strong {
  font-weight: bold;
}
.dotted {
  text-decoration: dotted underline;
  text-underline-offset: 6px;
}
.col_left {
  position: sticky;
  top: 88px;
}
/* //--------------------------- 
/*  ヒーローセクション */
/* ---------------------------// */
.hero {
  position: relative;
  width: 100%;
  min-height: 560px;
  max-height: 720px;
  aspect-ratio: 5/3;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 74px;
}
.hero_copy {
  font-size: 150px;
  line-height: 1.7;
  text-shadow: 0 0 24px rgba(0, 0, 0, 0.44);
}
.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1);
  transition: opacity 1.2s ease, transform 14s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1;
}
.hero-image.active {
  opacity: 1;
  transform: scale(1.05);
  z-index: 2;
}
.hero-image:nth-child(1) {
  background-image: url("../img/top_fv_img1.png");
}
.hero-image:nth-child(2) {
  background-image: url("../img/top_fv_img2.png");
}
.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  margin-left: 3%;
}

.hero-btn {
  position: absolute;
  right: 80px;
  bottom: 40px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: white;
  width: 188px;
  height: 188px;
  font-weight: bold;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(220, 38, 38, 0.3);
  z-index: 3;
}
.hero-btn strong {
  font-size: 29px;
  color: rgba(255, 255, 255, 0.7);
}
.hero-btn span {
  font-size: 18px;
}
.hero-btn::after {
  content: "";
  width: 8px;
  height: 8px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%) rotate(45deg);
  transition: 0.3s ease;
}
.hero-btn:hover {
  background: #b91c1c;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(220, 38, 38, 0.4);
}
/* 画像インジケーター */
.hero-indicators {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  visibility: hidden;
}
/* スクロールインジケーター */
.scroll-indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-main);
  animation: bounce 2s infinite;
  z-index: 3;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-8px);
  }
  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}
@media (min-width: 1480px) {
  .hero {
    max-height: 850px;
  }
}
@media (max-width: 1200px) {
  .hero_copy {
    font-size: clamp(80px, 12.2vw, 150px);
  }
  .hero-btn {
    right: 32px;
    width: 148px;
    height: 148px;
  }
  .hero-btn strong {
    font-size: 24px;
  }
  .hero-btn span {
    font-size: 16px;
  }
  .hero-btn::after {
    width: 6px;
    height: 6px;
  }
}
@media (max-width: 820px) {
  .hero {
    min-height: 400px;
  }
  .hero_copy {
    font-size: clamp(56px, 11.2vw, 92px);
  }
}
@media (max-width: 767px) {
  .hero-btn {
    right: 16px;
    bottom: 16px;
    width: 128px;
    height: 128px;
  }
  .hero-btn strong {
    font-size: 18px;
  }
  .hero-btn span {
    font-size: 12px;
  }
}
@media (max-width: 480px) {
  .hero {
    min-height: 90svh;
    /* min-height: 85vh; */
    margin-top: 58px;
  }
  .hero-image:nth-child(1) {
    background-image: url("../img/top_fv_img_sp1.png");
  }
  .hero-image:nth-child(2) {
    background-image: url("../img/top_fv_img_sp2.png");
  }
  .hero-content {
    margin: 80px 0 0 2%;
  }
  .hero_copy {
    text-shadow: 0 0 16px rgba(0, 0, 0, 0.8);
  }
  .hero-btn {
    width: 104px;
    height: 104px;
  }
  .hero-btn strong {
    font-size: 16px;
  }
  .hero-btn span {
    font-size: 10px;
  }
  .hero-btn p {
    line-height: 1.2;
  }
}
/* //--------------------------- 
/*  recruit-message-section */
/* ---------------------------// */

.recruit-message-section {
  position: relative;
  padding: 120px 0 0;
  color: #fff;
  background: url("../img/message_section.png") center/cover no-repeat;
}
.message_container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  width: fit-content;
  margin: 0 auto;
  gap: 4vw;
}
.vertical-title {
  writing-mode: vertical-rl;
  font-size: clamp(46px, 5vw, 72px);
  white-space: nowrap;
  color: #fff;
  line-height: 2;
