.banner {
  position: relative;
  width: 100%;
  top: 100%;
  z-index: 5;
  filter: drop-shadow(0 0 0.25rem rgba(0, 0, 0, 0.9));
}
.banner picture {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 0;
}
@media screen and (min-width: 1920px) {
  .banner img {
    width: 100%;
  }
}

@media screen and (max-width: 914px) {
  #kowai_title {
    font-size: 1.1rem;
  }
}
@media screen and (max-width: 768px) {
  #kowai_title {
    font-size: 0.9rem;
  }
}
@media screen and (max-width: 671px) {
  #kowai_title {
    font-size: 0.5rem;
  }
}

@media screen and (max-width: 671px) {
  #kowai_price {
    font-size: 0.7rem;
  }
}

#footer-content {
  position: absolute;
  width: 100%;
}
#footer-content img {
  display: block;
  width: 100%;
  filter: invert(100%);
  transform: scale(1, -1);
  margin-bottom: -1px;
}
#footer-content .footer_text {
  text-align: center;
  background-color: white;
  padding: 0.5rem 0 0.75rem;
  margin-top: 0;
}
#footer-content .footer_text p {
  font-family: wanpaku-ruika, sans-serif;
  font-size: 1rem;
  color: black;
}
@media screen and (max-width: 671px) {
  #footer-content .footer_text p {
    font-size: 0.7rem;
  }
}