@charset "utf-8";

.start {
	background: #000;
	position: fixed;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	z-index: 99999;
}

.c_wrapper {
    width: 100%;
    margin: 0 auto;
}

.fixed_btn {
    position: fixed;
    top: 10%;
    right: 0;
    z-index: 10000;
}

/* ### intro ### */
.s_intro_area{
	width: 100%;
	height:100vh;
	position: relative;
}
.s_intro{
	position: fixed;
	top: 0;
	left: 0;
	min-width: 100%;
	min-height: 100%;
	width: auto;
	height: auto;
	z-index: 1;
}

.intro_img_01{
	z-index: -2;
	background-image: url("../../images/b_museum/01/ttl.jpg") ;
	background-position: top 0 right 0;
	background-repeat: no-repeat;
	height: 100vh;
	background-size: auto 105%;
	background-color: #020609;
}
.intro_img_02{
	z-index: -2;
	background-image: url("../../images/b_museum/02/ttl.jpg") ;
	background-position: top center;
	background-repeat: no-repeat;
	background-size: cover;
	height: 100vh;
	background-color: #020609;
}
.intro_img_03{
	z-index: -2;
	background-image: url("../../images/b_museum/03/ttl.jpg") ;
	background-position: top 0 right 0;
	background-repeat: no-repeat;
	background-size: cover;
	height: 100vh;
	background-color: #020609;
}
.intro_img_04{
	z-index: -2;
	background-image: url("../../images/b_museum/04/ttl.jpg") ;
	background-position: top center;
	background-repeat: no-repeat;
	background-size: cover;
	height: 100vh;
	background-color: #020609;
}
.s_catch{
	position: absolute;
	top: 45%;
	left: 15%;
	display: block;
}
.s_catch img{max-width: 30vw;}
.s_catch2{
	position: absolute;
	top: 45%;
	left: 15%;
	display: block;
}
.s_catch2 img{max-width: 35vw;}
.s_side_l{margin: 60px 0 0 20px;}
.s_side_r{
	position: absolute;
	bottom: 0;
	right: 0;
	margin: 0 20px 45px 0;
}
/* ------------------------------------------------ */


/* ### ナビ ### */
.s_navi_area{
	position: relative;
	width: 100%;
	z-index: 99;
	padding-bottom: 100px;
	color: #ffff;
	letter-spacing: 0.3em;
}
.s_navi{
	width: 1000px;
	max-width: 86%;
	margin: 0px auto;
}
.s_navi_area{
	padding: 50px 0 55px;
}
.s_navi_title{
	color: #fff;
	font-size: 32px;
	font-weight: bold;
	text-align: center;
}
.s_navi_title span{
	color: #fff;
	font-size: 22px;
	font-weight: bold;
	text-align: center;
}
.s_navi_title img{
	width: 440px;
	max-width: 100%;
}
.s_navi_link{
	margin-top: 50px;
	display:-webkit-box;
  	display:-ms-flexbox;
  	display:flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
.s_navi_link li{
	width: 33%;
	border-left: 1px solid #fff;
}
.s_navi_link li:first-child{border: 0;}
.s_navi_link li a{color: #fff;display: block;}
.s_navi_link li a:hover{opacity: 0.6;-moz-opacity: 0.6;filter: alpha(opacity=6);transition: .6s;}
.s_navi_date{margin-left: 60px;font-weight: bold;font-size: 21px;}
.s_navi_txt{margin-left: 60px;font-size: 12px;letter-spacing: 0.1em;}


/* ### スクロール ### */
.s_scroll{
	position: absolute;
	bottom: 25px;
	left: 0;
	width: 100%;
	text-align: center;
	z-index: 9;
}
a .s_scroll_img{
	width: 33px;
	height: 17px;
	margin: 0 auto 5px;
	background: url(../../images/b_museum/arrow_scroll.png) no-repeat center center;
	-moz-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-ms-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-o-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-webkit-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
}
a:hover .s_scroll_img{
	/*background: url(../../images/b_museum/arrow_scroll_ov.png) no-repeat center center;*/
	filter: alpha(opacity=60);
	-moz-opacity:0.6;
	opacity:0.6;
}
.s_scroll a{
	color: #fff;
	-moz-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-ms-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-o-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	-webkit-transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
	transition: color 300ms ease-in-out 0s, all 300ms ease-in-out 0s;
}
.s_scroll a:hover{color: rgba( 255, 255, 255, 0.6 );}

