body {
	overflow-x: hidden;
}

.source-black {
	font-family: 'Source Sans Pro', sans-serif;
	font-weight: 900;
}

.top h2 {
	font-size: 24px;
	line-height: 50px;
}

.top h2:before {
	bottom: -10px;
}

.owl-stage-outer, .owl-stage, .owl-item {
	height: 100%;
}


.mv-video {
  width: 100%;
  height: 42vw;
  position: relative;
  overflow: hidden;
}
.mv-video video {
  position: absolute;
  width: auto;
  height: auto;
  top: 50%;
  left: 50%;
  min-height: 100%;
  min-width: 100%;
  -ms-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}
@supports ( object-fit: cover ) {
  .mv-video video {
    position: static;
    height: 100%;
    width: 100%;
    left: 0;
    -o-object-fit: cover;
    object-fit: cover;
    top: 0;
    -ms-transform: none;
    -moz-transform: none;
    -webkit-transform: none;
    transform: none;
  }
}

.mv-video-btn {
  position: absolute;
  width: 300px;
  height: 50px;
  background: rgba(255,255,255,0.5);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 45px;
  right: 40px;
  bottom: 40px;
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 1px;
  cursor: pointer;
}
.overlay {
	display: none;
	position: fixed;
	top: -10px;
	left: 0;
	right: 0;
	bottom: 0;
	bottom: -10px;
	background-color: rgba(0, 0, 0, 0.6);
	overflow: hidden;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
  z-index: 9999;
}
.modal-content {
	display: flex;
	width: 100%;
	height: 100%;
  justify-content: center;
  align-items: center;
  background-color: transparent;
  position: relative;
}
.modal-content-inner, .modal-content-inner video {
  width: 1080px;
  height: 608px;
  position: relative;
}
.modal-close-btn {
  display: flex;
  width: 60px;
  height: 60px;
  justify-content: center;
  align-items: center;
  font-size: 36px;
  color: #fff;
  position: absolute;
  top: -60px;
  right: 0;
  cursor: pointer;
}
@media screen and (max-width: 767px) {
  .mv-video {
    height: 59vw;
    position: relative;
    background: url("/top/img/mv_bg_sp.png") no-repeat center bottom / auto 100%;
  }
  .mv-video video {
    display: none;
  }
  .mv-video-btn {
    background: none;
    color: #fff;
    right: 0;
    left: 0;
    top: 0;
    bottom: 0;
    letter-spacing: 0;
    display: inline-block;
    position: absolute;
    width: 1.5em;
    height: 1.5em;
    border: 0.06em solid #fff;
    border-radius: 50%;
    font-size: 17vw;
    margin: auto;
  }
  .mv-video-btn::before {
    position: absolute;
    top: 50%;
    left: 36%;
    transform: translateY(-50%);
    width: 0px;
    height: 0px;
    border: 0.3em solid transparent;
    border-left: 0.5em solid currentColor;
    box-sizing: border-box;
    content: "";
  }
  .modal-content-inner, .modal-content-inner video {
    width: 100vw;
    height: 56vw;
  }
  .modal-close-btn {
    display: flex;
    width: 10vw;
    height: 10vw;
    justify-content: center;
    align-items: center;
    font-size: 10vw;
    color: #fff;
    position: absolute;
    top: -10vw;
    right: 0;
    cursor: pointer;
  }
}
.pc-only { display: flex; }
.sp-only { display: none; }
@media screen and (max-width: 767px) {
  .pc-only { display: none; }
  .sp-only { display: block; }
}


.scalability {
	padding: 105px 0 115px;
	background-image: url("../img/top/top_scalability_bg.jpeg");
	background-position: bottom center;
	background-attachment: fixed;
}

.scalability h2 span {
	font-size: 24px;
}

.scalability h2:before {
	background-color: #fff;
}

.scalability h2 + p {
  
	color: #ccffff;
}

.scalability-contents {
	position: relative;
	border-width: 2px;
}

.scalability-contents p {
	font-size: 16px;
	font-weight: bold;
}

@media screen and (max-width: 767px) {
	.scalability-contents.en_scalability p {
		font-size: 12px;
	}
}

