@charset "utf-8";

:root {
	--mc: #d8ff00;
	--mtc: #fff;
	--mbc: #000;
	--sbc: rgba(0,0,0,0.7);
	--ltc: #00a8ff;
	--hc: #004eff;
}

body{
	font-family: "Noto Sans JP", sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-size: var(--fs-base);
	line-height: 1.4;
	color: var(--mtc);
	position: relative;
	font-feature-settings: "palt";
}


header .innerBox{
	width: 100%;
}
header h1{
	background: var(--sbc);
}
header .innerBox > picture{
	background: var(--mbc);
}

h1 .visuallyHidden{
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	border: 0;
	clip: rect(0 0 0 0);
	overflow: hidden;
}

.innerBox{
	padding: var(--mrg-sec) 0;
}
section:nth-of-type(1){
	background: var(--mbc);
}
section:nth-of-type(even){
	background: -webkit-linear-gradient(left, rgba(43,43,43,1) 0%, rgba(19,20,30,1) 100%);
	background: -o-linear-gradient(left, rgba(43,43,43,1) 0%, rgba(19,20,30,1) 100%);
	background: linear-gradient(to right, rgba(43,43,43,1) 0%, rgba(19,20,30,1) 100%);
}
section:nth-of-type(odd):not(section:nth-of-type(1)){
	padding: var(--mrg-sec) 0;
}
section:nth-of-type(odd):not(section:nth-of-type(1)) .innerBox{
	background: var(--sbc);
	padding: var(--mrg-sec) var(--mrg-sec2);
}

picture{
	display: block;
}
.ttBase{
	text-align: center;
}
h2{
	font-size: var(--fs-tt);
	margin: 0 auto var(--mrg-sub) auto;
	text-align: center;
	color: var(--mc);
	font-weight: bold;
}

.readArea h2{
	color: var(--mtc);
}
.readArea p{
	text-align: center;
}

.submitBtn a{
	display: block;
	background: var(--mc);
	border: 1px solid var(--mbc);
	text-align: center;
	color: var(--mbc);
	font-size: var(--btn-fs);
	font-weight: 500;
	text-decoration: none;
	border-radius: 8px;
	padding: 0.5em 0;
}
.submitBtn a:hover{
	color: var(--mbc);
	opacity: 0.8;
}
.viewBtn a{
	display: block;
	background: var(--mbc);
	border: 1px solid var(--mtc);
	text-align: center;
	color: var(--sub-color);
	font-size: var(--btn-fs);
	font-weight: 500;
	text-decoration: none;
	border-radius: 8px;
	padding: 0.5em 0;
}
.viewBtn a:hover{
	color: var(--mtc);
	opacity: 0.8;
}
.submitBtn,.viewBtn{
	margin: var(--mrg-sub) auto;
}

article > h3{
	font-size: var(--fs-xl);
	color: var(--mc);
	margin-bottom: var(--mrg-sub2);
}
	
.speakersArea article{
	border-bottom: 1px solid var(--mtc);
	margin-bottom: var(--mrg-sec2);
}
.speakersArea article:last-of-type{
	border-bottom: 0;
	margin-bottom: 0;
}
.speakersArea ul h4{
	font-size: var(--fs-xl);
}
.speakersArea ul h4 + p{
	font-size: var(--fs-s);
	margin: 5px 0;
}

.timetableArea ul li{
	border: 1px solid var(--mtc);
	margin-bottom: var(--mrg-sub2);
	background-color: var(--mbc);
	padding: var(--mrg-sub2);
	gap: var(--mrg-sub2);
}
.ttContentBox:has(> picture){
	display: flex;
	justify-content: flex-start;
	gap: var(--mrg-sub2);
	align-items: center;
}
.ttContentBox > picture + div{
	align-self: center;
}
.ttContentBox picture img{
	width: 100%;
	height: auto;
}
.ttContentBox .ttContentBox{
	border: 1px solid var(--mtc);
	padding: var(--mrg-sub2);
	background-color: #2d2d2d;
}
.ttContentBox .ttContentBox:not(.ttContentBox .ttContentBox:last-of-type){
	margin-bottom: var(--mrg-sub2);
}

.ttSession + div{
	display: flex;
	gap: var(-mrg-sub2);
	margin-top: var(--mrg-sub2);

}



.thumbBox img{
	width: 100%;
	height: auto;
	border: 1px solid var(--main-bdc);
}
.thumbBox a img{
	transition: 0.3s;
}
.thumbBox a img:hover{
	transform: scale(1.03);
	transition: 0.3s;
}

