:root {
    --primary-color: #0A2540;
    --primary-light: #1A3A5E;
    --accent-color: #0070F3;
    --accent-hover: #0056B3;
    --text-main: #1D1D1F;
    --text-muted: #6E6E73;
    --bg-light: #F5F5F7;
    --bg-white: #FFFFFF;
    --border-color: #E1E1E1;
    --transition-speed: 0.3s;
    
    --font-heading: 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', 'Inter', sans-serif;
}

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

html {
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: all var(--transition-speed) ease;
}

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

/* Utilities */
.section-padding {
    padding: 240px 0;
    position: relative;
    overflow: hidden;
}
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary-color); }
.text-white { color: var(--bg-white); }
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }

.shadow-lg { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.shadow-xl { box-shadow: 0 20px 40px rgba(0,0,0,0.15); }
.rounded-image { border-radius: 12px; max-width: 100%; height: auto; display: block; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 16px 32px; font-size: 1.1rem; }
.btn-xl { padding: 18px 36px; font-size: 1.2rem; border-radius: 50px; }

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: white;
    border-color: white;
}
.btn-outline:hover {
    background-color: white;
    color: var(--primary-color);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-outline-dark:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo {
    height: 44px;
    width: auto;
    display: block;
}
.support-badge {
    font-size: 0.75rem;
    background: var(--primary-light);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}
.header-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}
.nav-link {
    color: #f5f5f7;
    font-weight: 500;
    font-size: 0.95rem;
}
.nav-link:hover {
    color: var(--accent-color);
}

/* Typography & Utilities */
.text-muted { color: #86868B; }
.opacity-80 { opacity: 0.8; }
.mt-5 { margin-top: 3rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-accent { color: var(--accent-color); }

/* Glassmorphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
.btn-glow { box-shadow: 0 0 20px rgba(0, 112, 243, 0.4); }
.btn-glow:hover { box-shadow: 0 0 30px rgba(0, 112, 243, 0.6); }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #000;
    background-image: radial-gradient(circle at 80% 40%, #1d1d1f 0%, #000 70%);
    color: white;
    padding-top: 120px;
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}
.hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    flex: 1;
}
.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}
.hero-badge-wrap {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.08);
    border-radius: 30px;
    padding: 4px 16px 4px 4px;
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,0.15);
}
.badge-modern {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 12px;
}
.badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: #f5f5f7;
}
.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, #ffffff, #86868b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: #a1a1a6;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    gap: 20px;
}
.hero-image-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}
.hero-image-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.25) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(40px);
}
.hero-product-img {
    max-width: 120%;
    max-height: 80vh;
    object-fit: contain;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.6));
    transform: translateX(5%);
}

/* Hero Stats Container */
.hero-stats-container {
    margin-top: 60px;
    position: relative;
    z-index: 3;
}
.hero-stats {
    display: flex;
    align-items: center;
    padding: 40px 0;
}
.stat-item {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.stat-num {
    font-size: 3.5rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    letter-spacing: -0.03em;
}
.stat-num small {
    font-size: 1.2rem;
    font-weight: 600;
    margin-left: 4px;
    color: var(--accent-color);
}
.stat-label {
    font-size: 0.95rem;
    color: #a1a1a6;
    font-weight: 600;
    letter-spacing: 1px;
}
.stat-divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
}

/* Feature Sections - Modern */
.modern-grid {
    gap: 80px;
}
.bg-subtle {
    background: linear-gradient(to bottom, var(--bg-white) 0%, #FBFBFD 200px, #FBFBFD calc(100% - 200px), var(--bg-white) 100%);
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}
.feature-grid > div {
    min-width: 0;
}
.feature-grid.reverse {
    direction: rtl;
}
.feature-grid.reverse > * {
    direction: ltr;
}
.feature-eyebrow {
    font-size: 1rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 3px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-main);
    line-height: 1.2;
    letter-spacing: -0.03em;
}
.feature-desc {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 40px;
}
.feature-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.spec-chip {
    background: #F5F5F7;
    border: 1px solid #E1E1E1;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
}
.bg-subtle .spec-chip {
    background: white;
}

#features {
    padding-top: 350px;
    background: linear-gradient(to bottom, #000 0%, var(--bg-white) 300px, var(--bg-white) 100%);
}

/* Product Showcases */
.product-showcase {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.img-large {
    transform: scale(1.15);
}
.showcase-bg-shape {
    position: absolute;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.05) 0%, rgba(0, 112, 243, 0) 60%);
    z-index: -1;
}
.showcase-bg-shape-alt {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(10, 37, 64, 0.06) 0%, rgba(0, 0, 0, 0) 60%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(20px);
}
.showcase-bg-shape-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(10, 37, 64, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}
.showcase-img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}
.showcase-img-tall {
    max-height: 600px;
}

