@charset "utf-8";

/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
base layout
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/
html {
    scroll-behavior: smooth;
}

.wrapper {
    width: 100%;
	margin: 0 auto;
}

.main > div {
   /* width: min(92%, 960px);*/
	width: 100%;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .main > div {
		width: min(92%, 1100px);
        display: flex;
        flex-direction: row-reverse;
		margin: 0 auto;
    }
}

.contents {
    width: 100%;
}

@media (min-width: 768px) {
    .contents {
        width: 850px;
    }
}

.nav_secretariat {
    width: 100%;
	background-color: var(--key-color);
	padding-top: 0px;
	margin-top: 0px;
}
@media (min-width: 768px) {
    .nav_secretariat {
        width: 250px;
		margin-top: 0px;
		padding-top: 0px;
    }
}

.footer > div {
    width: min(92%, 1100px);
    margin: 0 auto;
}


/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
base module & style
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/

:root {
	--key-color: #000;
	--sub-color: linear-gradient(to right, #008f45, #89c33f);
    --sub-color-single: #008f45;
	--point-color: #F8F102;
    --accent-color: #ee5a24;
	box-sizing: border-box;
    --space-s: 0.5em;
    --space-m: 1em;
    --space-l: 2em;
}

/* SP、PC表示切り替え */
.sp_on {
    display: block; /* SPのみ表示 */
}
@media (min-width: 768px) {
	.sp_on {
        display: none;
    }
}

.pc_on {
    display: none;
}
@media (min-width: 768px) {
	.pc_on {
        display: block; /* PCのみ表示 */
    }
}

a {
    color: #0000FF;
    text-decoration: none;
}

a:hover {
    filter: brightness(90%) contrast(110%);
    transition: all 1s;
    text-decoration: none;
}

/* ページトップへもどる */
.page_top {
    width: 40px;
    height: 40px;
    right: 10px;
    bottom: 55px;
    position: fixed;
    border: 1px solid #fff;
    background: var(--point-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
@media (min-width: 768px) {
    .page_top {
        right: 20px;
        bottom: 20px;
    }
}
.page_top::before {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
    transform: rotate(-45deg);
}

/* @group メインエリア
------------------------------------------------------*/

.main {
    width: 100%;
    background-color: var(--key-color);
    /*background-image: linear-gradient(var(--key-color), var(--key-color)), url(../images/bg_sp.png);*/
    /*background-position: center top, left 5px;*/
    background-repeat: no-repeat;
    /*background-size: 100% 5px, 10px 705px;*/
}
@media (min-width: 768px) {
    .main {
        background-color: var(--key-color);
		background-position: center top, top left;
		background-repeat: no-repeat, repeat;
    }
}

/*.contents {
	
}

.contents::before {
	
}*/

/* @media screen and (max-width:767px) {
    .contents {
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: calc(50vw - 50%);
        padding-right: calc(50vw - 50%);
    }
} */

@media (min-width: 768px) {
    .contents {
        position: relative;
		min-height: 1070px;
    }

    .contents::before {
        position: absolute;
        content: "";
        width: 10px;
        height: 1070px;
        /*background-image: url(../images/shadow.png);*/
        background-position: left 55px;
        background-repeat: no-repeat;
        background-size: 10px 1070px;
        left: 0;
        mix-blend-mode: multiply;
        z-index: 1;
    }

}


/* @group ナビゲーション、運営事務局エリア
------------------------------------------------------*/

/*.poster-download {
    display: flex;
    justify-content: center;
    margin-top: 60px;
    margin-bottom: 20px;
}
@media (min-width: 768px) {
    .poster-download {
        margin-top: 40px;
        margin-bottom: 20px;
    }
}*/

.secretariat:nth-of-type(even) {
    margin-top: 0px;
}
@media (min-width: 768px) {
    .secretariat:nth-of-type(even) {
        /* margin-top: 30px; */
        margin-top: 430px;
    }
}


