body {
  font-family: "Shuei MaruGo B";
}
#kv {
  width: 100vw;
  height: 140dvh;
  margin-left: calc(50% - 50vw);
}
#kv img {
  width: 100%;
  min-height: 90dvh;
  object-fit: contain;
  object-position: center top;
}
@media (min-width: 641px) {
  #index_nav .title {
    padding: 0 2%;
  }
  #kv img {
    width: 90%;
    object-fit: cover;
  }
}
@media (max-width: 820px) {
  .bg_cc {
    display: none;
  }
  #index_nav .title {
    white-space: normal;
  }
}