/* =========================================================
   project-39jsar.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
========================================================= */
.layout-conference-top {
	--top-shell-width: 1000px;
	--top-nav-width: 260px;
	--top-main-width: 680px;
	--top-logo-top: 32px;
	--top-logo-space: 177px;
	--top-hero-min-height: 850px;
	--top-hero-stage-height: max(850px, calc(42.5vw));
	--top-mobile-header-height: 60px;
	/* link */
	--color-link: #3c6595;
	--color-link-hover: #f77a27;
	/* 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;
	/* footer */
	--footer-promo-bg: #f2f0ec;
	--footer-body-bg: #171731;
	--footer-body-text: #ffffff;
	--footer-title-color: #ffffff;
	--footer-link-color: #ffffff;
	--footer-link-hover-color: #ff8a3c;
	--footer-arrow-color: #f0b36b;
	--footer-copyright-border: rgba(255, 255, 255, 0.45);
	--footer-sns-bg: rgba(255, 255, 255, 0.08);
	background: #fdf4ed;
	overflow-x: clip;
}
.layout-conference-top:not(.page-home) {
	background: url("../img/page/home/bg_home.webp") center top / cover no-repeat fixed;
}
/* =========================================================
   [LAYOUT] top shell
========================================================= */
.layout-conference-top .site-bg {
	width: 100%;
	max-width: var(--top-shell-width);
	margin: 0 auto;
	display: flex;
	flex-wrap: wrap;
	position: relative;
	background: #fdf4ed;
}
.layout-conference-top:not(.page-home) .site-bg {
	background: transparent;
}
.layout-conference-top:not(.page-home) .site-bg::before {
	content: none;
}
.layout-conference-top .header,
.layout-conference-top .site-main {
	position: relative;
	z-index: 1;
}
@media (min-width: 1000px) {
	.layout-conference-top .site-bg::before {
		content: "";
		position: absolute;
		top: 0;
		left: 50%;
		width: 100vw;
		height: calc(var(--top-hero-stage-height) + 10px);
		transform: translateX(-50%);
		background:
			linear-gradient(90deg, #e26006 0%, #ec8e38 100%) left bottom / 100% 10px no-repeat,
			url("../img/page/home/bg_home.webp") center top / max(2000px, 100vw) auto no-repeat;
		pointer-events: none;
		z-index: 0;
	}
}
@media (max-width: 999px) {
	.layout-conference-top .site-bg::before {
		content: none;
	}
}
/* =========================================================
   [HEADER] conference header / logo
========================================================= */
.layout-conference-top .header {
	width: var(--top-nav-width);
	flex: 0 0 var(--top-nav-width);
	position: relative;
	z-index: 2;
	background: transparent;
}
.layout-conference-top .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-top .site-title {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	margin: 0;
	line-height: 1;
	pointer-events: none;
}
.layout-conference-top .site-logo {
	position: absolute;
	top: var(--top-logo-top);
	left: 0;
	width: var(--top-shell-width);
	display: block;
	text-align: center;
	z-index: 3;
	line-height: 0;
	pointer-events: auto;
}
.layout-conference-top .site-logo img {
	display: block;
	width: 96%;
	max-width: 930px;
	height: auto;
	margin: 0 auto;
}
/* =========================================================
   [NAV] conference nav
========================================================= */
.layout-conference-top .site-nav {
	position: relative;
	width: 100%;
	border: 3px solid rgba(60, 101, 149, 0.9);
	border-radius: 1.6rem;
	background: rgba(255, 255, 255, 0.92);
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
	overflow: hidden;
}
.layout-conference-top .site-nav__list {
	display: block;
	margin: 0;
	padding: 0;
}
.layout-conference-top .site-nav__item {
	list-style: none;
	border-top: 1px solid #bac7de;
}
.layout-conference-top .site-nav__item:first-child {
	border-top: 0;
}
.layout-conference-top .site-nav__item a {
	min-height: 50px;
	position: relative;
	display: block;
	padding: 0.75em 2em 0.75em 1em;
	font-size: 1.6rem;
	font-weight: 500;
	line-height: 1.45;
	color: #222;
	background: transparent;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}
.layout-conference-top .site-nav__item a::after {
