/* ===================================
   CSS Variables & Base Styles
   =================================== */
:root {
    /* Color Palette - Sophisticated & Elegant */
    --color-cream: #F7F4EF;
    --color-warm-white: #FDFBF7;
    --color-charcoal: #2C2C2C;
    --color-soft-black: #1A1A1A;
    --color-taupe: #8B847A;
    --color-rose: #C4A4A4;
    --color-rose-light: #E8D5D5;
    --color-sage: #A3B5A8;
    --color-gold: #C9A962;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 10rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-warm-white);
    color: var(--color-charcoal);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1.5rem 3rem;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--color-warm-white);
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-logo {
    color: var(--color-charcoal);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--color-warm-white);
    transition: var(--transition-fast);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--color-charcoal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: var(--transition-fast);
}

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

.nav-btn {
    padding: 0.75rem 1.75rem;
    background: var(--color-soft-black);
    color: var(--color-warm-white);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-btn {
    background: var(--color-soft-black);
    color: var(--color-warm-white);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-warm-white);
    transition: var(--transition-fast);
}

.navbar.scrolled .mobile-menu-btn span {
    background: var(--color-charcoal);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image-container {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    transform: scale(1.05);
    animation: heroZoom 20s ease-out forwards;
}

@keyframes heroZoom {
    to {
        transform: scale(1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.2) 0%,
            rgba(0, 0, 0, 0.4) 50%,
            rgba(0, 0, 0, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-warm-white);
    animation: fadeInUp 1.2s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.25em;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: fadeInUp 1.2s ease-out 0.8s both;
}

.scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-cream);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 2px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 1px solid var(--color-rose);
    opacity: 0.5;
    z-index: 1;
    pointer-events: none;
}

.about-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.03);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
    color: var(--color-charcoal);
}

.section-title--light {
    color: var(--color-warm-white);
}

.about-text {
    font-size: 0.95rem;
    color: var(--color-taupe);
}

.profile-intro {
    font-size: 1.1rem;
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
    line-height: 2;
}

.profile-details {
    border-top: 1px solid rgba(139, 132, 122, 0.3);
    border-bottom: 1px solid rgba(139, 132, 122, 0.3);
    padding: var(--space-md) 0;
    margin-bottom: var(--space-md);
}

.profile-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-xs) 0;
}

.profile-label {
    width: 160px;
    flex-shrink: 0;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-taupe);
}

.profile-value {
    color: var(--color-charcoal);
}

.profile-message {
    font-style: italic;
    color: var(--color-taupe);
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-rose);
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-soft-black);
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.gallery-item--large {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(20%);
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 1;
}

.gallery-item:hover::before {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

/* ===================================
   SNS Section
   =================================== */
.sns {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-warm-white);
}

.sns-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.sns-subtitle {
    color: var(--color-taupe);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.sns-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.sns-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-cream);
    border: 1px solid transparent;
    border-radius: 8px;
    transition: var(--transition-fast);
    text-align: left;
}

.sns-link:hover {
    border-color: var(--color-rose);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(196, 164, 164, 0.15);
}

.sns-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-charcoal);
    border-radius: 50%;
    flex-shrink: 0;
}

.sns-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-warm-white);
}

.sns-name {
    display: block;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--color-charcoal);
}

.sns-handle {
    display: block;
    font-size: 0.85rem;
    color: var(--color-taupe);
    margin-top: 2px;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-2xl) var(--space-md);
    background: linear-gradient(135deg,
            var(--color-charcoal) 0%,
            var(--color-soft-black) 100%);
    text-align: center;
}

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

.contact-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
    font-size: 1.05rem;
}

.contact-btn {
    display: inline-block;
    padding: 1.25rem 3.5rem;
    background: transparent;
    color: var(--color-warm-white);
    border: 1px solid var(--color-warm-white);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    transition: var(--transition-fast);
}

.contact-btn:hover {
    background: var(--color-warm-white);
    color: var(--color-charcoal);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--space-lg) var(--space-md);
    background: var(--color-soft-black);
    text-align: center;
}

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

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-warm-white);
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-rose);
    transform: translateY(-3px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    color: var(--color-warm-white);
}

.footer-copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .about-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-item--large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(26, 26, 26, 0.98);
        padding: 1rem 0;
        gap: 0;
    }

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

    .navbar .nav-links .nav-link,
    .navbar .nav-links .nav-btn {
        padding: 1rem 2rem;
        color: var(--color-warm-white);
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links .nav-btn {
        margin: 1rem 2rem;
        border-radius: 4px;
        border-bottom: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .about {
        padding: var(--space-xl) var(--space-sm);
    }

    .section-title {
        font-size: 2rem;
    }

    .sns-links {
        grid-template-columns: 1fr;
    }

    .sns-link {
        padding: var(--space-sm) var(--space-md);
    }

    .hero-image {
        object-fit: cover;
    }
}

@media (max-width: 480px) {
    .hero-name {
        letter-spacing: 0.15em;
    }

    .hero-title {
        font-size: 0.9rem;
        letter-spacing: 0.1em;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item--large {
        grid-column: span 1;
    }

    .profile-item {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* ===================================
   Floating Contact Button
   =================================== */
.floating-contact-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background-color: var(--color-soft-black);
    color: var(--color-warm-white);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition-fast);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease-out 1s forwards;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    background-color: var(--color-charcoal);
    border-color: var(--color-rose);
}

.floating-contact-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .floating-contact-btn {
        bottom: 20px;
        right: 20px;
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .floating-contact-btn span {
        display: inline-block; /* Ensure text is visible */
    }
}