@charset "utf-8";
/*-----------------------------------------------------------------------------
basic
-----------------------------------------------------------------------------*/
html {
	overflow-y: scroll;
	font-size: 62.5%;
}
body {
	padding-top: 150px;
	font-size: 1.4em;
	line-height: 1.8;
	color: #333;
	font-family: Avenir, "Open Sans", "Helvetica Neue", Helvetica, Arial, Verdana, Roboto, "游ゴシック", "Yu Gothic", "游ゴシック体", "YuGothic", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    font-weight: 500;
}
@media print { 
	body {
		padding-top: 0;
	}
}
.serif {
	font-family: "Roboto Slab", Garamond, "Times New Roman", "游明朝", "Yu Mincho", "游明朝体", "YuMincho", "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "HiraMinProN-W3", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
}
a.opacity img {
	box-shadow: #000 0 0 0;
}
img.frame {
    height: auto;
	padding: 4px;
	border: 1px solid #ddd;
	background-color: #fff;
}
.x-small {
	font-size: 1.0rem;
}
.small {
	font-size: 1.2rem;
}
.middle {
	font-size: 1.4rem;
}
.large {
	font-size: 1.6rem;
}
.x-large {
	font-size: 1.8rem;
}
.x2-large {
	font-size: 2.0rem;
}
.x3-large {
	font-size: 2.2rem;
}
.x4-large {
	font-size: 2.4rem;
}
.x5-large {
	font-size: 2.6rem;
}
.max-large {
	font-size: 6rem;
}
.white {
	color: #fff;
}
.black {
	color: #333;
}
.red {
	color: #a00;
}
.blue {
	color: #225ca5;
}
.orange {
	color: #fd8e0b;
}
.green {
	color: #49a966;
}
.purple {
	color: #9b80bb;
}
.text-shadow {
	-moz-text-shadow: 1px 1px 0 #000;
	-webkit-text-shadow: 1px 1px 0 #000;
	text-shadow: 1px 1px 0 #000;
}
.pointer {
	cursor: pointer;
}
.clear {
	clear: both;
}
a:link, a:visited {
	color: #225ca5;
	text-decoration: underline;
}
a:hover, a:active {
	color: #225ca5;
	text-decoration: none;
}
a.opacity {
	-webkit-transition: opacity 0.3s ease;
	-moz-transition: opacity 0.3s ease;
	transition: opacity 0.3s ease;
}
a.opacity:hover {
	-webkit-opacity: 0.7;
	-moz-opacity: 0.7;
	opacity: 0.7;
}
a.btn {
	display: inline-block;
	padding: 15px 30px;
	line-height: 1;
	color: #fff;
	text-decoration: none;
	text-align: center;
	background-color: #225ca5;
	-webkit-border-radius: 3px;
	-moz-border-radius: 3px;
	border-radius: 3px;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
a.btn.w100 {
	width: 100%;
}
a.btn:hover {
	-webkit-opacity: 0.6;
	-moz-opacity: 0.6;
	opacity: 0.6;
}
a.btn.type-white {
	padding: 18px 0;
	color: #111;
	border: 1px solid #225ca5;
	background-color: #fff;
	-webkit-border-radius: 0;
	-moz-border-radius: 0;
	border-radius: 0;
}
.indent-icon {
	position: relative;
	padding-left: 1.2em;
}
.indent-icon.mark::after {
	content: "※";
	position: absolute;
	top: 0;
	left: 0;
}
.indent-icon.dot::after {
	position: absolute;
	font-family: FontAwesome;
	top: 0;
	left: 0;
	color: #a00;
	content: "\f192";
}
.indent-icon.check::after {
	position: absolute;
	font-family: FontAwesome;
	top: 0;
	left: 0;
	color: #a00;
	content: "\f046";
}
/* clearfix */
.clearfix:after {
	content: "";
	display: block;
	clear: both;
}
/*-----------------------------------------------------------------------------
common
-----------------------------------------------------------------------------*/
.page-ttl {
	display: table;
	width: 100%;
	height: 260px;
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
}
.feature .page-ttl {
	background-image: url(../images/feature_title_bg.jpg);
}
.works .page-ttl {
	background-image: url(../images/works_title_bg.jpg);
