.background-about {
  background-image: url("../background/CS_01.jpg");
  backface-visibility: hidden;
  background-size: cover;
  pointer-events: none;
  background-position: center center;
  color: transparent;
  filter: grayscale(100%);
  height: 100vh;
  left: 0;
  opacity: 0.15;
  position: fixed;
  width: 100%;
  z-index: -1;
}
.about-content {
  position: relative;
  display: flex;
  flex-direction: column;
}
.about-text {
  margin: 11vw 20vw;
  font-size: 1rem;
  line-height: 2.5rem;
  text-align: justify;
}

.about-mission {
  padding-top: 5rem;
  font-size: 1.5rem;
  letter-spacing: .18rem;
  line-height: 3rem;
  font-weight: 500;
  letter-spacing: 0.3rem;
  text-align: center;
}
.creator{
  margin-top: 12rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.creator-photo img {
  height: 18rem;
  float: left;
  padding-bottom: 1rem;
}

.info {
  margin-top: 1rem;
}

.restriction-link {
  font-weight: bold;
}

.restriction-link:hover {
  text-decoration: underline;
}

@media(max-width: 1280px){
  
  .about-text {
    margin: 10rem 8rem;
    font-size: 1rem;
    line-height: 2rem;
    text-align: justify;
  }

  .about-mission {
    padding-top: 3rem;
    font-size: 1.2rem;
    letter-spacing: 0.1rem;
  }

  .creator{
    margin-top: 7rem;
  }
  .info{
    margin-top: 0.8rem;
  }
}

@media(max-width: 800px){
  
  .about-text {
    margin: 10rem 2rem;
    padding: 1rem 0;
    font-size: 0.8rem;
    line-height: 1.5rem;
    text-align: justify;
  }

  .about-mission {
    padding-top: 1rem;
    line-height: 1.5rem;
    font-size: 1rem;
  }
  .creator{
    margin-top: 4rem;
  }

  .creator-photo img{
    height: 12rem;
    margin:0;
  }
}