@media screen and (min-width: 768px) {
  html {
    scroll-padding-top: 0;
  }
  body {
    position: relative;
  }
  header {
    position: absolute;
    background: transparent;
    inset: 0 0 auto;
    z-index: 100;
  }
  header #menu-header_menu > li > a {
    color: #ffffff !important;
    font-weight: 600;
    text-shadow: 0 0 32px rgba(26, 42, 65, 0.2);
  }
  main {
    overflow: unset;
  }
  .arrow_link {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
    padding: 0;
    color: #ffffff;
    text-decoration: none;
    width: max-content;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.064em;
    column-gap: 15px;
  }
  .arrow_link::before {
    content: "";
    width: 44px;
    height: 44px;
    border-radius: 100%;
    border: 2px solid #ffffff;
    box-sizing: border-box;
    background: url("../img/base/arw_w.svg") no-repeat center center;
    background-size: 13px 12px;
  }
  .arrow_link.dark_blue {
    color: #213e53;
  }
  .arrow_link.dark_blue::before {
    border: 2px solid #213e53;
    background-image: url("../img/base/arw.svg");
  }
  .arrow_link.dark_blue:hover {
    opacity: 1;
  }
  .arrow_link.dark_blue:hover::before {
    background: #213e53 url("../img/base/arw_w.svg") no-repeat center center;
    background-size: 13px 12px;
  }
  @keyframes business_infinity_scroll {
    from {
      transform: translateX(0%);
    }
    to {
      transform: translateX(-100%);
    }
  }
  @keyframes initiative_infinity_scroll {
    from {
      transform: translateY(0%);
    }
    to {
      transform: translateY(-100%);
    }
  }
  #top_mainview {
    width: 100%;
    height: 100dvh;
    position: relative;
  }
}

@media screen and (min-width: 768px) and (min-aspect-ratio: 19.5 / 9) {
  #top_mainview {
    height: auto;
    aspect-ratio: 1916/1036;
    aspect-ratio: 19.5/9;
  }
}

@media screen and (min-width: 768px) {
  #top_mainview::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 300px;
    background: linear-gradient(to bottom, rgba(0, 159, 255, 0.16), transparent);
  }
  #top_mainview video {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
  }
  #top_mainview img {
    width: 100%;
    height: auto;
  }
  #top_philosophy {
    display: flex;
    margin: 0 140px;
    padding: 120px 0;
    justify-content: center;
  }
  #top_philosophy h2 {
    font-size: 24px;
    color: #213e53;
    letter-spacing: 0.16em;
    line-height: 1.66;
    padding-right: 63px;
    border-right: 1px solid #e4e8ea;
  }
  #top_philosophy p {
    font-size: 15px;
    color: #213e53;
    letter-spacing: 0.08em;
    line-height: 2.4;
    padding-left: 50px;
  }
  #top_company {
    background: linear-gradient(144deg, #213e53 0%, #213e53 88%, #185c80 100%);
    color: #ffffff;
    padding: 170px 0 150px 120px;
    display: flex;
    column-gap: 68px;
    overflow: hidden;
  }
  #top_company .text_area {
    width: 340px;
  }
  #top_company .text_area h2 {
    font-weight: 900;
    font-size: 66px;
    line-height: 1;
    margin: 0;
  }
  #top_company .text_area h2 .sub {
    font-weight: 700;
    font-size: 18px;
    font-family: "Noto Sans JP", serif;
    letter-spacing: 0.08em;
    display: block;
    margin-top: 32px;
  }
  #top_company .text_area p {
    font-size: 15px;
    font-weight: 300;
    line-height: 2.2;
    margin: 65px 0 80px;
  }
  #top_company .slide_area #company_slide .swiper-wrapper {
    display: flex;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style-type: none;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide {
    position: relative;
    width: calc(370px + 36px);
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a {
    display: block;
    width: 370px;
    position: relative;
    color: #ffffff;
    text-decoration: none;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .img_wrap {
    position: relative;
    margin-bottom: 36px;
