:root {
    --color-bg: #1a1a1a;
    --color-text: #e0e0e0;
    --color-accent: #c5a059;
    /* Gold */
    --color-accent-sub: #8a3324;
    /* Deep Red */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-serif);
    line-height: 2;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
    color: #fff;
    padding-right: 130px;
    /* 50px original + 80px sidebar */
}

.logo {
    font-size: 1.5rem;
    letter-spacing: 0.2em;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

/* Body Padding for Sidebar */
body {
    padding-right: 80px;
}

/* Nav Vertical (Sidebar) */
.nav-vertical {
    position: fixed;
    right: 0;
    top: 0;
    width: 80px;
    height: 100%;
    background: #0d0d0d;
    border-left: 1px solid #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    z-index: 100;
    transform: none;
}

.nav-vertical a {
    font-size: 1rem;
    letter-spacing: 0.3em;
    padding: 15px 5px;
    color: #888;
    transition: all 0.3s;
    border-left: none;
}

.nav-vertical a:hover,
.nav-vertical a.active {
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(197, 160, 89, 0.3);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    body {
        padding-right: 0;
        padding-bottom: 70px;
        /* Space for bottom nav */
    }

    .nav-vertical {
        width: 100%;
        height: 60px;
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        flex-direction: row;
        writing-mode: horizontal-tb;
        border-left: none;
        border-top: 1px solid #333;
        background: rgba(13, 13, 13, 0.95);
        backdrop-filter: blur(10px);
        padding: 0 20px;
    }

    .nav-vertical a {
        padding: 10px 8px;
        letter-spacing: 0.05em;
        font-size: 0.9rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .header {
        padding: 20px;
        padding-right: 20px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-left: 0;
        padding-right: 0;
        border-right: none;
        margin-bottom: 20px;
    }

    .hero-content {
        writing-mode: horizontal-tb;
        height: auto;
    }

    .section {
        padding: 80px 0;
    }

    .container {
        padding: 0 20px;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 50px;
    }

    .menu-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .menu-item {
        flex-direction: column;
        text-align: center;
    }

    .menu-img {
        width: 100%;
        height: 200px;
    }

    .menu-info h3 {
        flex-direction: column;
        gap: 5px;
    }
}

/* Hero */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
    background: url('../../../../../.gemini/antigravity/brain/1b69276e-4b0c-4268-9b7c-8b34ea01f01c/kagura_hero_bg_1770272099776.png') no-repeat center center/cover;
    transform: scale(1.1);
    animation: breathe 20s infinite alternate;
}

.hero-content {
    position: relative;
    z-index: 2;
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.8em;
    text-align: center;
    height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    font-size: 3rem;
    margin-left: 40px;
    border-right: 1px solid var(--color-accent);
    padding-right: 40px;
}

.hero p {
    font-size: 1rem;
    color: #999;
}

/* Sections */
.section {
    padding: 150px 0;
    position: relative;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 80px;
    color: var(--color-accent);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: var(--color-accent);
    margin: 20px auto 0;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.menu-item {
    display: flex;
    gap: 20px;
    border-bottom: 1px solid #333;
    padding-bottom: 20px;
}

.menu-img {
    width: 120px;
    height: 120px;
    background: #333;
    flex-shrink: 0;
}

.menu-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.menu-price {
    font-family: var(--font-sans);
    color: var(--color-accent);
}

.menu-desc {
    font-size: 0.9rem;
    color: #888;
}

/* Animations */
@keyframes breathe {
    0% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1.0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s, transform 1s;
}

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

/* Footer */
.footer {
    padding: 100px 0;
    border-top: 1px solid #333;
    text-align: center;
}