/* Performance Section */
.performance-section {
    padding-top: 350px;
    background: linear-gradient(to bottom, var(--bg-white) 0%, #000 300px, #000 100%);
}
.performance-section .section-title {
    background: linear-gradient(to right, #ffffff, #a1a1a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.performance-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.perf-card {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.perf-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
}
.perf-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.perf-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #fff;
    font-weight: 800;
}
.perf-card p {
    color: #a1a1a6;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Video Section */
.video-section {
    background: #000;
}
.video-wrapper {
    border-radius: 24px;
    overflow: hidden;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}
.video-container {
    position: relative;
    padding-bottom: 177.77%; /* 9:16 Aspect Ratio for Shorts */
    height: 0;
    overflow: hidden;
    background: #111;
    border-radius: 14px;
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Specs Table */
#specs {
    padding-top: 350px;
    background: linear-gradient(to bottom, #000 0%, var(--bg-white) 300px, var(--bg-white) 100%);
}

.table-responsive {
    overflow-x: auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    margin-top: 40px;
}
.specs-table {
    width: 100%;
    border-collapse: collapse;
}
.specs-table th, .specs-table td {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    font-size: 1.1rem;
}
.specs-table th {
    background-color: #FBFBFD;
    width: 30%;
    font-weight: 800;
    color: var(--primary-color);
}
.specs-table tr:last-child th, .specs-table tr:last-child td {
    border-bottom: none;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(to bottom, var(--bg-white) 0%, #e0e7ff 100%);
}
.cta-card {
    background: white;
    padding: 80px 60px;
    border-radius: 30px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}
.cta-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}
.cta-desc {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-muted);
}
.campaign-box {
    background: #fff8e1;
    border: 2px solid #ffc107;
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 40px;
    text-align: left;
}
.campaign-box h3 {
    color: #d84315;
    margin-bottom: 15px;
    font-size: 1.4rem;
    font-weight: 800;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    background: #1d1d1f;
    color: white;
    padding: 60px 0;
}
.footer-logo {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}
.footer-brand-logo {
    height: 60px;
    width: auto;
    display: block;
    opacity: 0.9;
}
.footer-copy {
    opacity: 0.5;
    font-size: 0.95rem;
}

/* Animations */
.fade-in-up, .slide-in-left, .slide-in-right {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-up { transform: translateY(50px); }
.slide-in-left { transform: translateX(-50px); }
.slide-in-right { transform: translateX(50px); }

.is-visible {
    opacity: 1;
    transform: translate(0);
}

.delay-200 {
    transition-delay: 200ms !important;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero { padding-top: 100px; padding-bottom: 40px; }
    .hero-inner { flex-direction: column; text-align: center; gap: 40px; }
    .hero-title { font-size: 3.2rem; }
    .hero-product-img { transform: translateX(0); max-height: 50vh; max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-stats { flex-direction: column; gap: 30px; padding: 40px !important; }
    .stat-divider { width: 100%; height: 1px; }
    
    .section-padding { padding: 120px 0; }
    #features { padding-top: 150px; background: linear-gradient(to bottom, #000 0%, var(--bg-white) 150px, var(--bg-white) 100%); }
    .performance-section { padding-top: 150px; background: linear-gradient(to bottom, var(--bg-white) 0%, #000 150px, #000 100%); }
    #specs { padding-top: 150px; background: linear-gradient(to bottom, #000 0%, var(--bg-white) 150px, var(--bg-white) 100%); }

    .modern-grid { grid-template-columns: 1fr; gap: 50px; text-align: center; }
    .performance-cards { grid-template-columns: 1fr; }
    .section-title { font-size: 2.5rem; }
    
    .cta-card { padding: 50px 30px; }
    .cta-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
    .header-inner { justify-content: space-between; height: 60px; padding: 0 15px; }
    .brand-logo { height: 28px; }
    .header-nav { gap: 10px; }
    .nav-link { font-size: 0.75rem; }
    
    .section-padding { padding: 80px 0; }
    #features { padding-top: 100px; background: linear-gradient(to bottom, #000 0%, var(--bg-white) 100px, var(--bg-white) 100%); }
    .performance-section { padding-top: 100px; background: linear-gradient(to bottom, var(--bg-white) 0%, #000 100px, #000 100%); }
    #specs { padding-top: 100px; background: linear-gradient(to bottom, #000 0%, var(--bg-white) 100px, var(--bg-white) 100%); }
    
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-buttons .btn { width: 100%; }
    
    .section-title { font-size: 2rem; }
    .hero-title { font-size: 2.2rem; }
    .cta-title { font-size: 1.8rem; }
    .cta-card { padding: 40px 20px; }
    
    .specs-table th, .specs-table td { display: block; width: 100%; }
    .specs-table th { border-bottom: none; padding-bottom: 5px; }
    .specs-table td { padding-top: 5px; margin-bottom: 10px; }
    
    .stat-num { font-size: 2.4rem !important; }
    .stat-num small { font-size: 1rem; }
    .hero-stats { padding: 20px !important; }
}