.s_scroll_txt{letter-spacing: 3px;}



/* ### 概要 ### */
.s_section {
	background-color: #fff;
	overflow: hidden;
	position: relative;
	width: 100%;
	z-index: 98;
}
.s_description{padding: 85px 0;}
.s_description h3{
	font-size: 30px;
	text-align: center;
	font-weight: bold;
	line-height: 1.8em;
}
.s_description p{
	width: 700px;
	max-width: 80%;
	margin: 40px auto 0;
	line-height: 2em;
	font-size:17px;
}
.s_description .txt_block{
	width: 1000px;
	max-width: 80%;
	margin: 40px auto 0;
	line-height: 2em;
	font-size:17px;
}
.s_description .txt_item_l{
	width: 480px;
	max-width: 48%;
	float: left;
}
.s_description .txt_item_r{
	width: 480px;
	max-width: 48%;
	float: right;
}



/* ### スライドスクロール ### */
.s_scroll_slide01{
	width: 100%;
	max-width: 100%;
	height: 400px;
	margin: 0 auto;
	background: url("../../images/b_museum/01/slide.jpg");
	background-position: center;
	-webkit-background-size: 2000px 400px;
	background-size: 2000px 400px;
	-webkit-animation: bgscroll 40s linear infinite;
	animation: bgscroll 40s linear infinite;
}
@-webkit-keyframes bgscroll {
	0% {background-position: 2000px 0;}
	100% {background-position: 0 0;}
}
@keyframes bgscroll {
	0% {background-position: 2000px 0;}
	100% {background-position: 0 0;}
}
.s_scroll_slide02{
	width: 100%;
	max-width: 100%;
	height: 400px;
	margin: 0 auto;
	background: url("../../images/b_museum/02/slide.jpg");
	background-position: center;
	-webkit-background-size: 2000px 400px;
	background-size: 2000px 400px;
	-webkit-animation: bgscroll 40s linear infinite;
	animation: bgscroll 40s linear infinite;
}
.s_scroll_slide03{
	width: 100%;
	max-width: 100%;
	height: 400px;
	margin: 0 auto;
	background: url("../../images/b_museum/03/slide.jpg");
	background-position: center;
	-webkit-background-size: 2000px 400px;
	background-size: 2000px 400px;
	-webkit-animation: bgscroll 40s linear infinite;
	animation: bgscroll 40s linear infinite;
}
.s_scroll_slide04{
	width: 100%;
	max-width: 100%;
	height: 400px;
	margin: 0 auto;
	background: url("../../images/b_museum/04/slide.jpg");
	background-position: center;
	-webkit-background-size: 2000px 400px;
	background-size: 2000px 400px;
	-webkit-animation: bgscroll 40s linear infinite;
	animation: bgscroll 40s linear infinite;
}
.s_scroll_slide05{
	width: 100%;
	max-width: 100%;
	height: 400px;
	margin: 0 auto;
	background: url("../../images/b_museum/05/slide.jpg");
	background-position: center;
	-webkit-background-size: 2000px 400px;
	background-size: 2000px 400px;
	-webkit-animation: bgscroll 40s linear infinite;
	animation: bgscroll 40s linear infinite;
}
/* ------------------------------------------------ */