	content: "";
	width: 1em;
	height: 1em;
	position: absolute;
	top: 50%;
	right: 12px;
	transform: translateY(-50%);
	background: no-repeat center / contain url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%235373ac' d='m7.56 11.54c-.28.28-.72.28-.99 0s-.28-.72 0-.99l2.55-2.55-2.55-2.55c-.28-.28-.28-.72 0-.99s.72-.28.99 0l3.05 3.04c.28.28.28.72 0 .99l-3.05 3.05Z'/></svg>");
	border: 1px solid #5373ac;
	border-radius: 50%;
	display: block;
}
.layout-conference-top .site-nav__item a:hover {
	color: #dd6d22;
}
.layout-conference-top .site-nav__item a:hover::after {
	background: no-repeat center / contain url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%23dd6d22' d='m7.56 11.54c-.28.28-.72.28-.99 0s-.28-.72 0-.99l2.55-2.55-2.55-2.55c-.28-.28-.28-.72 0-.99s.72-.28.99 0l3.05 3.04c.28.28.28.72 0 .99l-3.05 3.05Z'/></svg>");
	border-color: #dd6d22;
}
/* current */
.layout-conference-top.page-home .site-nav__item.nav-home > a,
.layout-conference-top.page-greetings .site-nav__item.nav-greetings > a,
.layout-conference-top.page-overview .site-nav__item.nav-overview > a,
.layout-conference-top.page-program .site-nav__item.nav-program > a,
.layout-conference-top.page-registration .site-nav__item.nav-registration > a,
.layout-conference-top.page-guidelines .site-nav__item.nav-guidelines > a,
.layout-conference-top.page-chairs .site-nav__item.nav-chairs > a,
.layout-conference-top.page-abstracts .site-nav__item.nav-abstracts > a,
.layout-conference-top.page-submission .site-nav__item.nav-submission > a,
.layout-conference-top.page-venue .site-nav__item.nav-venue > a,
.layout-conference-top.page-posters .site-nav__item.nav-posters > a,
.layout-conference-top.page-links .site-nav__item.nav-links > a {
	color: #dd6d22;
	font-weight: 700;
}
.layout-conference-top.page-home .site-nav__item.nav-home > a::after,
.layout-conference-top.page-greetings .site-nav__item.nav-greetings > a::after,
.layout-conference-top.page-overview .site-nav__item.nav-overview > a::after,
.layout-conference-top.page-program .site-nav__item.nav-program > a::after,
.layout-conference-top.page-registration .site-nav__item.nav-registration > a::after,
.layout-conference-top.page-guidelines .site-nav__item.nav-guidelines > a::after,
.layout-conference-top.page-chairs .site-nav__item.nav-chairs > a::after,
.layout-conference-top.page-abstracts .site-nav__item.nav-abstracts > a::after,
.layout-conference-top.page-submission .site-nav__item.nav-submission > a::after,
.layout-conference-top.page-venue .site-nav__item.nav-venue > a::after,
.layout-conference-top.page-posters .site-nav__item.nav-posters > a::after,
.layout-conference-top.page-links .site-nav__item.nav-links > a::after {
	background: no-repeat center / contain url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%23dd6d22' d='m7.56 11.54c-.28.28-.72.28-.99 0s-.28-.72 0-.99l2.55-2.55-2.55-2.55c-.28-.28-.28-.72 0-.99s.72-.28.99 0l3.05 3.04c.28.28.28.72 0 .99l-3.05 3.05Z'/></svg>");
	border-color: #dd6d22;
}
.layout-conference-top .site-nav__item.is-disabled > a {
	color: #999;
	background: #f6f6f6;
	pointer-events: none;
	cursor: default;
}
.layout-conference-top .site-nav__item.is-disabled > a::after {
	background: no-repeat center / contain url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%23bbbbbb' d='m7.56 11.54c-.28.28-.72.28-.99 0s-.28-.72 0-.99l2.55-2.55-2.55-2.55c-.28-.28-.28-.72 0-.99s.72-.28.99 0l3.05 3.04c.28.28.28.72 0 .99l-3.05 3.05Z'/></svg>");
	border-color: #bbb;
}
.layout-conference-top .site-nav__item.is-hidden {
	display: none;
}
/* =========================================================
   [NAV] conference nav sub
========================================================= */
.layout-conference-top .site-nav__sub {
	margin-top: 0;
	padding: 16px 0;
	border-top: 1px solid #cfcac4;
}
.layout-conference-top .site-nav__sub a:hover {
	opacity: 0.7;
	transition: 0.3s;
}
.layout-conference-top .site-nav__cta {
	padding: 0 12px;
	margin-bottom: 16px;
}
.layout-conference-top .site-nav__banners {
	gap: 10px;
	padding: 0 14px;