    display: block;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .img_wrap img {
    border-radius: 8px;
    display: block;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .img_wrap::before {
    content: "";
    width: 44px;
    height: 44px;
    border-radius: 100%;
    border: 2px solid #ffffff;
    box-sizing: border-box;
    background: url("../img/base/arw_w.svg") no-repeat center center;
    background-size: 13px 12px;
    position: absolute;
    inset: auto 20px 20px auto;
    z-index: 10;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .img_wrap::after {
    content: "";
    width: 100%;
    height: 160px;
    background-image: -moz-linear-gradient(90deg, #02a1e9 0%, rgba(2, 161, 233, 0) 100%);
    background-image: -webkit-linear-gradient(90deg, #02a1e9 0%, rgba(2, 161, 233, 0) 100%);
    background-image: -ms-linear-gradient(90deg, #02a1e9 0%, rgba(2, 161, 233, 0) 100%);
    opacity: 0.302;
    position: absolute;
    inset: auto 0 0;
    border-radius: 0 0 8px 8px;
    z-index: 5;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .slide_title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.064em;
    margin: 0;
    padding: 0;
  }
  #top_company .slide_area #company_slide .swiper-wrapper .swiper-slide a .decoration {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 0.048em;
    color: #213e53;
    writing-mode: vertical-rl;
    position: absolute;
    inset: 1px auto auto calc(100% - 2px);
    margin: 0;
    line-height: 1;
    opacity: 0.75;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5), -1px -1px 0 rgba(255, 255, 255, 0.5), -1px 1px 0 rgba(255, 255, 255, 0.5), 1px -1px 0 rgba(255, 255, 255, 0.5), 0px 1px 0 rgba(255, 255, 255, 0.5), 0 -1px 0 rgba(255, 255, 255, 0.5), -1px 0 0 rgba(255, 255, 255, 0.5), 1px 0 0 rgba(255, 255, 255, 0.5);
  }
  #top_business {
    position: relative;
  }
  #top_business ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  #top_business h2 {
    font-size: 100px;
    font-weight: 800;
    line-height: 1;
    width: 240px;
    margin: 125px 0;
    padding: 0;
    box-sizing: border-box;
    position: absolute;
    inset: 0 0 0 auto;
    display: flex;
    align-items: start;
    justify-content: center;
  }
  #top_business h2 span {
    position: sticky;
    writing-mode: vertical-rl;
    top: 125px;
  }
  #top_business .business_main {
    padding: 0 240px 0 0;
  }
  #top_business .business_main > li {
    padding: 120px 85px 260px 120px;
    border-bottom: 2px solid #213e53;
    position: relative;
  }
  #top_business .business_main > li:nth-last-of-type(1) {
    border-bottom: none;
  }
  #top_business .business_main > li .title_wrap {
    display: flex;
    align-items: center;
  }
  #top_business .business_main > li .title_wrap .number {
    font-weight: 700;
    line-height: 1;
    margin: 0;
    display: inline-block;
    width: 250px;
  }
  #top_business .business_main > li .title_wrap .number .sub {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: -10px;
  }
  #top_business .business_main > li .title_wrap .number .gradation {
    font-size: 140px;
    background: linear-gradient(144deg, #213e53 0%, #213e53 50%, #11709e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  #top_business .business_main > li .title_wrap h3 {
    font-weight: 900;
    font-size: 36px;
    letter-spacing: 0.048em;
    margin: 0;
  }
  #top_business .business_main > li .title_wrap a {
    margin-left: auto;
    font-weight: 700;
  }
  #top_business .business_main > li .explain {
    padding-left: 253px;
    margin: -8px 0 0;
    font-weight: normal;
    line-height: 2.2;
  }
  #top_business .business_main > li .business_content {
    display: flex;
    flex-wrap: wrap;
    padding-top: 60px;
    row-gap: 46px;
  }
  #top_business .business_main > li .business_content li {
    width: 25%;
  }
  #top_business .business_main > li .business_content li a {
