.bg_20th {
	background-image: url(../img/20th_campaign/bg_20th.jpg);
	background-repeat: repeat;
	padding-bottom: 50px;
	padding-right: 5%;
	padding-left: 5%;
	margin-bottom: 30px;
}


.contents_20th{
	background-color: #FFFFFF;
	padding-top: 150px;
	overflow: auto;
	padding-right: 50px;
	padding-bottom: 50px;
	padding-left: 50px;
	max-width: 900px;
	margin-right: auto;
	margin-left: auto;
}

.top_midashi{
	color: #013D8D;
	text-decoration: none;
	font-size: 135%;
}

.top_txt{
	color: #013D8D;
	text-decoration: none;
	font-size: 90%;
	margin-bottom: 10px;
	overflow: auto;
}
.caution{
	color: #013D8D;
	font-size: 70%;
	margin-top: 10px;
	text-align: right;
	margin-bottom: 10px;
}


.present01{
	border: 1px solid #E3037F;
	overflow: auto;
	line-height: 0;
}

.present02{
	border: 1px solid #029FE8;
	overflow: auto;
	line-height: 0;
}
.present img{
	max-width: 33.33%;
	float: left
}

@media only screen and (max-width: 769px){
	.contents_20th {
	width: 90%;
	padding: 5%;
	overflow: auto;
}

	.left_txt{
	float: left;
}

.right_txt{
	float: left;
	
}
	
}


@media only screen and (max-width: 480px){
	.contents_20th {
	width: 80%;
	padding: 5%;
	margin-left: 5%;
}

	.top_midashi{
	color: #013D8D;
	text-decoration: none;
	font-size: 110%;
}

	.present img{
	max-width: 100%;
	float: none
}
	
.caution{
	color: #013D8D;
	font-size: 70%;
	margin-top: 10px;
	text-align: left;
}
	
}