/* =========================================================
   project-hgm34.css
   第39回学会用 専用スタイル
========================================================= */
@import url("https://use.fontawesome.com/releases/v6.6.0/css/all.css");
/* =========================================================
   [THEME] variables / shell
========================================================= */
:root {
	/* =========================================================
	* Color
	* 共通テンプレート初期色（グレースケール基調）
	* ======================================================= */
	--site-bg-color: #f3f2ef;
	--header-bg-color: #f7f6f3;
	--main-bg-color: #ffffff;
	--footer-bg-color: rgba(255, 255, 255, 0.75);
	--hero-bg-color: transparent;
	--content-bg-color: #f7f6f3;
	--color-text: #222222;
	--color-bg: #ffffff;
	--color-main: #4a4a4a;
	--color-sub: #7a7a7a;
	--color-border: #d6d2cb;
	--color-muted: #666666;
	/* footer / section colors */
	--footer-promo-bg: #ebe8e2;
	--footer-body-bg: transparent;
	--footer-body-text: #333333;
	--footer-title-color: #2f2f2f;
	--footer-link-color: #dc651c;
	--footer-link-hover-color: #0b308e;
	--footer-arrow-color: #6f675f;
	--footer-copyright-border: #878583;
	--footer-sns-bg: transparent;
	/* =========================================================
	* Utility Color
	* 汎用ユーティリティ用の基準色
	* 案件ごとにここを書き換える
	* ======================================================= */
	--color-red: #d90000;
	--color-blue: #00498a;
	--color-black: #000000;
	--color-white: #ffffff;
	--color-alert: var(--color-red);
	/* link */
	--color-link: #e04612;
	--color-link-hover: #33b1ff;
	/* attention box */
	--box-attention-border: #999999;
	--box-attention-bg: transparent;
	--box-attention-red-border: #e90f23;
	--box-attention-red-bg: #fff6f7;
	--box-attention-green-border: #18b587;
	--box-attention-green-bg: #eefff9;
	--box-attention-blue-border: #2555b4;
	--box-attention-blue-bg: #eef4ff;
	--box-attention-gray-bg: #f4f4f4;
	/* table */
	--table-border-color: #dddddd;
	--table-th-bg: #f4f2eb;
	--table-td-bg: #ffffff;
	--table-text-color: var(--color-text);
	--table-scrollbar-track: #cccccc;
	--table-scrollbar-thumb: #666666;
}
.layout-conference {
	--top-shell-width: 1000px;
	--top-nav-width: 260px;
	--top-main-width: 700px;
	--top-logo-top: 20px;
	--top-logo-space: 140px;
	--top-hero-min-height: 920px;
	--top-hero-stage-height: max(920px, calc(42.5vw));
	--top-mobile-header-height: 60px;
	/* sp layer */
	--top-sp-z-header: 100;
	--top-sp-z-nav: 101;
	--top-sp-z-title: 102;
	--top-sp-z-logo: 103;
	--top-sp-z-toggle: 104;
	background: #0b308e;
	overflow-x: clip;
	background: url("../img/common/bg_base.webp") center top / max(2000px, 100vw) auto no-repeat;
}
.layout-conference:not(.page-home) {
	background: url("../img/common/bg_page.webp") center top / cover no-repeat fixed;
}
/* =========================================================
   [LAYOUT] top shell
========================================================= */
.layout-conference .site-bg {
	width: 100%;
	max-width: var(--top-shell-width);
	margin: 0 auto;
	display: flex;
	flex-wrap: wrap;
	position: relative;
	background: transparent;
}
.layout-conference:not(.page-home) .site-bg {
	background: transparent;
}
.layout-conference:not(.page-home) .site-bg::before {
	content: none;
}
.layout-conference .header,
.layout-conference .site-main {
	position: relative;
	z-index: 1;
}
/* =========================================================
   [HEADER] conference header / logo
========================================================= */
.layout-conference .header {
	width: var(--top-nav-width);
	flex: 0 0 var(--top-nav-width);
	position: relative;
	z-index: 2;
	background: transparent;
}
.layout-conference .header__inner {
	width: 100%;
	min-height: var(--top-logo-space);
	position: relative;
	padding-top: var(--top-logo-space);
	padding-bottom: 2em;
	display: block;
}
.layout-conference .site-title {
	position: absolute;
	top: 0;
	left: calc(500px);
	width: 100vw;
	height: 120px;
	margin: 0;
	line-height: 1;
	pointer-events: none;
	display: block;
	transform: translateX(-50vw);
}
.layout-conference .site-title::after {
	content: "";
	width: 100vw;
	height: 120px;
	background: rgba(255, 255, 255, 0.75);
	position: absolute;
	top: 0;
	left: calc(0px);
	border-bottom: 1px solid #222222;
}
.layout-conference .site-logo {
	position: absolute;
	top: var(--top-logo-top);
	left: 50%;
	width: var(--top-shell-width);
	display: block;
	text-align: center;
	z-index: 3;
	line-height: 0;
	pointer-events: auto;
	transform: translateX(-50%);
}
.layout-conference .site-logo img {
	display: block;
	width: 96%;
	max-width: 880px;
	height: auto;
	margin: 0 auto;
}
/* =========================================================
   [NAV] conference nav
========================================================= */
.site-nav {
	position: relative;
	width: 100%;
	background: #f4f4ed;
	padding: 9px;
