/*===============================
MARK: root 
=================================*/
html {
	scroll-behavior: smooth;
}

:root {
	--fz10: 0.625rem;
	--fz12: 0.75rem;
	--fz13: 0.8125rem;
	--fz14: 0.875rem;
	--fz16: 1rem;
	--fz17: 1.0625rem;
	--fz18: 1.125rem;
	--fz20: 1.25rem;
	--fz22: 1.375rem;
	--fz24: 1.5rem;
	--fz26: 1.625rem;
	--fz28: 1.75rem;
	--fz30: 1.875rem;
	--fz32: 2rem;
	--fz34: 2.125rem;
	--fz36: 2.25rem;
	--fz38: 2.375rem;
	--fz40: 2.5rem;
	--c-black: #101f51;
	--c-red: #d3350f;
	--c-white: #ffffff;
	--c-yellow: #ffee66;
	--c-link: #ef8d87;
}

/*===============================
MARK: common
=================================*/

body {
	position: relative;
	overflow-x: hidden;
	font-family:
		'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans',
		Meiryo, sans-serif;
	font-weight: 400;
	-webkit-font-smoothing: antialiased;
	background: #01425d;
	color: var(--c-black);
	letter-spacing: 0.05em;
	clip-path: inset(0);
}

a {
	transition: 0.3s;
	color: var(--c-link);
}

a:hover {
	opacity: 0.8;
}

img {
	width: 100%;
}

.main-wrap {
	display: flex;
}

.page-content {
	width: 1366px;
	padding-left: 240px;
	position: relative;
	margin-inline: auto;
}

.container {
	width: min(966px, calc(100% - 40px));
	margin-inline: auto;
}

.d-flex {
	display: flex;
	align-items: start;
	justify-content: start;
}

.tb-content {
	display: none;
}

.sp-content {
	display: none;
}

.indent1em {
	text-indent: -1em;
	margin-left: 1em;
}

.indent2em {
	text-indent: -2em;
	margin-left: 2em;
}

.text-center {
	text-align: center !important;
}

.text-right {
	text-align: right !important;
}

.c-white,
.c-white * {
	color: #fff;
}

.c-red,
.c-red * {
	color: var(--c-red);
}

.mt1em {
	margin-top: 1em;
}

.message {
	margin-top: 15px;
	border: 1px solid #d3350f;
	background: #fff;
	padding: 10px 15px;
	line-height: 1.7;
	margin-bottom: 10px;
}

.link-none {
	pointer-events: none;
}

/*===============================
MARK: BTN
=================================*/

.btn {
	position: relative;
	display: inline-block;
	line-height: 1.5;
	text-decoration: none;
	padding: 0.5em 2.2em 0.5em 1.2em;
	min-width: 172px;
	font-weight: 400;
	font-size: var(--fz18);
	background: linear-gradient(90deg, #009cd1 42.31%, #cab2de 100%);
	box-shadow: 0 4px 34px 0 rgba(0, 0, 0, 0.25);
	color: #fff;
	border-radius: 4px;
}

.btn.btn-02 {
	background: linear-gradient(90deg, #009cd1 42.31%, #8ae0c5 100%);
	box-shadow: 0 4px 34px 0 rgba(0, 0, 0, 0.25);
}

.btn.btn-ex {
	background: linear-gradient(90deg, #f1b197 42.31%, #5dabdf 100%);
	box-shadow: 0 4px 34px 0 rgba(0, 0, 0, 0.25);
	padding: 0.5em 2.8em 0.5em 1.5em;
}

.btn:hover {
	box-shadow: 0 5px 20px rgb(97 143 163 / 0.41);
	opacity: 1;
}

.btn::after {
	content: '';
	display: block;
	background-image: url(../images/icon_arrow.svg);
	background-size: contain;
	background-repeat: no-repeat;
	width: 8px;
	height: 10px;
	position: absolute;
	top: 50%;
	right: 0.5em;
	transform: translateY(-50%);
}