  letter-spacing: 0.05em;
  text-shadow: 0 0 38px rgb(0, 0, 0);
}
.mask {
  width: 100%;
  height: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 0;
  background: rgb(0, 0, 0, 0.8);
  background: linear-gradient(
    to bottom,
    rgba(0, 60, 128, 0) 0%,
    rgba(0, 60, 128, 0.4) 64%,
    rgba(0, 60, 128, 1) 100%
  );
}
/* 右カラムの文章リスト */
.text-list .text-item {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}
/* 大見出し */
.headline {
  text-align: center;
  padding-bottom: 4px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.headline .headline-text {
  font-family: "Didot";
  font-size: clamp(1.8rem, 15.6vw, 225px);
  white-space: nowrap;
  font-style: italic;
  color: var(--color-accent);
  line-height: 184px;
}
/* 画像リスト */
.recruit_message_image_list {
  display: flex;
  width: 100%;
  overflow: hidden;
}
.image_item {
  overflow: hidden;
  max-width: 547px;
  width: calc(100vw / 2.5);
  /* height: 322px; */
  flex-shrink: 0;
}
.image-list .image-item:last-child {
  margin-right: 0;
}
.image-list .image-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.image-list .image-item:hover img {
  transform: scale(1.05);
}
@media (min-width: 1600px) {
  .image_item {
    max-width: 640px;
  }
}
@media (max-width: 960px) {
  .message_container {
    gap: 3.6vw;
  }
  .vertical-title {
    line-height: 1.8;
  }
}
/* レスポンシブ：タブレット以下 */
@media (max-width: 820px) {
  .pc_message {
    display: none;
  }
  .recruit-message-section {
    padding: 80px 0 0;
  }
  .message_container {
    flex-direction: column;
    padding: 0 12px;
    margin-bottom: 40px;
    /* align-items: stretch; */
  }
  .vertical-title {
    writing-mode: horizontal-tb;
    font-size: clamp(34px, 8.4vw, 72px);
    line-height: 1.6;
  }
  .headline .headline-text {
    font-size: clamp(32px, 15.3vw, 126px);
    line-height: 16vw;
  }
  .image-list .image-item {
    margin-bottom: 16px;
  }
  .image-list .image-item:last-child {
    margin-bottom: 0;
  }
}

/* レスポンシブ：スマホ以下 */
@media (max-width: 480px) {
  .vertical-title {
    writing-mode: horizontal-tb;
    margin-bottom: 24px;
  }
  .recruit-message-section {
    background: url("../img/message_section_sp.png") center/cover no-repeat;
  }
  .image_item {
    width: calc(100vw / 2);
  }
}
/* //--------------------------- 
/*  01 会社を知る */
/* ---------------------------// */
.company_business {
  position: relative;
  padding: 180px 0;
  background: #f7f8fa;
}
.bg_image {
  position: absolute;
  top: 0;
  left: 0;
  height: fit-content;
  z-index: 0;
  /* opacity: 0.5; */
}
.company_bg2 {
  top: inherit;
  bottom: 0;
  left: 0;
}
/* コンテナ */
.about_container {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
/* 左カラム */
.company_business .col_left {
  width: 24%;
  text-align: right;
  margin-right: clamp(32px, 4vw, 64px);
}
.chapter_num {
  max-width: 144px;
  width: 100%;
  margin: 0 0 40px auto;
}
.vertical_text {
  writing-mode: vertical-rl;
  font-size: clamp(40px, 5vw, 54px);
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 24px;
  margin: 0 0 0 auto;
  text-align: left;
  color: var(--color-main);
}
.text_red {
  color: var(--color-accent);
}
.text_blue {
  color: var(--color-main);
}
/* 右カラム */
.company_business .col_right {
  flex: 1;
}
.company_business .box_intro {
  width: 96%;
  max-width: 920px;
  background: #fff;
  margin-bottom: 40px;
  padding: 32px;
  border-radius: 18px;
}
.company_business .intro_title {
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: bold;
  color: #25394d;
  line-height: 1.4;
  margin-bottom: 40px;
}
.underline {
  width: 96%;
  height: 80px;
  background: linear-gradient(transparent 50%, #dbe5f1 50%);
}
.company_business .intro_text {
  font-size: 16px;
  line-height: 31px;
  margin: 0;
}

/* カードリスト */
.company_business .card_list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 64px;
