@charset "utf-8";

/* base */
._pc{display:inline-block;}
._sp{display:none;}

#challenge #head{
position: relative;
}
.content{
margin: 100px auto 70px;
}
h1,h2{
text-align: center;
}
.none {
	display: none;
}

/* index */
.tab_area {
border-bottom: 1px solid #ccdff0;
margin-bottom: 70px;
}
.tab_area ._pc{display:block;}
.tab_area ul{
width: 920px;
/*width: 650px;*/
margin: 0 auto;
text-align: center;
}

.tab_area ul li{width:300px; margin-right:10px; box-sizing:border-box; float: left;}
.tab_area ul li:nth-last-child(1){margin-right:0;}
.tab_area ul li a{
display:block;
width:300px;
height: 60px;
background: #fff;
color:#015db2;
border-top: 1px solid #CCDFF0;
border-right: 1px solid #CCDFF0;
border-left: 1px solid #CCDFF0;
text-decoration: none;
cursor: pointer;
}

.tab_area ul li p{
padding-top: 15px;
font-size: 18px;
font-weight: bold;
line-height: 27px;
}
.tab_area ul li.select a{
background-position: 50% 50%;
background-color: #015db2;
color:#fff;
}

.tab_area ul li.select a{
position: relative;
}
.tab_area ul li.select a:before{
content: "";
width: 10px;
height: 9px;
display: block;
background: url(../images/img_tab_arrow.png);
background-repeat: no-repeat;
position: absolute;
bottom: -9px;
left: 50%;
z-index: 1;
}
.tab_area ul li.tab_02 a{
background: url(../images/img_tab_02_off.png);
background-repeat: no-repeat;
background-position: 50% 50%;
background-color: #fff;
color: #015db2;
}
.tab_content {
margin: 0 auto;
border-left: 1px solid #e6ebee;
border-right: 1px solid #e6ebee;
}
/* content */
h1{margin-bottom: 30px;}
h2{
margin-bottom: 53px;
font-size: 20px;
color: #015DB2;
line-height: 35px;
}
.img_area {
margin-bottom: 70px;
}
.img_area_Inr{
color: #fff;
width: 100%;
height: 232px;
padding: 80px 0 70px;
position: relative;
overflow: hidden;
}
.img_area_Inr .bg_01{
width: 100%;
top: -210px;
left: 0;
position: absolute;
z-index: -1;
}
.img_area_Inr .bg_01 img{
width: 100%;
}
.img_area_Inr .title {
text-align: center;
font-size: 14px;
font-weight: bold;
letter-spacing: 0.1em;
width: 310px;
margin: 0 auto 40px;
padding: 10px 0;
border-top: 1px solid #fff;
border-bottom: 1px solid #fff;
}
.img_area_Inr .title strong {
font-size: 20px;
}
.img_area_Inr p {
width: 500px;
font-size: 14px;
line-height: 28px;
text-align: center;
margin: 0 auto;
}
.txt_area {
width: 900px;
margin: 0 auto;
}
.txt_area.pt61_last {
padding-top: 61px;
padding-bottom:0;
}

.txt_area.pt61 {
padding-top: 61px;
padding-bottom: 58px;
}

.txt_area.pt72 {
padding-top: 72px;
padding-bottom: 65px;
}
.txt_area.pt76 {
padding-top: 76px;
padding-bottom: 65px;
}
.txt_area.pt71 {
padding-top: 71px;
padding-bottom: 30px;
}

