figure.top_events{
	background:url(../img/top/top_events_white.jpg) top center no-repeat;
	background-size: contain;
}
.top_menus section figure.top_certificates{
	background:url(../img/top/top_certificates_white.jpg) top center no-repeat;
	background-size: contain;
}
.top_menus section figure.top_register{
	background:url(../img/top/top_register_white.jpg) top center no-repeat;
	background-size: contain;
}

.top_menus section h4{
	padding:10px 0 10px 64px;
	margin-bottom: 16px;
/*	color: #ffffff;*/
	overflow:hidden;
	color: #595959;
}
.top_menus section.active .textarea h4{
	color: #ffffff;
}
.top_menus section .textarea-clone h4{
	padding:10px 0 10px 64px;
	margin-bottom: 16px;
	color: #595959;
	overflow:hidden;
/*	color: #595959;*/
}
.icon_global{
	background:url(../img/icon/global.png) left center no-repeat;
}
.icon_cube{
	background:url(../img/icon/cube.png) left center no-repeat;
}
.icon_graph{
	background:url(../img/icon/graph.png) left center no-repeat;
}
.icon_chair{
	background:url(../img/icon/chair.png) left center no-repeat;
}
.icon_board01{
	background:url(../img/icon/board01.png) left center no-repeat;
}
.icon_board02{
	background:url(../img/icon/board02.png) left center no-repeat;
}
.top_menus section p{
	margin:0 0 12px 64px;
	position:relative;
	color:#595959;
}
.top_menus section.active .textarea p{
	color:#ffffff;
}
.top_menus section .textarea-clone p{
	margin:0 0 12px 64px;
	position:relative;
	color:#595959;
}
.top_menus section .textarea-clone{
	overflow: hidden;
    width: 450px;
}
.top_menus section .textarea-clone h4, .top_menus section .textarea-clone p{
	width:800px;
}
.common_news {
    width: 840px;
    margin: auto;
    padding-right: 25px;
}
.common_news h4{
	margin-bottom: 4vh;
}
.common_news ul li{
	display: inline-block;
	width:48%;
	float:left;
	text-align: left;
	margin-bottom: 36px;
}
.common_news ul li:nth-child(2n){
	float:right;
}
.common_news ul li:nth-child(2n+1){
	clear:both;
}
.common_news ul li figure {
    height: 200px;
    overflow: hidden;
    background: #ffffff;
}
.common_news ul li figure img{
	width:100%;
	height:auto;
}

.common_news ul li p{
	margin:10px auto;
	line-height: 160%;
}
.common_news ul li p .date{
	display: block;
}
.common_news p{
	clear: both;
}
.top_last{
	width:100%;
	height:100vh;
}
.top_last h2 {
    padding: 32vh 0 24vh;
    line-height: 120%;
    opacity: 0;
}
.top_last h2 span{
	display: block;
}
.top_last h2 span:last-child{
	padding-left: 12px;
}
.top_last .footer_social {
    display: block;
    padding-left: 60px;
    position: absolute;
    bottom: 24px;
}
.top_last .footer_social span{
	display: block;
}
.top_last .footer_social span a{
	display: inline-block;
    min-width: 22px;
    margin-bottom: 4px;
}
.top_last .footer_social span a:last-child{
	margin-left: 20px;
}
.top_last .footer_social .footer_copy {
    display: block;
    font-size: 12px;
    line-height: 140%;
    margin:0 auto;
}

/*#top_bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition-duration: 0.5s;
    background: url(../bg/okuma.svg) center bottom no-repeat;
    background-size: 2000px;
    background-position: 20vw 20vh;
    z-index: -1;
}*/

/* 181030変更前 */
/*#top_bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition-duration: 0.5s;
    background: url(../bg/okuma.svg) center bottom no-repeat;
    background-size: 2400px;
    background-position: 240px 200px;
    z-index: -1;
    backface-visibility: hidden;
	transform: translateZ(0);
}*/

#top_bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
#top_bg i {
    display: block;
    transform: scale(1);
    transform-origin: 100px bottom;
/*    transition-duration: 0.5s;*/
    transition-duration: 0s;
    padding-top: 200px;
    padding-left: 240px;
    transform-origin: 380px bottom;
}
#top_bg i img{
	width:2400px;
	height:auto;
}

#top_bg.topmenu_hover{
	opacity:0;
}
/*h1.hidden_title{
    position: fixed;
    top: 30vh;
    left: -50vw;
    width:500px;
    line-height: 72px;
    z-index: -2;
    transition-duration:0.5s;
}*/

h1.hidden_title {
    position: fixed;
    top: 30vh;
    left: -50vw;
    width: 100%;
    max-width: 500px;
    margin-left: -430px;
    line-height: 72px;
    z-index: -2;
/*    transition-duration: 0.5s;*/
}

/*移動後*/
/*h1.hidden_title {
    position: fixed;
    top: 30vh;
    left: 17vw;
    line-height: 72px;
    width: 500px;
    z-index: -2;
}*/
h1.hidden_title span{
	display: block;
}
h1.hidden_title span:last-child{
	padding-left: 12px;
}



/* スマホ版 */

@media screen and (max-width: 640px) {

	/* 181030 変更前 */
/*	#top_bg {
		background-size: 2000px;
	    background-position: 240px 680px;
    	transform: scale(1, 1);
    	transform-origin: 75% bottom 0px;
	}*/

	#top_bg i {
	    padding-top: 60vh;
	    transform-origin: 526px bottom;
	}
	#top_bg i img {
    	width: 2000px;
    	height: auto;
	}

	.top_view1 {
	    width: 80%;
	    margin:auto;
	}
	.top_view1 h1 span:first-child {
    	margin-left: -24px;
	}
	.top_view1 p {
    	margin: 0;
	}
	.top_menus{
		width: 88%;
	    margin: auto;
	}
	.top_menus section {
	    height: auto;
	    margin-bottom: 10vh;
	    width: 100%;
	    margin-bottom: 140px;
	}
	.top_menus section h4 {
	    margin-bottom: 2px;
	}
	.top_menus section article {
    	position: static;
	}
	.top_menus section .textarea-clone {
	    display: none;
	}
	.top_menus section.active .textarea h4 {
    	color: #595959;
	}
	.top_menus section.active .textarea p {
    	color: #595959;
    	line-height: 1.7;
	}
	.top_menus section figure {
    	position: static;
    	width: 100%;
    	margin: 32px auto;
    	height: auto;
	}
	.top_menus section figure img{
    	width: 100%;
    	height:auto;
	}
	.common_news {
    	width: 88%;
    	margin: auto;
	}
	.common_news h4 {
    	margin-bottom: 2vh;
	}
	.common_news ul li img{
	    width: 100%;
	    height:auto;
	}
	.common_news ul li {
		width: 100%;
    	float: none;
	    margin-bottom: 64px;
	}
	.common_news ul li:nth-child(2n) {
	    float: none;
	}
	.common_news ul li figure {
    	height: 300px;
    	overflow: hidden;
    	background: #ffffff;
	}
	div#cont.top_last {
    	width: 84%;
    	height: 100vh;
    	margin:auto;
	}
	.top_last .footer_social .footer_copy {
    	font-size: 14px;
	}
	h1.hidden_title {
    	position: fixed;
    	top: 32vh;
    	left: -50vw;
    	width: 500px;
    	line-height: 64px;
    	z-index: -2;
	}

}