}
.company_business .card_item {
  position: relative;
}
.company_business .card_item a {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: 0.4s ease;
}
.company_business .card_item a:hover {
  transition: 0.4s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}
.company_business .card_item a:hover .about_image img {
  transform: scale(1.05);
  transition: 0.4s ease;
}
.about_image img {
  transition: 0.4s ease;
}
/* テキスト */
.company_business .card_text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(18px, 2.4vw, 32px);
  color: #fff;
  text-align: center;
}
.company_business .card_title_jp {
  color: #fff;
  font-weight: bold;
  letter-spacing: 0.05em;
}
.company_business .card_title_en {
  font-size: 0.5em;
  font-family: "Didot";
  font-style: italic;
}

/* 詳細タグ */
.card_tag {
  position: absolute;
  bottom: 8px;
  right: 14px;
  z-index: 1;
  font-size: 14px;
  line-height: 1.3;
  color: #fff;
}
.card_tag i {
  margin-left: 4px;
  transition: transform 0.3s ease;
}
.business_items .card_tag {
  bottom: 13px;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.05em;
}
@media (max-width: 1140px) {
  .card_line {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
  }
  .card_line::after {
    content: "";
    display: block;
    width: 100%;
    height: 18px;
    background: #e12c4e;
    transform: rotate(-41deg);
    position: absolute;
    right: -6.7vw;
    bottom: 0;
  }
}

@media (max-width: 820px) {
  .company_business {
    padding: 144px 0;
  }
  .company_business .col_left {
    width: 21%;
  }
  .card_tag {
    bottom: 8px;
    right: 8px;
    font-size: 10px;
  }
}

@media (max-width: 767px) {
  .company_business {
    padding: 80px 0;
  }
  .about_container {
    flex-direction: column;
    padding: 0 12px;
  }
  .company_business .col_left {
    width: 100%;
  }
  .col_left {
    display: flex;
    width: 100%;
    align-items: center;
    margin: 0 0 16px 0;
    position: relative;
    top: 0;
  }
  .chapter_num {
    margin: 0 0 0 16px;
  }
  .vertical_text {
    writing-mode: initial;
    transform: none;
    font-size: clamp(20px, 6.2vw, 40px);
    letter-spacing: 0.1em;
    margin: 0 24px;
  }
  .company_business .box_intro {
    width: 100%;
    padding: 32px 24px;
  }
  .company_business .intro_title {
    font-size: clamp(28px, 4vw, 46px);
  }
  .card_line:after {
    right: -10.4vw;
  }
}
@media (max-width: 480px) {
  .chapter_num {
    width: 24vw;
  }
  .vertical_text {
    font-size: clamp(20px, 7.6vw, 40px);
    line-height: 1.3;
  }
  .company_business .col_right {
    width: 100%;
    margin: 0 0 16px 0;
  }
  .company_business .intro_title {
    font-size: clamp(18px, 6vw, 24px);
    margin-bottom: 18px;
  }
  .company_business .intro_text {
    font-size: 14px;
    line-height: 1.8;
  }
  .company_business .box_intro {
    padding: 28px 20px;
  }
  .company_business .card_list {
    grid-template-columns: repeat(1, 1fr);
    gap: 16px;
    margin-top: 40px;
  }
  .card_line:after {
    display: none;
  }
}
/* //--------------------------- 
/*  01 主な6つの事業 */
/* ---------------------------// */
.business_title {
  font-size: clamp(38px, 4.2vw, 46px);
  font-weight: bold;
  margin-bottom: 40px;
  margin-left: 4px;
}
.business.box_intro {
  width: 100%;
  max-width: 1080px;
  padding: 32px;
  /* padding-right: clamp(10.9vw, calc(160px - 10vw), 160px); */
  padding: 32px 160px 32px 32px;
}
.business_items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.business_items li {
  position: relative;
  height: 205px;
  /* height: 10vw; */
  padding: 32px 96px 32px 40px;
  border-radius: 16px;
  overflow: hidden;
  transition: 0.4s;
}
.business_items li:hover {
  transition: 0.4s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}
.business_items li:hover .business_bg_image img {
  transform: scale(1.02);
  transition: 0.4s ease;
}
