/* ===================================
   新宿茶房 - Chinese Tea Salon
   Elegant & Sophisticated Design
=================================== */

:root {
    /* Colors - Elegant palette for white background */
    --color-bg-dark: #1a1612;
    --color-bg-medium: #252019;
    --color-bg-light: #2d261f;
    --color-accent: #8b7355;
    --color-accent-light: #a89078;
    --color-accent-dark: #6d5a45;
    --color-text-primary: #2a2218;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    
    /* Typography */
    --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
    --font-display: 'Cormorant Garamond', serif;
    
    /* Spacing */
    --section-padding: clamp(80px, 12vh, 150px);
    --container-width: min(1200px, 90%);
    
    /* Transitions */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    background-color: #FFFFFF;
    color: var(--color-text-primary);
    line-height: 1.8;
    font-weight: 300;
    overflow-x: hidden;
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

/* ===================================
   Navigation
=================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 10px 0;
    background: transparent;
    transition: background 0.4s var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav.scrolled .nav-logo {
    color: #2a2218;
}

.nav.scrolled .nav-links a {
    color: #2a2218;
}

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

.nav-container {
    width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.2em;
    transition: color 0.3s var(--transition-smooth);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle-line {
    width: 100%;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s var(--transition-smooth);
    transform-origin: center;
}

.nav.scrolled .nav-toggle-line {
    background: #2a2218;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s var(--transition-smooth);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.8);
    transition: width 0.3s var(--transition-smooth);
}

.nav.scrolled .nav-links a::after {
    background: var(--color-accent);
}

.nav-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ===================================
   Hero Section
=================================== */
.hero {
    width: 100vw;
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/komaki.jpg') center center no-repeat;
    background-size: cover;
}

.hero-icon {
    width: 400px;
    height: 400px;
    object-fit: contain;
    margin-bottom: 30px;
    z-index: 1;
    position: relative;
    transition: filter 0.3s var(--transition-smooth);
}

.hero-overlay {
    display: none;
}

.hero-content {
    text-align: center;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--color-accent-dark);
    letter-spacing: 0.4em;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 30px;
    color: #2a2218;
}

.hero-tagline {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: #6d635a;
    letter-spacing: 0.3em;
    font-weight: 300;
}


/* ===================================
   Section Titles
=================================== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title .title-en {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(0.7rem, 1vw, 0.85rem);
    color: #000000;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title .title-ja {
    display: block;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: #000000;
}

.section-title.light .title-ja {
    color: #000000;
}

/* ===================================
   Concept Section
=================================== */
.concept {
    padding: var(--section-padding) 0;
    background: #FFFFFF;
    position: relative;
}

.concept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.concept-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.concept-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.concept-content {
    max-width: 500px;
}

.section-title.left {
    text-align: left;
}

.section-title.left .title-en,
.section-title.left .title-ja {
    text-align: left;
}

.concept-text {
    text-align: left;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--color-text-secondary);
    line-height: 2.2;
    letter-spacing: 0.05em;
}

/* ===================================
   Cocktails Section
=================================== */
.cocktails {
    padding: var(--section-padding) 0;
    /*background: #000B00;*/
    background: #FFFFFF;
    position: relative;
}

.cocktails-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 80px;
}

.cocktails-header-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    order: 2;
}

.cocktails-header-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.cocktails-header-content {
    max-width: 500px;
    order: 1;
}

.cocktails-header-content .section-title {
    margin-bottom: 30px;
}

.cocktails-header-content .cocktails-intro {
    text-align: left;
    margin-bottom: 0;
}

.cocktails-intro {
    text-align: left;
    color: var(--color-text-secondary);
    font-size: 1rem;
    letter-spacing: 0.1em;
    line-height: 1.8;
}

.cocktails-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin-bottom: 60px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.cocktails-grid.two-items {
    max-width: 1200px;
    margin: 0 auto 60px;
}

.cocktail-card {
    background: transparent;
    border-radius: 4px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* 2番目のカードは順序を逆に */
.cocktail-card:nth-child(2) .cocktail-image {
    order: 2;
}

.cocktail-card:nth-child(2) .cocktail-info {
    order: 1;
    text-align: right;
}

.cocktail-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.cocktail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform 0.6s var(--transition-smooth);
}

.cocktail-card:hover .cocktail-placeholder {
    transform: scale(1.1);
}

.cocktail-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s var(--transition-smooth);
}

.cocktail-card:hover .cocktail-photo {
    transform: scale(1.1);
}

.cocktail-placeholder.winter {
    /*background: linear-gradient(135deg, #2a3a4d 0%, #1a2530 100%);*/
    background: #FFFFFF;
}

.cocktail-placeholder.autumn {
    background: linear-gradient(135deg, #3d2a1a 0%, #2a1d12 100%);
}

.cocktail-placeholder.floral {
    background: linear-gradient(135deg, #3d2a3a 0%, #2a1a28 100%);
}

.cocktail-placeholder.sweets {
    background: linear-gradient(135deg, #f5e6d3 0%, #e8d4be 100%);
}

.cocktail-icon {
    opacity: 0.6;
}

.cocktail-info {
    padding: 0;
}

.cocktail-season {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid var(--color-accent-dark);
    padding: 4px 12px;
    border-radius: 2px;
    margin-bottom: 15px;
}

