@charset "UTF-8";



#mv .imgBox {
  height: 100vh;
}
#mv .ttlBox {
  justify-content: flex-end;
  align-items: flex-end;
}
#mv .ttlBox h1 {
  letter-spacing: .2em;
  margin-bottom: .5rem;
}
#mv .ttlBox h2 {
  letter-spacing: .2em;
  margin-right: .5em;
}


#intro {
  padding-top: 5rem;
}
#intro .imgBox {
  display: block;
  mix-blend-mode: multiply;
}
@media (min-width: 992px) {
  #intro {
    padding-top: 1rem;
  }
}


#concept {
  position: relative;
  z-index: 2;
}
#concept .sticky-cont {
  width: 100%;
  height: calc(100vh - 4.286rem + 1px);
  position: sticky;
  top: 0;
}
#concept .hero {
  height: 100%;
}
#concept .hero .cont-ttl {
  margin-bottom: max(2.5em, 14vh);
}
#concept .hero .cont-ttl .ttl::before {
  content: '';
  display: block;
  width: 1.5em;
  height: 1.5em;
  border: 1px solid currentColor;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-55%);
  opacity: .2;
}


#topics {
  width: 100%;
  overflow: hidden;
}