/************************************
** トップページ
************************************/

/*** 背景***/


.bg_top_news {
position: relative;
  z-index: 2;
	padding: 0 0;
	margin-bottom: 0;
  background-color: #FFF;
margin-right: calc(50% - 50vw);
	margin-left: calc(50% - 50vw);
	padding-right: calc(50vw - 50%);
	padding-left: calc(50vw - 50%);
}
.bg_top_news .content {
position: relative;
  z-index: 2;
}
.bg_top_news::before {
  position: absolute;
  content: '';
  left: 50%;
  width: 100%;
  height: 110px;
  border-radius: 50%;
  background: inherit;
  transform: translateX(-50%) translateY(50%);
  bottom: 0px;
  z-index: 1;
}

@media screen and (max-width: 640px){
.bg_top_news {
	padding-bottom: 0;
	margin-bottom: 0;
}
.bg_top_news .content {
position: relative;
  z-index: 2;
}
.bg_top_news .content-in {
padding: 0 8px;
}
.bg_top_news::before {
  width: 100%;
  height: 40px;
  bottom: 0;
  background: #FFF;
}
}

.bg_top_jigyou {
position: relative;
	padding-top: 138px;
	padding-bottom: 40px;
	margin-bottom: 80px;
  background-color: #F5F5F5;
margin-right: calc(50% - 50vw);
	margin-left: calc(50% - 50vw);
	padding-right: calc(50vw - 50%);
	padding-left: calc(50vw - 50%);
}
.bg_top_jigyou::before {
  position: absolute;
  content: '';
  left: 50%;
  width: 100%;
  height: 162px;
  border-radius: 50%;
  background: inherit;
  transform: translateX(-50%) translateY(50%);
  bottom: 0;
  z-index: -1;
}
@media screen and (max-width: 640px){
.bg_top_jigyou {
position: relative;
	padding: 40px 0;
	padding-top: 60px;
	padding-bottom: 20px;
	margin-bottom: 40px;
}
.bg_top_jigyou::before {
  width: 100%;
  height: 40px;
}
}

.bg_top_gaiyou {
position: relative;
  z-index: 2;
	padding: 80px 0;
	padding-bottom: 0px;
	margin-bottom: 0;
  background-color: #FFF;
margin-right: calc(50% - 50vw);
	margin-left: calc(50% - 50vw);
	padding-right: calc(50vw - 50%);
	padding-left: calc(50vw - 50%);
}
.bg_top_gaiyou .content {
position: relative;
  z-index: 2;
}
.bg_top_gaiyou::before {
  position: absolute;
  content: '';
  left: 50%;
  width: 100%;
  height: 160px;
  border-radius: 50%;
  background: inherit;
  transform: translateX(-50%) translateY(50%);
  bottom: 0px;
  z-index: 1;
}

@media screen and (max-width: 640px){
.bg_top_gaiyou {
	padding: 40px 8px;
	padding-top: 20px;
	padding-bottom: 20px;
}
.bg_top_gaiyou::before {
  height: 40px;
  bottom: 0px;
}
}

.bg_top_saiyou {
position: relative;
	padding: 80px 0;
	padding-top: 160px;
	margin-bottom: 0;
  background-color: #F2F9FD;
margin-right: calc(50% - 50vw);
	margin-left: calc(50% - 50vw);
	padding-right: calc(50vw - 50%);
	padding-left: calc(50vw - 50%);
}

@media screen and (max-width: 640px){
.bg_top_saiyou {
position: relative;
	padding: 40px 8px;
	padding-top: 60px;
}
}


.naturalfullerene_logo {
display: block;
margin-top: 32px;
max-width: 120px;
}
@media screen and (max-width: 640px){
.naturalfullerene_logo {
display: block;
margin-top: 24px;
max-width: 120px;
}
}


/*** メイン 全面***/

#main_top {
	position: relative;
	display: block;
	margin: 0 auto;
	padding: 0;
	background-position: center;
	background-repeat: repeat-x;
	margin-bottom: 0;
	background: #CCC;
	width: 100%;
}
#main_top .imagecenter,
#main_top img {
width: 100% !important;
max-width: inherit;
min-width: 100%;
}
@media screen and (max-width: 834px){
#main_top {
margin-top: 50px;
	margin-bottom: 0;
}
}

@media screen and (max-width: 640px){
#main_top {
	margin-bottom: 0;
}
}

.kariimg {
width: 100%;
display: block;
margin: 0 auto;
}


.slick_top_bn {
position: relative;
display: block;
margin: 0 0;
padding: 0;
}


.slick_top_bn_box {
position: relative;
display: block;
margin: 0 0;
padding: 0;
overflow: hidden;
width: 100%;
max-width: 1080px;
max-height: 800px;
}
@media screen and (max-width: 1080px){
.slick_top_bn_box {
width: auto;
max-width: 1080px;
}
}


