/* =====================
 Header
===================== */

.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background: var(--yellow);
	z-index: 1000;
}

.header-inner {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 62px;
	padding: 0 20px;
}

.header~main {
	padding-top: 62px;
}

/* --------------------
 PC Nav
-------------------- */

.gnav ul {
	display: flex;
	gap: 32px;
	font-weight: Bold;
	font-size: 16px;
	color: var(--black);
	;
}

/* --------------------
 Hamburger
-------------------- */

.hamburger {
	width: 35px;
	height: 25px;
	display: none;
	flex-direction: column;
	justify-content: space-between;
}

.hamburger span {
	height: 3px;
	border-radius: 9999px;
	background: var(--purple);
	transition: .3s;
}

/* active animation */

.hamburger.is-open span:nth-child(1) {
	transform: translateY(11px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
	opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
	transform: translateY(-11px) rotate(-45deg);
}

/* --------------------
 SP Menu
-------------------- */

.sp-menu {
	position: fixed;
	inset: 0;
	background: rgba(72, 4, 166, 0.85);
	color: #fff;
	opacity: 0;
	visibility: hidden;
	transition: .3s;
	display: flex;
	justify-content: center;
	align-items: center;
}

.sp-menu ul {
	text-align: center;
}

.sp-menu li {
	margin: 20px 0;
	font-size: 16px;
}

/* 開いた時 */
.sp-menu.is-open {
	opacity: 1;
	visibility: visible;
	z-index: 100;
}

/* =====================
 Footer
===================== */
.footer {
	padding: 1em 0;
	text-align: center;
	background: #000;
	color: #fff;
	font-size: 16px;
}

/* =====================
 MV
===================== */
.mv {
	display: inline-block;
	width: 100%;
	height: 490px;
	background: url(../img/mv.jpg) center / 1920px 100% no-repeat;
}

/* =====================
 event
===================== */

.event h1>img {
	display: inline-block;
	padding-right: 1rem;
	padding-bottom: .5rem;
}

/* =====================
 phantom
===================== */
.phantom {
	position: relative;
	display: inline-block;
	width: 100%;
	height: 319px;
	background: url(../img/bg_phantom.jpg) center / 1920px 100% no-repeat;
}

.phantom .phantom-ttl {
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}

.phantom::before,
.phantom::after {
	content: "";
	position: absolute;
	left: 0;
	width: 100%;
	height: 7px;
	background: linear-gradient(to right, #FFFFFF, #999999);
}

.phantom::after {
	bottom: 0;
	background: linear-gradient(to right, #999999, #FFFFFF);
}

/* =====================
 overview
===================== */
.overview .info {
	display: grid;
	grid-template-columns: 140px 1fr;
	gap: 8px 0;
	color: var(--white);
	font-size: 16px;
	line-height: 1.25;
}

.overview .info-label {
	font-weight: bold;
	padding-left: .5em;
}

.overview .info-content>strong {
	font-weight: bold;
}

.overview .info-content>a {
	text-decoration: underline;
}

.overview .divider {
	grid-column: 1 / -1;
	height: 2px;
	background: #D0D0D0;
	margin-block: 10px 30px;
}

/* =====================
 story
===================== */
.story p {
	font-size: 20px;
	font-weight: bold;
	color: var(--white);
}

.story p>span {
	color: var(--yellow);
}

/* =====================
 join
===================== */
@media (min-width: 768px) {
	.join .join-content {
		display: grid;
		grid-template-columns: repeat(4, 1fr);
		gap: 60px;
		height: auto;
	}

	.join .join-card:not(:last-child)::before {
		content: "";
		position: absolute;
		top: 0;
		bottom: 0;
		right: -30px;
		width: 2px;
		background: var(--white);
	}
}

.join .join-card {
	position: relative;
	display: grid;
	grid-template-columns: 1fr;
	grid-template-rows: 150px min-content auto;
	gap: .5em;
}

.join .join-step {
	position: absolute;
	font-size: 64px;
	line-height: 1;
	opacity: 0.5;
	top: 0;
	left: 0;
	right: 0;
	margin-inline: auto;
	text-align: center;
}

.join .join-img {
	position: relative;
}

.join .join-card .join-img.icon01 {
	margin-top: 50px;
}

.join .join-card .join-img.icon02 {
	margin-top: 30px;
}

.join .join-card .join-img.icon03 {
	margin-top: 25px;
}

.join .join-card .join-img.icon04 {
	margin-top: 45px;
}

.join .join-ttl {
	font-weight: Bold;
	font-size: 18px;
	color: var(--yellow);
	text-align: center;
}

.join .join-p {
	font-size: 16px;
	color: var(--white);
}

.join .join-p>span {
	color: var(--yellow);
	text-decoration: underline;
	text-decoration-color: currentColor;
}

.join .join-info-bg {
	padding: 2em 1em;
	background: var(--black);
	border-radius: 12px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.join .join-info {
	display: grid;
	grid-template-columns: 100px 1fr;
	gap: 8px 0;
	color: var(--white);
	font-size: 16px;
	line-height: 1.25;
}

