/* ONE SONG top: compact listen bridge, Business palette, and video grid. */
#onesong-top .os-listen-bridge {
  padding: 58px 0;
  color: #fff;
  background: linear-gradient(135deg, #342a35 0%, #211b22 100%);
}

#onesong-top .os-listen-bridge__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  max-width: 1040px;
}

#onesong-top .os-listen-bridge__copy { max-width: 700px; }

#onesong-top .os-listen-bridge__copy h2 {
  margin: 5px 0 10px;
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.5;
}

#onesong-top .os-listen-bridge__copy > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.9;
}

#onesong-top .os-listen-bridge .os-btn { flex: 0 0 auto; }

#onesong-top .os-bizband {
  background: linear-gradient(135deg, #102f4a 0%, #17658b 62%, #2285ad 100%);
}

#onesong-top .os-bizband__label { color: #b9e8f8; }
#onesong-top .os-bizband__title em { color: #aee4f7; }
#onesong-top .os-bizband__cta { color: #17658b; }

#onesong-top .os-youtube-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 1120px;
  margin: 0 auto;
}

@media (max-width: 820px) {
  #onesong-top .os-youtube-grid {
    display: flex;
    gap: 14px;
    max-width: none;
    margin: 0 -18px;
    padding: 0 18px 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  #onesong-top .os-youtube-card {
    flex: 0 0 min(82vw, 430px);
    scroll-snap-align: start;
  }
}

@media (max-width: 760px) {
  #onesong-top .os-listen-bridge { padding: 46px 0; }

  #onesong-top .os-listen-bridge__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }
}