/* Base Resets & Variables */
:root {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9f9f9;
    --color-text-main: #222222;
    --color-text-muted: #777777;
    --color-accent: #ddd;
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-soft: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: #ffffff;
    border-bottom: 1px solid var(--color-accent);
    transition: var(--transition-soft);
}

.header.scrolled {
    padding: 1rem 5%;
    border-bottom: 1px solid var(--color-accent);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--color-text-main);
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-main);
    opacity: 0.8;
}

.nav-link:hover {
    opacity: 1;
}

/* Hero Section - Editorial Double Image */
.hero-editorial {
    position: relative;
    width: 100vw;
    max-width: 100%;
    height: 85vh;
    margin-top: 4.5rem; /* Space for solid header */
    background-color: var(--color-bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.hero-split-images {
    width: 100%;
    height: 100%;
    display: flex;
}

.hero-col {
    flex: 1;
    position: relative;
    height: 100%;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-bg-image.slide {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-bg-image.slide.active {
    opacity: 1;
}

.hero-editorial-text {
    position: absolute;
    z-index: 10;
    text-align: center;
    color: #fff; /* Ensure contrast if placed over images */
    mix-blend-mode: difference; /* Elegance trick for dual images */
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-editorial-text .hero-title {
    font-family: var(--font-heading);
    font-size: clamp(4rem, 10vw, 9rem);
    letter-spacing: 0.1em;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 1rem;
}

.hero-editorial-text .hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

/* Section Common */
.section {
    padding: 8rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: 0.05em;
}

/* Gallery / Collection - Simple Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.gallery-item {
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.item-image-wrapper {
    position: relative;
    overflow: hidden;
    background-color: #f7f7f5;
    aspect-ratio: 4/5;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.item-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: darken;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover .item-image {
    transform: scale(1.03);
}

.item-info {
    text-align: left;
}

.item-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.item-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.6;
}

/* Contact Section & Form */
.contact-section {
    background-color: var(--color-bg-primary);
    padding-bottom: 4rem;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-desc {
    margin-bottom: 3rem;
    color: var(--color-text-muted);
}

.contact-form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--color-accent);
    background-color: transparent;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-text-main);
    transition: var(--transition-soft);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-text-main);
}

.submit-btn {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-text-main);
    color: var(--color-bg-primary);
    border: 1px solid var(--color-text-main);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-soft);
    font-family: inherit;
}

.submit-btn:hover {
    background-color: transparent;
    color: var(--color-text-main);
}

.form-success-message {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--color-bg-secondary);
    border-left: 2px solid var(--color-text-main);
    color: var(--color-text-main);
    font-size: 0.9rem;
    line-height: 1.8;
    text-align: center;
    letter-spacing: 0.05em;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer Minimal */
.footer {
    background-color: var(--color-bg-secondary);
    text-align: center;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.copyright {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Philosophy Page */
.philosophy-main {
    padding-top: 10rem;
}

.philosophy-container {
    max-width: 800px;
}

.philosophy-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: 0.05em;
}

.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.philosophy-text-group {
    text-align: center;
}

.philosophy-text-ja {
    font-size: 1rem;
    line-height: 2.2;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text-main);
}

.philosophy-spacer {
    height: 1px;
    width: 40px;
    background-color: var(--color-accent);
    margin: 3rem auto;
}

.philosophy-text-en {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 0.05em;
}

.philosophy-image-wrapper {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

.philosophy-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Order Page */
.order-main {
    padding-top: 10rem;
    padding-bottom: 2rem;
}

.order-container {
    max-width: 800px;
}

.order-page-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 5rem;
    letter-spacing: 0.05em;
}

.order-section {
    margin-bottom: 5rem;
    border-top: 1px solid var(--color-accent);
    padding-top: 3rem;
}

.order-section:last-of-type {
    margin-bottom: 3rem;
}

.order-section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.order-section-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    line-height: 1;
}

.order-section-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    margin-bottom: 0.3rem;
}

.order-section-title-en {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    font-style: italic;
}

.order-section-body {
    padding-left: 0;
}

.order-text-ja {
    font-size: 0.95rem;
    line-height: 2.2;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    margin-bottom: 2rem;
}

.order-text-en {
    font-family: var(--font-heading);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
}

.order-details {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.order-detail-item {
    flex: 1;
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    border-left: 2px solid var(--color-text-main);
}

.order-detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.order-detail-value {
    font-size: 0.9rem;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: 0.03em;
}

.order-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    padding-left: 1em;
    text-indent: -1em;
}

.order-note-en {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    font-style: italic;
    font-family: var(--font-heading);
    letter-spacing: 0.03em;
}

.order-divider-thin {
    width: 40px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 2.5rem 0;
}

/* Order Steps */
.order-steps {
    margin: 3rem 0;
    position: relative;
    padding-left: 2rem;
}

.order-steps::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0.75rem;
    bottom: 0.75rem;
    width: 1px;
    background-color: var(--color-accent);
}

.order-step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.order-step:last-child {
    margin-bottom: 0;
}

.order-step-number {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--color-text-main);
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    background-color: var(--color-bg-primary);
    margin-left: -2rem;
}

.order-step-content {
    flex: 1;
    padding-bottom: 0.5rem;
}

.order-step-title {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 0.2rem;
}

.order-step-title-en {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
}

.order-step-desc {
    font-size: 0.85rem;
    line-height: 1.9;
    color: var(--color-text-muted);
    letter-spacing: 0.03em;
}

/* Order Notice Section */
.order-notice-section .order-section-body {
    padding-left: 0;
}

