#lead {
	height: 100vh;
	width: 100%;
	position: relative;
	padding-inline: 3em;
	overflow: hidden;
	text-align: center;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	color: #FFFFFF;
	background-color: #000000;
	opacity: 0.9;
}

#lead::before {
	background-color: #000000;
}

#lead::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
	background-image: url(../assets/bg_lead.png);
	background-repeat: no-repeat;
	background-size: contain;
	background-position: center;
	-webkit-animation: zoom 100s infinite;
	animation: zoom 30s infinite;
	animation-fill-mode: forwards;
	filter: blur(2px) brightness(0.6) saturate(0.8);
}

@keyframes zoom {
	0% {
		transform: rotate3d(-0.5, 1, 0, 30deg) scale(1.5);
	}
	50% {
		transform: rotate3d(-0.5, 1, 0, 30deg) scale(2);
	}
	100% {
		transform: rotate3d(-0.5, 1, 0, 30deg) scale(1.5);
	}
}

.introduction_segment {
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 50px;
}

.introduction_table {
	text-align: left;
	border: 1px solid #aaa;
	box-shadow: 0 0 3px 1px #aaa;
	padding-block: 1em;
	padding-inline: 5em;
}

.link_segment {
	text-align: center;
	padding: 100px 50px;
	border-image: linear-gradient(#eee, #eee) fill 0 0 100vw;
	background-color: #eee;
	clip-path: polygon(0 50px, 100% 0, 100% calc(100% - 50px), 0 100%);
}

.link {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	word-break: keep-all;
}