.secretariat h3 {
    height: 30px;
    background-image: var(--sub-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.secretariat h3 span {
    margin-left: 10px;
    margin-top: 2px;
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
    color: #fff;
	padding: 0 2%;
}
@media (min-width: 768px) {
    .secretariat h3 span {
        margin-left: 10px;
    }
}


.secretariat dl {
    color: #fff;
	padding: 0 2% 19px;
}
@media (min-width: 768px) {
    .secretariat dl {
        margin-left: 10px;
    }
}

.secretariat dt {
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: bold;
    line-height: 1.4;
}
@media (min-width: 768px) {
    .secretariat dt {
        font-size: 13px;
    }
}

.secretariat dd {
    font-size: 12px;
    line-height: 1.4;
}

.secretariat dd a {
    color: #00ffff;
}

/* @group フッターエリア
------------------------------------------------------*/

.footer {
    /* height: 90px; */
    height: 40px;
    background-color: #ee5a24;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* @media (min-width: 768px) {
    .footer {
        height: 30px;
    }
} */

.footer-copyright p {
    width: 100%;
    /* height: 90px; */
	text-align: center;
    /* font-size: 15px; */
    font-size: 12px;
    color: #fff;
    line-height: 1.5;
	/* padding-top: 25px; */
}

/* @media (min-width: 768px) {
    .footer-copyright p {
        height: 30px;
		font-size: 12px;
		text-align: center;
		padding-top: 5px;
    }
} */



/* @group トップページ
------------------------------------------------------*/

.society-title {
    /*display: flex;*/
    justify-content: center;
	padding-top: 0px;
	padding-bottom: 0;
}
@media (min-width: 768px) {
    .society-title {
        width: 850px;
        padding-top: 0px;
		padding-bottom: 5px;
        justify-content: flex-end;
		position: absolute;
		top: 0;
		z-index: 100;
    }
}

.society-title img {
    width: 100%;
    height: auto;
	margin: 0px auto 0;
}
@media (min-width: 768px) {
    .society-title img {
        width: 850px;
        height: auto;
		margin: 0px auto 0;
    }
}

.cnt-home {
	/*border-top: 2px solid #386a64;*/
	width: 100%;
	height: auto;
	min-height: 100%;
}
@media (min-width: 768px) {
    .cnt-home {
		/*border-top: 1px solid #386a64;*/
		width: 100%;
		height: auto;
		min-height: 1080px;
	}
}

.contents.home > div:nth-of-type(1) {
    position: relative;
    width: 100%;
    /*display: flex;*/
	height: auto;
    justify-content: space-between;
    margin-top: 0px;
    z-index: 1;
	background: url("../images/cnt-home_sp.png") no-repeat;
	background-size: cover;
	padding-bottom: 0%;
}
@media (min-width: 768px) {
    .contents.home > div:nth-of-type(1) {
		position: relative;
    	width: 100%;
    	/*display: flex;*/
		height: auto;
    	justify-content: space-between;
    	margin-top: 0px;
		padding-bottom: 0;
    	z-index: 1;
		background: url("../images/cnt-home.png") no-repeat;
    }
}


.society-outline img {
    width: 100%;
    height: auto;
	margin: 0 auto;
}
@media (min-width: 768px) {
    .society-outline img {
        width: 850px;
        height: auto;
		margin: 0;
		position: absolute;
		left: 0;
		top: 181px;
    }
}

.society-theme {
    margin: 0 auto;
}

.society-theme img {
    width: 100%;
    height: auto;
	margin: 12% auto 40px;
}
@media (min-width: 768px) {
    .society-theme img {
        width: 80px;
        height: 730px;
		margin: 0;
		position: absolute;
		left: 385px;
		top: 445px;
    }
}


/*.society-video {
    width: 100%;
    position: relative;
    margin-top: -10px;
}
@media (min-width: 768px) {
    .society-video {
        width: 730px;
        margin-top: -200px;
    }
}

