@charset "utf-8";


/* ---------------------------------------------------------
 * common
** --------------------------------------------------------- */




/* ---------------------------------------------------------
 * #fv
** --------------------------------------------------------- */
#fv {
  position: relative;
  max-width: 100%;
}
@-webkit-keyframes circle {
  from {
    stroke-dasharray: 0 377
  }
  to {
    stroke-dasharray: 377 377
  }
}
@keyframes circle {
  from {
    stroke-dasharray: 0 377
  }
  to {
    stroke-dasharray: 377 377
  }
}
#top_slider {
  --swiper-pagination-bottom: 30px;
  --swiper-pagination-bullet-width: 26px;
  --swiper-pagination-bullet-height: 26px;
  --swiper-pagination-bullet-horizontal-gap: 5px;
  --swiper-pagination-bullet-inactive-opacity: 1;
  position: relative;
}
#top_slider .swiper-slide img {
  width: 100%;
  max-width: 100%;
}
@media (max-width: 959px) {
  #top_slider .swiper-slide img {
    height: 460px;
    object-fit: cover;
    object-position: center;
  }
}
@media (min-width: 768px) {
  #top_slider .swiper-slide img.sp {
    display: none;
  }
}
@media (max-width: 767px) {
  #top_slider .swiper-slide img.pc {
    display: none;
  }
}
@media (max-width: 519px) {
}
.swiper-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
}
.swiper-pagination > span.swiper-pagination-bullet {
  background-color: transparent !important;
}
.swiper-pagination > span.swiper-pagination-bullet > span {
  display: block;
  width: 100%;
  height: 100%;
}
.swiper-pagination > span {
  position: relative;
}
.swiper-pagination > span::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 7px;
  height: 7px;
  background-color: #fff;
  border-radius: 20px;
}
.swiper-pagination > span svg {
  position: absolute;
  transform: rotate(-90deg);
  left: 0;
  top: 0;
  display: none;
  opacity: 1;
}
.swiper-pagination > span.swiper-pagination-bullet-active svg {
  display: block;
}
.swiper-pagination > span svg circle {
  fill: transparent;
  stroke-width: 1;
}
.swiper-pagination > span svg:nth-child(1) circle {
  stroke: rgba(255, 255, 255, .4);
}
.swiper-pagination > span.swiper-pagination-bullet-active svg:nth-child(2) circle {
  stroke: #fff;
  animation: circle 25s infinite linear;
}
@media (max-width: 959px) {
}
@media (max-width: 519px) {
}
#top_slider .over_text > div {
  position: absolute;
  z-index: 10;
  pointer-events: none;
}
#top_slider .over_text .deco_lt {
  top: 130px;
  left: 0;
}
#top_slider .over_text .deco_rb {
  right: 0;
  bottom: 0;
}
@media (max-width: 1499px) {
  #top_slider .over_text .deco_lt {
    width: calc(33000% / 1500);
  }
  #top_slider .over_text .deco_lt img {
    width: 100%;
  }
  #top_slider .over_text .deco_rb {
    width: calc(36200% / 1500);
  }
  #top_slider .over_text .deco_rb img {
    width: 100%;
  }
}
@media (max-width: 959px) {
  #top_slider .over_text .deco_lt {
    width: 211px;
  }
  #top_slider .over_text .deco_rb {
    width: 230px;
  }
}
@media (max-width: 619px) {
  #top_slider .over_text .deco_lt {
    top: calc(5rem + ((1vw - 3.2px) * 16.6667));
    width: calc(9.375rem + ((1vw - 3.2px) * 20.3333));
  }
  #top_slider .over_text .deco_rb {
    width: calc(10rem + ((1vw - 3.2px) * 23.3333))
  }
}




