html {
	height: 100%;
}
body {
	height: 100%;
	font-family: 游ゴシック体, 'Yu Gothic', YuGothic, メイリオ, 'Hiragino Kaku Gothic ProN', sans-serif;
	color: #000;
}
a {
	text-decoration: none;
	color: inherit;
}
a:hover {
	text-decoration: underline;
}

@media print, screen and (min-width: 641px) {
.container {
	width: 800px;
	margin: 20px auto;
	padding: 30px;
	overflow: hidden;
}
}

@media print, screen and (max-width: 640px) {
.container {
	width: 90%;
	margin: 20px auto;
	padding: 5%;
	overflow: hidden;
}
}
.container span, .container p, .container div {
	line-height: 1.6;
}
h1 {
	margin-bottom: 30px;
	font-size: 20px;
	font-weight: normal;
	position: relative;
	text-align: center;
}
h1 span {
	position: relative;
	z-index: 2;
	display: inline-block;
	margin: 0 4em;
	padding: 0 1em;
	background-color: #fff;
	text-align: left;
}
h1::before {
	position: absolute;
	top: 50%;
	z-index: 1;
	content: '';
	display: block;
	width: 100%;
	height: 1px;
	background: #ccc;
	background: -webkit-linear-gradient(-45deg, transparent, #ccc 10%, #ccc 90%, transparent);
	background: linear-gradient(-45deg, transparent, #ccc 10%, #ccc 90%, transparent);
}
.submit_area {
	margin-top: 45px;
	text-align: center;
}