body {
	overflow: visible;
	background: transparent;
}

#content-15th {
	background: #c7a79a;
	padding-block-start: 60px;
}

#content-20th {
	background: #FAF596;
}

#content-25th {
	background-color: #71B35E;
	background-image: linear-gradient(to bottom, #71B35E 0, #71B35E 50%, #6CBCAD 50%, #6CBCAD 100%);
	position: relative;
	z-index: -2;
}

#content-25th .title-section {
	padding-block-start: 60px;
}
.year-end.present-end {
	position: relative;
}
.year-end.present-end::after {
	content: '';
	display: block;
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	background-image: url(../images/img_end.png);
	background-repeat: no-repeat;
	background-size: 20% auto;
	background-position: center;
}