/* nine-blad-Excelsior.css */

.nbex-ior-article {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.nbex-ior-thumbnail {
    margin-bottom: 1rem;
    text-align: center;
}

.nbex-ior-thumbnail img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.nbex-ior-video-link {
    margin-bottom: 1rem;
    text-align: center;
}

.nbex-ior-video-link a {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #007cba;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.nbex-ior-video-link a:hover {
    background: #005a87;
}

.nbex-ior-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.nbex-ior-description p {
    margin: 0;
    color: #333;
    font-size: 1.1rem;
}

.nbex-ior-series {
    margin-bottom: 1.5rem;
    background: #f9f9f9;
    padding: 1rem;
    border-radius: 4px;
}

.nbex-ior-series h3 {
    margin: 0 0 0.75rem 0;
    padding: 0.5rem 0.75rem;
    background-color: #e6f2fb;
    color: #005a87;
    font-size: 1.25rem;
    font-weight: bold;
    border-left: 5px solid #007cba;
    border-radius: 4px;
    word-break: break-word;
}

.nbex-ior-series ul {
    margin: 0;
    padding-left: 1.2rem;
    list-style-type: disc;
}

.nbex-ior-series li {
    margin-bottom: 0.25rem;
    color: #555;
}

.nbex-ior-package {
    text-align: center;
    margin-bottom: 1rem;
}

.nbex-ior-package img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .nbex-ior-article {
        padding: 1rem;
        margin: 0 0 1rem;
    }
    
    .nbex-ior-video-link a {
        padding: 0.6rem 1.2rem;
        font-size: 0.95rem;
    }

    .nbex-ior-series h3 {
        font-size: 1.1rem;
        padding: 0.4rem 0.5rem;
    }
}