:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #eff6ff;
    --border-color: #e2e8f0;
    --font-sans: "Inter", "Noto Sans JP", sans-serif;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--primary-bg);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.5);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(59, 130, 246, 0.6);
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent-blue);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
}

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

/* Hero */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    text-align: center;
    background-image: url('https://i.imgur.com/Q3TXjeb.jpeg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    background-color: var(--accent-light);
    color: var(--accent-blue);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title span {
    color: var(--accent-blue);
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--primary-bg);
    background-image: url('https://i.imgur.com/1TR61hJ.jpeg');
    background-size: cover;
    background-position: center;
}

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

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--accent-blue);
}

.feature-icon {
    width: 5rem;
    height: 5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(59, 130, 246, 0.3));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: var(--text-muted);
}

/* Comparison */
.comparison {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.comparison-table-wrapper {
    overflow-x: auto;
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
}

.comparison-table th.highlight {
    background-color: var(--accent-light);
    color: var(--accent-blue);
    font-weight: 800;
    font-size: 1.1rem;
}

.comparison-table td.highlight {
    background-color: #feffff;
    font-weight: 700;
    color: var(--accent-blue);
    border-left: 2px solid var(--accent-blue);
    border-right: 2px solid var(--accent-blue);
}

.comparison-table td.highlight:last-child {
    border-bottom: 2px solid var(--accent-blue);
}

/* Pricing */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    background-color: white;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
}

.pricing-card.popular {
    border: 2px solid var(--accent-blue);
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.15);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-blue);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.plan-desc {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.plan-features {
    text-align: left;
    margin-bottom: 2rem;
}

.plan-features li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.check-icon {
    color: var(--accent-blue);
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #94a3b8;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    color: #64748b;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-list {
        display: none;
        /* Simple mobile hide for now */
    }
}

/* Mobile Menu (Simple Implementation) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-list.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
}

/* Page Headers (Common) */
.page-header {
    padding: 160px 0 80px;
    background-color: var(--secondary-bg);
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Accordion (FAQ) */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-header {
    width: 100%;
    text-align: left;
    padding: 1.5rem 0;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header:hover {
    color: var(--accent-blue);
}

.accordion-content {
    display: none;
    padding-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.accordion-item.active .accordion-content {
    display: block;
}

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

/* Step Process (Service/Contact) */
.step-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.step-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: var(--accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-muted);
}

.step-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 1.5rem;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
    transform: translateX(-50%);
    z-index: 0;
}

/* Works Grid */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.work-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.2s;
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.work-image {
    height: 200px;
    background-color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.work-content {
    padding: 1.5rem;
}

.work-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.work-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
    padding: 4rem 0;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-weight: 600;
}

/* Legal Table (About) */
.legal-table {
    width: 100%;
    border-collapse: collapse;
    max-width: 800px;
    margin: 0 auto;
}

.legal-table th,
.legal-table td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.legal-table th {
    width: 30%;
    background-color: var(--secondary-bg);
    font-weight: 600;
}

/* Contact Form Placeholder */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card {
    padding: 3rem;
    text-align: center;
    background-color: var(--secondary-bg);
    border-radius: 1rem;
}