/* ========== FOLLOW US / Instagram ========== */
.instagram-section {
  background-color: var(--color-dark-2);
  overflow: hidden;
  padding-bottom: 100px;
  padding-right: 60px;
  padding-left: 60px;
}

.instagram-section__inner {
  position: relative;
  max-width: 1600px;
  margin: 0 auto;
}

/* 見出し（画像の上） */
.instagram-section__heading-wrap {
  padding: 40px 0 20px;
}

.instagram-section__heading {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 100px;
  font-weight: 900;
  color: var(--color-white);
  /* letter-spacing: 0.06em; */
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.instagram-section__heading-link {
  display: inherit;
  align-items: inherit;
  gap: inherit;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.instagram-section__heading-link:hover {
  opacity: 0.8;
}

.instagram-section__icon {
  display: flex;
  align-items: center;
}

.instagram-section__icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

/* グリッド：6列 × 2行、266×398px */
.instagram-section__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 15px;
}

.instagram-section__item {
  display: block;
  overflow: hidden;
  aspect-ratio: 266 / 398;
}

.instagram-section__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: opacity 0.3s;
}

.instagram-section__item:hover img {
  opacity: 0.85;
}

/* ========== Tablet（1024px以下）: 4列 × 3行 ========== */
@media (max-width: 1024px) {
  .instagram-section__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .instagram-section__heading {
    font-size: 36px;
  }
}

/* ========== Mobile（768px以下）: 3列 × 4行 ========== */
@media (max-width: 768px) {
  .instagram-section {
    padding-bottom: 48px;
    padding-left: 0;
    padding-right: 0;
  }

  .instagram-section__inner {
    padding: 0 16px;
  }

  .instagram-section__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .instagram-section__heading {
    font-size: 24px;
  }

  .instagram-section__heading-wrap {
    padding: 24px 0 12px;
  }

  .instagram-section__icon img {
    width: 50px;
    height: 50px;
  }
}