#aboutIntro {
  --container-width: 1280px;
  padding: var(--top-tit-margin) 0;
  background-color: #101010;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  background-position: center bottom;
}

#aboutIntro #bigTitle .text:nth-child(1) {
  align-self: flex-start;
  text-align: left;
}

#aboutIntro #bigTitle .text:nth-child(2) {
  align-self: center;
  text-align: center;
}

#aboutIntro #bigTitle .text:nth-child(3) {
  align-self: flex-end;
  text-align: right;
}

#bigTitle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

#bigTitle .text {
  font-size: clamp(76px, 5.2vw, 100px);
  font-weight: 800;
  line-height: 1.3;

  color: rgb(255, 255, 255, 0.2);
  background: linear-gradient(to right, #fff, #fff) no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  background-size: 0% 100%;
  transition: background-size cubic-bezier(0.1, 0.5, 0.5, 1) 0.5s;

  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  position: relative;
}

#aboutIntro .text-box {
  display: flex;
  justify-content: space-between;
  padding-top: var(--divider-gap);
  gap: clamp(120px, 5vw, 150px);
}

#aboutIntro .text-box .title {
  flex: 1 0 auto;
}

#aboutIntro .text-box h2 {
  color: #fff;
}

#aboutIntro .text-box p.desc {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
  word-break: keep-all;
}

#researchInstitute {
  --divider-gap: 200px;
}

#researchInstitute .content-title {
  flex: 1 0 auto;
}

#researchInstitute .content-title h5 {
  font-size: 36px;
  color: var(--color-text);
  opacity: 0.6;
  margin-top: 20px;
}

#researchInstitute .content-title h2 {
  line-height: 1.2;
}

#researchInstitute p.desc {
  font-size: var(--f22);
  color: var(--color-text);
  opacity: 0.6;
}

#whatResearch .research-grid {
  --border-color: rgba(255, 255, 255, 0.3);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  counter-reset: num_counter;
}

#whatResearch .research-item {
  padding: 65px 10px 60px 40px;
  border-right: 1px solid var(--border-color);
}

#whatResearch .research-item.empty {
  pointer-events: none;
}

#whatResearch .research-item h3 {
  font-size: 24px;
  font-weight: 500;
  color: #fff;
  word-break: keep-all;
}

#whatResearch .research-item h3::before {
  content: counter(num_counter, decimal-leading-zero);
  counter-increment: num_counter;
  display: block;
  margin-bottom: 10px;
  font-size: var(--f22);
  line-height: 1;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
}

#whatResearch .research-item p {
  margin-top: 45px;
  font-size: var(--f18);
  line-height: 1.7;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
}

#researchMethod .work-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 35px;
}

#researchMethod .work-step {
  width: clamp(200px, 11.46vw, 220px);
  height: 80px;
  border: 2px solid var(--color-sub);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--f22);
  font-weight: 700;
  color: #fff;
  background: rgba(13, 17, 21, 0.3);
}

#researchMethod .work-arrow {
  transform: translateY(-2px);
  background-image: url("/themes/basic/assets/images/who/work_arrow.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  width: 13px;
  height: auto;
  aspect-ratio: 13/25;
}

#researchMethod .work-desc {
  margin-top: var(--tit-margin);
  font-size: var(--f22);
  line-height: 1.8;
  font-weight: 400;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

#credentialsSection .credentials-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

#credentialsSection .credentials-list .item {
  position: relative;
  padding: 30px 45px 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

#credentialsSection .credentials-list .item .icon {
  width: 45px;
  height: auto;
  aspect-ratio: 1;
}

#credentialsSection .credentials-list .item p {
  margin: 20px 0 40px;
  font-size: 36px;
  line-height: 1.2;
  color: #fff;
}

#credentialsSection .credentials-list .item strong {
  font-size: 48px;
  line-height: 1;
  font-weight: 600;
  color: #fff;
  float: right;
}

