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

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-blue: #1E40AF;
    --color-blue-light: #3B82F6;
    --color-accent: #10B981;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-japanese: 'Noto Sans JP', 'Yu Gothic', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.2s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: var(--font-japanese);
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    position: relative;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-circle {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-black);
    border-radius: 50%;
    position: relative;
}

.logo-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border-left: 8px solid var(--color-black);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-black);
    font-family: var(--font-primary);
    letter-spacing: -0.03em;
    margin: 0;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav a:hover {
    color: var(--color-black);
}

.nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--color-black);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--spacing-4xl);
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: linear-gradient(rgba(100, 116, 139, 0.7), rgba(71, 85, 105, 0.5)), url('Image001.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-badge {
    display: inline-block;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-primary);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-japanese);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--color-blue-light);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    min-width: 160px;
    font-family: var(--font-japanese);
}

.btn-primary {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
    transform: translateY(-1px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
    z-index: 2;
    margin-top: 0vh;
}

.service-indicators {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-right: var(--spacing-2xl);
}

.indicator {
    width: 120px;
    height: 120px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    transition: left 0.5s ease;
}

.indicator:hover::before {
    left: 100%;
}

.indicator.active {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.indicator:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-4xl);
    font-family: var(--font-japanese);
    letter-spacing: -0.02em;
}

/* Services */
.services {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 1px solid var(--color-gray-200);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-blue-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle {
    position: relative;
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-gray-400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-circle svg {
    width: 24px;
    height: 24px;
    color: var(--color-gray-400);
    transition: var(--transition);
}

.icon-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border-left: 6px solid var(--color-gray-400);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    transition: var(--transition);
}

.service-card:hover .icon-circle {
    border-color: var(--color-black);
    transform: scale(1.1);
}

.service-card:hover .icon-circle svg {
    color: var(--color-black);
}

.service-card:hover .icon-arrow {
    border-left-color: var(--color-black);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-japanese);
}

.service-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Why Choose Us */
.why-choose-us {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-number {
    width: 60px;
    height: 60px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-family: var(--font-primary);
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-japanese);
}

.feature p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* About */
.about {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.info-item {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-black);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.info-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-japanese);
}

.info-item p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.contact-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-black);
    font-size: 0.9rem;
}

.required {
    color: #EF4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-black);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-xl);
}

.footer-info h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-japanese);
}

.footer-info p {
    color: var(--color-gray-400);
    line-height: 1.6;
}

.footer-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-lg);
        border-top: 1px solid var(--color-gray-200);
    }
    
    .nav ul.active {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        justify-content: center;
        margin-top: var(--spacing-2xl);
    }
    
    .service-indicators {
        margin-right: 0;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .indicator {
        width: 80px;
        height: 80px;
        font-size: 0.875rem;
    }
    
    .services-grid,
    .features-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        margin: 0 var(--spacing-md);
        padding: var(--spacing-xl);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer-nav ul {
        justify-content: center;
        gap: var(--spacing-lg);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-indicators {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .indicator {
        width: 100px;
        height: 60px;
    }
}

/* Animation for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-badge {
    animation-delay: 0.1s;
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-description {
    animation-delay: 0.3s;
}

.cta-buttons {
    animation-delay: 0.4s;
}