/* ### コンテンツ ### */
.s_works_area{padding: 50px 0 85px;position: relative;}
.gallery_area{position: relative;}
.side_works{
	position: absolute;
	top: 15%;
	left: 18px;
	bottom: 0;
	margin: auto;
	-webkit-transform: translate(0, -15%);
	transform: translate(0, -15%);
}
.side_works2{
	position: absolute;
	top: 0%;
	left: 18px;
	bottom: 0;
	margin: auto;
	-webkit-transform: translate(0, -0%);
	transform: translate(0, -0%);
}
.side_works3{
	position: absolute;
	top: 48%;
	right: 18px;
	bottom: 0;
	margin: auto;
	-webkit-transform: translate(0, -48%);
	transform: translate(0, -48%);
}
.side_works4{
	position: absolute;
	top: 58%;
	right: 18px;
	bottom: 0;
	margin: auto;
	-webkit-transform: translate(0, -58%);
	transform: translate(0, -58%);
}
.side_works img,.side_works2 img,.side_works3 img,.side_works4 img{
	max-width: 6vw;
}
.concept{
	width: 1000px;
	max-width: 90%;
	margin: 0 auto 60px;
}
.concept_summary{margin-bottom: 55px;}
.concept_summary img{
	width: 300px;
	float: left;
	margin-right: 50px;
	margin-bottom: 55px;
	margin-top: 5px;
}
.concept h4{
	font-size: 18px;
	line-height: 1.8em;
	font-weight: bold;
	margin-bottom: 10px;
}
.concept p{font-size: 16px;line-height: 1.8em;}
ul.concept_detail{
	clear: both;
	display:-webkit-box;
  	display:-ms-flexbox;
  	display:flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
.concept_detail li{width: 480px;max-width: 48%;}
.concept_detail li img{max-width: 100%;margin-bottom: 10px;}
.concept_detail li .concept_unit{width: 150px;}



/* ### ギャラリータイトル ### */
.gallery_ttl{
	width: 1000px;
	max-width: 80%;
	margin: 0 auto 20px;
}
.gallery_ttl h3{
	font-size: 22px;
	font-weight: bold;
}


/* ### 他ページギャラリーへのリンク ### */
.gallery_link_ttl{
	width: 1000px;
	max-width: 80%;
	margin: 0 auto 20px;
}
.gallery_link_ttl h3{
	font-size: 22px;
	font-weight: bold;
}
.gallery_link{
	width: 1000px;
	max-width: 80%;
}
.gallery_link a{
	display: inline-block;
}
.gallery_link a:hover{
	opacity: 0.84;-moz-opacity: 0.84;filter: alpha(opacity=84);transition: .6s;
}
.gallery_link a img{
	width: 100%;
}
.gallery_link_mb80{margin: 20px auto 80px;}
.gallery_link_mb50{margin: 20px auto 50px;}
.gallery_link_mb0{margin: 20px auto 0px;}



/* ### アコーディオン ### */
.results_area{
	padding: 65px 0 100px;
}
.s_results{
	width: 1000px;
	max-width: 90%;
	margin: 0 auto;
}
.s_results_title{
	color: #fff;
	text-align: center;
	font-size: 22px;
	letter-spacing: 0.3em;
	margin-bottom: 40px;
}
.results_box_l{
	width: 480px;
	margin-right: 40px;
	float: left;
}
.results_box_r{
	width: 480px;
	float: right;
}
.cp_actab {
	position: relative;
	overflow: hidden;
	width: 100%;
	margin: 0 auto;
	color: #ffffff;
}
.cp_actab input {
	position: absolute;
	z-index: -1;
	opacity: 0;
	border: 0;
}
.cp_actab label {
	font-size: 14px;
	line-height: 4;
	position: relative;
	display: block;
	padding: 0 0 0 20px;
	cursor: pointer;
	margin: 0 0 1px 0;
	border-bottom: 1px solid #fff;
}
.cp_actab label span{
	font-size: 12px;
	letter-spacing: 0.1em;
	display: inline-table;
	width: 200px;
}
.cp_actab .cp_actab-content {
	overflow: hidden;
	max-height: 0;
	-webkit-transition: max-height 1.5s;
	transition: max-height 1.5s;
	width: 420px;
	margin: 0 auto;
}
.results_content{
	width: 420px;
	margin: 20px auto 30px;
}
.results_img img{
	width: 420px;
	display: block;
	margin-bottom: 15px;
}
.cp_actab .cp_actab-content table{
	font-size: 12px;
	width: 100%;
}
.cp_actab .cp_actab-content table th{
	width: 20%;
}
.cp_actab .cp_actab-content table td{
	width: 80%;
}
/* :checked */
.cp_actab input:checked ~ .cp_actab-content {
	max-height: 500px;
	border-bottom: 1px solid #fff;
	width: 100%;
}
/* Icon */
.cp_actab label::after {
	line-height: 4;
	position: absolute;
	top: 0;
	right: 0;
	display: block;
	width: 3em;
	height: 3em;
	-webkit-transition: all 1.5s;
	transition: all 1.5s;
	text-align: center;
}
.cp_actab input[type=checkbox] + label::after {
	content: '+';
}
.cp_actab input[type=checkbox]:checked + label::after {
	content: '-';
}