    text-decoration: none;
    color: #213e53;
    font-size: 16px;
    font-weight: 600;
  }
  #top_business .business_main > li .business_content li a img {
    display: block;
    margin: 0 auto;
  }
  #top_business .business_main > li .business_content li a p {
    margin: 8px 0 0;
    text-align: center;
  }
  #top_business .business_main > li .content_wrap {
    display: flex;
    align-items: start;
  }
  #top_business .business_main > li .content_wrap .img_side_explain {
    padding-right: 290px;
    position: relative;
  }
  #top_business .business_main > li .content_wrap .img_side_explain > img {
    position: absolute;
    bottom: 0;
    right: 0;
  }
  #top_business .business_main > li .content_wrap .explain_list {
    color: #213e53;
    padding-left: 253px;
  }
  #top_business .business_main > li .content_wrap .explain_list dt {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.048em;
    background: #ebf8fd;
    padding: 2px 20px 3px;
    line-height: 1;
    position: relative;
    margin-top: 40px;
    margin-bottom: 20px;
  }
  #top_business .business_main > li .content_wrap .explain_list dt::before {
    content: "";
    height: 100%;
    width: 5px;
    background: #02a1e9;
    display: block;
    position: absolute;
    inset: 0 auto 0 0;
  }
  #top_business .business_main > li .content_wrap .explain_list dd {
    margin-bottom: 35px;
  }
  #top_business .business_main > li .content_wrap .explain_list dd:nth-last-of-type(1) {
    margin-bottom: 0;
  }
  #top_business .business_main > li .content_wrap .explain_list dd ul {
    list-style: circle;
    margin: 0;
    padding: 0;
  }
  #top_business .business_main > li .content_wrap .explain_list dd ul li {
    margin-bottom: 15px;
    line-height: 1.4;
  }
  #top_business .business_main > li .content_wrap .explain_list dd ul li:nth-last-of-type(1) {
    margin-bottom: 0;
  }
  #top_business .business_main > li .text_for_decoration {
    position: absolute;
    display: flex;
    z-index: -1;
    bottom: 40px;
    column-gap: 76px;
    overflow: hidden;
    max-width: calc(100% + 240px);
    margin: 0 0 0 -120px;
  }
  #top_business .business_main > li .text_for_decoration p {
    font-size: 180px;
    font-weight: 800;
    line-height: 1;
    margin: 0;
    color: #f6f7f8;
    animation: business_infinity_scroll 50s infinite linear 0.5s;
    white-space: nowrap;
  }
  #top_business .business_main > li .text_for_decoration p .thin {
    font-weight: 300;
  }
  #top_initiative {
    width: 100%;
    padding: 140px 0 137px;
    position: relative;
    background: url("../img/top/sustainability_bg.jpg") no-repeat center center;
    background-size: cover;
    overflow: hidden;
  }
  #top_initiative h2 {
    text-align: center;
    font-size: 110px;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    margin: 0 0 90px;
  }
  #top_initiative h2 .sub {
    font-size: 24px;
    letter-spacing: 0.16em;
    display: block;
    margin-top: 40px;
    font-weight: 700;
  }
  #top_initiative ul {
    display: flex;
    column-gap: 100px;
    list-style: none;
    margin: 0 auto 70px;
    padding: 0;
    width: max-content;
  }
  #top_initiative ul li {
    border-bottom: 1px solid #ffffff;
    padding-bottom: 17px;
  }
  #top_initiative p {
    font-size: 15px;
    line-height: 2.2;
    text-align: center;
    color: #ffffff;
  }
  #top_initiative .text_for_decoration {
    position: absolute;
    inset: 0 auto 0 0;
    width: 80px;
    overflow: hidden;
    border-right: 2px solid #ffffff;
  }
  #top_initiative .text_for_decoration p {
    writing-mode: vertical-rl;
    font-weight: 900;
    color: #ffffff;
    font-size: 22px;
    margin: 0 25px 25px;
    line-height: 1;
    letter-spacing: 0.01em;
    animation: initiative_infinity_scroll 20s infinite linear;
  }
  #top_news {
    display: flex;
    margin-bottom: 140px;
