*{
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}
#dummy-header{
	width: 100%;
	height: 100px;
}

/**********************************************************************/
/* header form
/**********************************************************************/
header{
	width: 100%;
	height: 100px;
	position: fixed;
	display: flex;
	justify-content: center;
	align-items: center;
	z-index: 9999;
	box-shadow: 1px 1px 5px #333333;
}
#main-header{
	width: 100%;
	background-color: #b8e6f5;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}
.main-inner{
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: flex-start;
	align-items: center;

}
#header-logo{
	height: 100%;
	margin-left: 10px;
}
#header-logo a{
	width: 100%;
	height: 100%;
}
#header-logo a img{
	height: 100%;
}
.header-title{
	width: 100%;
	height: 100%;
	margin-left: 30px;
}
#title{
	width: 100%;
	height: 60%;
	font-size: 30px;
	font-weight: 600;
	display: flex;
	align-items: center;
}
@media screen and (max-width: 1199px) {
	#title{
		font-size: 24px;
	}
}
@media screen and (max-width: 787px) {
	#title{
		font-size: 18px;
	}
}
#header-link-list{
	width: 100%;
	height: 40%;
	display: flex;
	justify-content: left;
	align-items: center;
}

/*************************************************************/
/* ヘッダーメニュー
/*************************************************************/
.rule-btn{
	color: #1a1311;
	font-size: 16px;
	font-weight: 900;
	white-space: nowrap;
	cursor : pointer;
	margin-right: 20px;
	padding: 3px 1px;
	padding-right: 10px;

	border: 1px solid #1a1311;
	border-radius: 18px;
	display: flex;
	justify-content: center;


	transition: all .3s ease;
}
.rule-btn i{
	font-size: 24px;
}
.rule-btn:hover{
	
	color: white;
	background-color: #1a1311;
}

#current-quiz-number{
	margin: 0 10px;
}

#high-score-number{
	margin: 0 10px;

}

/*************************************************************/
/* rule-slide-menu
/*************************************************************/
.rule-slide-menu{
	position: absolute;
	width: 100vw;
	height: 400px;
	top: -1000px;
	left: 0;
	background-color: #c4c4c4;
	z-index: 1000;
	overflow-y: scroll;
	box-shadow: 1px 1px 5px #333333;

	display: flex;
	transition: top 0.3s ease-in-out;
}

.rule-slide-menu.active{
	top: 100px;
}

.rule-text{
	width: clac(100% - 160px);
	height: 100%;
	display: flex;
	flex-direction: column;
	margin: 20px 80px;
}
.rule-text h1{
	font-size: 24px;
}
.rule-text p{
	font-size: 16px;
	margin: 10px 0;
}
.rule-text ol{
	padding: 0px 25px;
}
.rule-text ul{
	padding: 10px 40px;
}

@media screen and (max-width: 787px) {

	.rule-slide-menu{
		height: 600px;
	}
	.rule-text{
		margin: 0 30px;
	}
}
/**********************************************************************/
/* main form
/**********************************************************************/
#bg {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100lvh;	/* ここにlvhを使うのがミソ */
	object-fit: cover;
	opacity: 0.5;
	z-index: -1;
}
#quiz-form{
	width: 100%;
	padding: 10px 40px;
	
	display: flex;
	flex-direction: column;
	align-items: center;
}


/**********************************************************************/
/* cards-form
/**********************************************************************/
#cards-form{
	width: 100%;
	max-width: 1200px;
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	grid-template-rows: repeat(2, 120px);
	gap: 15px;
}
.card{
	width: 210px;
	height: 120px;
	margin: 0 auto;
	color: white;
	font-size: 20px;
	background-color: none;
	cursor : pointer;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	transition: all 1.0s ease;
}
.card .question-image{
	width: 100%;
}
.revealed{
	cursor : default;
}
.cardface {
	position: absolute;
	top: 0;
	left: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: 100%;
	transition: transform 1.0s;
	backface-visibility: hidden;
}
.front{
	transform: none;
}
.revealed .front{
	transform: rotateY(180deg);
}
.back{
	transform: rotateY(180deg);
	color: #333333;
	background-color: #eeeeee;
}
.revealed .back{
	transform: rotateY(360deg);
}
@media screen and (max-width: 1199px) {

	#cards-form{
		grid-template-columns: repeat(4, 1fr);
		grid-template-rows: repeat(3, 120px);
		gap: 10px;
		max-width: 900px;
	}
	.card{
		font-size: 18px;
		width: 210px;
		height: 120px;
	}
}
@media screen and (max-width: 999px) {

	#cards-form{
		grid-template-columns: repeat(3, 1fr);
		grid-template-rows: repeat(4, 100px);
		gap: 10px;
		max-width: 600px;
	}
	.card{
		font-size: 18px;
		width: 175px;
		height: 100px;
	}
}
@media screen and (max-width: 787px) {
	#cards-form{
		grid-template-columns: repeat(2, 1fr);
		grid-template-rows: repeat(5, 80px);
		gap: 5px;
		max-width: 380px;
	}
	.card{
		font-size: 16px;
		width: 140px;
		height: 80px;
	}
}
/**********************************************************************/
/* score-form
/**********************************************************************/
#score-form{
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
#score-board{
	font-size: 24px;
	margin: 10px 0;
}
#share-links{
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}

#screenshot-btn,
#X-share-btn,
#Mi-share-btn{
	display: block;
	cursor : pointer;
	text-decoration: none;
	text-align: center;
	width: 150px;
}
#screenshot-btn{
	color: black;
	background-color: #b8e6f5;
}
#X-share-btn{
	color: white;
	background-color: black;
}
#Mi-share-btn{
	color: white;
	background-color: #90cf0f;
}
/**********************************************************************/
/* input-form
/**********************************************************************/
#input-form{
	width: 100%;
	margin-top: 30px;
	display: flex;
	justify-content: center;
	align-items: center;

}
#answer-input{
	padding: 5px;
}
.ts-control {
	min-height: auto;
	height: 52px; /* 入力エリアの縦幅を固定または変更 */
	padding: 0 !important;
}
.ts-wrapper {
	width: 400px;
}
.ts-dropdown-content {
	max-height: 400px !important; /* お好みの縦幅に変更してください */
}

.ts-dropdown-content > .option {
	font-size: 1rem;
}

.choices{
	width: 100%;
	height: 100%;
	display: flex !important;
	align-items: center;
	font-size: 16px;
}
.choices img{
	width: 50px;
	margin-right: 5px;
}
#submit-btn{
	width: 5rem;
	height: 52px;
}


/**********************************************************************/
/* result-form
/**********************************************************************/
#result-form{
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
#result1,
#result2{
	text-align: center;
}
#result1{
	font-size: 18px;
}
#result2{
	font-size: 16px;
}

#result-image{
	width: 40%;
}
@media screen and (max-width: 1199px) {
	#result-image{
		width: 60%;
	}
}
@media screen and (max-width: 787px) {
	#result-image{
		width: 80%;
	}
}