.scalability-contents span.source-black {
	display: block;
	width: 100%;
	font-size: 80px;
	line-height: 1;
}

.scalability-contents:before {
	content: "";
	display: block;
	position: absolute;
	top: 50%;
	left: 0;
	width: 1px;
	height: 80px;
	background-color: #fff;
	transform: translateY(-50%);
}

.scalability-contents:nth-of-type(odd):not(:first-child):after {
	content: "";
	display: block;
	position: absolute;
	top: 50%;
	right: 0;
	width: 1px;
	height: 80px;
	background-color: #fff;
	transform: translateY(-50%);
}

p.scalability-note {
	position: relative;
	top: 110px;
	left: 10px;
	color: #fff;
	font-size: 11px;
}

.products p.scalability-note,
.products-scalability-block p.scalability-note {
	top: 0;
	left: 0;
	color: #000;
}

@media screen and (max-width: 767px) {
	p.scalability-note {
		top: 70px;
	}
	.products p.scalability-note,
	.products-scalability-block p.scalability-note {
		left: 10px;
		top: 20px;
	}
}

.scalability-icon {
	width: 16px;
}

.business {
	padding: 100px 0 180px;
	background: linear-gradient(90deg, #e6f7ff 0%, #e6f7ff calc(50% - 130px), #f2fcff calc(50% - 130px), #f2fcff 100%);
}

.business .owl-stage .active {
	transform: scale(1.01, 1.01);
}

.business .section-title {
	margin-bottom: 20px;
	color: #ccffff;
	border-color: #ccffff;
}

.section-title > h2 {
	font-size: 18px;
	line-height: 24px;
	padding-bottom: 1rem!important;
	margin-bottom: 0;
	font-family: 'Source Sans Pro', sans-serif;
	font-weight: 900;
}

.business-contents {
	width: 94.5%;
	position: relative;
	z-index: 1;
	margin-top: 120px;
}

.business-contents:after {
	z-index: -1;
	content: "";
	display: block;
	position: absolute;
	width: 100%;
	height: 100%;
	top: 40px;
	background-color: #0081cc;
}

.business-contents > div {
	align-items: end;
}

.business-contents-inner {
	padding: 50px 60px;
}

.business-contents .btn {
	width: 100%;
	min-height: 60px;
	height: 100%;
	white-space: unset;
	word-break: break-word;
}

.business-tire {
	margin-top: 50px;
}

.business-tire-inner {
	width: 376px;
	margin-right: 80px;
}

.business-tire-slide {
	overflow: hidden;
	height: 460px;
}

.business-tire-slide-img {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
}

.business-sports-slide {
	overflow: hidden;
	height: 460px;
	width: 60vw;
}

.business-industrial-slide {
	overflow: hidden;
	height: 767px;
}

.business-industrial-slide-img {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
}

.business-industrial-slide .owl-item {
	height: 767px;
	overflow: hidden;
}

.business-industrial ul a:before {
	color: #fff;
}

.business-industrial ul {
	color: #fff;
}

.business .owl-nav {
	z-index: 100000;
	position: absolute;
	bottom: 15px;
	right: 25px;
	margin: 0 !important;
}

.business .owl-prev, .business .owl-next {
	width: 40px;
	height: 40px;
	border-radius: 0 !important;
	font-size: 25px !important;
	color: #fff !important;
	background: #0080ca !important;
}

.business .owl-prev:focus, .business .owl-next:focus {
	outline: 0 !important;
}

/*.about {
	padding: 105px 0;
	background-image: url("../img/top/top_about_bg_pc.png");
	background-position: bottom center;
}

.about h2:before {
	background-color: #fff;
}

.about h2 + p {
	color: #ccffff;
}

.about .card {
	position: relative;
}

.about .card-icon {
	position: absolute;
	bottom: 70px;
	left: 50%;
	width: 60px;
	height: 60px;
	background-color: #003366;
	border-radius: 30px;
	border: 4px solid #fff;
	font-size: 30px;
	color: #fff;
	transform: translateX(-50%);
	transition: .3s;
}

