* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: #fff;
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid #e9ecef;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2c3e50;
    line-height: 1.4;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 40px;
    color: #6c757d;
}

.btn-primary {
    display: inline-block;
    background: #2c3e50;
    color: white;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background: #34495e;
}

/* Sections */
section {
    padding: 60px 0;
    background: #fff;
    margin: 0;
}

section:nth-child(even) {
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.section-title i {
    color: #2c3e50;
    font-size: 1.6rem;
}

/* Problems Section */
.problems-list {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.problem-item {
    flex: 1;
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.2);
}

.problem-icon i {
    font-size: 1.8rem;
    color: white;
}

.problem-item p {
    font-size: 1rem;
    color: #495057;
    line-height: 1.6;
}

/* Service Section */
.service-content {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.service-item {
    flex: 1;
    text-align: center;
    padding: 30px 20px;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.2);
}

.service-icon i {
    font-size: 1.8rem;
    color: white;
}

.service-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

/* Importance Section */
.importance-content {
    max-width: 800px;
    margin: 0 auto;
}

.importance-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #2c3e50;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.importance-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.importance-item:last-child {
    margin-bottom: 0;
}

.importance-icon {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(44, 62, 80, 0.2);
}

.importance-icon i {
    font-size: 1.3rem;
    color: white;
}

.importance-text {
    flex: 1;
}

.importance-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.importance-item p {
    color: #6c757d;
    line-height: 1.7;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 40px;
}

.contact-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.2);
}

.contact-icon i {
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.contact-card p {
    color: #6c757d;
    margin-bottom: 20px;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #2c3e50;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding: 12px 24px;
    background: white;
    border-radius: 8px;
    border: 2px solid #2c3e50;
    transition: all 0.3s ease;
}

.email-link:hover {
    background: #2c3e50;
    color: white;
    transform: translateY(-2px);
}

.email-note {
    font-size: 0.9rem;
    color: #6c757d;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .problems-list,
    .service-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-methods {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .contact-email,
    .contact-form {
        max-width: 100%;
    }
    
    section {
        padding: 40px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .problem-item,
    .service-item {
        padding: 25px 15px;
    }
    
    .importance-item {
        padding: 20px;
    }
}