.society-video::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 30px;
    background-image: linear-gradient(to bottom, #dee3cb, #ebe8c9);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    top: 0;
}

.society-video .movie {
    width: 100%;
    height: 395px;
    object-fit: cover;
    position: relative;
}
@media (min-width: 768px) {
    .society-video .movie {
        width: 730px;
        height: 760px;
    }
}

.society-video::after {
    position: absolute;
    content: "";
    width: 100%;
    height: 50px;
    background-image: linear-gradient(to top, #FFFFFF 30%, transparent);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    bottom: 0;
    left: 0;
}

.movie__btn {
    position: relative;
    z-index: 1;
}

.movie__btn button {
    width: 150px;
    font-size: 12px;
    padding: 0.5em 1em;
    border-radius: 50px;
    box-shadow: initial;
    display: inline-block;
    appearance: none;
    border: 1px solid #333;
    background-color: initial;
    cursor: pointer;
    position: absolute;
}

@media (min-width: 768px) {
    .movie__btn button {
        top: 20px;
        left: 20px;
    }
}*/

@media screen and (max-width:767px) {
    .news,
    .news h2 {
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: calc(50vw - 50%);
        padding-right: calc(50vw - 50%);
    }
}

.news {
    margin-top: 0px;
    background: #fff;
}
@media (min-width: 768px) {
    .news {
        width: 850px;
        margin-top: 180px;
    }
}

.tit-new {
	margin: 0 auto 30px;
	width: 94%;
	height: 30px;
	color: #fff;
	background-image: var(--sub-color);
	line-height: 1.8em;
	padding-left: 6%;
	font-size: 1.3em;
	font-weight: 600;
}
.tit-new img {
	margin: 0 auto;
}

@media screen and (min-width:768px) {
	.tit-new {
		margin: 0 auto 30px;
		width: 820px;
		height: 30px;
		color: #fff;
		background-image: var(--sub-color);
		line-height: 1.7em;
		padding-left: 30px;
		font-size: 1.3em;
		font-weight: 600;
	}
	.tit-new img {
		margin: 0 auto;
	}
}

/*.news h2 {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

.news h2::after {
    position: absolute;
    content: "";
    width: 100px;
    height: 30px;
    background-image: linear-gradient(var(--sub-color), var(--sub-color)), linear-gradient(var(--key-color), var(--key-color));
    background-position: left bottom, right bottom;
    background-repeat: no-repeat;
    background-size: 50px 5px, 50px 5px;
}

.news h2 span {
	color: var(--key-color);
    font-size: 17px;
    font-weight: bold;
    margin-bottom: 10px;
}*/

.news-list {
    height: 210px;
    padding: 0 20px;
    margin-bottom: 0px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow-y: scroll;
    line-height: 1.4;
}
@media (min-width: 768px) {
    .news-list {
		width: 790px;
        height: 210px;
		padding: 0 30px;
		margin-bottom: 0;
		display: flex;
		flex-direction: column;
		gap: 14px;
		overflow-y: scroll;
		line-height: 1.4;
    }
}

.news-list li {
    display: flex;
    font-size: 1.1em;
}
@media (min-width: 768px) {
    .news-list li {
    	display: flex;
    	font-size: 14px;
	}
}

.date {
    width: 140px;
    font-weight: bold;
    color: #39b24a;
}
@media (min-width: 768px) {
    .date {
        width: 120px;
    }
}

.excerpt {
    flex: 1;
    color: #666666;
}

/* @group ページ共通
------------------------------------------------------*/

@media screen and (max-width:768px) {
    .page-contents {
        min-height: 680px;
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: calc(50vw - 50%);
        padding-right: calc(50vw - 50%);
    }
}