}
.company .page-ttl {
	background-image: url(../images/company_title_bg.jpg);
}
.fz .page-ttl {
	background-image: url(../images/fz_title_bg.jpg);
}
.fa- .page-ttl {
	background-image: url(../images/fa_title_bg.jpg);
}
.fce .page-ttl {
	background-image: url(../images/fce_title_bg.jpg);
}
.fb .page-ttl {
	background-image: url(../images/fb_title_bg.jpg);
}
.contact .page-ttl {
	background-image: url(../images/contact_title_bg.jpg);
}
.performance .page-ttl {
	background-image: url(../images/performance_title_bg.jpg);
}
.page-ttl h2 {
	display: table-cell;
	color: #fff;
	font-size: 3rem;
	line-height: 1;
	letter-spacing: 0.1em;
	text-align: center;
	vertical-align: middle;
	text-shadow: 1px 1px 0 #000;
    font-weight: bold;
}
.page-ttl h2 .en {
	display: block;
	margin-top: 10px;
	font-size: 65%;
    font-weight: normal;
}
.headline {
	width: 100%;
	padding: 10px;
	background: #e0e6ed;
}
.headline > h3 {
	padding: 20px;
	font-size: 2.2rem;
	text-align: center;
	color: #225ca5;
	line-height: 1;
	text-shadow: 1px 1px 0 #fff;
	border: 1px solid #225ca5;
}
.headline.mid > h3 {
	font-size: 2.0rem;
	line-height: 1.3;
}
.headline01 {
	padding: 12px 10px 10px;
	font-size: 3.2rem;
	line-height: 1.2;
}
.headline01 > span {
	font-size: 1.5rem;
	color: #097aaf;
}
.headline02 {
	font-size: 2.2rem;
	line-height: 1.2;
}
.headline03 {
	font-size: 1.8rem;
	line-height: 1.2;
}
.headline-ll {
	padding: 5px 0 5px 0.5em;
	border-left: 5px solid #ccc;
}
.common_box {
	display: inline-block;
	padding: 15px 30px;
	background-color: #f1f1f1;
	border: 1px solid #DDD;
}
ul.normal {
	list-style-type: square;
}
ul.normal li {
	margin: 0 0 0 17px;
	list-style-type: square;
}
ol.normal {
	list-style-type: decimal;
}
ol.normal li {
	margin: 0 0 0 22px;
	list-style-type: decimal;
}
.well {
	min-height: 20px;
	margin-left: auto;
	margin-right: auto;
	padding: 18px;
	background-color: #f5f5f5;
	border: 1px solid #ddd;
	border-radius: 4px;
	-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .05);
	box-shadow: inset 0 1px 1px rgba(0, 0, 0, .05);
}
.breadcrumb-box {
	width: 100%;
	padding: 20px 0;
	list-style: none;
	font-size: 1.2rem;
	background-color: #e0e0e0;
}
.breadcrumb-list {
	width: 1000px;
	margin: auto;
}
.breadcrumb-list > li {
	display: inline-block;
}
.breadcrumb-list > li + li:before {
	padding: 0 5px;
	content: "/\00a0";
}
.breadcrumb-list a, .breadcrumb-list > .active {
	color: #333;
}
.common_inner {
	width: 1000px;
	margin: auto;
	padding: 60px 0 100px;
	overflow: hidden;
}
sup {
    vertical-align: text-bottom;
}
/*-----------------------------------------------------------------------------
header
-----------------------------------------------------------------------------*/
.main_header {
	position: fixed;
	top: 0;
	right: 0;
	left: 0;
	z-index: 5000;
	width: 100%;
	height: 150px;
	background: #fff;
	-webkit-box-shadow: 0 3px 4px -5px #000;
	-moz-box-shadow: 0 3px 4px -5px #000;
	-ms-box-shadow: 0 3px 4px -5px #000;
	box-shadow: 0 3px 4px -5px #000;
}
.main_header::before {
	position: absolute;
	content: '';
	top: 0;
	left: 0;
	width: 100%;
	height: 63px;
	background-color: #225ca5;
}
@media print { 
	.main_header {
		position: static;
	}
}
.main_header-inner {
	position: relative;
	width: 1000px;
	height: 150px;
	margin: auto;
	line-height: 1;
}
.main_header h1 {
	display: inline-block;
	position: absolute;
	top: 0;
	left: 0;
	overflow: hidden;
}