.youtubeArea{
	margin: 0 auto;
}
.youtubeArea .innerBox > div{
	margin: 0 auto;
}
.youtubeBox,.youtubeArea .innerBox > div{
	max-width: 960px;
	width: 100%;
	aspect-ratio: 16 / 9;
	margin: 0 auto;
	background: #000;
}
.youtubeBox iframe{
	width: 100%;
	height: 100%;
}
.youtubeBox img{
	width: 100%;
	height: auto;
}


.numList{
	list-style: decimal;
	list-style-position: outside;
	margin-left: 1.5em;
}
.discList{
	list-style: disc;
	list-style-position: outside;
	margin-left: 1.5em;
}
.qaBox dt{
	background: var(--mbc);
	color: var(--mtc);
	border: 1px solid var(--mtc);
	font-weight: normal;
	padding: 10px 20px;
	margin-top: 10px;
	cursor: pointer;
}
.qaBox dd{
	display: none;
	font-weight: normal;
	padding: 20px;
}
.qaBox + p{font-weight: normal;}

.highlight{color: var(--mc);}

footer{
	text-align: center;
	font-weight: normal;
	font-size: var(--fs-s);
	padding: 20px;
	background-color: var(--mbc);
}
a{
	color: var(--ltc);
	text-decoration: underline;
	transition: 0.3s;
}
a:hover{
	color: var(--hc);
	transition: 0.3s;

}
img{
	vertical-align: bottom;
}


/* --------------------------------------------------
	PC
-------------------------------------------------- */
@media screen and (min-width:749px){

	:root {
		--fs-base: 18px;
		--fs-tt: 30px;
		--fs-xl: 30px;
		--fs-l: 22px;
		--fs-s: 14px;
		--btn-fs: 20px;
		--mrg-sec: 80px;
		--mrg-sec2: 50px;
		--mrg-sub: 30px;
		--mrg-sub2: 20px;
	}

	.wrap{
		width: 100%;
		min-width: 1100px;
		background: url("../img/bg2.png") repeat, url("../img/bg.jpg") no-repeat;
		background-size: auto auto, auto auto;
		background-position: left top, center top;
		background-attachment: fixed, fixed;
	}

	header .innerBox{
		display: flex;
		align-items: stretch;
		justify-content: center;
	}
	header img{
		width: auto;
		height: auto;
		max-width: 100%;
	}
	header .innerBox > *{
		padding: 40px 0;
		text-align: center;
	}
	header h1{
		flex: 0 0 760px;
		background: var(--sbc);
	}
	header .innerBox > picture{
		flex: 0 0 340px;
		background: var(--mbc);
	}
	@media screen and (max-width:1100px){
		header h1{
			flex: 0 0 calc((760 / 1100) * 100%);
		}
		header .innerBox > picture{
			flex: 0 0 calc((340 / 1100) * 100%);
		}
	}

	.innerBox{
		width: 1100px;
		box-sizing: border-box;
		margin: 0 auto;
	}

	.speakersArea ul li{
		display: flex;
		gap: var(--mrg-sub2);
		margin-bottom: var(--mrg-sec2);
	}
	.speakersArea ul li picture{
		flex: 0 0 220px;
	}
	.speakersArea ul li picture img{
		width: 100%;
		height: auto;
	}

	.timetableArea ul li{
		display: flex;
	}
	.timetableArea ul li time{
		flex: 0 0 6em;
		text-align: center;
	}
	.ttContentBox{
		flex: 1;
	}
	.ttContentBox > picture{
		flex: 0 0 120px;
	}
	.ttSession{
		font-size: var(--fs-l);
		font-weight: bold;
	}
	.spListBox > picture{
		flex: 0 0 80px !important;
	}


	.submitBtn,.viewBtn{
		width: 600px;
		margin: var(--mrg-sub) auto;
	}

	.tableBox{
		width: 100%;
		display: table;
		border-left: 1px solid var(--mtc);
		border-bottom: 1px solid var(--mtc);
		font-weight: normal;
		margin: 0 auto;
	}
	.tableBox > div{
		display: table-row;
	}
	.tableBox > div > div{
		display: table-cell;
		padding: 15px 20px;
		vertical-align: middle;
		border-top: 1px solid var(--mtc);
		border-right: 1px solid  var(--mtc);
	}
	.tableBox > div > div:first-of-type{
		font-weight: 600;
	}
	.tableBox > div > div{
		background-color: var(--mbc);
	}
	.pcNone{display: none;}
}

