/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-primary: #0A1929;
    --bg-secondary: #1A2332;
    --bg-card: rgba(26, 35, 50, 0.8);
    --text-primary: #FFFFFF;
    --text-secondary: #B0BEC5;
    --text-muted: #78909C;
    --primary: #1E88E5;
    --secondary: #00BCD4;
    --accent: #FFD700;
    --border: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Border Radius */
    --radius: 0.5rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-sans);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Particle Canvas ===== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.3;
    z-index: 0;
}

/* ===== Container ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 25, 41, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    opacity: 0.9;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 56rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.gradient-text {
    background: linear-gradient(135deg, #1E88E5 0%, #00BCD4 50%, #FFD700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(30, 136, 229, 0.3);
}

.btn-primary:hover {
    background: #1976D2;
    box-shadow: 0 0 40px rgba(30, 136, 229, 0.6);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(30, 136, 229, 0.1);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--bg-primary);
}

.btn-secondary:hover {
    background: #00ACC1;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.arrow {
    font-size: 1.25rem;
}

/* ===== Sections ===== */
.section {
    position: relative;
    z-index: 10;
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background: rgba(26, 35, 50, 0.5);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* ===== Grid ===== */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-5 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-2-contact {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* ===== Cards ===== */
.card {
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(30, 136, 229, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card {
    padding: var(--spacing-lg);
}

.card-header-title {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.card-content {
    color: var(--text-secondary);
}

/* ===== Products ===== */
.product-title {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

/* ===== Platforms ===== */
.platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.platform-card {
    width: 12rem;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.platform-name {
    font-size: 1.25rem;
    font-weight: bold;
}

/* ===== CTA Section ===== */
.cta-section {
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.cta-text {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
}

/* ===== Footer ===== */
.footer {
    position: relative;
    z-index: 10;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-title {
    font-size: 1.125rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

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

.footer-list li {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-list li::before {
    content: "• ";
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Page Content ===== */
.page-content {
    position: relative;
    z-index: 10;
    padding: 7rem 0 var(--spacing-2xl);
    min-height: calc(100vh - 400px);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

/* ===== Utility Classes ===== */
.mb-medium {
    margin-bottom: var(--spacing-lg);
}

.mb-large {
    margin-bottom: var(--spacing-xl);
}

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

.text-large {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ===== Info Cards ===== */
.info-card {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.info-value {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
}

.info-sub {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Location Info ===== */
.location-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.location-item {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.location-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* ===== Business List ===== */
.business-list {
    list-style: none;
}

.business-list li {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.business-list li::before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: 0;
}

/* ===== Platform Details ===== */
.platform-detail-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(30, 136, 229, 0.2);
    color: var(--primary);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

/* ===== Category Cards ===== */
.category-card {
    text-align: left;
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.category-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.category-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.category-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.category-list li::before {
    content: "🛍️";
    font-size: 1rem;
}

/* ===== Flow Cards ===== */
.flow-card {
    text-align: center;
}

.flow-number {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    font-weight: bold;
}

.flow-title {
    font-size: 1.125rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.flow-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Contact Page ===== */
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-label {
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.contact-value {
    color: var(--text-secondary);
    line-height: 1.6;
}

.map-placeholder {
    aspect-ratio: 16/9;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.map-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.access-list {
    list-style: none;
}

.access-list li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.access-list li::before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: 0;
}

/* ===== Contact Form ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
}

.required {
    color: #F44336;
}

.form-input,
.form-textarea {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 25, 41, 0.95);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-top: 1px solid var(--border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .grid-2-contact {
        grid-template-columns: 1fr;
    }
    
    .grid-5 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 640px) {
    .logo-text {
        display: block;
    }
}