.about .card:hover .card-icon {
	background-color: #fff;
	color: #003366;
}*/

.rubber {
	background-image: url("../img/top/top_rubber_bg_pc.png");
	background-position: bottom center;
}

.top-news {
	padding: 95px 0 20px;
}

.top-news div.element-tabui {
	font-size: 16px;
	border-color: #b2b2b2;
}

.top-news div.element-tabui .tab-menu {
	padding: 0 40px;
}

.top-news div.element-tabui .tab-menu p {
	font-size: 16px;
}

.top-news p.element-tabui-menu-link {
	color: #000;
	font-weight: bold;
	position: relative;
	padding-bottom: .4rem;
}

.top-news p.element-tabui-menu-link:hover {
	cursor: pointer;
}

.top-news p.element-tabui-menu-selected {
	color: #0081CC;
}

.top-news p.element-tabui-menu-selected:after {
	position: absolute;
	content: "";
	display: block;
	border-bottom: solid 3px #0081CC;
	bottom: -8px;
	width: 100%;
	left: 0;
	right: 0;
	margin: auto;
	z-index: 1;
}
/*----------追加_イノベーションアイテムを5つに*/
@media (min-width: 768px){
	.col-top-items-5 {
		-ms-flex: 0 0 20%;
		flex: 0 0 20%;
		max-width: 20%;
	}
}

.top-news-tab .tab_inner.show {
	display: block;
}

.top-news-tab .tab_inner.hide {
	display: none;
}

.top-news-tab .tab_inner .news-releases,
.top-news-tab .tab_inner-notice .news-releases {
	border-color: #b2b2b2;
}

.top-news-tab dt {
	padding: 18px 0 16px;
	width: 12rem;
}

.top-news-tab dt span {
	margin-left: 1rem;
	padding: 0 10px;
	min-width: 3rem;
}

