/* CSS Document */

#main_box {
	margin-top: 30px;
}
.gy_bg {
	padding: 20px 0;
	background-color: #F6F6F6;
	margin-top: 20px;
}
#facebook_box {
	width: 500px;
	height: 500px;
	margin: 10px auto;
	background-color: #FFF;
	text-align: center;
}
#twitter_box {
	width: 500px;
	height: 200px;
	margin: 10px auto;
}
.t_btn {
	text-align: center;
	background-color: #1b95e0;
	margin-top: 40px;
	font-size: 25px;
	color: #fff;
	border-radius: 10px;
}
.t_btn a {
	color: #fff;
	display: block;
	padding: 20px;
}
.t_btn a:hover {
	background-color: #E4F3FC;
	color: #1b95e0;;
	border-radius: 10px;
}
.concept_bg{
	background: url("../images/common/concept_bg.jpg") no-repeat;
	text-align: center;
}
.concept_bg h3{
	padding-top: 50px;
	font-size: 34px;
}
.concept_bg h4{
	font-size: 20px;
	font-family: 貂ｸ譏取悃菴�, "Yu Mincho", YuMincho, "Times New Roman", "�ｭ�ｳ �ｰ譏取悃", "MS PMincho", "繝偵Λ繧ｮ繝取�譛� Pro W3", "Hiragino Mincho Pro", serif;
	font-weight: bold;
}
.concept_bg p{
	font-size: 12px;
	padding-top: 10px;
}
.page_title {
    border-left: 5px solid #2E79B8;
    border-bottom: 1px dashed #73797F;
    margin-top: 45px;
    padding: .3em 0 .3em .75em;
    text-align: left;
    font-size: 20px;
    line-height: 25px;
    font-weight: bold;
    color: #000;
}
.pre_inner{
	display: flex;
	flex-wrap: wrap;
	margin-top: 30px;
	justify-content: center;
}
.pre_inner li{
	margin-right: 2.4%;
	margin-bottom: 20px;
}
.pre_inner li:last-child{
	margin-right: auto;
}
.pre_inner p{
	margin-top:10px;
	font-size:14px;
}
.pre_inner a{
	font-size:13px;
}
.pre_inner li img{
	width:210px;
}
.pre_btn{
	text-align: center;
	margin-top:50px;
	margin-bottom: 40px;
}
.pre_btn a{
	background-color:#56B297;
    margin: 0 auto;
    display: block;
    padding: 20px 120px;
    color: #FFF;
}
.pre_btn a:hover{
	outline: none;
    background-color: #7FCACA;
	color: #FFF;
}
@media screen and (max-width: 1000px) {
#main_box {
    margin-top: 40px;
}
.concept_bg {
    background-size: 480px;
}
.concept_bg h3 {
    font-size: 30px;
}
	
.pre_inner li{
	margin-right: 0;
	padding: 0 1.5%;
	margin-bottom: 20px;
	width: 30%;
}
.pre_inner li img{
	width: 100%;
}
}
@media screen and (max-width: 767px) {
#main_box {
    margin-top: 10px;
}
.concept_bg {
    background-size: 400px;
}
.concept_bg h3 {
    padding-top: 30px;
    font-size: 4vw;
}
.concept_bg p {
    padding: 1em 1.5em;
	text-align: left;
}
.page_title {
    margin-top: 20px;
    font-size: 16px;
}
.pre_inner p{
	font-size:13px;
}
.pre_inner li {
    margin-right: 0;
    margin-bottom: 20px;
    width: 48%;
    padding: 0 1%;
}
.pre_inner li img {
    width: 100%;
}
#facebook_box {
	width: 100%;
}
#twitter_box {
	width: 100%;
	height: auto;
}
.t_btn {
	font-size: 20px;
}
.t_btn a {
    padding: 15px;
}	
}
@media screen and (max-width: 500px) {
.concept_bg h3 {
    font-size: 4.5vw;
	padding-top: 40px;
}
}