	box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.1);
}
.site-nav__list {
	background: #222222;
	display: flex;
	flex-direction: column;
	gap: 0;
	margin: 0;
	padding: 1px;
}
.site-nav__item {
	background: rgba(255, 255, 255, 0.5);
	width: 100%;
	list-style: none;
	overflow: hidden;
	border-top: 1px solid #e3e1dd;
	font-family: var(--font-noto-serif-jp);
}
.site-nav__item:first-child {
	border-top: 0;
	border-radius: 4px 4px 0 0;
}
.site-nav__item:last-child {
	border-radius: 0 0 4px 4px;
}
.site-nav__item a {
	min-height: 50px;
	position: relative;
	display: block;
	padding: 0.9em 1.75em 0.75em 0.85em;
	font-size: 1.5rem;
	font-weight: 500;
	line-height: 1.45;
	color: #fff;
	background: #605f5a;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}
.site-nav__item a::after {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23222222' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
	width: 1.066em;
	height: 1.066em;
	position: absolute;
	top: 50%;
	right: 10px;
	display: block;
	background: #ffffff;
	border-radius: 50%;
	line-height: 0;
	overflow: hidden;
	transform: translateY(-50%);
	transition: opacity 0.2s ease;
}
.site-nav__item a:hover {
	background: #e95726;
	color: #ffffff;
}
.site-nav__item a:hover::after {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23e95726' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
}
/* current */
.layout-conference.page-home .site-nav__item.nav-home > a,
.layout-conference.page-greetings .site-nav__item.nav-greetings > a,
.layout-conference.page-overview .site-nav__item.nav-overview > a,
.layout-conference.page-program .site-nav__item.nav-program > a,
.layout-conference.page-abstracts .site-nav__item.nav-abstracts > a,
.layout-conference.page-public-offering .site-nav__item.nav-public-offering > a,
.layout-conference.page-registration .site-nav__item.nav-registration > a,
.layout-conference.page-participants .site-nav__item.nav-participants > a,
.layout-conference.page-chair-speaker .site-nav__item.nav-chair-speaker > a,
.layout-conference.page-venue .site-nav__item.nav-venue > a,
.layout-conference.page-sponsorship .site-nav__item.nav-sponsorship > a,
.layout-conference.page-poster-flyer .site-nav__item.nav-poster-flyer > a,
.layout-conference.page-links .site-nav__item.nav-links > a {
	background: #e95726;
	color: #ffffff;
}
.layout-conference.page-home .site-nav__item.nav-home > a::after,
.layout-conference.page-greetings .site-nav__item.nav-greetings > a::after,
.layout-conference.page-overview .site-nav__item.nav-overview > a::after,
.layout-conference.page-program .site-nav__item.nav-program > a::after,
.layout-conference.page-registration .site-nav__item.nav-registration > a::after,
.layout-conference.page-guidelines .site-nav__item.nav-guidelines > a::after,
.layout-conference.page-chairs .site-nav__item.nav-chairs > a::after,
.layout-conference.page-abstracts .site-nav__item.nav-abstracts > a::after,
.layout-conference.page-submission .site-nav__item.nav-submission > a::after,
.layout-conference.page-venue .site-nav__item.nav-venue > a::after,
.layout-conference.page-posters .site-nav__item.nav-posters > a::after,
.layout-conference.page-links .site-nav__item.nav-links > a::after {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23e95726' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
	opacity: 1;
	background: #ffffff;
	color: transparent;
}
.layout-conference .site-nav__item.is-disabled > a {
	color: #dddddd;
	background: #888888;
	pointer-events: none;
	cursor: default;
}
.layout-conference .site-nav__item.is-disabled > a::after {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23666666' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
	background: #eeeeee;
}
.layout-conference .site-nav__item.is-hidden {
	display: none;
}
/* =========================================================
   [NAV] conference nav sub
========================================================= */
.site-nav__sub {
	margin-top: 0;
	padding: 10px 0 0;
	border: none;
}
.layout-conference .site-nav__sub a:hover {
	opacity: 0.7;
	transition: 0.3s;
}
.layout-conference .site-nav__cta {
	padding: 0 12px;
	margin-bottom: 16px;
}
.layout-conference .site-nav__banners {
	gap: 0px 10px;
	padding: 0;
}
.layout-conference .site-nav__banner {
	background: #222;
	box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
	padding: 1px;
}
.layout-conference .c-side-banner {
	background-color: #fff;
}
.layout-conference .c-btn--member img {
	display: block;
	width: 100%;
	max-width: 260px;
	height: auto;
	margin: 0 auto;
	vertical-align: middle;
}
/* =========================================================
   [MAIN] conference main / hero
========================================================= */
.layout-conference .site-main {
	flex: 1 1 calc(100% - var(--top-nav-width));
	width: calc(100% - var(--top-nav-width));
	min-width: 0;
	background: transparent;
