/* POSレジ関連記事のスタイル */
.posregi-articles {
    margin: 30px 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.posregi-articles h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #0056b3;
    padding-bottom: 10px;
}

.posregi-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3列グリッド */
    gap: 20px;
    margin-bottom: 20px;
}

.posregi-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: #fff;
    height: 100%;
}

.posregi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.card-image {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9のアスペクト比 */
    background-color: #f0f0f0;
    overflow: hidden;
}

.post-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card-link:hover .post-thumbnail {
    transform: scale(1.05);
}

.card-image-default {
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.default-image-placeholder {
    width: 40%;
    height: 40%;
    background-color: #ccc;
    border-radius: 8px;
}

.card-content {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.4;
    color: #333;
    font-weight: 600;
    /* 2行で省略 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 2.8em; /* 2行分の高さ */
}

.card-btn-container {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.read-more-btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #0056b3;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s ease, transform 0.2s ease;
    text-align: center;
    min-width: 100px;
}

.card-link:hover .read-more-btn {
    background-color: #003d7a;
}

.view-all {
    text-align: right;
    margin-top: 10px;
}

.view-all a {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0056b3;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.view-all a:hover {
    background-color: #003d7a;
}

/* レスポンシブ対応 */
@media screen and (max-width: 992px) {
    .posregi-card-grid {
        grid-template-columns: repeat(2, 1fr); /* 2列グリッド */
    }
}

@media screen and (max-width: 768px) {
    .posregi-articles {
        padding: 15px;
    }
    
    .posregi-articles h3 {
        font-size: 18px;
    }
    
    .posregi-card-grid {
        gap: 15px;
    }
}

@media screen and (max-width: 576px) {
    .posregi-card-grid {
        grid-template-columns: 1fr; /* 1列グリッド */
    }
    
    .card-title {
        font-size: 15px;
        text-align: center;
    }
    
    .read-more-btn {
        width: 100%;
    }
}