.top-news-tab dd {
	padding: 18px 0 15px;
	width: calc(100% - 12rem);
}

.top-notices{padding: 0 0 20px;}

#pageTop {
	z-index: 2;
}

@media screen and (max-width: 767px) {
	.top h2 {
		line-height: 30px;
		font-size: 20px;
	}
	.top h2:before {
		bottom: -5px;
		width: 20px !important;
		height: 1px !important;
	}
	.scalability {
		padding: 75px 0;
	}
	.scalability h2 span {
		font-size: 16px;
	}
	.scalability h2 + p {
		font-size: 12px;
	}
	.scalability-contents span.source-black {
		font-size: 55px;
	}
	.scalability-contents:before {
		display: none;
	}
	.scalability-contents:nth-of-type(odd):not(:first-child):after {
		display: none;
	}
	.business {
		padding: 70px 0 80px;
		background: linear-gradient(90deg, #e6f7ff 0%, #e6f7ff calc(50% - 70px), #f2fcff calc(50% - 70px), #f2fcff 100%);
	}
	.business h2 + p {
		font-size: 12px;
	}
	.business-contents {
		margin-top: 40px;
	}
	.business-contents:after {
		top: 0;
		height: 100%;
	}
	.business-contents h3 {
		font-size: 18px;
	}
	.business-contents > div {
		align-items: center;
	}
	.business-contents-inner {
		padding: 0 20px;
	}
	.business-contents .btn {
		margin-bottom: 30px;
	}
	.business .owl-stage, .business .owl-carousel {
		overflow: visible;
	}
	.business-tire {
		margin-top: 30px;
	}
	.business-tire-slide {
		overflow: unset;
		height: 180px;
		margin-bottom: 30px;
		padding: 0;
	}
	.business-tire-slide .owl-stage-outer {
		position: absolute;
		left: -6%;
		height: 180px;
	}
	.business-tire-slide .owl-item {
		height: 180px;
	}
	.business-sports-slide {
		overflow: unset;
		height: 180px;
		margin-bottom: 30px;
		padding: 0;
	}
	.business-sports-slide .owl-stage-outer {
		position: absolute;
		right: -6%;
		height: 180px;
	}
	.business-sports-slide .owl-item {
		height: 180px;
	}
	.business-sports-slide .owl-nav {
		right: -5% !important;
	}
	.business-industrial {
		padding-bottom: 20px;
	}
	.business-industrial:after {
		height: 100%;
	}
	.business-industrial-slide {
		overflow: unset;
		height: 341px;
		margin-top: 30px;
		padding: 0;
	}
	.business-industrial-slide .owl-stage-outer {
		left: -6%;
	}
	.business-industrial-slide .owl-item {
		height: 341px;
	}
	.business .owl-nav {
		right: 7%;
		bottom: 5px;
	}
	.about {
		padding: 75px 0 80px;
	}
	.about h2 + p {
		font-size: 12px;
	}
	.about .card-icon {
		bottom: 50px;
	}
	.rubber h2 + p {
		font-size: 12px;
	}
	/*追記*/
.innovation-items + .card {
	background-color: #fff;
}
	.top-news {
		margin-bottom: 80px;
		padding: 80px 0 0;
	}
	.top-news div.element-tabui a {
		font-size: 14px;
	}
	.top-news div.element-tabui .tab-menu {
		padding: 0;
	}
	.top-news div.element-tabui .tab-menu p {
		font-size: 14px;
	}
	.top-news div.element-tabui-div {
		width: 100%;
	}
	.top-news h2 + p {
		font-size: 12px;
	}
	.top-news-tab dt {
		padding: 15px 0 0;
		width: 12rem;
	}
	.top-news-tab dt span {
		margin-left: 1rem;
		padding: 3px 10px;
		min-width: 3rem;
	}
	.top-news-tab dd {
		padding: 0 0 10px;
		width: 100%;
	}
.top-notices{margin-bottom: 80px;padding: 0;}
}

/*お知らせ欄追加*/
.notice-wrap {background: #f0f0f0;display: flex;align-items: center;justify-content: center;flex-wrap: wrap;padding: 1.2rem 4rem;}
.notice-wrap ul {list-style: none;margin: 0;padding: 0;}
.notice-wrap ul li + li{margin-top: .2rem;}
.notice-wrap p{color: #0081cc;text-align: left;font-weight: bold;display: block; text-indent: -0.75rem;padding-left: 1.8rem;line-height: 1.6;}
.notice-wrap p a{color: #0081cc;}.notice-wrap p a:hover{text-decoration: underline;}
.notice-wrap i {color: #0081cc !important;;margin-right: .5rem;}
@media screen and (max-width: 767px) {.notice-wrap{padding: 1.2rem 0.5rem;}}

.notice-wrap p.other,
.notice-wrap p.other i,
.notice-wrap p.other a{color: #808080 !important;}
.notice-wrap p.other i::before{content:"\f111" !important;}

/*バナー掲載202012*/
/*.bnr-list{display: flex;justify-content: center;width: 60%;min-width: 600px; margin: 0 auto;text-align: center;}*/
.bnr-list{display: flex;justify-content: center;width: 30%;min-width: 300px; margin: 0 auto;text-align: center;}
.bnr-list div{flex: 1;}
.bnr-list div + div{margin:0 0 0 2rem;}
a.bnr-link{display: block;box-sizing: border-box;border: 2px solid rgba(0, 129, 204, 0);min-width: 280px;}
a.bnr-link:hover{border: 2px solid rgba(0, 129, 204, 1);}
@media screen and (max-width: 767px) {
.bnr-list{flex-wrap: wrap;width: 100%;min-width: 100%;}
.bnr-list div{flex: inherit;}
a.bnr-link{min-width:100%;}
.bnr-list div + div{margin:2rem 0 0 0;}
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
    _::-webkit-full-page-media, _:future, :root .scalability {
        background-attachment: scroll;
    }
}


