/* Whitepaper Detail Page Styles - 資料詳細ページ */

/* パンくずリスト */
.breadcrumb {
    background-color: var(--light-bg);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

/* メインコンテナ */
.main {
    padding: 40px 0;
    background-color: var(--light-bg);
}

.material-wrapper {
    display: flex;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* メインコンテンツ */
.material-content {
    flex: 1;
    max-width: 700px;
}

.material-intro {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.material-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 30px;
    line-height: 1.4;
}

.material-preview {
    margin-bottom: 30px;
    text-align: center;
}

.material-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.material-description {
    margin-bottom: 30px;
}

.material-description p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
}

.material-benefits h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefits-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
}

.benefits-list li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* サイドバー */
.material-sidebar {
    width: 400px;
    flex-shrink: 0;
}

.sidebar-form {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 100px;
    margin-bottom: 40px;
}

.form-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 25px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.required {
    background-color: #ff6b3d;
    color: var(--white);
    font-size: 11px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 5px;
}

.download-form input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--white);
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.download-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 59, 131, 0.1);
}

.download-form input::placeholder {
    color: #aaa;
}

.form-notice {
    font-size: 12px;
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.5;
    text-align: center;
}

.form-notice a {
    color: var(--primary-color);
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(to right, #FF9500, #FF5E00);
    color: var(--white);
    padding: 15px 20px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(255, 149, 0, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 149, 0, 0.4);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
    .material-wrapper {
        gap: 30px;
        padding: 0 20px;
    }
    
    .material-sidebar {
        width: 350px;
    }
}

@media (max-width: 992px) {
    .material-wrapper {
        flex-direction: column;
        gap: 30px;
    }
    
    .material-content {
        max-width: 100%;
    }
    
    .material-sidebar {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .sidebar-form {
        position: static;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        margin-top: 80px;
        padding: 12px 0;
    }
    
    .main {
        padding: 20px 0;
    }
    
    .material-wrapper {
        gap: 20px;
        padding: 0 15px;
    }
    
    .material-intro {
        padding: 30px 20px;
    }
    
    .material-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .material-preview {
        margin-bottom: 20px;
    }
    
    .material-description {
        margin-bottom: 20px;
    }
    
    .material-description p {
        font-size: 15px;
    }
    
    .material-benefits h3 {
        font-size: 18px;
    }
    
    .benefits-list li {
        font-size: 15px;
        margin-bottom: 10px;
    }
    
    .sidebar-form {
        padding: 25px 20px;
        margin-bottom: 30px;
    }
    
    .form-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .download-form input {
        padding: 12px;
        font-size: 16px;
    }
    
    .submit-btn {
        padding: 14px 20px;
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .material-wrapper {
        padding: 0 10px;
    }
    
    .material-intro {
        padding: 20px 15px;
    }
    
    .material-title {
        font-size: 20px;
    }
    
    .material-description p,
    .benefits-list li {
        font-size: 14px;
    }
    
    .sidebar-form {
        padding: 20px 15px;
        margin-bottom: 25px;
    }
    
    .form-title {
        font-size: 16px;
    }
    
    .download-form input {
        padding: 10px;
        font-size: 14px;
    }
    
    .submit-btn {
        padding: 12px 20px;
        font-size: 15px;
    }
}