.txt_area.pt71_last {
padding-top: 71px;
padding-bottom:0px;
}

.txt_area .txt_area_title {
color: #015db2;
font-size: 16px;
font-weight: bold;
margin-bottom: 20px;
}
.txt_area .txt_area_title img {
width: 5px;
height: 2px;
margin-right: 12px;
vertical-align: middle;
}
.txt_area p {
font-size: 14px;
line-height: 28px;
}
.txt_area p.mb_exc {
margin-bottom: 68px;
}
.txt_area p.mb_exc_02 {
margin-bottom: 71px;
}
.txt_area p.mb_exc_03 {
margin-bottom: 3px;
}
.txt_area p.mb_exc_04 {
margin-bottom: 74px;
}
.txt_area p+.txt_area_title {
margin-top: 40px;
}
.txt_area p+p {
margin-top: 26px;
}
.txt_area img.right,
.txt_area img.left {padding-top: 7px;}
.txt_area img.right	{margin: 0 0 23px 40px;}
.txt_area img.left	{margin: 0 40px 23px 0;}
.dotted_line {
border-bottom: 1px dotted #015db2;
padding-bottom: 55px;
}
.line_01 {
font-weight: bold;
background-image: url(../images/bg_span.png);
background-repeat: repeat-x;
background-position: 0 bottom;
}
.expansion_button,.img_sp {
	display: none;
}

.pager{margin-top:80px; border-top:#ccdff0 1px solid;}
.pager div{width:980px; margin:0 auto;}
.pager div._pc{display:block;}
.pager p.prev{float:left; margin:0; position:relative; top:-1px;}
.pager p.next{float:right; margin:0; text-align:right; position:relative; top:-1px;}
.pager p a{background:#fff; text-decoration:none; font-size:14px; line-height:1.5; display:block; width:240px; padding:23px 30px; box-sizing:border-box; border:#ccdff0 1px solid;}
.pager p a .episode{color:#9a9a9a;}
.pager p a .title{font-size:18px; color:#015db2;}
.pager p a:hover{background:#015db2;}
.pager p a:hover .episode{color:#7a9ccd;}
.pager p a:hover .title{color:#fff}
.pager p.prev a .arrow{background: url(../images/img_arrow_left.png) 0 50% no-repeat; display:block; padding-left:15px;}
.pager p.next a .arrow{background: url(../images/img_arrow_right.png) 100% 50% no-repeat; display:block; padding-right:15px;}
.pager p.prev a:hover .arrow{background: url(../images/img_arrow_left_hover.png) 0 50% no-repeat;}
.pager p.next a:hover .arrow{background: url(../images/img_arrow_right_hover.png) 100% 50% no-repeat;}

._note{color:#9a9a9a; font-size:12px;}
._image_list{}
._image_list li{width:286px; margin-right:21px; float:left;}
._image_list li:nth-last-child(1){margin-right:0;}



/* ------------------------レスポンシブ------------------------ */
@media screen and (max-width: 764px){
._pc{display:none;}
._sp{display:inline-block;}
.tab_content{margin-top:30px;}
.content{
margin: 44px auto 83px;
}
.content h1{
margin-bottom: 23px;
}
.content h1 img{
width: 170px;
}
.content h2{
font-size: 15px;
margin: 0 20px 42px;
line-height: 24px;
}
.img_area {
margin-bottom: 40px;
}
.img_area_Inr {
padding: 40px 0;
height: auto;
}
.img_area_Inr .bg_01 {
top: -50px;
}
.img_area_Inr .bg_01 img {
width: 100%;
height: auto;
display: block;
position: relative;
left: 0;
}
.img_area_Inr .title {
font-size: 10px;
margin: 0 20px 20px;
padding: 10px;
width: auto;
}
.img_area_Inr .title strong {
font-size: 15px;
}
.img_area_Inr p {
width: auto;
font-size: 12px;
line-height: 24px;
margin: 0 20px;
}
.txt_area {
width: auto;
margin: 0 20px;
}
.txt_area.pt61 {
padding-top: 28px;
padding-bottom: 24px;
}

.txt_area.pt61_last {
padding-top: 28px;
padding-bottom:0x;
}

.txt_area.pt76 {
padding-top: 30px;
padding-bottom: 28px;
}
.txt_area.pt71 {
padding-top: 31px;
}

