@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');
@import url("./each-page.css");
@import url("./nav_menu.css");

/*------ 学会用フォーマット（固定幅1000px） ------

rev.191030
cssの汎用設定をcommon.cssに、各ページの設定をeach-page.cssに分割
JSをcommon.jsに格納
ページ読み込み時のトランジションを停止
見出し用コメント追加
その他調整

rev.200403
フォントをアーリーアクセスから変更

------------------------------*/

/*-----
ページ読み込み時のトランジションを停止
-----*/
.preload * {
	-webkit-transition: none !important;
	-moz-transition: none !important;
	-ms-transition: none !important;
	-o-transition: none !important;
	transition: none !important;
}

/*----スタイルをデフォルトに戻す----*/
.ini,
.all_ini * {
	all: initial !important;
}

/*-----------------------------------
	全体共通設定
-----------------------------------*/
:root {
	--main-color: #064276;
	--main-color-light: #89a8c2;
	--sub-color: #b01e23;
	--text-color: rgb(60, 60, 60);
	--bg-color: #bfddf4;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	font-size: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background-color: var(--bg-color);
	background-image: url('../img/bg.webp');
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	background-attachment: fixed;
	font-family:
		"Noto Sans JP",
		"ヒラギノ角ゴ ProN W3",
		Hiragino Kaku Gothic ProN,
		Arial,
		Meiryo,
		sans-serif;
	font-size: 1rem;
	font-weight: 400;
	color: rgb(60, 60, 60);
	line-height: 1.4;
	text-align: justify;
	-webkit-text-size-adjust: 100%;
}

.wrapper {
	width: 100%;
	max-width: 1000px;
	margin: 0 auto;
	box-shadow: 0 0 5px rgba(0, 0, 0, .3);

}

ins {
	text-decoration-line: none;
}

del {
	text-decoration-color: rgb(255, 50, 50);
}

/*----- header -----*/
header h1,
header .site_title {
	margin: 0 auto;
	width: 100%;
	background-color: var(--bg-color);
	padding: 19px;
}

header h1 a,
header .site_title a {
	display: block;
	transition: opacity .2s ease-out;
}

h1 a:hover {
	opacity: .5;
}

header h1 a img,
header .site_title img {
	vertical-align: bottom;
}

header {
	margin: 0 auto;
	width: 100%;
	z-index: 1000;
	text-align: center;
}

header.all {
	min-width: 1000px;
}

header.all img {
	width: 100%;
	max-width: 1000px;
}

/*----- middle_area -----*/
.middle_area {
	display: flex;
	justify-content: space-between;
	margin: 0 auto;
	width: 1000px;
}


/*----- footer -----*/
footer {
	position: relative;
	margin: 0 auto;
	width: 100%;
	background: rgb(255, 255, 255);
	box-shadow: 0 0 5px rgba(0, 0, 0, .3);
	line-height: 1.6;
	text-align: center;
}

footer a {
	color: rgb(230, 80, 60);
	transition: opacity .2s ease-out;
	word-break: break-all;
}

footer a:hover {
	opacity: .5;
}

footer>.inner {
	padding: 20px 0;
}

footer address {
	display: inline-block;
	box-sizing: border-box;
	padding: 15px 20px 10px;
	font-style: normal;
	text-align: left;
	vertical-align: top;
}

footer address .role {
	margin: 0;
	/* border-bottom: dotted 1px rgb(180, 180, 180); */
	font-size: 1.2rem;
	font-weight: 600;
}

footer address .name {
	margin: 0;
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.4;
}

footer address .info+.name {
	margin-top: .8em;
}

footer address .info {
	margin: 0;
	font-size: 1rem;
	line-height: 1.5;
}

footer address .logo {
	float: left;
	margin-top: 1.0rem;
	width: 56px;
}

footer address .logo+.name,
footer address .logo~.info {
	margin-left: 62px;
}

.copyright {
	text-align: center;
	margin: 0;
	width: 100%;
	background: var(--main-color);
	font-size: 14px;
	color: rgb(255, 255, 255);
	display: block;
	line-height: 2;
	font-weight: 400;
}

.backtotop {
	position: fixed;
	bottom: 40px;
	right: 40px;
	width: 50px;
	height: 50px;
	background-color: var(--sub-color);
	border-radius: 50%;
	cursor: pointer;
	z-index: 1000;

	display: flex;
	align-items: center;
	justify-content: center;
}

.backtotop::before {
	content: "";
	display: block;
	width: 14px;
	height: 14px;
	border-left: 2px solid white;
	border-top: 2px solid white;
	transform: rotate(45deg);
	margin: 20px 20px 18px 18px;
	/* ← 余計なずらしをなくす */
}