	overflow: visible;
}
.layout-conference .hero__inner {
	width: 100%;
	padding: 0;
}
.layout-conference .hero__image {
	position: relative;
	min-height: var(--top-hero-min-height);
	display: block;
	overflow: hidden;
}
.layout-conference .hero__image img {
	display: block;
	width: auto;
	height: var(--top-hero-stage-height);
	margin-left: auto;
}
.layout-conference .hero__image picture {
	display: block;
	width: 100%;
	margin-top: auto;
	align-self: flex-end;
}
.layout-conference .hero__meta {
	position: absolute;
	left: 40px;
	right: 40px;
	bottom: 44px;
	max-width: var(--top-main-width);
	margin-left: auto;
	color: #fff;
	text-shadow: 0 2px 6px rgba(0, 0, 0, 0.45);
}
.layout-conference .hero__metaItem {
	position: relative;
	margin: 0;
	padding-left: 28px;
	font-weight: 700;
	line-height: 1.4;
}
.layout-conference .hero__metaItem + .hero__metaItem {
	margin-top: 6px;
}
.layout-conference .hero__metaItem::before {
	content: "◆";
	position: absolute;
	left: 0;
	top: 0.1em;
	font-size: 1.4rem;
	color: #7ba4d6;
	text-shadow: none;
}
.layout-conference .hero__date {
	font-size: 2.7rem;
}
.layout-conference .hero__place {
	font-size: 2rem;
}
.layout-conference .hero__chair {
	font-size: 1.7rem;
}
.layout-conference .hero__chair span {
	display: inline-block;
	margin-left: 10px;
	font-size: 1.2rem;
	font-weight: 500;
}
.layout-conference .content-block__inner {
	width: min(100% - 40px, var(--top-main-width));
	margin: 0 0 0 auto;
	padding-block: 40px 60px;
}
/* =========================================================
   [LOWER] content area / page head
========================================================= */
/* body link */
.layout-conference .page-content__body a {
	color: var(--color-link);
	text-decoration: underline;
	text-underline-offset: 0.12em;
	transition: color 0.2s ease;
}
.layout-conference .page-content__body a:hover,
.layout-conference .page-content__body a:focus,
.layout-conference .page-content__body a:active {
	color: var(--color-link-hover);
}
.layout-conference:not(.page-home) .site-main {
	padding-top: var(--top-logo-space);
}
.layout-conference .content-block {
	position: relative;
	z-index: 0;
}
.layout-conference .content-block::after {
	content: "";
	width: 100vw;
	height: 100%;
	position: absolute;
	z-index: -1;
	top: 0;
	left: calc(50% - 130px);
	background: url("../img/common/bg_page.webp") center center / max(2000px, 100vw) auto no-repeat;
	transform: translateX(-50%);
}
.layout-conference:not(.page-home) .content-block::after {
	content: none;
}
.layout-conference:not(.page-home) .content-block__inner {
	width: min(96%, 840px);
	margin: 0 0 0 auto;
	padding-block: 0 60px;
}
.layout-conference:not(.page-home) .page-content__head {
	margin-bottom: 0;
	padding: 40px 40px 40px;
	background: rgba(0, 0, 0, 0.75);
	background: url("../img/common/bg_content_head.webp") center center / max(740px, 100%) auto no-repeat;
	border-radius: 0 0 0 0;
	overflow: hidden;
	border: 9px solid #f4f4ed;
	border-bottom: none;
}
.layout-conference:not(.page-home) .page-content__body {
	background: rgba(255, 255, 255, 0.85);
	border-radius: 0 0 0 0;
	box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
	min-height: clamp(50vh, 36vh + 200px, 640px);
}
.layout-conference:not(.page-home) .c-heading-page {
	display: inline-block;
	color: #fff;
	font-family: var(--font-noto-serif-jp);
	text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
	border: 0;
	margin: 0;
	padding: 0;
	position: relative;
}
.layout-conference:not(.page-home) .c-heading-section {
	display: block;
	margin-top: 2.2em;
	margin-bottom: 0.9em;
	padding: 0.35em 0.6em 0.4em;
	color: #fff;
	background: linear-gradient(90deg, #e26006 0%, #ec8e38 100%);
	border: 0;
	line-height: 1.35;
}
.layout-conference:not(.page-home) .c-heading-sub {
	color: #e26006;
	border-bottom: 3px solid #e26006;
	padding-bottom: 0.25em;
}
.layout-conference:not(.page-home) .c-heading-section:first-child {
	margin-top: 0;
}

.page-content__body h2:not([class]) {
	background: linear-gradient(90deg, #070604 0%, #684b20 100%);
	color: #fff;
	font-family: var(--font-noto-serif-jp);
	font-size: var(--font-size-22);
	font-weight: 500;
	padding: 0.2em 0.5em 0.25em;
}
.page-content__body h2:not([class]):first-child {
	margin-top: 0;
}
.page-content__body * + h2:not([class]):first-child {
	margin-top: 1.6em;
}
.page-content__body h3:not([class]) {
	color: #d65b09;
	font-family: var(--font-noto-serif-jp);
	font-size: var(--font-size-20);
	border-bottom: 3px solid #df7229;
	padding-bottom: 0.15em;
}
.page-content__body h4:not([class]) {
	background: #f1eee5;
	margin: 1.5em auto 0.5em;
	padding: 0.4em;
	position: relative;
	color: #232323;
	font-size: var(--font-size-18);
	font-weight: 700;
	line-height: 1.3;
}
.page-content__body p:not([class]) {
	margin: 0;
	line-height: 1.8;
}
/* =========================================================
   [COMPONENT] button list override