/* ### リンク ### */
.link_area{
	width: 100%;
	background-color: #005b94;
}
.link_btn{
	width:calc(100% - 40px);
	margin: 0 auto;
}
.link_btn li{
	float: left; 
	width: 25%;
}
.link_btn li a{
	display: block;
  position: relative;
}
.link_btn li a img{
	width: 100%;
	vertical-align: middle;
	z-index: -1;
	position: relative;
	border: 0;
}
.link_btn li a .active {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  transition: 0.5s;
}
.link_btn li a:hover .active {
  opacity: 1;
}



/* ### フッター ### */
.c_footer {
    position: relative;
    z-index: 9990;
    background-color: #fff;
    padding: 0;
    width: 100%;
    bottom: 0;
}
.c_footer_area {
    width: 100%;
    margin: 0 auto;
    text-align: center;
	position: relative;
	min-height: 185px;
    padding-bottom: 20px;
	display:-webkit-box;
    display:-moz-box;
    display:-ms-flexbox;
    display:-webkit-flex;
    display:-moz-flex;
    display:flex;
    -webkit-box-lines:multiple;
    -moz-box-lines:multiple;
    -webkit-flex-wrap:wrap;
    -moz-flex-wrap:wrap;
    -ms-flex-wrap:wrap;
    flex-wrap:wrap;
}
.foot_box_l{
	float: left;
	width: 33%;
	position: relative;
}
.foot_box_c{
	float: left;
	width: 33%;
}
.foot_box_r{
	float: right;
	color: #fff;
	height: 100%;
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: auto;
}
.foot_bg_b{background-color: #005bab;}
.foot_bg_d{background-color: #190a03;}
.foot_bg_db{background-color: #002b75;}
.foot_bg_o{background-color: #ff7811;}
.foot_bg_b:hover,.foot_bg_d:hover,.foot_bg_db:hover,.foot_bg_o:hover{opacity: 0.84;-moz-opacity: 0.84;filter: alpha(opacity=84);transition: .6s;}
.c_footer_mail{
	width: 200px;
	font-size: 14px;
	color: #fff;
	display: block;
	height: 100%;
	padding-right: 20px;
}
.c_footer_mail img{
	max-width: 40px;
	margin: 45px  auto 30px;
}
.c_footer_logo {
    display: inline-block;
    width: 75px;
    padding-top: 35px;
    margin: 0 auto;
    vertical-align: top;
	text-align: center;
}
.c_footer_logo a{
	display: block;
}
.c_footer_company {
    margin-bottom: 10px;
}
.c_footer_txt {
    text-align: left;
	font-size: 12px;
	margin: 0 0 0 60px;
	position: absolute;
	top: 50%;
	left: 0%;
	transform: translateY(-50%) translateX(0%);
	-webkit- transform: translateY(-50%) translateX(0%);
}
.c_footer_copyright {
    margin: 20px auto;
    text-align: center;
	font-size: 12px;
	color: #666666;
}
