.backtotop:hover {
	opacity: 0.5;
}




/*-----------------------------------
	トップページ以外の共通設定
-----------------------------------*/
.main_area {
	margin: 0;
	width: 770px;
	box-shadow: 0 0 5px rgba(0, 0, 0, .3);
}

.main_area header h1,
.main_area header .site_title {
	background: linear-gradient(to bottom, rgba(255, 255, 255, 0)80%, rgba(255, 255, 255, 1));
}

.main_area>.contents_area {
	margin: 0;
	padding: 24px 30px 50px;
	min-height: 800px;
	background: rgb(255, 255, 255);
}
html[lang="ja"] .main_area .contents_area{
	min-height: 890px;
}
/* .main_area>.contents_area>section {
	margin-left: 1em;
} */

.main_area .contents_area>section:empty::before {
	content: "準備中です";
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	margin: 180px auto 0;
	padding: 1.8rem 0;
	width: 70%;
	max-width: 300px;
	border-top: double 3px rgb(58, 76, 101);
	border-bottom: double 3px rgb(58, 76, 101);
	font-size: 2.4rem;
	text-align: center;
	display: block;
}

/*--段落前後アキ--*/
.main_area p {
	margin: .65em 0;
}

/*--補足・注（先頭に※や＊付き）--*/
.main_area .note {
	display: block;
	margin: .5em 0 .5em 1em;
	padding-left: 1em;
	font-size: .875rem;
	text-indent: -1em;
}
.main_area span.note{
	margin: .5em 0;
}
/*--リンク--*/
.main_area a.link {
	color: rgb(0, 110, 170);
	-webkit-transition: opacity .2s ease-out;
	transition: opacity .2s ease-out;
}

.main_area a.link:hover {
	opacity: .5;
}

/*--url--*/
.main_area .url {
	word-break: break-all;
}

/*--hr--*/
.main_area hr {
	border: none;
	border-bottom: dotted 1px rgb(180, 180, 180);
}

/*--文字色--*/
.main_area .red {
	color: rgb(240, 80, 80);
}

.main_area .orange {
	color: rgb(255, 160, 80);
}

.main_area .bg_skyblue {
	display: inline-block;
	margin: 0 .3em;
	padding: 0 .3em;
	background: rgb(110, 180, 240);
	border-radius: 3px;
	color: rgb(255, 255, 255);
	font-weight: 500;
}

/*--文字サイズ等--*/
.main_area .ts_large {
	font-size: 1.25rem;
	line-height: 1.5;
}

/*--マージン調整用--*/
.main_area .mt2em {
	margin-top: 2em;
}

.main_area .mt1em {
	margin-top: 1em;
}

/*--テキストインデント--*/
.main_area .indent1 {
	text-indent: 1em;
}

.main_area .paren {
	text-indent: -.5em;
}

.main_area .fsl_lower1>* {
	padding-left: 1em;
	text-indent: -1em;
}

/*--テキスト改行--*/
.main_area .ib_vt {
	display: inline-block;
	vertical-align: top;
}

/*--文字中央ぞろえ--*/
.main_area .ta_c {
	text-align: center;
}
.main_area .ta_r {
	text-align: right;
}
/*--見出し--*/
/* h1：メインカラー → 薄いメインカラーのグラデアンダーライン */
.main_area .contents_area h1 {
	margin-top: 0;
	margin-bottom: 1em;
	font-size: 1.875em;
	color: var(--main-color);
	font-weight: 600;
	padding-bottom: 0.1em;
	padding-left: 0.5em;
	position: relative;
	text-shadow: 0 0 1px var(--main-color-light);
}

.main_area .contents_area h1::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 2px;
	background: linear-gradient(to right, var(--main-color), var(--main-color-light));
	border-radius: 2px;
}


/* h2：左にメインカラーと薄いメインカラーのブロック */
.main_area .contents_area h2 {
	margin-top: 1em;
	margin-bottom: 1em;
	font-size: 1.625em;
	color: var(--main-color);
	font-weight: 700;
	position: relative;
	padding-left: 0.5em;
	border-bottom: 1px dotted var(--text-color);

}

.main_area .contents_area h2::before {
	content: "";
	position: absolute;
	left: 0;
	top: 10%;
	width: 6px;
	height: 80%;
	background-color: var(--main-color);
}

