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

body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Yu Gothic', sans-serif;
    line-height: 1.8;
    color: #333;
}

/* Header */
.header {
    background: linear-gradient(135deg, #007E6E 0%, #73AF6F 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav a:hover {
    color: #E7DEAF;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0,126,110,0.9), rgba(115,175,111,0.9));
    color: white;
    padding: 150px 2rem 100px;
    display: flex;
    align-items: center;
    gap: 4rem;
    min-height: 600px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #E7DEAF;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: #E7DEAF;
    color: #007E6E;
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Section */
.section {
    padding: 80px 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #007E6E;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #73AF6F, #007E6E);
    border-radius: 2px;
}

/* Problems and Solutions */
.problems-solutions {
    background: linear-gradient(135deg, #E7DEAF 0%, #D7C097 100%);
    padding: 80px 2rem;
}

.problems-solutions .section-title {
    color: #007E6E;
}

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

.problem-card, .solution-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.problem-card {
    border-left: 5px solid #ff6b6b;
}

.problem-card h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
}

.solution-card {
    border-left: 5px solid #73AF6F;
}

.solution-card h3 {
    color: #73AF6F;
    margin-bottom: 1rem;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 5px solid #73AF6F;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #007E6E;
}

/* Screenshots */
.screenshot-section {
    background: #f8f9fa;
}

.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.screenshot-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.screenshot-card:hover {
    transform: scale(1.05);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-card .caption {
    padding: 1rem;
    text-align: center;
    font-weight: bold;
    color: #007E6E;
}

/* Case Study */
.case-study {
    background: #f8f9fa;
}

.case-study-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.case-study-card h3 {
    color: #007E6E;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.case-category {
    color: #666;
    margin-bottom: 2rem;
}

.case-description {
    line-height: 2;
    margin-bottom: 2rem;
}

.case-results {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 5px solid #73AF6F;
}

.case-results strong {
    color: #007E6E;
}

.case-results ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

/* Pricing */
.pricing {
    background: white;
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: linear-gradient(135deg, #007E6E, #73AF6F);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    text-align: center;
}

.pricing-card h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #E7DEAF;
}

.price span {
    font-size: 1.5rem;
}

.price-detail {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.pricing-features {
    text-align: left;
    margin-bottom: 2rem;
    list-style: none;
}

.pricing-features li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #E7DEAF;
    font-weight: bold;
}

.pricing-cta-button {
    display: inline-block;
    background: white;
    color: #007E6E;
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s;
}

.pricing-cta-button:hover {
    transform: translateY(-3px);
}

/* FAQ */
.faq {
    background: white;
}

.faq-item {
    background: #f8f9fa;
    padding: 2rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    border-left: 5px solid #73AF6F;
}

.faq-question {
    font-weight: bold;
    color: #007E6E;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.faq-answer {
    color: #555;
    line-height: 1.8;
}

/* Contact */
.contact {
    background: linear-gradient(135deg, #007E6E, #73AF6F);
    color: white;
    text-align: center;
    padding: 80px 2rem;
}

.contact h2 {
    color: white;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.contact-lead {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-button {
    display: inline-block;
    background: white;
    color: #007E6E;
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 2rem;
    text-align: center;
}

.company-info {
    margin-bottom: 1rem;
}

.copyright {
    margin-top: 1rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 2rem 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-image {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav {
        display: none;
    }

    .problem-solution-grid {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .screenshots {
        grid-template-columns: 1fr;
    }
}