/* =============================================================================
   実績ページ専用CSS
   ============================================================================= */

/* Achievement Stats */
.achievement-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.achievement-stat {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.achievement-stat:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-deep-pink), var(--primary-pink));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.stat-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.achievement-stat .stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-navy);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.achievement-stat .stat-label {
    display: block;
    color: var(--tech-gray);
    font-size: 1rem;
    font-weight: 600;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    background: var(--white);
    border: 2px solid var(--mid-gray);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--primary-deep-pink);
    color: var(--primary-deep-pink);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-deep-pink), var(--primary-pink));
    border-color: var(--primary-deep-pink);
    color: var(--white);
}

/* Works Grid */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.work-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.work-card.featured {
    border: 3px solid var(--accent-gold);
}

.work-header {
    padding: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-gray);
    position: relative;
}

.work-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.work-icon i {
    font-size: 1.1rem;
    color: var(--white);
}

.work-icon.finance {
    background: linear-gradient(135deg, #1976D2, #2196F3);
}

.work-icon.government {
    background: linear-gradient(135deg, #283593, #3F51B5);
}

.work-icon.manufacturing {
    background: linear-gradient(135deg, #F57C00, #FF9800);
}

.work-icon.infrastructure {
    background: linear-gradient(135deg, #4CAF50, #66BB6A);
}

.work-icon.it {
    background: linear-gradient(135deg, #E91E63, #EC407A);
}

.work-category {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-navy);
}

.featured-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-gold);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.work-card h3 {
    padding: 0 0.75rem;
    font-size: 1.1rem;
    color: var(--primary-navy);
    margin: 0.75rem 0;
    line-height: 1.4;
}

.work-description {
    padding: 0 0.75rem;
    color: var(--dark-gray);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.work-features {
    padding: 0 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.work-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.work-features i {
    color: var(--accent-green);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.work-tags {
    padding: 0.75rem;
    padding-top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.work-tags .tag {
    background: var(--light-gray);
    color: var(--primary-navy);
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Case Studies */
.case-studies {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.case-study {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 6px solid var(--primary-deep-pink);
}

.case-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-deep-pink), var(--primary-pink));
    color: var(--white);
    padding: 0.4rem 1.25rem;
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.case-study h3 {
    font-size: 1.5rem;
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.case-section {
    margin-bottom: 1.5rem;
}

.case-section h4 {
    font-size: 1.15rem;
    color: var(--primary-navy);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-section h4 i {
    color: var(--primary-deep-pink);
}

.case-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.case-section li {
    color: var(--dark-gray);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
    font-size: 0.95rem;
}

.case-section li::before {
    content: '▸';
    position: absolute;
    left: 0.5rem;
    color: var(--primary-deep-pink);
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.result-item {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.result-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-deep-pink);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.result-label {
    display: block;
    color: var(--dark-gray);
    font-weight: 600;
}

.case-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--mid-gray);
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-weight: 600;
    color: var(--tech-gray);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.detail-value {
    color: var(--primary-navy);
    font-weight: 600;
    font-size: 1rem;
}

/* Filter Animation */
.work-card.hide {
    display: none;
}

/* Web Development Examples */
.web-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.web-example-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.web-example-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.example-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.example-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--light-gray);
}

.example-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.web-example-card:hover .example-image img {
    transform: scale(1.05);
}

.example-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(178, 24, 137, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.web-example-card:hover .example-overlay {
    opacity: 1;
}

.example-overlay i {
    font-size: 2.5rem;
    color: var(--white);
}

.example-overlay span {
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.example-content {
    padding: 1.25rem;
}

.example-content h3 {
    font-size: 1.1rem;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.example-url {
    color: var(--primary-deep-pink);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.example-url::before {
    content: '🔗';
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-tabs {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
        text-align: center;
    }
    
    .achievement-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .achievement-stat {
        padding: 1rem 0.5rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 0.5rem;
    }
    
    .stat-icon i {
        font-size: 1.5rem;
    }
    
    .achievement-stat .stat-number {
        font-size: 2rem;
        margin-bottom: 0.25rem;
    }
    
    .achievement-stat .stat-label {
        font-size: 0.85rem;
    }
    
    .case-results {
        grid-template-columns: 1fr;
    }
    
    .web-examples-grid {
        grid-template-columns: 1fr;
    }
    
    .example-image {
        height: 200px;
    }
    
    .example-content h3 {
        font-size: 1rem;
    }
}