@charset "UTF-8";

/* d-link
========================================== */
.d-link-area {
	margin: 40px auto 0;
}
.d-link-text {
	margin-bottom: 20px;
	font-size: 2.4rem;
	font-weight: bold;
	font-family: 'FOT-テロップ明朝 Pro D';
	text-align: center;
}

@media only screen and (max-width: 600px) {
	.d-link-area {
		margin: 6% auto 0;
	}

	.d-link-text {
		margin-bottom: 10px;
		font-size: 1.4rem;
	}
}

/* science
========================================== */
.science-area {}
.science-area.d-area {
	margin-bottom: 0;
}
.science-area a { display: block; }
.science-area .d-box-title { background-image: url(../images/common/d-box-title-science.png); }
.science-inner {
	background: url(../images/science/science-bg.png) no-repeat 0% 9% transparent;
	background-size: 80.6% auto;
}

@media only screen and (min-width: 601px) and (max-width: 992px) {
	.science-area .d-box-title {
		width: 100%;
		height: 0;
		padding-top: calc(215 / 1000 * 100%);
		background-size: contain;
	}
}

@media only screen and (max-width: 600px) {
	.science-area .d-box-title {
		padding-top: calc(138 / 640 * 100%);
	}
	.science-inner {
		background-position: 95% 6%;
		background-size: 120% auto;
	}
}


/* science-article
------------------------------------------ */
.science-article-body {
	margin: 0 auto;
	padding-bottom: 70px;
	background-color: transparent;
}

.science-article-mainImg {
	width: 100%;
	max-width: 880px;
	height: 0;
	margin: 35px auto 0;
	padding-top: calc(586 / 1000 * 100%);
	background-repeat:no-repeat;
	background-position: center;
	background-size: cover;
}

.science-article-mainMovie {
	width: 100%;
	max-width: 880px;
	margin: 35px auto 0;
	position: relative;
}
.science-article-mainMovie.story {
	margin: 50px auto 20px;
}
.science-article-mainMovie-data {
	padding-top: 56.25%;
	position: relative;
}
.science-article-mainMovie-data iframe {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 10;
}

.science-article-mainText {
	padding: 0 60px;
	font-size: 1.8rem;
	line-height: 1.75;
	text-align: justify;
}
.science-article-mainText p {
	width: 85%;
	margin: 1.7rem auto;
	font-size: 1.8rem;
	line-height: 1.75;
	text-align: justify;
}
.science-article-mainText + .science-article-contents {
	margin-top: 0;
}

.science-article-contents {
	margin-top: 70px;
	padding: 0 60px 30px;
	position: relative;
	overflow: hidden;
}
.science-article-contents.zip {
	margin-top: 35px;
}
.science-article-contents:after {
	content: '';
	display: block;
	width: 100%;
	max-width: 880px;
	height: 1px;
	position: absolute;
	left: 50%;
	bottom: 0;
	-webkit-transform: translateX(-50%);
	transform: translateX(-50%);
	background-color: #c1c1c1;
}
.science-article-contents p {
	width: 85%;
	margin: 0 auto 1.7rem;
	font-size: 1.8rem;
	line-height: 1.75;
	text-align: justify;
}
.science-article-contents figure {
	width: 100%;
	max-width: 880px;
	height: 0;
	margin: 0 auto;
	background-repeat:no-repeat;
	background-position: center;
	background-size: cover;
}
.science-article-contents figure.pc-none { display: none; }
.science-article-contents figure.sp-none { display: block; }

.science-article-contents figure.fig-l {
	float: none;
	width: 85%;
	padding-top: calc(495 / 880 * 85%);
	margin: 0 auto 1em;
}
.science-article-contents.zip figure.fig-l { /* for zip */
	padding-top: calc(420 / 754 * 85%);
}

.science-article-contents figure.fig-r {
	float: none;
	width: 85%;
	padding-top: calc(495 / 880 * 85%);
	margin: 0 auto 1em;
}
.science-article-contents.zip figure.fig-r { /* for zip */
	padding-top: calc(420 / 754 * 85%);
}

.science-article-contents figure.img-vertical {
	width: 50%;
	padding-top: calc(880 / 495 * 35%);
}

/* figure - horizontal */
.science-article-contents .fig-box {
	width: 85%;
	margin: 0 auto;
}
.science-article-contents .fig-box:after { content: ''; display: block; clear: both; }
.science-article-contents .fig-box figure {
	float: left;
	width: 49%;
	padding-top: calc(495 / 880 * 49%);
	margin: 0 auto 1em;
}
.science-article-contents .fig-box figure.small {
	width: 33%;
	padding-top: calc(495 / 880 * 65%);
}
.science-article-contents .fig-box figure.large {
	width: 65%;
	padding-top: calc(495 / 880 * 65%);
}
.science-article-contents .fig-box figure:last-of-type {
	margin-left: 2%;
}

.science-article-contents br.cb {
	clear: both;
}

.science-article-guide {
	margin: 50px 0;
	padding: 0 60px;
	text-align: center;
	font-size: 1.8rem;
	line-height: 1.75;
}
.science-article-guide .fs-l {
	font-size: 2.4rem;
}

