article {
  background-color: unset;
  box-sizing: border-box;
  padding: 0;
}
.content_wrap {
  background-color: white;
}
#yodogawa, .content_wrap section {
  padding-left: 20px;
  padding-right: 20px;
}
#talk_body dd {
  white-space: normal;
}
#kv {
  padding: max(180px, min(19vw, 25vh)) 0;
  height: 100vh;
  width: 41vw;
  max-width: 100%;
  margin: 0 auto;
}
@media (max-width: 640px) {
  #kv {
    padding-bottom: 0;
    width: 90%;
    min-height: 100vh;
  }
}