.mask {
	background-image: url(http://6word.com/image/ban/mask.gif);
	position: absolute;
	z-index: 100;
	height: 1000px;
	width: 100%;
	left: 0;
	top: 0;
}
body{
	font-size:  10pt;
	text-align: center;
}
h1{
	font-size: 110%;
	display: inline; /* ���s���� */
	color:       #C0C0C0;	
}
h2{
	font-size: 105%;
	display: inline; /* ���s���� */
}