.pc_only{
    display: inline;
}

.sp_only{
    display: none;
}

.mb1em{
    margin-bottom: 2em;
}

.mb2em{
    margin-bottom: 2em;
}

.mb3em{
    margin-bottom: 3em;
}

h1 {
	font-weight: bold;
    font-size: 18px;
    border-bottom: solid 2px;
    padding-bottom: 5px;
    margin: 1.5em 0 35px 0;
}

h2, h3, h4 {
	margin:0 auto 1.5em;
    padding: 0;
}

.contents_border {
	border-bottom: 1px solid #ccc;
    padding-bottom: 3px;
}