@media (max-width: 1300px) {
  .openbtn {
    display: block;
  }
  .header-nav {
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    width: 100%;
    background-color: #fff;
    transform: translateX(100%);
    transition: transform 0.5s ease-in-out;
  }
  .header-nav.active {
    transform: translateX(0);
  }
  .header-nav ul {
    height: 100%;
    width: 100%;
    flex-direction: column;
    padding-top: 5rem;
    align-items: center;
  }

  .header-nav li:not(:first-of-type) {
    margin-left: 0;
    height: auto;
  }
  .header-nav li:not(:last-of-type) {
    height: auto;
  }
  .header-nav li {
    padding: 1.5rem 0;
  }
}

@media (max-width: 1200px) {
  .fv-title {
    font-size: 4rem;
  }
  .fv-titlewrap {
    left: 5%;
    top: 12%;
  }
}

@media (max-width: 1024px) {
  .footer-contents {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .footer-navwrap {
    margin-top: 2rem;
  }
  .copyright {
    margin-top: 3rem;
    text-align: center;
    width: 100%;
  }
  .footer-navwrap {
    flex-direction: column;
    margin: 2rem auto 0;
    justify-content: center;
    align-items: center;
  }
  .footer-nav ul {
    display: flex;
  }
  .footer-nav li + li {
    margin-top: 0;
  }
  .footer-nav ul li {
    margin: 0.5rem;
  }
  .footer-nav + .footer-nav {
    margin-left: 0;
    margin-top: 1rem;
  }
  .header-logo img {
    width: 90px;
  }
  .header-logo p {
    font-size: 1rem;
    margin-left: 0.5rem;
  }
  .u-news-contents {
    flex-direction: column;
  }
  .u-news-item {
    width: 100%;
  }
}

@media (max-width: 992px) {
  .fv-title {
    font-size: 3.5rem;
  }
  .section-title::after {
    font-size: 3.5rem;
  }
  .about-contents-top-title {
    font-size: 1.75rem;
  }
  .business-item-img {
    height: 200px;
  }
  .recruit-subtitle {
    font-size: 1.75rem;
    margin-top: 2.5rem;
  }
  .u-fv-title-en {
    font-size: 3rem;
  }
  .u-example-img {
    height: 200px;
  }
  .u-example-img img {
    height: 100%;
  }
  .about-philosophy-bottom {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .about-philosophy-bottom .about-philosophy-item + .about-philosophy-item {
    margin-top: 3.5rem;
  }
  .about-philosophy-item {
    width: 95%;
    max-width: 500px;
  }
  .fv-titlewrap {
    top: 18%;
  }
  .blog-contents {
    flex-direction: column;
  }
  .pc-none {
    display: block;
  }
  .sp-none {
    display: none;
  }
  .blog-right {
    margin-top: 3rem;
    width: 100%;
  }
  .u-message-contents {
    flex-direction: column-reverse;
  }
  .u-message-img {
    margin: 0 auto;
    width: 100%;
    max-width: 500px;
  }
  .u-message-textwrap {
    margin-top: 1rem;
    padding: 0;
    width: 100%;
  }
  .u-intro-item-title {
    font-size: 1.5rem;
  }
}
@media (max-width: 900px) {
  .u-business-item {
    flex-direction: column;
  }
  .u-business-img {
    width: 100%;
    height: 400px;
  }
  .u-business-img img {
    height: 100%;
    width: 100%;
    object-fit: cover;
  }
  .u-business-textwrap {
    width: 100%;
    padding: 2rem;
  }
  .u-business-item:nth-of-type(even) {
    flex-direction: column;
  }
}
@media (max-width: 800px) {
  .u-example-item {
    width: calc((100% - 4rem) / 2);
    margin: 1rem;
  }
  .u-example-img {
    height: 170px;
  }
  .u-example-single-contents {
    flex-direction: column;
  }
  .u-example-single-img {
    width: 100%;
    max-width: 600px;
    height: 300px;
    margin: 0 auto;
  }
  .u-example-single-img img {
    height: 100%;
    object-fit: cover;
  }
  .u-example-single-textwrap {
    margin: 3rem auto 0;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .fv-title {
    font-size: 2.5rem;
  }
  .fv-titlewrap {
    width: 95%;
  }
  .fv-subtitle {
    font-size: 1.2rem;
  }
  .header-inner {
    height: 80px;
  }
  .section-title::after {
    font-size: 3rem;
  }
  .about-contents-top-title {
    font-size: 1.5rem;
  }
  .business-top {
    flex-direction: column;
  }
  .more-btn.business-more-btn {
    margin-top: 2rem;
  }
  .business-item {
    width: calc(((100% - (1rem * 4))) / 2);
  }
  .recruit-textwrap {
    width: 50%;
  }