.txt_area.pt71_last {
padding-top: 31px;
padding-bottom:0;
}

.txt_area .txt_area_title {
font-size: 14px;
line-height: 22px;
margin-bottom: 10px;
}
.txt_area p {
font-size: 12px;
line-height: 24px;
}
.txt_area p+.txt_area_title {
margin-top: 20px;
}
.txt_area img.right {
width: 42%;
margin: 0 0 8% 5%;
}
.txt_area img.left {
width: 42%;
margin: 0 5% 2% 0;
}
.dotted_line {
padding-bottom: 30px;
}
.txt_area p.mb_exc {
margin-bottom: 0;
}
.txt_area p.mb_exc_02 {
margin-bottom: 44px;
}
.txt_area p.mb_exc_04 {
margin-bottom: 0;
}
.challenge_textarea_img img {
width: 100%;
}
.tab_area {
	width: 100%;
	margin: 0 auto;
	padding: 0 2.5%;
}
.tab_area ._pc{display:none;}
.tab_area ._sp{display:block;}
.tab_area ul {
	width: 100%;
}
.tab_area > ul > li {
	width: 30%;
	float: left;
	margin-right:2.5%;
}
.tab_area > ul > li:nth-last-child(1){
	margin-right:0;
}
.tab_area > ul > li a {
	width: 100%;
}
.tab_area ul li p {
	font-size: 12px;
	line-height:16px;
}

.img_pc {
	display: none;
}
.expansion_button, .img_sp {
	display: block;
}
.expansion_button a {
	width: 90%;
	background: #015db2;
	color: #fff;
	text-align: center;
	text-decoration: none;
	font-size: 20px;
	margin: 10px auto;
	padding: 20px 0;
	display: block;
}

.pager{margin-top:40px; border:none;}
.pager div{width:100%; margin:0 auto 5px auto; padding:0 20px; box-sizing:border-box; border-top:#ccdff0 1px solid; border-bottom:#ccdff0 1px solid;}
.pager div._pc{display:none;}
.pager div._sp{display:block;}
.pager p.prev{float:left; margin:0; position:relative; top:0; width:50%; box-sizing:border-box; border-right:#ccdff0 1px solid;}
.pager p.next{float:right; margin:0; text-align:right; position:relative; top:0; width:50%; box-sizing:border-box;}
.pager p a{background:#fff; text-decoration:none; font-size:12px; line-height:0.7; display:block; width:auto; padding:18px 0px 20px 0px; box-sizing:border-box; border:none;}
.pager p a .episode{color:#9a9a9a;}
.pager p.prev a .episode span{transform:scale(0.8); display:block; margin-left:-10%; text-align:left;}
.pager p.next a .episode span{transform:scale(0.8); display:block; margin-right:-10%; text-align:right;}
.pager p a .title{font-size:12px; color:#015db2;}
.pager p a:hover{background:#fff;}
.pager p a:hover .episode{color:#9a9a9a;}
.pager p a:hover .title{color:#015db2;}
.pager p.prev a .arrow{background: url(../images/img_arrow_sp_left.png) 0 50% no-repeat; display:block; padding-left:15px; background-size:4px 8px;}
.pager p.next a .arrow{background: url(../images/img_arrow_sp_right.png) 100% 50% no-repeat; display:block; padding-right:15px;  background-size:4px 8px;}
.pager p.prev a:hover .arrow{background: url(../images/img_arrow_sp_left.png) #fff 0 50% no-repeat; background-size:4px 8px;}
.pager p.next a:hover .arrow{background: url(../images/img_arrow_sp_right.png) #fff 100% 50% no-repeat;  background-size:4px 8px;}

._image_list{}
._image_list li{width:47%; margin-right:6%; margin-bottom:20px; float:left;}
._image_list li:nth-child(2){width:47%; margin-right:0;}
._image_list li:nth-last-child(1){width:100%; margin-right:0; margin-bottom:0;}


}/* ------------------------レスポンシブ -end- ------------------------*/