@charset "utf-8";
/* CSS Document */
/*------------------------------
   default
-------------------------------*/
body {
	font: 16px/1.6 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
	font-weight: 400;
	color: #333;
}
a {
	color: #4F6579;
	text-decoration: none;
}
a:hover {
	color: #7A90A3;
	text-decoration: none;
}
sup {
	font-size: 70%;
	vertical-align: top;
	position: relative;
	top: -0.1em;
}
sup.em {
	left: 2px;
}
sub {
	font-size: 70%;
	vertical-align: bottom;
	position: relative;
	bottom: 0.1em;
}
sub.sub_1 {
	bottom: -2px;
}
/*------------------------------
   container
-------------------------------*/
.container {
	width: 100%;
}
@media (max-width: 1200px) {
	.container {
		width: 1200px;
	}
}
/*------------------------------
   Header
-------------------------------*/
.header {
	border-bottom: solid 1px #B53939;
	position: fixed;
	background: #FFF;
	display: flex;
	justify-content: space-between;
	padding: 15px 45px;
	z-index: 999;
}
#hd_logo img {
	width: 400px;
}
#hd_logo img:hover {
	opacity: 0.6;
}
/*---navi---*/
.header nav {
	margin-top: 25px;
}
.header nav ul {
	margin-top: 5px;
}
.header nav, .header nav ul {
	display: flex;
}
.header nav ul {
	font-family: 'Tienne', serif;
	font-weight: bold;
	font-size: 15px;
}
.header nav ul li {
	padding: 0 35px;
}
.header nav ul li a {
	position: relative;
	display: inline-block;
}
.header nav ul li a.active::after {
	position: absolute;
	bottom: -4px;
	left: 0;
	content: '';
	width: 100%;
	height: 4px;
	background: #B53939;
}
.header nav ul li a:not(.active)::after {
	position: absolute;
	bottom: -8px;
	left: 0;
	content: '';
	width: 100%;
	height: 4px;
	background: #B53939;
	opacity: 0;
	visibility: hidden;
	transition: .3s;
}
.header nav ul li a:not(.active):hover::after {
	bottom: -4px;
	opacity: 1;
	visibility: visible;
}
.header nav p {
	margin: 0;
}
.header nav a.link_newwin {
	background: #B53939;
	display: inline-block;
	padding: 5px 50px 5px 20px;
	font-size: 14px;
	color: #FFF;
	position: relative;
	border: solid 1px #B53939;
	transition: .3s;
}
.header nav a.link_newwin:hover {
	background: #FFF;
	color: #B53939;
	border: solid 1px #B53939;
}
.header nav a.link_newwin::after {
	position: absolute;
	content: '';
	width: 19px;
	height: 13px;
	background: url("../images/icon_window.png") no-repeat;
	top: 8px;
	right: 20px;
	transition: .3s;
}
.header nav a.link_newwin:hover::after {
	background: url("../images/icon_window_hv.png") no-repeat;
}
/*------------------------------
   Main
-------------------------------*/
main {
	padding-top: 100px;
}
.content {
	width: 1000px;
	margin: 70px auto 0;
}
/*------------------------------
   Footer
-------------------------------*/
footer {
	margin-top: 100px;
	padding-bottom: 20px;
}
#pagetop {
	position: fixed;
	right: 0px;
	bottom: 100px;
	z-index: 10;
	transform: translate3d(0, 100%, 0);
	transition: transform 0.35s;
}
#pagetop a {
	position: relative;
	display: block;
	height: 60px;
	width: 60px;
	text-decoration: none;
	background: rgba(0, 0, 0, 0.2);
}
#pagetop a:before {
	position: absolute;
	content: '';
	width: 20px;
	height: 20px;
	border: 3px solid;
	border-color: #FFF #FFF transparent transparent;
	transform: rotate(-45deg);
	top: 25px;
	left: 20px;
}
#pagetop span {
	text-indent: 100%;
	white-space: nowrap;
	overflow: hidden;
	display: block;
}
.copyright {
	font-size: 81.2%;
	color: #4F6579;
	text-align: center;
}
/*------------------------------------------------------
*
*  HOME
*
-------------------------------------------------------*/
/*---Main-img---*/
#main_ttl {
	height: 306px;
	background: url("../images/top_mv.jpg") no-repeat center center;
	background-size: cover;
	position: relative
}
#main_ttl h1 {
