@charset "utf-8";

:root {
	--mc: #ffd200;
	--sc1: #007c1d;
	--sc2: #f2f1ec;
}


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;
	position: relative;
	font-feature-settings: "palt";
	color: #000;
	background-image: url("../img/bg_top_left.png"),url("../img/bg_top_right.png"),url("../img/bg_bottom_left.png"),url("../img/bg_bottom_right.png");
	background-position: top left, top right, bottom left, bottom right;
	background-repeat: no-repeat;
}

header{
	overflow: hidden;
}
header .innerBox{
	margin: 0 auto;
	text-align: center;
}

.visuallyHidden {
	position: absolute !important;
	width: 1px; 
	height: 0px; 
	padding: 0; 
	margin: -1px; 
	overflow: hidden; 
	clip: rect(0, 0, 0, 0); 
	white-space: nowrap; 
	border: 0;
}

picture{display: block;}
header picture img{
	width: 100%;
	height: auto;
	margin: 0 auto;
}
main{
}
.readArea{background: #fff;}
.innerBox{
	margin: 0 auto;
	padding: var(--mrg-sec);
}

.submitBtn a,
.showBtn a{
	display: block;
	width: var(--btnW);
	padding: 0.5em;
	text-align: center;
	text-decoration: none;
	color: #fff;
	font-size: var(--btn-fs);
	font-weight: 500;
	border-bottom: 5px solid var(--mc);
}

.submitBtn a{
	margin: var(--mrg-m) auto 10px;
	background: var(--sc1);
}

.showBtn a{
	margin: 0 auto;
	background: #000;
}
.submitBtn a:hover,.showBtn a:hover{
	color:var(--mc);
}

.youtubeArea .innerBox{
	margin: 0 auto;
}
.youtubeArea h2{
	max-width: 960px;
	margin: 0 auto;
}
.youtubeArea h2 picture{
	background: var(--mc);
	padding: 10px 20px;
	display: inline-block;
}
.youtubeBox{
	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;
}

.readArea h2{
	font-size: var(--fs-tt);
	color: var(--sc1);
	font-weight: 500;
	position: relative;
	padding-left: 1em;
}
.readArea h2::before{
	display: block;
	content: "";
	width: var(--fs-s);
	height: var(--fs-s);
	background: var(--mc);
	border-radius: calc(var(--fs-base) / 2);
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
}
.readArea h2 + p{
	font-size: var(--fs-l);
	font-weight: 500;
	margin: var(--mrg-m) 0 var(--mrg-xs);
}

h2:not(.readArea h2,.youtubeArea h2){
	text-align: center;
	font-size: var(--fs-tt);
	font-weight: 500;
	margin-bottom: var(--mrg-m);
}
h2 span:not(.readArea h2 span,.youtubeArea h2 span){
	border-bottom: 7px solid var(--mc);
}
.profileArea ul{
	display: flex;
	flex-wrap: wrap;
	gap: var(--mrg-m);
}
.profileArea ul li a{
	display: flex;
	gap: var(--mrg-m);
	border: 1px solid var(--sc1);
	padding: var(--mrg-m);
	border-radius: 10px;
	color: #000;
	text-decoration: none;
}
.profileArea ul li a:hover{
	background: #fffdf2;
}
.profileArea ul li:last-of-type a{
	border: 1px solid var(--mc);

}
.spPhoto{
	flex: 0 0 50%;
}
.spPhoto img{
	width: 100%;
	height: auto;
}

.spProf p:first-of-type{
	font-size: var(--fs-xs);
	color: #fff;
	display: inline-block;
	padding: 3px;	
	background: var(--sc1);
}
.profileArea ul li:last-of-type .spProf p:first-of-type{
	background: var(--mc);
	color: #000;
}
.spProf p:nth-of-type(2){
	font-size: var(--fs-l);
}
.qaBox dt{
	background: var(--sc1);
	color: #fff;
	font-weight: normal;
	padding: 10px 20px;
	margin-top: 10px;
	cursor: pointer;
	border-radius: 5px;
}
.qaBox dd{
	display: none;
	font-weight: normal;
	padding: 20px;
}
.qaBox + p{font-weight: normal;}