   案件用ボタンリスト色
========================================================= */
.layout-conference .c-button-list > li > a,
.layout-conference .c-button-list > li > span {
	background-color: #fffaf5;
	color: #222;
	border-color: #e26006;
	border-radius: 0.5em;
	box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
	text-decoration: none;
}
.layout-conference .c-button-list > li > a:hover,
.layout-conference .c-button-list > li > a:focus {
	background-color: #fff;
	color: #e26006;
	border-color: #e26006;
	box-shadow: none;
}
.layout-conference .c-button-list > li.is-disabled > a {
	background-color: #c9c9c9;
	color: #fff;
	border-color: #fff;
	box-shadow: none;
	cursor: default;
	pointer-events: none;
}
/* =========================================================
   [COMPONENT] font size override
   案件用フォント調整
========================================================= */
.layout-conference .u-text-15 {
	font-size: var(--font-size-15);
}
/* =========================================================
   [TOP] banners / news
========================================================= */
.hero + .content-block .content-block__inner {
	padding-top: 30px;
}
/* top banners override */
.layout-conference .top-banners {
	--top-banner-gap: 24px;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--top-banner-gap);
	justify-content: stretch;
	margin: 0 0 24px;
	padding: 0;
	list-style: none;
}
/* home.css の flex / max-width を打ち消す */
.layout-conference .top-banners__item {
	flex: none;
	max-width: none;
	min-width: 0;
	display: block;
	margin: 0;
	padding: 0;
}
.layout-conference .top-banners__item > a {
	display: block;
	width: 100%;
	max-width: none;
	line-height: 0;
	transition: opacity 0.3s ease;
}
.layout-conference .top-banners__item > a:hover,
.layout-conference .top-banners__item > a:focus {
	opacity: 0.75;
}
.layout-conference .top-banners__item img {
	display: block;
	width: 100%;
	max-width: none;
	height: auto;
	margin: 0;
}
/* 1枚だけの通常バナー */
.layout-conference .top-banners--1 {
	grid-template-columns: 1fr;
}
/* 2カラム運用 */
.layout-conference .top-banners--2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}
/* 2つ分の横長バナー */
.layout-conference .top-banners__item--wide {
	grid-column: span 2;
}
.top-news {
	position: relative;
	border: 0;
	z-index: 0;
}
.layout-conference .top-news__title {
	display: inline-flex;
	align-items: end;
	gap: 0px;
	margin: 0 0 0.5em;
	padding: 0 0 0;
	color: #111111;
	font-family: var(--font-noto-serif-jp);
	font-size: clamp(2.4rem, 1.45em + 1vw, 3.2rem);
	font-weight: 500;
	letter-spacing: 0;
	line-height: 1;
	position: relative;
}
.layout-conference .top-news__title span {
	display: flex;
	border: 1px solid #000;
	background: #fff;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 0.1125em 0.15em 0.175em;
}
.top-news__list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-height: 16em;
}
.top-news__item {
	display: grid;
	grid-template-columns: 100px minmax(0, 1fr);
	gap: 20px;
	padding: 15px 16px;
	font-size: 0.9375em;
	align-items: start;
	background: #f4f4ed;
	box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.1);
}
.layout-conference .top-news__date {
	display: block;
	background: #333333;
	color: #f4cca8;
	line-height: 1.5;
	padding: 0.15em 1.25em 0.15em 0.5em;
	clip-path: polygon(0% 0%, calc(100% - 8px) 0%, 100% 50%, calc(100% - 8px) 100%, 0% 100%);
	font-family: var(--font-noto-serif-jp);
	font-weight: 500;
}
.layout-conference .top-news__body {
	min-width: 0;
}
.layout-conference .top-news__text {
	margin: 0;
	line-height: 1.7;
	color: #333;
}
.layout-conference .top-news__inlineLink {
	color: #e04612;
	text-decoration: underline;
	text-underline-offset: 0.12em;
}
.layout-conference .top-news__inlineLink:hover,
.layout-conference .top-news__inlineLink:focus,
.layout-conference .top-news__inlineLink:active {
	color: #33b1ff;
}
.layout-conference .top-news__link {
	display: block;
	font-size: 1.4rem;
	line-height: 1.7;
	color: #ffdb3f;
}
/* news toggle setting */
.top-news__nav {
	display: flex;
	align-items: center;
	gap: 0.25em;
	background: transparent;
	font-family: var(--font-noto-serif-jp);
	font-size: clamp(1.3rem, 1rem + 1vw, 1.6rem);
	position: absolute;
	top: clamp(0.5em, 0.3em + 0.5vw, 0.85em);
	right: 0;
	border: none;
	border-bottom: 1px solid #333;
	cursor: pointer;
	margin: 0 0 0 auto;
	transition: 0.3s;
}
.top-news__nav::before {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23ffffff' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
	width: 1.066em;
	height: 1.066em;
	display: block;
	background: #333;
	border-radius: 50%;
	line-height: 0;
	overflow: hidden;
	transition: 0.3s ease;
}
.top-news__nav:hover {
	color: #e04612;
	border-bottom: 1px solid #e04612;
}
.top-news__nav:hover::before {
	content: url("data:image/svg+xml,%3Csvg id='g' data-name='navi' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon fill='%23ffffff' points='9.84 22 14.5 16 9.84 10 23.84 16 9.84 22'/%3E%3C/svg%3E");
