.line-floating-banner {
  position: fixed;
  top: calc(var(--header-height, 140px) + 12px);
  right: 12px;
  z-index: 9999;
  width: clamp(300px, 32vw, 480px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
  pointer-events: none;
}

.line-floating-banner.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.line-floating-banner__inner {
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  overflow: hidden;
}

.line-floating-banner__close {
  position: absolute;
  top: auto;
  bottom: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: #333;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 1;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  appearance: none;
  -webkit-appearance: none;
}

.line-floating-banner__link,
.line-floating-banner__link img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 767px) {
  .line-floating-banner {
    top: calc(var(--header-height, 80px) + 8px);
    right: 8px;
    width: clamp(260px, 75vw, 340px);
  }

  .line-floating-banner__close {
    bottom: 6px;
    right: 6px;
    width: 28px;
    height: 28px;
    font-size: 18px;
  }
}