.mobile-floating-cta {
  display: none;
}

@media (max-width: 767px) {
  .mobile-floating-cta {
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    left: 16px;
    z-index: 90;
    display: flex;
    justify-content: center;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 250ms ease, transform 250ms ease;
  }

  .mobile-floating-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-floating-cta__link {
    display: flex;
    width: min(100%, 398px);
    min-height: 56px;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 12px 24px;
    border: 1px solid rgba(201, 169, 98, 0.5);
    border-radius: 999px;
    background: var(--navy, #0a1628);
    box-shadow: 0 5px 18px rgba(6, 14, 26, 0.18);
    color: #f6f2eb;
    font-family: var(--sans, "Noto Sans JP", sans-serif);
    font-size: 0.96rem;
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: 0.05em;
    text-decoration: none;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-floating-cta__link:focus-visible {
    outline: 3px solid var(--gold-light, #e2c98f);
    outline-offset: 3px;
  }

  .mobile-floating-cta__icon {
    position: relative;
    display: inline-flex;
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    align-items: center;
    justify-content: center;
  }

  .mobile-floating-cta__icon::before {
    position: absolute;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 250, 238, 0.42);
    box-shadow: 0 0 18px rgba(226, 201, 143, 0.5);
    content: "";
    opacity: 0;
    transform: scale(1);
  }

  .mobile-floating-cta.is-ready .mobile-floating-cta__icon::before {
    animation: mobile-cta-soft-glow 14s ease-in-out infinite;
  }

  .mobile-floating-cta__icon svg {
    position: relative;
    z-index: 1;
    width: 20px;
    height: 20px;
    opacity: 0.82;
  }

  .mobile-floating-cta.is-ready .mobile-floating-cta__icon svg {
    animation: mobile-cta-icon-glow 14s ease-in-out infinite;
  }
}

@keyframes mobile-cta-soft-glow {
  0%, 12%, 24%, 100% {
    opacity: 0.1;
    transform: scale(1);
  }
  6%, 18% {
    opacity: 0.8;
    transform: scale(1.16);
  }
}

@keyframes mobile-cta-icon-glow {
  0%, 12%, 24%, 100% {
    filter: drop-shadow(0 0 0 rgba(255, 250, 238, 0));
    opacity: 0.82;
  }
  6%, 18% {
    filter: drop-shadow(0 0 4px rgba(255, 250, 238, 0.9));
    opacity: 1;
  }
}

@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  .mobile-floating-cta {
    transform: none;
    transition: none;
  }

  .mobile-floating-cta.is-ready .mobile-floating-cta__icon::before {
    animation: none;
    opacity: 0.16;
    transform: none;
  }

  .mobile-floating-cta.is-ready .mobile-floating-cta__icon svg {
    animation: none;
    filter: none;
    opacity: 1;
  }
}