/* ---------------------------------------------------------
 * #topics
** --------------------------------------------------------- */
#topics {
  position: relative;
/*  margin-bottom: 140px;*/
  padding-top: 80px;
  padding-bottom: 100px;
  background-color: #f7f7f7;
}
#topics .content {
}
#topics .list_wrapper {
}
#topics .banners {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
#topics .banners a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: calc(58000% / 1200);
  margin-top: calc(4000% / 1200);
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  text-align: center;
  overflow: hidden;
}
#topics .banners a::before {
  content: "";
  display: block;
  padding-top: calc(15000% / 580);
}
#topics .banners a img {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-position: center;
  object-fit: cover;
  margin-top: auto;
  transform-origin: center;
  transition: all ease 0.3s;
}
#topics .banners a:hover img {
  transform: scale(1.05);
}
#topics .banners a span {
  position: relative;
  z-index: 3;
  display: inline-block;
}
#topics .deco_lb,
#topics .deco_rb {
  position: absolute;
  pointer-events: none;
}
#topics .deco_lb {
  left: 0;
  bottom: -140px;
}
#topics .deco_rb {
  right: 0;
  bottom: -60px;
}
@media (max-width: 959px) {
  #topics .banners a {
    font-size: 22px;
  }
  #topics .banners a::before {
    padding-top: calc(15000% / 380);
  }
}
@media (max-width: 699px) {
  #topics li {
    flex-wrap: wrap;
  }
}
@media (max-width: 519px) {
  #topics {
    padding-top: 40px;
    padding-bottom: 80px;
  }
  #topics ul {
    padding: 0 20px 20px;
  }
  #topics li::after {
    right: 0;
  }
  #topics li .date {
    width: 120px;
  }
  #topics .banners a {
    font-size: 18px;
  }
  #topics .banners a::before {
    padding-top: calc(15000% / 280);
  }
  #topics .deco_lb {
    display: none;
  }
  #topics .deco_rb {
    width: 160px;
  }
}
@media (max-width: 419px) {
  #topics .goto_list a span {
    display: none;
  }
  #topics .banners a {
    width: 100%;
  }
  #topics .banners a::before {
    padding-top: calc(15000% / 380);
  }
}




/* ---------------------------------------------------------
 * #guidance
** --------------------------------------------------------- */
#guidance {
}
#guidance > section {
  display: flex;
  flex-wrap: wrap;
  padding: 140px 0;
  background-image: linear-gradient(to top, rgba(235, 235, 235, 1.0) 0%, rgba(255, 255, 255, 0) 83%);
}
#guidance .img {
}
#guidance .img img {
  width: 100%;
}
#guidance .content {
  display: flex;
  width: calc(50% + 60px);
  margin-top: -60px;
  background-color: #fff;
}
#guidance .content .inner {
  max-width: 620px;
}
#guidance .content h2 {
  font-size: 32px;
  font-weight: bold;
}
#guidance .content h2 img {
  margin-right: 20px;
  vertical-align: middle;
}
#guidance .content .lead {
  margin-top: 10px;
  font-size: 20px;
  font-weight: bold;
}
#guidance .content p {
  margin-top: 5px;
}
#guidance .content .btn_area {
  margin-top: 40px;
}
@media (max-width: 1499px) {
  #guidance .content {
    display: flex;
    width: calc(50% + 60px);
    margin-top: -60px;
    background-color: #fff;
  }
  #guidance .content .inner {
    max-width: 580px;
  }
}
@media (max-width: 959px) {
  #guidance .content h2 {
    font-size: 26px;
  }
  #guidance .content .lead {
    font-size: 18px;
  }
}
@media (max-width: 519px) {
  #guidance > section {
    padding: 80px 0;
  }
  #guidance .content {
    width: calc(100% - 40px);
    margin-top: -10px;
  }
  #guidance .content h2 {
    font-size: 20px;
  }
  #guidance .content h2 img {
    margin-right: 10px;
  }
  #guidance .content .lead {
    font-size: 16px;
  }
}
@media (max-width: 419px) {
  #guidance .content {
    width: calc(100% - 20px);
  }
}