/* --------------------------------------------------
	スマホ
-------------------------------------------------- */
@media screen and (max-width : 748px){

	:root {
		--fs-base: 16px;
		--fs-tt: 30px;
		--fs-xl: 24px;
		--fs-l: 22px;
		--fs-s: 14px;
		--btn-fs: 18px;
		--mrg-sec: 50px;
		--mrg-sec2: 30px;
		--mrg-sub: 20px;
		--mrg-sub2: 15px;
	}

	.wrap{
		position: relative;
		z-index: 1;
	}
	.wrap::before,.wrap::after{
		position: fixed;
		width: 100%;
		height: 100vh;
		display: block;
		content: " ";
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
	}
	.wrap::before{
		background: url("../img/bg.jpg") no-repeat 20% top;
		background-size: cover;
		z-index: -2;
	}
	.wrap::after{
		background: url("../img/bg2.png") repeat;
		z-index: -1;
	}
	header{
		position: relative;
	}
	header .innerBox{
		padding: var(--mrg-sub);
	}

	header h1{
		background: none;
	}
	picture img{
		width: 100%;
		height: auto;
	}

	.innerBox{
		padding: var(--mrg-sec2) var(--mrg-sub2);
		margin: 0 auto;
		box-sizing: border-box;
	}
	section:nth-of-type(odd):not(section:nth-of-type(1)) .innerBox{
		margin: 0 10px;
		padding: var(--mrg-sec2) var(--mrg-sub2);
	}

	.btn{
		width: 100%;
		margin: var(--m-base) auto 0;
	}

	.speakersArea ul li{
		margin-bottom: var(--mrg-sec2);
		border-bottom: 1px dashed var(--mtc);
		padding-bottom:  var(--mrg-sec2);
	}
	.speakersArea ul li:last-of-type{
		border: 0;
		padding-bottom: 0;
	}
	.speakersArea ul li picture{
		width: 50%;
		margin: 0 auto var(--mrg-sub2);
	}
	.ttContentBox:has(> picture){
		margin-top: 10px;
	}
	.ttSession{
		font-weight: bold;
	}
	.ttContentBox > picture{
		flex: 0 0 80px;
	}
	.timetableArea ul li time{
		display: block;
		text-align: center;
		border-bottom: 1px dashed var(--mtc);
		padding-bottom: 10px;
		margin-bottom: 10px;
	}

	.aboutPremiunMemberBox{
		margin-top: var(--m-base);
		padding: var(--p-base);
		background: #fff;
		border-radius: var(--brd-r);
	}
	.aboutPremiunMemberBox > div:first-of-type{
		margin-bottom: var(--p-base);
	}
	.aboutPremiunMemberBox > div img{
		width: 100%;
		height: auto;
	}

	.tableBox{
		border-bottom: 1px solid var(--mtc);
		border-left: 1px solid var(--mtc);
	}
	.tableBox > div > div{
		padding: 10px 20px;
		vertical-align: middle;
		border-top: 1px solid var(--mtc);
		border-right: 1px solid var(--mtc);
	}
	.tableBox > div > div:first-of-type{
		text-align: center;
		background: var(--mbc);

	}
	.smpNone{
		display: none;
	}
}

/* --------------------------------------------------
	Wide use
-------------------------------------------------- */
/* ボーダークラス */
.brdNone{border:none;}

.mt1em{margin-top: 1em;}
/* 余白クラス */
.mt0{margin-top:0;}
.mt5{margin-top:5px;}
.mt10{margin-top:10px;}
.mt15{margin-top:15px;}
.mt20{margin-top:20px;}
.mt30{margin-top:30px;}
.mt40{margin-top:40px;}
.mt50{margin-top:50px;}
.mt60{margin-top:60px;}
.mt70{margin-top:70px;}
.mt80{margin-top:80px;}
.mt90{margin-top:90px;}
.mt100{margin-top:100px;}
.mt1em{margin-top:1.4em;}

.mr0{margin-right:0;}
.mr5{margin-right:5px;}
.mr10{margin-right:10px;}
.mr15{margin-right:15px;}
.mr20{margin-right:20px;}
.mr30{margin-right:30px;}
.mr40{margin-right:40px;}
.mr50{margin-right:50px;}
.mr60{margin-right:60px;}
.mr70{margin-right:70px;}
.mr80{margin-right:80px;}
.mr90{margin-right:90px;}
.mr100{margin-right:100px;}