.btn.btn-ex::after {
	width: 11px;
	height: 11px;
	background-image: url(../images/icon_ex.svg);
	top: 60%;
	transform: translateY(0);
}

.btn-training {
	border-radius: 50em;
	font-size: 12px;
	padding: 1em 1.5em;
}

.btn-training::after {
	content: none;
}

/*===============================
MARK: NAV
=================================*/
#js-sp-nav {
	position: fixed;
	flex-shrink: 0;
	width: 100%;
	max-width: 240px;
	padding: 1rem 10px 0 30px;
	z-index: 1;
	top: 20px;
	left: 0;
	right: 0;
	bottom: 0;
	overflow-y: auto;
}

#js-sp-nav::-webkit-scrollbar {
	width: 16px;
}

#js-sp-nav::-webkit-scrollbar-thumb {
	background: #01344a;
	border-radius: 8px;
	border-right: 4px solid transparent; /* 透明なボーダーをつける */
	border-left: 4px solid transparent; /* 透明なボーダーをつける */
	background-clip: padding-box; /* 背景を切り取る */
}

#js-sp-nav::-webkit-scrollbar-track {
	/* 上下に余白を付ける */
	margin-top: 4px;
	margin-bottom: 4px;
}

#js-sp-nav .main-nav {
	list-style: none;
	margin-block: 30px 20px;
}

.nav-logo a {
	display: block;
	max-width: 168px;
}

#js-sp-nav .main-nav li {
	position: relative;
}

.main-nav li:hover::before {
	width: 100%;
}

.main-nav button,
.main-nav a {
	display: block;
	position: relative;
	color: #fff;
	text-decoration: none;
	padding: 5px;
	font-weight: 400;
	font-size: var(--fz14);
	letter-spacing: 0;
	z-index: 1;
}

.main-nav .active a,
.main-nav a:hover {
	color: var(--c-yellow);
}

.main-nav li button:hover,
.main-nav li a:hover,
.main-nav li.active a {
	opacity: 1;
}

.nav-inner .btn {
	display: flex;
	align-items: center;
	border-radius: 15px;
	border: 2px solid #fff;
	box-shadow: none;
	padding: 1em 3em 1em 1em;
	margin-bottom: 10px;
	background: var(--c-blue);
	color: #fff;
	height: 74px;
}

.nav-inner .btn::after {
	content: '';
	display: block;
	border: none;
	transform: translateY(-50%);
	background-repeat: no-repeat;
	background-size: contain;
	right: 0.5em;
}

.nav-inner .btn.btn-registration {
	background: var(--c-red);
}

.nav-inner .btn:hover {
	transform: translateY(-3px);
	box-shadow: 0 0 5px rgb(0 0 0 / 0.25);
}

.main-nav .ready a {
	color: #7d8db3;
}

/*===============================
MARK: TOP-CONTENT
=================================*/

#mv {
	position: relative;
	width: 100%;
}

#mv .hidden {
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	visibility: hidden;
}

.mv-image img {
	display: block;
}

.mv-btn {
	position: absolute;
	bottom: min(11%, 79px);
	left: min(8%, 80px);
}

.mv-btn .d-flex {
	gap: 26px;
}

#news {
	position: relative;
	margin-top: 52px;
}

#news .inner {
	display: flex;
	background: #fff;
	overflow: hidden;
	border-radius: 40px;
}

#news .heading {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 17%;
	padding-inline: 15px;
}

#news .heading h2 {
	font-size: 1rem;
	font-weight: 400;
}

.news-inner {
	padding: 20px 10px 10px 0;
	flex: 1;
}

.news-list {
	list-style: none;
	padding-right: 10px;
	height: 160px;
	overflow: auto;
}

.news-item {
	display: flex;
	align-items: start;
	justify-content: start;
	gap: 14px;
	padding: 0.85em 0;
}

.news-item.new .news-ttl::after {
	content: 'NEW';
	display: inline-block;
	padding-left: 0.5em;
	font-optical-sizing: auto;
	font-style: normal;
	font-weight: 600;
	color: #ff8d28;
}