/* --------------- #guidance01 --------------- */
#guidance01 {
}
#guidance01 > div.img:nth-child(1) {
  width: 50%;
  margin-right: calc(2000% / 1500);
}
#guidance01 > div.img:nth-child(2) {
  width: calc(58000% / 1500);
}
#guidance01 > div.img:nth-child(3) {
  width: 50%;
  margin-top: calc(2000% / 1500);
}
#guidance01 .content {
  margin-left: -60px;
  padding: 60px 0 70px 80px;
  background-image: url("../img/top/guidance_pic_l01.png"), url("../img/top/guidance_pic_r01.png");
  background-repeat: no-repeat;
  background-position: top left, bottom right;
}
#guidance01 .content .inner {
  padding-right: 40px;
}
@media (max-width: 1499px) {
  #guidance01 .content {
    padding-bottom: 140px;
    background-size: auto, 50% auto;
  }
}
@media (max-width: 959px) {
  #guidance01 .content {
    padding: 30px 0 100px 40px;
  }
}
@media (max-width: 519px) {
  #guidance01 .content {
    margin-left: 40px;
  }
  #guidance01 .content h2 img {
    width: 36px;
  }
  #guidance01 > div.img:nth-child(3) {
    display: none;
  }
}
@media (max-width: 419px) {
  #guidance01 .content {
    margin-left: 20px;
    padding-top: 40px;
    padding-left: 20px;
  }
  #guidance01 .content .inner {
    padding-right: 20px;
  }
}


/* --------------- #guidance02 --------------- */
#guidance02 {
  justify-content: flex-end;
}
#guidance02 > div.img:nth-child(1) {
  width: calc(60000% / 1500);
  margin-right: calc(2000% / 1500);
}
#guidance02 > div.img:nth-child(2) {
  width: calc(73000% / 1500);
}
#guidance02 > div.img:nth-child(4) {
  width: 50%;
  margin-top: calc(2000% / 1500);
}
#guidance02 .content {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  margin-right: -60px;
  padding: 60px 80px 70px 0;
  background-image: url("../img/top/guidance_pic_r02.png"), url("../img/top/guidance_pic_l02.png");
  background-repeat: no-repeat;
  background-position: bottom left, top right;
}
#guidance02 .content .inner {
  padding-left: 40px;
}
#guidance02 .content .btn_area {
  text-align: right;
}
@media (max-width: 1499px) {
  #guidance02 .content {
    padding-bottom: 140px;
    background-size: 50% auto, auto;
  }
}
@media (max-width: 959px) {
  #guidance02 .content {
    padding: 30px 40px 100px 0;
  }
}
@media (max-width: 519px) {
  #guidance02 .content {
    margin-right: 40px;
  }
  #guidance02 .content h2 img {
    width: 35px;
  }
  #guidance02 > div.img:nth-child(4) {
    display: none;
  }
}
@media (max-width: 419px) {
  #guidance02 .content {
    padding-top: 40px;
    padding-right: 20px;
    margin-right: 20px;
  }
  #guidance02 .content .inner {
    padding-left: 20px;
  }
}




