:root {
    --bg-color: #faf9f5;
    --text-primary: #1a2432;
    --text-secondary: #4a5568;
    --accent: #ca8a04;
    --accent-hover: #a16a03;
    --card-bg: #ffffff;
    --footer-bg: #111924;
    --font-main: 'Noto Sans JP', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Accessibility Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 10px;
    background: var(--accent);
    color: #fff;
    padding: 10px 20px;
    z-index: 9999;
    transition: top 0.2s ease;
    text-decoration: none;
    font-weight: bold;
}
.skip-link:focus {
    top: 10px;
}

/* Header & Navigation */
.site-header {
    background-color: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
}
.logo img {
    width: 35px;
    height: 35px;
    margin-right: 10px;
}
.nav-menu {
    display: flex;
    gap: 25px;
}
.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
}
.nav-link:hover, .nav-link:focus {
    color: var(--accent);
}
.burger-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f0e6 0%, #faf9f5 100%);
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero-content h1 {
    font-size: 42px;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}
.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Custom SVG Background Grid */
.bg-grid {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    opacity: 0.1;
    z-index: -1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M0 0h40v40H0V0zm1 1v38h38V1H1z' fill='%23ca8a04' fill-opacity='0.5'/%3E%3C/svg%3E");
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: #fff;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
}
.btn:hover, .btn:focus {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Statistics Block */
.stats-section {
    padding: 50px 0;
    background-color: var(--card-bg);
    border-top: 1px solid #eef0f3;
    border-bottom: 1px solid #eef0f3;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}
.stat-card h3 {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 10px;
}
.stat-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Info Section (How It Works & Values) */
.info-section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    margin: 15px auto 0;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.step-card {
    background-color: var(--card-bg);
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    text-align: center;
    border-top: 4px solid var(--accent);
}
.step-icon {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 20px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
.service-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.service-body {
    padding: 25px;
}
.service-body h3 {
    font-size: 20px;
    margin-bottom: 12px;
}
.service-body p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}
.pricing-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    border: 1px solid #eef0f3;
}
.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(202, 138, 4, 0.15);
    transform: scale(1.03);
}
.featured-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: #fff;
    padding: 4px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}
.price {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-primary);
    margin: 20px 0;
}
.price-period {
    font-size: 14px;
    color: var(--text-secondary);
}
.pricing-card ul {
    list-style: none;
    margin: 20px 0 30px;
    text-align: left;
}
.pricing-card ul li {
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}
.pricing-card ul li i {
    color: #10b981;
    margin-right: 8px;
}

/* Contact & Lead Capture Section */
.form-section {
    padding: 80px 0;
    background-color: #f5f0e6;
}
.form-container {
    max-width: 650px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: var(--font-main);
    font-size: 16px;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
}
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
}
.form-checkbox input {
    margin-top: 4px;
}

/* Trust Layer */
.trust-layer {
    background-color: #eef0f3;
    padding: 40px 0;
    border-top: 2px solid #cbd5e1;
}
.trust-layer h4 {
    font-size: 18px;
    margin-bottom: 15px;
}
.trust-layer p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.disclaimer-text {
    font-style: italic;
    font-size: 12px !important;
}

/* Accordion FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background-color: var(--card-bg);
    border: 1px solid #eef0f3;
    margin-bottom: 15px;
    border-radius: 6px;
    overflow: hidden;
}
.faq-header {
    width: 100%;
    background: none;
    border: none;
    padding: 20px;
    text-align: left;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-main);
    color: var(--text-primary);
}
.faq-header i {
    transition: transform 0.3s;
}
.faq-header.active i {
    transform: rotate(180deg);
}
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.faq-content p {
    padding: 0 20px 20px;
    color: var(--text-secondary);
}

/* Footer */
.site-footer {
    background-color: var(--footer-bg);
    color: #94a3b8;
    padding: 60px 0;
    font-size: 14px;
}
.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}
.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: #fff;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 600px;
    background-color: var(--card-bg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 20px;
    z-index: 10000;
    display: none;
    border-left: 5px solid var(--accent);
}
.cookie-banner-content h5 {
    font-size: 16px;
    margin-bottom: 8px;
}
.cookie-banner-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}
.cookie-buttons {
    display: flex;
    gap: 10px;
}

/* Utility Class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .hero-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--card-bg);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        gap: 15px;
    }
    .nav-menu.active {
        display: flex;
    }
    .burger-btn {
        display: block;
    }
    .services-grid, .steps-grid, .stats-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 30px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}