.news-date {
	position: relative;
}

#outline {
	margin-top: 55px;
}

.heading-h2 {
	text-align: center;
	color: var(--c-white);
	font-size: var(--fz22);
	font-weight: 600;
	letter-spacing: 0.15em;
	border-top: 3px solid #fff;
	border-bottom: 3px solid #fff;
	background: #606552;
	padding: 6px 5px 7px;
}

#outline .d-flex {
	margin-top: 20px;
	gap: 26px;
}

#outline .d-flex > div {
	flex: 1;
}

#outline dl {
	color: #fff;
	margin-bottom: 36px;
}

#outline dt {
	background: #6c5f3d;
	background: linear-gradient(90deg, rgba(108, 95, 61, 1) 0%, rgba(80, 174, 236, 0.2) 100%);
	border-radius: 9px;
	padding: 5px 10px 6px 15px;
	margin-bottom: 9px;
}

#greeting {
	margin-top: 64px;
	background: #d8d8d8;
	background: linear-gradient(0deg, rgba(216, 216, 216, 1) 0%, rgba(238, 254, 255, 1) 100%);
	border-radius: 9px;
	backdrop-filter: blur(2px);
	padding: 19px 50px 55px 50px;
	font-size: var(--fz14);
}

.heading-h3 {
	text-align: center;
	border-bottom: 3px solid var(--c-black);
	font-size: var(--fz22);
	font-weight: 500;
	letter-spacing: 0.14em;
	padding-bottom: 15px;
}

#greeting .inner.d-flex {
	gap: 33px;
	margin-top: 32px;
}

#greeting .img {
	width: 100%;
	max-width: 130px;
}

#greeting .txt {
	flex: 1;
}

#greeting .txt p {
	line-height: 2;
}

#greeting .txt .bold {
	font-weight: 600;
	line-height: 2.1;
	margin-bottom: 10px;
}

#access {
	margin-top: 70px;
	color: #fff;
}

#access .d-flex {
	gap: 50px;
}

#access .place {
	font-size: var(--fz20);
	font-weight: 700;
	margin-block: 30px 12px;
}

#access .btn-wrap {
	margin-top: 40px;
}

#access .right {
	width: 100%;
	flex: 1;
}

.g-map iframe {
	width: 100%;
	height: 100%;
	aspect-ratio: 16 / 9;
}

/*===============================
MARK: footer
=================================*/
.site-footer {
	position: relative;
	margin-top: 120px;
	background: linear-gradient(180deg, rgba(107, 194, 238, 0) 0%, #3d6f88 100%);
}

#page-top {
	position: fixed;
	text-decoration: none;
	right: 30px;
	bottom: 40px;
	opacity: 0;
	visibility: hidden;
	transition: 0.3s;
	z-index: 100;
}

#page-top.show {
	opacity: 1;
	visibility: visible;
}

#page-top a {
	position: relative;
	display: block;
	background: #01425d;
	border: 1px solid #fff;
	border-radius: 9px;
	width: 40px;
	height: 40px;
}

#page-top a::after {
	content: '';
	display: block;
	color: #fff;
	line-height: 1;
	width: 0.5em;
	height: 0.5em;
	border: 1px solid currentColor;
	border-left: 0;
	border-bottom: 0;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: rotate(-45deg) translateY(-50%) translateX(-25%);
}

.footer-content {
	background-image: url(../images/footer01.png), url(../images/footer02.png);
	background-repeat: no-repeat, no-repeat;
	background-position:
		30% 100%,
		100% 0%;
	background-size: 361px, 247px;
	padding-block: 155px 90px;
}

.footer-content .inner {
	width: 1366px;
	padding-left: 240px;
	margin-inline: auto;
}

.copyright {
	position: relative;
	font-size: 12px;
	text-align: right;
	color: #fff;
}

/*===============================
MARK: 下層ページ
=================================*/

.page-content.lower-page {
	padding-block: 60px 80px;
}

.page-main {
	margin-top: 30px;
	background: #d8d8d8;
	background: linear-gradient(0deg, rgba(216, 216, 216, 1) 0%, rgba(238, 254, 255, 1) 100%);
	border-radius: 9px;
	backdrop-filter: blur(2px);
	padding: 30px 20px 55px 20px;
	font-size: var(--fz14);
}