}
.layout-conference-top .c-btn--member {
	display: block;
	width: 100%;
	height: 60px;
	background: #e8781f;
	border-radius: 30px;
	line-height: 0;
	overflow: hidden;
	box-shadow: none;
	text-align: center;
}
.layout-conference-top .c-btn--member img {
	display: block;
	width: 100%;
	max-width: 230px;
	height: auto;
	margin: 0 auto;
	vertical-align: middle;
}
.layout-conference-top .c-side-banner {
	border-radius: 4px;
}
/* =========================================================
   [MAIN] conference main / hero
========================================================= */
.layout-conference-top .site-main {
	flex: 1 1 calc(100% - var(--top-nav-width));
	width: calc(100% - var(--top-nav-width));
	min-width: 0;
	background: transparent;
}
.layout-conference-top .hero__inner {
	width: 100%;
	padding: 0;
}
.layout-conference-top .hero__image {
	position: relative;
	min-height: var(--top-hero-min-height);
	display: block;
	overflow: hidden;
}
.layout-conference-top .hero__image img {
	display: block;
	width: auto;
	height: var(--top-hero-stage-height);
	margin-left: auto;
}
.layout-conference-top .hero__image::after {
	content: "";
	position: absolute;
	left: 50%;
	bottom: 0;
	width: 100vw;
	height: 10px;
	transform: translateX(-50%);
	background: linear-gradient(90deg, #e26006 0%, #ec8e38 100%);
	pointer-events: none;
	z-index: 2;
}
.layout-conference-top .hero__image picture {
	display: block;
	width: 100%;
	margin-top: auto;
	align-self: flex-end;
}
.layout-conference-top .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-top .hero__metaItem {
	position: relative;
	margin: 0;
	padding-left: 28px;
	font-weight: 700;
	line-height: 1.4;
}
.layout-conference-top .hero__metaItem + .hero__metaItem {
	margin-top: 6px;
}
.layout-conference-top .hero__metaItem::before {
	content: "◆";
	position: absolute;
	left: 0;
	top: 0.1em;
	font-size: 1.4rem;
	color: #7ba4d6;
	text-shadow: none;
}
.layout-conference-top .hero__date {
	font-size: 2.7rem;
}
.layout-conference-top .hero__place {
	font-size: 2rem;
}
.layout-conference-top .hero__chair {
	font-size: 1.7rem;
}
.layout-conference-top .hero__chair span {
	display: inline-block;
	margin-left: 10px;
	font-size: 1.2rem;
	font-weight: 500;
}
.layout-conference-top .content-block__inner {
	width: min(100% - 40px, var(--top-main-width));
	margin: 0 auto;
	padding-block: 30px 60px;
}
/* =========================================================
   [LOWER] content area / page head
========================================================= */

/* body link */
.layout-conference-top .page-content__body a {
	color: var(--color-link);
	text-decoration: underline;
	text-underline-offset: 0.12em;
	transition: color 0.2s ease;
}

.layout-conference-top .page-content__body a:hover,
.layout-conference-top .page-content__body a:focus,
.layout-conference-top .page-content__body a:active {
	color: var(--color-link-hover);
}
.layout-conference-top:not(.page-home) .site-main {
	padding-top: var(--top-logo-space);
}
.layout-conference-top:not(.page-home) .content-block__inner {
	width: min(96%, 840px);
	margin: 0 auto;
	padding-block: 0 60px;
}
.layout-conference-top:not(.page-home) .page-content__head {
	margin-bottom: 0;
	padding: 44px 40px 36px;
	background:
		url("../img/common/bg_page_head.webp") center center / cover no-repeat,
		#4d6fa8;
	border-radius: 1.6rem 1.6rem 0 0;
	overflow: hidden;
}
.layout-conference-top:not(.page-home) .page-content__body {
	border-radius: 0 0 1.6rem 1.6rem;
	box-shadow: none;
}
.layout-conference-top:not(.page-home) .c-heading-page {
	color: #fff;
	text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
	border: 0;
	padding: 0;
}
.layout-conference-top: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-top:not(.page-home) .c-heading-sub {
	color: #e26006;
	border-bottom: 3px solid #e26006;
	padding-bottom: 0.25em;
}
.layout-conference-top:not(.page-home) h4 {
	background: #f1eee5;
	margin: 1.5em auto 0.5em;
	padding: 0.4em;
	position: relative;
	color: #232323;
	font-size: 1.2em;
	font-weight: 700;
	line-height: 1.3;
}
