@charset "utf-8";
@import url("https://use.fontawesome.com/releases/v5.15.4/css/all.css");

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

:root {
    --color_primary: #208CBD;
    --color_secondary: #2EB6AA;
    --color_tertiary: #0D1A2F;
}


/* SP、PC表示切り替え */
.sp_on {
    display: block; /* SPのみ表示 */

    /* 2カラム用 */
    @media (width >= 1200px) {
	    & { /* PCのみ表示 */
            display: none;
        }
    }
}

.pc_on {
    display: none;

    /* 2カラム用 */
    @media (width >= 1200px) {
	    & { /* PCのみ表示 */
            display: block;
        }
    }
}


/* ページトップへもどる */
.page_top {
    width: 40px;
    height: 40px;
    right: 20px;
    bottom: 60px;
    position: fixed;
    background-image: linear-gradient(var(--color_secondary), var(--color_secondary));
    background-position: left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;

    &::before {
        content: "";
        display: block;
        width: 5px;
        height: 5px;
        border-top: 1px solid var(--color_tertiary);
        border-right: 1px solid var(--color_tertiary);
        transform: rotate(-45deg);
    }
}


.wrapper {
    width: 100%;
}

/* @group メインエリア
------------------------------------------------------*/
.main {
    width: 100%;

    @media (width >= 1200px) {
        & {
            background-color: #0D1A2F;
            background-image: linear-gradient(to bottom, #208CBD 0%, #0D1A2F 60%);
            background-repeat: no-repeat;
            background-size: 100% 1360px;
        }
    }
}

.main_container {
    width: 100%;

    @media (width >= 1200px) {
        & {
            width: 1100px;
            margin-left: auto;
            margin-right: auto;
            display: flex;
            flex-direction: row-reverse;
        }
    }
}

/* @group コンテンツエリア
------------------------------------------------------*/

.contents {
    width: 100%;
}

@media (width >= 1200px) {
    .contents {
        width: 850px;
    }
}

/* サイドメニューありの場合表示させる影 */
@media (width >= 1200px) {

    .contents {
        min-height: 1360px;
        position: relative;

        &::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            background-image: url(../images/shadow.png);
            background-size: cover;
            background-position: left top;
            background-repeat: no-repeat;
            width: 10px;
            height: 1360px;
            z-index: 3;
            mix-blend-mode: multiply;
        }
    }

}

.header {
    width: 100%;
}

.header_container {
    position: relative;
    width: 100%;
    min-height: 692px;

    &::before {
        content: "";
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background-image: url(../images/header_small.jpg);
        background-position: center bottom;
        background-repeat: no-repeat;
        background-size: cover;
        z-index: 1;
    }

    &.child {
        min-height: 173px;

        &::before {
            background-image: url(../images/society-title_small.jpg);
            background-position: center bottom;
        }
    }

    @media (width >= 390px) {
        & {
            min-height: 720px;
        }

        &.child {
            min-height: 180px;
        }
    }

    @media (width >= 414px) {
        & {
            min-height: 785px;
        }

        &.child {
            min-height: 191px;
        }
    }
    
    @media (width >= 768px) {
        & {
            min-height: 1030px;

            &::before {
                background-image: url(../images/header_large.jpg);
                background-position: center bottom;
            }
        }

        &.child {
            min-height: 271px;

            &::before {
                background-image: url(../images/society-title_large.jpg);
                background-position: center bottom;
            }
        }  
    }

    @media (width >= 820px) {
        & {
            min-height: 1100px;
        }

        &.child {
            min-height: 289px;
        }
    }

    @media (width >= 1024px) {
        & {
            min-height: 1373px;
        }

        &.child {
            min-height: 361px;
        }

    }

    @media (width >= 1200px) {
        & {
            min-height: 1140px;
        }
        
        &.child {
            min-height: 240px;

            &::before {
                background-image: url(../images/society-title_large_pc.jpg);
            }
        }
    
    }


} /* .header_containerスタイルここまで */

/* ヘッダー内のテキスト非表示 */
.header_container > * {
    position: absolute;
    left: -9999em;
}

/* トップページお知らせ */
.news {
    position: relative;
    width: 100%;
    background-color: #FFFFFF;
    padding-bottom: 20px;
    z-index: 2;
}

@media (width >= 1200px) {
    .news {
        position: relative;
        width: 100%;
        background-color: #FFFFFF;
        padding-bottom: 20px;
        z-index: 2;
    }
}

.news h2 {
    width: 100%;
    height: 32px;
    background-color: var(--color_tertiary);
    background-image: linear-gradient(to right, #208CBD 0%, rgba(32, 139, 189, 0.5) 70%, transparent 100%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: left top;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
@media (width >= 1200px) {
    .news h2 {
        height: 30px;
    }
}

.news h2 span {
    margin-left: 20px;
    font-size: 15px;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}
@media (width >= 1200px) {
    .news h2 span {
        margin-left: 30px;
    }
}