.page-contents {
    min-height: 600px;
    margin-top: 15px;
   /* background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, #FFFFFF 70px, #FFFFFF 100%);*/
	background-color: #fff;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
	
	border-bottom: 2px solid #191e32;
}
@media (min-width: 768px) {
    .page-contents {
        min-height: 1230px;
        padding-top: 10px;
		margin-top: 190px;
    }
}


/* 既存の垂直マージンを削除 */
.page-contents > * {
	margin-top: 0;
	margin-bottom: 0;
}

/* 連続する要素だけに上方向のマージンを適用 */
.page-contents > * + * {
	margin-top: var(--space, 1.5rem);
}

@media screen and (max-width:768px) {
    .page-title {
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: calc(50vw - 50%);
        padding-right: calc(50vw - 50%);
    }
}

.page-title {
    width: 100%;
    height: 40px;
    display: flex;
    align-items: center;
    background: var(--sub-color);
	background-image: linear-gradient(to bottom, #ea1c24, #ee5a24);
    background-position: left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    /* margin-bottom: 30px; */
	/*border-bottom: 2px solid var(--key-color);*/
}
@media (min-width: 768px) {
    .page-title {
        /* width: 760px; */
        width: 780px;
		margin: 5px auto;
    }
}


.page-title > span {
    margin-left: 5px;
    font-size: clamp(1.25rem, 1.111rem + 0.445vi, 1.5rem);
    font-weight: bold;
    color: #000;
    text-indent: -1.5em;
    margin-left: 3em;
	line-height: 1.9;
}
@media (min-width: 768px) {
    .page-title > span {
        text-indent: -2em;
        margin-left: 3em;
		line-height: 1.9;
    }
}

/*
.page-title > span::before {
    font-family: "Font Awesome 5 Free";
    content: "\f192";
    font-weight: 900;
    font-size: 0.9em;
    padding-right: .7rem;
    opacity: 0.5;
}
*/

.page-body {
    padding: 10px 4%;
}
@media (min-width: 768px) {
    .page-body {
        padding: 10px 40px;
    }
}


/* 既存の垂直マージンを削除 */
.page-body>* {
    margin-top: 0;
    margin-bottom: 0;
}

/* 連続する要素だけに上方向のマージンを適用 */
/*
.page-body>*+* {
    margin-block-start: var(--space, 2em);
}
*/

.page-body>section>* {
    margin-top: 0;
    margin-bottom: 0;
}

.page-body>section>*+* {
    margin-block-start: var(--space, 1em);
}

/* 見出し
--------------------------*/
.heading_h3 {
    position: relative;
    margin-bottom: 10px;
	border-bottom: solid 0.5px #ccc;
  }
  
	/* 右側ライン 
	.heading_h3::before {
    position: absolute;
    top: 50%;
    z-index: 1;
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--sub-color);
    opacity: 0.3;
  }*/
  
  .heading_h3 > span {
    position: relative;
    z-index: 2;
    display: inline-block;
    padding: 0 1em 0 0;
    background-color: #fff;
    font-size: clamp(0.938rem, 0.832rem + 0.451vi, 1.125rem);
    font-weight: bold;
    /*text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.2);*/
    font-feature-settings: "palt";
    color: var(--key-color);
  }
  
  .heading_h3 > span::before {
    content: "\f0da";
    font-family: "Font Awesome 5 Free";
    margin-right: 0.5em;
    font-weight: 900;
    font-size: 0.8em;
    position: relative;
    bottom: 2px;
    opacity: 0.5;
  }
  
  .heading_h4 {
    position: relative;
    padding: 0.75em 0.75em 0.5em 0.25em;
    margin-bottom: 5px;
  }
  .heading_h4::after {
    position: absolute;
    top: 0.8em;
    left: 0;
    content: "";
    width: 2px;
    height: -webkit-calc(100% - 1em);
    height: calc(80% - 1em);
    background-image: var(--sub-color);
    border-radius: 1px;
  }
  