.science-article-title {
	margin: 35px 0;
	font-weight: bold;
	font-family: 'FOT-テロップ明朝 Pro D';
	text-align: center;
	overflow: hidden;
}
.science-article-title-main {
	font-size: 4rem;
	letter-spacing: 1px;
	line-height: 1.5;
	position: relative;
}
.science-article-title-main:before,
.science-article-title-main:after {
	content: '';
	display: block;
	width: 100%;
	height: 1px;
	position: absolute;
	top: 50%;
	background-color: #000;
}
.science-article-title-main:before { right: calc(50% + 350px); }
.science-article-title-main:after { left: calc(50% + 350px); }
.science-article-title-main.story:before { right: calc(50% + 440px); }
.science-article-title-main.story:after { left: calc(50% + 440px); }
.science-article-title-sub {
	margin-top: 10px;
	font-size: 3.5rem;
	line-height: 1.5;
}

@media only screen and (min-width: 601px) and (max-width: 992px) {
	/* utility - none
	------------------------------ */
	.d-main .pc-none { display: block; }
	.d-main .sp-none { display: none; }

	/* science-article
	------------------------------------------ */
	.science-article-mainImg {
		width: calc(100% - 60px);
	}
	.science-article-mainMovie {
		width: calc(100% - 60px);
	}
	.science-article-mainMovie.story {
		width: 100%;
	}
	.science-article-contents:after {
		width: calc(100% - 60px);
	}
	.science-article-title {
		margin: 35px 30px;
	}
	.science-article-title-main:before,
	.science-article-title-main:after {
		display: none;
	}
}
@media screen and (max-width: 992px) {}
@media only screen and (max-width: 600px) {
	.science-article-body {
		margin: 0 auto;
		padding: 0;
		overflow: hidden;
	}

	.science-article-mainImg {
		width: calc(94% + 1px);
		height: 0;
		padding-top: calc(586 / 1000 * 100%);
		margin: 3% auto 0;
		background-repeat:no-repeat;
		background-position: center;
		background-size: cover;
	}

	.science-article-mainMovie {
		width: calc(94% + 1px);
		margin: 3% auto 0;
		position: relative;
	}
	.science-article-mainMovie.story {
		width: calc(99.5% + 1px);
		margin: 6% auto 6%;
	}

	.science-article-mainText {
		padding: 0 3%;
	}
	.science-article-mainText p {
		width: 100%;
		margin: 1.7rem auto;
		font-size: 1.4rem;
		line-height: 1.8;
	}
	.science-article-mainText + .science-article-contents {
		margin-top: 0;
	}

	.science-article-contents {
		margin-top: 9%;
		padding: 0 3% 3%;
	}
	.science-article-contents.zip { margin-top: 6%; }
	.science-article-contents:after {
		width: 94%;
	}
	.science-article-contents p {
		width: 100%;
		font-size: 1.4rem;
		line-height: 1.8;
	}
	.science-article-contents figure.pc-none { display: block; }
	.science-article-contents figure.sp-none { display: none; }
	.science-article-contents figure.fig-l {
		float: none;
		width: 100%;
		padding-top: calc(586 / 880 * 100%) !important;
		margin: 0 auto 1.5em;
	}
	.science-article-contents.zip figure.fig-l { /* for zip */
		padding-top: calc(420 / 754 * 100%);
	}
	.science-article-contents figure.fig-r {
		float: none;
		width: 100%;
		padding-top: calc(586 / 880 * 100%) !important;
		margin: 0 auto 1.5em;
	}
	.science-article-contents.zip figure.fig-r { /* for zip */
		padding-top: calc(420 / 754 * 100%);
	}

	.science-article-contents figure.img-vertical {
		width: 100%;
		padding-top: calc(880 / 586 * 75.5%) !important;
	}

	/* figure - horizontal */
	.science-article-contents .fig-box {
		width: 100%;
	}
	.science-article-contents .fig-box figure {
		float: none;
		width: 100%;
		padding-top: calc(586 / 880 * 100%) !important;
		margin: 0 auto 1.5em;
	}
	.science-article-contents .fig-box figure.small {
		width: 100%;
		padding-top: calc(586 / 880 * 170%) !important;
	}
	.science-article-contents .fig-box figure.large {
		width: 100%;
		padding-top: calc(586 / 880 * 100%) !important;
	}
	.science-article-contents .fig-box figure:last-of-type {
		margin-left: 0;
	}

	.science-article-contents br.cb {
		display: none;
	}

	.science-article-guide {
		margin: 6% 0;
		padding: 0 3%;
		text-align: center;
		font-size: 1.4rem;
		line-height: 1.8;
	}
	.science-article-guide .fs-l {
		font-size: 1.8rem;
	}

	.science-article-title {
		margin: 6% 3%;
	}
	.science-article-title-main {
		font-size: 2.1rem;
	}
	.science-article-title-main:before,
	.science-article-title-main:after {
		display: none;
	}
	.science-article-title-sub {
		font-size: 1.6rem;
	}
}


