/* ============================================================
   UniCube Instagram フィードセクション
   参照: docs/インスタ連携/シロフクコーヒー.png
   ============================================================ */

/* ----- セクション全体 ----- */
.unicube-instagram-section {
    padding: 48px 16px;
}

/* ----- 見出し（「写真 / Photo」＋左右ライン） ----- */
.unicube-instagram-section__heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.unicube-instagram-section__line {
    flex: 1;
    height: 1px;
    background-color: #ccc;
    display: block;
}

.unicube-instagram-section__heading-text {
    text-align: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.unicube-instagram-section__sub {
    display: block;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: #888;
    margin-bottom: 2px;
}

.unicube-instagram-section__main {
    display: block;
    font-size: 22px;
    letter-spacing: 0.18em;
    color: #333;
    font-weight: 400;
}

/* ----- 投稿グリッド ----- */
.unicube-instagram-feed-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    /* スマホ: 3列 */
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

/* スマホ: 3列3行(9件)を超える投稿を非表示 */
@media (max-width: 767px) {
    .unicube-instagram-feed-item:nth-child(n+10) {
        display: none;
    }
}

@media (min-width: 768px) {
    /* タブレット/デスクトップ: 5列 */
    .unicube-instagram-feed-list {
        grid-template-columns: repeat(5, 1fr);
    }
}

.unicube-instagram-feed-item {
    position: relative;
    overflow: hidden;
}

/* 正方形のアスペクト比を保持 */
.unicube-instagram-feed-item::before {
    content: '';
    display: block;
    padding-top: 100%;
}

.unicube-instagram-feed-item a {
    position: absolute;
    inset: 0;
    display: block;
}

.unicube-instagram-feed-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.2s;
}

.unicube-instagram-feed-item a:hover video {
    opacity: 0.85;
}

.unicube-instagram-feed-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.2s;
}

.unicube-instagram-feed-item a:hover img {
    opacity: 0.85;
}

/* ----- 「もっと見る」ボタン ----- */
.unicube-instagram-feed-more-wrap {
    text-align: center;
    margin-top: 24px;
}

.unicube-instagram-feed-more {
    display: inline-block;
    padding: 12px 64px;
    border: 1px solid #555;
    border-radius: 100px;
    background: transparent;
    color: #555;
    font-size: 13px;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.unicube-instagram-feed-more:hover:not(:disabled) {
    background-color: #555;
    color: #fff;
}

.unicube-instagram-feed-more:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ----- 状態メッセージ ----- */
.unicube-instagram-feed-loading,
.unicube-instagram-feed-error,
.unicube-instagram-feed-empty {
    text-align: center;
    padding: 32px 16px;
    color: #aaa;
    font-size: 13px;
}