section.gpu-cluster.conthead h1 ,
section.gpu-cluster.conthead h2 {
 position: relative;
 margin: 60px auto 80px;
 font-size: 32px;
 text-align: center;
}
section.gpu-cluster.conthead h1:after ,
section.gpu-cluster.conthead h2:after {
 content: "";
 position: absolute;
 bottom: -20px;
 left: 0;
 right: 0;
 margin: auto;
 width: 50px;
 height: 3px;
 background: #1650a2;
}

.c-inpageNav {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
}

.c-inpageNav__item {
  flex-grow: 1;
}

.c-inpageNav__item a {
  position: relative;
  display: block;
  padding: 12px 12px 18px 12px;
  height: 100%;
  color: inherit;
  font-size: 18px;
  text-align: center;
  border-right: 1px solid #333;
}

.c-inpageNav__item a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: block;
  width: 0;
  height: 0;
  margin-left: auto;
  margin-right: auto;
  border-style: solid;
  border-width: 7px 5.5px 0 5.5px;
  border-color: #77b900 transparent transparent transparent;
}

.c-inpageNav__item.item_line2 a {
  padding-top: 0;
  padding-bottom: 0;
}

@media (max-width: 640px) {
  .c-inpageNav {
    flex-wrap: wrap;
    margin-left: -20px;
    margin-right: -20px;
  }
  .c-inpageNav__item {
    width: 50%;
    flex-grow: 0;
  }
  .c-inpageNav__item a {
    padding: 10px 10px 16px 10px;
    font-size: inherit;
  }
  .c-inpageNav__item:nth-child(even) a {
    border-right: none;
  }
  .c-inpageNav__item:nth-child(n+3) {
    margin-top: 16px;
  }
}

section.gpu-cluster.contents h3 {
  margin-bottom: 16px;
  font-size: 18px;
}
section.gpu-cluster.contents p {
  margin-bottom: 16px;
}
section.gpu-cluster.contents figure {
  margin-bottom: 16px;
  text-align: center;
}
section.gpu-cluster.contents figure figcaption {
  margin-top: 5px;
}

@media (min-width: 641px) {
  section.gpu-cluster.contents h3 {
    margin-top: 30px;
    font-size: 22px;
  }
  section.gpu-cluster.contents .box_flex {
    display: flex;
    justify-content: space-between;
    gap: 50px;
  }
  section.gpu-cluster.contents .box_flex div {
    width: calc(65% - 50px);
  }
  section.gpu-cluster.contents .box_flex figure {
    width: 35%;
  }
  section.gpu-cluster.contents .box_flex.flex_img_l div {
    width: 50%;
  }
  section.gpu-cluster.contents .box_flex.flex_img_l figure {
    width: calc(50% - 50px);
  }
}

.red {
  color: #c43623;
}

.button_black {
  margin-top: 50px;
  text-align: center;
}
@media screen and (max-width: 640px) {
  .button_black {
    margin-top: 25px;
  }
}
.button_black span {
  background: #000;
  font-size: 20px;
  display: inline-block;
  max-width: 640px;
  position: relative;
  width: 100%;
}
@media screen and (max-width: 640px) {
  .button_black span {
    font-size: 16px;
  }
}
.button_black span::after {
  border: 0;
  border-right: 3px solid #0dafd7;
  border-top: 3px solid #0dafd7;
  content: "";
  height: 10px;
  margin-top: -4px;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: rotate(45deg);
  width: 10px;
}
@media screen and (max-width: 640px) {
  .button_black span::after {
    height: 8px;
    margin-top: -4px;
    width: 8px;
  }
}
.button_black span a {
  color: #fff;
  display: block;
  padding: 25px 0;
}
@media screen and (max-width: 640px) {
  .button_black span a {
    padding: 15px 0;
  }
}
.button_black span:hover {
  opacity: 0.8;
}

