.main-content {
  padding: 0 0 30%;
}

.header {
  background: url(../img/sp_main_visual.jpg) 50% 50% no-repeat;
  background-size: cover;
}

.header__release {
  height: 5.20833%;
  right: 0;
}

.header .btn_addmusic {
  bottom: -4%;
  height: 15.625%;
  right: 0;
  max-width: 960px;
}

.logo {
  width: 45.09259vh;
  height: 28.42593vh;
  top: 4%;
}

.header-rat {
  width: 36.38889%;
  padding-bottom: 29.02778%;
  bottom: 25%;
  right: -6%;
}

.silver-button {
  display: none;
  bottom: 9%;
  right: 1%;
}

.btn-about {
  width: 79.44444%;
  padding-bottom: 57.96296%;
  top: 75%;
  left: -15.5%;
}

.information {
  margin-top: 5%;
}

.swiper-container {
  width: calc(100% - 20%);
  padding-bottom: 74%;
}

.swiper-slide {
  border: 15px solid #afadb0;
}

.swiper-button-prev, .swiper-button-next {
  width: 6.5%;
  height: 0;
  padding-bottom: 65%;
  -webkit-transform: translate(0, -44%);
          transform: translate(0, -44%);
}

.news-card__text {
  font-size: 1.2em;
}

.anim-rat-normal-dash {
  width: 49.44444%;
  padding-bottom: 21.66667%;
  -webkit-animation-duration: 2.0s;
          animation-duration: 2.0s;
}