.business_bg_image img {
  transition: 0.4s ease;
}
.business_bg_image {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 210px;
}
.business_items h4 {
  position: relative;
  z-index: 1;
  width: fit-content;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: bold;
  color: var(--color-main);
  background: #fff;
  margin-bottom: 16px;
  padding: 2px 8px;
}
.business_items p {
  font-size: clamp(14px, 1.3vw, 16px);
  color: #fff;
  position: relative;
  z-index: 1;
  line-height: 1.8;
  /* line-height: 28.2px; */
  letter-spacing: 0.05em;
}
.business_card_line:after {
  content: "";
  display: block;
  width: 100%;
  height: 96px;
  background: #e12c4e;
  transform: rotate(-42deg);
  position: absolute;
  right: -28vw;
  bottom: 0;
}
@media (max-width: 1240px) {
  .business_bg_image img {
    height: 244px;
  }
  .business.box_intro {
    padding: 32px 6.2vw 32px 32px;
  }
  .business_card_line:after {
    right: -30vw;
  }
}
@media (max-width: 820px) {
  .business.box_intro {
    padding: 32px 3.4vw 32px 32px;
  }
  .business_card_line:after {
    height: 96px;
    right: -34vw;
  }
}
@media (max-width: 767px) {
  .business_title {
    font-size: clamp(28px, 6.2vw, 38px);
    margin-bottom: 24px;
  }
  .business_card_line:after {
    right: -42vw;
  }
}
@media (max-width: 480px) {
  .business.box_intro {
    padding: 24px 16px;
  }
  .business_items .card_tag {
    bottom: 8px;
    font-size: 10px;
  }
  .business_card_line:after {
    height: 72px;
  }
  .business_items li {
    height: 280px;
    padding: 32px 40px 32px 24px;
  }
  .business_bg_image img {
    height: 304px;
  }
  .business_items h4 {
    font-size: clamp(18px, 2vw, 28px);
  }
  .business_items p {
    font-size: 13px;
  }
}
/* //--------------------------- 
/*  02 働く環境を知る */
/* ---------------------------// */
.environment .about_container {
  position: relative;
  z-index: 0;
  padding: 200px 24px;
  background: var(--color-main);
  gap: clamp(40px, 6vw, 64px);
}
.environment .vertical_text {
  color: #fff;
}
.bg_image_top {
  position: absolute;
  top: 0;
  right: 0;
  z-index: -1;
  width: 100%;
}
.bg_image_bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1;
}
.environment_image_list {
  display: flex;
  width: 100%;
  overflow: hidden;
}
.environment_items {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.environment_items li {
  width: 100%;
  max-width: 880px;
  padding: 48px clamp(30px, 3.8vw, 48px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  gap: clamp(28px, 3vw, 38px);
  border-radius: 16px;
}
.environment_items li:nth-of-type(even) {
  flex-direction: row-reverse;
}
.environment .image_wrap {
  flex-shrink: 0;
  max-width: 368px;
  width: 49%;
  aspect-ratio: 5/4;
  border-radius: 16px;
}
.environment .image_wrap img {
  border-radius: 16px;
}
.environment_tag {
  background: var(--color-accent);
  color: #fff;
  letter-spacing: 0.05em;
  padding: 8.5px 16px;
  border-radius: 100vmax;
  width: fit-content;
}
.environment h3 {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: bold;
  letter-spacing: 0.05em;
  margin: 16px 0;
}
.environment_text {
  letter-spacing: 0.02em;
}
.other_item {
  width: 100%;
  max-width: 880px;
  padding: 48px clamp(30px, 3.8vw, 48px);
  margin: 32px auto 0;
  color: #fff;
  background: #0e335c;
  border-radius: 16px;
}
.other_item .underline {
  background: linear-gradient(transparent 50%, #0d223a 50%);
}
.other_item h3 {
  color: #fff;
}
.other_item .environment_text {
  line-height: 38px;
  letter-spacing: 0.05em;
}
@media (max-width: 767px) {
  .environment .about_container {
    padding: 120px 16px;
  }
}
@media (max-width: 640px) {
  .pc {
    display: none;
  }
  .environment .about_container {
    padding: 80px 16px;
  }
  .environment_items li {
    flex-direction: column;
    padding: 30px clamp(30px, 3.8vw, 48px);
  }
