#main{
width: 750px;
margin-top: 30px;
margin-right: auto;
margin-left: auto;
margin-bottom:50px;
}

h2{
float: left;
width: 81px;
}

h3{
margin-bottom: 15px;
}

#contents{
float: right;
width: 595px;
padding-right: 20px;
}


.intro-box{
width: 584px;
margin-bottom: 30px;
}

.ph-box-L{
float: left;
margin-right: 12px;
margin-bottom: 30px;
}

.ph-box-L02{
float: left;
margin-right: 10px;
margin-bottom: 30px;
}


.ph-box-R{
float: right;
}

.seminer-title{
font-size: 110%;
font-weight: bold;
color: #4b4b4b;
border-bottom: 1px solid #4b4b4b;
padding-bottom: 3px;
margin-bottom: 20px;
}

.date{
color: #920683;
}