:root {
    --bg-color: #ffffff;
    --text-color: #222222;
    --accent-color: #999999;
    --font-main: 'Inter', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    
    /* Spacing - drastically increased for "Ma" (negative space) */
    --spacing-xs: 1.5rem;
    --spacing-sm: 3rem;
    --spacing-md: 8rem;
    --spacing-lg: 15rem;
    --spacing-xl: 25rem;
    
    --container-width: 1400px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    font-weight: 300;
    font-size: 13px;
    line-height: 2.2;
    overflow-x: hidden;
    cursor: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.5s ease;
}

a:hover {
    opacity: 0.5;
}

ul {
    list-style: none;
}

/* Custom Cursor - Refined */
.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-color);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(26, 26, 26, 0.3);
    transition: width 0.3s ease-out, height 0.3s ease-out, background-color 0.3s ease-out;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 100;
    mix-blend-mode: difference;
    color: #fff;
}

.logo {
    font-family: var(--font-main);
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: right;
}

.nav-link {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    position: relative;
    text-transform: uppercase;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.menu-toggle {
    display: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 var(--spacing-sm);
}

.hero-title-box {
    position: relative;
    display: inline-block;
    padding: clamp(2rem, 4vw, 3rem) clamp(3rem, 6vw, 5rem);
    margin-bottom: var(--spacing-sm);
}

.hero-box-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid var(--text-color);
    opacity: 0.3;
    pointer-events: none;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3.5rem, 9vw, 8rem);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: 0.1em;
    color: #111;
    margin: 0;
}

.hero-subtitle {
    font-size: 0.85rem;
    color: var(--accent-color);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-top: var(--spacing-sm);
    font-weight: 300;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    font-size: 0.55rem;
    letter-spacing: 0.3em;
    opacity: 0.4;
}

.scroll-indicator .line {
    width: 1px;
    height: 100px;
    background-color: var(--text-color);
    animation: scrollLine 2.5s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Sections General */
.section-padding {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-title {
    font-size: 1.1rem;
    letter-spacing: 0.3em;
    font-weight: 300;
    color: var(--text-color);
    display: inline-block;
}

/* News Section */
.news-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
.news-list {
    list-style: none;
    border-top: 1px solid rgba(34, 34, 34, 0.1);
}
.news-item {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(34, 34, 34, 0.1);
    font-size: 0.85rem;
    align-items: baseline;
}
.news-date {
    font-family: var(--font-main);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--text-color);
    flex: 0 0 150px;
}
.news-content {
    font-family: var(--font-serif);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--text-color);
    flex: 1;
    line-height: 1.6;
}
.news-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-medium);
}
.news-link:hover {
    border-bottom: 1px solid rgba(34, 34, 34, 0.5);
}

@media (max-width: 768px) {
    .news-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    .news-date {
        flex: auto;
        font-size: 0.75rem;
        color: rgba(34, 34, 34, 0.6);
    }
}

/* Works Section */
.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg) var(--spacing-md);
}

.work-item {
    cursor: pointer;
    display: block;
}

/* Staggered layout */
.work-item:nth-child(even) {
    margin-top: var(--spacing-lg);
}

.work-image-wrapper {
    overflow: hidden;
    margin-bottom: 2rem;
    position: relative;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    filter: grayscale(20%);
}

.work-item:hover .placeholder-image {
    transform: scale(1.03);
    filter: grayscale(0%);
}

.work-info {
    text-align: center;
    opacity: 0.8;
    transition: opacity 0.5s ease;
}

.work-item:hover .work-info {
    opacity: 1;
}

.work-title {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.work-year {
    font-size: 0.75rem;
    color: var(--accent-color);
    letter-spacing: 0.15em;
}
.view-archive-btn {
    display: inline-block;
    font-family: var(--font-main);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    font-weight: 300;
    text-transform: uppercase;
    padding-bottom: 0.5rem;
    margin-top: var(--spacing-sm);
    border-bottom: 1px solid rgba(34, 34, 34, 0.4);
    transition: opacity 0.4s ease;
}
.view-archive-btn:hover {
    opacity: 0.5;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text {
    padding-left: var(--spacing-sm);
}

.about-bio {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    line-height: 2.8;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    text-align: justify;
    font-weight: 300;
    letter-spacing: 0.08em;
}

/* Exhibitions Section */
.exhibition-content {
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--font-serif);
}

.exhibition-category {
    font-family: var(--font-main);
    font-size: 0.65rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    border-bottom: 1px solid rgba(34, 34, 34, 0.1);
    padding-bottom: 1.5rem;
    color: var(--accent-color);
}

.exhibition-category:first-child {
    margin-top: 0;
}

.exhibition-list {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.exhibition-list li {
    display: flex;
    align-items: baseline;
    gap: 4rem;
}

.ex-year {
    font-size: 0.75rem;
    color: var(--accent-color);
    letter-spacing: 0.15em;
    flex-shrink: 0;
    width: 60px;
}

.ex-detail {
    font-size: 0.85rem;
    line-height: 2.0;
    letter-spacing: 0.08em;
    font-weight: 300;
}

/* Contact Section */
.contact-container {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: var(--spacing-lg);
}

.contact-email {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    position: relative;
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width 0.5s ease;
}

.contact-email:hover::after {
    width: 100%;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.social-link {
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.copyright {
    font-size: 0.7rem;
    color: var(--accent-color);
    letter-spacing: 0.1em;
}

.privacy-link {
    font-size: 0.65rem;
    color: var(--accent-color);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.privacy-link:hover {
    color: var(--text-color);
}

/* Lightbox Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(17, 17, 17, 0.98);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    transform: scale(0.95);
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-caption {
    font-family: var(--font-serif);
    color: #fff;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.lightbox-metadata {
    font-family: var(--font-serif);
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.6rem;
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: #fff;
    font-family: var(--font-main);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    background: none;
    border: none;
    text-transform: uppercase;
    transition: opacity 0.3s ease;
    z-index: 10;
    padding: 1rem;
}

.lightbox-close:hover {
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --spacing-md: 4rem;
        --spacing-lg: 8rem;
        --spacing-xl: 12rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-sm: 2rem;
        --spacing-md: 3rem;
        --spacing-lg: 5rem;
        --spacing-xl: 8rem;
    }

    .header {
        padding: 1.5rem;
    }

    .nav-list {
        display: none; /* Mobile menu to be implemented if needed, or keep simple */
    }
    
    /* Simple mobile nav for now */
    .nav {
        display: none; 
    }

    .menu-toggle {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        cursor: pointer;
        z-index: 101;
    }
    
    .menu-toggle span {
        display: block;
        width: 100%;
        height: 1px;
        background-color: #fff;
        position: absolute;
        left: 0;
        transition: all 0.3s ease;
    }
    
    .menu-toggle span:first-child { top: 0; }
    .menu-toggle span:last-child { bottom: 0; }

    .works-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .work-item:nth-child(even) {
        margin-top: 0;
    }

    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        padding-left: 0;
    }

    .about-bio {
        font-size: 14px;
        line-height: 2.0;
        letter-spacing: 0.05em;
    }

    .exhibition-list {
        gap: 0;
    }

    .exhibition-list li {
        flex-direction: column;
        gap: 0.2rem;
        margin-bottom: 1.8rem;
    }

    .ex-year {
        font-size: 13px;
        letter-spacing: 0.1em;
    }

    .ex-detail {
        font-size: 14px;
        line-height: 1.8;
        letter-spacing: 0.05em;
    }
}