.mb0{margin-bottom:0;}
.mb5{margin-bottom:5px;}
.mb10{margin-bottom:10px;}
.mb15{margin-bottom:15px;}
.mb20{margin-bottom:20px;}
.mb30{margin-bottom:30px;}
.mb40{margin-bottom:40px;}
.mb50{margin-bottom:50px;}
.mb60{margin-bottom:60px;}
.mb70{margin-bottom:70px;}
.mb80{margin-bottom:80px;}
.mb90{margin-bottom:90px;}
.mb100{margin-bottom:100px;}

.ml0{margin-left:0;}
.ml5{margin-left:5px;}
.ml10{margin-left:10px;}
.ml15{margin-left:15px;}
.ml20{margin-left:20px;}
.ml30{margin-left:30px;}
.ml40{margin-left:40px;}
.ml50{margin-left:50px;}
.ml60{margin-left:60px;}
.ml70{margin-left:70px;}
.ml80{margin-left:80px;}
.ml90{margin-left:90px;}
.ml100{margin-left:100px;}

.mtb0{margin-top:0;margin-bottom:0;}
.mtb5{margin-top:5px;margin-bottom:5px;}
.mtb10{margin-top:10px;margin-bottom:10px;}
.mtb15{margin-top:15px;margin-bottom:15px;}
.mtb20{margin-top:20px;margin-bottom:20px;}
.mtb30{margin-top:30px;margin-bottom:30px;}
.mtb40{margin-top:40px;margin-bottom:40px;}
.mtb50{margin-top:50px;margin-bottom:50px;}
.mtb60{margin-top:60px;margin-bottom:60px;}
.mtb70{margin-top:70px;margin-bottom:70px;}
.mtb80{margin-top:80px;margin-bottom:80px;}
.mtb90{margin-top:90px;margin-bottom:90px;}
.mtb100{margin-top:100px;margin-bottom:100px;}

.mrl0{margin-right:0;margin-left:0;}
.mrl5{margin-right:5px;margin-left:5px;}
.mrl10{margin-right:10px;margin-left:10px;}
.mrl15{margin-right:15px;margin-left:15px;}
.mrl20{margin-right:20px;margin-left:20px;}
.mrl30{margin-right:30px;margin-left:30px;}
.mrl40{margin-right:40px;margin-left:40px;}
.mrl50{margin-right:50px;margin-left:50px;}
.mrl60{margin-right:60px;margin-left:60px;}
.mrl70{margin-right:70px;margin-left:70px;}
.mrl80{margin-right:80px;margin-left:80px;}
.mrl90{margin-right:90px;margin-left:90px;}
.mrl100{margin-right:100px;margin-left:100px;}

.ma0{margin:0 0 0 0;}
.ma5{margin:5px 5px 5px 5px;}
.ma10{margin:10px 10px 10px 10px;}
.ma15{margin:15px 15px 15px 15px;}
.ma20{margin:20px 20px 20px 20px;}
.ma30{margin:30px 30px 30px 30px;}
.ma40{margin:40px 40px 40px 40px;}
.ma50{margin:50px 50px 50px 50px;}
.ma60{margin:60px 60px 60px 60px;}
.ma70{margin:70px 70px 70px 70px;}
.ma80{margin:80px 80px 80px 80px;}
.ma90{margin:90px 90px 90px 90px;}
.ma100{margin:100px 100px 100px 100px;}

.pt0{padding-top:0;}
.pt5{padding-top:5px;}
.pt10{padding-top:10px;}
.pt15{padding-top:15px;}
.pt20{padding-top:20px;}
.pt30{padding-top:30px;}
.pt40{padding-top:40px;}
.pt50{padding-top:50px;}
.pt60{padding-top:60px;}
.pt70{padding-top:70px;}
.pt80{padding-top:80px;}
.pt90{padding-top:90px;}
.pt100{padding-top:100px;}

.pr0{padding-right:0;}
.pr5{padding-right:5px;}
.pr10{padding-right:10px;}
.pr15{padding-right:15px;}
.pr20{padding-right:20px;}
.pr30{padding-right:30px;}
.pr40{padding-right:40px;}
.pr50{padding-right:50px;}
.pr60{padding-right:60px;}
.pr70{padding-right:70px;}
.pr80{padding-right:80px;}
.pr90{padding-right:90px;}
.pr100{padding-right:100px;}

.pb0{padding-bottom:0;}
.pb5{padding-bottom:5px;}
.pb10{padding-bottom:10px;}
.pb15{padding-bottom:15px;}
.pb20{padding-bottom:20px;}
.pb30{padding-bottom:30px;}
.pb40{padding-bottom:40px;}
.pb50{padding-bottom:50px;}
.pb60{padding-bottom:60px;}
.pb70{padding-bottom:70px;}
.pb80{padding-bottom:80px;}
.pb90{padding-bottom:90px;}
.pb100{padding-bottom:100px;}