.main_header .btn {
	position: absolute;
	width: 270px;
	height: 63px;
	top: 0;
	right: 270px;
}
.main_header .btn.btn-english {
	right: 0;
}
.main_nav {
	position: absolute;
	top: 90px;
	right: 0;
	width: 540px;
	height: 36px;
}
.main_nav > ul {
	width: 540px;
	height: 36px;
	margin: auto;
	line-height: 1;
}
.main_nav > ul > li {
	display: block;
	position: relative;
	float: left;
	height: 36px;
}
.main_nav > ul > li > a {
	display: block;
	background-color: #fff;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
.main_nav > ul > li.cr > a,
.main_nav > ul > li.withSubMenu:hover > a,
.main_nav > ul > li > a:hover {
	background-color: #e2eef9;
}
.main_nav > ul > li > ul.subMenu {
	visibility: hidden;
	position: absolute;
	top: 0;
	left: 50%;
	width: 270px;
	margin: 0;
	padding: 14px 0 0 0;
	-webkit-opacity: 0;
	-moz-opacity: 0;
	opacity: 0;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
	z-index: 9999;
	-webkit-transform: translate(-50%,28px);
	-moz-transform: translate(-50%,28px);
	-ms-transform: translate(-50%,28px);
	transform: translate(-50%,28px);
}
.main_nav > ul > li > ul.subMenu::before {
	content: "";
	position: absolute;
	top: 0;
	left: 50%;
	border: 7px solid transparent;
	margin-left: -7px;
	border-bottom-color:  #225ca5;
	z-index: -1;
}
.pc .main_nav > ul > li:hover > ul.subMenu,
.mobile .main_nav > ul > li.hover > ul,
.tablet .main_nav > ul > li.hover > ul {
	visibility: visible;
	-webkit-opacity: 0.9;
	-moz-opacity: 0.9;
	opacity: 0.9;
	-webkit-transform: translate(-50%,36px);
	-moz-transform: translate(-50%,36px);
	-ms-transform: translate(-50%,36px);
	transform: translate(-50%,36px);
}
.main_nav > ul > li > ul.subMenu > li > a {
	position: relative;
	display: block;
	padding: 16px 30px 16px 16px;
	color: #fff;
	font-size: 1.2rem;
	line-height: 1.2;
	text-decoration: none;
	background-color: #225ca5;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	transition: 0.5s;
}
.main_nav > ul > li > ul.subMenu > li > a:hover {
	background-color: #417cc6;
}
.main_nav > ul > li > ul.subMenu > li > a::after {
	content: "";
	position: absolute;
	width: 6px;
	height: 6px;
	top: 50%;
	right: 15px;
	margin-top: -3px;
	border-top: 1px solid #fff;
	border-right: 1px solid #fff;
	-moz-transform: rotate(45deg);
	-webkit-transform: rotate(45deg);
	-ms-transform: rotate(45deg);
	transform: rotate(45deg);
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	transition: 0.5s;
}
/*-----------------------------------------------------------------------------
home
-----------------------------------------------------------------------------*/
.heroImage {
	clear: both;
	width: 100%;
	background: url(../images/bg_main.jpg) no-repeat center top;
}
.heroImage .heroImage-inner {
	position: relative;
	margin: 0 auto;
	width: 1000px;
	height: 1035px;
}
.flexslider {
	float: left;
	width: 1000px;
	height: 1035px;
}
.links li a {
	position: absolute;
	display: block;
	top: 0;
	left: 0;
	width: 50px;
	height: 50px;
	z-index: 100;
	line-height: 1;
	text-indent: -9999px;
	-webkit-transition: background-color 0.6s ease;
	-moz-transition: background-color 0.6s ease;
	transition: background-color 0.6s ease;
}
.links li a:hover {
	background-color: rgba(251,251,251,0.3);
}
.links li.fzc a {
	top: 176px;
	left: 655px;
}
.links li.fz a {
	top: 238px;
	left: 647px;
}
.links li.fa a {
	top: 178px;
	left: 257px;
	width: 51px;
	height: 51px;
}
.links li.fce a {
	top: 321px;
	left: 325px;
}