#credentialsSection .certificate-wrap {
  margin-top: 120px;
}

#credentialsSection .certificate-wrap .title h4 {
  font-size: var(--f28);
  font-weight: 600;
  line-height: 1;
  color: #fff;
  margin-bottom: 35px;
}

#credentialsSection .certificate-wrap .patent-wrap {
  padding: 65px 60px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.12);
}

#credentialsSection .certificate-wrap .patent-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 50px;
}

#credentialsSection .certificate-wrap .patent-list .item {
  max-width: 215px;
  object-fit: cover;
}

#credentialsSection .certificate-wrap .patent-list .item img {
  width: 100%;
  display: block;
  box-shadow: 0 10px 20px 3px rgba(0, 0, 0, 0.4);
  transition:
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.8s ease;
}

#credentialsSection .certificate-wrap .patent-list .item:hover img {
  transform: translateY(-5px);
}

.certificate_sec .bg {
  position: absolute;
}

.certificate_sec .container {
  --container-width: 1360px;
}

.certificate_sec .contents-box {
  position: relative;
  z-index: 2;
  padding: 35px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.certificate_sec:nth-child(odd) .contents-box {
  flex-direction: row-reverse;
}

.certificate_sec .text .sub-tit {
  font-size: 26px;
  font-weight: 300;
  line-height: 1.2;
  color: #fff;
}

.certificate_sec .text h3 {
  color: #fff;
  line-height: 1.2;
  margin-top: 30px;
}

.certificate_sec .text h3 span {
  color: var(--color-sub);
}

.certificate_sec .image {
  width: 100%;
  max-width: 345px;
  height: auto;
  aspect-ratio: 210/297;
  object-fit: cover;
  background-color: #fff;
}

.certificate_sec .image .bg {
  background-size: contain;
}

/* Desktop ( 1024px ~)*/
@media all and (min-width: 1441px) {
  #whatResearch .research-item:nth-child(3n) {
    border-right: 0;
  }

  #whatResearch .research-item:nth-child(n + 4) {
    border-top: 1px solid var(--border-color);
  }
}

/* Laptop ( 1024px ~ 1440px)*/
@media all and (min-width: 1024px) and (max-width: 1440px) {
  #whatResearch .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #whatResearch .research-item:nth-child(2n) {
    border-right: 0;
  }

  #whatResearch .research-item:nth-child(n + 3) {
    border-top: 1px solid var(--border-color);
  }

  #credentialsSection .credentials-list .item p {
    font-size: 32px;
  }

  #credentialsSection .credentials-list .item strong {
    font-size: 38px;
  }
}

/* Tablet ( 768px ~ 1023px)*/
@media all and (min-width: 768px) and (max-width: 1023px) {
  #bigTitle .text {
    font-size: clamp(56px, 7.3vw, 76px);
  }

  #aboutIntro .text-box {
    flex-direction: column;
    row-gap: var(--tit-margin);
    text-align: center;
  }

  #researchInstitute {
    --divider-gap: 150px;
  }

  #researchInstitute .content-wrap {
    flex-direction: column;
    row-gap: var(--tit-margin);
    text-align: center;
  }

  #researchInstitute .content-title h5 {
    font-size: 32px;
  }

  #whatResearch .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #whatResearch .research-item:nth-child(2n) {
    border-right: 0;
  }

  #whatResearch .research-item:nth-child(n + 3) {
    border-top: 1px solid var(--border-color);
  }

  #whatResearch .research-item {
    padding: 50px 35px 40px 30px;
  }

  #whatResearch .research-item h3 {
    font-size: 22px;
    min-height: 110px;
  }

  #whatResearch .research-item p {
    margin-top: 20px;
    word-break: keep-all;
  }

