/* ==========================================================================
   collab.css — 起業家甲子園 連携大会告知
   ========================================================================== */

.opg-collab-toast {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 90;
  width: min(320px, calc(100vw - 32px));
}
.opg-collab-toast[hidden] {
  display: none !important;
}

.opg-collab-toast__card {
  overflow: hidden;
  background: var(--opg-paper);
  border: 1px solid rgba(22, 112, 184, 0.22);
  box-shadow:
    0 18px 40px rgba(10, 10, 20, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.4) inset;
  animation: opg-collab-toast-in 0.55s both cubic-bezier(0.22, 1, 0.36, 1);
}

.opg-collab-toast__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px 8px 14px;
}

.opg-collab-toast__kicker {
  margin: 0;
  padding-left: 8px;
  border-left: 3px solid var(--opg-logo-blue-deep);
  color: var(--opg-logo-blue-deep);
  font-size: var(--opg-text-xs);
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

.opg-collab-toast__close {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--opg-ink-mute);
  font-size: 20px;
  line-height: 1;
  background: transparent;
}

.opg-collab-toast__close:hover {
  color: var(--opg-ink);
  background: var(--opg-paper-2);
}

.opg-collab-toast__close:focus-visible {
  outline: 2px solid var(--opg-logo-blue-deep);
  outline-offset: 2px;
}

.opg-collab-toast__link {
  display: block;
  color: var(--opg-ink);
}

.opg-collab-toast__link img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}

.opg-collab-toast__caption {
  display: block;
  padding: 10px 14px 12px;
  background: #fff;
  color: var(--opg-ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
}

.opg-collab-toast__link:hover .opg-collab-toast__caption {
  color: var(--opg-logo-blue-deep);
}

@keyframes opg-collab-toast-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  .opg-collab-toast {
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .opg-collab-toast__card {
    animation: none;
  }
}