.header_menu {
  position: relative;
}

/* SP時のsnsアイコンのスタイル */
ul.snslist {
  padding-top: 0;
  padding-left: 0;
}

@media screen and (max-width: 768px) {
  ul.snslist {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    column-gap: 1.5rem;
    row-gap: 0;
    max-width: 7rem;
  }
  ul.snslist li a {
    width: 2.7rem;
  }
  ul.snslist li:nth-of-type(2n) a:before {
    width: 15px;
    left: 0px;
  }

  ul.snslist i {
    font-size: 1.3rem;
    display: grid;
    place-items: center;
  }
}
/* SP時のsnsアイコンのスタイル */
@media screen and (max-width: 768px) {
  .header_sns ul {
    display: flex;
    flex-direction: row;
    column-gap: clamp(0.5rem, 6vw, 1.5rem);
    margin-top: 1rem;
    margin-left: 2px;
  }

  .header_sns ul li a:hover {
    color: var(--sub_color);
  }

  .header_sns ul i {
    font-size: 1.3rem;
  }
}

.artist {
  height: 720px;
}

@media screen and (max-width: 768px) {
  .artist .artist_list {
    margin: 30px auto !important;
  }
  .artist {
    height: 750px;
  }
  .concept .concept_img {
    height: 360px;
  }
  .mv .mv_catch img {
    width: 560px;
    margin: 250px 0 0 -50%;
  }
}