@charset "UTF-8";

/* oapresent
------------------------------------------ */
.oapresent-area {
	padding: 0 0 110px;
	background: url(../images/oapresent/oapresent-bg.png) repeat center;
	background-size: 250px auto;
	position: relative;
	overflow: hidden;
}
.oapresent-area:before,
.oapresent-area:after {
	content: '';
	display: block;
	height: 0;
	background-size: contain !important;
	position: absolute;
	z-index: 10;
}
.oapresent-area:before {
	width: 75.5%;
	max-width: 1131px;
	padding-top: 73.5%;
	background: url(../images/oapresent/oapresent-illust-01.png) no-repeat top center;
	top: -2%;
	left: 0;
}
.oapresent-area:after {
	width: 23.4%;
	max-width: 350px;
	padding-top: 21.4%;
	background: url(../images/oapresent/oapresent-illust-02.png) no-repeat top center;
	top: 1%;
	right: 1.5%;
}
.oapresent-inner {
	position: relative;
	z-index: 15;
}
.oapresent-inner .d-box-body {
	margin: 0 auto;
	max-width: 840px;
	padding: 40px;
	background-color: #fff;
}
.oapresent-box {
	line-height: 1.86;
	font-size: 1.6rem;
}
.oapresent-box strong {
	font-weight: bold;
}
.oapresent-box .bg-marker {
	background-color: #ffff99;
}


/* oapresent-detail
------------------------------------------ */
.oapresent-detail {}
.oapresent-detail:after { content: ''; display: block; clear: both; }
.oapresent-detail-title {
	width: 100%;
	height: 250px;
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
	font-size: 0;
	text-indent: -9999px;
	overflow: hidden;
	white-space: nowrap;
	margin-bottom: 20px;
}
.oapresent-detail-img {
	width: calc(400 / 760 * 70%);
	max-width: 400px;
	height: 0;
	margin: 0 0 1em 2em;
	padding-top: calc(400 / 760 * 70%);
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
	float: right;
}
.oapresent-detail-text {}
.oapresent-detail-text p {
	margin-bottom: 30px;
}


/* oapresent-quiz
------------------------------------------ */
.oapresent-quiz {
	margin: 80px auto 40px;
}
.oapresent-quiz-alert {
	text-align: center;
	margin-top: 40px;
}
.oapresent-quiz-text {
	text-align: center;
	margin-top: 80px;
	padding: 20px;
	border: 1px solid #ccc;
}

.oapresent-quiz-title {
	font-size: 2rem;
}
.oapresent-quiz-title + .oapresent-quiz-detail {
	margin-top: 10px;
}
.oapresent-quiz-detail {
	text-align: center;
	margin-top: 40px;
}
.oapresent-quiz-detail + .oapresent-quiz-title {
	margin-top: 10px;
}
.oapresent-quiz-entry {
	margin-top: 40px;
}
.oapresent-quiz-entry .d-btn {
	max-width: 300px;
	background-color: #120536;
	border: 1px solid #120536;
	line-height: 1.7;
	letter-spacing: 0;
}
.oapresent-quiz-note {}
.oapresent-quiz-note {
	margin: 40px auto;
}
.oapresent-quiz-note p {
	margin-bottom: 30px;
}

/* backnumber
------------------------------------------ */
.backnumber-area {
	margin-bottom: 20px;
}
.backnumber-area .d-box-body {
	margin: 0 auto;
	padding: 0;
}
.backnumber-num {
	display: none;
	font-family: "UDMinchoPr6N-B";
}
.backnumber-list {
	counter-reset: num;
	font-size: 0;
}
.backnumber-list-item {
	display: inline-block;
	position: relative;
}
.backnumber-list-item a {
	display: block;
	width: 100%;
	height: 100%;
}
.backnumber-list-item.is-current a {
	pointer-events: none;
}
.backnumber-list-item a:after {
	counter-increment: num;
	content: "#" counter(num);
	display: block;
	background-color: #5fb1c9;
	color: #fff;
	padding: 15px 0;
	font-size: 2rem;
	font-family: "UDMinchoPr6N-B";
	line-height: 1;
	letter-spacing: 3px;
	text-align: center;
}
.backnumber-list-item.is-current a:after {
	opacity: 0.6;
}


@media only screen and (min-width: 601px) and (max-width: 992px) {
	.backnumber-area {}
	.backnumber-list-item a:after {
		font-size: 1.7rem;
	}

