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

/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
font setting 2026
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/
body {
    font-family: "Helvetica Neue",
      Arial,
      "Hiragino Kaku Gothic ProN",
      "Hiragino Sans",
      "Noto Sans JP",
      sans-serif;
      overflow-wrap: anywhere;
      word-break: normal;
  }
/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
base module & style
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/

:root {
    --primary-color: #C8AB3D;
    --secondary-color: #15264E;
    --tertiary-color: #66C6F1;
  }



.sp_on {
    display: block;

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

.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: 70px;
    position: fixed;
    background-image: linear-gradient(var(--primary-color), var(--primary-color));
    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;

    @media (width >= 768px) {
        & {
            bottom: 50px;
        }
    }

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

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

.main {
    width: 100%;
    background-color: #213255;
    min-height: 100vh;

    @media (width >= 1200px) {
        & {
            min-height: 1320px;
        }
    }
}

.main_container {
    width: 100%;

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

.contents {
    width: 100%;

    @media (width >= 1200px) {
        & {
            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: 1310px;
        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;
            mix-blend-mode: multiply;
            width: 10px;
            height: 1310px;
            z-index: 3;
            opacity: 0.5;
        }
    }
}

.society_title {
    position: relative;
    width: 100%;
    min-height: 180px;

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

    @media (width >= 414px) {
        min-height: 191px;
    }

    @media (width >= 430px) {
        min-height: 198px;
    }

    @media (width >= 768px) {
        min-height: 267px;

        &::before {
            background-image: url(../images/society_title_large.png);
        }
    }

    @media (width >= 820px) {
        min-height: 285px;
    }

    @media (width >= 1024px) {
        min-height: 355px;
    }

    @media (width >= 1200px) {
        min-height: 295px;
    }
}

.society_theme {
    position: relative;
    width: 100%;
    height: 360px;

    & > video {
        width: 100%;
        height: auto;
        object-fit: cover;
        object-position: center -10px;
        
    }

    @media (width >= 414px) {
        height: 375px;
    }

    @media (width >= 430px) {
        min-height: 325px;
    }

    @media (width >= 768px) {
        width: 84%;
        margin-inline: auto;
        height: 520px;

        & > video {
            object-position: center -50px;
        }
    }

    @media (width >= 820px) {
        height: 550px;
    }

    @media (width >= 1024px) {
        height: 700px;

        & > video {
            object-position: center -60px;
        }
    }

    @media (width >= 1200px) {
        width: 84%;
        margin-inline: auto;
        height: 570px;

        & > video {
            object-position: center -50px;
        }
    }
}
.society_overview {
    position: relative;
    width: 100%;
    min-height: 150px;

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

    @media (width >= 414px) {
        min-height: 159px;
    }

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

    @media (width >= 768px) {
        min-height: 230px;

        &::before {
            background-image: url(../images/society_overview_large.png);
        }
    }

    @media (width >= 820px) {
        min-height: 246px;
    }

    @media (width >= 1024px) {
        min-height: 307px;
    }

    @media (width >= 1200px) {
        min-height: 255px;
    }
}

/* トップ概要テキスト非表示 */
.society_title > *, .society_overview > *, .society_theme > p {
    position: absolute;
    left: -9999em;
}

/* What’s New */
.news {
    position: relative;
    width: 100%;
    background-color: #FFFFFF;
    padding-bottom: 20px;
    z-index: 2;

    & > h2 {
        width: 100%;
        height: 30px;
        background-color: var(--primary-color);
        display: flex;
        align-items: center;
        margin-bottom: 20px;

        & > span {
            margin-left: 26px;
            font-size: 15px;
            font-weight: bold;
            color: var(--secondary-color);
            line-height: 1;
        }
    }

    & > .news-list {
        height: 160px;
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding-left: 24px;
        padding-right: 24px;
        overflow-y: auto;
        line-height: 1.4;

        @media (width >= 768px) {
            & {
                height: 130px;
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        & > li {
            display: flex;
            font-size: 12px;