	position: absolute;
	color: #FFF;
	font-family: 'Tienne', serif;
	font-weight: 400;
	font-size: 50px;
	line-height: 1.3;
	top: 50px;
	left: 10%;
}
.ttl_vol {
	position: absolute;
	right: 0;
	top: calc(50% - 48px);
	background: #B53939;
	color: #FFF;
	padding: 0 10% 0 40px;
}
.ttl_vol p {
	margin: 0;
	padding: 0;
}
.ttl_vol p span {
	font-size: 30px;
	font-family: 'Tienne', serif;
}
.ttl_vol p strong {
	font-size: 60px;
	font-weight: 500;
}
/*---Read ---*/
.read_txt {
	width: 900px;
	color: #4F6579;
	margin: 62px auto 40px;
}
.read_txt p {
	margin-bottom: 1em;
	text-align: center;
}
/*---link Bana ---*/
.link_bana {
	display: flex;
	justify-content: space-between;
	width: 600px;
	margin: 0 auto;
}
.link_bana li {
	width: 48%;
}
.link_bana li a {
	display: block;
	border: solid 1px #A7B2BC;
	padding: 25px 0 22px 0px;
	position: relative;
	font-family: 'Tienne', serif;
	font-size: 22px;
	line-height: 1;
	transition: 0.2s;
	text-align: center;
}
.link_bana li a:hover {
	transform: translate(-4px, -4px);
	box-shadow: 4px 4px #B53939;
	transition: 0.1s;
}
.link_bana li a:hover:before {
	opacity: 0.7;
}
.link_bana li a span {
	position: relative;
	display: inline-block;
}
.link_bana li:nth-child(1) a span {
	padding-left: 40px;
}
.link_bana li:nth-child(2) a span {
	padding-left: 50px;
}
.link_bana li a span:before {
	position: absolute;
	content: '';
}
.link_bana li:nth-child(1) a span:before {
	width: 30px;
	height: 40px;
	background: url("../images/top_bana_icon_index.svg") no-repeat;
	top: -10px;
	left: 0;
}
.link_bana li:nth-child(2) a span:before {
	width: 40px;
	height: 35px;
	background: url("../images/top_bana_icon_authors.svg") no-repeat;
	top: -10px;
	left: 0;
}
/*------------------------------------------------------
*
*  INDEX, AUTHORS Common
*
-------------------------------------------------------*/
#page_ttl {
	width: 100%;
	height: 220px;
	background: url("../images/top_mv.jpg") no-repeat center center;
	background-size: cover;
	text-align: center;
}
#page_ttl .site_ttl {
	margin: 0 auto;
	padding: 20px 0 0;
	width: 1120px;
	color: #FFF;
	font-family: 'Tienne', serif;
	text-align: left;
}
#page_ttl .site_ttl strong {
	font-size: 27px;
	font-family: 'Roboto', serif;
	font-weight: 500;
}
#page_ttl h1 {
	text-align: center;
	font-family: 'Tienne', serif;
	font-size: 48px;
	font-weight: 500;
	color: #FFF;
	position: relative;
	display: inline-block;
	padding: 0 70px;
}
#page_ttl h1.abstractList:before {
	position: absolute;
	content: '';
	width: 45px;
	height: 57px;
	background: url("../images/ttl_icon_index.svg") no-repeat;
	top: 5px;
	left: 0;
}
#page_ttl h1.authors {
	padding: 0 93px;
}
#page_ttl h1.authors:before {
	position: absolute;
	content: '';
	width: 65px;
	height: 57px;
	background: url("../images/ttl_icon_authors.svg") no-repeat;
	top: 5px;
	left: 0;
}
.flexbox {
	display: flex;
	justify-content: space-around;
}
.flexbox .abstIndex_img_box {
	width: 48%;
}
.line-top {
	border-top: solid 1px #333;
}
.abstractMainArea .note2 .line-top {
	border-top: solid 1px #B53939;
}
/*------------------------------------------------------
*
*  INDEX
*
-------------------------------------------------------*/
.content nav.inpage_link {
	display: flex;
	justify-content: center;
	align-items: center;
	margin-bottom: 40px;
}
nav.inpage_link ul {
	display: flex;
}
nav.inpage_link ul li a {
	position: relative;
	padding: 0 50px 0 25px;
	color: #333;
}
nav.inpage_link ul li a:before {
	position: absolute;
	content: '';
	width: 16px;
	height: 16px;
	top: 5px;
	left: 0;
	background: url("../images/icon_indexlink.svg") no-repeat;
}
nav.inpage_link ul li a:hover {
	color: #B53939;
}
.abstractIndexArea article {
	display: flex;
