/* ============================================================
   HOME / Instagram セクション
   front-page.php の home-instagram セクション用スタイル
   ============================================================ */

.home-instagram .sec-lead {
  margin-top: 16px;
}

/* ---------- プロフィールカード ---------- */
.home-instagram .insta-profile {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 780px;
  margin: 56px auto 48px;
  padding: 28px 36px;
  background: #fff;
  border: 1px solid rgba(13, 33, 55, 0.08);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 4px 20px rgba(13, 33, 55, 0.04);
}

.home-instagram .insta-profile:hover,
.home-instagram .insta-profile:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(13, 33, 55, 0.1);
  border-color: rgba(176, 144, 42, 0.5);
}

/* アイコン - Instagramのグラデーションリング風 */
.home-instagram .insta-avatar {
  position: relative;
  flex-shrink: 0;
  display: inline-block;
  width: 96px;
  height: 96px;
  padding: 3px;
  border-radius: 50%;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  box-sizing: border-box;
}

.home-instagram .insta-avatar img {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(100% - 6px);
  height: calc(100% - 6px);
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  display: block;
}

/* プロフィール情報 */
.home-instagram .insta-profile-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.home-instagram .insta-handle {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: #0D2137;
  margin: 0;
}

.home-instagram .insta-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #0D2137;
  margin: 0;
}

.home-instagram .insta-bio {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
  margin: 4px 0 0;
}

/* フォローボタン */
.home-instagram .insta-follow {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: opacity 0.3s ease;
}

.home-instagram .insta-follow svg {
  width: 18px;
  height: 18px;
}

.home-instagram .insta-profile:hover .insta-follow,
.home-instagram .insta-profile:focus-visible .insta-follow {
  opacity: 0.9;
}

/* ---------- 投稿グリッド ---------- */
.home-instagram .insta-feed {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.home-instagram .insta-post {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  background: #0D2137;
  text-decoration: none;
}

/* padding-top 100% で正方形を強制（aspect-ratio 非対応ブラウザにも効く） */
.home-instagram .insta-post::before {
  content: "";
  display: block;
  padding-top: 100%;
}

.home-instagram .insta-post img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.home-instagram .insta-post:hover img,
.home-instagram .insta-post:focus-visible img {
  transform: scale(1.06);
}

.home-instagram .insta-post-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 33, 55, 0.55);
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.home-instagram .insta-post-overlay svg {
  width: 40px;
  height: 40px;
}

.home-instagram .insta-post:hover .insta-post-overlay,
.home-instagram .insta-post:focus-visible .insta-post-overlay {
  opacity: 1;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 768px) {
  .home-instagram .insta-profile {
    flex-direction: column;
    text-align: center;
    gap: 16px;
    padding: 24px 20px;
    margin: 40px auto 32px;
  }

  .home-instagram .insta-profile-info {
    align-items: center;
  }

  .home-instagram .insta-avatar {
    width: 88px;
    height: 88px;
  }

  .home-instagram .insta-feed {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .home-instagram .insta-follow span:not([class]) {
    display: none;
  }
  .home-instagram .insta-follow {
    padding: 10px 14px;
  }
}