body::before {
	content: '';
	background: url("/img/30th/bg.jpg") center / cover;
	width: 100%;
	height: 100svh;
	min-height: 590px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: -1;
}
body::after {
	content: '';
	background: url("../img/egg.png") center / cover;
	width: 100%;
	height: 100svh;
	min-height: 590px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: -1;
	animation: anniversary 3s linear infinite;
}
@keyframes anniversary {
	0% {
		filter: brightness(100%);
	}
	50% {
		filter: brightness(170%);
	}
	100% {
		filter: brightness(100%);
	}
}
h1 {
	font-size: 1em;
	margin-bottom: -1px;
	background: url("../img/title_bg.png") bottom / cover;
	width: 100%;
	height: 100svh;
	min-height: 590px;
	position: relative;
}
h1 span {
	text-indent: -999em;
	background: url("../img/title.png") center / contain no-repeat;
	width: 100%;
	max-width: 700px;
	aspect-ratio: 3 / 1;
	position: absolute;
	bottom: 4em;
	left: 50%;
	transform: translateX(-50%) rotateX(90deg);
	transition-duration: 0s;
	transition-delay: 0s;
}
h1 span.show {
	transform: translateX(-50%) rotateX(0deg);
	transition: transform 0.8s ease 1s;
}
@media screen and (max-width: 420px) {
	h1 span {
		background-image: url("../img/title_narrow.png");
		aspect-ratio: 2 / 1;
	}
}

body > section,
body > section:nth-of-type(even) {
	color: #fff;
	background-color: #000;
}

section > div {
	max-width: 800px;
}
@media screen and (max-width: 600px) {
	section > div {
		padding: 30px;
	}
}

h2 {
	text-align: center;
	margin: 0 auto 2.5em auto;
	border-bottom: 1px solid #fff;
	width: 0;
	height: 1px;
	position: relative;
	transition-duration: 0s;
	transition-delay: 0s;
}
h2 span {
	padding: 0 .5em;
	background-color: #000;
	display: block;
	position: absolute;
	left: 50%;
	top: 50%;
	white-space: nowrap;
	overflow: visible;
	transform: translate(-50%, -50%);
	opacity: 0;
	transition-duration: 0s;
	transition-delay: 0s;
}
h2.show {
	width: 100%;
	transition: width 0.3s ease-in 0.5s;
}
h2.show span {
	opacity: 1;
	transition: opacity 0.5s ease-in;
}
h3 {
	font-size: 1.25em;
	margin-bottom: 1em;
}

#lead > div {
	font-size: 1.2em;
}

.rotateY {
	transform: rotateY(90deg);
	transition-duration: 0s;
	transition-delay: 0s;
}
.rotateY.show {
	transform: rotateY(0);
	transition: transform 0.8s ease 0.5s;
}
.fade {
	opacity: 0;
	transition-duration: 0s;
	transition-delay: 0s;
}
.fade.show {
	opacity: 1;
	transition: opacity 0.8s ease-in 0.5s;
}

#guide p {
	font-size: 1.3em;
	font-weight: 700;
	text-align: center;
	padding: 1.5em 0;
}
#guide span {
	white-space: nowrap;
}
#guide strong {
	font-size: 2.7em;
}
#guide small {
	font-size: .7em;
}
#guide strong small {
	font-size: .5em;
}

#speech > div > div {
	padding-right: calc(50% + 2em);
	position: relative;
}
#speech img {
	display: block;
	width: 50%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
	position: absolute;
	top: 0;
	right: 0;
}
@media screen and (max-width: 530px) {
	#speech h3,
	#speech h3 + p {
		text-align: center;
	}
	#speech > div > div {
		padding-right: 0;
	}
	#speech img {
		margin-bottom: 1.5em;
		width: 100%;
		height: 400px;
		position: relative;
	}
}

#time-table ol {
	margin: 0 auto;
	list-style: none;
	width: 30em;
	max-width: 100%;
}
#time-table ol > li {
	font-size: 1.2em;
	margin-left: 4em;
	padding: .5em 0 .5em 1.5em;
	border-left: 2px solid #fff;
	position: relative;
}
#time-table ol > li:before {
	content: '';
	background-color: #fff;
	border-radius: 6px;
	display: block;
	width: 12px;
	height: 12px;
	position: absolute;
	left: -7px;
	top: 1em;
}
#time-table ol > li > span {
	font-weight: bold;
	text-align: right;
	padding-right: 1.5em;
	display: inline-block;
	width: 6em;
	position: absolute;
	left: -6em;
	top: .5em;
}
#time-table ol.fade {
	opacity: 1;
}
#time-table ol > li {
	opacity: 0;
	transition-duration: 0s;
	transition-delay: 0s;
}
#time-table ol.fade.show > li {
	opacity: 1;
	transition: opacity 0.5s ease-in 0.5s;
}
#time-table ol.fade.show > li:nth-child(2) {
	transition-delay: 0.6s;
}
#time-table ol.fade.show  >li:nth-child(3) {
	transition-delay: 0.7s;
}
#time-table ol.fade.show > li:nth-child(4) {
	transition-delay: 0.8s;
}
#time-table ol.fade.show > li:nth-child(5) {
	transition-delay: 0.9s;
}
#time-table ol.fade.show > li:nth-child(6) {
	transition-delay: 1s;
}
#time-table ol.fade.show > li:nth-child(7) {
	transition-delay: 1.1s;
}
#time-table ul {
	font-size: .7em;
	padding-left: 1.5em;
}
#time-table ul > li {
	margin-top: .3em;
}

#price p {
	font-size: .8em;
	text-align: center;
}
#price dt {
	font-size: .9em;
	text-align: center;
	margin: 0 auto;
	padding: .5em 0;
	border: 1px solid #aaa;
	display: block;
	width: 7em;
}
#price dd {
	font-size: 3em;
	text-align: center;
}
#price dd + dt {
	margin-top: 1em;
}

#access > div > div {
	padding-right: calc(50% + 2em);
	height: 300px;
	position: relative;
}
#access iframe {
	width: 50%;
	height: 100%;
	position: absolute;
	top: 0;
	right: 0;
}
@media screen and (max-width: 690px) {
	#access h3 {
		text-align: center;
	}
	#access > div > div {
		padding-right: 0;
		height: auto;
	}
	#access iframe {
		margin: 0 auto 1.5em auto;
		width: 100%;
		height: 350px;
		position: relative;
	}
}

#info {
	padding-bottom: 5em;
}
#info p {
	text-align: center;
}
#info span {
	white-space: nowrap;
}
#info a {
	color: #fff;
	font-size: 1.2em;
	line-height: 2.5;
	text-align: center;
	background-color: #06c;
	border-radius: .5em;
	display: inline-block;
	width: 11em;
}
#info a:hover {
	text-decoration: none;
	background-color: #39f;
}

button#share {
	color: #fff;
	font-size: 14px;
	line-height: 1.8;
	writing-mode: vertical-rl;
	padding: .5em 0;
	background-color: #06c;
	border: none;
	border: 1px solid rgba(255, 255, 255, .5);
	border-left: none;
	border-radius: 0 10px 10px 0;
	position: fixed;
	top: 80px;
	left: -30px;
	appearance: none;
	-webkit-appearance: none;
	cursor: pointer;
	z-index: 10;
	transition: left 0.8s ease 1s;
}
button#share.show {
	left: 0;
}
button#share:hover {
	background-color: #39f;
}