.lower-page p {
	margin-bottom: 1em;
	line-height: 1.7;
	font-weight: 400;
}

.lower-page ol,
.lower-page ul {
	padding-left: 1.5em;
	font-weight: 400;
}

.lower-page ol li {
	margin-bottom: 1em;
}

.lower-page h3 {
	font-size: clamp(1.125rem, calc(1.0514705882352942rem + 0.29411764705882354vw), 1.25rem);
	font-weight: 600;
	line-height: 1.6;
	color: #fff;
	background: #6c5f3d;
	background: linear-gradient(90deg, rgba(108, 95, 61, 1) 0%, rgba(80, 174, 236, 0.2) 100%);
	border-radius: 9px;
	padding: 5px 10px 6px 15px;
	margin-bottom: 1em;
}

.lower-page h4 {
	text-align: center;
	border-bottom: 3px solid var(--c-black);
	font-size: clamp(1rem, calc(0.921875rem + 0.3125vw), 1.125rem);
	font-weight: 500;
	letter-spacing: 0.14em;
	padding-bottom: 15px;
	margin-block: 1.5em 1em;
}

.lower-page h5 {
	padding-bottom: 0.2em;
	margin-block: 1em 0.8em;
	border-bottom: 1px dashed var(--c-blue);
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.6;
}

.page-ttl {
	font-size: clamp(1.125rem, calc(0.9375rem + 0.75vw), 1.5rem);
	font-weight: 500;
	color: #fff;
	letter-spacing: 0.15em;
	border-top: 3px solid #fff;
	border-bottom: 3px solid #fff;
	background: #606552;
	padding: 6px 15px 7px;
	text-align: center;
}

.getting-ready {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 40vh;
}

.getting-ready .inner {
	border-radius: 20px;
	padding: 2em 2.5em;
	background: linear-gradient(45deg, #f1b197 42.31%, #5dabdf 100%);
	box-shadow: 0 4px 34px 0 rgba(0, 0, 0, 0.25);
}

.getting-ready p {
	margin-bottom: 0;
	color: #fff;
}

.table {
	border-collapse: collapse;
	width: 100%;
}

.table th,
.table td {
	border-bottom: 1px solid #ddd;
	padding: 1em;
}
.table th {
	border-bottom: 1px solid #ddd;
	font-weight: bold;
	text-align: center;
	width: 20%;
	min-width: 4em;
}
.table td {
	font-weight: 400;
	line-height: 1.7;
}

.table-common {
	margin-bottom: 0.8em;
}

.table-common th,
.table-common td {
	border: 1px solid;
}

.table-common th {
	text-align: left;
	background: #eee;
	width: auto;
}

.table-scroll {
	overflow-x: auto;
}
.table-sponsorship {
	width: 100%;
	min-width: 560px;
}

.table-sponsorship td {
	text-align: center;
}

.dl-table {
	display: flex;
	border-bottom: 1px solid var(--c-black);
}

.dl-table > dt,
.dl-table > dd {
	padding: 1.2em 15px;
}

.dl-table dt {
	background: var(--c-l-blue);
	font-weight: 700;
	width: 35%;
}

.dl-table dd {
	flex: 1;
}

.accommodation .page-main .btn-wrap {
	margin-block: 2em 4em;
}

.accommodation .plan {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	grid-template-rows: repeat(2, 1fr);
	grid-column-gap: 20px;
	grid-row-gap: 20px;
	margin-block: 2em 3em;
	padding-inline: 5%;
}

.accommodation .plan > div {
	display: grid;
	place-content: center;
	text-align: center;
	border-radius: 20px;
	padding: 1.4em 1em;
	background: #fef6df;
	font-size: var(--fz20);
	font-weight: 600;
}

.accommodation .plan > div span {
	font-size: 80%;
}

.english #access {
	color: var(--c-black);
}