/* Design_strengths / SP_Design_strengths */
.strengths-content {
  display: flex;
  flex-direction: column;
  gap: 80px;
  margin-top: 64px;
}
.strengths-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 480px);
  align-items: center;
  gap: 80px;
}
.strengths-intro-copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.strengths-intro h2 {
  color: var(--green);
}
.strengths-intro-image {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
}
.strengths-initiatives {
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.strengths-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  min-width: 0;
}
.strengths-item-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.strengths-label {
  color: var(--green-dark);
}
.strengths-gallery {
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  scroll-snap-type: x proximity;
}
.strengths-gallery:focus-visible {
  outline: 3px solid var(--green-dark);
  outline-offset: 5px;
}
.strengths-gallery-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.strengths-gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  scroll-snap-align: start;
}
.strengths-app-gallery .strengths-gallery-track {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.strengths-app-gallery img {
  border: 1px solid var(--text);
}
.strengths-item .button {
  font-weight: 400;
}
.strengths-cta {
  text-align: center;
}
.strengths-cta .button {
  min-height: 62px;
}
@media (min-width: 768px) and (max-width: 1199px) {
  .strengths-intro {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 40px;
  }
}
@media (max-width: 767px) {
  .strengths-content {
    gap: 64px;
    margin-top: 40px;
  }
  .strengths-intro {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 40px;
  }
  .strengths-gallery-track {
    width: 643px;
    gap: 8px;
  }
  .strengths-app-gallery .strengths-gallery-track {
    width: 682px;
  }
  .strengths-belca-copy {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .strengths-belca .button {
    width: 100%;
    margin-top: 8px;
    padding: 16px 32px;
    line-height: 1.75;
  }
  .strengths-cta .button {
    width: 100%;
    padding-block: 16px;
  }
}

@media (min-width: 1440px) {
  .strengths-intro {
    grid-template-columns: minmax(0, 1fr) minmax(
        0,
        clamp(480px, 33.333vw, 600px)
      );
  }
}

/* ホームと同じ写真幅・間隔・40秒周期を使い、横一列に流す。 */
.strengths-drone-loop { width: 100%; }
.strengths-drone-loop .hero-track { left: 0; }
.strengths-drone-loop .hero-track img { margin-top: 0; }
@media (prefers-reduced-motion: reduce) {
  .strengths-drone-loop { overflow-x: auto; }
  .strengths-drone-loop .hero-sequence[aria-hidden="true"] { display: none; }
}