main {
  margin-top: 14.2rem;
}
@media (max-width: 992px) { main { margin-top: 13.3rem; } }
@media (max-width: 768px) { main { margin-top: 12rem; } }
@media (max-width: 480px) { main { margin-top: 10rem; } }

main .title-wrap {
  text-align: center;
  padding-top: clamp(4rem, 5vw, 10rem);
  margin-bottom: clamp(4rem, 5vw, 10rem);
}
main .title-wrap h1 {
  font-size: clamp(3rem, 3.5vw, 5rem);
  font-weight: 700;
}

.sec-ytb {
  text-align: center;
  padding-bottom: clamp(4rem, 5vw, 10rem);
}
.sec-ytb .ytb-wrap {
  margin-bottom: clamp(4rem, 4vw, 7rem);
}
.sec-ytb .ytb-wrap h2 {
  font-size: clamp(3.6rem, 3.8vw, 7rem);
  font-weight: 700;
  margin-bottom: clamp(2rem, 2vw, 3rem);
}
.sec-ytb .ytb-wrap p {
  font-size: clamp(2rem, 2vw, 3rem);
  line-height: 1.6;
}
.sec-ytb .ytb-wrap .video {
  max-width: 1000px;
  margin: clamp(4rem, 4vw, 7rem) auto 0;
}
.sec-ytb .ytb-wrap .video img {
  width: 100%;
}
.sec-ytb .ytb-wrap .video iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border-radius: 2rem;
}
.sec-ytb .info-wrap {
  display: flex;
  justify-content: space-between;
  gap: clamp(3rem, 4.5vw, 10rem);
  text-align: left;
}
.sec-ytb .info-wrap h3 {
  font-size: clamp(3rem, 4vw, 7rem);
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}
.sec-ytb .info-wrap p {
  font-size: clamp(1.6rem, 1.6vw, 1.8rem);
  line-height: 1.6;
  max-width: 814px;
  padding-top: clamp(15rem, 15vw, 20rem);
}

.sec-contents .inner {
  display: flex;
  justify-content: space-between;
  padding: clamp(4rem, 5vw, 10rem) 0;
  border-top: 1px solid #000;
}
.sec-contents .main-title {
  font-size: clamp(2.8rem, 2.8vw, 4.6rem);
  font-weight: 700;
  line-height: 1.6;
  white-space: nowrap;
}
.sec-contents .contents-wrap {
  width: 100%;
  max-width: 1100px;
}
.sec-contents .contents-wrap ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 1.5vw, 3rem);
}
.sec-contents .contents-wrap ul li {
  padding: clamp(2.5rem, 2.5vw, 5rem);
  border: 1px solid #ddd;
  border-radius: 1.5rem;
}
.sec-contents .contents-wrap ul li span {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: clamp(1.6rem, 1.6vw, 2rem);
  font-weight: 700;
  margin-bottom: 2.5rem;
}
.sec-contents .contents-wrap ul li span i {
  width: .8rem;
  height: .8rem;
  background: #000;
  border-radius: 100%;
}
.sec-contents .contents-wrap ul li p {
  font-size: clamp(1.6rem, 1.6vw, 2rem);
  line-height: 1.6;
}
.sec-contents .contents-wrap .bi-img-wrap {
  display: flex;
  gap: clamp(1.5rem, 1.5vw, 3rem);
  margin-bottom: 3rem;
}
.sec-contents .contents-wrap .bi-img-wrap img {
  max-width: 535px;
  width: 100%;
  min-width: 0;
  aspect-ratio: 535 / 280;
}
.sec-contents .contents-wrap .bi-text {
  font-size: clamp(1.6rem, 1.6vw, 2rem);
  line-height: 1.6;
}
.sec-contents .contents-wrap .visual-wrap {
  display: flex;
  align-items: center;
  gap: clamp(3rem, 4vw, 10rem);
  padding: clamp(2.5rem, 2.5vw, 5rem);
  border: 1px solid #ddd;
  border-radius: 2rem;
}
.sec-contents .contents-wrap .visual-wrap img {
  width: 100%;
  max-width: 30rem;
  min-width: 0;
  aspect-ratio: 300 / 420;
}
.sec-contents .contents-wrap .visual-wrap p {
  font-size: clamp(1.6rem, 1.6vw, 2rem);
  line-height: 1.6;
}
.sec-contents.sec-people .contents-wrap ul {
  grid-template-columns: 1fr;
}
.sec-contents.sec-people .contents-wrap ul li {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
}
.sec-contents.sec-people .contents-wrap ul li span {
  min-width: 16.8rem;
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 1600px) {
  .inner {
    padding: 0 2rem;
  }
  .sec-contents .inner {
    padding-left: 2rem;
    padding-right: 2rem;
    flex-direction: column;
  }
  .sec-contents .main-title {
    margin-bottom: 2rem;
  }
  .sec-contents .contents-wrap {
    max-width: 100%;
  }
  .sec-contents .contents-wrap .bi-img-wrap img {
    max-width: 100%;
  }
  .sec-contents .contents-wrap .visual-wrap img {
    max-width: 40rem;
  }
}

@media (max-width: 1200px) {
  .sec-contents .contents-wrap .visual-wrap img {
    max-width: 30rem;
  }
}

@media (max-width: 768px) {
  .sec-ytb .info-wrap {
    flex-direction: column;
  }
  .sec-ytb .info-wrap p {
    max-width: 100%;
    padding-top: 0;
  }
  .sec-contents .contents-wrap .visual-wrap {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .sec-contents .contents-wrap ul {
    grid-template-columns: 1fr;
  }
  .sec-contents .contents-wrap .bi-img-wrap {
    flex-direction: column;
  }
  .sec-contents .contents-wrap .visual-wrap {
    flex-direction: column;
  }
  .sec-contents .contents-wrap .visual-wrap img {
    max-width: 100%;
  }
  .sec-contents.sec-people .contents-wrap ul li {
    flex-direction: column;
    gap: 1.5rem;
  }
}