/* Variables */
:root {
    --primary: #0f172a;
    --accent: #0ea5e9;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --container-width: 1200px;
    --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Header */
.header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

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

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-secondary {
    border: 1px solid #cbd5e1;
    color: var(--text-main);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
}

.btn-primary:hover, .btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(to bottom right, #f8fafc, #eff6ff);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    background: #e0f2fe;
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Services */
.services {
    padding: 8rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 4rem;
    color: var(--primary);
}

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

.service-card {
    padding: 3rem 2rem;
    border: 1px solid #f1f5f9;
    border-radius: 1rem;
    transition: box-shadow 0.3s;
}

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

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.service-card p {
    color: var(--text-light);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--primary);
    color: #94a3b8;
    text-align: center;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        order: 2;
    }
    .hero-image-wrapper {
        order: 1;
    }
    .hero p {
        margin: 0 auto 2.5rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none; /* Mobile menu logic would go here */
    }
}