.kashiwazaki-related-posts {
    margin: 15px 0;
    padding: 15px;
    background: #fdfdfd;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
}

.kashiwazaki-related-posts-title {
    margin: 0 0 12px 0;
    font-size: 1.1em;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid var(--kashiwazaki-primary-color, #007cba);
    padding-bottom: 6px;
}

.kashiwazaki-related-posts-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kashiwazaki-related-post-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: white;
    border: 1px solid #e8e8e8;
    border-radius: 5px;
    transition: all 0.2s ease;
}

.kashiwazaki-related-post-item:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.kashiwazaki-related-post-thumbnail {
    flex-shrink: 0;
}

.kashiwazaki-related-post-thumbnail img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
}

.kashiwazaki-related-post-content {
    flex: 1;
}

.kashiwazaki-related-post-title {
    margin: 0 0 6px 0;
    font-size: 0.95em;
    font-weight: 600;
    line-height: 1.3;
}

.kashiwazaki-related-post-title a {
    color: #2c3e50;
    text-decoration: none;
}

.kashiwazaki-related-post-title a:hover {
    color: var(--kashiwazaki-primary-color, #007cba);
    text-decoration: none;
}

.kashiwazaki-related-post-date {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 5px;
}

.kashiwazaki-related-post-excerpt {
    font-size: 0.95em;
    color: #555;
    line-height: 1.4;
}

.kashiwazaki-related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.kashiwazaki-related-post-grid-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.kashiwazaki-related-post-grid-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kashiwazaki-related-post-grid-item .kashiwazaki-related-post-thumbnail img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.kashiwazaki-related-post-grid-item .kashiwazaki-related-post-content {
    padding: 15px;
}

.kashiwazaki-related-posts-simple-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kashiwazaki-related-post-list-item {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.kashiwazaki-related-post-list-item:last-child {
    border-bottom: none;
}

.kashiwazaki-related-post-list-item a {
    color: #007cba;
    text-decoration: none;
    font-weight: 500;
}

.kashiwazaki-related-post-list-item a:hover {
    text-decoration: underline;
}

.kashiwazaki-related-posts-minimal {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.kashiwazaki-related-post-minimal-link {
    display: inline-block;
    padding: 8px 12px;
    background: #007cba;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
    transition: background-color 0.2s ease;
}

.kashiwazaki-related-post-minimal-link:hover {
    background: #005a87;
    color: white;
}

.kashiwazaki-related-posts-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.kashiwazaki-related-post-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kashiwazaki-related-post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.kashiwazaki-related-post-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.kashiwazaki-related-post-card-image img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.kashiwazaki-related-post-card-content {
    padding: 15px;
}

.kashiwazaki-related-post-card-title {
    margin: 0 0 8px 0;
    font-size: 1.05em;
    color: #333;
}

.kashiwazaki-related-post-card-date {
    font-size: 0.85em;
    color: #666;
    margin-bottom: 8px;
}

.kashiwazaki-related-post-card-excerpt {
    font-size: 0.9em;
    color: #555;
    line-height: 1.4;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-thumbnail img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-title {
    margin: 0 0 5px 0;
    font-size: 0.95em;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-title a {
    color: #007cba;
    text-decoration: none;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-title a:hover {
    text-decoration: underline;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-date {
    font-size: 0.8em;
    color: #666;
    margin-bottom: 3px;
}

.kashiwazaki-related-posts-widget .kashiwazaki-related-post-widget-excerpt {
    font-size: 0.85em;
    color: #555;
    line-height: 1.3;
}

/* スライダー */
.kashiwazaki-related-posts-slider {
    position: relative;
    margin: 15px 0;
}

.kashiwazaki-slider-container {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
}

.kashiwazaki-slider-track {
    display: flex;
    transition: transform 0.3s ease;
    gap: 0;
}

.kashiwazaki-slider-item {
    flex: none;
    margin-right: 10px;
    background: white;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kashiwazaki-slider-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
}

.kashiwazaki-slider-image img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.kashiwazaki-slider-content {
    padding: 10px;
}

.kashiwazaki-slider-title {
    margin: 0 0 6px 0;
    font-size: 0.9em;
    font-weight: 600;
    line-height: 1.3;
}

.kashiwazaki-slider-title a {
    color: #2c3e50;
    text-decoration: none;
    display: block;
}

.kashiwazaki-slider-title a:hover {
    color: var(--kashiwazaki-primary-color, #007cba);
}

.kashiwazaki-slider-date {
    font-size: 0.75em;
    color: #888;
    margin-bottom: 6px;
}

.kashiwazaki-slider-excerpt {
    font-size: 0.8em;
    color: #666;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kashiwazaki-slider-prev,
.kashiwazaki-slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(44, 62, 80, 0.8);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kashiwazaki-slider-prev:hover,
.kashiwazaki-slider-next:hover {
    background: var(--kashiwazaki-primary-color, #007cba);
    transform: translateY(-50%) scale(1.1);
}

.kashiwazaki-slider-prev {
    left: 8px;
}

.kashiwazaki-slider-next {
    right: 8px;
}

/* カラーテーマ */
.kashiwazaki-related-posts.theme-blue {
    --kashiwazaki-primary-color: #007cba;
    --kashiwazaki-hover-color: #005a87;
}

.kashiwazaki-related-posts.theme-orange {
    --kashiwazaki-primary-color: #ff7f50;
    --kashiwazaki-hover-color: #ff6347;
}

.kashiwazaki-related-posts.theme-green {
    --kashiwazaki-primary-color: #27ae60;
    --kashiwazaki-hover-color: #219a52;
}

.kashiwazaki-related-posts.theme-purple {
    --kashiwazaki-primary-color: #8e44ad;
    --kashiwazaki-hover-color: #7d3c98;
}

.kashiwazaki-related-posts.theme-red {
    --kashiwazaki-primary-color: #e74c3c;
    --kashiwazaki-hover-color: #c0392b;
}

/* テーマ適用 */
.kashiwazaki-related-posts .kashiwazaki-related-post-title a:hover,
.kashiwazaki-related-posts .kashiwazaki-related-post-list-item a:hover,
.kashiwazaki-related-posts .kashiwazaki-related-post-minimal-link:hover,
.kashiwazaki-related-posts .kashiwazaki-slider-title a:hover {
    color: var(--kashiwazaki-primary-color, #007cba) !important;
}

.kashiwazaki-related-posts .kashiwazaki-related-post-minimal-link {
    background: var(--kashiwazaki-primary-color, #007cba);
}

.kashiwazaki-related-posts .kashiwazaki-related-post-minimal-link:hover {
    background: var(--kashiwazaki-hover-color, #005a87);
}

@media (max-width: 768px) {
    .kashiwazaki-related-posts-grid {
        grid-template-columns: 1fr;
    }

    .kashiwazaki-related-posts-cards {
        grid-template-columns: 1fr;
    }

    .kashiwazaki-related-post-item {
        flex-direction: column;
    }

    .kashiwazaki-related-post-thumbnail img {
        width: 100%;
        height: 120px;
    }

    .kashiwazaki-slider-item {
        min-width: 250px;
    }

    .kashiwazaki-slider-prev,
    .kashiwazaki-slider-next {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}