/* h3：左に細いサブカラーの線 */
.main_area .contents_area h3 {
	margin-top: 2em;
	margin-bottom: 1em;
	font-size: 1.5rem;
	color: var(--sub-color);
	font-weight: 600;
	border-left: 2px solid var(--sub-color);
	padding-left: 0.6em;
}


/* h4：サブカラーのドット下線 */
.main_area .contents_area h4 {
	margin-top: 2em;
	margin-bottom: 1em;
	font-size: 1.35rem;
	color: var(--sub-color);
	font-weight: 500;
	border-bottom: 1px dotted var(--text-color);
	padding-bottom: 0.2em;
	padding-left: 0.2em;
}


.main_area .contents_area h5 {
	margin: 1.8em 0 .5em;
	font-size: 1rem;
	color: rgb(100, 100, 100);
	line-height: 1.4;
}

.main_area .contents_area h6 {
	margin: 1.8em 0 .5em;
	font-size: 1rem;
	color: rgb(100, 100, 100);
	line-height: 1.4;
}

.main_area .contents_area>section:first-child>h1:first-child,
.main_area h1+section>h2:first-child,
.main_area h2+section>h3:first-child,
.main_area h3+section>h4:first-child,
.main_area h4+section>h5:first-child,
.main_area h5+section>h6:first-child {
	margin-top: 0;
}

.main_area .sub_h {
	margin: 1em 0 0;
	padding-bottom: .3em;
	border-bottom: solid 1px rgb(150, 170, 160);
	font-weight: 700;
}

.main_area .h_like {
	display: block;
	margin: .8em 0 0 0;
}

.main_area .anchor_title {
	margin: 60px 0 20px;
	padding-top: 50px;
	border-top: dotted 1px rgb(21, 80, 183);
	font-size: 2.8rem;
	font-weight: 500;
	color: rgb(21, 80, 183);
	line-height: 1.4;
	text-align: center;
}

/*--飾り付きテキストボックス--*/
.main_area .colorbox01 {
	margin: 2em 0;
	padding: .3em 1em;
	background: rgb(255, 255, 255);
	border: solid 1px rgba(140, 100, 110, .65);
	border-radius: 4px;
}

.main_area .colorbox02 {
	margin: 2em 0;
	padding: .3em 1em;
	background: rgb(255, 255, 255);
	border: dotted 1px rgb(80, 160, 120);
	border-radius: 4px;
}

.main_area .colorbox03 {
	margin: 1.5rem 0;
	padding: .5rem 1.2rem;
	border: solid 1px rgb(180, 180, 200);
	border-radius: 3px;
}

.main_area .colorbox04 {
	padding: .5em 1em;
	border: solid 2px rgb(255, 130, 130);
	border-radius: 5px;
	color: rgb(255, 130, 130);
	text-align: center;
	font-size: 1.062rem;
	font-weight: 700;
}

/*--画像配置--*/
.main_area figure figcaption {
	text-align: center;
	margin: auto;
}

.main_area .img_box_fl {
	margin: .5rem 0;
	margin-right: 2rem;
	width: 45.834%;
	float: left;
}

.main_area .img_box_fr {
	margin: .5rem 0;
	margin-left: 2rem;
	width: 45.834%;
	float: right;
}

.main_area .img_box_fl img,
.main_area .img_box_fr img {
	width: 100%;
	vertical-align: bottom;
}

.main_area .img_box {
	position: relative;
	margin: 1.5em auto;
	z-index: 10;
}

.main_area .img_box.w900 {
	max-width: 900px;
}

.main_area .img_box.w800 {
	max-width: 800px;
}

.main_area .img_box img {
	position: relative;
	width: 100%;
	vertical-align: bottom;
}

.main_area .img_box02 {
	box-sizing: border-box;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	margin: .8em auto;
	text-align: center;
	max-width: 1080px;
}

.main_area .img_box02 p {
	position: relative;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	display: -webkit-flex;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-align-items: center;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	-webkit-justify-content: center;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
	-webkit-align-content: center;
	-ms-flex-line-pack: center;
	align-content: center;
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	margin: 0.5em 0;
	padding: 0.6em 0.8em;
	width: 49%;
}

.main_area .img_box02 p img {
	width: 100%;
}

.main_area .img_box02 p.w3 {
	width: 32%;
}

.main_area .img_box03 {
	position: relative;
	margin: 0;
	padding-left: 1.5em;
	max-width: 400px;
	width: 100%;
	background: rgb(255, 255, 255);
	float: right;
	z-index: 10;
}