	background: #e04612;
}
/* TOPお知らせ：初期表示は4件まで */
.top-news:not(.is-expanded) .top-news__item:nth-child(n + 5) {
	display: none;
}
/* =========================================================
   [FOOTER] conference footer override
========================================================= */
.footer__body {
	border-top: 1px solid #222222;
	padding-block: 0;
}
.footer__inner {
	width: min(100% - 40px, 1000px);
	padding-block: 60px;
}
.contact-list {
	grid-template-columns: repeat(1, minmax(0, 1fr));
	gap: 4%;
	margin-bottom: 0;
}
.contact-list__item {
	width: 100%;
	justify-content: center;
}
.contact-list__body {
	width: 100%;
	display: inline-flex;
	justify-content: center;
	gap: 20px;
}
.contact-list__title {
	display: flex;
	align-items: center;
	font-family: var(--font-noto-serif-jp);
	font-size: 1.8rem;
	font-weight: 700;
	margin: 0;
	padding: 0.25em 1em 0.25em;
	border: 1px solid #222222;
	white-space: nowrap;
}
.contact-list__item p {
	font-size: 1.3rem;
	letter-spacing: 0;
}
.contact-list__item p strong {
	font-size: 1.4rem;
	font-weight: 500;
}
.footer a {
	color: var(--footer-link-color);
	text-decoration: underline;
	text-underline-offset: 0.12em;
	transition: color 0.2s ease;
}
.footer a:hover,
.footer a:focus,
.footer a:active {
	color: var(--footer-link-hover-color);
}
.copyright {
	background: #222222;
	color: #f4cca8;
	font-family: var(--font-noto-serif-jp);
	border-top: none;
}
/* =========================================================
   [PAGE] greetings
========================================================= */
.page-greetings .greeting-profile {
	display: grid;
	grid-template-columns: minmax(120px, 160px) 1fr;
	gap: 1.5em;
	align-items: end;
	margin-bottom: 2em;
}
.page-greetings .greeting-profile__image img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 0.5em;
}
.page-greetings .greeting-profile__meta {
	font-size: 1em;
	line-height: 1.8;
}
.page-greetings .greeting-profile__meta span {
	display: inline-block;
	font-size: 1.25em;
	font-weight: 700;
}
/* =========================================================
   [PAGE] registration
========================================================= */
/* registration flow */
.page-registration .registration-flow {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0;
	margin: 1.5em 0 0;
	padding: 0;
	list-style: none;
	background: linear-gradient(90deg, #f4a000 0%, #f07f00 50%, #ef3d00 100%);
	overflow: hidden;
}
.page-registration .registration-flow > li {
	position: relative;
	min-height: 64px;
	display: flex;
	align-items: center;
	padding: 0.75em 1.25em 0.75em 2em;
	color: #fff;
	font-size: 1.4rem;
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: 0.02em;
	z-index: 0;
}
.page-registration .registration-flow > li:nth-child(1) {
	background: #f4a000;
}
.page-registration .registration-flow > li:nth-child(2) {
	background: #f07f00;
}
.page-registration .registration-flow > li:nth-child(3) {
	background: #ef3d00;
}
/* 右向きの重なり */
.page-registration .registration-flow > li:not(:last-child)::after {
	content: "";
	position: absolute;
	top: 0;
	right: -28px;
	width: 56px;
	height: 100%;
	background: inherit;
	clip-path: polygon(0 0, 50% 50%, 0 100%, 100% 100%, 100% 0);
	z-index: 2;
}
/* 次項目側に少し濃い影を作る */
.page-registration .registration-flow > li:not(:first-child)::before {
	content: "";
	position: absolute;
	top: 0;
	left: -22px;
	width: 44px;
	height: 100%;
	background: rgba(180, 80, 0, 0.18);
	clip-path: polygon(0% 0%, 50% 0%, 50% 100%, 0% 100%, 50% 50%);
	z-index: 1;
}
.page-registration .registration-flow > li:nth-child(2)::before {
	background: #f07f00;
}
.page-registration .registration-flow > li:nth-child(3)::before {
	background: #ef3d00;
}
.page-registration .registration-flow > li span {
	position: absolute;
	left: 0.15em;
	top: 50%;
	transform: translateY(-50%);
	color: rgba(255, 255, 255, 0.18);
	font-size: 4.8rem;
	font-weight: 700;
	line-height: 1;
	z-index: -1;
}
.page-registration .registration-flow > li:nth-child(2),
.page-registration .registration-flow > li:nth-child(3) {
	padding-left: 2.4em;
}
.page-registration .registration-payment {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: center;
	margin-top: 1em;
}
.page-registration .registration-payment dt {
	width: 100%;
	font-weight: 700;
	color: #00498a;
}
.page-registration .registration-payment dd {
	margin: 0;
}
.page-registration .registration-payment dd img {
	display: block;
	height: 28px;
	width: auto;
}
@media (max-width: 767px) {
	.page-registration .registration-flow {
		grid-template-columns: 1fr;
		background: none;
	}
	.page-registration .registration-flow > li {
		min-height: 58px;
		padding: 0.75em 1em 0.75em 3.2em;
		font-size: 1.4rem;
	}
	.page-registration .registration-flow > li:not(:last-child)::after,
	.page-registration .registration-flow > li:not(:first-child)::before {