  .u-fv-title-en {
    font-size: 2.5rem;
  }
  .u-fv-title-ja {
    margin-left: 0;
  }
  .u-company-table th {
    width: 200px;
  }
  .u-business-item-title {
    font-size: 1.5rem;
  }
  .u-bsiness-item-text {
    font-size: 1rem;
  }
  .u-business-item-subtitle {
    font-size: 1.3rem;
  }
  .u-business01 .u-business-item-list p {
    font-size: 1rem;
  }
  .u-business-item-bottomtext {
    font-size: 1rem;
  }
  .u-business-itemwrap {
    flex-direction: column;
  }
  .u-business-item {
    width: 100%;
  }
  .u-business02 .u-business-item-img {
    height: 270px;
  }
  .u-business-item-contents {
    max-width: 400px;
    margin: 2rem auto;
  }
  .u-business-item-textwrap p {
    font-size: 1rem;
  }
  .u-news-single-title {
    font-size: 1.3rem;
  }
  .u-news-single-img {
    height: 250px;
  }
  span.d-color-a {
    font-size: 3rem;
  }
  .blog-lists a {
    flex-direction: column;
  }
  .blog-item-textwrap {
    margin-top: 1rem;
    width: 100%;
    padding-left: 0;
  }
  .blog-item-img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  .u-intro-item {
    width: calc((100% - 4rem) / 2);
    margin: 1rem;
  }
  .blog-left {
    width: 100%;
  }
  .blog-left .section-titlewrap.tal {
    text-align: center;
    margin: 0 auto;
  }
}

@media (max-width: 700px) {
  .recruit-contents {
    flex-direction: column;
  }
  .recruit {
    padding-top: 3rem;
  }
  .recruit-img {
    width: 90%;
    margin: 0 auto;
    border-radius: 0.5rem;
    padding: 1rem;
  }
  .recruit-img img {
    max-width: 400px;
    border-radius: 0.5rem;
  }
  .recruit-textwrap {
    max-width: 400px;
    width: 90%;
    margin: 0 auto;
  }
  .header-info {
    display: none;
  }
}
@media (max-width: 576px) {
  .fv-title {
    font-size: 2rem;
  }
  .fv-subtitle {
    font-size: 1.2rem;
    padding-left: 0;
  }
  .pc-none {
    display: block;
  }
  .section-title::after {
    font-size: 2.5rem;
  }
  .philosophy .about-contents-top-title {
    font-size: 1.1rem;
  }
  .philosophy .about-contents-top-title span {
    font-size: 1.5rem;
  }
  .business-item-img {
    height: 150px;
  }
  .business-item-title {
    font-size: 1rem;
  }
  .slick__images {
    padding-left: 0;
  }
  .u-company-table th {
    width: 150px;
    padding: 0.75rem 0.25rem;
    font-size: 1rem;
  }
  .u-company-table td {
    padding: 0.75rem 0.25rem;
  }
  .u-business01 .u-business-item-lists {
    flex-direction: column;
  }
  .u-business01 .u-business-item-list {
    width: 100%;
    margin: 1rem auto;
    max-width: 400px;
  }
  .u-example-item {
    width: 100%;
    margin: 1rem;
  }
  .u-example-img {
    height: 250px;
  }
  .u-example-single-title {
    font-size: 1.3rem;
  }
  .u-example-single-data h3 {
    font-size: 1.1rem;
  }
  .u-news-item {
    flex-direction: column;
    margin: 1rem auto;
  }
  .u-news-img {
    width: 100%;
    height: 250px;
  }
  .u-news-textwrap {
    margin-top: 2rem;
    padding: 0;
  }
  span.d-color-a {
    font-size: 2.5rem;
  }
  .fv-title-span {
    line-height: 1;
  }
  .u-message-textwrap p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .fv-title {
    font-size: 1.5rem;
  }
  .fv-title span.fv-title-span {
    height: auto;
    line-height: 1;
  }
  .fv-subtitle {
    margin-top: 1.5rem;
    font-size: 1.1rem;
  }