.main_area .img_box03 img {
	width: 100%;
	line-height: 0;
	vertical-align: bottom;
}

/*--リスト--*/
.main_area ul.type01,
.main_area ol.type01 {
	margin: 1em 0;
	padding: 0;
}

.main_area ul.type01>li,
.main_area ol.type01>li {
	margin: .6em 0;
	margin-left: 2em;
}

.main_area ol.type02 {
	margin: 1em 0;
	padding-left: 3em;
	list-style: none;
	counter-reset: paren;
}

.main_area ol.type02>li {
	position: relative;
	margin: .6em 0;
}

.main_area ol.type02>li:before {
	position: absolute;
	left: -2em;
	counter-increment: paren;
	content: "("counter(paren)")";
	font-weight: 500;
}

.main_area ol.type03 {
	margin: 1em 0;
	counter-reset: circle;
	list-style: none;
}

.main_area ol.type03>li {
	margin: .6em 0;
}

.main_area ol.type03>li:before {
	counter-increment: circle;
	content: counter(circle);
	display: inline-block;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	margin: 0 .6em 0 -2em;
	padding-top: .25em;
	width: 1.4em;
	height: 1.4em;
	border: solid 1px rgb(60, 60, 60);
	border-radius: .7em;
	font-size: 1.15rem;
	line-height: .7em;
	text-align: center;
	vertical-align: 20%;
	letter-spacing: -0.05em;
	text-indent: -0.05em;
}

.main_area ol.type04 {
	margin: 1em 0;
	padding-left: 3em;
	list-style: none;
	counter-reset: roman_numerals;
}

.main_area ol.type04>li {
	position: relative;
	margin: .6em 0;
}

.main_area ol.type04>li:before {
	position: absolute;
	left: -2em;
	counter-increment: roman_numerals;
	content: "("counter(roman_numerals, lower-roman)")";
	font-weight: 500;
}

.main_area ol.type05 {
	margin: 1em 0;
	padding-left: 3em;
	list-style: none;
	counter-reset: r_paren;
}

.main_area ol.type05>li {
	position: relative;
	margin: .6em 0;
}

.main_area ol.type05>li:before {
	position: absolute;
	left: -2em;
	counter-increment: r_paren;
	content: counter(r_paren)")";
	font-weight: 500;
}


.main_area ol.type06 {
	margin: 1em 0;
}

.main_area ol.type06>li {
	margin: .6em 0;
	list-style-type: lower-latin;
}

.main_area ol.type07 {
	padding-left: 3em;
	list-style: none;
	counter-reset: r_paren;
	border: solid 0.6px rgb(200, 200, 200);
	background-color: rgb(35, 47, 59);
}

.main_area ol.type07>li {
	position: relative;
	border-top: solid 0.6px rgb(200, 200, 200);
	background-color: rgba(255, 255, 255, 1.00);
	padding: 0.3em 1em;
	border-left: dotted 1px rgb(200, 200, 200);
	margin-left: -0.5em;
}

.main_area ol.type07>li:before {
	position: absolute;
	left: -3em;
	counter-increment: r_paren;
	content: counter(r_paren);
	font-weight: 500;
	width: 3.35em;
	text-align: center;
	height: 100%;
	vertical-align: middle;
	display: table-cell;
	color: rgb(241, 241, 241);
}

.main_area ol.type07>li:after {
	content: "";
	border-top: solid 0.6px rgb(200, 200, 200);
	position: absolute;
	left: -43px;
	bottom: -1px;
	width: 4em;
	overflow: hidden;
}

.main_area ul.type05 {
	list-style-type: disc;
}


.main_area ul.type_note {
	margin: 1em 0;
	padding: 0;
	list-style: none;
}

.main_area ul.type_note>li {
	margin: 0;
	padding-left: 2em;
	line-height: 1.4em;
	text-indent: -1.5em;
}

.main_area ul.type_note>li:before {
	content: "※";
	margin-right: 0.51em;
}

/*--テーブル--*/
.main_area table.type01,
.main_area table.type02,
.main_area table.type03 {
	margin: 1em 0;
	border-collapse: collapse;
	line-height: 1.5;
	text-align: left;
	table-layout: fixed;
	width: 100%
}

.main_area table.type01 th,
.main_area table.type01 td,
.main_area table.type02 th,
.main_area table.type02 td,
.main_area table.type03 th,
.main_area table.type03 td {
	padding: .7em .8em;
	border-top: solid 1px rgb(200, 200, 200);
	border-bottom: solid 1px rgb(200, 200, 200);
	vertical-align: middle;
}