.pl0{padding-left:0;}
.pl5{padding-left:5px;}
.pl10{padding-left:10px;}
.pl15{padding-left:15px;}
.pl20{padding-left:20px;}
.pl30{padding-left:30px;}
.pl40{padding-left:40px;}
.pl50{padding-left:50px;}
.pl60{padding-left:60px;}
.pl70{padding-left:70px;}
.pl80{padding-left:80px;}
.pl90{padding-left:90px;}
.pl100{padding-left:100px;}

.ptb0{padding-top:0;padding-bottom:0;}
.ptb5{padding-top:5px;padding-bottom:5px;}
.ptb10{padding-top:10px;padding-bottom:10px;}
.ptb15{padding-top:15px;padding-bottom:15px;}
.ptb20{padding-top:20px;padding-bottom:20px;}
.ptb30{padding-top:30px;padding-bottom:30px;}
.ptb40{padding-top:40px;padding-bottom:40px;}
.ptb50{padding-top:50px;padding-bottom:50px;}
.ptb60{padding-top:60px;padding-bottom:60px;}
.ptb70{padding-top:70px;padding-bottom:70px;}
.ptb80{padding-top:80px;padding-bottom:80px;}
.ptb90{padding-top:90px;padding-bottom:90px;}
.ptb100{padding-top:100px;padding-bottom:100px;}

.prl0{padding-right:0;padding-left:0;}
.prl5{padding-right:5px;padding-left:5px;}
.prl10{padding-right:10px;padding-left:10px;}
.prl15{padding-right:15px;padding-left:15px;}
.prl20{padding-right:20px;padding-left:20px;}
.prl30{padding-right:30px;padding-left:30px;}
.prl40{padding-right:40px;padding-left:40px;}
.prl50{padding-right:50px;padding-left:50px;}
.prl60{padding-right:60px;padding-left:60px;}
.prl70{padding-right:70px;padding-left:70px;}
.prl80{padding-right:80px;padding-left:80px;}
.prl90{padding-right:90px;padding-left:90px;}
.prl100{padding-right:100px;padding-left:100px;}

.pa0{padding:0 0 0 0;}
.pa5{padding:5px 5px 5px 5px;}
.pa10{padding:10px 10px 10px 10px;}
.pa15{padding:15px 15px 15px 15px;}
.pa20{padding:20px 20px 20px 20px;}
.pa30{padding:30px 30px 30px 30px;}
.pa40{padding:40px 40px 40px 40px;}
.pa50{padding:50px 50px 50px 50px;}
.pa60{padding:60px 60px 60px 60px;}
.pa70{padding:70px 70px 70px 70px;}
.pa80{padding:80px 80px 80px 80px;}
.pa90{padding:90px 90px 90px 90px;}
.pa100{padding:100px 100px 100px 100px;}

/* フォントクラス */
.bTxt{font-weight:bold;}
.uTxt{text-decoration:underline;}
.linkTxt{color:#069;text-decoration:underline;}
.redTxt{color:#e00;}
.blueTxt{color:#069;}
.grayTxt{color:#333;}
.lGrayTxt{color:#999;}
.ulGrayTxt{color:#ccc;}

.sTxt{font-size:0.85em;}
.xsTxt{font-size:0.78em;}
.xxsTxt{font-size:0.71em;}
.lTxt{font-size:1.14em;}
.xlTxt{font-size:1.28em;}
.xxlTxt{font-size:1.42em;}
.xxxlTxt{font-size:1.57em;}

.mark{
	text-indent:-1em;
	margin-left:1em;
}

/* アライン設定 */
.alTxt{text-align:left;}
.acTxt{text-align:center;}
.arTxt{text-align:right;}

/* クリア・フロート */
.flR{float:right;}
.flL{float:left;}
.flC{
	position:relative;
	overflow:hidden;
}
.flC ul{
	position:relative;
	left:50%;
	float:left;
}
.flC ul li{
	position:relative;
	left:-50%;
	float:left;
}

.clearfix{min-height:1px;}
.clearfix:after{
	content:" "; 
	display:block;
	clear:both;
	height:0;
	visibility:hidden;
}
* html .clearfix{
	height:1px;
	/*¥*//*/
	height:auto;
	overflow:hidden;
	/**/
}

.clear{clear:both;}