		content: none;
	}
	.page-registration .registration-flow > li + li {
		margin-top: 4px;
	}
	.page-registration .registration-flow > li span {
		left: 0.25em;
		font-size: 4rem;
		z-index: 0;
	}
	.page-registration .registration-flow > li {
		z-index: 0;
	}
	.page-registration .registration-flow > li strong br {
		display: none;
	}
}
/* =========================================================
   [PAGE] abstracts
========================================================= */
.page-abstracts .abstract-type-list {
	margin: 1em 0 0;
	padding: 0;
	list-style: none;
}
.page-abstracts .abstract-type-list > li {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.25em;
	align-items: start;
}
.page-abstracts .abstract-type-list__num {
	font-weight: 700;
	color: #dd6d22;
}
.page-abstracts .abstract-type-list__body {
	line-height: 1.9;
}
/* =========================================================
   [PAGE] abstracts - category list
========================================================= */
.category_list {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	margin: 1em 0 0;
	border-left: 1px solid #cfcfcf;
}
.category_list_col {
	list-style: none;
	margin: 0;
	padding: 0;
}
.category_list_col + .category_list_col {
	margin-left: -1px;
}
.category_list_col li {
	display: grid;
	grid-template-columns: 3em 1fr;
	min-height: 3.5em;
	border-top: 1px solid #cfcfcf;
	border-right: 1px solid #cfcfcf;
	background: #fff;
}
.category_list_col li:last-child {
	border-bottom: 1px solid #cfcfcf;
}
.category_list_col .num {
	background: #bf6673;
	color: #fff;
	font-weight: 700;
	line-height: 1.2;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0.5em 0.25em;
	text-align: center;
}
.category_list_col .txt {
	display: flex;
	align-items: center;
	padding: 0.65em 1em;
	line-height: 1.45;
	word-break: break-word;
	overflow-wrap: anywhere;
}
/* =========================================================
   [PAGE] event
========================================================= */
.page-event .c-note-box {
	border: 4px solid #e7781f;
}
.page-event .c-note-box--event {
	display: grid;
	grid-template-columns: 34% 1fr;
	gap: 1.25em;
	padding: 0.75em;
	background: #ffffff;
	border-color: #66b4e8;
	border-radius: 10px;
	font-weight: 700;
	line-height: 1.45;
}
/* 左側画像 */
.page-event .c-note-box--event__image {
	position: relative;
	overflow: hidden;
	border-radius: 6px;
	align-self: start;
}
.page-event .c-note-box--event__image img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 1 / 1;
	object-fit: cover;
}
.page-event .c-note-box--event__imageText {
	position: absolute;
	left: 50%;
	top: 50%;
	margin: 0;
	color: #ffffff;
	font-size: clamp(1.6rem, 6vw, 2.4rem);
	font-weight: 700;
	line-height: 1.2;
	text-align: center;
	text-shadow:
		0 2px 4px rgba(0, 0, 0, 0.45),
		0 0 8px rgba(0, 0, 0, 0.35);
	transform: translate(-50%, -50%);
	white-space: nowrap;
}
/* 右側本文 */
.page-event .c-note-box--event__content dl {
	display: grid;
	grid-template-columns: 5.8em 1fr;
	gap: 0.65em 0.9em;
	margin: 0;
}
.page-event .c-note-box--event__content dt,
.page-event .c-note-box--event__content dd {
	margin: 0;
}
.page-event .c-note-box--event__content dt {
	display: flex;
	align-items: center;
	justify-content: center;
	align-self: start;
	min-height: auto;
	width: 5.8em;
	padding: 0.25em 0.5em 0.5em;
	color: #ffffff;
	background: #2f94d1;
	border-radius: 4px;
	font-size: 0.95em;
	line-height: 1.2;
	text-align: center;
	white-space: nowrap;
}
.page-event .c-note-box--event__content dd {
	min-width: 0;
	padding-top: 0.1em;
	font-size: 0.95em;
	line-height: 1.6;
	word-break: break-word;
	overflow-wrap: anywhere;
}
.page-event .c-note-box--event__content a {
	color: #0070c9;
	text-decoration: underline;
	text-underline-offset: 0.15em;
}
.page-event .c-note-box--event__note {
	display: inline-block;
}
.page-event .c-note-box--event__content .c-list-disc {
	margin: 0.35em 0 0;
	padding-left: 1.2em;
}
.page-event .c-note-box--event__content .c-list-disc li {
	margin: 0;
}
.page-event .c-note-box--event__content p {
	margin: 0;
}
.page-event .c-note-box--event__content .u-mt-10 {
	margin-top: 0.65em;
}
/* =========================================================
   [PAGE] venue
========================================================= */
.p-map {
	width: 100%;
	position: relative;
	padding-bottom: 75%;
}
.p-map > iframe {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
}
.p-venue-image {
	width: 100%;
}
.p-venue-image img {
	width: 100%;
	height: auto;
	vertical-align: middle;
}
/* =========================================================
   [RESPONSIVE] conference
========================================================= */
.layout-conference .nav-toggle {
	display: none;
}
@media (min-width: 1000px) {
	.layout-conference .hero__image::after {
		content: none;
	}
}
@media (max-width: 999px) {
	.layout-conference .site-bg {
		max-width: none;