.slick_top_bn_box img {
display: block;
  margin: 0 auto;
width: 100%;
max-width: 100%;
	height: auto;
}
.slick_top_bn_box a img {
display: block;
}

@media screen and (max-width: 640px){
.slick_top_bn_box {
max-height: inherit;
}
}






/*** お知らせ***/



.tab-4 {
    display: flex;
    flex-wrap: wrap;
justify-content: center;
}

.tab-4 > label {
display: flex;
/*flex: 1 1; 等間隔*/
    order: -1;
    position: relative;
    width: 10em;
    padding: .7em 1em;
    background-color: #F5F5F5;
    color: #000;
	justify-content: center;
font-weight: 600;
    font-size: .9em;
    text-align: center;
    cursor: pointer;
}

@media screen and (max-width: 640px) {
.tab-4 > label {
    width: calc(100% / 4);
    padding: .7em 0.1em;
}
}

.tab-4 > label:hover,
.tab-4 label:has(:checked) {
    background-color: #08C;
    color: #fff;
}

.tab-4 label:has(:checked)::before {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 9px;
    background-color: #08C;
    content: '';
    clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.tab-4 input {
    display: none;
}

.tab-4 > div {
    display: none;
    width: 100%;
    padding: 1.5em 0;
	padding-bottom: 0;
}

.tab-4 label:has(:checked) + div {
    display: block;
}



ul.top_news {
	margin: 0;
	padding: 0;
	border-top: 1px dotted #CCC;
}
ul.top_news li {
	display: block;
	list-style: none;
	margin: 0;
	padding: 8px 8px;
	border-bottom: 1px dotted #CCC;
}
ul.top_news li p {
	clear: both;
	margin: 0;
	padding: 0;
}
ul.top_news li p span {
}
ul.top_news li p a {
	margin: 0;
	padding: 0;
	display: block;
	color: #000;
	text-decoration: none;
}


ul.top_news li p a:hover {
	text-decoration: underline;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
}

@media screen and (max-width: 640px){
ul.top_news {
	margin-bottom: 0;
}
}

table.table_top_news {
	table-layout: fixed;
	width: 100%;
	margin: 0;
	padding: 0;
	background: none;
	border: none;
}
table.table_top_news tr, table.table_top_news th, table.table_top_news td {
	margin: 0;
	padding: 0;
	border: none;
	background: none;
}
table.table_top_news th, table.table_top_news td {
	border-collapse: collapse;
	border: none;
	background: none;
	font-weight: normal;
	margin: 0;
	padding: 0;
}
table.table_top_news th {
	color: #555;
	width: 20%;
}

@media screen and (max-width: 640px){
table.table_top_news th {
	display: block;
	margin-bottom: 8px;
}
table.table_top_news td {
	display: block;
	margin-bottom: 0;
}
table.table_top_news th {
	width: auto;
}
table.table_top_news td {
	line-height: 130%;
}
}

.tag_news {
	display: inline-block;
	margin: 0 8px;
	font-size: 80%;
	width: 7.5em;
	padding: 4px 0;
	text-align: center;
	line-height: 100%;
	background-color: #F00;
	color: #FFF;
	text-decoration: none;
}




/*** 会社概要 ***/


.top_cpmpany_box {
	position: relative;
	display: inline-block;
	list-style: none;
	vertical-align: top;
	margin: 0;
	width: 100%;
	height: 0;
	padding: 0;
	padding-bottom: 100%;
	background-color: #CCC;
	overflow: hidden;
}
.top_cpmpany_box img {
	position: absolute;
	z-index: 1;
	top: 50%;
	left: 50%;
	transform: translateY(-50%) translateX(-50%);
	-webkit- transform: translateY(-50%) translateX(-50%);
	width: 100%;
}
.top_cpmpany_box h5 {
	position: absolute;
	z-index: 1;
	top: 50%;
	left: 50%;
	transform: translateY(-50%) translateX(-50%);
	-webkit- transform: translateY(-50%) translateX(-50%);
	text-align: center;
	margin: 0;
	color: #000;
	font-weight: bold;
}
.top_cpmpany_box a h5 {
	display: block;
	width: 75%;
	padding: 32% 0;
	background-color: rgba(255,255,255,0.7);
	color: #000;
}

.top_cpmpany_box a:hover h5 {
	width: 100%;
	padding: 50% 0;
	background-color: rgba(255,255,255,0.9);
	-webkit-transition: all 0.7s;
	-moz-transition: all 0.7s;
	transition: all 0.7s;
}