.news-list {
    height: 140px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-left: 20px;
    padding-right: 20px;
    overflow-y: auto;
    line-height: 1.4;
}
@media (width >= 1200px) {
    .news-list {
        height: 150px;
        padding-left: 30px;
        padding-right: 30px;
    }
}

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

.date {
    width: 85px;
    font-weight: bold;
    color: #057491;
}

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

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

.nav_wrap {
    width: 100%;
    background-color: var(--color_tertiary);
}
@media (width >= 1200px) {
    .nav_wrap {
        width: 250px;
        margin-top: 32px;
        background-color: transparent;
    }
}

.poster_download {
    width: 100%;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (width >= 768px) {
    .poster_download {
        height: 130px;
    }
}

.poster_download a {
    width: 230px;
    height: 80px;
}

.poster_download a img {
    width: 100%;
    height: 100%;
}

.secretariat_wrap {
    width: 100%;
}

@media (width >= 768px) {
    .secretariat_wrap {
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    .secretariat {
        width: 50%;
    }
}

@media (width >= 1200px) {
    .secretariat_wrap {
        display: block;
        margin-top: 24px;
        padding-top: 20px;
    }

    .secretariat {
        width: 100%;
    }
}

.secretariat h3 {
    width: 100%;
    height: 30px;
    margin-bottom: 10px;
    background-image: linear-gradient(to right, #208CBD 0%, rgba(32, 139, 189, 0.5) 70%, transparent 100%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: left top;
    display: flex;
    align-items: center;
}

.secretariat h3 span {
    margin-left: 24px;
    margin-top: 3px;
    font-size: 14px;
    font-weight: bold;
	color: #FFFFFF;
    line-height: 1;
}

@media (width >= 1200px) {
    .secretariat h3 span {
        margin-left: 13px;
    }
}

.secretariat dl {
    margin-left: 24px;
    padding-bottom: 30px;
    color: #FFFFFF;
    line-height: 1.4;
}

@media (width >= 1200px) {
    .secretariat dl {
        margin-left: 13px;
        padding-bottom: 30px;
    }
}

.secretariat dt {
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: bold;
}

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

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

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

.footer {
    width: 100%;
    background-color: var(--color_primary);
}

.footer_container {
    width: 100%;
}
@media (width >= 1200px) {
    .footer_container {
        width: 1100px;
        margin-left: auto;
        margin-right: auto;
    }
}

.footer-copyright {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 40px;
    padding-right: 40px;
    font-size: 12px;
    color: #FFFFFF;
    line-height: 1.4;
    text-align: center;
}

@media (width >= 768px) {
    .footer-copyright {
        height: 40px;
    }
}

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

.page-contents {
    position: relative;
    min-height: 800px;
    background-color: #FFFFFF;
}
@media (width >= 768px) {
    .page-contents {
        min-height: 1050px;
    }
}

@media (width >= 1200px) {
    .page-contents {
        min-height: 1140px;
    }
}

/* 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: 30px;

    @media (width >= 768px) {
        & {
            margin-top: 40px;
        }
    }
}

.page-title {
    padding: 15px 10px;
    background-color: var(--color_tertiary);
    background-image: linear-gradient(to right, #208CBD 0%, rgba(32, 139, 189, 0.5) 70%, transparent 100%);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: left top;

    & > span {
        position: relative;
        padding-left: 20px;
        font-size: clamp(1.125rem, 0.375rem + 2.4vi, 1.875rem);
        font-weight: bold;
        font-feature-settings: "palt";
        color: #FFFFFF;
        text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
    }

    @media (width >= 768px) {
        & {
            padding: 20px 15px;

             & > span {
                padding-left: 30px;
            }
        }
    }
    
}

.page-body {
    padding: 0 min(4%, 20px) min(6%, 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: 20px;
}

/* 見出し */
.heading_h3 {
	position: relative;
	padding: 1em .75em .75em 1em;
    margin-bottom: 10px;
    text-indent: -.75em;
}
.heading_h3::after {
	position: absolute;
	top: .5em;
	left: 0;
	content: '';
	width: 6px;
	height: -webkit-calc(100% - 1em);
	height: calc(100% - 1em);
	background-color: var(--color_secondary);
	border-radius: 4px;
}

.heading_h3 > span {
    margin-left: 0.5em;
    font-size: clamp(1.063rem, 0.988rem + 0.32vi, 1.188rem);
    font-weight: bold;
    text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.2);
    color: var(--color_primary);
}

.heading_h3 > span span {
    display: block;
    font-size: 0.8em;
    margin-left: 0.75em;
}

.heading_h4 {
    padding: .5em .7em .5em 0;
    color: var(--color_secondary);
}

.heading_h4 > span {
    font-size: clamp(1rem, 0.875rem + 0.4vi, 1.125rem);
    font-weight: bold;
    font-feature-settings: "palt";
}