.main_area table.type01 th+*,
.main_area table.type01 td+*,
.main_area table.type02 th+*,
.main_area table.type02 td+*,
.main_area table.type03 th+*,
.main_area table.type03 td+* {
	border-left: dotted 1px rgb(200, 200, 200);
}

.main_area table.type01 th,
.main_area table.type02 th,
.main_area table.type03 th {
	background: rgb(35, 47, 59);
	font-weight: 500;
	text-align: center;
	color: rgba(255, 255, 255, 1.00)
}

.main_area table.type01 thead th,
.main_area table.type02 thead th,
.main_area table.type03 thead th {
	background: rgb(35, 47, 59);
	color: rgba(255, 255, 255, 1.00)
}

.main_area table.type01 tbody th,
.main_area table.type02 tbody th,
.main_area table.type03 tbody th {
	background: rgb(210, 240, 255);
	color: rgba(0, 0, 0)
}


.main_area table.type01.ta_c td,
.main_area table.type02.ta_c td,
.main_area table.type03.ta_c td {
	text-align: center;
}

.main_area table.type03 th {
	width: 48px;
	height: 48px;
	vertical-align: middle;
}

.main_area table.type03 td {
	vertical-align: middle;
}

.main_area table.type03.w2 tbody {
	display: inline-block;
	vertical-align: top;
}

.main_area table.type03.w2 td {
	width: 275px;
	height: 24px;
	border-right: solid 1px rgb(200, 200, 200);
}

.main_area table.type03.w2 td[colspan="2"]:empty {
	width: auto;
	height: 48px;
}

.main_area table.type03 {
	counter-reset: count 0;
	list-style: none;
}

.main_area table.type03 span:before {
	content: counter(count) "";
	counter-increment: count 1;
	padding: 0;
	margin: 0;
}

.main_area .table_note {
	margin-top: .3em;
	font-weight: 700;
}

/*--定義リスト--*/
.main_area dl.type01 {
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	margin: .7em 0;
	border-top: solid 1px rgb(200, 200, 200);
}

.main_area dl.type01 dt,
.main_area dl.type01 dd {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	padding: .7em .5em;
	border-bottom: solid 1px rgb(200, 200, 200);
}

.main_area dl.type01 dt {
	margin: 0;
	width: 160px;
	font-weight: 700;
}

.main_area dl.type01 dd {
	margin: 0;
	width: calc(100% - 160px);
}

.main_area dl.type01.w60 dt {
	margin: 0;
	width: 60px;
	font-weight: 700;
}

.main_area dl.type01.w60 dd {
	margin: 0;
	width: calc(100% - 60px);
}

.main_area dl.type01.w80 dt {
	margin: 0;
	width: 80px;
	font-weight: 700;
}

.main_area dl.type01.w80 dd {
	margin: 0;
	width: calc(100% - 80px);
}

.main_area dl.type01.w110 dt {
	margin: 0;
	width: 110px;
	font-weight: 700;
}

.main_area dl.type01.w110 dd {
	margin: 0;
	width: calc(100% - 110px);
}

.main_area dl.type01.w120 dt {
	margin: 0;
	width: 120px;
	font-weight: 700;
}

.main_area dl.type01.w120 dd {
	margin: 0;
	width: calc(100% - 120px);
}

.main_area dl.name_affi {
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	margin: .7em 0;
}

.main_area dl.name_affi dt,
.main_area dl.name_affi dd {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	padding: .6em .5em;
	border-bottom: dotted 1px rgb(200, 200, 200);
}

.main_area dl.name_affi dt {
	margin: 0;
	width: 8rem;
	font-weight: 700;
}

.main_area dl.name_affi dd {
	margin: 0;
	width: calc(100% - 8rem);
}



.main_area dl.num_list {
	margin: 1em 0;
	padding-left: 3em;
	list-style: none;
	counter-reset: num_dl;
}

.main_area dl.num_list>dt {
	position: relative;
	margin: 0;
	padding-left: .2em;
	font-weight: 600
}

.main_area dl.num_list>dt:before {
	position: absolute;
	left: -1em;
	counter-increment: num_dl;
	content: counter(num_dl)".";
	font-weight: 500;
}

.main_area dl.num_list>dd {
	position: relative;
	margin: 0 0 1em;
	padding-left: .2em;
}

/*--Q and A--*/
.main_area dl.q_and_a {
	margin: 1.5em 0;
}

.main_area dl.q_and_a dt,
.main_area dl.q_and_a dd {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	padding: .7em 0;
}

