.hero {
  grid-template-columns: 1.12fr .88fr;
  gap: 5vw;
}

.hero h1 {
  font-size: clamp(2.45rem, 4.35vw, 4.75rem);
}

.hero-line {
  display: block;
  width: max-content;
  white-space: nowrap;
}

.hero h1 .hero-line {
  background: none;
}

.hero h1 .hero-line.accent {
  background: linear-gradient(transparent 66%, var(--pink) 0);
}

.case-slider {
  position: relative;
  width: min(520px, 88%);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 4px solid var(--ink);
  border-radius: 28px;
  background: #fff;
  box-shadow: 16px 16px 0 var(--blue);
  transform: rotate(2deg);
}

.case-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .55s ease;
}

.case-slide.active {
  opacity: 1;
  visibility: visible;
}

.case-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-slide figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 12px 16px;
  border: 3px solid var(--ink);
  border-radius: 16px;
  background: rgba(255, 255, 255, .94);
  font-weight: 900;
  line-height: 1.3;
}

.case-slide figcaption span {
  display: block;
  color: #28715c;
  font-size: .72rem;
  letter-spacing: .12em;
}

.slider-arrow {
  position: absolute;
  z-index: 3;
  top: 50%;
  width: 44px;
  height: 44px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  font-weight: 900;
  cursor: pointer;
  transform: translateY(-50%);
}

.slider-arrow:hover { background: var(--pink); }
.slider-arrow.prev { left: 12px; }
.slider-arrow.next { right: 12px; }

.slider-dots {
  position: absolute;
  z-index: 3;
  bottom: 88px;
  left: 50%;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}

.slider-dots button {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.slider-dots button.active { background: var(--pink); }
.hero-visual .visual-bubble { z-index: 4; }

@media (max-width: 1100px) and (min-width: 961px) {
  .hero { grid-template-columns: 1.2fr .8fr; gap: 3vw; }
  .hero h1 { font-size: 3.1rem; }
  .case-slider { width: 94%; }
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .case-slider { height: 500px; }
}

@media (max-width: 620px) {
  .hero h1 { font-size: clamp(1.9rem, 8vw, 2.65rem); }
  .case-slider { width: 82%; height: auto; box-shadow: 10px 10px 0 var(--blue); }
  .case-slide figcaption { right: 12px; bottom: 14px; left: 12px; font-size: .82rem; }
  .slider-dots { bottom: 78px; }
  .slider-arrow { width: 38px; height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  .case-slide { transition: none; }
}