html {
    font-size: 10px;
    font-family: "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
    background-color: lightgray;
    padding: 0;
}

body {
    font-size: 1.5rem;
    padding: 0;
    width: 80%;
    min-width: 300px;
    max-width: 850px;
    margin: 0 auto;
    background-color: #f0f0f0;
}

a {
    color: #0000cd;
}

a:link,
a:visited,
a:hover,
a:active {
    text-decoration: none;
    font-weight: bold;
}

a:hover,
a:active {
    text-decoration: underline;
}
ul p {
    margin: 5px 0;
}
li {
    margin: 10px 0;
}
header {
    min-height: 54px;
}

header h1 {
    margin-top: 0;
    margin-bottom: 0;
    width: 100%;
    height: 200px;
}

header h1 a {
    display: block;
    margin: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-image: url(../image/header.png);
    background-color: lightgray;
    overflow: hidden;
    text-indent: 100%;
    white-space: nowrap;
}

.header-intro {
    line-height: 1.4em;
    padding-left: 5%;
}

nav {
	width: 100%;
}

nav h1 {
    display: none;
}

nav a:link {
    text-decoration: none;
    color: inherit;
}

nav a:visited {
    text-decoration: none;
    color: inherit;
}

ul.nav-menu {
    padding: 0;
    text-align: center;
    position: relative;
    background-color: #0b5482;
    height: auto;
}

ul.nav-menu li {
    margin: auto 0;
    display: inline-block;
    width: 18%;
    font-size: 1.4rem;
    padding: 12px 0;
    background-color: #0b5482;
    color: white;
}

ul.nav-menu li ul li {
    display: block;
    width: 100%;
    padding 12px 0;
    background-color: #1182c9;
    color: white;
}


ul.nav-menu li ul {
    display: block;
    position: absolute;
    max-height: 0;
    width: 18%;
    overflow: hidden;
    transition: max-height .5s ease-in;
    margin-top: 12px;
    padding: 0;
}


ul.nav-menu li:hover ul {
    max-height: 200px;
}

article p {
    line-height: 1.7em;
    font-size: 1.6rem;
    
}

article {
    margin: 0 5%;
}

article>h1 {
    margin: 1.5em -2%;
    padding: 0 2%;
    padding-bottom: 0;
    border-bottom-right-radius: 10px;
    font-size: 2.5rem;
    color: black;
    border-bottom: 10px solid #0b5482;
}

article h2 {
    color: #0b5482;
    font-size: 1.8rem;;
    padding: 5px 0px;
    padding-top: 10px;
}

article h2::before {
    content: "●";
    margin-right: 5px;
}

article table {
    width: auto;
    margin: 0 auto;
    border-collapse: collapse;
    font-size: 1.5rem;
    background-color: lightgray;
}

article table,
article th,
article td {
    border: 2px #f0f0f0 solid;
    padding: 5px;
}

article ul {
    line-height: 1.7em;
}

article ol {
    counter-reset: list-count;
    line-height: 1.7em;
    list-style: none;
}

article ol > li {
    text-indent: -1.2em;
    padding-left: 1.2em;
}

article ol > li::before {
    content: counter(list-count) ". ";
    counter-increment: list-count;
    color: #0b5482;
    font-weight: bold;
}

.article-sign {
    text-align: right;
    border-right: 2px #0b5482 solid;
    padding-right: 10px;
}

article.stable-article {
    display: grid;
    grid-template-columns: 50% 50%;
}

article.stable-article section {
    padding: 15px;
    margin: 5px;
    background-color: #0b5482;
    color: #f0f0f0;
	border-bottom-right-radius: 10px;
}

article.stable-article h1 {
    border-radius: 0;
    margin: 0;
    margin-bottom: 1em;
    border: none;
    font-size: 3.0rem;
    color: white;
    padding: 0;
    padding-bottom: 5px;
    font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
    font-weight: bold;
    border-bottom: 2px white solid;
}

article.stable-article p {
    font-size: 1.5rem;
}

.table-col-header {
    background-color: #0b5482;
    color: white;
    font-weight: bold;
    text-align: right;
}

footer {
    background-color: #0b5482;
    color: white;
    padding: 15px 5%;
    margin-top: 50px;
}

footer address {
    font-style: normal;
    font-size: 1.4rem;
    line-height: 1.5em;
    border-left: 5px white solid;
    padding-left: 10px;
}

