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

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

:root {
	--color-primary: #1B2B79;
	--color-secondary: #64C8E1;
	--color-tertiary: #001455;
}

/* SPのみ表示 */
.sp_on {
    display: block;

    @media (width >= 1200px) {
        & {
            display: none;
        }
    }
}

/* タブレット以上のみ表示 */
.pc_on {
    display: none;

    @media (width >= 1200px) {
        & {
            display: block;
        }
    }
}

/* ページトップへもどる */
.page_top {
    width: 40px;
    height: 40px;
    right: 10px;
    bottom: 50px;
    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);
    }
}

[class$="_container"], [class*="_container "] {
    width: 100%;
    margin-inline: auto;

    @media (width >= 1200px) {
        & {
            width: 1100px;
        }
    }
}

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

.header {
    position: relative;
    
    &::before {
        position: absolute;
        content: "";
        width: 100%;
        height: 5px;
        background-image: linear-gradient(var(--color-primary), var(--color-primary));
        background-position: center top;
        background-repeat: no-repeat;
        background-size: 100% 5px;
        z-index: 2;
    }
    
}

.header_container {
    position: relative;
    min-height: 320px;

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

    @media (width >= 414px) {
        min-height: 340px;
    }

    @media (width >= 430px) {
        min-height: 353px;
    }

    @media (width >= 768px) {
        & {
            min-height: 82px;
        }

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

    @media (width >= 820px) {
        & {
            min-height: 88px;
        }
    }

    @media (width >= 1024px) {
        & {
            min-height: 110px;
        }
    }

    @media (width >= 1200px) {
        & {
            min-height: 150px;
        }

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

    /* 子ページ */
    &.child {
        min-height: 155px;

        &::before {
            background-image: url(../images/header_small_child.jpg);
            background-size: cover;
        }

        @media (width >= 414px) {
            min-height: 165px;
        }
    
        @media (width >= 430px) {
            min-height: 171px;
        }

        @media (width >= 768px) {
            & {
                min-height: 82px;
            }
    
            &::before {
                background-image: url(../images/header_large.jpg);
            }
        }
    
        @media (width >= 820px) {
            & {
                min-height: 88px;
            }
        }
    
        @media (width >= 1024px) {
            & {
                min-height: 110px;
            }
        }
    
        @media (width >= 1200px) {
            & {
                min-height: 150px;
            }
    
            &::before {
                background-image: url(../images/header_large_pc.jpg);
            }
        }

    }

} /* header_containerここまで */


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


/* @group メインエリア
------------------------------------------------------*/
.main {
    position: relative;
    background-color: #000000;
}

/* 2カラム用 */
@media (width >= 1200px) {
    .main_container {
        display: flex;
        flex-direction: row-reverse;
    }

    .contents_wrap{
        width: 850px;
    }

    .nav-banner_wrap {
        width: 250px;
        background-color: var(--color-tertiary);
    }
}

.abstract_period {
    width: 100%;
    height: 150px;
	display: grid;
	place-items: center;
	margin-inline: auto;
    background-color: var(--color-tertiary);

    @media (width >= 1200px) {
        & {
            height: 110px;
        }
    }
}

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

.secretariat_wrap {
    min-height: 320px;
    display: grid;
	place-items: center;
	margin-inline: auto;

    @media (width >= 768px) {
        & {
            min-height: 130px;
            padding-left: 20px;
            padding-right: 20px;
            grid-template-columns: 1fr 1fr;
            justify-items: start;
            column-gap: 20px;
        }
    }

    @media (width >= 1200px) {
        & {
            grid-template-columns: 40% 1fr;
            padding-left: 0;
            padding-right: 0;
        }
    }
}

.secretariat {
    display: grid;
    gap: 12px;
    text-align: center;
    color: var(--color-primary);

    @media (width >= 768px) {
        & {
            grid-template-columns: 90px 1fr;
            justify-items: start;
            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 var(--color-primary);
    text-align: center;
}

.secretariat dl {
    line-height: 1.4;
}

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

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

.secretariat dd a {
    color: #0000FF;
}

.footer-copyright {
    min-height: 60px;
    border-image-source: linear-gradient(var(--color-primary), var(--color-primary));
    border-image-slice: fill 0;
    border-image-outset: 0 100vw 0 100vw;
    display: flex;
    justify-content: center;
    align-items: center;

    @media (width >= 768px) {
        & {
            min-height: 40px;
            justify-content: flex-start;
            justify-content: center;
        }
    }

    @media (width >= 1200px) {
        & {
            justify-content: flex-start;
        }
    }

    & > p {
        margin-left: 30px;
        margin-right: 30px;
        font-size: 12px;
        line-height: 1.4;
        color: var(--color-secondary);
        text-align: center;

        @media (width >= 1200px) {
            margin-left: 0;
            margin-right: 0;
            text-align: left;
        }
    }
}


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

.society-theme {
    position: relative;
    min-height: 348px;

    &::before {
        position: absolute;
        content: "";
        width: 100%;
        height: 100%;
        background-image: url(../images/theme_small.jpg);
        background-position: center top;
        background-repeat: no-repeat;
        background-size: cover;
    } 
    
    @media (width >= 414px) {
        & {
            min-height: 369px;
        }
    }

    @media (width >= 430px) {
        & {
            min-height: 384px;
        }
    }

    @media (width >= 768px) {
        & {
            min-height: 678px;
        }

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

    @media (width >= 820px) {
        & {
            min-height: 724px;
        }
    }

    @media (width >= 1024px) {
        & {
            min-height: 904px;
        }
    }

    @media (width >= 1200px) {
        & {
            min-height: 750px;
        }
    }

} /* society-themeここまで */

/* テーマテキスト非表示 */
.society-theme > * {
    position: absolute;
    left: -9999em;
}