.cocktail-name {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 0.1em;
    color: #000000;
}

.cocktail-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.cocktail-price {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-accent-light);
    letter-spacing: 0.1em;
}

.btn-view-all {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 15px 50px;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--color-accent);
    text-decoration: none;
    border: 1px solid var(--color-accent-dark);
    letter-spacing: 0.15em;
    transition: all 0.3s var(--transition-smooth);
}

.btn-view-all:hover {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

/* ===================================
   Pricing Section
=================================== */
.pricing {
    padding: var(--section-padding) 0;
    background: #FFFFFF;
}

.pricing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* 料金セクション: 画像を左、テキストを右 */
.pricing-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    order: 1;
}

.pricing-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.pricing-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    order: 2;
}

.pricing-intro {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    letter-spacing: 0.05em;
    margin-bottom: 40px;
}

.pricing-info {
    width: 100%;
}

.pricing-amount {
    margin-bottom: 30px;
    text-align: left;
}

.pricing-amount .currency {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
    vertical-align: top;
}

.pricing-amount .price {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 300;
    color: #000000;
    line-height: 1;
    letter-spacing: -0.02em;
}

.pricing-amount .unit {
    font-size: 1.1rem;
    color: #666666;
    letter-spacing: 0.1em;
}

.pricing-desc {
    font-size: 1.1rem;
    color: #666666;
    letter-spacing: 0.1em;
    text-align: left;
}

.pricing-includes {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
    padding: 30px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

.pricing-includes li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 12px 0;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(201, 167, 108, 0.1);
}

.pricing-includes li:last-child {
    border-bottom: none;
}

.pricing-includes .check {
    color: var(--color-accent);
    font-size: 1rem;
}

.pricing-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.pricing-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.option-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(201, 167, 108, 0.2);
    border-radius: 6px;
    padding: 35px;
    text-align: center;
    transition: border-color 0.3s var(--transition-smooth);
}

.option-card:hover {
    border-color: var(--color-accent);
}

.option-card h3 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.option-card .option-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.option-card .option-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   Access Section
=================================== */
.access {
    padding: var(--section-padding) 0;
    background: #FFFFFF;
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.access-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.access-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 20px;
}

.access-item dt {
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.15em;
}

.access-item dd {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.access-map {
    width: 100%;
    height: 450px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.access-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.btn-reserve {
    display: inline-block;
    margin-top: 40px;
    padding: 18px 60px;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    border-radius: 4px;
    transition: all 0.3s var(--transition-smooth);
}

.btn-reserve:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 167, 108, 0.3);
}


/* ===================================
   Footer
=================================== */
.footer {
    padding: 60px 0;
    background: #FFFFFF;
    border-top: 1px solid rgba(201, 167, 108, 0.1);
    text-align: center;
}

.footer-logo {
    font-size: 1.8rem;
    color: var(--color-accent);
    letter-spacing: 0.3em;
    margin-bottom: 10px;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    margin-bottom: 30px;
}

.footer-social {
    margin-bottom: 30px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.footer-social a {
    color: var(--color-text-secondary);
    transition: color 0.3s var(--transition-smooth);
}

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

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

/* ===================================
   Responsive Design
=================================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 30px 30px;
        gap: 0;
        transition: right 0.3s var(--transition-smooth);
        box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        padding: 20px 0;
        color: #2a2218;
        font-size: 1rem;
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .nav-links a:hover {
        color: var(--color-accent);
    }
    
    /* メニューが開いている時は背景を白に */
    .nav-links.active ~ .nav-logo,
    .nav:has(.nav-links.active) .nav-logo {
        color: #2a2218;
    }
    
    .nav:has(.nav-links.active) .nav-toggle-line {
        background: #2a2218;
    }
    
    .hero {
        background-attachment: scroll;
        height: 100vh;
    }
    
    .concept-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .concept-image {
        height: 300px;
    }
    
    .concept-content {
        max-width: 100%;
    }
    
    .section-title.left {
        text-align: center;
    }
    
    .section-title.left .title-en,
    .section-title.left .title-ja {
        text-align: center;
    }
    
    .concept-text {
        text-align: center;
    }
    
    .cocktail-card:nth-child(2) .cocktail-image,
    .cocktail-card:nth-child(2) .cocktail-info {
        order: unset;
        text-align: left;
    }
    
    .cocktails-header {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .cocktails-header-image {
        height: 300px;
        order: 1;
    }
    
    .cocktails-header-content {
        max-width: 100%;
        order: 2;
    }
    
    .cocktails-header-content .cocktails-intro {
        display: none;
    }
    
    .access-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .access-item {
        grid-template-columns: 80px 1fr;
    }
    
    .pricing-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .pricing-image {
        height: 300px;
        order: 1;
    }
    
    .pricing-text {
        order: 2;
        align-items: center;
    }
    
    .pricing-text .section-title.left {
        text-align: center;
    }
    
    .pricing-text .section-title.left .title-en,
    .pricing-text .section-title.left .title-ja {
        text-align: center;
    }
    
    .pricing-intro {
        text-align: center;
    }
    
    .pricing-amount {
        text-align: center;
    }
    
    .pricing-desc {
        text-align: center;
    }
    
    .cocktail-card {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cocktail-image {
        height: 250px;
    }
}

/* ===================================
   Animations on Scroll (with JS)
=================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

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