@charset "utf-8";
@import url("https://use.fontawesome.com/releases/v5.15.4/css/all.css");
@import url("https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css");
/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
base layout
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/
html {
    scroll-behavior: smooth;
}

.wrapper {
    width: 100%;
}

/* .header > * {
    width: min(92%, 960px);
    margin: 0 auto;
} */

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

.contents {
    width: 100%;
}
@media (width >= 768px) {
    .contents {
        width: 730px;
    }
}

.nav_wrap {
    width: 100%;
}
@media (width >= 768px) {
    .nav_wrap {
        width: 230px;
    }
}

/* .footer > div {
    width: min(92%, 960px);
    margin: 0 auto;
} */

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

:root {
	--key-color: #006EC8;
	--sub-color: #0096DF;
	--point-color: #F9EB21;
	box-sizing: border-box;
    --space-s: 1em;
    --space-m: 2em;
    --space-l: 3em;
}

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

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

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

a img: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: 45px;
    position: fixed;
    border: 1px solid #333333;
    background: #333333;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
@media (width >= 768px) {
    .page_top {
        right: 20px;
        bottom: 20px;
    }
}
.page_top::before {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    transform: rotate(-45deg);
}

/* @group ヘッダーエリア
------------------------------------------------------*/

.header {
    width: 100%;
    height: 280px;
    background-image: linear-gradient(var(--key-color), var(--key-color));
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 5px;
}
@media (width >= 768px) {
    .header {
        height: 164px;
    }
}

.header_container {
    position: relative;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    height: 100%;
}
@media (width >= 768px) {
    .header_container {
        width: 96%;
    }
}
@media (width >= 1024px) {
    .header_container {
        width: 960px;
    }
}

.header_container::before {
    position: absolute;
    content: "";
    width: 94%;
    height: 280px;
    background-image: url(../images/header_sp.svg);
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
}

@media (width <= 767px) {
    .header_container::before {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
}

@media (width >= 768px) {
    .header_container::before {
        width: 100%;
        height: 164px;
        background-image: url(../images/header_pc.svg);
        background-size: contain;
        background-position: left center;
        background-repeat: no-repeat;
        object-fit: cover;
    }
}

@media (width <= 767px) {
    .header.child {
        
    }
}

.header_container > * {
    position: absolute;
    left: -9999em;
}

/* @group メインエリア
------------------------------------------------------*/
.main {
    position: relative;
    background-color: #F0F0F0;
    background-image: linear-gradient(to bottom, var(--sub-color), var(--sub-color));
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 330px;
}
@media (width >= 768px) {
    .main {
        background-size: 100% 684px;
    }
}
.main::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 5px;
    background-image: linear-gradient(#004097, rgba(0, 63, 151, 0)); 
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: 1;
}

.main_container {
    width: 100%;
}
@media (width >= 768px) {
    .main_container {
        width: 960px;
        margin: 0 auto;
    }
}

/* @group ナビゲーションエリア
------------------------------------------------------*/

.nav_wrap {
    width: 100%;
    position: relative;
    background-color: #FFFFFF;
}
@media (width >= 768px) {
    .nav_wrap {
        width: 230px;
    }
}

.poster-download {
    width: 100%;
    height: 130px;
    display: grid;
    place-content:center;
	place-items:center;
}
@media (width >= 768px) {
    .poster-download {
        height: 80px;
        margin-top: 62px;
    }
}

.poster-download a {
    width: 210px;
    margin-left: auto;
    margin-right: auto;
}
.poster-download a img {
    width: 210px;
    height: auto;
}

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

.secretariat_wrap {
    width: 100%;
    min-height: 315px;
    border-image-source: linear-gradient(var(--key-color),var(--key-color));
    border-image-slice: fill 0;
    border-image-outset: 0 100vw 0 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    row-gap: 30px;
}
@media (width >= 768px) {
    .secretariat_wrap {
        min-height: 95px;
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
        column-gap: 10px;
        padding-top: 30px;
    }
}
@media (width >= 1024px) {
    .secretariat_wrap {
        justify-content: space-between;
        column-gap: 10px;
    }
}

.footer_container {
    width: 98%;
    margin: 0 auto;
}
@media (width >= 768px) {
    .footer_container {
        width: 960px;
    }
}

.secretariat {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 10px;
    text-align: center;
}

@media (width >= 768px) {
    .secretariat {
        flex-direction: row;
        align-items: flex-start;
        column-gap: 10px;
        text-align: left;
    }
}

.secretariat h3 span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 35px;
    font-size: 15px;
    font-weight: bold;
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
    text-align: center;
}

.secretariat dl {
    color: #fff;
}

.secretariat dt {
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: bold;
}

.secretariat dd {
    font-size: 12px;
    line-height: 1.3;
}

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

.footer-copyright {
    height: 50px;
    border-image-source: linear-gradient(var(--point-color),var(--point-color));
    border-image-slice: fill 0;
    border-image-outset: 0 100vw 0 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
@media (width >= 768px) {
    .footer-copyright {
        height: 30px;
    }
}