  .heading_h4 > span {
    margin-left: 0.5em;
    font-size: clamp(0.875rem, 0.8rem + 0.32vw, 1rem);
    font-weight: bold;
    color: var(--key-color);
  }

.under_construction {
    text-align: center;
    font-size: 1.1em;
    padding-top: 50px;
}

/* .page-body p,
.page-body ul,
.page-body ol,
.page-body dl,
.page-body table,
.page-body figcaption {
    font-size: clamp(0.813rem, 0.727rem + 0.364vw, 1rem);
} */

/* アイコン
--------------------------*/

.exlink::after {
    content: "\f360";
    font-family: "Font Awesome 5 Free";
    font-size: 0.85em;
    font-weight: 900;
    margin-left: .5em;
}


.download:before {
    content: '\f019';
    /* ダウンロードのアイコン */
    font-family: FontAwesome;
    margin-left: .5em;
    margin-right: .5em;
}

.pdf:after {
    content: '\f1c1';
    /* PDFファイルの後（fa-file-pdf-o） */
    font-family: FontAwesome;
    margin-left: 0.5em;
}

.word:after {
    content: '\f1c2';
    /* WORDファイルの後（fa-file-word-o） */
    font-family: FontAwesome;
    margin-left: 0.5em;
}

.ppt:after {
    content: '\f1c4';
    /* PPTファイルの後（fa-file-powerpoint-o） */
    font-family: FontAwesome;
    margin-left: 0.5em;
}

.excel:after {
    content: '\f1c3';
    font-family: FontAwesome;
    margin-left: 0.5em;
}

.mail:after {
    content: '\f003';
    font-family: FontAwesome;
    margin-left: 0.5em;
}

.cipher a:before {
    content: '\f023';
    /* 暗号通信の前（fa-lock） */
    font-family: FontAwesome;
    margin-right: .5em;
}

.check::before {
    content: '\f046';
    font-family: FontAwesome;
    margin-right: .3em;
}

/*罫線*/

hr {
    border: none;
    border-top: 1px solid #ccc;
}

hr.hr-full {
    margin: 0 .75em 1.5em;
    box-shadow: 1px 1px 1px rgba(0, 71, 157, 0.2);
}

/* ハイライト */
.text-highlight {
    background: linear-gradient(transparent 40%, #f6ff5f 40%);;
}

.inline {
    display: inline;
}

/*文字詰め*/

.feature {
    font-feature-settings: "palt";
}

/*囲み*/

.enclosure01 {
    border: 1px;
    border-style: solid;
    padding: 0.75em 1em;
}

.enclosure02 {
    display: inline-block;
    border: 1px;
    border-style: solid;
    padding: .5em 1em;
}

.enclosure-style01 {
    border-color: #DDDDDD;
    background: #FFFFFF;
}

.enclosure-style02 {
    border: 3px solid rgba(245, 200, 200, 0.4);
    background: rgba(245, 200, 200, 0.1);
}
.enclosure-style03 {
	border: 3px solid #ff0000;
	background: #FFFFFF;
	border-radius: 10px;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;

}


/*リストスタイル*/
.list-style01 {
    margin-left: 2em;
    margin-right: 2em;
    font-size: clamp(0.875rem, 0.818rem + 0.242vw, 1rem);
}

.list-style01 li {
    margin-bottom: .3em;
}

.list-style {
    list-style-position: outside;
    padding-left: 1.5em;
}

.list-disc {
    list-style-type: disc;
}

.list-circle {
    list-style-type: circle;
}

.list-num {
    list-style-type: decimal;
}

.list-num2 {
    list-style-type: decimal-leading-zero;
}


/*※入り*/
.asterisk {
    padding-left: 1.2em;
    text-indent: -0.9em;
}

.asterisk li::before {
    content: '※';
    margin-right: .3em;
    position: relative;
    bottom: 1px;
}

