@charset "utf-8";
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.0/css/all.min.css");
@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 module & style
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/

html {
    scroll-behavior: smooth;
}

:root {
    --color_primary: #003278;
    --color_secondary: #CC3200;
    --color_tertiary: #21887B;
}


/* 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) {
	.sp_on {
        display: none;
    }
}

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

/* ページトップへもどる */
.page_top {
    width: 40px;
    height: 40px;
    right: 10px;
    bottom: 60px;
    position: fixed;
    background-image: linear-gradient(var(--color_tertiary), var(--color_tertiary));
    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;
}
.page_top::before {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    border-top: 1px solid #FFFFFF;
    border-right: 1px solid #FFFFFF;
    transform: rotate(-45deg);
}

.wrapper {
    width: 100%;
    display: grid;
}

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

.header {
    width: 100%;
    height: 100%;
    min-height: 190px;
    position: relative;
}

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

.header::after {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background-image: url(../images/header_small.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: contain;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

@media (width >= 768px) {
    .header {
        min-height: 120px;
    }
    .header::after {
        background-image: url(../images/header_medium.jpg);
    }
}

@media (width >= 820px) {
    .header {
        min-height: 130px;
    }
}

@media (width >= 1024px) {
    .header {
        min-height: 150px;
    }
}

@media (width >= 1200px) {
    .header {
        min-height: 160px;
    }
    .header::after {
        background-image: url(../images/header_large.jpg);
    }
}

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

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

.main::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 7px;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 7px;
    z-index: 3;
}

@media (width >= 1200px) {
    .main::before {
        background-size: 100% 10px;
    }
    .main::after {
        position: absolute;
        content: "";
        width: 100%;
        height: 100%;
        max-height: 2200px;
        background-image: url(../images/main_bg.jpg);
        background-position: center top;
        background-repeat: no-repeat;
        background-size: cover;
        top: 0;
        z-index: 1;
    }
}

@media (width >= 1200px) {
    .main_container {
        display: flex;
        flex-direction: row-reverse;
        width: 1350px;
        margin-left: auto;
        margin-right: auto;
    }

    .contents {
        width: 1100px;
    }
}

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

.society_overview {
    position: relative;
    width: 100%;
    min-height: 560px;
}

.society_overview::before {
    position: absolute;
    content: "";
    width: 100%;
    min-height: 560px;
    background-image: url(../images/overview_small.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: 2;
    top: 0;
}

@media (width >= 768px) {
    .society_overview {
        min-height: 940px;
    }
    .society_overview::before {
        height: 940px;
        background-image: url(../images/overview_large.jpg);
    }
}
@media (width >= 1024px) {
    .society_overview {
        min-height: 1200px;
    }
    .society_overview::before {
        height: 1200px;
    }
}
@media (width >= 1200px) {
    .society_overview {
        min-height: 1195px;
    }
    .society_overview::before {
        height: 1195px;
    }
}

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

.news {
    position: relative;
    width: 100%;
    background-color: #FFFFFF;
    z-index: 2;
}

@media (width >= 1200px) {
    .news {
        position: relative;
        width: 100%;
        background-color: #FFFFFF;
        padding-bottom: 10px;
        z-index: 2;
    }
}

.news h2 {
    width: 100%;
    height: 30px;
    background-color: var(--color_primary);
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
@media (width >= 1200px) {
    .news h2 {
        
    }
}

.news h2 span {
    margin-left: 17px;
    font-size: 15px;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}
@media (width >= 1200px) {
    .news h2 span {
        margin-left: 20px;
    }
}

.news-list {
    height: 140px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 17px;
    padding-right: 17px;
    padding-bottom: 10px;
    overflow-y: auto;
    line-height: 1.4;
}
@media (width >= 1200px) {
    .news-list {
        height: 135px;
        padding-left: 22px;
        padding-right: 22px;
    }
}

.news-list li {
    display: flex;
}

.date {
    width: 90px;
    font-weight: bold;
    font-size: 13px;
    color: var(--color_primary);
}
@media (width >= 1200px) {
    .date {
        width: 100px;
    }
}

