.sbdc-wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.sbdc-header {
  text-align: center;
  margin-bottom: 36px;
}

.sbdc-title {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
}

.sbdc-description {
  margin: 0 0 24px;
  color: #666;
  text-align: center;
}

.sbdc-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 0 44px;
}

.sbdc-filter-button {
  min-height: 42px;
  padding: 8px 17px;
  border: 1px solid #d7d7d7;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.sbdc-filter-button:hover,
.sbdc-filter-button[aria-pressed="true"] {
  border-color: #f2b705;
  background: #f2b705;
  color: #151515;
}

.sbdc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 38px 18px;
  align-items: start;
}

.sbdc-sound-card {
  min-width: 0;
  text-align: center;
}

.sbdc-sound-card[hidden] {
  display: none !important;
}

.sbdc-sound-button {
  position: relative;
  display: block;
  width: min(154px, 92%);
  aspect-ratio: 1;
  margin: 0 auto;
  padding: 0;
  overflow: visible;
  border: 0 !important;
  border-radius: 50% !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: 2px solid transparent;
  outline-offset: 3px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.sbdc-sound-button:hover,
.sbdc-sound-button.is-playing {
  outline-color: #f2b705;
  background: transparent !important;
  box-shadow: none !important;
}

.sbdc-sound-button img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity .06s linear;
  user-select: none;
  pointer-events: none;
}

.sbdc-button-down,
.sbdc-sound-button.is-playing .sbdc-button-up {
  opacity: 0;
}

.sbdc-sound-button.is-playing .sbdc-button-down {
  opacity: 1;
}

.sbdc-sound-button:focus-visible {
  outline: 3px solid #f2b705;
  outline-offset: 5px;
  border-radius: 50%;
}

.sbdc-sound-name {
  margin: 14px 0 4px;
  font-size: 1rem;
  line-height: 1.35;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.sbdc-page-link {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #f2b705;
  color: #151515;
  font-size: 1.65rem;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 3px 0 #bd8f00;
  transition: transform .15s ease, box-shadow .15s ease;
}

.sbdc-page-link:hover {
  background: #f2b705;
  color: #151515;
  transform: translateY(2px);
  box-shadow: 0 1px 0 #bd8f00;
}

.sbdc-filter-empty { text-align: center; color: #666; }

.sbdc-empty {
  padding: 36px;
  border: 1px dashed #ccc;
  text-align: center;
  color: #666;
}

.sbdc-single {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 80px;
  text-align: center;
}

.sbdc-ad-space {
  min-height: 100px;
  margin-bottom: 48px;
}

.sbdc-single .sbdc-sound-button {
  width: min(220px, 70vw);
}

.sbdc-single-title {
  margin: 28px 0 8px;
  font-size: clamp(1.7rem, 5vw, 2.6rem);
}

.sbdc-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.sbdc-download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  margin-top: 24px;
  padding: 12px 24px;
  border-radius: 8px;
  background: #f2b705;
  color: #151515;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 0 #bd8f00;
  transition: transform .12s ease, box-shadow .12s ease;
}

.sbdc-download-button:hover {
  color: #151515;
  transform: translateY(2px);
  box-shadow: 0 2px 0 #bd8f00;
}

.sbdc-back {
  display: inline-block;
  margin-top: 34px;
  color: inherit;
}

@media (max-width: 520px) {
  .sbdc-wrap { width: min(100% - 22px, 1180px); padding-top: 30px; }
  .sbdc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 8px; }
  .sbdc-sound-button { width: min(138px, 94%); }
  .sbdc-sound-name { font-size: .92rem; }
}

@media (prefers-reduced-motion: reduce) {
  .sbdc-sound-button img,
  .sbdc-page-link,
  .sbdc-download-button { transition: none; }
}