  .environment_items li:nth-of-type(even) {
    flex-direction: column;
  }
  .environment .image_wrap {
    width: 100%;
    max-width: inherit;
  }
  .other_item {
    padding: 30px clamp(30px, 3.8vw, 48px);
  }
}
@media (max-width: 480px) {
  .environment_items li,
  .other_item {
    padding: 20px;
  }
  .environment_tag {
    padding: 6.5px 14px;
  }
  .environment h3 {
    font-size: clamp(18px, 6vw, 22px);
    margin: 16px 0 10px;
  }
  .environment_text {
    font-size: 14px;
    line-height: 1.8;
  }
}
/* //--------------------------- 
/*  03 動画で見る */
/* ---------------------------// */
.movie {
  padding: 100px 24px 80px;
  position: relative;
  z-index: 0;
  gap: clamp(40px, 6vw, 64px);
}
.movie .about_container {
  gap: 64px;
}
.movie_list {
  width: 100%;
  max-width: 880px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.movie_list li {
  width: calc(100% / 2 - 6px);
  max-width: 426px;
  aspect-ratio: 1/1;
  /* height: 426px; */
  border: 8px solid var(--color-main);
  border-radius: 22px;
}
iframe {
  display: block;
  border-radius: 16px;
}
@media (max-width: 767px) {
  .movie {
    padding: 80px 0;
  }
  .movie .about_container {
    gap: 24px;
  }
  .movie_list {
    gap: 8px;
  }
}
@media (max-width: 480px) {
  /* .movie_list {
    grid-template-columns: 1fr;
  } */
  .movie_list li {
    width: 100%;
  }
}
/* //--------------------------- 
/*  04 募集要項 */
/* ---------------------------// */
.job {
  padding: 100px 24px 80px;
  background: var(--color-main);
  gap: clamp(40px, 6vw, 64px);
  position: relative;
}
.job_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.job_bg::before {
  content: "";
  width: 100%;
  height: 100%;
  background: rgba(0, 60, 128, 0.85);
  position: absolute;
  top: 0;
  left: 0;
}
.job .vertical_text {
  color: #fff;
  margin: 0 auto;
}
.job .about_container {
  gap: 64px;
}
.job_list {
  background: #fff;
  padding: 40px 64px;
  margin: 0 auto;
  border-radius: 24px;
}
.job .col_right {
  width: 100%;
  max-width: 880px;
}
.header_title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header_title a {
  transition: 0.3s ease;
}
.header_title a:hover {
  color: var(--color-accent);
  transition: 0.3s ease;
}
.job h3 {
  font-size: clamp(32px, 4.2vw, 46px);
  font-weight: bold;
  line-height: 54px;
  letter-spacing: 0.05em;
  color: #25394d;
  margin-bottom: 32px;
}
.job_list li {
  color: var(--color-main);
  border-bottom: 1px solid var(--color-main);
}
.job_list .job_navi {
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background: var(--color-main);
  border-radius: 12px;
}
.job_list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: 0.3s ease;
  padding: 24px 32px;
}
.job_list li a h4 {
  transition: 0.3s ease;
}
.job_list .job_list_item:hover {
  background: #f2f3f6;
  transition: 0.3s ease;
}
.job_list .job_list_item a:hover h4 {
  color: var(--color-accent);
  transition: 0.3s ease;
}
.job_list .job_list_item a:hover .circle_arrow {
  transform: translateX(4px);
  transition: 0.3s ease;
}
.arrow::after {
  display: inline-block;
  content: "";
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(135deg);
  margin-left: 16px;
  margin-bottom: 1px;
  transition: 0.3s;
}
.circle_arrow {
  width: 24px;
  transition: 0.3s ease;
}
.sp {
  display: none;
}
@media (max-width: 767px) {
  .job {
    padding: 80px 0 120px;
  }
  .job .about_container {
    gap: 24px;
  }
  .job .vertical_text {
    margin: 0 24px;
  }
}
@media (max-width: 640px) {
  .job_list {
    padding: 40px 32px;
  }
  .sp {
    display: block;
  }
}
@media (max-width: 480px) {
  .header_title {
    margin-bottom: 16px;
  }
  .job_list {
    padding: 24px 20px;
  }
  .job h3 {
    font-size: clamp(22px, 5.4vw, 28px);
    margin: 0;
  }
  .header_title a {
    font-size: 12px;
  }
  .job_list .job_navi,
  .job_list li a {
    padding: 16px;
  }
}