/* ---------------------------------------------------------
 * #laboratory
** --------------------------------------------------------- */
#laboratory {
  padding-top: 120px;
  padding-bottom: 100px;
  background-image: url("../img/top/laboratory_pic_l.png"), url("../img/top/laboratory_pic_r.png");
  background-repeat: no-repeat;
  background-position: left top, right bottom;
}
#laboratory h2 {
}
#laboratory h2 .ttl {
  position: relative;
  font-size: 22px;
  font-weight: bold;
}
#laboratory h2 .ttl::before,
#laboratory h2 .ttl::after {
  content: "";
  position: absolute;
  display: block;
  width: 25px;
  height: 24px;
  background-image: url("../img/tit_side_pic.png");
  background-repeat: no-repeat;
  background-size: cover;
}
#laboratory h2 .ttl::before {
  left: 110%;
  bottom: 50%;
}
#laboratory h2 .ttl::after {
  right: 110%;
  top: 50%;
}
#laboratory h2 .ttl_en {
  display: block;
  font-size: 75px;
  font-weight: bold;
  line-height: 1.4;
}
#laboratory .lead {
}
#laboratory .content {
  display: flex;
  margin-top: 60px;
}
#laboratory .content a {
  position: relative;
  display: block;
  width: calc(50% - 96px);
  padding-bottom: 55px;
  border-bottom: 1px solid #ebebeb;
}
#laboratory .content a:nth-child(1) {
  margin-left: 58px;
  margin-right: 38px;
}
#laboratory .content a:nth-child(2) {
  margin-left: 38px;
  margin-right: 58px;
}
#laboratory .img {
  position: relative;
}
#laboratory .img::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 10px;
  left: 10px;
  display: block;
  width: 100%;
  height: 100%;
  background-image: url("../img/img_bg.jpg");
  clip-path: polygon(0% 15px, 15px 0%, calc(100% - 15px) 0%, 100% 15px, 100% calc(100% - 15px), calc(100% - 15px) 100%, 15px 100%, 0% calc(100% - 15px));
}
#laboratory .img .border {
  padding: 2px;
  background-image: linear-gradient(to right, #5f2e00 6%, #a73f1a 47%, #b6701d 73%);
  clip-path: polygon(0% 15px, 15px 0%, calc(100% - 15px) 0%, 100% 15px, 100% calc(100% - 15px), calc(100% - 15px) 100%, 15px 100%, 0% calc(100% - 15px));
}
#laboratory .img .inner {
  width: 100%;
  background-image: linear-gradient(to right, #5f2e00 6%, #a73f1a 47%, #b6701d 73%);
  clip-path: polygon(0% 14px, 14px 0%, calc(100% - 14px) 0%, 100% 14px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0% calc(100% - 14px));
}
#laboratory .content a .img .inner img {
  max-width: 100%;
  transition: all ease 0.3s;
}
#laboratory .content a:hover .img .inner img {
  transform-origin: center;
  transform: scale(1.04);
}
#laboratory .content a .deco {
  position: relative;
  z-index: 3;
  display: block;
}
#laboratory .content a:nth-child(1) .deco {
  margin-top: -70px;
  margin-left: -36px;
}
#laboratory .content a:nth-child(2) .deco {
  margin-top: -64px;
  margin-left: -25px;
}
#laboratory a .ttl {
  margin-top: 20px;
  font-size: 30px;
}
#laboratory a p {
}
#laboratory a::before,
#laboratory a::after {
  content: "";
  position: absolute;
  display: block;
  transition: all ease 0.3s;
}
#laboratory a::before {
  bottom: 20px;
  right: 0;
  width: 35px;
  height: 35px;
  border: 1px solid #000;
  border-radius: 40px;
}
#laboratory a:hover::before {
  right: -10px;
  background-color: #522800;
}
#laboratory a::after {
  bottom: 33px;
  right: 15px;
  width: 9px;
  height: 9px;
  border-top: 1px solid #000;
  border-right: 1px solid #000;
  transform-origin: center;
  transform: rotate(45deg);
}
#laboratory a:hover::after {
  right: 5px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
}
@media (max-width: 959px) {
  #laboratory {
    background-image: url("../img/top/laboratory_pic_l.png"), url("../img/top/laboratory_pic_r.png");
    background-size: 50% auto;
  }
  #laboratory h2 .ttl {
    font-size: 18px;
  }
  #laboratory h2 .ttl_en {
    font-size: 45px;
  }
  #laboratory .content a {
    width: calc(50% - 56px);
  }
  #laboratory .content a:nth-child(1) {
    margin-left: 38px;
    margin-right: 18px;
  }
  #laboratory .content a:nth-child(2) {
    margin-left: 18px;
    margin-right: 38px;
  }
  #laboratory a .ttl {
    margin-top: 10px;
    font-size: 24px;
  }
}
@media (max-width: 519px) {
  #laboratory {
    padding-top: 100px;
    padding-bottom: 80px;
  }
  #laboratory h2 .ttl_en {
    margin-top: 10px;
    font-size: 32px;
  }
  #laboratory .content {
    display: block;
    margin-top: 0;
  }
  #laboratory .content a {
    margin-top: 60px;
    width: calc(100% - 56px);
  }
  #laboratory .content a:nth-child(1),
  #laboratory .content a:nth-child(2) {
    margin-left: 28px;
    margin-right: 18px;
  }
}
@media (max-width: 419px) {
  #laboratory .content a {
    width: calc(100% - 36px);
  }
  #laboratory .content a:nth-child(1),
  #laboratory .content a:nth-child(2) {
    margin-left: 18px;
    margin-right: 8px;
  }
  #laboratory .content a:nth-child(1) .deco {
    margin-top: -70px;
    margin-left: -26px;
  }
  #laboratory .content a:nth-child(2) .deco {
    margin-top: -64px;
    margin-left: -15px;
  }
}