/* slide */
.hero-wrap {
  position: relative;
  min-height: 200px;
}
.hero {
  position: relative;
}
.hero img {
  max-width: initial;
  width: 100%;
  height: auto;
}
.hero-itm:nth-child(n + 1) {
  display: none;
}
.hero-itm-img {
  line-height: 1 !important;
  margin: 0;
  padding: 0;
}
.hero button, .hero-toggle-button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  appearance: none;
  overflow: hidden;
  color: transparent;
}
.hero .slick-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  width: 30px;
  height: 46px;
  z-index: 2;
}
.hero .slick-prev {
  left: 30px;
  background: url("/img/icon-arrow-prev.svg") no-repeat center center / 100% auto;
}
.hero .slick-next {
  right: 30px;
  background: url("/img/icon-arrow-next.svg") no-repeat center center / 100% auto;
}
.hero .slick-dots {
  position: absolute;
  bottom: 3px;
  height: 15px;
  border-radius: 15px;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 40px 0 6px;
  gap: 4px;
  list-style: none;
  width: 368px;
  left: 0;
  right: 0;
  margin: auto;
}
.hero .slick-dots li {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero .slick-dots button {
  overflow: hidden;
  color: transparent;
  width: 60px;
  height: 4px;
  border-radius: 2px;
  background: #fff;
}
.hero .slick-dots .slick-active button {
  background: #0081cc;
}
.hero-toggle-button {
  width: 28px;
  height: 17px;
  position: absolute;
  bottom: 2px;
  left: 50%;
  margin-left: 148px;
  background: url("/img/icon-play.svg") no-repeat center center / 8px auto;
}
.hero-toggle-button.is-play {
  background: url("/img/icon-pause.svg") no-repeat center center / 8px auto;
}
@media screen and (max-width: 767px) {
  .hero .slick-arrow {
    width: 11.33333333vw;
    height: 13.33333333vw;
  }
  .hero .slick-prev {
    left: 0;
    background: url("/img/icon-arrow-prev-sp.svg") no-repeat center center / 5.466666667vw auto;
  }
  .hero .slick-next {
    right: 0;
    background: url("/img/icon-arrow-next-sp.svg") no-repeat center center / 5.466666667vw auto;
  }
  .hero .slick-dots {
    position: absolute;
    bottom: 1.5vw;
    height: 2.933vw;
    border-radius: 3vw;
    padding: 0 6.533333333vw 0 1vw;
    gap: 1.333333333vw;
    width: 53.6vw;
  }
  .hero .slick-dots button {
    width: 8vw;
    height: 0.533333333vw;
    border-radius: 0.3vw;
  }
  .hero-toggle-button {
    width: 4.4vw;
    height: 3.333333333vw;
    bottom: 1.3vw;
    margin-left: 21.067vw;
    background: url("/img/icon-play.svg") no-repeat center center / 1.2vw auto;
  }
  .hero-toggle-button.is-play {
    background: url("/img/icon-pause.svg") no-repeat center center / 1.2vw auto;
  }
}