.links li.fb a {
	top: 414px;
	left: 460px;
}
.home article > h2 {
	width: 1020px;
	height: 500px;
	margin: auto;
	padding-top: 70px;
	text-align: center;
}
.home #main01 {
	width: 100%;
	padding: 40px 0 60px;
}
.home .main01_inner {
	width: 1000px;
	margin: auto;
}
.home .main01_inner .tit {
	margin-bottom: 40px;
}
.home .main01_inner .txt {
	margin-bottom: 40px;
	font-size: 18px;
	text-align: center;
}
.home .main01_inner .cards li {
	float: left;
	width: 313px;
	margin-right: 30px;
}
.home .main01_inner .cards li:last-child {
	margin-right: 0;
	margin-left: 1px;
}
.home #main02 {
	width: 100%;
	background: #fdf2bf;
}
.home .main02_inner {
	width: 1020px;
	height: 620px;
	margin: auto;
}
.home .main02_inner p img {
	-webkit-transform: translateY(-30px);
	-moz-transform: translateY(-30px);
	-ms-transform: translateY(-30px);
	transform: translateY(-30px);
}
.home #main03 {
	width: 100%;
	padding: 60px 0 40px;
	background: #fff;
}
.home .main03_inner {
	width: 1020px;
	margin: auto;
}
.home .main03_inner .box {
	max-width: none;
	width: 1020px;
	overflow: hidden;
}
.home .main03_inner .card {
	float: left;
	width: 480px;
	margin-right: 60px;
}
.home .main03_inner .card:last-child {
	margin-right: 0;
}
/*-----------------------------------------------------------------------------
works
-----------------------------------------------------------------------------*/
.works .works_category-list {
	margin-bottom: 40px;
	padding-right: 10px;
}
.works .works_category-tit {
	position: relative;
	margin-bottom: 10px;
	padding: 14px 10px;
	color: #fff;
	font-size: 1.6rem;
	text-align: center;
	background-color: #225ca5;
	line-height: 1;
}
.works .works_category-tit::before {
	content: '';
	position: absolute;
	bottom: -12px;
	left: 50%;
	margin-left: -6px;
	border: 6px solid transparent;
	border-top-color: #225ca5;
}
.works .works_category-list a {
	position: relative;
	display: block;
	padding: 16px 0 14px 12px;
	color: #555;
	font-size: 1.4rem;
	line-height: 1.2;
	border-bottom: 1px solid #ddd;
	text-decoration: none;
	word-wrap: break-word;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
.works .works_category-list a:hover {
	color: #225ca5;
}
.works .works_category-list a::after {
	content: "\f105";
	position: absolute;
	font-family: FontAwesome;
	top: 50%;
	left: 0;
	margin-top: -9px;
	color: #225ca5;
	font-size: 18px;
}
.works .works_box {
	margin-bottom: 50px;
	padding-bottom: 20px;
	border-bottom: 5px solid #ddd;
}
.works .works_box-txt {
	margin-bottom: 30px;
	word-break: break-all;
}
.works .works_box-img {
	margin-bottom: 30px;
	text-align: center;
}
.works .works_box-img img {
	position: relative;
	max-width: 100%;
	max-height: 177px;
	width: auto;
	height: auto;
	padding: 4px;
	border: 1px solid #ddd;
}
.works .works_box-img a {
	position: relative;
	display: inline-block;
	max-width: 100%;
	text-decoration: none;
}
.works .works_box-img a::after {
	content: "\f00e";
	position: absolute;
	padding: 4px 6px 6px 4px;
	font-family: FontAwesome;
	top: 11px;
	left: 11px;
	color: #225ca5;
	line-height: 1;
	background-color: rgba(255,255,255,0.8);
	-webkit-border-radius: 50%;
	-moz-border-radius: 50%;
	border-radius: 50%;
}
.works .works_box-set {
	margin-bottom: 30px;
	overflow: hidden;
}
.works .works_box-set .works_box-img {
	margin-bottom: 0;
	float: left;
	padding-right: 30px;
}
.works .works_box-set .works_box-img img {
	max-width: 232px;
	max-height: 177px;
