.store-music {
  position: fixed;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 41;
  max-width: calc(100vw - 32px);
}
.store-music__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 18px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  background: #fff;
  color: var(--blue);
  box-shadow: 0 4px 20px #14203b20;
  font-size: .875rem;
  font-weight: 700;
  line-height: 1.5;
}
.store-music__button:hover { background: var(--yellow); }
.store-music__button[aria-pressed="true"] {
  background: var(--blue);
  color: #fff;
}
.store-music__icon { width: 18px; font-size: 20px; line-height: 1; text-align: center; }
.store-music__notice {
  max-width: 245px;
  margin-bottom: 10px;
  padding: 10px 14px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 4px 20px #14203b20;
  font-size: .875rem;
}
footer { padding-bottom: max(88px, env(safe-area-inset-bottom)); }
@media (max-width: 760px) {
  .store-music {
    right: max(16px, env(safe-area-inset-right));
    bottom: calc(80px + env(safe-area-inset-bottom));
  }
  .store-music__button { padding: 10px 15px; }
  footer { padding-bottom: calc(168px + env(safe-area-inset-bottom)); }
}
@media print { .store-music { display: none; } }