.main_area dl.q_and_a .head {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	display: inline-block;
	margin-left: -2.4em;
	padding-right: .2em;
	width: 2.4em;
	text-align: right;
}

.main_area dl.q_and_a dt {
	margin: 0;
	padding-bottom: 0;
	padding-left: 2.4em;
	font-weight: 700;
}

.main_area dl.q_and_a dd {
	margin: 0;
	padding-top: 0;
	padding-left: 2.4em;
	border-bottom: solid 1px rgb(200, 200, 200);
}

.main_area dl.q_and_a dt .head {
	color: rgb(40, 80, 180);
}

.main_area dl.q_and_a dd .head {
	color: rgb(180, 80, 100);
}

/*--ボタン--*/
.main_area .button_box {
	position: relative;
	box-sizing: border-box;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	margin: 2rem auto;
	padding: 0;
	text-align: center;
	max-width: 1080px;
	list-style: none;
	z-index: 0;
}

.main_area .button_box li {
	width: 80%;
	margin: 0 auto;
	margin-top: 1.2em;
}

.main_area .button_box li:nth-of-type(1),
.main_area .button_box li.w2:nth-of-type(2),
.main_area .button_box li.w3:nth-of-type(2),
.main_area .button_box li.w3:nth-of-type(3) {
	margin-top: 0;
}

.main_area .button_box li a {
	position: relative;
	box-sizing: border-box;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	padding: .6em 1em .6em .8em;
	width: 100%;
	background: var(--sub-color);
	/*border:solid 1px rgb(107, 107, 107);*/
	box-shadow: 0 0 5px rgba(0, 0, 0, .3);
	font-weight: 400;
	color: rgb(255, 255, 255);
	text-decoration: none;
	transition: .2s ease-out;
	z-index: 1;
}

.main_area .button_box a::after {
	position: absolute;
	top: calc(50% - .3em);
	right: 4px;
	content: "";
	display: block;
	box-sizing: border-box;
	width: .6em;
	height: .6em;
	border-style: solid;
	border-color: rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgb(255, 255, 255);
	border-width: .3em .2em .3em .4em;
	vertical-align: 10%;
	transition: .2s ease-out;
	transition-opacity: right, border;
}

.main_area .button_box a:hover {
	background: rgb(255, 255, 255);
	color: var(--sub-color);
	box-shadow: 0 0 2px var(--sub-color);
}

.main_area .button_box a:hover::after {
	right: 0;
	border-left-color: var(--sub-color);
}

.main_area .button_box li.w3 {
	width: 32%;
}

.main_area .button_box li.w2 {
	width: 49%;
}

.main_area .button_box.m_large {
	margin-top: 4rem;
}

.main_area .button_box li.disabled a {
	pointer-events: none;
	cursor: default;
	background: rgb(204, 204, 204);
}

.main_area .button_box.guidance li {
	width: 100%;
	margin: 0 auto;
	padding: 0;
}

.main_area .button_box.guidance li a {
	padding: .2em .4em .2em .3em;
	background: rgb(255, 255, 0);
	border: solid 1px rgb(255, 255, 0);
	box-shadow: 0 0 5px rgba(0, 0, 0, .3);
	font-size: 1em;
	font-weight: 500;
	color: rgb(255, 0, 0);
	transition: .2s ease-out;
	transition-opacity: background, color;
	z-index: 1;
}

.main_area .button_box.guidance a::after {
	position: absolute;
	top: calc(50% - .3em);
	right: 4px;
	content: "";
	display: block;
	box-sizing: border-box;
	width: .6em;
	height: .6em;
	border-style: solid;
	border-color: rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgba(255, 0, 0, 1);
	border-width: .3em .2em .3em .4em;
	vertical-align: 10%;
	transition: .2s ease-out;
	transition-opacity: right, border;
}

.main_area .button_box.guidance a:hover {
	background: rgb(255, 255, 255);
	color: rgb(255, 0, 0);
}


/*--アコーディオン--*/
.main_area .oc_box {
	margin: 2em 0;
	box-shadow: 0 0 6px rgba(0, 0, 0, .2);
}

.main_area .oc_box .oc_button {
	display: none;
}

.main_area .oc_box .oc_button+label {
	position: relative;
	box-sizing: border-box;
	display: block;
	margin-top: 1em;
	padding: 0.5em .8em .5em 3em;
	background: rgb(255, 255, 255);
	border: solid 1px rgba(21, 80, 183, .5);
	border-radius: 4px 4px 0 0;
	font-size: 1.8rem;
	font-weight: 700;
	color: rgb(21, 80, 183);
	line-height: 1.5;
	transition: .2s ease-out;
	transition-property: background, color;
}