/*表組み*/
.tbl-sp {
    overflow-x: auto;
}

.tbl-sp table {
    min-width: 690px;
}
.tbl-width100 {
    width: 100%;
}

.tbl-width50 {
    width: 50%;
}

.tbl-style01 thead th {
    background-color: #DDD;
    border: 1px #CCCCCC;
    border-style: solid;
    padding: .5em;
}

.tbl-style01 tbody th,
.tbl-style01 tbody td {
    border: 1px #CCCCCC;
    border-style: solid;
	vertical-align: middle;
}

.tbl-style01 tbody th {
    background-color: #EEEEEE;
    padding: .5em;
}
.tbl-style01 tbody td {
    background-color: #FFFFFF;
    padding: .5em;
}

.tbl-style02 tbody th,
.tbl-style02 tbody td {
    border: 1px #FFFFFF;
    border-style: solid;
}

.tbl-style02 tbody th {
    background-color: #FFFFFF;
    padding: .5em;
}

.tbl-style02 tbody td {
    background-color: #FFFFFF;
    padding: .5em;
}

.th-c-m th {
    text-align: center;
    vertical-align: middle;
}

.th-l-m th {
    text-align: left;
    vertical-align: middle;
}

.th-l-t th {
    text-align: left;
    vertical-align: top;
}

.td-c-m td {
    text-align: center;
    vertical-align: middle;
}

.td-l-m td {
    text-align: left;
    vertical-align: middle;
}

.td-l-t td {
    text-align: left;
    vertical-align: top;
}

/* 開催概要 */
.outline_style {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    font-feature-settings: "palt";
}
@media (min-width: 768px) {
    .outline_style {
        flex-direction: row;
        gap: 0;
        margin-left: 10px;
        margin-bottom: 30px;
        font-feature-settings: "palt";
    }
}

.outline_style dt {
    width: 100%;
}
@media (min-width: 768px) {
    .outline_style dt {
        width: 120px;
    }
}

.outline_style dt > span {
    height: 30px;
    display: flex;
    align-items: center;
    border: solid 1px var(--sub-color);
    color: var(--sub-color);
    font-weight: bold;
    padding-left: 1em;
}
@media (min-width: 768px) {
    .outline_style dt > span {
        justify-content: center;
        align-items: center;
        padding-left: 0;
    }
}

.outline_style dd {
    flex: 1;
    margin-left: 10px;
    padding: 3px 7px;
    /*border-bottom: 1px rgba(41, 169, 224, 0.2);
    border-style: solid;*/
}
.twitter-timeline{
	margin:30px auto!important;
}
@media (min-width: 768px) {
    .outline_style dd {
        margin-left: 20px;
    }
	.twitter-timeline{
		margin:30px 3px 30px 0!important;
	}
}

.outline_style dd > ul > li {
    margin-bottom: 3px;
}

.outline_style dd > ul > li > span {
    display: inline-block;
}

/* ごあいさつ */

.chairman {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    gap: 10px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    text-align: right;
	margin-bottom: 10px;
}
@media screen and (max-width:767px) {
    .chairman {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
    }
}

.chairman img {
    width: 170px;
    height: auto;
	border: solid 1px #ccc;
}

.chairman span {
    font-size: 1.2em;
}

.salutation p {
    text-indent: 1em;
    margin-bottom: 1em;
    padding: 0 .5em;
    line-height: 1.7;
}



.heading_h3--theme {
    position: relative;
    margin-bottom: 10px;
}

.heading_h3--theme > span {
position: relative;
z-index: 2;
display: inline-block;
padding: 0 1em 0 0;
background-color: #fff;
font-size: clamp(0.938rem, 0.832rem + 0.451vi, 1.125rem);
font-weight: bold;
text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.2);
font-feature-settings: "palt";
color: var(--key-color);
}

/* ボタン */
.btn_basic {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}
@media (min-width: 768px) {
    .btn_basic {
        flex-direction: row;
    }
}