/* ### スマートフォン ### */
/* -------------------------------------------------------------------------------- */

@media (max-width: 1200px) {
	.side_works,.side_works2,.side_works3,.side_works4{display: none;}
	/* ### アコーディオン ### */
	.results_box_l{
		float: none;
		width: 760px;
		max-width: 100%;
		margin: 0 auto;
	}
	.results_box_r{
		float: none;
		width: 760px;
		max-width: 100%;
		margin: 0 auto;
	}
	h3.description_font_size{
		font-size: 22px !important;
	}
}

@media (max-width: 768px) {

	html{
		overflow-x: hidden !important;
		margin-right: 0 !important;
	}	

	
	/* ### intro ### */
	.intro_img_01{
		background-size: cover;
		background-position: top 0 right 30%;
	}
	.intro_img_02{
		background-image: url("../../images/b_museum/02/ttl_sp.jpg") ;
		background-position: center center;
	}
	.intro_img_03{
		background-image: url("../../images/b_museum/03/ttl_sp.jpg") ;
		background-position: top 0 right 30%;
	}
	.intro_img_04{
		background-image: url("../../images/b_museum/04/ttl_sp.jpg") ;
		background-position: center center;
	}
	.s_scroll{
		display: none;
	}
	a .s_scroll_img{
		width: 24px;
		height: 12px;
		margin: 0 auto 15px;
		background-size: 24px 12px;
	}
	a:hover .s_scroll_img{
		background-size: 24px 12px;
	}
	.s_scroll_txt{
		font-size: 0.9em;
	}
	.s_side_l{
		margin: 30px 0 0 10px;
	}
	.s_side_l img{
		max-height: 30vh;
	}
	.s_side_r{margin: 20px 10px;}
	.s_side_r img{
		max-height: 40vh;
	}
	.s_catch{
		position: absolute;
		top:auto;
		bottom: 20px;
		left:10%;
		right:0;
		margin: auto;
		text-align: left;
	}
	.s_catch img{max-width: 90%;margin: 0 auto;}
	.s_catch2{
		position: absolute;
		top:auto;
		bottom: 20px;
		left:7%;
		right:0;
		margin: auto;
		text-align: left;
	}
	.s_catch2 img{max-width: 80%;margin: 0 auto;}
	

	/* ### ナビ ### */
	.s_navi_area{letter-spacing: 0.1em;padding: 35px 0 35px;}
	.s_navi_title{font-size: 26px;}
	.s_navi_title span{font-size: 19px;}
	.s_navi_link{margin-top: 35px;}
	.s_navi_link li a{text-align: center;}
	.s_navi_date{margin:0 auto;font-size: 14px;letter-spacing: 0.2em;}
	.s_navi_txt{margin:0 auto;font-size: 10px;}


	/* ### 概要 ### */
	.s_description{padding: 30px 0;}
	.s_description h3{font-size: 20px;line-height: 1.6em;}
	.s_description p{margin: 20px auto 0;font-size:12px;}
	.s_description .txt_block{margin: 20px auto 0;font-size:12px;}
	.s_description .txt_item_l{float: none;margin: 0 auto;max-width: 100%;}
	.s_description .txt_item_r{float: none;margin: 0 auto;max-width: 100%;}
	.s_section {padding-bottom: 30px;}
	h3.description_font_size{font-size: 18px !important;}
	

	/* ### スライドスクロール ### */
	.s_scroll_slide01,.s_scroll_slide02,.s_scroll_slide03,.s_scroll_slide04{
		height: 200px;
		-webkit-background-size: 1000px 200px;
		background-size: 1000px 200px;
		-webkit-animation: bgscroll 40s linear infinite;
		animation: bgscroll 40s linear infinite;
	}
	@-webkit-keyframes bgscroll {
		0% {background-position: 1000px 0;}
		100% {background-position: 0 0;}
	}
	@keyframes bgscroll {
		0% {background-position: 1000px 0;}
		100% {background-position: 0 0;}
	}
	
