.st-page-title {
    font-size: 1px;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.st-wk-subtitle {
    width: 90%;
    margin: 0 auto;
}

.st-wk-container {
    display: flex;
    flex-direction: row;
    padding: 2rem;
    gap: 3rem;
    flex-wrap: wrap;
    width: 95%;
    margin: 0 auto;
}

.st-wk-main {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 2列 */
    gap: 2rem;
}

/*.st-wk-sidebar {
    flex: 1;
    background-color: #f5f6f7;
}*/

.st-wk-card {
    background: rgba(255, 255, 255, 0);
    border: 1px solid #ccc;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    overflow: hidden;
    display: none; /* 初期は非表示でJS制御に任せる */
}

.st-wk-img-box {
    position: relative;
    width: 100%;
    max-height: 250px; /* 任意の固定高さ */
    overflow: hidden;
}

    .st-wk-img-box img {
        width: 100%;
        height: 100%;
        object-fit: cover; /* 中央切り取り表示 */
        display: block;
    }

    .st-wk-img-box .new-badge {
        position: absolute;
        top: 8px;
        left: 8px;
        background-color: red;
        color: white;
        padding: 0.3em 0.6em;
        font-size: 0.8em;
        font-weight: bold;
        border-radius: 4px;
    }

.st-wk-meta {
    padding: 1rem;
}

    .st-wk-meta h3 {
        margin: 0.5rem 0;
        font-size: 1.2rem;
    }

    .st-wk-meta .date {
        font-size: 1rem;
        color: #666;
    }

    .st-wk-meta .desc {
        font-size: 1.1rem;
        color: #444;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }

    .st-wk-meta .link {
        color: #444;
    }

    .st-wk-meta a:link,
    .st-wk-meta a:active,
    .st-wk-meta a:hover,
    .st-wk-meta a:visited {
        color: #444;
    }

.video-link {
    margin-top: 0.8rem;
    display: inline-block;
    color: #D13631 !important;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #D13631;
    border-radius: 50px;
    padding: 5px 10px;
}

    .video-link i {
        margin-right: 0.3rem;
    }

.st-wk-sidebar h2 {
    margin-bottom: 0.5rem;
    background-color: #666666;
    color: #FFF;
    /*color: rgba(0, 0, 0, 0.6);*/
    font-size: 1.1em;
    padding: 5px 10px;
    margin-bottom: 0.75em;
    margin-top: 0;
    border-radius: 3px;
    letter-spacing: 0.2em;
}

.st-tag {
    display: inline-block;
    background: #ddd;
    color: #333;
    padding: 0.3rem 0.5rem;
    border-radius: 3px;
    margin: 0.4rem;
    font-size: 1.1rem;
    /*font-weight: 700;*/
    /*cursor: pointer;*/
}

.st-category {
    display: inline-block;
    padding: 0.3rem 0.5rem;
    border-radius: 3px;
    margin: 0.4rem;
    font-size: 1.1rem;
    /*cursor: pointer;*/
}

.st-category i {
    margin-right:5px;
}
   /* .st-tag:hover {
        background: #D13631;
        color: white!important;
    }*/

/*実績詳細ページ用*/
.st-wk-container-detail {
    flex: 3;
}

.st-figure img {
    width: 80%;
    height: auto;
    margin: 20px 5px;
    border-radius: 5px;
}

.st-wk-container-detail .title {
    font-size: 2rem;
}

.st-wk-container-detail .wk-content {
    font-size: 1.3rem;
    text-indent: 30px;
}

@media screen and (max-width: 768px) {
    .st-wk-container {
        display: flex;
        flex-direction: column;
        justify-content: center; /* 縦方向の中央揃え */
        align-items: center; /* 横方向の中央揃え */
        padding: 1rem;
        box-sizing: border-box; /* padding含めた高さ制御 */
    }

    .st-wk-main {
        grid-template-columns: 1fr; /* 1列に変更 */
        gap: 3rem;
    }

    .st-wk-main, .st-wk-sidebar {
        width: 95%;
    }

    .st-figure img {
        width: 100%;
        height: auto;
    }

    .st-wk-container-detail .title {
        font-size: 1.3rem;
    }
}