.site-header {
	border-bottom: 1px solid;
	font-size: 14px;
	height: 26px;
	margin: 0;
	top: 0;
	left: 0;
	overflow: hidden;
	padding: 0;
	width: 100%;
	z-index: 100;
	background-color: #fff;
	border-color: #666;
	/* 固定 */
	display: flex;
	position: fixed;
	/* IEはだめそう */
	justify-content: center;
/*	align-items: center; */
}

.site-header-navigation-links {
/*	float: left; */
	height: 26px;
	list-style-type: none;
	margin: 0;
	padding: 0;
	vertical-align: middle;
	/* IE用に */
	margin-left: 10px;
	margin-right: 10px;
}

.site-header-navigation-links li {
	display: inline;
	line-height: 26px;
	vertical-align: middle;
/*	margin-right: 5px; */
}

.site-header-announcement {
	float: right;
	line-height: 26px;
	margin-right: 10px;
	vertical-align: middle;
	/* 絶対 */
	position: absolute;
	top: 0;
	right: 0;
}

.site-header-announcement img {
	transform: translate(0, 4px);
}

.small {
	font-size: 14px;
}
.normal {
	font-size: 16px;
}
.big {
	font-size: 18px;
}

img {
	border: 0;
}