.heading_h4 > span::before {
    font-family: "Font Awesome 5 Free";
    content: "\f45c";
    font-weight: 900;
    font-size: 0.8em;
    padding-right: .7rem;
    color: var(--color_tertiary);
    position: relative;
    bottom: 1px;
}

.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: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: .5em;
    margin-right: .5em;
}

.pdf:after {
    content: '\f1c1';
    /* PDFファイルの後（fa-file-pdf） */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.word:after {
    content: '\f1c2';
    /* WORDファイルの後（fa-file-word） */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.ppt:after {
    content: '\f1c4';
    /* PPTファイルの後（fa-file-powerpoint） */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.excel:after {
    content: '\f1c3';
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.mail:after {
    content: '\f003';
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.cipher a:before {
    content: '\f023';
    /* 暗号通信の前（fa-lock） */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-right: .5em;
}

.check::before {
    content: '\f046';
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    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: .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;
}

/* ボタンスタイル */
.btn_wrap {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: center;
    margin: 20px 0;
}

@media (width >= 768px) {
    .btn_wrap {
        flex-direction: row;
        gap: 20px;
        justify-content: center;
    }
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color_tertiary);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--color_tertiary);

    &:hover {
        background-color: var(--color_primary);
        border-color: var(--color_primary);
        color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }

    &:active {
        transform: translateY(0);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    @media (width >= 768px) {
        & {
            padding: 14px 28px;
            font-size: 18px;
        }
    }
    
    @media (width >= 1200px) {
        & {
            padding: 16px 32px;
            font-size: 20px;
        }
    }
    
}

/* 会長挨拶 */

.about_the_chairman {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    border-bottom: 1px solid #DDDDDD;
    padding-bottom: 15px;
    font-size: clamp(0.875rem, 0.81rem + 0.276vi, 1rem);
    text-align: center;
    line-height: 1.4;

    & img {
        width: 150px;
        height: auto;
    }

    @media (width >= 768px) {
        & {
            flex-direction: row;
            justify-content: flex-start;
            align-items: flex-end;
            text-align: left;
        }
    }
}

.greeting_text_wrap > * + * {
    margin-top: 1em;
}

.greeting_text {
	text-indent: 1em;
	font-size: 15.2px;
	line-height: 2;
	margin-top: 5px;
}

/* 開催概要 */

.overview-list {
	display: flex;
	flex-wrap: wrap;
	row-gap: 10px;
    font-feature-settings: "palt";
    line-height: 1.4;
}

.overview-list dt {
	width: 100%;
	font-weight: bold;
	color: var(--color_primary);
}

.overview-list dt:before {
	content: "\f14a";
	font-family: "Font Awesome 5 Free";
	margin-right: 0.5em;
	font-size: 0.85em;
	font-weight: 900;
	position: relative;
	bottom: 1px;
	color: var(--color_secondary); 
    opacity: 0.5;
}

.overview-list dd {
    flex: 1;
	border-top: 1px dotted var(--color_secondary);
	padding-left: 20px;
    padding-top: 10px;
    padding-bottom: 20px;
}

.overview-list dd > span,
.overview-list dd > ul > li > span {
    display: block;
}

.overview-list dd ul {
	list-style: none;
	padding-left: 0;
    line-height: 1.4;
}

.overview-list dd ul>*+* {
	margin-top: 5px;
}

@media (width >= 768px) {
	.overview-list {
        row-gap: 20px;
		column-gap: 10px;
        padding-left: 20px;
	}

    .overview-list dt,
    .overview-list dd {
        padding-bottom: 10px;
        padding-top: 10px;
    }
	
	.overview-list dt {
		width: 130px;
        text-indent: -1.1em;
        padding-left: 1.1em;
	}
	
	.overview-list dd {
		flex: 0 0 calc(100% - 130px - 10px);
        border-top: none;
        border-bottom: 1px dotted var(--color_primary);
        padding-left: 5px;
	}

	.overview-list dd > span,
	.overview-list dd > ul > li > span {
        display: inline;
    }
}


/* リンク */
.link-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 0 10px;

    @media (width >= 768px) {
        & {
            padding: 0 20px;
        }
    }
}

  
  .link-list li {
    background-image: linear-gradient(to right, var(--color_secondary), transparent);
    background-size: 200px 1px;
    background-repeat: no-repeat;
    background-position: left bottom;
    font-weight: bold;
    font-size: clamp(1rem, 0.935rem + 0.276vi, 1.125rem);
    text-indent: -1.2em;
    margin-left: 1em;
  }
  
  .link-list li::before {
    content: "\f05a";
    font-family: "Font Awesome 5 Free";
    margin-right: .5em;
    font-size: 0.8em;
    position: relative;
    bottom: 1px;
    opacity: 0.7;
    color: var(--color_secondary);
  }
  
  .link-list li a {
    color: var(--color_primary);
  }