  .scrolldown {
    width: 26px;
    top: -0.2rem;
  }
  .scrolldown {
    right: -2.5rem;
    bottom: 0;
  }
  .scrolldown span {
    bottom: 0;
    font-size: 1.1rem;
  }
  .arrow {
    width: 2px;
    height: 80px;
  }

  .arrow::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: calc(50%);
    width: 2px;
    height: 14px;
    border-radius: 9999px;
    background-color: #4d445b;
    transform: rotate(45deg);
    transform-origin: 50% calc(100% - 2px);
  }

  .fv-img {
    width: calc(100% - 50px);
  }
  .fv-side-text p span {
    font-size: 1rem;
  }
  .fv-side-text.left {
    left: 0;
  }
  .fv-side-text.right {
    right: 0;
  }
  .fv-titlewrap {
    top: 20%;
    left: 4%;
  }
  .d-color-a {
    line-height: 1.2;
  }
  .fv-subtitle {
    margin-top: 3rem;
  }
  .pc-none-fv {
    display: block;
  }
  .section-title::after {
    font-size: 2rem;
  }
  .about-contents-top-title {
    font-size: 1.2rem;
  }
  section {
    padding: 3rem 0;
  }
  .about-contents-top {
    margin-top: 2rem;
  }
  .business-item {
    width: 100%;
  }
  .business-item-img {
    height: 200px;
  }

  .recruit-subtitle {
    margin-top: 1rem;
    font-size: 1.5rem;
  }
  .recruit-more {
    text-align: center;
  }
  .footer-logowrap img {
    width: 100px;
  }
  .footer-logowrap p {
    font-size: 1rem;
  }
  .u-fv-title-en {
    font-size: 2rem;
  }
  .u-fv-title::before {
    height: 60px;
  }
  .u-fv-img {
    height: 200px;
  }
  .u-company-table td {
    font-size: 0.95rem;
  }
  .u-example-img {
    height: 200px;
  }
  .u-example-single-title {
    font-size: 1.2rem;
  }
  .u-example-single-data h3 {
    font-size: 1.05rem;
  }
  .u-news-img {
    height: 200px;
  }
  .u-news-single-title {
    font-size: 1.15rem;
  }
  .header-logo img {
    width: 80px;
  }
  header.active .header-logo img {
    width: 70px;
  }
  .about-philosophy-bottom .about-philosophy-item + .about-philosophy-item {
    margin-top: 1.5rem;
  }
  .about-philosophy-bottom {
    margin-top: 1rem;
  }
  .fv-subtitle {
    margin-top: 1.5rem;
  }
  span.d-color-a {
    font-size: 2rem;
  }
  .header-logo .logo-icon {
    width: 120px;
  }
  .header-logo .logo-text {
    width: 120px;
  }
  .header-nav ul {
    padding-top: 8rem;
  }
  .blog-item-textwrap h3 {
    font-size: 1.1rem;
  }
  .u-business-textwrap {
    width: 95%;
    padding: 0;
    margin: 1rem auto 0;
  }
  .u-business-title {
    font-size: 1.3rem;
  }
  .u-business-img {
    aspect-ratio: 1.5 / 1;
    height: 300px;
  }
  .u-business-item:nth-of-type(odd) img,
  .u-business-item:nth-of-type(even) img {
    border-radius: 0;
  }
  .u-business-subtitle {
    font-size: 1.1rem;
  }
  .u-intro-item {
    width: 100%;
    margin: 1rem;
  }
}

@media (max-width: 400px) {
  .header-logo p {
    font-size: 0.8rem;
    margin-left: 0.5rem;
  }
  .more-btn a {
    padding: 1rem 4rem;
  }
  .btn-contact {
    display: none;
  }
}