.cont1 {
	width: 100%;
	float: left;
}
.txt {width:100%;padding:2%;box-sizing:border-box;line-height:160%;font-size:1.6em;margin-bottom:20px;}

ol{
    padding-left: 20px;
}
ol li{
	list-style: decimal;
	padding-bottom: 15px;
}
ol li span{
    font-weight: bold;
    font-size: 105%;
}
ul{
    padding-left: 20px;
    line-height: 180%;
}
ul li{
	list-style: disc;
}



@media screen and (max-width: 640px) {
.tb1{
	font-size: 1.2em;
}
}










 @media screen and (max-width: 640px) {
	 .cont1-left, .cont1-right {width:100%;}
	 
 .tb2 {border-left: solid 1px #FCCCCC;}
}