    box-sizing: border-box;
  }
  #top_news .news_wrap {
    width: 65.7%;
    padding: 160px 78px 17px 120px;
  }
  #top_news .news_wrap h2 {
    font-weight: 900;
    font-size: 66px;
    line-height: 1;
    color: #213e53;
    margin: 0 0 32px;
  }
  #top_news .news_wrap .news_list_head .category_list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 9px 18px;
    padding: 0;
    margin: 0;
  }
  #top_news .news_wrap .news_list_head .category_list li button {
    border: none;
    background: none;
    font-size: 15px;
    font-weight: 300;
    line-height: 1;
    letter-spacing: 0.024em;
    color: #999999;
    cursor: pointer;
    padding: 0 4px 4px;
  }
  #top_news .news_wrap .news_list_head .category_list li button.active {
    cursor: auto;
    color: #02a1e9;
    border-bottom: 3px solid #02a1e9;
    font-weight: 700;
  }
  #top_news .news_wrap .news_list_main {
    overflow: auto;
    margin: 35px 0 80px;
  }
  #top_news .news_wrap .news_list_main .news_list {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  #top_news .news_wrap .news_list_main .news_list li {
    border-bottom: 1px solid #e7e7e7;
  }
  #top_news .news_wrap .news_list_main .news_list li a {
    padding: 38px 0 36px;
    display: flex;
    flex-wrap: wrap;
    border-radius: 12px;
    text-decoration: none;
    gap: 12px 24px;
    overflow: hidden;
    position: relative;
  }
  #top_news .news_wrap .news_list_main .news_list li a .date {
    font-size: 13px;
    font-weight: 300;
    line-height: 1;
    letter-spacing: 0.036em;
    color: #999999;
    margin: 0;
  }
  #top_news .news_wrap .news_list_main .news_list li a .category {
    font-size: 13px;
    color: #02a1e9;
    line-height: 1;
    margin: 0;
    display: flex;
    align-items: center;
    column-gap: 8px;
  }
  #top_news .news_wrap .news_list_main .news_list li a .category::before {
    content: "";
    width: 9px;
    height: 9px;
    background: #02a1e9;
    border-radius: 100%;
    margin-top: 2px;
  }
  #top_news .news_wrap .news_list_main .news_list li a .title {
    width: 100%;
    font-weight: 500;
    font-size: 18px;
    color: #213e53;
    letter-spacing: 0.064em;
    margin: 0;
    line-height: 1.5;
  }
  #top_news .news_wrap .category_to_archive .category_list_bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 40px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  #top_news .news_wrap .category_to_archive .category_list_bottom li a {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.012em;
    gap: 9px;
  }
  #top_news .instagram_wrap {
    background: #f7f7f7;
    padding: 155px 0 143px 80px;
    flex-grow: 1;
    width: 34.3%;
  }
  #top_news .instagram_wrap h3 {
    font-weight: 900;
    font-size: 33px;
    line-height: 1;
    margin: 30px 0 72px;
  }
  #top_news .instagram_wrap h3 .sub {
    margin-top: 25px;
    font-size: 15px;
    font-weight: 700;
    display: block;
  }
  #top_news .instagram_wrap p {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 75px;
  }
  #top_news .instagram_wrap .instagram_content #instagram_slide .swiper-wrapper .swiper-slide {
    width: 240px;
  }
  #top_news .instagram_wrap .instagram_content #instagram_slide .swiper-wrapper .swiper-slide a {
    display: flex;
    width: 240px;
    height: 240px;
    align-items: center;
    justify-content: center;
    background: #ffffff;
  }
  #top_news .instagram_wrap .instagram_content #instagram_slide .swiper-wrapper .swiper-slide a img {
    width: 182px;
    height: 182px;
    object-fit: cover;
  }
  #top_news .instagram_wrap .instagram_content #instagram_slide .instagram-scrollbar {
    margin-top: 20px;
    width: 100%;
    height: 4px;
    background: #ffffff;
    border-radius: 0;
  }
  #top_news .instagram_wrap .instagram_content #instagram_slide .instagram-scrollbar .swiper-scrollbar-drag {
    background: #02a1e9;
    border-radius: 0;
  }
}