  /* gridmenu */
#h_top {
	position: sticky;
	top: 0;
	flex: 1 0 auto;
	display: block;
	display: flex;
	flex-direction: column;
	width: 100%;
	height: 100%;
	height: 100vh;
	padding: 0;
	background-color: #015ba7;
}
@supports (-webkit-touch-callout: none) {
	#h_top { height: -webkit-fill-available; }
}
.h_top_grid {
	flex: 1 0 auto;
	display: flex;
	width: 100%;
	margin: auto;
	background: url('/~hns/image/menu/bg_topmenu.jpg') no-repeat center center;
	background-size: cover;
}
@media screen and (min-width: 980px) {
	#h_top {
		position: relative;
		height: auto;
		min-height: auto;
		flex: 0 0 auto;
	}
	.h_top_grid {
		width: 1000px;
		height: 600px;
	}
}
.h_top_grid li {
	flex: 1 0 auto;
	max-width: auto;
	display: flex;
	flex-flow: row wrap;
	lign-items: flex-start;
}
.h_top_grid li:first-child,
.h_top_grid li:last-child {
	flex: 1 0 20%;
	max-width: 20%;
	display: none;
	flex-flow: column wrap;
}
@media screen and (min-width: 980px) {
	.h_top_grid li {
		flex: 1 0 60%;
		max-width: 60%;
	}
	.h_top_grid li:first-child,
	.h_top_grid li:last-child { display: flex; }
}

.h_top_grid li > * {
	flex: 1 0 auto;
	max-width: auto;
	border-bottom: 1px solid #015ba7;
	background-color: #015ba7;
	background-repeat: no-repeat;
	background-position: center center;
	animation: eff_grid 3s ease forwards;
}
@keyframes eff_grid {
	0% { background-color: #015ba7; }
	100% { background-color: rgba(255,255,255,0); }
}
@keyframes eff_grid_n {
	0% { background-color: #015ba7; background-image: none; }
	50% { background-color: rgba(255,255,255,.8); }
	100% { background-color: rgba(255,255,255,.5); background-image: url('/~hns/image/menu/top_name.png'); }
}
@keyframes eff_grid_g {
	0% { background-color: #015ba7; }
	100% { background-color: rgba(255,255,255,.5); }
}
@keyframes eff_grid_w {
	0% { background-color: #015ba7; }
	100% { background-color: rgba(255,255,255,.95); }
}
.h_top_grid li:nth-child(2) > * {
	flex: 1 0 33.33%;
	max-width: 33.33%;
}
@media screen and (min-width: 980px) {
	.h_top_grid li:nth-child(2) > * {
		flex: 1 0 200px;
		max-width: 200px;
	}
}
.h_top_grid li:first-child > * { border-right: 1px solid #015ba7; }
.h_top_grid li:last-child > * { border-left: 1px solid #015ba7; }
.h_top_grid li:nth-child(2) > *:not(:nth-child(3n+1)) { border-left: 1px solid #015ba7; }

.h_top_grid li > *.top_menu_news { background-image: url('/~hns/image/menu/b_news.png'); }
.h_top_grid li > *.top_menu_name { background-image: url('/~hns/image/menu/b_name.png'); }
.h_top_grid li > *.top_menu_class { background-image: url('/~hns/image/menu/b_class.png'); }
.h_top_grid li > *.top_menu_disease { background-image: url('/~hns/image/menu/b_disease.png'); }
.h_top_grid li > *.top_menu_results { background-image: url('/~hns/image/menu/b_results.png'); }
.h_top_grid li > *.top_menu_treatment { background-image: url('/~hns/image/menu/b_treatment.png'); }
.h_top_grid li > *.top_menu_recruit { background-image: url('/~hns/image/menu/b_recruit.png'); }

.h_top_grid li > *.grid_bg_g { animation: eff_grid_g 3s ease forwards; }
.h_top_grid li > *.grid_bg_w { animation: eff_grid_w 3s ease forwards; }
.h_top_grid li > *.grid_bg_n {
	background-image: none;
	background-size: contain;
	animation: eff_grid_n 3s ease forwards;
}

.h_top_grid li > *:first-child { animation-delay: .3s; }
.h_top_grid li > *:nth-child(2) { animation-delay: .0s; }
.h_top_grid li > *:nth-child(3) { animation-delay: 0.6s; }
.h_top_grid li > *:nth-child(4) { animation-delay: 1.2s; }
.h_top_grid li > *:nth-child(5) { animation-delay: 0.9s; }
.h_top_grid li > *:nth-child(6) { animation-delay: 1.5s; }
.h_top_grid li > *:nth-child(7) { animation-delay: 2.1s; }
.h_top_grid li > *:nth-child(8) { animation-delay: 1.8s; }
.h_top_grid li > *:nth-child(9) { animation-delay: 2.4s; }

.h_top_grid li > *:hover { background-color: rgba(255,255,255,.4)!important; }
.h_top_grid li > *.grid_bg_w:hover { background-color: rgba(255,255,255,.85)!important; }
/* topnews */
#top_news { padding-bottom: 1em; }
#top_news > dl { padding: 0 10px 5px; }
#top_news > dl > dt {
	white-space: nowrap;
	color: #015ba7;
}
@media screen and (min-width: 980px) {
	#top_news > dl > dt { float: left; }
	#top_news > dl > dd { padding-left: 6.5em; }
	#top_news > dl > dd:after {
		content: "";
		display: block;
		height: 0;
		clear: both;
		visibility: hidden;
	}
}
.top_news_more { text-align: right; }
.top_news_more > * {
	padding: 5px 2em;
	background-color: #015ba7;
	border-radius: 5px;
	color: #fff;
	cursor: pointer;
}
.top_btn {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
}
.top_btn > a {
	display: block;
	padding: 5px 15px;
	border-radius: 5px;
	background-color: #015ba7;
}