.main_area .oc_box .oc_button+label::after {
	position: absolute;
	top: calc(50% - 9px);
	left: 0;
	content: "▼";
	box-sizing: border-box;
	display: inline-block;
	margin-left: 1em;
	padding: .3em .3em;
	background: rgb(247, 117, 67);
	border-radius: 10px;
	box-shadow: 0 0 6px rgba(0, 0, 0, .2);
	font-size: 1.25rem;
	color: rgb(255, 255, 255);
	line-height: 1;
	text-align: center;
}

.main_area .oc_box .oc_button:checked+label,
.main_area .oc_box .oc_button+label:hover {
	background: rgb(21, 80, 183);
	color: rgb(255, 255, 255);
}

.main_area .oc_box .oc_button:checked+label::after {
	content: "×";
}

.main_area .oc_box>.text_area {
	box-sizing: border-box;
	height: 0;
	padding: 0 20px;
	font-size: 1.5rem;
	line-height: 1.8;
	overflow: hidden;
	opacity: 0;
	transition: .3s ease-out;
	transition-property: padding-top, padding-bottom, opacity;
}

.main_area .oc_box .oc_button:checked+label+.text_area {
	height: auto;
	border-width: 0 1px 1px 1px;
	border-style: solid;
	border-color: rgba(21, 80, 183, .5);
	border-radius: 0 0 5px 5px;
	padding-top: 1.3em;
	padding-bottom: 1.5em;
	opacity: 1;
}

.main_area .oc_box>.text_area>section>h3:first-child {
	margin-top: 0;
	font-size: 3.2rem;
}

.main_area .oc_box>.text_area>p {
	margin: .5em 0;
}

.main_area section p {
	margin-left: 1rem;
}

/*------------------------------
	img_popup
------------------------------*/
body.lb-disable-scrolling {
	overflow: hidden;
}

.lightboxOverlay {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 9999;
	background-color: black;
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=80);
	opacity: 0.8;
	display: none;
}

.lightbox {
	position: absolute;
	left: 0;
	width: 100%;
	z-index: 10000;
	text-align: center;
	line-height: 0;
	font-weight: normal;
	outline: none;
}

.lightbox .lb-image {
	display: block;
	height: auto;
	max-width: inherit;
	max-height: none;
	border-radius: 3px;

	/* Image border */
	border: 4px solid white;
}

.lightbox a img {
	border: none;
}

.lb-outerContainer {
	position: relative;
	width: 250px;
	height: 250px;
	margin: 0 auto;
	border-radius: 4px;

	/* Background color behind image.
     This is visible during transitions. */
	background-color: white;
}

.lb-outerContainer:after {
	content: "";
	display: table;
	clear: both;
}

.lb-loader {
	position: absolute;
	top: 43%;
	left: 0;
	height: 25%;
	width: 100%;
	text-align: center;
	line-height: 0;
}

.lb-cancel {
	display: block;
	width: 32px;
	height: 32px;
	margin: 0 auto;
	background: url(../img/loading.gif) no-repeat;
}

.lb-nav {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	z-index: 10;
}

.lb-container>.nav {
	left: 0;
}

.lb-nav a {
	outline: none;
	background-image: url('data:image/gif;base64,R0lGODlhAQABAPAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');
}

.lb-prev,
.lb-next {
	height: 100%;
	cursor: pointer;
	display: block;
}

.lb-nav a.lb-prev {
	width: 34%;
	left: 0;
	float: left;
	background: url(../img/prev.png) left 48% no-repeat;
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);
	opacity: 0;
	-webkit-transition: opacity 0.6s;
	-moz-transition: opacity 0.6s;
	-o-transition: opacity 0.6s;
	transition: opacity 0.6s;
}

.lb-nav a.lb-prev:hover {
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);
	opacity: 1;
}

.lb-nav a.lb-next {
	width: 64%;
	right: 0;
	float: right;
	background: url(../img/next.png) right 48% no-repeat;
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);
	opacity: 0;
	-webkit-transition: opacity 0.6s;
	-moz-transition: opacity 0.6s;
	-o-transition: opacity 0.6s;
	transition: opacity 0.6s;
}

.lb-nav a.lb-next:hover {
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);
	opacity: 1;
}

.lb-dataContainer {
	margin: 0 auto;
	padding-top: 5px;
	width: 100%;
	border-bottom-left-radius: 4px;
	border-bottom-right-radius: 4px;
}

