/* ================================
   共通: Category Banner と Filter Bar
=================================*/
.category-banner-wrapper,
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin: 20px 0;
}

.category-banner-item,
.filter-item,
.filter-bar a {
    display: inline-block;
    background-color: #f5f5f5;
    color: #333;
    padding: 12px 20px;
    /* border-radius: 8px; */
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.category-banner-item.active,
.filter-item.active,
.filter-bar a.active {
    /* background-color: #333; */
    border:solid 1px #000;
    color: #fff;
}

.category-banner-item:hover,
.filter-item:hover,
.filter-bar a:hover {
        transform: translateY(-2px);

}





/* レスポンシブ共通 */
@media (max-width: 1024px) {
    .category-banner-item,
    .filter-item,
    .filter-bar a {
        flex: 1 1 45%;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .category-banner-item,
    .filter-item,
    .filter-bar a {
        flex: 1 1 100%;
        text-align: center;
    }
}

/* ================================
   記事一覧・カード
=================================*/
.post-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 30px;   
    align-items: start;
}

.post-card {
    display: flex;
    flex-direction: column;
    gap:10px;
    width: 100%;
    box-sizing: border-box;
    background: #fff;
    /* border-radius: 12px; */
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    border:     1px solid #000; 
    transition: 0.3s;
    margin-bottom: 25px;
}

.posts-wrapper h2{
    margin-bottom: 10px;
    font-size: 30px;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.post-card a {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.post-card img {
    width: 100%;
    height: auto;
    display: block;
}

.post-date {
    font-size: 12px;
    color: #888;
    padding: 0px 10px;
}

.post-card h3 {
    font-size: 16px;
    padding: 0px 10px;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
}

.post-label {
    font-size: 12px;
    color: #fff;
    background: #333;
    display: inline-block;
    padding: 4px 10px;
}

/* レスポンシブ記事一覧 */
@media (max-width: 1024px) {
    .post-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .post-list { grid-template-columns: 1fr; }

    .post-list {
    gap: 5px;
}

.category-banner-wrapper {
    display: flex;
    flex-wrap: wrap;       /* 横に並べ、入り切らなければ改行する */
    align-items: flex-start; /* ←【重要】これで縦・横の引き伸ばしを防止する */
    gap: 10px;
}

.category-banner-wrapper a {
    display: inline-block   !important;;
    width: auto !important;
    max-width: max-content !important;        /* 中身の幅に合わせる */
}
}