            & > .date {
                width: 80px;
                font-weight: bold;
                color: var(--secondary-color);
            }

            .excerpt {
                flex: 1;
                color: #666666;
            }
        }
        
    }
} /* What’s New 終わり */

.nav_wrap {
    position: relative;
    width: 100%;

    @media (width >= 1200px) { 
        width: 250px;
        z-index: 1;
    }
}

.logo {
    display: none;

    @media (width >= 1200px) {
        & {
            display: block;
            width: 250px;
            height: 130px;
            display: grid;
            place-items: center;
    
            & > img {
                width: 85px;
                height: 85px;
            }
        }
    }
}


.secretariat_wrap {
    width: 100%;

    @media (width >= 768px) {
        & {
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            gap: 2px;
        }
    }

    @media (width >= 1200px) {
        & {
            width: 250px;
            flex-direction: column;
        }
    }

    & > .secretariat {
        width: 100%;

        & > h3 {
            width: 100%;
            height: 30px;
            margin-bottom: 10px;
            background-color: var(--primary-color);
            display: flex;
            align-items: center;

            & > span {
                margin-left: 24px;
                margin-top: 3px;
                font-size: 14px;
                font-weight: bold;
                color: var(--secondary-color);
                line-height: 1;

                @media (width >= 1200px) {
                    & {
                        margin-left: 13px;
                    }
                }
            }
        }

        & > dl {
            margin-left: 24px;
            padding-bottom: 20px;
            color: var(--primary-color);
            line-height: 1.3;

            @media (width >= 1200px) {
                & {
                    margin-left: 13px;
                }
            }

            & > dt {
                margin-bottom: 5px;
                font-size: 13px;
                font-weight: bold;
            }
            
            & > dd {
                font-size: 12px;

                & > a {
                    color: #00FFFFFF;
                }
            }
        }
    }
}

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

.footer {
    position: relative;
    background-image: linear-gradient(to right, #66C6F1 0%, #A8CC06 33%, #DF86B4 66%, #9A9DCD 100%);

    & > .footer_container {
        width: 100%;

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

        & > .footer-copyright {
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-left: 10px;
            padding-right: 10px;
            font-size: 12px;
            color: var(--secondary-color);
            line-height: 1.4;
            text-align: center;

            @media (width >= 768px) {
                & {
                    height: 40px;
                }
            }
        }
    }
}

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

.page-contents {
    min-height: 80vh;
    background-color: #FFFFFF;
    padding: 20px 10px;
}
@media (width >= 768px) {
    .page-contents {
        min-height: 100vh;
        padding: 20px 20px;
    }
}

@media (width >= 1200px) {
    .page-contents {
        min-height: 1030px;
    }
}

.page-title {
    width: 96%;
    margin-inline: auto;
    border-bottom: 1px solid var(--secondary-color);
    padding: 15px 0 0;
    margin-bottom: 20px;
    
    @media (width >= 768px) {
        & {
            padding: 20px 0 0;
            margin-bottom: 30px;
        }
    }

    & > span {
        display: inline-block;
        padding-bottom: 5px;
        border-bottom: 3px solid var(--secondary-color);
        font-family: serif;
        font-size: clamp(1.25rem, 0.875rem + 1.2vi, 1.625rem);
        font-weight: bold;
        font-feature-settings: "palt";
        color: var(--secondary-color);
        line-height: 1.3;
    }
}


.page-body {
    padding: 0px 10px 30px 10px;
}
@media (width >= 768px) {
    .page-body {
        padding: 0px 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: 20px;
}

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

.page-body > section > section > section + section {
    margin-top: 10px;
} 

/* 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-image: linear-gradient(to top, var(--secondary-color), var(--primary-color));
	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_h4 {
    padding: .5em .7em .5em 0;
    color: var(--main-color);
}

.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(--primary-color);
    position: relative;
    bottom: 1px;
}