.btn_basic li {
    display: flex;
    justify-content: center;
}

.btn_basic li a {
    width: 100%;
    min-width: 240px;
	margin: auto;
    font-size: clamp(0.875rem, 0.79rem + 0.364vw, 1.063rem);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: inline-block;
    text-align: center;
    font-weight: bold;
    padding: 0.7em 0.5em;
    border: 2px solid #27AD02;
    /*border-radius: 30px;*/
    position: relative;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.1);
    color: #196E02;
    text-decoration: none;
    transition: 0.3s ease all;
    z-index: 1;
}

.btn_basic li a:before {
    transition: 0.5s all ease;
    position: absolute;
    top: 0;
    left: 50%;
    right: 50%;
    bottom: 0;
    opacity: 0;
    content: '';
    /*background-color: #a08ebc;*/
	background-image: var(--sub-color);
    z-index: -1;
	/*border-radius: 30px;*/
}

.btn_basic li a:hover, .btn_basic li a:focus {
    color: white;
}

.btn_basic li a:hover:before, .btn_basic li a:focus:before {
    transition: 0.5s all ease;
    left: 0;
    right: 0;
    opacity: 1;
}

.btn_basic li a:active {
    transform: scale(0.9);
}

.btn_reg li a {
	min-width: 330px;
}

.btn_basic.wid_auto li a {
    width: auto;
}

.btn_basic.alt_btn li a {
    width: min(100%, 420px);
}
.btn_basic.alt_btn li {
    flex: 1;
}

/*
プログラム
--------------------------*/
.pro_date {
	font-size:0.9em;
	font-weight:bold;
	text-align:right;
	margin:5px 0 5px 0px;
}
	.pro_date span {
		color:#333;
		font-weight: normal;
	}


.pro_title {
	border: solid 0.5px var(--sub-color);
	margin-bottom: 10px;
}
.pro_title p {
	font-size:1.1em;
	font-weight:bold;
	/*color:#006BB3;*/
	/*border: solid 1px #BBE0CF;*/
	padding: 3px 5px;
	clear: both;
}
	.pro_title p span {
		float: none;
		font-size: 0.9em;
	}
.pro_title p > span::before {
    font-family: "Font Awesome 5 Free";
    content: "\f073";
    font-weight: 900;
    font-size: 0.9em;
    padding-right: .5rem;
    opacity: 0.5;
}

@media (min-width: 768px) {

	.pro_title p span {
		float: right;
		font-size: 0.9em;
	}

}

.pro_theme {
	font-size:1.1em;
	font-weight:bold;
	color: var(--sub-color);
	margin:5px 0 0px 0em;
}
.pro_theme span {
	font-size:0.9em;
	color:#666;
}


.proBox {
	margin-bottom:50px;
}

dl.pro_person {
	margin: 0 0 20px 20px;
}
	dl.pro_person dt {
		clear:left;
		float:left;
		margin-bottom: 5px;
	}
	dl.pro_person dd {
		padding-left:0;
		margin-bottom: 5px;
	}
dl.pro_person dd {
	display: flex;
}
dl.pro_person dd span:first-child {
	font-weight: 600;
	display: inline-block;
	width: 100px;
}
dl.pro_person dd span:nth-child(2) {
	text-indent: -1em;
	padding-left: 1em;
    width: calc(100% - 100px);
}

