:root {
    --bg-color: #050505;
    --bg-card: #0d0d0d;
    --text-main: #f5f5f5;
    --text-muted: #999;
    --accent-gold: #c5a059;
    --accent-gold-light: #e2c28d;
    --accent-bordeaux: #630d16;
    --border-color: #1a1a1a;
    --header-height: 80px;
    --font-main: "Noto Sans JP", sans-serif;
    --font-heading: "Noto Serif JP", serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold-light);
}

/* Page Hero */
.page-hero {
    padding: 160px 0 80px;
    background: var(--bg-card);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-gold);
    display: inline-block;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-bordeaux);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background: var(--bg-card);
    padding: 48px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
}

.card h3 {
    font-family: var(--font-heading);
    color: var(--accent-gold-light);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--accent-bordeaux);
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 2px;
    transition: var(--transition);
}

.btn:hover {
    background-color: #8a1320;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
}

.btn-outline:hover {
    background-color: rgba(197, 160, 89, 0.1);
}

.cta-center {
    text-align: center;
    margin-top: 60px;
}

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

.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    display: block;
}

.footer-nav ul {
    display: flex;
    gap: 24px;
}

.copyright {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
}

/* FAQ */
.faq-item {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.faq-q {
    color: var(--accent-gold-light);
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-nav ul {
        justify-content: center;
        flex-wrap: wrap;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }
}