:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --accent: #d97706;
    --accent-hover: #f59e0b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --font-primary: 'Noto Sans JP', sans-serif;
    --border-color: #334155;
    --header-height: 80px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    line-height: 1.7;
    overflow-x: hidden;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--accent);
    color: #fff;
    padding: 10px 20px;
    z-index: 100;
    transition: top 0.2s ease;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
}

.skip-link:focus {
    top: 20px;
}

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

*:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Header & Nav */
header {
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 90;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
}

.logo img {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section with Grid background */
.hero {
    margin-top: var(--header-height);
    position: relative;
    padding: 100px 20px;
    background-image: radial-gradient(#1e293b 1px, transparent 1px);
    background-size: 24px 24px;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.25;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #fff;
}

/* Statistics Block */
.stats {
    background: var(--bg-surface);
    padding: 60px 20px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.8rem;
    color: var(--accent);
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Process Section */
.process {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    color: #ffffff;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-card {
    background: var(--bg-surface);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
}

.process-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    font-weight: bold;
    color: rgba(217, 119, 6, 0.15);
}

.process-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.process-card h4 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.process-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Trust block */
.trust-principles {
    padding: 80px 20px;
    background: rgba(30, 41, 59, 0.5);
    border-top: 1px solid var(--border-color);
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.trust-item {
    margin-bottom: 30px;
}

.trust-item h4 {
    font-size: 1.3rem;
    color: var(--accent);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Services Grid */
.services-section {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-item {
    background: var(--bg-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.service-img-wrapper {
    height: 250px;
    overflow: hidden;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-item:hover .service-img-wrapper img {
    transform: scale(1.05);
}

.service-info {
    padding: 30px;
}

.service-info h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-info p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
}

/* Asymmetric Feature */
.feature-asymmetric {
    padding: 100px 20px;
    background: var(--bg-surface);
}

.feature-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-list li i {
    color: var(--accent);
    margin-top: 5px;
}

/* Pricing cards */
.pricing {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--bg-surface);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(217,119,6,0.15);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: #fff;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: bold;
    border-radius: 50px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 25px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 35px;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.pricing-features li i {
    color: var(--accent);
}

/* Form Section */
.form-section {
    padding: 100px 20px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.form-container {
    max-width: 650px;
    margin: 0 auto;
}

.lead-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
}

.form-group-full {
    grid-column: span 2;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input[type="text"], input[type="email"], input[type="tel"], textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, textarea:focus {
    border-color: var(--accent);
    outline: none;
}

.consent-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.consent-wrapper input[type="checkbox"] {
    margin-top: 5px;
}

.consent-wrapper a {
    color: var(--accent);
}

/* FAQ teaser & Accordion */
.faq-section {
    padding: 100px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--bg-surface);
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 20px;
    text-align: left;
    font-size: 1.15rem;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.accordion-header i {
    transition: transform 0.3s;
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 0 20px 20px 20px;
    color: var(--text-secondary);
}

/* Legal Trust Layer & Footer */
.trust-layer {
    background: rgba(30, 41, 59, 0.4);
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
}

.trust-layer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.trust-legal-info h5 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

footer {
    background: var(--bg-dark);
    padding: 60px 20px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-bottom {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: -300px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-top: 2px solid var(--accent);
    padding: 20px;
    z-index: 1000;
    transition: bottom 0.5s ease;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}

.cookie-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.cookie-text a {
    color: var(--accent);
}

.cookie-btns {
    display: flex;
    gap: 10px;
}

/* Responsive queries */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        gap: 15px;
    }
    .nav-menu.active {
        display: flex;
    }
    .hero-container, .trust-container, .services-grid, .feature-container, .trust-layer-container {
        grid-template-columns: 1fr;
    }
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .lead-form {
        grid-template-columns: 1fr;
    }
    .form-group-full {
        grid-column: span 1;
    }
    .cookie-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}