/* backnumber
========================================== */
.backnumber-area {
	background-image: url(../images/science/backnumber-bg.png), url(../images/common/bg-dot-01.png);
	background-repeat: no-repeat, repeat;
	background-position: left top, center;
	background-color: transparent;
	background-size: 40% auto, 4px auto;
	box-shadow: 0 16px 45px -6px rgba(0, 0, 0, 0.5) inset;
}

.backnumber-inner {
	width: 100%;
	max-width: 1000px;
	margin: 0 auto;
	padding: 60px 0 10px 0;
}

.backnumber-box + .backnumber-box {
	margin-top: 30px;
}

.backnumber-title {
	width: 100%;
	height: 0;
	padding-top: calc(140 / 1000 * 100%);
	background-image: url(../images/science/backnumber-title.png);
	background-repeat: no-repeat;
	background-position: center left;
	background-size: contain;
	font-size: 0;
	text-indent: -9999px;
	overflow: hidden;
	white-space: nowrap;
}

.backnumber-title-cat {
	padding: 10px;
	font-size: 4rem;
	font-weight: bold;
	letter-spacing: 1px;
	font-family: 'FOT-テロップ明朝 Pro D';
	line-height: 1.5;
	border-top: 1px solid #000;
	border-bottom: 1px solid #000;
	text-align: center;
}

.backnumber-body {
	margin: 0 auto;
	background-color: transparent;
}

.backnumber-num { /* preload for Webfont */
	display: none;
	font-family: "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN W3", HiraMinProN-W3, "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "游明朝体", "YuMincho", "游明朝", "Yu Mincho", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
}

.backnumber-list {
	width: 100%;
	counter-reset: num;
}
.backnumber-list:after { content: ''; display: block; clear: both; }

.backnumber-list-item {
	display: inline-block;
	width: 23.4%;
	margin: 0 0.8%;
	margin-bottom: 4%;
	background-color: #fff;
	color: #000;
	vertical-align: top;
}
.backnumber-list-item.backnumber-list-item.is-current {
	border: 3px solid #ae0000;
}

.backnumber-list-item a {
	display: block;
	padding-bottom: 10px;
	text-align: center;
}
.backnumber-list-item.is-current a {
	pointer-events: none;
}

.backnumber-list-item-img {
	width: 100%;
	padding-top: calc(586 / 880 * 100%);
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
}

.backnumber-list-item-num {
	margin-top: 10px;
	padding: 0 10px;
	font-size: 2.5rem;
	font-weight: bold;
	font-family: "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN W3", HiraMinProN-W3, "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "游明朝体", "YuMincho", "游明朝", "Yu Mincho", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
}
.backnumber-list-item-num span {
	position: relative;
}
.backnumber-list-item-num span:before {
	counter-increment: num;
	content: counter(num);
	display: inline-block;
	margin: 0 10px;
	color: #df0000;
	font-size: 3.8rem;
	line-height: 1;
	vertical-align: top;
}

.backnumber-list-item-text {
	margin-top: 3px;
	padding: 0 10px;
	font-size: 1.4rem;
	text-align: justify;
}

@media only screen and (min-width: 601px) and (max-width: 992px) {
	.backnumber-area {}
	.backnumber-body {
		padding: 0 30px;
	}
	.backnumber-title {
		width: auto;
		margin: 0 30px;
	}
	.backnumber-title-cat {
		margin: 0 30px;
	}
}

@media only screen and (max-width: 600px) {
	.backnumber-area {
		background-repeat: no-repeat, repeat;
		background-position: left top, center;
		background-color: transparent;
		background-size: 70% auto, 2px auto;
		box-shadow: 0 16px 20px -10px rgba(0, 0, 0, 0.5) inset;
	}
	.backnumber-inner {
		padding: 9% 0 3% 0;
	}
	.backnumber-box + .backnumber-box {
		margin-top: 6%;
	}
	.backnumber-title {
		padding-top: calc(160 / 640 * 100%);
		background-size: auto 85%;
		background-position: -36% center;
	}
	.backnumber-title-cat {
		margin: 0 3%;
		padding: 10px;
		font-size: 2rem;
	}
	.backnumber-body {
		margin: 0 auto;
	}
	.backnumber-list {
		padding: 0 3%;
	}
	.backnumber-list-item {
		display: inline-block;
		width: 48.5%;
		margin: 0;
		margin-bottom: 7%;
	}
	.backnumber-list-item:nth-child(even) {
		margin-left: 3%;
	}
	.backnumber-list-item a {
		padding-bottom: 7px;
	}
	.backnumber-list-item-img {}
	.backnumber-list-item-num {
		margin-top: 7px;
		padding: 0 7px;
		font-size: 1.5rem;
		font-weight: bold;
	}
	.backnumber-list-item-num span:before {
		margin: 0 7px;
		color: #df0000;
		font-size: 2.4rem;
		vertical-align: top;
	}
	.backnumber-list-item-text {
		margin-top: 3px;
		padding: 0 7px;
		font-size: 1rem;
		line-height: 1.4;
	}
}