.footer-copyright {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 0;
}

.nav-fixed {
    position: fixed;
    top: 80px;
    left: 0;
    z-index: 2;
    width: 100%;
    margin-top: 0;
}

.nav-fixed ul {
    margin-top: 0;
}

.head-fixed {
    position: fixed;
    overflow: hidden;
    top: 0;
    left: 0;
    z-index: 2;
    width: 100%;
    height: 80px;
}

.head-fixed h1 {
    height: 80px;
    position: relative;
}

.head-fixed h1 a {
    background-image: url(../image/s_header.png);
    background-repeat: no-repeat;
    background-position: 0px -80px;
    transition: none;
}

.head-fixed h1 a.aftershow {
    background-position: 0 0;
}

.footer-go_top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    height: 50px;
    width: 50px;
    opacity: 0;
    transition: opacity 0.3s ease-in;
    background-image: url(../image/go_up.svg)
}

.footer-go_top a {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    text-indent: 100%;
    white-space: nowrap;
}

.footer-go_top.scroll_down {
    opacity: 1;
    cursor: pointer;
}

.link-links dt {
    font-size: 2.5rem;
    border-bottom: solid 5px #1182c9;
    position: relative;
    margin-bottom: 15px;
    margin-top: 20px;
    padding: 0;
}

.link-links dt:before {
    content: "●";
    font-size: 2.5rem;
    color: #0b5482;
}

.link-links dt:after {
    position: absolute;
    content: " ";
    display: block;
    border-bottom: solid 5px #0b5482;
    top: 100%;
    width: 30%;
}

.link-links dd {
    margin-left: 0;
}

.link-links dd img {
    width: 100%;
    max-width: 100%;
    height: auto;
}

dd.link-links-url {
    display: block;
    text-align: center;
    font-size: 2.0rem;
    line-height: 3em;
}

.link-links-url a {
    
}

.history__article {
    padding: 0;
}

.history__a-meeting {
    border-left: 4px solid #0b5482;
    padding: 0 10px;
    margin: 20px 0;
}

article > h1.history__title {
    margin: 0;
    padding: 0;
    background-color: transparent;
    color: #0b5482;
    line-height: 1.5em;
    font-size: 2.5rem;
}

.history__title::before {
    content: "●";
}

.history__detail {
    width: 100%;
    overflow: hidden;
    border: 2px solid #f0f0f0;
    border-top: none;
    background-color: #0b5482;
    margin-bottom: 5px;
}

.history__detail > dt {
    width: 25%;
    float: left;
    padding: 10px;
    border-top: 2px solid #f0f0f0;
    box-sizing: border-box;
    background-color: #0b5482;
    color: white;
    font-weight: bold;
}

.history__detail > dd {
    margin-left: 25%;
    padding: 10px;
    border-left: 2px solid #f0f0f0;
    border-top: 2px solid #f0f0f0;
    height: 100%;
    line-height: 1.15em;
    margin-bottom: -10px;
    background-color: lightgray;
}

.history__detail > dd:last-child {
    padding-bottom: 10px;
}

.history__detail > dl {
    padding-bottom: 10px;
}

.history__detail > dd:after {
    display: block;
    content: "";
    clear: both;
}

.history__detail > dd > dl > dt {
    float: left;
    width: 15%;
    color: #0b5482;
    font-weight: bold;
}

.history__detail > dd > dl > dd {
    margin-left: 15%;
    border-left: 2px solid #0b5482;
    padding-left: 10px;
}

.history__detail > dd > dl > dd + dt,
.history__detail > dd > dl > dd + dt + dd {
    margin-top: 10px;
    margin-bottom: 10px;
}
.history__pdf {
    padding: 0;
    display: flex;
    justify-content: center;
    list-style: none;
    width: 70%;
    margin: 10px auto;
}
.history__pdf li {
    width: 100%;
    margin: 0 5px;
    text-align: center;
    font-size: 1.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 3px solid #0b5482;
    border-radius: 5px;
    padding: 2px;
    background-color: #1182c9;
    color: white;
}
.history__pdf li:before {
    content: "";
    display: inline-block;
    height: 2em;
    width: 2em;
    background-image: url("../image/pdf.svg");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    margin-right: 5px;
}
.history__pdf li a:link,
.history__pdf li a:visited,
.history__pdf li a:active {
    color: inherit;
    text-decoration: none;
}
/*.history__detail dd::after {
    display: block;
    content: "";
    clear: both;
}*/