.footer-copyright small {
    font-size: 12px;
    line-height: 1.4;
    color: var(--key-color);
}

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

.society-theme {
    position: relative;
    width: 100%;
    height: 330px;
}
.society-theme::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 330px;
    background-image: url(../images/society-theme_sp.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

@media (width >= 768px) {
    .society-theme {
        width: 730px;
        height: 684px;
    }

    .society-theme::before {
        width: 100%;
        height: 684px;
        background-image: url(../images/society-theme_pc.jpg);
        background-size: cover;
    }
}

.society-theme > * {
    position: absolute;
    left: -9999em;
}

.news {
    position: relative;
    width: 92%;
    margin: 0 auto;
    padding-bottom: 20px;
}
@media (width >= 768px) {
    .news {
        width: 730px;
        padding-bottom: 15px;
    }
}

@media (width <= 767px) {
    .news h2 {
        border-image-source: linear-gradient(var(--key-color),var(--key-color));
        border-image-slice: fill 0;
        border-image-outset: 0 100vw 0 100vw;
    }
}

.news h2 {
    height: 27px;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
@media (width >= 768px) {
    .news h2 {
        background-color: var(--key-color);
    }
}

.news h2 span {
    margin-left: 5px;
    font-size: 15px;
    font-weight: bold;
    color: var(--point-color);
}
@media (width >= 768px) {
    .news h2 span {
        margin-left: 12px;
    }
}

.news-list {
    height: 200px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    line-height: 1.4;
}
@media (width >= 768px) {
    .news-list {
        height: 150px;
        margin-left: 25px;
        margin-right: 25px;
        margin-bottom: 10px;
        gap: 15px;
    }
}

.news-list li {
    display: flex;
    font-size: 12px;
}

.date {
    width: 90px;
    font-weight: bold;
    font-size: 13px;
    color: #0D3792;
}
@media (width >= 768px) {
    .date {
        width: 100px;
    }
}

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

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

.page-contents {
    position: relative;
    min-height: 100vh;
    background-color: #FFFFFF;
}
@media (width >= 768px) {
    .page-contents {
        min-height: 905px;
    }
}

.page-contents::before {
    position: absolute;
    content: "";
    width: 5px;
    height: 100%;
    background-image: linear-gradient(to right, rgba(0, 63, 151, 0.5) 0%, rgba(0, 63, 151, 0) 100%);
    background-position: left 5px;
    background-repeat: no-repeat;
    background-size: 5px 100%;
    z-index: 1;
}

.page-title {
    position: relative;
    background-color: var(--sub-color);
    margin-bottom: 20px;
    padding: 7px;
    width: 100%;
    box-sizing: border-box;
    z-index: 0;
}
@media (width >= 768px) {
    .page-title {
        padding: 9px;
    }
}

.page-title::after {
    content: '';
    background: inherit;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    transform: skewY(-2deg);
    transform-origin: top right;
  }

.page-title > span {
    display: block;
    margin-top: 10px;
    margin-left: 15px;
	font-size: clamp(1.125rem, 1.011rem + 0.485vw, 1.375rem);
	font-weight: bold;
    font-feature-settings: "palt";
    text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.2);
    color: var(--point-color);
}
@media (width >= 768px) {
    .page-title > span {
        margin-top: 25px;
        margin-left: 20px;
    }
}

/* .page-title span::before {
    content: "\f5ad";
    font-family: "Font Awesome 5 Free";
    margin-right: .5em;
    font-size: 0.85em;
    position: relative;
    bottom: 1px;
    color: #FFFFFF;
    opacity: 0.7;
} */

.page-body {
    padding: 20px 20px 30px 20px;
}
@media (width >= 768px) {
    .page-body {
        padding: 40px 20px 40px 20px;
    }
}

/* 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-m);
}

.page-body > section > * + * {
    margin-top: 15px;
}

/* 見出し
--------------------------*/
.heading_h3 {
	position: relative;
	margin-bottom: 10px;
}

.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: "\f14a";
	font-family: "Font Awesome 5 Free";
	margin-right: 0.5em;
	font-weight: 900;
	font-size: 0.75em;
	position: relative;
	bottom: 2px;
	color: var(--sub-color);
}

.heading_h4 {
	position: relative;
	padding: 0.75em 0.75em 0.5em 0.25em;
	margin-bottom: 10px;
}

.heading_h4::after {
	position: absolute;
	top: 0.5em;
	left: 0;
	content: "";
	width: 6px;
	height: -webkit-calc(100% - 1em);
	height: calc(100% - 1em);
	background-color: rgba(0, 0, 0, 0.2);
	border-radius: 4px;
}

