/* ========================================
   Landing Page Styles
   ======================================== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'M PLUS Rounded 1c', 'Hiragino Kaku Gothic ProN', 'メイリオ', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pc-only {
    display: inline;
}

/* Section Common Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: #FF1493;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
}

.highlight {
    color: #FF1493;
    background: linear-gradient(transparent 60%, #FFE5F0 60%);
    padding: 0 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #FF6B9D 0%, #FFA07A 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.5);
}

.btn-outline {
    background: white;
    color: #FF1493;
    border: 2px solid #FF1493;
}

.btn-outline:hover {
    background: #FFF0F8;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-icon {
    margin-right: 0.5rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: #FF1493;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #FF1493;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #FF1493;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #FFD6E8 0%, #C2E9FB 50%, #A1C4FD 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: #FF1493;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #FF1493;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 500px;
    background: white;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-demo {
    background: linear-gradient(135deg, #FFE5F0 0%, #FFF0F8 100%);
    padding: 2rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 3px solid #FF6B9D;
}

.notification-icon {
    font-size: 3rem;
}

.notification-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: #FF1493;
    margin-bottom: 0.5rem;
}

.notification-class {
    font-size: 1rem;
    color: #666;
}

/* Problems Section */
.problems {
    background: #FFF9E5;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.problem-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.3rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.problem-card p {
    color: #666;
}

.solution-banner {
    background: linear-gradient(135deg, #FF6B9D 0%, #FFA07A 100%);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
}

.solution-banner h3 {
    font-size: 2rem;
    color: white;
    font-weight: 800;
}

/* Features Section */
.features {
    background: #F0F8FF;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    background: white;
}

.benefit-section {
    margin-bottom: 4rem;
}

.benefit-section:last-child {
    margin-bottom: 0;
}

.benefit-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.benefit-icon {
    font-size: 3rem;
}

.benefit-header h3 {
    font-size: 2rem;
    color: #FF1493;
    font-weight: 800;
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: linear-gradient(135deg, #FFF9E5 0%, #FFE5B4 100%);
    padding: 2rem;
    border-radius: 20px;
    border: 3px solid #FFB6D9;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.3);
}

.benefit-card h4 {
    font-size: 1.3rem;
    color: #FF1493;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.benefit-card p {
    color: #666;
    line-height: 1.7;
}

/* Use Cases Section */
.use-cases {
    background: #FFF0F8;
}

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

.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    padding-top: 3.5rem;
}

.use-case-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: linear-gradient(135deg, #FF6B9D 0%, #FFA07A 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(255, 107, 157, 0.4);
}

.use-case-card h3 {
    font-size: 1.4rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.use-case-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.use-case-example {
    background: #FFF9E5;
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid #FF6B9D;
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

.use-case-example strong {
    color: #FF1493;
}

/* Testimonials Section */
.testimonials {
    background: #F0F8FF;
}

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

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    font-size: 3rem;
}

.testimonial-info h4 {
    font-size: 1.2rem;
    color: #FF1493;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.testimonial-org {
    font-size: 0.9rem;
    color: #999;
}

.testimonial-rating {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: #666;
    line-height: 1.7;
    font-style: italic;
}

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

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 3px solid #FFB6D9;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.pricing-card-enterprise {
    border-color: #A1C4FD;
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FF6B9D 0%, #FFA07A 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(255, 107, 157, 0.4);
}

.pricing-title {
    font-size: 1.8rem;
    color: #FF1493;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1.5rem;
    margin-top: 1rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: 2rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #FF1493;
}

.price-period {
    font-size: 1.2rem;
    color: #666;
}

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

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-notes {
    background: #FFF9E5;
    padding: 2rem;
    border-radius: 20px;
    border-left: 4px solid #FF6B9D;
}

.pricing-notes h4 {
    font-size: 1.3rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.pricing-notes ul {
    list-style: none;
}

.pricing-notes li {
    padding: 0.5rem 0;
    color: #666;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-notes li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #FF6B9D;
    font-weight: 700;
}

/* FAQ Section */
.faq {
    background: #FFF9E5;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    font-size: 1.2rem;
    color: #FF1493;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.faq-icon {
    font-weight: 800;
    flex-shrink: 0;
}

.faq-answer {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.faq-answer p {
    color: #666;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #FFD6E8 0%, #C2E9FB 50%, #A1C4FD 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: #FF1493;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.trial-steps {
    list-style: none;
    margin-bottom: 2rem;
}

.trial-steps li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #FF6B9D 0%, #FFA07A 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    color: #FF1493;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.step-content p {
    color: #666;
}

.contact-details {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
}

.contact-details h4 {
    font-size: 1.2rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.phone-number {
    font-size: 1.5rem;
    color: #FF1493;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.business-hours {
    color: #666;
    margin-bottom: 1.5rem;
}

.company-info {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid #f0f0f0;
}

.company-info h4 {
    font-size: 1.2rem;
    color: #FF1493;
    margin-bottom: 1rem;
    font-weight: 700;
}

.company-info p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.company-info strong {
    color: #333;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.required {
    color: #FF1493;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6B9D;
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    color: #999;
    margin-top: 1rem;
}

.form-note a {
    color: #FF1493;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #2C3E50;
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-section p {
    color: #BDC3C7;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #BDC3C7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #FF6B9D;
}

.footer-company-info {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #34495E;
}

.footer-company-info p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #34495E;
    padding-top: 1.5rem;
    text-align: center;
    color: #BDC3C7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

    .section-subtitle {
        font-size: 1rem;
    }

    .hero {
        padding: 60px 0;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .phone-mockup {
        width: 250px;
        height: 400px;
    }

    .notification-demo {
        flex-direction: column;
        text-align: center;
    }

    .problems-grid,
    .features-grid,
    .benefit-cards,
    .use-cases-grid,
    .testimonials-grid,
    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1.1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .phone-mockup {
        width: 200px;
        height: 350px;
        padding: 15px;
    }

    .notification-name {
        font-size: 1.2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}