/* main visual */
#mv img {
  display: block;
  margin: auto;
  position: relative;
  width: 100%;
  max-width: 1000px;
}
@media (max-width: 768px) {
  #mv img {
    width: 80%;
  }
}
#mv_in {
  z-index: 1000;
  display: block;
  position: absolute;
  top: 300px;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  max-width: 700px;
  text-align: center;
  opacity: 1;
}
@media (max-width: 1100px) {
  #mv_in {
    width: 70%;
  }
}
@media (max-width: 767px) {
  #mv_in {
    width: 80%;
    top: 110px;
  }
}
#mv_in #mvlogo {
  margin: auto;
  max-height: 320px;
  width: 80%;
  object-fit: contain;
}
@media (max-width: 767px) {
  #mv_in #mvlogo {
    width: 80%;
    margin-top: 80px;
  }
}
@media (max-width: 600px) {
  #mv_in #mvlogo {
    margin-top: 0;
  }
}
#mvitem {
  display: block;
  position: absolute;
  margin: auto;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 850px;
  object-fit: contain;
}
@media (max-width: 1100px) {
  #mvitem {
    max-width: 750px;
  }
}
@media (max-width: 767px) {
  #mvitem {
    width: 90%;
    bottom: auto;
  }
}
.body-content {
  padding-top: 0 !important;
}
#top-cover {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: #000;
  z-index: 5000;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 2.2s ease, transform 1.6s ease, background-color 1s ease;
}
#top-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/top.jpg") center center / cover no-repeat;
  opacity: 0;
  transition: opacity 2.6s ease 1s;
  z-index: 0;
}
#top-cover .cover-inner {
  position: relative;
  z-index: 1;
  padding: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}
#top-cover .cover-button {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  padding: 14px 32px;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(2px);
}
#top-cover .cover-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.9);
}
#top-cover .cover-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12), transparent 35%), radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.08), transparent 40%), radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.08), transparent 40%);
}
#top-cover.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px) scale(1.02);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#top-cover.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#top-cover.show::before {
  opacity: 1;
}
body.cover-visible {
  overflow: hidden;
  background: #000 !important;
  background-image: none !important;
}
body.cover-visible header,
body.cover-visible #mv,
body.cover-visible #mv_in,
body.cover-visible .body-content,
body.cover-visible footer {
  display: none !important;
  visibility: hidden;
  opacity: 0;
}
body.mv-loading {
  background: #000 !important;
  background-image: none !important;
}
body.top-page-active {
  background: #000 !important;
  background-image: none !important;
}