.heading_h5 {
    border-bottom: 1px solid #CCCCCC;
    margin-bottom: 10px;

    > span {
        font-size: clamp(0.875rem, 0.75rem + 0.4vi, 1rem);
        font-weight: bold;
        font-feature-settings: "palt";
    }
}

.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（fa-download） */
    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: '\f003';
    /* メール（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: '\f046';
    /* チェック（fa-check-square） */
    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 */
.btn_wrap {
    display: flex;
	flex-direction: column;
	margin: 20px 0;
	gap: 20px;
	align-items: center;
	text-align: center;

    @media (width >= 768px) {
        & {
            flex-direction: row;
            margin: 30px 0;
            gap: 30px;
            justify-content: center;
        }
    }
}

.btn_style01 {
	display: inline-block;
	background: linear-gradient(
		135deg,
		var(--primary-color),
		var(--secondary-color)
	);
	color: #ffffff;
	text-decoration: none;
	padding: 12px 24px;
	border-radius: 8px;
	font-weight: bold;
	font-size: 0.9rem;
	transition: all 0.3s ease;
	box-shadow: 0 4px 15px rgba(0, 50, 120, 0.3);
	position: relative;
	overflow: hidden;
	width: 320px;
	text-align: center;

    @media (width >= 768px) {
        & {
            padding: 15px 30px;
            font-size: 1rem;
            width: 320px;
        }
    }
}

.btn_style01::before {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.2),
		transparent
	);
	transition: left 0.5s;
}

.btn_style01:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(0, 50, 120, 0.4);
	text-decoration: none;
}

.btn_style01:hover::before {
	left: 100%;
}

.btn_style01:active {
	transform: translateY(0);
	box-shadow: 0 2px 10px rgba(0, 50, 120, 0.3);
}

.btn_style01 span {
	position: relative;
	z-index: 1;
}

/* 開催概要 */

.overview-list {
    display: flex;
    flex-direction: column;
    row-gap: 15px;
    line-height: 1.5;
    font-feature-settings: "palt";

    @media (width >= 768px) {
        align-items: baseline;
        flex-direction: row;
        flex-wrap: wrap;
        padding-left: 10px;
        padding-right: 10px;
        row-gap: 30px;
        column-gap: 20px;
    }
  }
  
  .overview-list dt {
    width: 100%;
    min-height: 30px;
    display: flex;
    align-items: center;
    padding-left: 10px;
    padding-right: 10px;
    background-color: var(--primary-color);
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
    color: #FFFFFF;

    @media (width >= 768px) {
        & {
            width: 110px;
            height: 30px;
            vertical-align: top;
            justify-content: center;
          }
    }
  }
  
  .overview-list dd {
    width: 100%;
    border-bottom: 1px solid #ccc;
    padding-bottom: 5px;
    margin-bottom: 15px;
    margin-left: 0;

    @media (width >= 768px) {
        & {
            flex: 0 0 calc(100% - 130px);
            margin-bottom: 0;
        }
    }

    & ul {
        list-style: none;
        padding-left: 0;
      }
}
  
/* 会場・交通案内 */

.venue_list > * + * {
    margin-top: 15px;
}

.venue_list > dl {
    margin-left: 10px;

    & > dt {
        color: var(--secondary-color);

        &:before {
            content: "\f3c5";
            font-family: "Font Awesome 5 Free";
            font-weight: 900;
            font-size: 0.8em;
            padding-right: 5px;
            color: var(--primary-color);
            position: relative;
            bottom: 1px;
        }
    }
}

.venue_map {
    width: 100%;
    padding: 10px;

    @media (width >= 768px) {
        & {
            width: 84%;
            margin-inline: auto;
            padding: 20px;
        }
    }

    & > img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }
}


/* 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;
}
@media (max-width: 768px) {
	.presidentBox img {
		display: block;
		float: none;
		margin: 20px auto;
	}
	.presidentBox .name {
		position: static;
		text-align: center;
	}
}