/**
 * 首页新增Section样式
 * 高雅素净的日式设计风格
 */

/* 公司定位 Section */
.company-overview {
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    text-align: center;
}

.company-overview .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2C3E50;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #4A90E2 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-overview .section-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #7F8C8D;
    line-height: 2;
    max-width: 900px;
    margin: 0 auto;
}

/* 解決課題 Section */
.problems-section {
    padding: 5rem 2rem;
    background: rgba(248, 250, 252, 0.5);
}

.problems-section .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2C3E50;
    text-align: center;
    margin-bottom: 1rem;
}

.problems-section .section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #7F8C8D;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.problem-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(184, 212, 227, 0.3);
    transition: all 0.3s ease-out;
    text-align: center;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.5);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.problem-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2C3E50;
    margin-bottom: 0.75rem;
}

.problem-description {
    font-size: 0.95rem;
    color: #7F8C8D;
    line-height: 1.7;
}

/* AI技術優勢 Section */
.ai-advantages {
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.95);
}

.ai-advantages .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2C3E50;
    text-align: center;
    margin-bottom: 1rem;
}

.ai-advantages .section-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #7F8C8D;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(184, 212, 227, 0.3);
    transition: all 0.3s ease-out;
    position: relative;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.5);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4A90E2;
    opacity: 0.2;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    line-height: 1;
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2C3E50;
    margin-bottom: 0.75rem;
    margin-top: 0.5rem;
}

.advantage-description {
    font-size: 1rem;
    color: #7F8C8D;
    line-height: 1.7;
}

/* 価値提案 Section */
.value-proposition {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    text-align: center;
}

.value-proposition .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2C3E50;
    margin-bottom: 3rem;
}

.value-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(184, 212, 227, 0.3);
    transition: all 0.3s ease-out;
}

.value-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.15);
    border-color: rgba(74, 144, 226, 0.5);
}

.value-check {
    font-size: 1.5rem;
    color: #4A90E2;
    font-weight: bold;
}

.value-text {
    font-size: 1.1rem;
    color: #2C3E50;
    font-weight: 500;
}

.value-tagline {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 600;
    color: #4A90E2;
    font-style: italic;
    margin-top: 2rem;
}

/* 適合客戶 Section */
.target-customers {
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.95);
}

.target-customers .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2C3E50;
    text-align: center;
    margin-bottom: 3rem;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.customer-item {
    background: rgba(248, 250, 252, 0.8);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(184, 212, 227, 0.3);
    transition: all 0.3s ease-out;
    text-align: center;
}

.customer-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.5);
    background: rgba(255, 255, 255, 0.95);
}

.customer-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.customer-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2C3E50;
    margin-bottom: 0.75rem;
}

.customer-description {
    font-size: 0.95rem;
    color: #7F8C8D;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #4A90E2 0%, #8B5CF6 100%);
    text-align: center;
    color: #FFFFFF;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #FFFFFF;
}

.cta-description {
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-overview,
    .problems-section,
    .ai-advantages,
    .value-proposition,
    .target-customers,
    .cta-section {
        padding: 3rem 1.5rem;
    }
    
    .problems-grid,
    .advantages-grid,
    .customers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-items {
        flex-direction: column;
        gap: 1rem;
    }
    
    .value-item {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}