.bTxt{
	font-weight: 600;
	color: #000;
}

.sTxt{font-size: var(--fs-s);}
.lTxt{font-size: var(--fs-l);}

footer{
	text-align: center;
	font-weight: normal;
	font-size: var(--fs-s);
	padding: 20px;
	background-color: var(--mc);
	color: #fff;
}
a{
	color: #3564b9;
	text-decoration: underline;
	transition: 0.3s;
}
a:hover{
	color: #39479b;
	transition: 0.3s;
}
img{
	vertical-align: bottom;
}
.mt15{
	margin-top: 15px;
}

.qaBox dt:last-of-type, .qaBox dd:last-of-type{display: none;}

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

	:root {
		--fs-base: 18px;
		--fs-r: 30px;
		--fs-tt: 30px;
		--fs-xl: 28px;
		--fs-l: 24px;
		--fs-m: 16px;
		--fs-s: 15px;
		--fs-xs: 14px;
		--btn-fs: 22px;
		--mrg-sec: 70px 0;
		--mrg-xl: 80px;
		--mrg-l: 50px;
		--mrg-m: 30px;
		--mrg-s: 15px;
		--mrg-xs: 20px;
		--btnW: 500px;
	}
	.wrap{
		width: 100%;
		min-width: 1100px;
		overflow-x: hidden;
	}
	.innerBox{
		width: 1100px;
	}
	header{
	}
	header .innerBox{
		width: 1100px;
		margin: 0 auto;
		padding: 60px 0 30px;
	}
	header h1{
		width: 100%;
		height: auto;
		margin: 0;
		padding: 0;
	}

	.profileArea ul{
		justify-content: center;
	}
	.profileArea ul li{
		flex: 0 0 calc((100% - var(--mrg-m)) / 2);
	}
	

	.dateTxt::after{
		margin-left: 1em;
	}
	.tableBox{
		width: 100%;
		display: table;
		border-left: 1px solid var(--mc);
		border-bottom: 1px solid var(--mc);
		font-weight: normal;
		margin: 0 auto;
		color: var(--mc)
	}
	.tableBox > div{
		display: table-row;
	}
	.tableBox > div > div{
		display: table-cell;
		padding: 15px 20px;
		vertical-align: middle;
		border-top: 1px solid var(--mc);
		border-right: 1px solid  var(--mc);
	}
	.tableBox > div > div:first-of-type{
	}
	.tableBox > div > div:nth-of-type(2){
	}
	.tableBox > div > div:first-of-type{
		text-align: center;
	}

	.pcNone{display: none;}
}

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

	:root {
		--fs-base: 17px;
		--fs-tt: 24px;
		--fs-xl: 20px;
		--fs-l: 20px;
		--fs-m: 15px;
		--fs-s: 14px;
		--fs-xs: 12px;
		--fs-date: 30px;
		--btn-fs: 4.4vw;
		--mrg-xl: 50px;
		--mrg-l: 30px;
		--mrg-m: 20px;
		--mrg-s: 10px;
		--mrg-xs: 20px;
		--btnW: 100%;
		--br: 20px;
		--br-s: 12px;
	}

	body{
		background-size: 30% auto,40% auto,30% auto,40% auto;
	}

	header{
		padding: 0;
	}
	header .innerBox h1{
		display: block;
		width: 100%;
		margin: 0;
		padding: 30px 10px;
	}

	.innerBox:not(header .innerBox){
		padding: 40px 15px;
	}
	
	.youtubeArea h2 picture{
		width: 70%;
		height: auto;
	}
	.youtubeArea h2 picture img{
		width: 100%;
		height: auto;
	}

	.profileArea ul li{
		flex: 0 0 100%;
	}

	.profBox > div:first-of-type{
		width: 50%;
		margin: 0 auto 1em;;
	}
	.speakersTxt:not(:last-of-type){margin-bottom: 5px;}
	.speakersTxt > p{
		display: block !important;
	}

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

	.smpNone{
		display: none;
	}
}