.main_v {
  width: 100%;
  height: calc(100vh - 70px);
  position: relative;
  display: flex;
  flex-wrap: wrap;
}
@media screen and (max-width: 767px) {
  .main_v {
    height: 45vh;
  }
}
.main_v .main_v_slider {
  width: 100%;
  height: calc(100vh - 70px);
}
@media screen and (max-width: 767px) {
  .main_v .main_v_slider {
    width: 100%;
    height: 45vh;
  }
}
.main_v .main_v_slider .swiper {
  width: 100%;
  height: 100%;
}
.main_v .main_v_slider .swiper-wrapper,
.main_v .main_v_slider .swiper-slide > div {
  height: 100%;
  width: 100%;
}
.main_v .main_v_slider .slide {
  background-size: cover !important;
  background-position: center !important;
}
@-webkit-keyframes zoom-in {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.03);
  }
}
@keyframes zoom-in {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.03);
  }
}
.main_v .main_v_slider .swiper-slide-active .slide_img,
.main_v .main_v_slider .swiper-slide-duplicate-active .slide_img,
.main_v .main_v_slider .swiper-slide-prev .slide_img {
  -webkit-animation: zoom-in 10s linear 0s 1 normal both;
          animation: zoom-in 10s linear 0s 1 normal both;
}
.main_v .main_v_logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);
  max-width: 210px;
  z-index: 1;
}
@media screen and (max-width: 767px) {
  .main_v .main_v_logo {
    width: 30%;
  }
}

.about_section {
  margin-block: clamp(60px, 10vw, 140px);
  overflow: hidden;
}
.about_section .txt_area {
  padding-left: 50%;
}
@media screen and (max-width: 767px) {
  .about_section .txt_area {
    padding: 0;
  }
}
.about_section .txt_area > p {
  margin: 0;
  line-height: 2;
  letter-spacing: 0.03em;
}
.about_section .txt_area > p + p {
  margin-top: 26px;
}
.about_section .img_area {
  display: grid;
  grid-template-columns: minmax(0, 440fr) minmax(0, 840fr);
  gap: clamp(24px, 7.5vw, 5%);
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(32px, 4.25vw, 68px) 0;
}
.about_section .img_area .strengths_slider {
  min-width: 0;
  height: clamp(300px, 37.5vw, 600px);
  overflow: hidden;
}
.about_section .img_area .swiper,
.about_section .img_area .swiper-wrapper,
.about_section .img_area .swiper-slide,
.about_section .img_area .slide_img {
  width: 100%;
  height: 100%;
}
.about_section .img_area .swiper {
  overflow: hidden;
}
.about_section .img_area .slide_img {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media (max-width: 767px) {
  .about_section .img_area {
    margin-top: 45px;
    gap: 16px;
  }
  .about_section .img_area .strengths_slider {
    height: clamp(220px, 55vw, 400px);
  }
}

.infomation_section {
  padding-block: clamp(60px, 10vw, 120px);
  background: #F8F8F8;
}
.infomation_section_inr {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(60px, 8vw, 120px);
}
@media screen and (max-width: 767px) {
  .infomation_section_inr {
    grid-template-columns: 1fr;
    gap: 0;
  }
}
.infomation_section_inr .section_title {
  grid-column: 1;
}
@media screen and (max-width: 767px) {
  .infomation_section_inr .section_title {
    grid-column: 1;
  }
}
.infomation_section_inr .topics_list {
  grid-column: 2;
  margin-top: 30px;
}
@media screen and (max-width: 767px) {
  .infomation_section_inr .topics_list {
    margin-top: 0;
    grid-column: 1;
  }
}

.company_section {
  margin-block: clamp(60px, 10vw, 140px);
}
.company_section .company_section_inr {
  flex-direction: row-reverse;
  align-items: center;
}
.company_section .company_section_inr .img {
  background: url(../images/top/img_company.jpg) center no-repeat;
  background-size: cover;
  height: 50vh;
  min-height: 460px;
}
@media screen and (max-width: 767px) {
  .company_section .company_section_inr .img {
    height: 30vh;
    min-height: 260px;
  }
}