		display: block;
	}
	/* -----------------------------------------
	   SP header / logo / nav
	----------------------------------------- */
	.layout-conference .header {
		width: 100%;
		position: absolute;
		top: 0;
		left: 0;
		z-index: var(--top-sp-z-header);
		background: transparent;
		pointer-events: none;
	}
	.layout-conference .header__inner {
		width: 100%;
		min-height: var(--top-mobile-header-height);
		position: relative;
		padding-top: 0;
		padding-bottom: 0;
	}
	/* 通常時：ロゴはスクロール追従しない */
	.layout-conference .site-title {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: var(--top-mobile-header-height);
		margin: 0;
		line-height: 1;
		z-index: var(--top-sp-z-title);
		pointer-events: none;
		display: block;
	}
	/* ロゴリンクのクリック範囲を画像幅に限定 */
	.layout-conference .site-logo {
		position: absolute;
		top: 10px;
		left: 50%;
		width: min(calc(100vw - 84px), 380px);
		height: auto;
		padding: 0;
		background: transparent;
		display: block;
		line-height: 0;
		text-align: center;
		transform: translateX(-50%);
		pointer-events: auto;
		z-index: var(--top-sp-z-logo);
	}
	.layout-conference .site-logo picture,
	.layout-conference .site-logo img {
		display: block;
		width: 100%;
		height: auto;
	}
	.layout-conference .site-logo img {
		max-width: 100%;
		max-height: 44px;
		margin: 0 auto;
		object-fit: contain;
	}
	/* メニュー展開時：ロゴだけ一時的にfixed */
	.layout-conference.is-nav-open .site-title {
		position: fixed;
		top: 0;
		left: 0;
		z-index: var(--top-sp-z-title);
		background: rgba(255, 255, 255, 0.98);
		pointer-events: none;
		display: block;
	}
	.layout-conference.is-nav-open .site-logo {
		position: fixed;
		top: 10px;
		left: 50%;
		transform: translateX(-50%);
		z-index: var(--top-sp-z-logo);
		pointer-events: auto;
	}
	/* TOPは通常時のみロゴ非表示。メニュー展開時は表示 */
	.layout-conference .site-title {
		transform: translateX(0);
	}
	.layout-conference.page-home .site-title {
		display: none;
	}
	.layout-conference.is-nav-open .site-title {
		display: block;
	}
	.layout-conference .site-title::after {
		display: none;
	}
	/* hamburger */
	.layout-conference .nav-toggle {
		position: fixed;
		top: 0;
		right: 0;
		display: flex;
		justify-content: center;
		width: 60px;
		height: 60px;
		background: #222222;
		border: 0;
		cursor: pointer;
		z-index: var(--top-sp-z-toggle);
		padding: 0;
		pointer-events: auto;
	}
	.layout-conference .nav-toggle span {
		display: block;
		position: absolute;
		width: 30px;
		height: 2px;
		left: 15px;
		background: #ffffff;
		color: #ffffff;
		transition: 0.3s ease-in-out;
	}
	.layout-conference .nav-toggle span:nth-child(1) {
		top: 12px;
	}
	.layout-conference .nav-toggle span:nth-child(2) {
		top: 21px;
	}
	.layout-conference .nav-toggle span:nth-child(3) {
		top: 30px;
	}
	.layout-conference .nav-toggle.is-active span:nth-child(1) {
		top: 21px;
		transform: rotate(45deg);
	}
	.layout-conference .nav-toggle.is-active span:nth-child(2) {
		opacity: 0;
	}
	.layout-conference .nav-toggle.is-active span:nth-child(3) {
		top: 21px;
		transform: rotate(-45deg);
	}
	.layout-conference .nav-toggle__label {
		top: auto !important;
		bottom: 8px;
		left: 0 !important;
		width: 100% !important;
		height: auto !important;
		background: none !important;
		font-size: 1rem;
		font-weight: 700;
		text-align: center;
	}
	/* SP menu */
	.layout-conference .site-nav {
		display: none;
		position: fixed;
		top: var(--top-mobile-header-height);
		left: 0;
		width: 100%;
		height: calc(100vh - var(--top-mobile-header-height));
		border: 0;
		border-radius: 0;
		background: #222222;
		padding: 0;
		box-shadow: none;
		overflow-y: auto;
		z-index: var(--top-sp-z-nav);
		pointer-events: auto;
	}
	.layout-conference .site-nav.is-open {
		display: block;
	}
	.layout-conference.is-nav-open {
		overflow: hidden;
	}
	.site-nav__list {
		display: flex;
		flex-direction: column;
		gap: 0;
		margin: 0;
		padding: 6px;
		border-radius: 0;
		box-shadow: none;
	}
	.site-nav__list a {
		min-height: 44px;
		padding: 0.65em 2em 0.65em 1em;
	}
	.site-nav__sub {
		padding: 6px 6px;
	}
	/* -----------------------------------------
	   SP layout
	----------------------------------------- */
	.layout-conference .site-main {
		width: 100%;
		padding-top: 0;
	}
	.layout-conference .hero__image {
		min-height: 520px;
	}
	.layout-conference .hero__meta {
		left: 24px;
		right: 24px;
		bottom: 24px;
		max-width: none;
		margin-left: 0;
	}
	.layout-conference .content-block__inner {
		width: min(100% - 24px, 720px);
		margin: 0 auto;
	}
	.layout-conference:not(.page-home) .site-main {
		padding-top: 80px;
	}
	.layout-conference.page-home .content-block {
		background: #dbdacf;
	}
	.layout-conference.page-home .content-block::after {
		left: 50%;
	}
	.layout-conference:not(.page-home) .content-block__inner {
		width: min(96%, 840px);
		padding-block: 0 32px;
		margin: 0 auto;
	}
	.layout-conference:not(.page-home) .page-content__head {