.layout-conference-top:not(.page-home) .c-heading-section:first-child {
	margin-top: 0;
}
/* =========================================================
   [COMPONENT] button list override
   案件用ボタンリスト色
========================================================= */
.layout-conference-top .c-button-list > li > a,
.layout-conference-top .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-top .c-button-list > li > a:hover,
.layout-conference-top .c-button-list > li > a:focus {
	background-color: #fff;
	color: #e26006;
	border-color: #e26006;
	box-shadow: none;
}
.layout-conference-top .c-button-list > li.is-disabled > a {
	background-color: #c9c9c9;
	color: #fff;
	border-color: #fff;
	box-shadow: none;
	cursor: default;
	pointer-events: none;
}
/* =========================================================
   [TOP] banners / news
========================================================= */
/* top banners override */
.layout-conference-top .top-banners {
	--top-banner-gap: 16px;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--top-banner-gap);
	justify-content: stretch;
	margin: 0 0 16px;
	padding: 0;
	list-style: none;
}
/* home.css の flex / max-width を打ち消す */
.layout-conference-top .top-banners__item {
	flex: none;
	max-width: none;
	min-width: 0;
	display: block;
	margin: 0;
	padding: 0;
}
.layout-conference-top .top-banners__item > a {
	display: block;
	width: 100%;
	max-width: none;
	line-height: 0;
	transition: opacity 0.3s ease;
}
.layout-conference-top .top-banners__item > a:hover,
.layout-conference-top .top-banners__item > a:focus {
	opacity: 0.75;
}
.layout-conference-top .top-banners__item img {
	display: block;
	width: 100%;
	max-width: none;
	height: auto;
	margin: 0;
	border-radius: 4px;
}
/* 1枚だけの通常バナー */
.layout-conference-top .top-banners--1 {
	grid-template-columns: 1fr;
}
/* 2カラム運用 */
.layout-conference-top .top-banners--2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}
/* 2つ分の横長バナー */
.layout-conference-top .top-banners__item--wide {
	grid-column: span 2;
}
.layout-conference-top .top-banners__item--wide:nth-of-type(3) {
	margin: 0 2.5em;
}
.layout-conference-top .top-news {
	position: relative;
	overflow: hidden;
	border: 0;
	border-radius: 14px;
	background: #fff;
}
.layout-conference-top .top-news::before {
	content: "";
	position: absolute;
	inset: 0;
	padding: 2px;
	border-radius: 14px;
	background: linear-gradient(90deg, #e26006 0%, #ec8e38 100%);
	-webkit-mask:
		linear-gradient(#fff 0 0) content-box,
		linear-gradient(#fff 0 0);
	-webkit-mask-composite: xor;
	mask:
		linear-gradient(#fff 0 0) content-box,
		linear-gradient(#fff 0 0);
	mask-composite: exclude;
	pointer-events: none;
}
.layout-conference-top .top-news__title {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	margin: 0;
	padding: 0;
	background: linear-gradient(90deg, #e26006 0%, #ec8e38 100%);
	color: #fff;
	text-align: center;
}
.layout-conference-top .top-news__title img {
	width: 100%;
	max-width: 400px;
	filter: drop-shadow(2px 2px 3px rgba(0, 0, 0, 0.3));
}
.layout-conference-top .top-news__list {
	height: 330px;
	margin: 0;
	padding: 8px 24px 14px;
	list-style: none;
	overflow-y: auto;
}
.layout-conference-top .top-news__item {
	display: grid;
	grid-template-columns: 92px minmax(0, 1fr);
	gap: 40px;
	padding: 15px 0;
	border-top: 1px solid #ddd7cf;
}
.layout-conference-top .top-news__item:first-child {
	border-top: 0;
}
.layout-conference-top .top-news__date {
	display: block;
	color: #e8781f;
	font-size: 1.6rem;
	font-weight: 700;
	line-height: 1.5;
	padding-left: 0.5em;
	padding-top: 0.1em;
}
.layout-conference-top .top-news__body {
	min-width: 0;
}
.layout-conference-top .top-news__text {
	margin: 0;
	font-size: 1.7rem;
	line-height: 1.7;
	color: #333;
}
.layout-conference-top .top-news__inlineLink {
	color: var(--color-link);
	text-decoration: underline;
	text-underline-offset: 0.12em;
}

.layout-conference-top .top-news__inlineLink:hover,
.layout-conference-top .top-news__inlineLink:focus,
.layout-conference-top .top-news__inlineLink:active {
	color: var(--color-link-hover);
