/*====================================================================================
1. START MAIN VISUAL SECTION.
====================================================================================*/
.mainvisual {
  position: relative;
}
.mainvisual .mv-bg {
  overflow: hidden;
  display: block;
  min-height: 100dvh;
  position: relative;
  z-index: 2;
}
.mainvisual .mv-bg:after {
  position: absolute;
  content: "";
  background: #fff;
  width: 8rem;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}
.mainvisual .mv-bg .swiper-slide {
  height: 100%;
  min-height: 100dvh;
}
.mainvisual .mv-bg .swiper-slide img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.mainvisual .container {
  position: absolute;
  width: 100%;
  max-width: 75rem;
  margin: auto;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-flow: column;
  color: #fff;
  z-index: 99;
}
.mainvisual h1 {
  font-weight: normal;
  font-size: 4.5rem;
  font-family: var(--font-NotoSerifJP);
}
.mainvisual .txt-eng {
  font-size: 1.5rem;
  font-family: var(--font-NotoSerifJP);
  font-weight: normal;
}
.mainvisual .txt-jp {
  font-weight: 500;
  font-size: 1.8rem;
  margin-top: 2rem;
}
.mainvisual .sroll-down {
  position: absolute;
  height: 8.5rem;
  width: 8rem;
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  bottom: 8rem;
  left: 0;
  z-index: 9;
}
.mainvisual .sroll-down a {
  animation: scrollBounce 2s infinite ease-in-out;
}
.mainvisual .sroll-down span {
  text-align: center;
}
.mainvisual .sroll-down__txt {
  width: 100%;
  writing-mode: vertical-lr;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--dark_blue);
  margin-bottom: 2rem;
}
.mainvisual .sroll-down .cm-arr {
  width: 2rem;
  background: #000;
}
.mainvisual .sroll-down .cm-arr:before {
  border-color: #000;
}
@media only screen and (max-width: 767px) {
  .mainvisual .mv-bg {
    height: 100dvh;
    max-height: 55rem;
    min-height: auto;
  }
  .mainvisual .mv-bg:after {
    display: none;
  }
  .mainvisual .mv-bg .swiper-slide {
    height: 100dvh;
    max-height: 55rem;
    min-height: auto;
  }
  .mainvisual .mv-bg .swiper-button {
    display: none;
  }
  .mainvisual .sroll-down {
    display: none;
  }
}
@media only screen and (min-width: 768px) {
  .mainvisual .mv-bg {
    min-height: 115dvh;
    align-items: center;
  }
  .mainvisual .mv-bg .swiper-slide {
    min-height: 115dvh;
  }
  .mainvisual h1 {
    font-size: 10rem;
  }
  .mainvisual .txt-eng {
    font-size: 2.8rem;
  }
  .mainvisual .txt-jp {
    font-size: 3rem;
    margin-top: 4rem;
  }
  .mainvisual .sroll-down:hover .sroll-down__txt {
    color: var(--red);
  }
  .mainvisual .sroll-down:hover .cm-arr {
    background: var(--red);
  }
  .mainvisual .sroll-down:hover .cm-arr:before {
    border-color: var(--red);
  }
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}
.swiper-button .swiper-pagination-bullet {
  width: 15px;
  height: 15px;
  background: #dadada;
  opacity: 1 !important;
}
.swiper-button .swiper-pagination-bullet-active {
  background: var(--dark_blue);
}
.swiper-button .swiper-pagination {
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: 8rem !important;
  height: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  z-index: 2;
}

/*====================================================================================
2. START NEWS SECTION.
====================================================================================*/
.sec-news {
  background: var(--dark_gray);
  padding: 4rem 0 5rem;
}
.sec-news__main {
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}
.sec-news__left {
  width: 100%;
}
.sec-news__right {
  width: 100%;
}
@media only screen and (max-width: 767px) {
  .sec-news .c-title01 {
    margin-bottom: 0;
  }
}
@media only screen and (min-width: 768px) {
  .sec-news {
    padding: 8rem 0 10rem;
  }
  .sec-news__main {
    gap: 4rem;
  }
  .sec-news__left {
    width: 33rem;
  }
  .sec-news__right {
    width: calc(100% - 37rem);
  }
}

.cont-news {
  position: relative;
  padding-right: 1rem;
  height: 25rem;
  overflow-y: auto;
  z-index: 3;
}

/*====================================================================================
3. START solution SECTION.
====================================================================================*/
.sec-solution {
  padding: 6rem 0 5rem;
}
.sec-solution__main {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.sec-solution__txt {
  width: 100%;
}
.sec-solution__img {
  width: 100%;
}
.sec-solution__img img {
  width: 100%;
}
@media only screen and (max-width: 767px) {
  .sec-solution__main {
    flex-direction: column-reverse;
    gap: 2rem;
  }
  .sec-solution__txt {
    padding: 0 1rem;
  }
}
@media only screen and (min-width: 768px) {
  .sec-solution {
    padding: 13rem 0 9rem;
  }
  .sec-solution__txt {
    width: 50%;
    display: flex;
    justify-content: flex-end;
  }
  .sec-solution__txt .inner-txt {
    max-width: 54rem;
  }
  .sec-solution__img {
    width: 45%;
    min-height: 70rem;
  }
  .sec-solution__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 70rem;
  }
}