		padding: 28px 24px 28px;
	}
	.layout-conference:not(.page-home) .c-heading-page::after {
		top: -28px;
	}
	.layout-conference:not(.page-home) .page-content__body {
		border-radius: 0 0 1em 1em;
	}
	.layout-conference .footer__inner {
		width: min(100% - 8%, 1000px);
	}
	.contact-list__title {
		font-size: 1.6rem;
	}
	.layout-conference .site-nav__banners {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		gap: 10px;
	}
	.layout-conference .site-nav__banner {
		width: calc((100% - 10px) / 2);
		min-width: 140px;
		max-width: 242px;
	}
	.layout-conference .c-side-banner {
		width: 100%;
	}
	.layout-conference .hero__image img {
		width: 100%;
		height: auto;
		margin-left: 0;
	}
	.page-event .c-note-box--event {
		grid-template-columns: 30% 1fr;
		gap: 1em;
		padding: 0.7em;
	}
	.page-event .c-note-box--event__content dl {
		grid-template-columns: 5.2em 1fr;
		gap: 0.6em 0.75em;
	}
	.page-event .c-note-box--event__content dt {
		font-size: 0.9em;
	}
	.page-event .c-note-box--event__content dd {
		font-size: 0.92em;
	}
}
@media (max-width: 767px) {
	/* ロゴリンクのクリック範囲を画像幅に限定 */
	.layout-conference .site-logo {
		width: min(calc(100vw - 84px), 380px);
	}
}
@media (min-width: 2000px) {
	.layout-conference .hero__image {
		min-height: var(--top-hero-stage-height);
		display: flex;
		align-items: flex-end;
	}
	.layout-conference .hero__image picture {
		display: block;
		width: 100%;
		margin-top: auto;
	}
	.layout-conference .hero__image img {
		display: block;
		width: 100%;
		height: auto;
		margin-left: 0;
	}
}

@media (max-width: 999px) {
	.top-news::before {
		display: none;
	}
}
@media (max-width: 767px) {
	.layout-conference .hero__image {
		min-height: 420px;
		background-position: center center;
	}
	.layout-conference .hero__meta {
		left: 20px;
		right: 20px;
		bottom: 20px;
	}
	.layout-conference .hero__date {
		font-size: 2.1rem;
	}
	.layout-conference .hero__place {
		font-size: 1.7rem;
	}
	.layout-conference .hero__chair {
		font-size: 1.4rem;
	}
	.layout-conference .hero__chair span {
		display: block;
		margin-top: 4px;
		margin-left: 0;
	}
	.layout-conference .content-block__inner {
		width: min(100% - 8%, 100%);
	}
	.layout-conference:not(.page-home) .page-content__head {
		padding: 22px 20px 18px;
	}
	.layout-conference:not(.page-home) .c-heading-section {
		padding-inline: 0.5em;
	}
	.layout-conference .top-news__item {
		grid-template-columns: 1fr;
		gap: 0;
		padding: 14px 14px;
	}
	.layout-conference .top-news__date {
		width: 7em;
		font-size: 1.3rem;
	}
	.layout-conference .top-news__text {
		margin: 0;
		font-size: 1.4rem;
		line-height: 1.7;
	}
	.layout-conference .top-news__inlineLink {
		text-decoration: underline;
		text-underline-offset: 0.12em;
	}
	.layout-conference .top-news__inlineLink:hover {
		color: #dd6d22;
	}
	.category_list {
		grid-template-columns: 1fr;
	}
	.category_list_col + .category_list_col {
		margin-left: 0;
		margin-top: -1px;
	}
	.category_list_col li {
		height: auto;
		min-height: 3.5em;
	}
	.page-event .c-note-box--event {
		grid-template-columns: 1fr;
		gap: 1em;
		padding: 0.75em;
	}
	.page-event .c-note-box--event__image {
		max-width: 480px;
		margin: 0 auto;
	}
	.page-event .c-note-box--event__image img {
		aspect-ratio: 8 / 5;
	}
	.page-event .c-note-box--event__content dl {
		grid-template-columns: 5.5em 1fr;
	}
}
@media (max-width: 480px) {
	.layout-conference .site-logo {
		width: min(calc(100vw - 84px), 240px);
		top: 8px;
		left: 4%;
		transform: translateX(0);
	}
	.layout-conference.is-nav-open .site-logo {
		width: min(calc(100vw - 84px), 340px);
		top: 50%;
		left: 4%;
		transform: translate(0, -50%);
	}
	.layout-conference .site-logo img {
		margin: 0 auto 0 0;
	}
	.layout-conference .site-nav__banners {
		gap: 8px;
	}
	.layout-conference .site-nav__banner {
		width: calc((100% - 8px) / 2);
		min-width: 0;
	}
	.layout-conference .contact-list__body {
		display: flex;
		flex-direction: column;
		gap: 12px;
	}
	.page-greetings .greeting-profile {
		grid-template-columns: 1fr;
		gap: 16px;
		justify-content: center;
		text-align: center;
	}
	.page-greetings .greeting-profile__image {
		max-width: 160px;
		margin: 0 auto;
	}
	.page-event .c-note-box--event {
		border-width: 3px;
		border-radius: 8px;
		padding: 0.65em;
	}
	.page-event .c-note-box--event__content dl {
		display: block;
	}
	.page-event .c-note-box--event__content dt {
		width: 100%;
		min-height: auto;
		margin-top: 1em;
		margin-bottom: 0.35em;
		padding: 0em 0.5em 0.35em 0;
		color: #2f94d1;
		background-color: transparent;
		border-bottom: 2px solid #2f94d1;
		border-radius: 0;
		justify-content: flex-start;
	}
	.page-event .c-note-box--event__content dt:first-child {
		margin-top: 0;
	}
	.page-event .c-note-box--event__content dd {
		font-size: 0.92em;
		line-height: 1.65;
	}
	.page-event .c-note-box--event__content .c-list-disc {
		padding-left: 1.15em;
	}
}