:root {
    --bg: #fafafa;
    --text: #1a1a1a;
    --text-light: #666666;
    --accent: #8b4513;
    --accent-hover: #a55a28;
    --accent-light: rgba(139, 69, 19, 0.06);
    --border: #e0e0e0;
    --section-bg: #ffffff;
    --card-bg: #f8f8f8;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

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

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(160deg, #1a1a1a 0%, #2c1810 40%, #3d2117 70%, #1a1a1a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '合気道';
    position: absolute;
    font-size: 25rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
    user-select: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 0.3rem;
    color: #f5f0eb;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-content h2 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: rgba(245, 240, 235, 0.6);
    letter-spacing: 6px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    font-style: italic;
    color: rgba(245, 240, 235, 0.7);
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: #f5f0eb;
    text-decoration: none;
    border: 1px solid rgba(245, 240, 235, 0.3);
    border-radius: 3px;
    transition: all 0.3s;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.cta-button:hover {
    background: rgba(245, 240, 235, 0.08);
    border-color: rgba(245, 240, 235, 0.6);
}

/* Sections */
.section {
    padding: 5rem 0;
    background: var(--section-bg);
}

.section:nth-child(even) {
    background: var(--bg);
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.section p {
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
    line-height: 1.85;
}

blockquote {
    max-width: 800px;
    margin: 2.5rem auto;
    padding: 1.8rem 2.5rem;
    border-left: 3px solid var(--accent);
    background: var(--card-bg);
    font-style: italic;
    border-radius: 0 8px 8px 0;
    color: var(--text);
    font-size: 1.05rem;
    line-height: 1.7;
}

footer {
    background: #1a1a1a;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 3.5rem 0;
}

.footer-quote {
    font-style: italic;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* Schedule */
.schedule {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.schedule-row {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.schedule-row:last-child {
    border-bottom: none;
}

.schedule-row:nth-child(even) {
    background: rgba(0,0,0,0.02);
}

.day {
    font-weight: 600;
    color: var(--accent);
}

.time {
    color: var(--text-light);
}

.location {
    text-align: center;
    margin-top: 2rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Price */
.price-card {
    text-align: center;
    max-width: 300px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 1rem;
}

.access {
    text-align: center;
    margin-top: 2rem;
    font-style: italic;
}

/* Contact */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.contact-card p {
    font-size: 1rem;
    color: var(--text-light);
}

.contact-card a {
    color: var(--accent);
    text-decoration: none;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero::before {
        font-size: 12rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }

    .hero-content h2 {
        font-size: 1rem;
        letter-spacing: 3px;
    }

    .section-subtitle {
        padding: 0 1rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .schedule-row {
        padding: 1rem 1.5rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}