/*====================================================================================
4. START pickup SECTION.
====================================================================================*/
.sec-pickup {
  position: relative;
  padding-bottom: 4rem;
  z-index: 2;
}
.sec-pickup:after {
  position: absolute;
  content: "";
  background: var(--light_blue);
  width: 100%;
  height: 85%;
  left: 0;
  bottom: 0;
  z-index: -1;
}
.sec-pickup__main {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
@media only screen and (min-width: 768px) {
  .sec-pickup {
    padding-bottom: 8rem;
  }
  .sec-pickup:after {
    height: 67%;
  }
  .sec-pickup__main {
    gap: 6rem;
  }
}

.list-pickup {
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 3rem;
}
.list-pickup__item {
  width: 100%;
}
.list-pickup__link {
  text-decoration: none;
}
.list-pickup__txt {
  width: 100%;
}
.list-pickup__img {
  width: 100%;
  overflow: hidden;
  margin-bottom: 1rem;
}
.list-pickup__img img {
  width: 100%;
  transition: all 0.5s;
}
.list-pickup__ttl {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--dark_blue);
}
@media only screen and (min-width: 768px) {
  .list-pickup {
    gap: 6rem;
    margin-top: 7rem;
  }
  .list-pickup__item {
    width: calc((100% - 6rem) / 2);
  }
  .list-pickup__link:hover .list-pickup__img img {
    transform: scale(1.1);
  }
  .list-pickup__img {
    margin-bottom: 3rem;
  }
  .list-pickup__ttl {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
}

/*====================================================================================
4. START product SECTION.
====================================================================================*/
.sec-product {
  padding: 5rem 0 6rem;
}
@media only screen and (min-width: 768px) {
  .sec-product {
    padding: 10rem 0 13rem;
  }
}

.list-product {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.list-product__item {
  width: calc((100% - 1rem) / 2);
  overflow: hidden;
}
.list-product__item a {
  position: relative;
  width: 100%;
  display: inline-block;
  color: var(--white);
  text-decoration: none;
}
.list-product__img {
  width: 100%;
}
.list-product__img img {
  width: 100%;
}
.list-product__txt {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  flex-wrap: wrap;
  top: 0;
  left: 0;
  color: #fff;
  font-weight: bold;
  font-size: 1.6rem;
  text-align: center;
}
.list-product__txt small {
  width: 100%;
  font-size: 1.2rem;
  font-weight: 500;
  font-family: var(--font-Jost);
  letter-spacing: 0.2rem;
}
@media only screen and (min-width: 768px) {
  .list-product {
    gap: 3rem;
  }
  .list-product__item {
    width: calc((100% - 6rem) / 3);
  }
  .list-product__item a:hover .list-product__img img {
    transform: scale(1.1);
  }
  .list-product__txt {
    font-size: 2.4rem;
  }
  .list-product__txt small {
    font-size: 1.6rem;
  }
}

/*====================================================================================
5. START link SECTION.
====================================================================================*/
.sec-link {
  background: url("../images/link_bg.webp") no-repeat center/cover;
  padding: 5rem 0 10rem;
}
.sec-link__main {
  position: relative;
  background: var(--white);
  width: 55%;
  padding: 1rem 1.5rem 1.5rem;
  margin-left: auto;
  z-index: 2;
}
.sec-link__main:after {
  position: absolute;
  content: "";
  background: #fff;
  width: 100%;
  height: 100%;
  top: 0;
  right: -100%;
}
@media only screen and (min-width: 768px) {
  .sec-link {
    padding: 11rem 0 22rem;
  }
  .sec-link__main {
    padding: 4rem 7rem 7rem;
  }
}

.list-link__item {
  width: 100%;
}
.list-link__link {
  position: relative;
  display: inline-block;
  width: 100%;
  text-decoration: none;
  padding: 1.5rem 0;
  border-bottom: 2px solid var(--gray);
}
.list-link__link:after {
  position: absolute;
  content: "";
  background: var(--blue);
  width: 4.5rem;
  height: 2px;
  left: 0;
  bottom: -2px;
  transition: all 0.5s;
}
.list-link__link .txt {
  display: block;
  width: 100%;
}
.list-link__link .txt-jp {
  font-weight: bold;
  font-size: 1.5rem;
  color: var(--dark_blue);
}
.list-link__link .txt-eng {
  color: var(--gray);
  font-size: 1.2rem;
  font-weight: normal;
}
.list-link__link .cm-arr {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
}
@media only screen and (min-width: 768px) {
  .list-link__link {
    padding: 2.5rem 0;
  }
  .list-link__link .txt-jp {
    font-size: 2.4rem;
  }
  .list-link__link:hover:after {
    width: 100%;
  }
  .list-link__link:hover .txt-eng, .list-link__link:hover .txt-jp {
    color: var(--blue);
  }
  .list-link__link:hover .cm-arr {
    background: var(--blue);
  }
  .list-link__link:hover .cm-arr:before {
    border-color: var(--blue);
  }
}