.news {
    position: relative;
    width: 100%;
    padding-bottom: 20px;
    background-color: #000000;

    /* ニュースタイトル */
    & > h2 {
        width: 100%;
        height: 32px;
        background-image: linear-gradient(to right, var(--color-secondary) 0%, var(--color-primary) 50%, transparent 100%);
        background-position: left top;
        background-repeat: no-repeat;
        background-size: 100% 100%;
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    
        @media (width >= 1200px) {
            & {
                height: 30px;
            }
        }
    
        & span {
            margin-left: 17px;
            font-size: 15px;
            font-weight: bold;
            color: var(--color-primary);
            line-height: 1;
        }
    
        @media (width >= 1200px) {
            & span {
                margin-left: 20px;
            }
        }
    }

    /* ニュースリスト */
    & > .news-list {
        height: 230px;
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding-left: 17px;
        padding-right: 17px;
        overflow-y: auto;
        line-height: 1.4;

        @media (width >= 1200px) {
            & {
                height: 160px;
                padding-left: 22px;
                padding-right: 22px;
                margin-bottom: 10px;
                gap: 15px;
            }
        }

        & > li {
            display: flex;
            align-items: baseline;

            & > .date {
                width: 90px;
                font-weight: bold;
                font-size: 13px;
                color: var(--color-secondary);

                @media (width >= 1200px) {
                    & {
                        width: 100px;
                    }
                }
            }

            & > .excerpt {
                flex: 1;
                font-size: 12px;
                color: #FFFFFF;
            }
        }
    }
}

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

.page-contents {
    min-height: 80vh;
    background-color: #FFFFFF;

    @media (width >= 768px) {
        & {
            min-height: 1000px;
        }
    }

    @media (width >= 1200px) {
        & {
            margin-top: 12px;
            border-bottom: 1px solid #000000;
        }
    }
}

.page-title {
    position: relative;
    padding: 25px 10px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to right, var(--color-primary) 50%, #000000 100%);
    background-position: left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    box-shadow: inset 0 -5px 5px -5px rgba(0, 0, 0, 0.5);

    & > span {
        position: relative;
        padding-left: 15px;
        font-size: clamp(1.375rem, 1.116rem + 1.103vi, 1.875rem);
        font-weight: bold;
        font-feature-settings: "palt";
        color: var(--color-secondary);
        text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.7);
        line-height: 1.2;
    }

    @media (width >= 768px) {
        & > span {
            padding-left: 40px;
        }
    }

    @media (width >= 1200px) {
        & {
            padding: 32px 15px;
        }

        & > span {
            padding-left: 20px;
        }
    }
    
}

.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;
    line-height: 1.7;
}

/* 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: 30px;
}

.page-body>section>*+* {
    margin-block-start: 20px;
}

.page-body>section>section>*+* {
    margin-block-start: 10px;
}

/* 見出し */
.heading_h3 {
	padding: .3em .5em;
	border-left: 5px solid var(--color-primary);
}

.heading_h3 span {
	display: inline-block;
	position: relative;
	padding: 0 .2em .2em;
	font-size: clamp(1.25rem, 1rem + 0.8vi, 1.5rem);
	font-weight: bold;
	color: #333333;
	text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
	line-height: 1.4;
    font-feature-settings: "palt";
}

.heading_h4 {
	border-bottom: 1px solid #CCCCCC;
}

.heading_h4 span {
	display: inline-block;
	position: relative;
	padding: 0 .4em .2em 0;
	font-size: clamp(1rem, 0.875rem + 0.4vi, 1.125rem);
	font-weight: bold;
	color: #333333;
    font-feature-settings: "palt";
}

.heading_h4 span::before {
	position: absolute;
	bottom: -3px;
	left: 0;
	width: 100%;
	height: 3px;
	background-color: var(--color-primary);
	content: '';
}

.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';
    /* Excelファイルの後（fa-file-excel） */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 0.5em;
}

.mail:after {
    content: '\f0e0';
    /* メールアイコン（fa-envelope） */
    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: '\f00c';
    /* チェックマーク（fa-check） */
    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: 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 */
.button_container {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 10px;
    margin-bottom: 10px;

    @media (width >= 768px) {
        flex-direction: row;
    }
}

.button_jshnc51 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 50px;
    padding: 12px 20px;
    box-sizing: border-box;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    line-height: 1.2;

    @media (width >= 768px) {
        max-width: 320px;
    }
}

.button_jshnc51:hover {
    text-decoration: none;
}

.button_jshnc51.primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: 2px solid var(--color-primary);
}

.button_jshnc51.primary:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    filter: brightness(1.1);
}

.button_jshnc51.secondary {
    background-color: var(--color-secondary);
    color: #FFFFFF;
    border: 2px solid var(--color-secondary);
}

.button_jshnc51.secondary:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    filter: brightness(1.1);
}

/* 会長挨拶
------------------------------------------------------*/
.presidentBox {
	position:relative;
	border-bottom:1px solid #ccc;
	padding:10px 15px;
	margin:0 auto;
}
.presidentBox img{
	width:150px;
	float:right;
}
.presidentBox .name {
	position:absolute;
	top:137px;
	right:185px;
	line-height: 1.4;
	text-align:right;
}
.mainTxt02 {
	line-height:180%;
	text-indent:1em;
}
.img_greeting {
    width: 70%;
    display: block;
    margin: 40px 0 0 auto;
}
@media (max-width: 768px) {
	.presidentBox img {
		display: block;
		float: none;
		margin: 20px auto;
	}
	.presidentBox .name {
		position: static;
		text-align: center;
	}
    .img_greeting {
        width: 100%;
    }
}

/* 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: "\f14b";
	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-primary);
	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;
    }
}