@media all and (max-width: 720px) {
  .sub-page {
    padding-top: 30vw;
    padding-bottom: 11.111vw;
  }
  .sub-page.insights {
    background-image: url(/assets/images/sub/bg_insights_m.webp);
  }
  .sub-top-1 h3 {
    margin-bottom: 2.111vw;
    font-size: 6.458vw;
    line-height: 1.53;
  }
  .sub-top-1 p {
    font-size: 3.234vw;
    line-height: 5.224vw;
  }
  .insights-nav {
    margin-top: 37.222vw;
    margin-bottom: 8.611vw;
    gap: 4.861vw;
  }
  .insights-nav button {
    font-size: 3.722vw;
  }
  .gallery-list {
    display: block;
  }
  .gallery-list > li:not(:last-child) {
    margin-bottom: 12.438vw;
  }
  .gallery-list .thumb {
    border-radius: 2.487vw;
  }
  .gallery-list .category {
    font-size: 2.985vw;
    margin-bottom: 5.069vw;
    border-radius: 2.5vw;
    height: 5.877vw;
  }
  .gallery-list .title {
    font-size: 6.219vw;
    margin-bottom: 6.219vw;
  }
  .gallery-list .date {
    font-size: 2.985vw;
  }
  .pagination {
    margin-top: 14.861vw;
    gap: 6.111vw;
    align-items: center;
  }
  .pagination .prev {
    width: 4.861vw;
    height: 4.861vw;
  }
  .pagination .next {
    width: 4.861vw;
    height: 4.861vw;
  }
  .sub-page.board-view {
    background-image: url(/assets/images/sub/bg_board-view_m.webp);
  }
  .board-top .title {
    font-size: 6.468vw;
    line-height: 1.5;
    margin-bottom: 7.361vw;
  }
  .board-top .info {
    display: block;
  }
  .board-top .img {
    height: auto;
    width: 100%;
  }
  .board-top .text {
    width: 100%;
    margin-top: 6.667vw;
  }
  .board-top .category {
    font-size: 2.986vw;
    height: 5.877vw;
    border-radius: 2.487vw;
  }
  .board-top .date {
    font-size: 2.985vw;
  }
  .board-top .text-top {
    gap: 2.486vw;
    margin-bottom: 3.867vw;
  }
  .board-top {
    padding-bottom: 4.975vw;
    margin-bottom: 4.975vw;
  }
  .board-content {
    display: block;
    padding-bottom: 38.472vw;
    margin-bottom: 8.75vw;
  }

  .board-content .share p {
    font-size: 3.731vw;
    margin-bottom: 3.722vw;
  }
  .board-content .share-list {
    gap: 3.472vw;
    margin-bottom: 10vw;
  }
  .board-content .share-list > li {
    width: 6.25vw;
  }
  .board-content .share-list > li button,
  .board-content .share-list > li img {
    width: 100%;
  }

  .board-content .navigation {
    position: absolute;
    bottom: 0;
    width: 100%;
    justify-content: center;
    bottom: 7.361vw;
    gap: 9.722vw;
  }

  .board-content .navigation button {
    font-size: 2.985vw;
    gap: 3.731vw;
  }

  .board-content .navigation button img {
    width: 4.972vw;
  }

  .board-content .editor {
    font-size: 3.731vw;
    line-height: 1.86;
  }

  .board-content .read-more {
    width: 22.388vw;
    height: 7.463vw;
    font-size: 2.487vw;
    border-radius: 2.487vw;
    bottom: 22.361vw;
  }
  .board-relation h3 {
    margin-bottom: 12.438vw;
    font-size: 4.975vw;
  }
  .sub-page.contact {
    background-image: url(/assets/images/sub/bg_contact_m.webp);
  }
  .contact-map {
    display: block;
  }
  .contact-form {
    margin-top: 44.722vw;
    display: block;
  }
  .contact-left {
    width: 100%;
    margin-bottom: 9.861vw;
  }
  .contact-title h3 {
    font-size: 6.219vw;
    margin-bottom: 5.111vw;
  }
  .contact-title p {
    font-size: 3.731vw;
    line-height: 1.8;
  }
  .contact-title strong {
    display: inline-block;
    margin-right: 2.729vw;
  }
  .contact-btns {
    margin-top: 7.361vw;
    display: flex;
    flex-direction: row;
    width: 100%;
  }
  .contact-btns button {
    width: 48%;
    font-size: 3.234vw;
    padding-right: 0;
    padding-left: 2.917vw;
    border-radius: 2.5vw;
  }
  .contact-btns button svg {
    width: 3.75vw;
  }
  .form-group li {
    flex-direction: column;
    gap: 7.361vw;
  }
  .form-group label {
    padding-top: 0;
    font-size: 4.478vw;
  }
  .form-group select {
    min-width: 52.239vw;
    height: 11.194vw;
    font-size: 4.478vw;
    background-size: 3.134vw;
    border: 1.25vw;
  }
  .form-group input {
    font-size: 4.478vw;
    line-height: 1em;
    padding-bottom: 4.861vw;
  }
  .form-group textarea {
    height: 99.502vw;
    padding: 7.361vw;
    border-radius: 3.75vw;
  }
  .form-group button[type='submit'] {
    margin-top: 4.975vw;
    font-size: 2.487vw;
    width: 24.876vw;
    height: 8.707vw;
  }
  .contact-form {
    margin-bottom: 17.361vw;
  }
  .contact-title:not(:last-of-type) {
    margin-bottom: 12.438vw;
  }
  .contact-map iframe {
    height: 63.752vw;
  }
}