.excerpt {
    flex: 1;
    font-size: 12px;
    color: #4D4D4D;
}

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

.nav_wrap {
    position: relative;
    width: 100%;
}
@media (width >= 1200px) {
    .nav_wrap {
        width: 250px;
        min-height: 1100px;
        background-image: linear-gradient(#FFFFFF, #FFFFFF), linear-gradient(to bottom, #FFFFFF, rgba(255, 255, 255, 0));
        background-position: center top, center 945px;
        background-repeat: no-repeat, no-repeat;
        background-size: 100% 945px, 100% 155px;
        z-index: 2;
    }
}

.poster_wrap {
    height: 195px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (width >= 1200px) {
    .poster_wrap {
        height: 120px;
    }
}

.poster_wrap a {
    display: block;
    width: 230px;
    height: 100px;
    margin-left: auto;
    margin-right: auto;
}

.poster_wrap a img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.footer {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--color_primary);
    background-image: linear-gradient(#E5E5E5, #E5E5E5);
    background-position: center bottom;
    background-repeat: no-repeat;
    background-size: 100% 60px;
}

@media (width >= 768px) {
    .footer {
        background-size: 100% 30px;
    }
}

.footer:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 5px;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    z-index: 1;
}

.footer_container {
    width: 100%;
}

@media (width >= 1200px) {
    .footer_container {
        width: 1350px;
        margin-left: auto;
        margin-right: auto;
    }
}

.secretariat {
    margin-bottom: 20px;
}

@media (width >= 768px) {
    .secretariat_wrap {
        display: flex;
        flex-direction: row;
        gap: 77px;
        padding-left: 15px;
    }
}
@media (width >= 1200px) {
    .secretariat_wrap {
        padding-left: 0px;
    }
}

.secretariat h2 {
    width: 250px;
    height: 30px;
    background-color: #E5E5E5;
    clip-path: polygon(0 0, 100% 0, 90% 100%, 0% 100%);
    display: flex;
    align-items: center;
    margin-bottom: 7px;
}

.secretariat h2 span {
    margin-left: 15px;
    font-size: 14px;
    font-weight: bold;;
    color: var(--color_primary);
}

.secretariat dl {
    margin-left: 15px;
    color: #FFFFFF;
    line-height: 1.4;
}

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

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

.secretariat dd .email {
    display: block;
}
@media (width >= 1024px) {
    .secretariat dd .email {
        display: inline;
    }
}

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

.footer-copyright {
    width: 100%;
    height: 100%;
    min-height: 60px;
    display: flex;
    align-items: center;
}
@media (width >= 768px) {
    .footer-copyright {
        min-height: 30px;
    }
}

.footer-copyright p {
    margin-left: 10px;
    margin-right: 10px;
    font-size: 12px;
    line-height: 1.4;
    color: var(--color_primary);
    text-align: center;
}

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

.page-contents {
    position: relative;
    min-height: 80vh;
    background-color: #FFFFFF;
    z-index: 2;
}
@media (width >= 768px) {
    .page-contents {
        min-height: 1100px;
    }
}

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

.page-title {
    position: relative;
    padding: 15px 10px;
    background-color: var(--color_primary);
}
.page-title::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 30px;
    height: 100%;
    background-color: var(--color_secondary);
    clip-path: polygon(0 0, 50% 0, 90% 100%, 0% 100%);
}

@media (width >= 768px) {
    .page-title {
        padding: 20px 15px;
    }
    .page-title::before {
        width: 40px;
        height: 100%;
    }
}

.page-title > span {
    position: relative;
    padding-left: 30px;
	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: #FFFFFF;
}

.page-body {
    padding: 20px 20px 30px 20px;
}
@media (width >= 768px) {
    .page-body {
        padding: 20px 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 * {
    line-height: 1.7;
}

/* 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(--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(--color_secondary);
    position: relative;
    bottom: 1px;
}

