#bg {
  background-image: url(bkgd_pc.jpg);
  background-position: center center !important;
  background-size: cover;
}
.title_text {
  display: none;
}
article {
  padding-top: 0;
  background-color: unset;
  padding: 0;
}
.content_wrap {
  background-color: rgba(255,255,255,0.9);
  padding: 60px 0 0;
}
#kv {
  display: flex;
  width: 100vw;
  justify-content: center;
  align-items: flex-start;
  margin-left: calc((100vw - 100%) / 2 * -1);
  overflow: hidden;
  margin-bottom: 0;
}
#talk_body dd {
  white-space: unset;
}
@media (max-width: 640px) {
  #bg {
    background-image: url(bkgd_sp.jpg);
    background-position: center top !important;
  }
  .content_wrap {
    padding: calc(50 / 640 * 100vw) 0;
  }
  #yodogawa, #talk_wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
  #index_nav .title {
    padding: 0;
  }
  #index_nav .title img, #talk_wrap h2 img {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc((100vw - 100%) / 2 * -1);
  }
}