:root {
    --bg-color: #050505;
    --text-color: #F5F5F5;
    --accent-color: #D4AF37; /* Premium Gold */
    --accent-glow: rgba(212, 175, 55, 0.3);
    --secondary-bg: #111111;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-main: 'Noto Sans JP', sans-serif;
    --font-eng: 'Outfit', sans-serif; /* Changed to Outfit for headers */
    --max-width: 1200px;
    --header-height: 80px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-eng);
    font-weight: 700;
    font-size: 24px;
    color: #fff;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav a {
    font-size: 14px;
    font-weight: 500;
    color: #888;
    transition: color 0.3s;
}

.nav a:hover {
    color: #fff;
}

.btn {
    background-color: #fff;
    color: #000;
    font-weight: 700;
    padding: 10px 24px;
    border-radius: 12px;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 14px;
}

.btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 13px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.hero-text h1 {
    font-family: var(--font-main);
    font-size: 64px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 32px;
    letter-spacing: -0.03em;
}

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

.highlight {
    background: linear-gradient(120deg, transparent 60%, rgba(212, 175, 55, 0.3) 60%);
    padding-right: 4px;
}

.hero-text p {
    font-size: 18px;
    color: #999;
    margin-bottom: 48px;
    font-weight: 400;
    max-width: 480px;
}

.cta-group {
    display: flex;
    gap: 16px;
    align-items: center;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, opacity 0.2s;
}

.store-btn img {
    height: 48px;
    width: auto;
}

.store-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.hero-visual {
    display: flex;
    justify-content: center;
    perspective: 1200px;
}

.phone-mockup {
    width: 320px;
    border-radius: 48px;
    overflow: hidden;
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.8);
    border: 8px solid #1a1a1a;
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    background: #000;
}

.phone-mockup:hover {
    transform: rotateY(0) rotateX(0) scale(1.02);
}

.phone-mockup img {
    width: 100%;
    height: auto;
    display: block;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
        padding-top: 40px;
        padding-bottom: 80px;
    }

    .hero-text h1 {
        font-size: 48px;
    }
    
    .hero-text p {
        margin: 0 auto 40px;
    }

    .cta-group {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 260px;
        transform: rotateY(0);
    }
}

/* Features Section */
.features {
    padding: 140px 0;
    background-color: #050505;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 80px;
    font-family: var(--font-eng);
    letter-spacing: -0.02em;
    color: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.02);
    padding: 48px 32px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(212, 175, 55, 0.2);
}

.feature-icon {
    color: var(--accent-color);
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
    letter-spacing: 0.02em;
}

.feature-card p {
    color: #888;
    font-size: 15px;
    line-height: 1.8;
}

/* Showcase Section */
.showcase {
    padding: 140px 0;
    overflow: hidden;
    background: linear-gradient(to bottom, #050505, #080808);
}

.showcase-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-text h2 {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 32px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.showcase-text p {
    font-size: 18px;
    color: #999;
    line-height: 1.8;
}

.showcase-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup.small {
    width: 280px;
    transform: rotateY(10deg);
    box-shadow: 20px 20px 60px rgba(0,0,0,0.5);
}

/* Steps Section */
.steps {
    padding: 140px 0;
    background-color: #050505;
}

.steps-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.steps-list::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    z-index: 0;
}

.step-item {
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 1;
    background: #050505; /* Mask the line */
}

.step-number {
    font-family: var(--font-eng);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 24px;
    background: rgba(212, 175, 55, 0.1);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
}

.step-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.step-item p {
    color: #888;
    font-size: 15px;
}

/* CTA Section */
.cta {
    padding: 160px 0;
    text-align: center;
    background: radial-gradient(circle at 50% 100%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
}

.cta h2 {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 32px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.cta p {
    font-size: 20px;
    color: #999;
    margin-bottom: 56px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
    background-color: #020202;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.footer-logo {
    font-family: var(--font-eng);
    font-weight: 700;
    font-size: 24px;
    color: #fff;
    letter-spacing: -0.02em;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: #666;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

.copyright {
    color: #444;
    font-size: 12px;
}

/* Responsive for new sections */
@media (max-width: 768px) {
    .showcase-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .showcase-visual {
        order: -1;
        margin-bottom: 40px;
    }

    .steps-list {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .steps-list::before {
        display: none;
    }

    .cta h2 {
        font-size: 40px;
    }
    
    .cta p {
        font-size: 16px;
    }
}