.rr-ja-lang {
  position: fixed;
  right: 18px;
  top: 88px;
  z-index: 2147483647;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  background: rgba(5, 7, 10, .86);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .34);
  backdrop-filter: blur(14px);
}

.rr-ja-lang span,
.rr-ja-lang a,
.rr-ja-switch {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: Montserrat, "Noto Sans JP", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.rr-ja-lang span,
.rr-ja-lang a {
  padding: 0 12px;
}

.rr-ja-lang span {
  min-width: 38px;
  color: rgba(246, 251, 255, .7);
}

.rr-ja-lang a {
  min-width: 76px;
  background: #f6fbff;
  color: #05070a;
}

.rr-ja-lang a:hover {
  background: #00d5ff;
  color: #001018;
}

.rr-ja-switch {
  position: fixed;
  right: 18px;
  top: 88px;
  z-index: 2147483647;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .22);
  background: #f6fbff;
  color: #05070a;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .34);
}

.rr-ja-switch:hover {
  background: #00d5ff;
  color: #001018;
}

@media (max-width: 640px) {
  .rr-ja-lang,
  .rr-ja-switch {
    top: 76px;
    right: 12px;
  }

  .rr-ja-lang a {
    min-width: 70px;
  }
}