}
.works .works_box-set .works_box-txt {
	margin-bottom: 0;
	overflow: hidden;
}
.works .works_box-img-comment {
	margin-top: 5px;
	font-size: 1.2rem;
	word-break: break-all;
}
.works .paging {
	text-align: center;
	line-height: 1;
}
.works .paging span.current, .works .paging span a.paging-text {
	margin: 0 2px 4px 2px;
	padding: 10px;
	color: #444;
	border: 1px solid #ccc;
	zoom: 1;
	display: inline-block;
	overflow: hidden;
	text-decoration: none;
}
.works .paging span.current {
	background-color: #225ca5;
	border: 1px solid #225ca5;
	color: #fff;
	zoom: 1;
	text-decoration: none;
	display: inline-block;
}
.works .paging span a.paging-text:hover {
	background-color: #225ca5;
	border: 1px solid #225ca5;
	color: #fff;
	display: inline-block;
	zoom: 1;
	text-decoration: none;
	cursor: pointer;
}
/*-----------------------------------------------------------------------------
company
-----------------------------------------------------------------------------*/
.company .common_inner {
	padding: 60px 0 30px;
}
.company iframe {
	padding: 4px;
	border: 1px solid #ddd;
}
/*-----------------------------------------------------------------------------
fz
-----------------------------------------------------------------------------*/
.fz h3 {
	width: 100%;
	padding: 30px;
	background-color: #f5f5f5;
}
.fz .common_inner {
	padding: 0 0 100px;
}
.fz #fzc {
	margin-bottom: -150px;
}
.fz #fz {
	padding-top: 150px;
}
.fz #fz .table th {
	background-color: rgba(191,191,191,0.3)
}
.fz #fz .table td,
.fz #fz .table th {
	text-align: center;
}
/*-----------------------------------------------------------------------------
fa
-----------------------------------------------------------------------------*/
.fa- h3 {
	width: 100%;
	padding: 30px;
	background-color: #f5f5f5;
}
.fa- .common_inner {
	padding: 0 0 100px;
}
.fa- .table th {
	background-color: #eee;
    vertical-align: middle;
}
.fa- .table td,
.fa- .table th {
	text-align: center;
}
/*-----------------------------------------------------------------------------
fce
-----------------------------------------------------------------------------*/
.fce h3 {
	width: 100%;
	padding: 30px;
	background-color: #f5f5f5;
}
.fce .common_inner {
	padding: 0 0 100px;
}
.fce .table th {
	background-color: #eee;
}
.fce .table td,
.fce .table th {
	text-align: center;
	vertical-align: middle;
}
/*-----------------------------------------------------------------------------
fb
-----------------------------------------------------------------------------*/
.fb h3 {
	width: 100%;
	padding: 30px;
	background-color: #f5f5f5;
}
.fb .common_inner {
	padding: 0 0 100px;
}
.fb .table th {
	background-color: #eee;
}
.fb .table td,
.fb .table th {
	text-align: center;
}
/*-----------------------------------------------------------------------------
performance
-----------------------------------------------------------------------------*/
.performance .common_inner {
	padding: 0;
}
.performance #fzcfz,
.performance #fafb,
.performance #fce,
.performance #fa8 {
	padding: 70px 0;
	border-top: 1px solid #ccc;
}
.performance #fce {
	padding: 60px 0 100px;
}
.performance .table th {
	background-color: rgba(191,191,191,0.3)
}
.performance .table td,
.performance .table th {
	text-align: center;
}
.performance .table td:nth-child(2) {
	text-align: left;
}
.performance #fa8 .table td:nth-child(1) {
	text-align: left;
}
.performance #fa8 .table td:nth-child(2) {
