.billboard {
  position: relative;
}

.cover {
  position: relative;
  height: 375px;
}

.cover_imgSet {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.cover_img {
  position: absolute;
  left: 0;
  top: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.cover_inner {
  max-width: 1180px;
  padding: 30px 0 0 25px;
  margin: auto;
}

.logo {
  filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.5));
}

.stats {
  font-size: 1.2rem;
}

.stats em {
  margin: 0 2px;
  font-size: 1.6rem;
}

.g-menu {
  position: absolute;
  top: 25px;
  right: 15px;
}

.g-menu a {
  height: 32px;
}

.g-menu_search {
  height: 24px;
}

.timeMachineBtn {
  position: absolute;
  right: -7px;
  bottom: -10px;
}

.timeMachineBtn a {
  display: flex;
  width: 150px;
  height: 150px;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background: url("../image/time-machine.png") no-repeat center/cover;
  color: #000;
  font-size: 1.6rem;
  line-height: 1.3;
  text-align: center;
  transition: opacity 0.2s;
}

html[data-states~='no-touch'] .timeMachineBtn a:hover {
  opacity: 0.7;
  text-decoration: none;
}

.timeMachineBtn_upper {
  padding-top: 1.6em;
}

.timeMachineBtn-en .timeMachineBtn_upper {
  padding-top: 2.6em;
}

.timeMachineBtn_upper span {
  display: block;
  margin-top: 0.5em;
  font-size: 1rem;
  font-weight: normal;
}

.timeMachineBtn_lower {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  flex-direction: column;
  padding-bottom: 1.7em;
}

.timeMachineBtn_lower i {
  display: block;
  background: url("data:image/svg+xml;base64,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") center no-repeat;
  background-size: 100%;
  width: 20px;
  height: 15px;
  margin-bottom: 0.6em;
  animation: arrow_anim .5s infinite;
}

@keyframes arrow_anim {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

.artTitleSet {
  display: inline;
  opacity: 0;
}

.artTitle {
  position: absolute;
  left: 25px;
  bottom: 12px;
  font-size: 1.2rem;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  visibility: hidden;
}

.artTitle:last-child {
  visibility: visible;
}

.artTitle a {
  color: #fff;
  text-decoration: underline;
}

html[data-states~='no-touch'] .artTitle a:hover {
  text-decoration: none;
}


.g-nav_lv01Btn {
  font-size: 1.8rem;
}

.g-nav_lv01Btn span {
  font-size: 1.3rem;
}

.section {
  padding: 40px 0 45px;
  border-top: 1px solid #505050;
}

.heading {
  margin-bottom: 25px;
  font-size: 2.4rem;
  text-align: center;
}

.heading span {
  display: block;
  margin-top: 0.5em;
  color: #ccc;
  font-size: 1.2rem;
}

.blockMenu {
  display: flex;
  flex-wrap: wrap;
  margin: -10px;
}

.blockMenu a,
.blockMenu_box {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  border: 1px solid #505050;
  background-color: rgba(58, 58, 58, 0.2);
  color: #e8cf82;
  font-size: 1.4rem;
}

.blockMenu_box {
  color: rgba(255, 255, 255, 0.5);
}

html[data-states~='no-touch'] .blockMenu a:hover {
  background-color: #3a3a3a;
  text-decoration: none;
}

.blockMenu_cs > div {
  padding-bottom: 100%;
  height: 0;
  color: #fff;
  background-color: #3a3a3a;
  position: relative;
}

.blockMenu_cs > div > div {
  margin: auto;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blockMenu img,
.blockMenu_cs {
  width: 47.991967871%;
  max-width: 158px;
}

.blockMenu span {
  display: block;
  padding: 20px 10px;
  text-align: center;
}

.blockMenu_lg {
  width: 100%;
}

.blockMenu_lg span {
  flex: 1;
}

.blockMenu_sm {
  position: relative;
  width: calc((100% - 40px) / 2);
}

.blockMenu_sm a {
  position: absolute;
  top: 0;
  left: 0;
  justify-content: center;
}

.blockMenu_sm::before {
  display: block;
  width: 100%;
  height: 0;
  padding-bottom: 100%;
  content: '';
}

.blockMenu > * {
  margin: 10px;
}

.g-footer {
  margin-top: 85px;
}

@media (max-width: 768px) {
  .billboard {
    overflow: hidden;
  }
  .logo {
    width: 178px;
  }
  .description {
    margin: 15px 0 25px;
  }
  .stats {
    margin-top: 30px;
    text-align: right;
  }
}

@media (min-width: 769px) {
  .cover {
    height: 747px;
  }
  .cover_inner {
    padding: 115px 0 0 20px;
  }
  .billboard-en .cover_inner {
    padding-top: 100px;
  }
  .description {
    position: absolute;
    right: 0;
    bottom: 80px;
    left: 0;
    width: 100%;
    max-width: 1180px;
    padding: 0 0 0 20px;
    margin: auto;
    line-height: 1.9;
    pointer-events: none;
  }
  .billboard-en .description {
    bottom: 40px;
  }
  .description p {
    width: 310px;
    pointer-events: all;
  }
  .stats {
    position: absolute;
    top: 75px;
    right: 45px;
  }
  .timeMachineBtn {
    right: 30px;
    bottom: 50px;
  }
  .timeMachineBtn a {
    width: 260px;
    height: 260px;
    font-size: 2.4rem;
  }
  .timeMachineBtn_upper {
    padding-top: 2.5em;
  }
  .timeMachineBtn-en .timeMachineBtn_upper {
    padding-top: 4.2em;
  }
  .timeMachineBtn_upper span {
    font-size: 1.4rem;
  }
  .timeMachineBtn_lower {
    font-size: 1.6rem;
    padding-bottom: 2.3em;
  }
  .timeMachineBtn_lower i {
    width: 30px;
    height: 22px;
    margin-bottom: 1.1em;
  }
  .artTitle {
    left: auto;
    right: 235px;
    bottom: 15px;
    font-size: 1.4rem;
  }
  .g-nav_lv01Item {
    flex: 1;
  }
  .g-nav_lv01Btn {
    height: 130px;
    padding: 0 10px;
  }
  .g-nav_lv01Btn span {
    height: 4rem;
    margin-top: 0.4em;
  }
  .section {
    padding: 65px 0 80px;
  }
  .heading {
    margin-bottom: 40px;
  }
  .blockMenu a,
  .blockMenu_box {
    font-size: 1.8rem;
  }
  .blockMenu img,
  .blockMenu_cs {
    max-width: 239px;
  }
  .blockMenu_lg {
    width: calc((100% - 40px) / 2);
  }
  .blockMenu_sm {
    width: calc((100% - 80px) / 4);
  }
  .g-footer {
    margin-top: 20px;
  }
}