	
	/* ### コンテンツ ### */
	.s_works_area{padding: 30px 0;}
	.concept{margin: 0 auto 40px;}
	.concept_summary{
		margin-bottom: 25px;
	}
	.concept_summary img{
		width: 500px;
		max-width: 90%;
		float: none;
		margin: 0 auto 20px;
		display: block;
	}
	.box_r{
		width: 500px;
		max-width: 90%;
		margin: 0 auto;
	}
	.concept h4{
		font-size: 16px;
		line-height: 1.6em;
	}
	.concept p{
		font-size: 12px;
		line-height: 2em;
	}
	ul.concept_detail{
		display: block;
	}
	.concept_detail li{
		width: 500px;
		max-width: 90%;
		margin: 0 auto 25px;
	}
	.concept_detail li img{max-width: 100%;margin-bottom: 10px;}
	.concept_detail li .concept_unit{
		width: 150px;
	}
	.side_works_sp{
		text-align: right;
		padding: 0 5px;
		margin-bottom: 15px;
	}
	.side_works_sp2{
		text-align: left;
		padding: 0 5px;
		margin-bottom: 15px;
	}
	
	
	/* ### ギャラリータイトル ### */
	.gallery_ttl h3{
		font-size: 18px;
		text-align: right;
	}
	
	
	/* ### 他ページギャラリーへのリンク ### */
	.gallery_link_ttl h3{
		font-size: 18px;
		text-align: left;
	}
	.gallery_link_mb80{
		margin: 20px auto 50px;
	}
	.gallery_link_mb50{
		margin: 20px auto 40px;
	}
	.gallery_link img{width: 100%;}

	
	/* ### アコーディオン ### */
	.results_content{
		width: 90%;
		margin: 20px auto 30px;
	}
	.results_img img{
		width: 760px;
		max-width: 100%;
	}
	.cp_actab .cp_actab-content{
		width: 100%;
	}
	.cp_actab .cp_actab-content table th,.cp_actab .cp_actab-content table td{
		width: 100%;
		display: block;
		margin: 3px;
	}
	.cp_actab label span{
		width: 50%;
		margin-right: 3%;
	}

	
	/* ### リンク ### */
	.link_btn{
		width:calc(100% - 20px);
	}
	.link_btn li{
		width: 50%;
	}
	.link_btn li a img{
		vertical-align: middle;
	}
	
	
    /* ### フッター ### */
    .c_footer {
        padding: 0;
    }
    .c_footer_area {
        width: 100%;
		padding-bottom: 10px;
    }
	.foot_box_l{
		float: none;
		width: 100%;
		margin: 0 auto;
		position: relative;
	}
	.foot_box_r{
		float: none;
		width: 100%;
		margin: 0 auto;
		position: relative;
	}
	.foot_box_c{
		float: none;
		width: 100%;
		text-align: center;
	}
    .c_footer_logo {
        float: none;
        display: block;
        width: 90px;
        height: auto;
        padding-top: 25px;
        margin: 0 auto;
    }
	.c_footer_copyright{
		margin: 10px auto 20px;
	}
    .c_footer_txt {
        display: block;
        margin: 0 auto;
        font-size:10px;
        text-align: center;
		position: relative;
    }
	.c_footer_mail{
		width: 100%;
		padding: 0;
	}
	.c_footer_mail img{
		float: left;
		margin: 5px 20px 0 0;
	}
	.c_footer_mail p{
		float: left;
		font-size: 14px;
	}
	.mail_sp{
		display: inline-block;
		margin:30px auto;
	}

	
	

} /*  @media (max-width: 768px)  */



@media (max-width: 370px) {

	/* ### intro ### */
	.intro_img_03{
		background-image: url("../../images/b_museum/03/ttl_sp_s.jpg") ;
		background-position: top 0 right 30%;
	}
	/* ### result ### */
	.cp_actab label span{
		width: auto;
		margin-right: 5%;
	}
	
} /*  @media (max-width: 370px)  */