	text-align: center;
}
/*-----------------------------------------------------------------------------
contact
-----------------------------------------------------------------------------*/
.contact .common_inner {
	padding: 60px 0 10px;
}
.contact .forms {
	width: 90%;
	margin: 0 auto 100px;
	padding: 30px;
	border: 1px solid #ddd;
	border-radius: 10px;
}
.contact .radios label {
	display: inline-block;
	margin-right: 30px;
}
.contact .privacy_box {
	height: 250px;
	overflow: auto;
	margin-bottom: 20px;
	padding: 20px;
	font-size: 1.2rem;
	border: 5px solid #eee;
	-moz-box-shadow: 3px 3px 8px -3px #aaa inset;
	-webkit-box-shadow: 3px 3px 8px -3px #aaa inset;
	box-shadow: 3px 3px 8px -3px #aaa inset;
}
.contact button.btn_submit {
	position: relative;
	background-color: #225ca5;
	/*
	border-radius: 5px;
	*/
	cursor: pointer;
	font-size: 1.8rem;
	letter-spacing: 1px;
	color: #FFF;
	padding: 20px 70px;
	border: none;
	text-align: center;
	text-decoration: none;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
.contact button.btn_submit i {
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
.contact button.btn_submit:hover {
	-webkit-opacity: 0.6;
	-moz-opacity: 0.6;
	opacity: 0.6;
}
.contact button.btn_submit:hover i {
	-webkit-transform: translateX(5px);
	-moz-transform: translateX(5px);
	-ms-transform: translateX(5px);
	transform: translateX(5px);
}
/*-----------------------------------------------------------------------------
footer 
-----------------------------------------------------------------------------*/
.main_footer {
	width: 100%;
}
.main_footer01 {
	width: 100%;
	margin: auto;
	padding: 40px 0;
	line-height: 1;
	font-size: 1.4rem;
	text-align: center;
	background: #e0e0e0;
}
.main_footer01 .logo {
	margin-bottom: 15px;
}
.main_footer01 .address {
	margin-bottom: 25px;
}
.main_footer01 .tel {
	font-size: 20px;
}
.main_footer02 {
	width: 100%;
	background: #225ca5;
}
.main_footer02_inner {
	width: 1000px;
	margin: auto;
	padding: 40px 0;
	font-size: 1.2rem;
	color: #fff;
	line-height: 1;
}
.main_footer02_inner nav.footer_menu .footer_menu-list li {
	margin-bottom: 10px;
}
.main_footer02_inner nav.footer_menu .footer_menu-list li ul {
	margin: 10px 0 0 18px;
}
.main_footer02_inner nav.footer_menu .footer_menu-list li a {
	position: relative;
	padding: 0 0 0 15px;
	color: #fff;
	text-decoration: none;
}
.main_footer02_inner nav.footer_menu > .footer_menu-list > li > a::before {
	content: "";
	position: absolute;
	width: 4px;
	height: 4px;
	top: 50%;
	left: 0;
	margin-top: -2px;
	border-top: 1px solid #fff;
	border-right: 1px solid #fff;
	-moz-transform: rotate(45deg);
	-webkit-transform: rotate(45deg);
	-ms-transform: rotate(45deg);
	transform: rotate(45deg);
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	transition: 0.5s;
}
.main_footer02_inner nav.footer_menu .footer_menu-list.sub li a::before {
	content: "";
	position: absolute;
	top: 50%;
	left: 0;
	border: 4px solid transparent;
	margin-top: -4px;
	border-left-color: #fff;
}
.main_footer .footer_copyright {
	padding: 25px 0;
	text-align: center;
	line-height: 1;
}
.back-top {
	position: fixed;
	right: 20px;
	bottom: 20px;
	display: none;
	cursor: pointer;
	margin: 0;
}
.back-top img {
	-webkit-transition: opacity 0.6s ease;
	-moz-transition: opacity 0.6s ease;
	transition: opacity 0.6s ease;
}
body.pc .back-top img:hover {
	-webkit-opacity: 0.6;
	-moz-opacity: 0.6;
	opacity: 0.6;
}