.lb-dataContainer:after {
	content: "";
	display: table;
	clear: both;
}

.lb-data {
	padding: 0 4px;
	color: #ccc;
}

.lb-data .lb-details {
	width: 85%;
	float: left;
	text-align: left;
	line-height: 1.1em;
}

.lb-data .lb-caption {
	font-size: 13px;
	font-weight: bold;
	line-height: 1em;
}

.lb-data .lb-caption a {
	color: #4ae;
}

.lb-data .lb-number {
	display: block;
	clear: left;
	padding-bottom: 1em;
	font-size: 12px;
	color: #999999;
}

.lb-data .lb-close {
	display: block;
	float: right;
	width: 30px;
	height: 30px;
	background: url(../img/close.png) top right no-repeat;
	text-align: right;
	outline: none;
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=70);
	opacity: 0.7;
	-webkit-transition: opacity 0.2s;
	-moz-transition: opacity 0.2s;
	-o-transition: opacity 0.2s;
	transition: opacity 0.2s;
}

.lb-data .lb-close:hover {
	cursor: pointer;
	filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);
	opacity: 1;
}



/*------------------------------
	page_exhibition
------------------------------*/
/*Accordion box*/
.main_area .ac_box_01 {
	margin-bottom: 2rem 0 0;
}

.main_area .ac_box_01>.ac_button {
	box-sizing: border-box;
	position: relative;
	display: block;
	margin: 2rem 0 0;
	padding: .8em .5em .8em 2.5em;
	background: rgb(255, 255, 255);
	border: solid 1px rgb(160, 80, 0);
	font-size: 1em;
	font-weight: 700;
	color: rgb(160, 80, 0);
	line-height: 1.4;
	cursor: pointer;
	transition: .1s ease-out;
	transition-property: background, color;
}

.main_area .ac_box_01>.ac_button::before {
	content: "";
	display: block;
	position: absolute;
	top: 50%;
	left: 15px;
	width: 20px;
	border-top: solid 2px rgb(160, 80, 0);
}

.main_area .ac_box_01>.ac_button:hover::before {
	border-top: solid 2px rgb(255, 255, 255);
}

.main_area .ac_box_01>.ac_button::after {
	content: "";
	display: block;
	position: absolute;
	top: 50%;
	left: 15px;
	width: 20px;
	border-top: solid 2px rgb(160, 80, 0);
	transform: rotate(90deg);
	transition: transform .2s ease-out;
}

.main_area .ac_box_01>.ac_button:hover {
	background: rgb(160, 80, 0);
	color: rgb(255, 255, 255);
}

.main_area .ac_box_01>.ac_button:not(.clicked):hover::after {
	border-top: solid 2px rgb(255, 255, 255);
	transform: rotate(-90deg);
}

.main_area .ac_box_01>.ac_button.clicked {
	background: rgb(204, 204, 204);
	color: rgb(30, 30, 30);
	border: solid 1px rgb(204, 204, 204);
}

.main_area .ac_box_01>.ac_button.clicked::after {
	transform: rotate(0deg);
	border-color: rgb(255, 255, 255);
}

.main_area .ac_box_01>a.ac_button:not(.clicked):hover::after {
	transform: rotate(-90deg);
}

.main_area .ac_box_01>a.ac_button:not(.clicked):hover {
	background: rgb(110, 130, 170);
	color: rgb(255, 255, 255);
}

.main_area .ac_box_01>a.ac_button.clicked {
	background: rgb(255, 255, 255);
	color: rgb(38, 38, 130);
}

.main_area .ac_box_01>a.ac_button.clicked::after {
	transform: rotate(90deg);
	border-color: rgb(38, 38, 130);
}

.main_area .ac_box_01>.ac_content {
	box-sizing: border-box;
	padding: .5em 5px .8em 10px;
	width: 100%;
	display: none;
}


/*--準備中--*/
.main_area .underconstruction {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	margin: 180px auto 0;
	padding: .8em 0;
	width: 70%;
	/* max-width: 350px; */
	border-top: double 3px rgb(160, 180, 200);
	border-bottom: double 3px rgb(160, 180, 200);
	font-size: 2rem;
	text-align: center;
}



/*--２行目の文字を途中から始める--*/
.dibvat {
	display: inline-block;
	vertical-align: top;
}

/*空リンクURL表示*/
a[href]:empty::before {
	content: attr(href);
}

@media print {
	.site_title {
		position: relative !important;
	}
}