.spbr{
display: none;
}

section{
width: 600px;
float: left;
margin-left: 60px;
margin-top: 164px;
margin-bottom: 387px;
text-align: center;
}

.h1_wrp{
text-align: center;
}

h1{
display: inline-block;
text-align: center;
position: relative;
margin-bottom: 182px;
}

h1::after{
    content: '';
    position: absolute;
    top: 86px;
    right: -24px;
    background: #70d8e2;
    height: 8px;
    width: 100px;
    z-index: -1;
}

.all_video_wrp{
width: 610px
}

.video_box{
width: 278px;
float: left;
margin-bottom: 12px;
}

.thum{
width: 100%;
height: auto;
}

.video_box:nth-child(even){
margin-left: 43px;
}

.video_box p{
font-size: 14px;
color: #888888;
line-height: 1.1;
height: 58px;
margin-top: 10px;
}

.pc_side_nav dl dd:nth-of-type(1) a{
color: #70d8e2;
}

/*画面サイズ640px切り替え後の設定ーーーーーーーーーーーーーーー*/

@media only screen and (max-width:640px){

.spbr{
display: inline;
}

.pcbr{
display: none;
}

section {
    float: none;
    margin: 0 auto;
    margin-bottom: 100px;
    width: 90%;
}

.all_cont_wrp {
    margin: 0;
    width: 100%;
}

.h1_wrp{
text-align: center;
}

h1 {
    display: inline-block;
    margin-bottom: 97px;
    margin-left: 0;
    position: relative;
    text-align: center;
}

h1::after {
    background: #70d8e2 none repeat scroll 0 0;
    content: "";
    height: 8px;
    position: absolute;
    right: -2px!important;
    top: 86px;
    width: 100px;
    z-index: -1;
}

.all_video_wrp {
    width: 100%;
}

.video_box {
  float: none;
  margin-bottom: 30px;
  width: 100%;
}

.video_box:nth-child(even){
margin-left: 0px;
}







.t01 tr:first-of-type td:nth-of-type(1) a{
color: #70d8e2;
}
























}/*メディアクエリー閉じタグ*/