  #researchMethod .work-flow {
    gap: 15px;
  }

  #researchMethod .work-step {
    height: 65px;
  }

  #researchMethod .work-arrow {
    width: 10px;
  }

  #credentialsSection .credentials-list {
    gap: 20px;
  }

  #credentialsSection .credentials-list .item {
    padding: 20px 30px 30px;
  }

  #credentialsSection .credentials-list .item .icon {
    width: 30px;
  }

  #credentialsSection .credentials-list .item p {
    margin: 15px 0 20px;
    font-size: 24px;
  }

  #credentialsSection .credentials-list .item strong {
    font-size: 32px;
  }

  #credentialsSection .certificate-wrap {
    margin-top: 80px;
  }

  #credentialsSection .certificate-wrap .title h4 {
    margin-bottom: 30px;
  }

  #credentialsSection .certificate-wrap .patent-wrap {
    padding: 45px 40px;
  }

  #credentialsSection .certificate-wrap .patent-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .certificate_sec .contents-box {
    padding: 35px 0;
  }

  .certificate_sec .text .sub-tit {
    font-size: 20px;
  }

  .certificate_sec .text h3 {
    margin-top: 15px;
  }

  .certificate_sec .image {
    max-width: 200px;
  }
}

/* Mobile ( ~ 767px)*/
@media all and (max-width: 767px) {
  #bigTitle .text {
    font-size: clamp(42px, 10vw, 56px);
  }

  #aboutIntro .text-box {
    flex-direction: column;
    row-gap: var(--tit-margin);
  }

  #aboutIntro .text-box p.desc {
    font-size: 14px;
  }

  #researchInstitute {
    --divider-gap: 80px;
  }

  #researchInstitute .content-wrap {
    flex-direction: column;
  }

  #researchInstitute .content-wrap .content-title {
    margin-bottom: var(--tit-margin);
  }

  #researchInstitute .content-title h5 {
    font-size: 22px;
    margin-top: 15px;
  }

  #whatResearch .research-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  #whatResearch .research-item {
    padding: 35px 20px 30px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
  }

  #whatResearch .research-item:last-child {
    border-bottom: 0;
  }

  #whatResearch .research-item h3 {
    font-size: 18px;
  }

  #whatResearch .research-item p {
    margin-top: 25px;
  }

  #researchMethod .work-flow {
    width: fit-content;
    gap: 15px;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    margin: 0 auto;
  }

  #researchMethod .work-step {
    height: 55px;
    font-size: 16px;
  }

  #researchMethod .work-arrow {
    width: 10px;
    transform: rotate(90deg);
    margin: 0 auto;
  }

  #credentialsSection .credentials-list {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }

  #credentialsSection .credentials-list .item {
    padding: 25px 30px 25px;
  }

  #credentialsSection .credentials-list .item .icon {
    width: 25px;
  }

  #credentialsSection .credentials-list .item p {
    margin: 10px 0 20px;
    font-size: 22px;
  }

  #credentialsSection .credentials-list .item strong {
    font-size: 26px;
  }

  #credentialsSection .certificate-wrap {
    margin-top: 60px;
  }

  #credentialsSection .certificate-wrap .title h4 {
    margin-bottom: 20px;
  }

  #credentialsSection .certificate-wrap .patent-wrap {
    padding: 35px;
  }

  #credentialsSection .certificate-wrap .patent-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .certificate_sec .bg {
    position: absolute;
  }

  .certificate_sec .contents-box {
    padding: 55px 0;
    flex-direction: column;
    row-gap: var(--tit-margin);
  }

  .certificate_sec:nth-child(odd) .contents-box {
    flex-direction: column;
  }

  .certificate_sec .text {
    text-align: center;
  }

  .certificate_sec .text .sub-tit {
    font-size: 16px;
  }

  .certificate_sec .text h3 {
    margin-top: 12px;
  }

  .certificate_sec .text .logo-img {
    margin-left: auto;
    margin-right: auto;
  }

  .certificate_sec .image {
    max-width: 180px;
  }
}