/* 会長挨拶 */
.chair_item {
    display: grid;
    grid-template-columns: 40% 60%;
    margin-bottom: 20px;
    transition: all .3s;
    &:hover {
        filter: opacity(0.8);
    }
}
.chair_item .chair_img {
    width: 100%;
}
.chair_item .chair_img img {
    width: 100%;
    height: auto;
}
.chair_item .chair_caption {
    padding: 1em;
    display: flex;
    flex-direction: column;
    gap: .5em;
    color: #fff;
    font-size: clamp(0.75rem, 0.631rem + 0.51vw, 0.875rem);
    line-height: 1.4;
}
.chair_wrapper .chair_item:first-child {
    background-color: #e44c00;
    border-left: 2px solid #e44c00;
}
.chair_wrapper .chair_item:nth-child(2) {
    background-color: var(--sub-color-single);
    border-left: 2px solid var(--sub-color-single);
}
.chair_wrapper .chair_item:nth-child(3) {
    background-color: #a060a3;
    border-left: 2px solid #a060a3;
}

.chair_name {
    padding-top: .5em;
}
.chair_name span:first-child {
    font-size: 1em;
}
.chair_name span:nth-child(2) {
    font-size: 1.2em;
    font-weight: bold;
    margin-left: 1em;
}

.greeting_h3 {
    padding: .8em .5em;
    text-align: center;
}
.greeting_h3 span {
    font-size: clamp(0.938rem, 0.639rem + 1.27vw, 1.25rem);
    color: #fff;
    font-weight: bold;
}
.greeting_h3.h3_52nd {
    background-color: #e44c00;
}
.greeting_h3.h3_56th {
    background-color: var(--sub-color-single);
}
.greeting_h3.h3_43rd {
    background-color: #a060a3;
}


@media (width >= 768px){
    .chair_wrapper {
        display: grid;
        grid-template-columns: repeat(3,1fr);
        gap: 2em;

    }
    .chair_item {
        grid-template-columns: 1fr;
    }
    .chair_wrapper .chair_item:first-child,
    .chair_wrapper .chair_item:nth-child(2),
    .chair_wrapper .chair_item:nth-child(3) {
        border-left: none;
    }
    .chair_wrapper .chair_item:first-child {
        border-top: 2px solid #e44c00;
    }
    .chair_wrapper .chair_item:nth-child(2) {
        border-top: 2px solid var(--sub-color-single);
    }
    .chair_wrapper .chair_item:nth-child(3) {
        border-top: 2px solid #a060a3;
    }
    .chair_item .chair_caption {
        padding: 1em 1.5em;
    }
}

.chair_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3em;
}
.chair_message p {
    text-align: justify;
    text-indent: 1em;
    line-height: 1.7;
}
.chair_message {
    padding-bottom: 20px;
}

/* 演題募集期間バナー */
.cfa_banner {
    display: flex;
    justify-content: center;
    margin-block: 20px 40px;
}

/* 開催概要 */
.dl_overview {
	margin:10px 1em 20px;
}
	.dl_overview dt {
		width: 7em;
		padding-left: 1em;
		clear:left;
		float:left;
		text-align: left;
		color: #039305;
		font-weight: bold;
	}
	.dl_overview dd {
		padding-left:10em;
		padding-bottom:20px;
		margin-bottom:20px;
		border-bottom:2px solid #D3F0D5;
	}
@media(max-width:640px) {
	.dl_overview dt {
		width: 100%;
		padding-left: 0.5em;
		float:none;
		text-align: left;
		ccolor: #039305;
		font-weight: bold;
		border-bottom:2px solid #D3F0D5;
	}
	.dl_overview dd {
		padding-left:1.5em;
		padding-top: 5px;
		padding-bottom:10px;
		margin-bottom:20px;
		border: none;
	}
}

/* リンク
--------------------------*/
.ul_linkList {
    border-bottom: 2px solid #D3F0D5;
    box-sizing: border-box;
    padding: 20px;
}

.ul_linkList li:first-child {
    font-size: 1.1em;
    font-weight: 500;
    text-indent: -1.5em;
    margin-left: 1.0em;
}

.ul_linkList li:first-child::before {
    content: "\f35d";
    font-family: "Font Awesome 5 Free";
    margin-right: 1.0em;
    font-weight: 600;
    font-size: 0.75em;
    position: relative;
    bottom: 2px;
    color: #039305;
}