.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;
}

/* 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: 1.8em;
}

.list-style > * + * {
    margin-top: 0.25em;
}

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

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

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

/* 方法1: text-indent と padding-left の組み合わせ */
.asterisk {
    padding-left: 1.2em;
    text-indent: -0.9em;
}

/* 方法2: table レイアウトを使用 */
.kome_ja > * {
    display: table;
    width: 100%;
}

.kome_ja > *:before {
    display: table-cell;
    content: "※";
    width: 1em;
}
/* 英語　* */
.kome_en > * {
	display:table;
	width: 100%;
	
	&:before {
		display: table-cell;
		content: "*";
		width: 1em;
	}
}

/*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;
}

.tbl-style01 tbody th {
    background-color: #EEEEEE;
    padding: .5em;
}
.tbl-style01 tbody td {
    background-color: #FFFFFF;
    padding: 1.5em;
}

.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;
}

/* ボタン */

.btn_wrap {
    display: grid;
    gap: 20px;
}

.btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
@media (width >= 768px) {
    .btn {
        flex-direction: row;
    }
}

.btn a {
    width: 100%;
    max-width: 320px;
    background: linear-gradient(to bottom, var(--sub-color), var(--sub-color));
    background-repeat: no-repeat;
    background-position: left top;
    box-shadow: 0 3px var(--key-color);
    position: relative;
    display: inline-block;
    top: -2px;
    padding: 15px 0;
    border-radius: 6px;
    text-decoration: none;
    color: #FFF;
    font-weight: bold;
    text-align: center;
    display: block;
    transition: background .5s, box-shadow .5s, top .5s;
}
@media (width >= 768px) {
    .btn a {
        min-width: 200px;
    }
}

.btn a:hover {
    background-image: linear-gradient(to bottom, var(--sub-color), var(--sub-color));
    box-shadow: 0 1px var(--key-color);
    top: 1px;
}

/* 開催概要
--------------------------*/
.overview-detail {
    display: grid;
    row-gap: 15px;
    font-feature-settings: "palt";
}
@media (width >= 768px) {
    .overview-detail {
        grid-template-columns: 105px 1fr;
        column-gap: 15px;
        row-gap: 30px;
        padding-left: 10px;
        padding-right: 10px;
    }
}

.overview-detail dt {
    margin-top: 10px;
    height: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--key-color);
    padding-left: 10px;
    line-height: 1;
    
}
@media (width >= 768px) {
    .overview-detail dt { 
        column-gap: 10px;
        margin-top: 0;
    }
}

.overview-detail dt span {
    color: #FFFFFF;
}

@media (width <= 767px) {
    .overview-detail dt span::before {
        content: "\f14a";
        font-family: "Font Awesome 5 Free";
        margin-left: .5em;
        margin-right: .5em;
        font-weight: 900;
        font-size: 0.8em;
        position: relative;
        bottom: 1px;
        color: #FFFFFF;
        opacity: 0.7;
    }
}

@media (width >= 768px) {
    .overview-detail dt::after {
        content: "\f0da";
        font-family: "Font Awesome 5 Free";
        margin-right: .75em;
        font-weight: 900;
        font-size: 0.8em;
        position: relative;
        bottom: 1px;
        color: #FFFFFF;
    }
}

.overview-detail dd {
    border-bottom: 1px dotted #CCCCCC;
    padding-bottom: 3px;
    margin-left: 1em;
    line-height: 1.7;
}
@media (width >= 768px) {
    .overview-detail dd {
        padding-bottom: 5px;
        padding-top: 2px;
        margin-left: 0px;
    }
}

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

.chair img {
    width: 160px;
    height: auto;
}

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

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

/* 会場アクセス */
.venue-info {
    border: 1px solid #ccc;
    padding: 10px;
    figure {
        width: 160px;
        margin: 10px auto 20px;
        img {
            width: 100%;
            height: auto;
        }
    }
}
.venue_heading {
    font-size: 1.3em;
    display: block;
    margin-top: 10px;
}

@media (min-width:768px) {
    .venue-info {
        display: flex;
        gap: 20px;
        figure {
            margin: 0;
        }
    }
}

/* 協賛申込 */

.flow_wrap {
    display: grid;
    gap: 1.5em;
}

.flow_list:not(:last-child)::after {
    content: "\f063";
    font-family: "Font Awesome 5 Free";
    margin-right: .75em;
    font-weight: 900;
    font-size: 2em;
    position: relative;
    top: 0.5em;
    bottom: 1px;
    left: 3em;
}

.flow_list dt {
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 1.1em;
    color: var(--sub-color);
}

.flow_list dd {
    margin-left: 1.3em;
    line-height: 1.7;
}

.faq_wrap {
    display: grid;
    gap: 1.5em;
}

.faq_list > * {
    display: flex;
    justify-content: flex-start;
}

.faq_list > * >:first-child {
    width: 30px;
}

.faq_list dt {
    margin-bottom: 5px;
    font-weight: bold;
}