}
.layout-conference-top .top-news__link {
	display: block;
	font-size: 1.4rem;
	line-height: 1.7;
	color: #3c6595;
}
/* =========================================================
   [FOOTER] conference footer override
========================================================= */
.layout-conference-top .footer__body {
	padding-block: 0;
}
.layout-conference-top .footer__inner {
	width: min(100% - 40px, 1000px);
	padding-block: 56px;
}
.layout-conference-top .footer-nav__title {
	border-bottom-color: var(--footer-copyright-border);
}
.layout-conference-top .contact-list {
	margin-bottom: 0;
}
.layout-conference-top .contact-list__item {
	justify-content: center;
}
.layout-conference-top .contact-list__title {
	font-size: 1.4rem;
	margin: 0 0 0.25em;
}
.layout-conference-top .contact-list__item p {
	font-size: 1.4rem;
	line-height: 1.5;
}
.layout-conference-top .footer a {
	color: var(--footer-link-color);
	text-decoration: underline;
	text-underline-offset: 0.12em;
	transition: color 0.2s ease;
}

.layout-conference-top .footer a:hover,
.layout-conference-top .footer a:focus,
.layout-conference-top .footer a:active {
	color: var(--footer-link-hover-color);
}
.layout-conference-top .copyright {
	background: #171731;
	color: #fff;
}
/* =========================================================
   [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;
}
/* =========================================================
   [RESPONSIVE] conference
========================================================= */
.layout-conference-top .nav-toggle {
	display: none;
}
@media (min-width: 1000px) {
	.layout-conference-top .hero__image::after {
		content: none;
	}
}
@media (max-width: 999px) {
	.layout-conference-top .site-bg {
		max-width: none;
		display: block;
	}
	/* -----------------------------------------
	   SP header / logo / nav
	----------------------------------------- */
	.layout-conference-top .header {
		width: 100%;
		position: absolute;
		top: 0;
		left: 0;
		z-index: var(--top-sp-z-header);
		background: transparent;
		pointer-events: none;
	}
	.layout-conference-top .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-top .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-top .site-logo {
		position: absolute;
		top: 8px;
		left: 50%;
		width: min(calc(100vw - 84px), 360px);
		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-top .site-logo picture,
	.layout-conference-top .site-logo img {
		display: block;
		width: 100%;
		height: auto;
	}
	.layout-conference-top .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-top.is-nav-open .site-title {
		position: fixed;
		top: 0;
		left: 0;
		z-index: var(--top-sp-z-title);
		background: #3c6594;
		pointer-events: none;
		display: block;
	}
	.layout-conference-top.is-nav-open .site-logo {
		position: fixed;
		top: 8px;
		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-top.page-home .site-title {
		display: none;
	}
	.layout-conference-top.page-home.is-nav-open .site-title {
		display: block;
	}
	/* hamburger */
	.layout-conference-top .nav-toggle {
		position: fixed;
		top: 0;
		right: 0;
		display: flex;
		justify-content: center;
		width: 60px;
		height: 60px;
		background: #e7781f;
		border: 0;
		cursor: pointer;
		z-index: var(--top-sp-z-toggle);
		padding: 0;
		pointer-events: auto;
	}
	.layout-conference-top .nav-toggle span {
		display: block;
		position: absolute;
		width: 30px;
		height: 2px;
		left: 15px;
		background: #fff;
		color: #fff;
		transition: 0.3s ease-in-out;
	}
	.layout-conference-top .nav-toggle span:nth-child(1) {
		top: 12px;
	}
	.layout-conference-top .nav-toggle span:nth-child(2) {
		top: 21px;
	}
	.layout-conference-top .nav-toggle span:nth-child(3) {
		top: 30px;
	}
	.layout-conference-top .nav-toggle.is-active span:nth-child(1) {
		top: 21px;
		transform: rotate(45deg);
	}
	.layout-conference-top .nav-toggle.is-active span:nth-child(2) {
		opacity: 0;
	}
	.layout-conference-top .nav-toggle.is-active span:nth-child(3) {
		top: 21px;
		transform: rotate(-45deg);
	}