}

@media only screen and (max-width: 600px) {
	.backnumber-area {
		margin: 9% auto 0;
	}
	.backnumber-area .d-box-body {
		margin: 0 auto;
		padding: 0 !important;
	}
	.backnumber-list {
		font-size: 0;
	}
	.backnumber-list-item {
		width: 18%;
		margin: 0 1%;
	}
	.backnumber-list-item:nth-child(n+5) {
		margin-top: 2%;
	}
}

@media only screen and (min-width: 601px) {
	.backnumber-area {
		padding: 0;
		margin: 80px auto 0;
	}
	.backnumber-list {
		width: 100%;
	}
	.backnumber-list-item {
		width: 9.1%;
	}
	.backnumber-list-item:not(:first-child) {
		margin-left: 1%;
	}
}



/* ---------------------------------
	SP用
--------------------------------- */
@media only screen and (max-width: 600px) {
	/* oapresent
	------------------------------------------ */
	.oapresent-area {}
	.oapresent-inner {}
	.oapresent-inner:before {
		width: 100% !important;
		padding-top: calc(403 / 750 * 100%) !important;
		background-image: url(../images/oapresent/oapresent-illust-01-sp.png) !important; /* same as TOP TOPICS illust */
		bottom: 0.25% !important;
	}
	.oapresent-inner .d-box-body {
		padding: 3% !important;
	}
	.oapresent-box {
	}
	.oapresent-box {
		line-height: 1.86;
		font-size: 1.4rem;
		padding-bottom: 40% !important;
	}

	/* oapresent-detail
	------------------------------------------ */
	.oapresent-detail-title { height: 120px !important; margin-bottom: 6% !important; }
	.oapresent-detail-img {
		width: calc(400 / 760 * 100%);
		height: 0;
		margin: 0 auto;
		padding-top: calc(400 / 760 * 100%);
		float: none;
	}
	.oapresent-detail-text { margin-top: 6% !important; }
	.oapresent-detail-text p { margin-bottom: 6% !important; }


	/* oapresent-quiz
	------------------------------------------ */
	.oapresent-quiz { margin: 12% auto 6%; }
	.oapresent-quiz-alert { margin-top: 6%; }
	.oapresent-quiz-text { margin-top: 12%; padding: 3%; }

	.oapresent-quiz-title { font-size: 2rem; }
	.oapresent-quiz-title + .oapresent-quiz-detail { margin-top: 3%; }
	.oapresent-quiz-detail { margin-top: 6%; }
	.oapresent-quiz-detail + .oapresent-quiz-title { margin-top: 3%; }
	.oapresent-quiz-entry { margin-top: 6%; }
	.oapresent-quiz-entry .d-btn { line-height: 1.7; letter-spacing: 0; }
	.oapresent-quiz-note {}
	.oapresent-quiz-note { margin: 6% auto 9%; }
	.oapresent-quiz-note p { margin-bottom: 6%; }
}



/* ---------------------------------
	SP 〜 tablet（〜992px）
--------------------------------- */
@media screen and (max-width: 992px) {
	/* oapresent
	------------------------------------------ */
	.oapresent-area { padding: 0; }
	.oapresent-area:before {
		width: calc(75.5% * 1.5);
		/* padding-top: calc(73.5% * 1.5); */
		padding-top: 85%; /* for shorten */
		background-position: center top;
		background-size: cover !important;
		top: -1%;
		left: -26%;
	}
	.oapresent-area:after {
		width: calc(23.4% * 1.5);
		padding-top: calc(21.4% * 1.5);
		top: 0.5%;
		right: -1%;
	}
	.oapresent-inner {
		position: relative;
	}
	.oapresent-inner:before {
		content: '';
		display: block;
		width: calc(75.5% * 1.5); /* same as above illust */
		height: 0;
		padding-top: 50%; /* for shorten */
		background: url(../images/oapresent/oapresent-illust-01.png) no-repeat bottom center; /* same as above illust */
		background-size: cover;
		position: absolute;
		bottom: -0.5%;
		left: 0;
		z-index: -10;
	}
	.oapresent-box {
		padding-bottom: 35%;
	}

	/* oapresent-detail
	------------------------------------------ */
	.oapresent-detail-title { height: 200px; }
}



/* ---------------------------------
	PC用
--------------------------------- */
@media screen and (min-width: 993px) {
}



/* ---------------------------------
	tablet FONT用
--------------------------------- */
@media screen and (min-width : 601px){
}