/* What's new */
.topics-list-wrap {
  padding: 0 !important;
}
.topics {
  padding: 50px 0;
  background: url("/img/top/topics_bg.jpg") no-repeat center center / cover;
}
.topics-list {
  display: flex;
  gap: 29px 2.916666666666667%;
  max-width: 1200px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0 auto;
  padding: 0;
}
.topics-list-itm {
  max-width: 273px;
  width: 22.75%;
  position: relative;
}
.topics-list-itm.pinned::after {
  content: "";
  display: block;
  width: 26px;
  height: 28px;
  background: url("/img/icon_pin.png") no-repeat center center / 100% auto;
  position: absolute;
  top: -6px;
  right: -4px;
}
.topics-list-itm-link {
  display: flex;
  height: 100%;
  background: #fff;
  flex-direction: column;
  justify-content: flex-start;
}
.topics-list-itm-img {
  margin-bottom: 0;
  background: #fff;
}
.topics-list-itm-img img {
  width: 100%;
  height: 153px;
  object-fit: contain;
}
.topics-list-itm-hdg {
  font-size: 14px;
  color: #000;
  font-weight: normal;
  line-height: 2;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.topics-list-itm-inner {
  padding: 17px 20px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.topics-list-itm-data {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topics-list-itm-data-date {
  font-size: 12px;
  color: #666;
}
.topics-list-itm-data-category {
  background: #929292;
  padding: 7px 10px;
  line-height: 1;
  color: #fff;
  font-size: 11px;
  max-width: 47%;
}
.topics-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 1.4rem;
}
@media screen and (max-width: 767px) {
  .topics {
    padding: 13.33333333vw 0;
  }
  .topics-list {
    display: flex;
    gap: 5vw;
    width: 89vw;
  }
  .topics-list-itm {
    width: 42vw;
    max-width: 42vw;
  }
  .topics-list-itm.pinned::after {
    width: 4.133333333vw;
    height: 4.666666667vw;
    top: -2.266666667vw;
    right: -1.6vw;
  }
  .topics-list-itm-img img {
    height: 23.539vw;
    object-fit: contain;
  }
  .topics-list-itm-hdg {
    font-size: 3.3vw;
    line-height: 1.5;
  }
  .topics-list-itm-inner {
    padding: 4.266666667vw;
  }
  .topics-list-itm-data {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 3.466666667vw;
    gap: 3.866666667vw;
  }
  .topics-list-itm-data-date {
    font-size: 3.2vw;
  }
  .topics-list-itm-data-category {
    padding: 1.2vw 1.466666667vw;
    font-size: 2.666666667vw;
    max-width: 100%;
  }
  .topics-buttons {
    flex-direction: column;
    gap: 5.333333333vw;
    margin-top: 5.333333333vw;
  }
}

/* 事業紹介 */
.introduction {
  padding: 50px 0;
}
.introduction-list {
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.introduction-list-itm {
  width: 31.333333333333333%;
}
.introduction-list-itm-link {
  display: block;
  width: 100%;
  height: 100%;
  transition: 0.3s;
}
.introduction-list-itm-link:hover .introduction-list-itm-img::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #0081cc;
  opacity: 0.4;
  position: absolute;
  top:0;
  left: 0;
  animation-name: fadein;
  animation-duration: 0.3s;
}
.introduction-list-itm-link:hover .introduction-list-itm-img::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top:0;
  left: 0;
  animation-name: fadein;
  animation-duration: 0.3s;
  border: solid 2px #0080ca;
}
.introduction-list-itm-img {
  margin-bottom: 0;
  position: relative;
  transition: 0.3s;
}
.introduction-list-itm-img img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}
.introduction-list-itm-hdg {
  display: flex;
  justify-content: space-between;
  flex-direction: row-reverse;
  align-items: center;
  border-bottom: solid 1px #0080ca;
  padding: 30px 0 22px;
}
.introduction-list-itm-link:hover .introduction-list-itm-hdg-main {
  color: #0080ca;
}
.introduction-list-itm-hdg-main {
  color: #4d4d4d;
  font-size: 14px;
  white-space: nowrap;
}
.introduction-list-itm-hdg-sub {
  color: #0080ca;
  font-size: 22px;
  letter-spacing: -0.05em;
}
.introduction-list-itm-txt {
  color: #000;
  font-size: 14px;
  line-height: 2;
}
.introduction-list-itm-txt-sub {
  color: #000;
  font-size: 12px;
  margin-top: 1rem;
}
@media screen and (max-width: 767px) {
  .introduction {
    padding: 13.33333333vw 0;
  }
  .introduction-list {
    max-width: 89.33333333vw;
    width: 89.33333333vw;
    flex-direction: column;
    gap: 9.333333333vw;
  }
  .introduction-list-itm {
    width: 100%;
  }
  .introduction-list-itm-link:hover .introduction-list-itm-img::before {
    content: none;
  }
  .introduction-list-itm-link:hover .introduction-list-itm-img::after {
    content: none;
  }
  .introduction-list-itm-img img {
    width: 100%;
    height: 59.33333333vw;
  }
  .introduction-list-itm-hdg {
    padding: 5.066666667vw 0 5.6vw;
  }
  .introduction-list-itm-hdg-main {
    font-size: 3.733333333vw;
  }
  .introduction-list-itm-hdg-sub {
    font-size: 5.866666667vw;
    letter-spacing: -0.04em;
  }
  .introduction-list-itm-txt {
    font-size: 3.733333333vw;
  }
  .introduction-list-itm-txt-sub {
    font-size: 3.2vw;
    margin-top: 0;
  }
}