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

/* ページ内ナビゲーション */
.page-body-nav {
    list-style: none;
    padding: 1.5rem;
    margin: 0 0 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    border: 2px solid var(--color_primary);
    border-radius: 8px;
    background-color: #f8f9fa;
}

.page-body-nav li {
    margin: 0;
}

.page-body-nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color_primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.page-body-nav a::before {
    content: '';
    width: 16px;
    height: 16px;
    background-color: var(--color_primary);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.page-body-nav a:hover {
    color: var(--color_secondary);
    border-bottom-color: var(--color_secondary);
}

.page-body-nav a:hover::before {
    background-color: var(--color_secondary);
    transform: scale(1.1);
}

@media (width >= 768px) {
    .page-body-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-start;
        align-items: center;
        gap: 1.5rem;
        margin: 0 0 2rem 0;
    }
    
    .page-body-nav a {
        font-size: 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: 1.8em;
}

.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;
}

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

.btn_style01 {
    display: inline-block;
    /*background: linear-gradient(135deg, var(--color_primary), var(--color_secondary));*/
    background: linear-gradient(135deg, #DE9084, #FED667);
    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;
}

.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;
}
.btn_style01.w380 {
	width: 380px;
}

@media (width >= 768px) {
    .btn_wrap {
        flex-direction: row;
        gap: 30px;
        justify-content: center;
    }
    
    .btn_style01 {
        padding: 15px 30px;
        font-size: 1rem;
        width: 320px;
    }
}

/* 開催概要・ご挨拶 */

.overview-list {
	display: flex;
	flex-wrap: wrap;
	row-gap: 10px;
    font-feature-settings: "palt";
    line-height: 1.4;
}
@media (width >= 768px) {
	.overview-list {
		row-gap: 0;
		column-gap: 10px;
		padding-left: 20px;
	}
}

.overview-list dt,
.overview-list dd {
    padding-bottom: 10px;
    padding-top: 10px;
}

.overview-list dt {
	width: 100%;
	font-weight: bold;
	color: var(--color_primary);
}
@media (width >= 768px) {
	.overview-list dt {
		width: 150px;
	}
}

.overview-list dt:before {
	content: "\f14a";
	font-family: "Font Awesome 7 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-left: 2px solid #ccc;
	padding-left: 15px;
}
@media (width >= 768px) {
	.overview-list dd {
		flex: 0 0 calc(100% - 150px - 10px);
        border-left: 1px solid #ccc;
        padding-left: 20px;
	}
}

@media (width <= 767px) {
    .overview-list dd > span,
    .overview-list dd > ul > li > span {
        display: block;
    }
}

.overview-list dd ul {
	list-style: none;
	padding-left: 0;
}
.overview-list dd ul li {
	line-height: 1.3;
}
.overview-list dd ul>*+* {
	margin-top: 10px;
}

.about_the_chairman {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    border-bottom: 1px solid #DDDDDD;
    padding-bottom: 15px;
    text-align: center;
    line-height: 1.4;
}
@media (width >= 768px) {
    .about_the_chairman {
        flex-direction: row-reverse;
        justify-content: flex-start;
        align-items: flex-end;
        text-align: right;
    }
}

.about_the_chairman img {
    width: 150px;
    height: auto;
}

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

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

/* アクセス・宿泊・観光案内 */

.access_map {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
}
.access_map img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border: 1px solid #DDDDDD;
}

@media (width >= 768px) {
    .access_map {
        width: 664px;
        height: 560px;
        margin-left: auto;
        margin-right: auto;
    }
}

.access_map_iframe {
    width: 100%;
    height: 450px;
}

.access_map_iframe iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 1px solid #DDDDDD;
}

@media (width >= 768px) {
    .access_map_iframe {
        width: 664px;
        height: 450px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* PR動画 */
.nav_wrap .movie {
	display: block;
	width: 230px;
	margin: 10px auto 0;
}
@media (width <= 1200px) {
	.nav_wrap .movie {
		width: 100%;
	}
}