/* =================================
------------------------------------
  Riddle - Portfolio
  Version: 1.0
 ------------------------------------ 
 ====================================*/

/*------------------------
  club メインビジュアル
--------------------------*/
#header-container {
	background-color: #FFF;
}

#club-photo-section {
	top:0;
    left: 0;
	position: fixed;
	display: block;
	height: 800px;
	width: 100%;
	background:url("../img/second/bg-club_2023.jpg")top center no-repeat;
	background-size:cover;
	animation: fadeIn 3.5s ease 0s 1 normal;
    -webkit-animation: fadeIn 3.5s ease 0s 1 normal;
	z-index: -10;!important;
}
@media only screen and (max-width: 750px) {
#club-photo-section {
	top:100px;
	height: 500px;
	background:url("../img/second/bg-club_2023_sp.jpg") no-repeat;
	background-size:contain;
	background-color: #194f9c;
}
}

/*------------------------
  conference-introduction
--------------------------*/
#club-introduction {
	max-width: 1300px;
	width: 98%;
	margin-top:-100px;
	background: #FFFFFF;
	position:relative;
	margin-left: auto;
	margin-right: auto;
	padding-bottom: 30px;
	display: block;
}
@media only screen and (max-width: 750px) {
#club-introduction {
	width: 100%;
}
}
#club-introduction h3 {
	width: 100%;
	padding: 60px 20px 0;
	font-size: 3.0rem;
	line-height: 1.4;
	letter-spacing: 0.07em;
	font-family: yu-mincho-pr6n, sans-serif;
	box-sizing:border-box;/*paddingでwidthを広げない処理*/
}
@media only screen and (max-width: 750px) {
#club-introduction h3 {
	font-size: 1.8rem;
	padding: 40px 5px 10px;
	letter-spacing: 0.07em;
}
}
#club-introduction p {
	padding: 40px 80px 20px;
	font-size: 1.6rem;
	font-family: yu-mincho-pr6n, sans-serif;
	line-height: 2;
}
@media only screen and (max-width: 750px) {
#club-introduction p {
	font-size: 1.3rem;
	padding: 15px 20px 0;
	text-align: left;
	line-height: 1.5;
}
}

/*------------------------
  conference-contents
--------------------------*/

.club-contents-container {
	max-width: 1300px;
	width: 98%;
	background: #FFF;
	margin-left: auto;
	margin-right: auto;
	box-sizing:border-box;/*paddingでwidthを広げない処理*/
	padding: 20px 40px;
}
@media only screen and (max-width: 750px) {
.club-contents-container {
	width: 100%;
	padding: 20px 20px;
}
}
.club-contents-outer {
	width: 100%;
	display: flex;
 	justify-content: center;
 	align-items: top;
}
@media only screen and (max-width: 750px) {
.club-contents-outer {
	flex-direction: column;/*display: flex;を縦並びに*/
}
}
.club-contents-01-left {
	width: 50%;
}
@media only screen and (max-width: 750px) {
.club-contents-01-left {
	width: 100%;
}
}
.club-contents-01-right {
	width: 50%;
	text-align: center;
}
@media only screen and (max-width: 750px) {
.club-contents-01-right {
	width: 100%;
}
}
.sub_ttl-skyblue{
	width: 100%;
}
.sub_ttl-skyblue h3 {
	display: inline-block;
	text-align: center;
	width: 100%;
	height: 120px;
	font-family: yu-mincho-pr6n, sans-serif;
	background: url("../img/common/bg-ttl-skyblue.png") center top no-repeat;
}
.sub_ttl-skyblue h3 span.primary {
	display:inline-block;
	padding-top: 35px;
	font-size: 4.0rem;
	font-family: yu-mincho-pr6n, sans-serif;
	line-height: 1;
	letter-spacing: 0.15em;
	color: #24b0dd;
}
@media only screen and (max-width: 750px) {
.sub_ttl-skyblue h3 span.primary {
	display:block;
	padding-top: 30px;
	font-size: 3.0rem;
}
}
.sub_ttl-skyblue h3 span.secondary {
	display:inline-block;
	font-size: 2.2rem;
	vertical-align:super;
	font-family: yu-mincho-pr6n, sans-serif;
	letter-spacing: 0.1em;
	color: #24b0dd;
}
@media only screen and (max-width: 750px) {
.sub_ttl-skyblue h3 span.secondary {
	display:block;
	font-size: 1.6rem;
}
}
.club-contents-container .columns_2 {
	padding: 30px 50px;
	columns: 2;
 	text-align: left;
	font-family: yu-mincho-pr6n, sans-serif;
}
@media only screen and (max-width: 750px) {
.club-contents-container .columns_2 {
	padding: 10px 0px 30px;
	columns: 2;
	font-size: 1.2rem;
	letter-spacing: -0.02em;
}
}
.club-contents-container .columns_3 {
	padding: 30px;
	columns: 3;
 	text-align: left;
	font-family: yu-mincho-pr6n, sans-serif;
}
@media only screen and (max-width: 750px) {
.club-contents-container .columns_3 {
	padding: 10px 0px 30px;
	columns: 2;
	font-size: 1.2rem;
	letter-spacing: 0.05em;
}
}
.sub_ttl-orange{
	width: 100%;
}
.sub_ttl-orange h3 {
	display: inline-block;
	text-align: center;
	width: 100%;
	height: 120px;
	font-family: yu-mincho-pr6n, sans-serif;
	background: url("../img/common/bg-ttl-orange.png") center top no-repeat;
}
.sub_ttl-orange h3 span.primary {
	display:inline-block;
	padding-top: 35px;
	font-size: 4.0rem;
	font-family: yu-mincho-pr6n, sans-serif;
	line-height: 1;
	letter-spacing: 0.15em;
	color: #e79d33;
}
@media only screen and (max-width: 750px) {
.sub_ttl-orange h3 span.primary {
	display:block;
	padding-top: 30px;
	font-size: 3.0rem;
}
}
.sub_ttl-orange h3 span.secondary {
	display:inline-block;
	font-size: 2.2rem;
	vertical-align:super;
	font-family: yu-mincho-pr6n, sans-serif;
	letter-spacing: 0.1em;
	color: #e79d33;
}
@media only screen and (max-width: 750px) {
.sub_ttl-orange h3 span.secondary {
	display:block;
	font-size: 1.6rem;
}
}
.club-contents-container img{
	display:inline-block;
	width: 100%;
}

.bnr-box{
	width: 30%;
	max-width: 400px;
    display: inline-block;  /* インラインブロック化 */
    vertical-align: top; /* 上に揃える */
    margin: 1em 0.5em;
	animation: fadeIn 2s ease 0s 1 normal;
    -webkit-animation: fadeIn 2s ease 0s 1 normal;
}
.bnr-box img {
	max-width: 100%;
	border:solid #E2E2E2;
	border-width:1px;
	margin-bottom: 0.3em;
}
.bnr-box h4 {
	font-size: 1.2rem;
	color: #0f366d;
	letter-spacing: 0.2em;
}

@media only screen and (max-width: 750px) {
#bnr-section {
	background: #FFFFFF;
	padding: 1em 0 1em;
}
.bnr-box{
	width: 80%;
    margin: 0.3em 0.1em;
	
}
.bnr-box h4 {
	font-size: 1rem;
	letter-spacing: 0em;
}