/* Mobile */
@media screen and (max-width: 428px) {
  section {
    height: auto;
    padding: 50px 0
  }
  .section-box {
    height: auto;
  }
  header {
    flex-direction: column;
    gap: 20px;
  }
  .header-logo {
    font-size: 24px;
    margin: 20px 0;
  }
  nav {
    flex-direction: column;
    gap: 30px;
  }
  .nav-items {
    font-size: 16px;
  }
  .hero-content h3 {
    font-size: 1.2rem;
    letter-spacing: 20px;
  }
  .hero-content h1 {
    font-size: 4rem;
    letter-spacing: 2px;
    margin-top: 10px;
    line-height: 1.2;
    text-align: center;
    z-index: 1;
  }
  .hero-content {
    padding: 50px 0;
  }
  .hero-img {
    width: 100%;
    margin-top: 50px;
    z-index: 1;
  }
  .hero-btn {
    margin-top: 50px;
  }

  .content-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 50px;
    padding: 50px 5% ;
  }
  .about-img {
    width: 100%;
  }
  .section-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
  }

  #join-us .content-wrap {
    padding: 50px 5%;
  }
  .input-1 {
    width: 85%;
    padding: 0 20px;
  }
  .checkbox-wrap {
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    font-size: 16px;
  }
  #join-us .section-title {
    text-align: center;
    font-size: 3rem;
    margin-top: 10px;
  }
  .footer-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }
  .footer-items {
    font-size: 16px;
  }

}

/* Tab */
@media screen and (min-width: 429px) and (max-width: 1279px) {
  section {
    height: auto;
    padding: 50px 0
  }
  .section-box {
    height: auto;
  }
  header {
    flex-direction: column;
    gap: 20px;
  }
  .header-logo {
    font-size: 24px;
    margin: 20px 0;
  }
  nav {
    flex-direction: column;
    gap: 30px;
  }
  .nav-items {
    font-size: 20px;
  }
  .hero-content h3 {
    font-size: 1.8rem;
    letter-spacing: 25px;
    margin-top: 30px;
  }
  .hero-content h1 {
    font-size: 6rem;
    letter-spacing: 2px;
    margin-top: 30px;
    line-height: 1.2;
    text-align: center;
    z-index: 1;
  }
  .hero-content {
    padding: 50px 0;
  }
  .hero-img {
    width: 100%;
    margin-top: 50px;
    z-index: 1;
  }
  .hero-btn {
    margin-top: 50px;
    font-size: 22px;
  }

  .content-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 50px;
    padding: 50px 5% ;
  }
  .about-img {
    width: 100%;
  }
  .section-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
  }

  #join-us .content-wrap {
    padding: 50px 5%;
  }
  .input-1 {
    width: 85%;
    padding: 0 20px;
  }
  .checkbox-wrap {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 20px;
  }
  #join-us .section-title {
    text-align: center;
    font-size: 3rem;
    margin-top: 10px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 50px;
    margin: 0 50px;
  }
  .footer-items {
    font-size: 16px;
  }

}

/* lap */
@media screen and (min-width: 1280px) and (max-width: 1919px) {
  .header-logo {
    font-size: 28px;
  }
  .nav-items {
    font-size: 16px;
  }
  .hero-content h3{
    font-size: 1.7rem;
  }
  .hero-content h1 {
    font-size: 6rem;
    letter-spacing: 20px;
  }
  .hero-img {
    width: 50%;
  }
  .hero-btn {
    margin-top: -120px;
  }

  .section-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
  }
  #join-us .content-wrap {
    height: auto;
  }

}