.order-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-notice-list li {
    font-size: 0.9rem;
    line-height: 2;
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
    padding-left: 1.5em;
    position: relative;
}

.order-notice-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.order-notice-list-en li {
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.9rem;
}

.delay-3 { transition-delay: 0.6s; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        justify-content: center;
        gap: 1rem;
        padding: 1rem 5%;
    }

    .nav {
        display: flex;
        gap: 1.2rem;
    }

    .nav-link {
        font-size: 0.7rem;
    }
    
    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }
    
    .philosophy-main {
        padding-top: 5rem;
    }

    .philosophy-title {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }

    .philosophy-content {
        gap: 2.5rem;
    }

    .philosophy-text-ja {
        font-size: 0.95rem;
        line-height: 1.8;
        padding: 0 1rem;
        text-align: left; /* Better readability on mobile */
    }

    /* Hide artificial line breaks on mobile for natural wrapping */
    .philosophy-text-ja br,
    .contact-desc br,
    .order-text-ja br {
        display: none;
    }

    .philosophy-text-en {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0 1rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Order Page Responsive */
    .order-main {
        padding-top: 5rem;
    }

    .order-page-title {
        font-size: 2.2rem;
        margin-bottom: 3rem;
    }

    .order-section {
        margin-bottom: 3rem;
        padding-top: 2rem;
    }

    .order-section-header {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    .order-section-number {
        font-size: 1.4rem;
    }

    .order-details {
        flex-direction: column;
        gap: 1rem;
    }

    .order-text-ja {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .order-steps {
        padding-left: 1.5rem;
    }

    .order-step-number {
        margin-left: -1.5rem;
    }

    .order-step {
        gap: 1rem;
    }

    .order-notice-list li {
        font-size: 0.85rem;
        line-height: 1.8;
    }

    /* Exhibition Page Responsive */
    .exhibition-main {
        padding-top: 5rem;
    }

    .exhibition-page-title {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }

    .exhibition-intro-ja br {
        display: none;
    }

    .exhibition-next-schedule {
        flex-direction: column;
        gap: 1.5rem;
    }

    .exhibition-next-divider {
        width: 40px;
        height: 1px;
        margin: 0 auto;
    }

    .exhibition-venues {
        gap: 2.5rem;
    }

    .exhibition-venue {
        flex-direction: column;
    }

    .exhibition-venue-image-wrapper {
        max-width: 100%;
    }

    .exhibition-archive-item {
        flex-direction: column;
        gap: 1rem;
    }

    .exhibition-archive-cities {
        gap: 1rem;
    }

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

/* Exhibition Page */
.exhibition-main {
    padding-top: 12rem;
    padding-bottom: 4rem;
}

.exhibition-container {
    max-width: 860px;
}

.exhibition-page-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 5rem;
    letter-spacing: 0.1em;
}

/* Exhibition Intro */
.exhibition-intro {
    text-align: center;
    margin-bottom: 7rem;
}

.exhibition-intro-ja {
    font-size: 0.95rem;
    line-height: 2.4;
    letter-spacing: 0.08em;
    color: var(--color-text-main);
    margin-bottom: 0;
}

.exhibition-intro-divider {
    width: 40px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 2.5rem auto;
}

.exhibition-intro-en {
    font-family: var(--font-heading);
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 0.03em;
}

/* Next Exhibition Card */
.exhibition-next {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-accent);
    padding: 4.5rem 3rem;
    text-align: center;
    margin-bottom: 7rem;
}

.exhibition-next-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-text-muted);
    border: 1px solid var(--color-accent);
    padding: 0.5rem 1.5rem;
    margin-bottom: 2rem;
}

.exhibition-next-season {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
}

.exhibition-next-schedule {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-bottom: 2.5rem;
}

.exhibition-next-city {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.exhibition-city-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.exhibition-city-date {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    font-style: italic;
}

.exhibition-next-divider {
    width: 1px;
    height: 60px;
    background-color: var(--color-accent);
}

.exhibition-next-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 1.5rem;
    letter-spacing: 0.05em;
}

/* Exhibition Venues */
.exhibition-venues {
    display: flex;
    flex-direction: column;
    gap: 5rem;
    margin-bottom: 7rem;
}

.exhibition-venue {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.exhibition-venue:nth-child(even) {
    flex-direction: row-reverse;
}

.exhibition-venue-image-wrapper {
    flex: 1;
    max-width: 55%;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    aspect-ratio: 4/3;
}

.exhibition-venue-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.exhibition-venue:hover .exhibition-venue-image {
    transform: scale(1.03);
}

.exhibition-venue-info {
    flex: 1;
}

.exhibition-venue-city {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.exhibition-venue-desc-ja {
    font-size: 0.9rem;
    line-height: 2.2;
    letter-spacing: 0.08em;
    color: var(--color-text-main);
    margin-bottom: 1.2rem;
}

.exhibition-venue-desc-en {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 0.03em;
}

/* Exhibition Archive */
.exhibition-archive {
    border-top: 1px solid var(--color-accent);
    padding-top: 4rem;
    margin-bottom: 4rem;
}

.exhibition-archive-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
}

.exhibition-archive-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.exhibition-archive-item {
    display: flex;
    align-items: baseline;
    gap: 3rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-accent);
}

.exhibition-archive-season {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    min-width: 260px;
}

.exhibition-archive-year {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.exhibition-archive-collection {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    font-style: italic;
}

.exhibition-archive-cities {
    display: flex;
    gap: 3rem;
    flex: 1;
}

.exhibition-archive-city {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.exhibition-archive-city-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.exhibition-archive-city-date {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    font-style: italic;
}