	border-top: solid 1px #C8D5DB;
	padding: 30px 10px 60px 10px;
}
.abstractIndexArea article:last-child {
	border-bottom: solid 1px #C8D5DB;
}
.abstractIndexArea article a {
	text-decoration: underline;
}
.abstractIndexArea article a:hover {
	text-decoration: none;
}
.abstractIndexArea article h2 {
	flex-basis: 8%;
	color: #B53939;
	margin: 0;
	padding: 0 10px;
	font-size: 27px;
	line-height: 1;
}
.abstractIndexArea article .abstIndex_ttl {
	flex-basis: 57%;
	padding-right: 30px;
}
.abstractIndexArea article .abstIndex_ttl h3 {
	font-size: 100%;
	font-weight: normal;
	margin: 0 0 20px;
}
.abstractIndexArea article .abstIndex_ttl p {
	margin: 0;
}
.abstractIndexArea article .abstIndex_ttl p.name {
	margin-bottom: 45px;
}
.abstractIndexArea article .abstIndex_ttl p.doi a {
	color: #333;
}
.abstractIndexArea article .abstIndex_img {
	flex-basis: 35%;
	text-align: center;
}
.abstIndex_img img {
	width: 100%;
	height: auto;
	margin: 0 auto;
}
.abstractIndexArea article .abstIndex_img p {
	font-size: 13px;
	margin: 10px 0 0;
	text-align: left;
}
/*------------------------------------------------------
*
*  abstract_Main
*
-------------------------------------------------------*/
#page_ttl.abstract_main {
	height: 72px;
}
.abstractMainArea h1 {
	text-align: center;
	font-family: 'Tienne', serif;
	font-size: 40px;
	font-weight: 400;
	line-height: 1.3;
	margin-bottom: 35px;
}
.abstractMainArea .note1 {
	text-align: center;
	font-size: 14px;
	margin-bottom: 40px
}
.abstractMainArea .note2 {
	text-align: center;
	color: #B53939;
	margin-bottom: 45px;
}
.abstractMainArea .note2 a {
	color: #B53939;
	text-decoration: underline;
}
.abstractMainArea .note2 a:hover {
	text-decoration: none;
}
.abstractTxtaArea {
	margin-bottom: 60px
}
.abstractTxtaImg {
	text-align: center;
	margin-bottom: 60px;
}
.abstractTxtaImg > img {
	display: block;
	max-width: 100%;
	margin: 0 auto;
}
.abstractTxtaImg p {
	text-align: left;
}
.abstractTxtaImg p.txt-c {
	text-align: center;
}
/* flexbox */
.abstractTxtaImg.flexbox {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	width: 100%;
}
.abstractTxtaImg.flexbox > figure {
	margin: 0;
	padding: 0;
}
.abstractTxtaImg.flexbox > figure img {
	display: block;
	width: 100%;
	margin: 0;
}
.abstractTxtaImg.flexbox > p {
	flex-basis: 100%;
}
.no12 > figure:nth-child(1) {
	flex-basis: 58.2%;
}
.no12 > figure:nth-child(2) {
	flex-basis: 40%;
}
/*------------------------------------------------------
*
*  AUTHORS
*
-------------------------------------------------------*/
.authorsMain h2 {
	font-size: 20px;
}
.authorsMain h2 small {
	font-size: 16px;
	font-weight: normal;
}
.authorsMain a {
	text-decoration: underline;
}
.authorsMain a:hover {
	text-decoration: none;
}
table {
	border-collapse: collapse;
	width: 100%;
}
table th, table td {
	border-top: solid 1px #C8D5DB;
	border-bottom: solid 1px #C8D5DB;
	border-right: none;
	border-left: none;
	padding: 5px 30px;
}
table th {
	border-right: solid 1px #C8D5DB;
	text-align: left;
	font-weight: normal;
}
.dot {
	position: relative;
}
.dot:before {
	position: absolute;
	left: 6px;
	top: 1px;
	display: inline-block;
	width: 2px;
	height: 2px;
	border-radius: 100%;
	content: '';
	background: #333;
}
/*------------------------------------------------------
*
*  Additional Styles 2024
*
-------------------------------------------------------*/
/* margin */
.mt40 {
	margin-top: 40px !important;
}
/* image size */
.img_w90 {
	width: 90% !important;
}
.img_w75 {
	width: 75% !important;
}
.img_w60 {
	width: 60% !important;
}
.img_w50 {
	width: 50% !important;
}
.img_w40 {
	width: 40% !important;
}
/* ()内のem */
em.in_brackets {
	margin-right: 0.2em;
}
em.in_brackets > sub {
	margin-left: 0.1em;
}