/* 概要 */
#overview {
  margin-top: 50px;
}
@media (min-width: 641px) {
  #overview {
    margin-top: 100px;
  }
}

/* 冷却方式 */
#cooling {
  margin-top: 50px;
}
@media (min-width: 641px) {
  #cooling {
    margin-top: 100px;
  }
}
.cooling_table {
  border: 1px #67777B solid;
}
.cooling_table table {
  color: #67777B;
}
.cooling_table table thead th {
  padding: 24px 16px;
  width: 16%;
  font-size: 22px;
  background: #EBECF0;
}
.cooling_table table thead th:nth-child(2) {
  width: 42%;
  background: #E1E3F2;
  border-left: 4px #EBECF0 solid;
}
.cooling_table table thead th:nth-child(3) {
  width: 42%;
  background: #C5E7F6;
  border-left: 4px #EBECF0 solid;
}
.cooling_table table tbody th {
  padding: 16px;
  font-size: 18px;
  font-weight: normal;
  vertical-align: middle;
  border-bottom: 1px #67777B solid;
}
.cooling_table table tbody td {
  padding: 16px;
  vertical-align: middle;
  border-bottom: 1px #67777B solid;
  border-left: 4px #EBECF0 solid;
}
.cooling_table table tbody td strong {
  display: inline-block;
  margin-bottom: 5px;
  color: #484B50;
}
@media (max-width: 640px) {
  .cooling_table {
    overflow-x: scroll;
  }
  .cooling_table table {
    width: 800px;
  }
}

/* 対応サーバー */
#server {
  margin-top: 50px;
}
@media (min-width: 641px) {
  #server {
    margin-top: 100px;
  }
}
.box_sol_list {
  margin-top: 48px;
}
.server_lead {
  font-weight: bold;
  text-align: center;
}
@media (min-width: 641px) {
  .server_lead {
    font-size: 20px;
  }
}

/* 関連コラム */
#related_columns {
  margin-top: 50px;
}
@media (min-width: 641px) {
  #related_columns {
    margin-top: 100px;
  }
}
.trend {
margin-top: 30px;
}
@media screen and (max-width:640px){
.trend {
margin-top: 20px;
}
}

.trend .block-cont{
	display: flex;
	justify-content:flex-start;
	flex-wrap: wrap;
    gap: 30px;
}
	@media screen and (max-width:640px){
		.trend .block-cont{
			display: block;
			width: auto;
		}
	}
.block-cont a .info h3{
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0 auto 5px;
  font-size: 14px;
}
.trend .block-cont a{
  background: #000;
  color: #fff;
	display: block;
	transition: .3s;
	width: 360px;
}
	@media screen and (max-width:640px){
		.trend .block-cont a{
			width: 100%;
			margin-top: 30px;
		}
	}
.trend a > .img{ border-bottom: 2px #b4e362 solid;}
.trend a .img img{display: block;}

.trend .block-cont a:hover{
	opacity: 0.7;
	transition: .3s;
}
.trend .block-cont a .img{
	position: relative;
    text-align: center;
}
.trend .block-cont a .img img{
    margin: auto;
}
.trend .block-cont a .img .label{
	position: absolute;
}
	@media screen and (max-width:640px){
		.trend .block-cont a .img img{
			max-width: 100%;
		}
	}

.trend .block-cont a .info{
	color: #fff;
	padding: 25px 15px 20px;
	font-size: 14px;
}
	@media screen and (max-width:640px){
		.trend .block-cont a .info{
			padding: 15px 10px 10px;
		}
	}
.trend .block-cont a .info .date{
	margin-bottom: 20px;
}
	@media screen and (max-width:640px){
		.trend .block-cont a .info .date{
			margin-bottom: 10px;
		}
	}
.trend .block-cont a .info .writer {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}
.block-cont a .info .writer .img img {
  width: 70%;
}
.block-cont a .info .writer p {
  margin-bottom: 0;
}