.join .join-info-label {
	color: var(--yellow);
	font-weight: bold;
}

.join .join-info-label>span {
	position: relative;
	padding-left: 24px;
}

.join .join-info-label>span::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	display: inline-block;
	width: 24px;
	height: 24px;
	background: url("../img/join_info_icon01.svg") no-repeat center / contain;
}

.join .join-info-label>span.times::before {
	background-image: url("../img/join_info_icon02.svg");
}

.join .join-info-label>span.items::before {
	background-image: url("../img/join_info_icon03.svg");
}

/* =====================
 play
===================== */
.play .box>figcaption {
	text-align: center;
	color: var(--yellow);
	font-weight: bold;
	font-size: 18px;
	margin: .5em;
}

.play .play-info-bg {
	background: var(--black);
	border-radius: 12px;
	overflow: clip;
}

.play .play-ttl {
	background-color: var(--yellow);
	font-weight: bold;
	font-size: 20px;
	color: var(--black);
	text-align: center;
}

.play .play-info {
	display: grid;
	grid-template-columns: 52px 1fr;
	gap: 16px;
	color: var(--white);
	font-size: 16px;
	line-height: 1.25;
	padding: 1em 2em;
}

/* =====================
 faq
===================== */
.faq .faq-info {
	display: grid;
	grid-template-columns: min-content 1fr;
	gap: 8px .5em;
	color: var(--white);
	font-size: 16px;
	line-height: 1.25;
	margin-top: 30px;
}

.faq .faq-info-label {
	font-weight: bold;
	padding-left: .5em;
}

.faq .faq-info-label.ans {
	color: var(--yellow);
}

.faq .faq-info-content>strong {
	font-weight: bold;
}

.faq .divider {
	grid-column: 1 / -1;
	height: 2px;
	background: #D0D0D0;
	margin-bottom: 20px;
	margin-top: 20px;
}

.faq p {
	color: var(--white);
}

/* =====================
 place
===================== */
.place .place-name {
	font-size: 20px;
	font-weight: bold;
	color: var(--white);
	text-align: center;
}

.place .place-add {
	color: var(--white);
	text-align: center;
	font-style: normal;
}

.place iframe {
	width: 100%;
	margin-top: 20px;
}

/* =====================
 parts
===================== */
/* リード文 */
.lead {
	text-align: center;
	font-size: 28px;
	color: var(--white);
	font-weight: bold;
}

/* title */
.ttl-pseudo {
	position: relative;
	display: inline-block;
	padding-inline: 160px;
	opacity: 1;
}

.ttl-pseudo::before,
.ttl-pseudo::after {
	content: "";
	position: absolute;
	top: 50%;
	width: 138px;
	height: 55px;
	transform: translateY(-50%) translateX(20px);
	background: url("../img/ttl_pseudo.svg") no-repeat center / contain;
	opacity: 0;
	transition: .5s .6s ease;
}

.ttl-pseudo::before {
	left: 0;
}

.ttl-pseudo::after {
	right: 0;
	transform: translateY(-50%) translateX(-20px) scaleX(-1);
}

.ttl-pseudo.is-show::before {
	transform: translateY(-50%) translateX(0);
	opacity: 1;
}

.ttl-pseudo.is-show::after {
	transform: translateY(-50%) translateX(0) scaleX(-1);
	opacity: 1;
}

/* section content 囲い */
.callout {
	border: 5px solid var(--yellow);
	border-radius: 1rem;
	background-color: var(--purple-light);
	padding: 3rem;
	box-shadow: 0 6px 0 0 var(--yellow);
}

/* アコーディオン */
details::details-content {
	transition: height 0.4s, opacity 0.4s, content-visibility 0.4s allow-discrete;
	height: 0;
	opacity: 0;
	overflow: clip;
}

details[open]::details-content {
	opacity: 1;
}

details[open] .icon {
	transform: rotate(180deg);
}

@supports (interpolate-size: allow-keywords) {
	:root {
		interpolate-size: allow-keywords;
	}

	details[open]::details-content {
		height: auto;
	}
}

@supports not (interpolate-size: allow-keywords) {
	details[open]::details-content {
		height: 800px;
		overflow-y: scroll;
	}
}

summary {
	display: grid;
	grid-template-columns: 1fr 24px;
	gap: 6px;
	align-items: center;
	padding: 8px 24px;
	background-color: var(--yellow);
	font-weight: bold;
	color: var(--purple-light);
	cursor: pointer;
	text-align: center;
	border-radius: 9999px;
}

summary::-webkit-details-marker {
	display: none;
}

details .icon {
	display: block;
	position: relative;
	width: 15px;
	height: 11px;
	margin-left: 6px;
	flex-shrink: 0;
	background-color: #7050ff;
	clip-path: polygon(0 100%, 50% 0, 100% 100%);
	transform-origin: center;
	transition: transform 0.4s;
}