.strengths_section {
  margin-block: clamp(60px, 10vw, 140px);
}
.strengths_section .strengths_section_inr .txt_area {
  display: flex;
  align-items: flex-end;
  gap: 40px;
}
@media screen and (max-width: 767px) {
  .strengths_section .strengths_section_inr .txt_area {
    display: block;
  }
}
.strengths_section .feature_slider {
  position: relative;
  margin: 0 auto;
  padding: 70px 0;
}
.strengths_section .feature_slider .swiper {
  overflow: hidden;
}
.strengths_section .feature_slider .swiper-slide {
  height: auto;
}
.strengths_section .feature_slider .feature_card {
  display: block;
}
.strengths_section .feature_slider .feature_card img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.3s;
}
.strengths_section .feature_slider .feature_card:hover img {
  opacity: 0.8;
}
.strengths_section .feature_slider_prev, .strengths_section .feature_slider_next {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: grid;
  place-items: center;
  width: clamp(30px, 8vw, 80px);
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 48, 78, 0.95);
  color: #fff;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 0.3s;
}
.strengths_section .feature_slider_prev::before, .strengths_section .feature_slider_next::before {
  content: "";
  width: 10px;
  height: 10px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
}
.strengths_section .feature_slider_prev:hover, .strengths_section .feature_slider_next:hover {
  background: #005078;
}
.strengths_section .feature_slider_prev:focus-visible, .strengths_section .feature_slider_next:focus-visible {
  outline: 3px solid #278db7;
  outline-offset: 4px;
}
.strengths_section .feature_slider_prev.swiper-button-disabled, .strengths_section .feature_slider_next.swiper-button-disabled {
  opacity: 0.35;
  cursor: default;
}
.strengths_section .feature_slider_prev.swiper-button-lock, .strengths_section .feature_slider_next.swiper-button-lock {
  display: none;
}
.strengths_section .feature_slider_prev {
  left: clamp(-40px, -5.4vw, -20px);
}
.strengths_section .feature_slider_prev::before {
  transform: translateX(4px) rotate(-135deg);
}
.strengths_section .feature_slider_next {
  right: clamp(-40px, -5.4vw, -20px);
}
.strengths_section .feature_slider_next::before {
  transform: translateX(-4px) rotate(45deg);
}
@media (max-width: 767px) {
  .strengths_section .feature_slider {
    width: 100%;
    padding: 40px 0;
  }
  .strengths_section .feature_slider .feature_card_title {
    font-size: clamp(28px, 6vw, 40px);
  }
  .strengths_section .feature_slider_prev, .strengths_section .feature_slider_next {
    width: 56px;
  }
  .strengths_section .feature_slider_prev::before, .strengths_section .feature_slider_next::before {
    width: 12px;
    height: 12px;
  }
  .strengths_section .feature_slider_prev {
    left: -24px;
  }
  .strengths_section .feature_slider_next {
    right: -24px;
  }
}

.recruit_section {
  background: url(../images/top/bg_recruit.jpg) center no-repeat;
  background-size: cover;
  padding-top: clamp(60px, 10vw, 160px);
  padding-bottom: clamp(90px, 10vw, 200px);
  color: #FFFFFF;
}
.recruit_section .recruit_section_inr h3 {
  font-size: 5.3rem;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
}
@media screen and (max-width: 767px) {
  .recruit_section .recruit_section_inr h3 {
    font-size: 2.6rem;
  }
}
.recruit_section .recruit_section_inr .en {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  margin-bottom: 3em;
}
.recruit_section .recruit_section_inr p {
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 2em;
}
.recruit_section .recruit_section_inr .btn_area {
  margin-top: 65px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 45px;
  max-width: 680px;
}
.recruit_section .recruit_section_inr .btn_area .btn_more_w {
  margin: 0;
}