.our_business__contents {
  margin-bottom: 0; }

.section__title-en {
  font-size: clamp(60px, 7vw, 90px);
  font-weight: 300;
  font-family: "Unbounded", sans-serif;
  color: #2B5E98;
  display: inline-block;
  line-height: 1; }
  @media screen and (max-width: 834px) {
    .section__title-en {
      font-size: clamp(30px, 7vw, 60px); } }

.section__lead {
  color: #2B5E98;
  font-size: 14px;
  font-weight: 400; }

.section__title {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2; }
  @media screen and (max-width: 834px) {
    .section__title {
      line-height: 1.5;
      font-size: clamp(22px, 4vw, 28px); } }

.section__text {
  font-size: 15px;
  font-weight: 300; }

.our_business__lead {
  padding: 10rem 0 12rem; }
  @media screen and (max-width: 834px) {
    .our_business__lead {
      padding: 6rem 0; } }
  .our_business__lead .lead__main {
    margin-top: 3.4rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start; }
    @media screen and (max-width: 834px) {
      .our_business__lead .lead__main {
        flex-direction: column;
        gap: 3rem 0;
        margin-top: 1.5rem; } }
  .our_business__lead .section__title {
    width: 47%; }
    @media screen and (max-width: 834px) {
      .our_business__lead .section__title {
        width: 100%; } }
  .our_business__lead .section__text {
    width: 50%; }
    @media screen and (max-width: 834px) {
      .our_business__lead .section__text {
        width: 100%; } }
  .our_business__lead .lead__picture {
    margin-top: 5.4rem;
    overflow: hidden;
    border-radius: 10px; }
    @media screen and (max-width: 834px) {
      .our_business__lead .lead__picture {
        border-radius: 5px;
        margin-top: 3rem; } }
    .our_business__lead .lead__picture img {
      display: block;
      width: 100%;
      height: auto;
      object-fit: cover; }

.our_business__carbon {
  background-color: #E7EEF6;
  padding: 10.6rem 0 12rem; }
  @media screen and (max-width: 834px) {
    .our_business__carbon {
      padding: 6rem 0; } }
  .our_business__carbon .carbon__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start; }
    @media screen and (max-width: 834px) {
      .our_business__carbon .carbon__inner {
        flex-direction: column;
        gap: 2rem 0; } }
  .our_business__carbon .section__lead {
    width: 30%; }
    @media screen and (max-width: 834px) {
      .our_business__carbon .section__lead {
        width: 100%; } }
  .our_business__carbon .carbon__main {
    width: 66%; }
    @media screen and (max-width: 834px) {
      .our_business__carbon .carbon__main {
        width: 100%; } }
  .our_business__carbon .section__title {
    margin-bottom: 3.6rem; }
    @media screen and (max-width: 834px) {
      .our_business__carbon .section__title {
        margin-bottom: 3rem; } }
  .our_business__carbon .section__text {
    margin-bottom: 4.2rem; }
    @media screen and (max-width: 834px) {
      .our_business__carbon .section__text {
        margin-bottom: 2.3rem; } }
  @media screen and (max-width: 834px) {
    .our_business__carbon .carbon__picture {
      background-color: #fff;
      border-radius: 10px;
      padding: 3rem 5%; } }

.our_business__core {
  background-color: #3d5877;
  padding: 11.3rem 0 12rem; }
  @media screen and (max-width: 834px) {
    .our_business__core {
      padding: 7rem 0; } }
  .our_business__core .business__title-box {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    color: #fff;
    margin-bottom: 7rem; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__title-box {
        flex-direction: column;
        margin-bottom: 4rem; } }
  .our_business__core .section__lead {
    color: #fff; }
  .our_business__core .section__title {
    margin-bottom: 3.6rem; }
    @media screen and (max-width: 834px) {
      .our_business__core .section__title {
        margin-bottom: 3rem; } }
  .our_business__core .business__text-box {
    width: 66%; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__text-box {
        width: 100%;
        margin-top: 1.5rem; } }
  .our_business__core .business__lead {
    font-size: 10px; }
  .our_business__core .business__list {
    width: 98%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    column-gap: 10px; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__list {
        flex-direction: column;
        width: 90%;
        gap: 2rem; } }
  .our_business__core .business__item {
    border-radius: 10px;
    overflow: hidden;
    width: 33.3333%;
    transition: width 0.4s ease;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item {
        width: 100%;
        border-radius: 5px; } }
  .our_business__core .business__item:first-child {
    background-image: url(../img/index/business1.webp); }
  .our_business__core .business__item:nth-child(2) {
    background-image: url(../img/index/business2.webp); }
  .our_business__core .business__item:nth-child(3) {
    background-image: url(../img/index/business3.webp); }
  .our_business__core .business__item.active {
    width: 45%; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item.active {
        width: 100%; } }
  .our_business__core .business__item.shrink {
    width: 27.5%; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item.shrink {
        width: 100%; } }
  .our_business__core .business__item-title {
    font-size: 28px;
    font-weight: 300;
    font-family: "Unbounded", sans-serif;
    color: #fff;
    display: inline-block;
    line-height: 1.4; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item-title {
        font-size: 20px; } }
  .our_business__core .business__item-link {
    padding: 30px 5%;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
    grid-row-gap: 17rem;
    transition: all .3s ease-out; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item-link {
        padding: 20px 5%;
        grid-row-gap: 4rem; } }
  .our_business__core .business__item-main {
    color: #fff; }
  .our_business__core .business__item-mess {
    font-size: 16px;
    font-weight: 500;
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 2rem; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item-mess {
        font-size: 15px;
        margin-bottom: 1rem; } }
    .our_business__core .business__item-mess .number {
      width: 30px;
      height: 25px;
      background: #fff;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #3D5877;
      font-size: 10px;
      font-weight: 500;
      font-family: "Unbounded", sans-serif; }
  .our_business__core .business__text {
    opacity: 0;
    font-size: 12px;
    font-weight: 300;
    transition: all 0.2s ease-out; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__text {
        display: block;
        opacity: 1; } }
  .our_business__core .business__item.active .business__text {
    opacity: 1;
    transition: all 0.2s ease-out; }
    @media screen and (max-width: 834px) {
      .our_business__core .business__item.active .business__text {
        transition: none; } }