/* 住友ゴムについて */
.about {
  padding: 50px 0 70px;
  background: url("/img/top/about_bg.jpg") no-repeat center center / cover;
}
.about-list {
  max-width: 1200px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  padding: 0;
}
.about-list-itm {
  width: 18.416666666666667%;
}
.about-list-itm-link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}
.about-list-itm-img {
  margin: 0;
}
.about-list-itm-img img {
  width: 100%;
  height: auto;
}
.about-list-itm-hdg {
  position: absolute;
  bottom: -20px;
  left:0;
  right: 0;
  margin: auto;
  max-width: 160px;
  height: 40px;
  background: #fff;
  border-radius: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #000;
  font-size: 14px;
  transition: 0.3s;
}
.about-list-itm-link:hover .about-list-itm-hdg {
  color: #0081cc;
}
.about-list-itm-link:hover .about-list-itm-img::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #0081cc;
  opacity: 0.4;
  position: absolute;
  top:0;
  left: 0;
  animation-name: fadein;
  animation-duration: 0.3s;
}
.about-list-itm-link:hover .about-list-itm-img::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top:0;
  left: 0;
  animation-name: fadein;
  animation-duration: 0.3s;
  border: solid 2px #0080ca;
}
@media screen and (max-width: 767px) {
  .about {
    padding: 13.33333333vw 0 17.86666667vw;
  }
  .about-list {
    max-width: 89.33333333vw;
    width: 89.33333333vw;
    flex-wrap: wrap;
    gap: 9.466666667vw 0;
  }
  .about-list-itm {
    width: 42vw;
  }
  .about-list-itm-hdg {
    bottom: -4vw;
    max-width: 36vw;
    width: 36vw;
    height: 8vw;
    border-radius: 4vw;
    font-size: 3.733333333vw;
  }
  .about-list-itm-link:hover .about-list-itm-img::before {
    content: none;
  }
  .about-list-itm-link:hover .about-list-itm-img::after {
    content: none;
  }
  .about-list-itm-link:hover .about-list-itm-hdg {
    color: #000;
  }
}

/* バナーリスト */
.banner-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px 0;
  max-width: 1200px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.banner-list-itm {
  width: 22.5%;
}
.banner-list-itm-link {
  display: block;
  width: 100%;
  height: auto;
}
.banner-list-itm img {
  width: 100%;
  height: auto;
  border: solid 1px #ddd;
}
@media screen and (max-width: 767px) {
  .banner-list {
    gap: 4.533333333vw 0;
    max-width: 89.33333333vw;
    width: 89.33333333vw;
  }
  .banner-list-itm {
    width: 42.13333333vw;
  }
  div.element-tabui-div {
    width: 100% !important;
  }
}

/* 緊急お知らせ */
.emerg-notice-wrap {
  padding: 0 1em;
}
.emerg-notice {
  max-width: 1200px;
  border: solid 2px #212529;
  padding: 12px;
  text-align: center;
  margin: 1em auto;
}
@media screen and (max-width: 767px) {
  .emerg-notice {
    max-width: 96vw;
    padding: 3vw;
    text-align: left;
  }
}
/* .緊急お知らせ */



@keyframes fadein{
    from{
    opacity: 0;
    }
    to{
    opacity: 0.4;
    }
}