	.layout-conference-top .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-top .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: rgba(255, 255, 255, 0.98);
		box-shadow: none;
		overflow-y: auto;
		z-index: var(--top-sp-z-nav);
		pointer-events: auto;
	}
	.layout-conference-top .site-nav.is-open {
		display: block;
	}
	.layout-conference-top.is-nav-open {
		overflow: hidden;
	}
	/* -----------------------------------------
	   SP layout
	----------------------------------------- */
	.layout-conference-top .site-main {
		width: 100%;
		padding-top: 0;
	}
	.layout-conference-top .hero__image {
		min-height: 520px;
	}
	.layout-conference-top .hero__meta {
		left: 24px;
		right: 24px;
		bottom: 24px;
		max-width: none;
		margin-left: 0;
	}
	.layout-conference-top .content-block__inner {
		width: min(100% - 24px, 720px);
		padding-block: 20px 28px;
	}
	.layout-conference-top:not(.page-home) .site-main {
		padding-top: 80px;
	}
	.layout-conference-top:not(.page-home) .content-block__inner {
		width: min(96%, 840px);
		padding-block: 0 32px;
	}
	.layout-conference-top:not(.page-home) .page-content__head {
		padding: 28px 24px 28px;
		border-radius: 1em 1em 0 0;
	}
	.layout-conference-top:not(.page-home) .page-content__body {
		border-radius: 0 0 1em 1em;
	}
	.layout-conference-top .footer__inner {
		width: min(100% - 24px, 1000px);
	}
	.layout-conference-top .site-nav__banners {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		gap: 10px;
	}
	.layout-conference-top .site-nav__banner {
		width: calc((100% - 10px) / 2);
		min-width: 140px;
	}
	.layout-conference-top .c-side-banner {
		width: 100%;
	}
	.layout-conference-top .hero__image img {
		width: 100%;
		height: auto;
		margin-left: 0;
	}
	.layout-conference-top .hero__image::after {
		content: "";
		position: absolute;
		left: 0;
		right: 0;
		bottom: 0;
		height: 10px;
		background: linear-gradient(90deg, #e26006 0%, #ec8e38 100%);
		transform: translateX(0);
		pointer-events: none;
		z-index: 2;
	}
	.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 (min-width: 2000px) {
	.layout-conference-top .hero__image {
		min-height: var(--top-hero-stage-height);
		display: flex;
		align-items: flex-end;
	}
	.layout-conference-top .hero__image picture {
		display: block;
		width: 100%;
		margin-top: auto;
	}
	.layout-conference-top .hero__image img {
		display: block;
		width: 100%;
		height: auto;
		margin-left: 0;
	}
}

@media (max-width: 767px) {
	.layout-conference-top .site-nav__item a {
		padding: 10px 28px 10px 12px;
	}
	.layout-conference-top .hero__image {
		min-height: 420px;
		background-position: center center;
	}
	.layout-conference-top .hero__meta {
		left: 20px;
		right: 20px;
		bottom: 20px;
	}
	.layout-conference-top .hero__date {
		font-size: 2.1rem;
	}
	.layout-conference-top .hero__place {
		font-size: 1.7rem;
	}
	.layout-conference-top .hero__chair {
		font-size: 1.4rem;
	}
	.layout-conference-top .hero__chair span {
		display: block;
		margin-top: 4px;
		margin-left: 0;
	}
	.layout-conference-top .content-block__inner {
		width: min(100% - 24px, 100%);
	}
	.layout-conference-top:not(.page-home) .page-content__head {
		padding: 22px 16px 18px;
	}
	.layout-conference-top:not(.page-home) .c-heading-section {
		padding-inline: 0.5em;
	}
	.layout-conference-top .top-news__item {
		grid-template-columns: 1fr;
		gap: 0;
		padding: 14px 0;
	}
	.layout-conference-top .top-news__date {
		padding: 0;
		font-size: 1.4rem;
	}
	.layout-conference-top .top-news__text {
		margin: 0;
		font-size: 1.4rem;
		line-height: 1.7;
	}
	.layout-conference-top .top-news__inlineLink {
		text-decoration: underline;
		text-underline-offset: 0.12em;
	}
	.layout-conference-top .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-top .site-logo {
		width: min(calc(100vw - 84px), 210px);
	}
	.layout-conference-top .site-logo img {
		margin: 0 auto 0 0;
	}
	.layout-conference-top .site-nav__banners {
		gap: 8px;
	}
	.layout-conference-top .site-nav__banner {
		width: calc((100% - 8px) / 2);
		min-width: 0;
	}
	.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;
	}
}