@charset "UTF-8";

/* @group Color */

:root {
	--base-color: #666666;
	--main-color: #f3f3e2;
	--sub-color: #939384;
}

/* @end */

/* @group Rayout */

html {
	display: flex;
	flex-direction: column;
	scroll-behavior: smooth;
}

body {
	font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	color: var(--base-color);
	font-size: 12px;
	line-height: 16px;
	margin: 0px;
	padding: 0px;
}

.site {
	width: 800px;
	margin-left: auto;
	margin-right: auto;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	box-shadow: 0 0 15px var(--base-color);
}

#header {
	background: url(../img/header.svg) center center no-repeat;
	background-size: contain;
	border-bottom: 1px solid var(--base-color);
	height: 120px;
	position: relative;
}

#header span.issn {
	font-size: 11px;
	position: absolute;
	top: 7px;
	right: 14px;
}

.site-content {
	padding: 10px 10px 50px;
	display: flex;
	flex: 1 1 auto;
}

#menu {
	height: 100%;
	position: sticky;
	top: 10px;
}

#menu ul {
	list-style-type: none;
	background-color: var(--sub-color);
	width: 130px;
	margin: 0;
	padding-left: 0;
}

#menu li, #menu li a {
	color: white;
	font-weight: bold;
}

#menu ul a {
	text-decoration: none;
	padding: 5px;
	display: block;
}

#menu ul li a:hover, #menu ul li.active {
	color: white;
	background-color: #cccccc;
}

#menu ul ul li {
	background-color: var(--main-color);
}

#menu ul ul li a {
	color: var(--base-color);
	font-weight: normal;
	padding-left: 12px;
	background: url(../img/arrow-right.svg) 2px center no-repeat;
}

#menu ul li span {
	padding: 5px;
	display: block;
}

.contents {
	width: 100%;
	margin-left: 20px;
}

footer {
	height: 35px;
	background: var(--base-color);
	display: flex;
	justify-content: center;
	align-items: center;
}

footer p {
	color: white;
	font-size: 9px;
	line-height: 1.5em;
	text-align: center;
}

/* @end */

/* @group Top */

#top_img {
	text-align: center;
	padding-top: 30px;
	padding-bottom: 30px;
}

#top_img img {
	box-shadow: 5px 5px 10px #aeaeae;
}

/* @end */

/* @group Common */

h1, h2, h3, p {
	margin: 0px;
	padding: 0px;
}

h1 {
	font: 24px "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	color: var(--base-color);
	text-indent: -9999px;
}

h2 {
	font-size: 14px;
	color: var(--base-color);
	background-color: var(--main-color);
	border: solid var(--sub-color);
	border-top-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 5px;
	border-right-width: 5px;
	margin-bottom: 10px;
	padding: 5px 10px;
}

h3 {
	font-size: 12px;
	background-color: white;
	padding-top: 10px;
	padding-bottom: 5px;
	position: sticky;
	top: 50px;
}

/* @end */

/* @group Time Table */

.time-table {
	font-size: 10px;
	border-collapse: collapse;
	width: 100%;
}

.time-table thead th:nth-child(1), .time-table thead th:nth-child(3), .time-table thead th:nth-child(4), .time-table thead th:nth-child(6) {
	width: 23%;
}

.time-table thead th:nth-child(2) {
	width: 5%;
}

.time-table tr, .time-table th, .time-table td {
	border: 1px solid var(--sub-color);
	padding: 5px;
	transition: 0.3s;
}

.time-table tr th {
	text-align: center;
	white-space: nowrap;
	background-color: var(--main-color);
}

.time-table tbody tr th {
	text-align: left;
}

.time-table td.venue {
	text-align: center;
}

.time-table a {
	color: var(--base-color);
	text-decoration: none;
	width: 100%;
	height: 100%;
	display: block;
}

.time-table td.enable:hover {
	background-color: #cccccc;
}

.time-table td:empty, .index td:empty {
	background-color: #f5f5f5;
}

/* @end */

/* @group Program, Index */

.program h2 {
	margin-bottom: 0;
}

.session {
	background-color: white;
	padding-top: 10px;
	padding-bottom: 5px;
	position: sticky;
	top: 0;
}

.session p {
	background: url(../img/arrow-bottom.svg) 4px center no-repeat var(--main-color);
	border-top: 1px dotted #cccccc;
	border-bottom: 1px dotted #cccccc;
	padding: 2px 20px;
}

ul.article, ul.article-index {
	list-style-type: none;
	padding-left: 0;
	margin: 0;
}

ul.article li, ul.article-index li {
	border-top: 1px dotted #cccccc;
	border-bottom: 1px dotted #cccccc;
	display: flex;
	margin-bottom: 5px;
}

ul.article li div.no, ul.article-index li div.meta {
	color: #989898;
	text-align: center;
	white-space: nowrap;
	background-color: var(--main-color);
}

ul.article li div.no {
	width: 10%;
}

ul.article-index li div.meta {
	width: 30%;
	text-align: left;
	white-space: normal;
}

ul.article li .no a, ul.article-index li .meta a {
	color: var(--base-color);
	font-weight: bold;
	text-decoration: none;
	display: block;
	transition: 0.3s;
}

ul.article li .no a {
	height: calc(100% - 5px);
	padding-top: 5px;
}

ul.article-index li .meta a {
	width: calc(100% - 20px);
	height: calc(100% - 5px);
	padding-top: 5px;
	padding-left: 10px;
	padding-right: 10px;
}

ul.article li .no a:hover, ul.article-index li .meta a:hover {
	background-color: #cccccc;
}

ul.article li div:nth-child(2), ul.article-index li div:nth-child(2) {
	width: 90%;
	margin: 5px 10px;
	display: flex;
	flex-direction: column;
}

ul.article li div:nth-child(2) {
	width: 90%;
}

ul.article-index li div:nth-child(2) {
	width: 70%;
}

.title, .author {
	display: block;
}

.author {
	margin-top: 5px;
	margin-left: 1em;
	font-feature-settings: "palt";
}

.indexs {
	display: flex;
	justify-content: space-around;
	align-items: flex-start;
	margin-top: 15px;
	margin-bottom: 15px;
}

table.index td {
	text-align: center;
	width: 24px;
	padding: 0;
	border: 1px solid #cccccc;
}

table.index td a {
	color: var(--base-color);
	font-weight: bold;
	text-decoration: none;
	line-height: 20px;
	width: 100%;
	height: 20px;
	display: block;
}

table.index td a:hover {
	background-color: #cccccc;
}

.initial {
	background-color: white;
	padding-top: 10px;
	padding-bottom: 10px;
	position: sticky;
	top: 0;
}

.initial h3 {
	color: white;
	font-size: 14px;
	line-height: 26px;
	text-align: center;
	background-color: var(--sub-color);
	width: 26px;
	height: 26px;
	padding: 0;
}

/* @end */

/* @group Back to Top */

#back-to-top {
	position: fixed;
	bottom: 0px;
	z-index: 1;
	right: 20px;
}

#back-to-top a {
	text-indent: -9999px;
	background: url(../img/back_to_top.svg) center center no-repeat var(--base-color);;
	width: 35px;
	height: 35px;
	display: block;
	transition: 0.7s;
}

#back-to-top a:hover {
	opacity: 0.7;
}

/* @end */