#sumairu-site-bgm.sumairu-bgm {
  position: fixed;
  left: max(15px, env(safe-area-inset-left));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 2147483000;
  width: max-content;
  max-width: calc(100vw - 30px);
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  line-height: normal;
}
#sumairu-site-bgm .sumairu-bgm__toggle {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
  padding: 10px 16px;
  min-height: 56px;
  max-width: 100%;
  color: #fff;
  background: #373b42;
  box-shadow: 0 5px 18px rgba(0,0,0,.24);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}
#sumairu-site-bgm .sumairu-bgm__toggle:hover { background: #474b53; transform: translateY(-1px); }
#sumairu-site-bgm .sumairu-bgm__toggle:focus-visible { outline: 3px solid #f79b4c; outline-offset: 3px; }
#sumairu-site-bgm .sumairu-bgm__symbol {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex: 0 0 35px;
  height: 35px;
  width: 35px;
  border-radius: 50%;
  background: #ef7b24;
  color: #fff;
  font: 700 16px/1 sans-serif;
}
#sumairu-site-bgm .sumairu-bgm__text { display: flex; flex-direction: column; min-width: 0; gap: 3px; }
#sumairu-site-bgm .sumairu-bgm__title { font-size: 12px; font-weight: 700; white-space: nowrap; letter-spacing: .025em; }
#sumairu-site-bgm .sumairu-bgm__subtitle { font-size: 11px; font-weight: 400; opacity: .88; white-space: nowrap; }
#sumairu-site-bgm .sumairu-bgm__toggle[aria-pressed="true"] .sumairu-bgm__symbol { background: #d96b16; }
@media (max-width: 420px) {
  #sumairu-site-bgm.sumairu-bgm { left: max(10px, env(safe-area-inset-left)); bottom: max(12px, env(safe-area-inset-bottom)); }
  #sumairu-site-bgm .sumairu-bgm__toggle { padding: 9px 11px; gap: 8px; min-height: 50px; }
  #sumairu-site-bgm .sumairu-bgm__symbol { width: 32px; height: 32px; flex-basis: 32px; }
  #sumairu-site-bgm .sumairu-bgm__title { font-size: 11px; }
  #sumairu-site-bgm .sumairu-bgm__subtitle { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  #sumairu-site-bgm .sumairu-bgm__toggle { transition: none; }
}