article.home__hotTopic section {
	border-bottom: 5px solid lightgray;
}
article.home__hotTopic section:last-child {
	border-bottom: none;
}
article.home__notice {
	margin: 0 calc( 5% + 5px );
	padding: 10px;
	border: 5px solid #028760;
	border-bottom-right-radius: 10px;
	background-color: #028760;
}
article.home__notice > h1 {
	font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
	margin: 0;
	line-height: 1.5em;
	font-size: 3rem;
	font-weight: bold;
	color: white;
	border-bottom: 2px solid white;
	border-radius: 0;
	padding: 0;
}
article.home__notice > h2 {
	display: inline-block;
	background-color: white;
	color: #005243;
	padding: 0 20px;
	margin: 20px 0;
	font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
	line-height: 0.9em;
	font-size: 3rem;
	font-weight: bold;
}
article.home__notice > h2:before {
	content: none;
}
ul.home__notice__contents,
p.home__notice__contents {
	background-color: white;
	margin: 0;
	list-style: none;
	padding: 5px;
	border-bottom-right-radius: 10px;
    font-size: 2rem;
    position: relative;
}
ul.home__notice__contents li {
	border-bottom: 2.5px solid #005243;
}
ul.home__notice__contents li:last-child {
	border-bottom: none;
}
p.home__notice__speaker {
	font-size: 2.5rem;
	margin: 0;
	text-align: right;
}
p.home__notice__title {
	margin: 0;
	font-size: 2.5rem;
}
p.home__notice__toMain {
    text-align: center;
    font-size: 2.5rem;
    margin: 20px 0 10px 0;
    color: #f0f0f0;
}
p.home__notice__toMain a:before{
    content: ">>>";
    font-weight: bold;
    color: #f0f0f0;
}
p.home__notice__toMain a:after {
    content: "<<<";
    font-weight: bold;
    color: #f0f0f0;
}
p.home__notice__toMain a:visited,
p.home__notice__toMain a:active {
    color: inherit;
}
button.home__notice__button {
    position: absolute;
    right: 10px;
    top: 50%;
    height: 1.5em;
    margin-top: -0.75em;
    border: 2px solid #005243;
    border-radius: 5px;
    color: #005243;
    background-color: #7ebea5;
    font-weight: bold;
    padding: 0 10px;
    overflow: hidden;
    z-index: 1;
}
button.home__notice__button:before {
    content:"";
    display: block;
    width: 0;
    height: 0;
    border-bottom: 1.5em solid #005243;
    position: absolute;
    top: 0;
    left: 0;
    transition: width ease 0.3s;
    z-index: -1;
}
button.home__notice__button:hover:before {
    width: 100%;
    border-right: 75px solid transparent;
}
button.home__notice__button:hover {
    color: white;
}
button.home__notice__button:active {
    padding-top: 5px;
    color: white;
}
span.position {
	display: inline-block;
	font-size: 1.5rem;
	line-height: 1em;
	margin-right: 5px;
}
article.home__hotTopic h1 {
	border-left: 5px solid #0b5482;
	padding-left: 10px;
}
ul.paperList {
	display: flex;
	flex-wrap: wrap;
	list-style: none;
	padding: 0;
}
ul.paperList li {
	width: calc( (100% - 50px) / 3 );
	border: 5px solid #1182c9;
	margin: 5px;
	border-bottom-right-radius: 20px;
    position: relative;
}
ul.paperList li:nth-child(3n) {
	margin-right: 0;
}
ul.paperList li:nth-child(3n + 1) {
	margin-left: 0;
}
ul.paperList li > a {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
p.paperList__volume {
	margin: 0;
	color: white;
	background-color: #1182c9;
	text-align: center;
	font-weight: bold;
	font-size: 2rem;
	border-bottom: 5px solid #1182c9;
}
p.paperList__thumbnail {
	text-align: center;
	margin: 0;
    margin-top: 10px;
}
p.paperList__theme {
	margin: 5px 10px;
	font-size: 2rem;
}
p.paperList__theme:before {
	content: "●";
	color: #1182c9;
}
p.paperList__author {
	margin: 5px 10px;
	text-align: right;
	font-size: 2rem;
	display: flex;
	justify-content: flex-end;
	align-items: center;
}
span.paperList__position {
	display: block;
	font-size: 1.5rem;
	line-height: 1em;
	margin-right: 5px;
}