body {
	-webkit-text-size-adjust: 100%;
}
body #contents {
	color: #555;
}
body #contents a:hover img {
	opacity: 0.7;
  filter: alpha(opacity=70);
  -ms-filter: "alpha(opacity=70)";
}


/* =common
-------------------------------------------------------------- */
.floatbox {
	overflow: hidden;
}

.floatlist {
	list-style: none;
	/*overflow: hidden;*/
	margin: 0;
	padding: 0;
	font-size: 0;
}
.floatlist li {
	display: inline-block;
	vertical-align: top;
	font-size: 1.5rem;
}

.relative {
	position: relative;
}
.absolute {
	position: absolute;
}

.left {
	float: left;
}
.right {
	float: right;
}
.center {
	text-align: center;
}

.table {
	display: table;
	width: 100%;
}
.cell {
	display: table-cell;
	vertical-align: middle;
}

.imgbox {
	line-height: 0;
}

.clear {
	clear: both;
}
.clearfix::after {
		clear: both;
		content: ".";
		display: block;
		font-size: 0;
		height: 0;
		visibility: hidden;
}
.clearfix {
		min-height: 1px;
}

img,iframe {
	max-width: 100%;
}

.hidden {
	display: none;
}


/* =common navigation
-------------------------------------------------------------- */
/* contents_menu */
#contents_title_inner {
	table-layout: fixed;
}
#contents_title h1.main_title,
#contents_title #topic_path{
	width: auto;
}
#contents_title .cell:first-child {
	padding-left: 30px;
}
.menu_btn {
	width: 200px;
	text-align: right;
}
.menu_name,
.menu_img {
	display: inline-block;
	vertical-align: middle;
}
.menu_name {
	margin-right: 5px;
	font-size: 12px;
}
.contents_menu {
	display: none;
	background: #eee;
}

/* activity_nav */
.activity_nav_global {
	position: fixed;
	*position: absolute;
	top: 130px;
	left: 0px;
	z-index: 9;
	padding: 0 40px 170px 45px;
}
.activity_nav_top {
	position: absolute;
	left: 0px;
	top: 110px;
}
.activity_nav_top li {
	margin-bottom: 1px;
}
.activity_nav_top_activity a {
	display: block;
	width: 44px;
	height: 44px;
}
.activity_nav_detail {
	display: none;
	position: relative;
	top: 40px;
	left: 0;
	margin-bottom: -90px;
	border-bottom: 1px solid #dcdcdc;
}
.activity_nav_detail li {
	display: table;
	*display: block;
	border: 1px solid #dcdcdc;
	border-bottom: 0;
}
.activity_nav_detail li a {
	display: table-cell;
	width: 18em;
	height: 43px;
	padding: 0 20px;
	*display: block;
	*padding-top: 12px;
	*height: 34px;
	background-color: rgba(255,255,255,0.8);
	background-color: #fff\9; /* for IE8竊� */
	*background-color: #fff; /* for IE7竊� */
	font-size: 108%;
	vertical-align: middle;
}
.activity_nav_detail li.navon a,
.activity_nav_detail li a:hover {
	background-color: #dd3535;
	color: #fff;
	text-decoration: none;
}
.activity_nav_top_print {
}
.activity_nav_detail li.activity_nav_topback {
	margin-bottom: 10px;
	border-bottom: 1px solid #dcdcdc;
}
.activity_nav_detail li.activity_nav_topback span {
	font-size: 93%
}
.activity_nav_detail .pdf {
	padding-right: 21px;
	background: url("../img/icon_pdf.png") no-repeat 100% 50%;
}