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

h1, h2, h3, h4, h5, h6, b, strong {
    font-weight: inherit;
}

:root {
    --color-bg: #fff5f8;
    --color-white: #ffffff;
    --color-dark: #1a1a1a;
    --color-text: #2c2c2c;
    --color-text-light: #6b6b6b;
    --color-accent: #d81b60;
    --color-accent-light: #f48fb1;
    --color-accent-dark: #880e4f;
    --color-border: #f8bbd9;
    --color-overlay: rgba(26, 26, 26, 0.4);
    --font-serif: 'Noto Serif SC', 'Cormorant Garamond', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    --font-en: 'Cormorant Garamond', serif;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 245, 248, 0.95);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    box-shadow: 0 1px 0 rgba(216, 27, 96, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    line-height: 1;
}

.nav-logo-img {
    height: 42px;
    width: auto;
    filter: none;
    transition: var(--transition);
}

.navbar.scrolled .nav-logo-img {
    filter: none;
}

.navbar.menu-open {
    background: rgba(255, 255, 255, 0.98);
}

.navbar.menu-open .nav-logo-img {
    filter: none;
}

.logo-cn {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-dark);
    transition: var(--transition);
    letter-spacing: 0.15em;
}

.logo-en {
    font-family: var(--font-en);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--color-dark);
    opacity: 0.7;
    transition: var(--transition);
    margin-top: 2px;
}

.navbar.scrolled .logo-cn,
.navbar.scrolled .logo-en {
    color: var(--color-dark);
}

.navbar.scrolled .logo-en {
    opacity: 0.5;
}

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

.nav-link {
    font-size: 0.9rem;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--color-accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.nav-toggle span {
    width: 24px;
    height: 1.5px;
    background: var(--color-dark);
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-dark);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: var(--color-dark);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: var(--color-dark);
}

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

.hero-sakura {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    animation: heroFadeIn 1.5s ease 0.2s forwards;
}

.hero-sakura-img {
    width: 260px;
    height: auto;
    max-width: 35vw;
    transform: translate(-18%, -18%);
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-dark);
    padding: 0 2rem;
    opacity: 0;
    animation: heroFadeIn 1.5s ease 0.5s forwards;
}

@keyframes heroFadeIn {
    to { opacity: 1; }
}

.hero-brand-img {
    max-width: 360px;
    width: 70vw;
    height: auto;
    margin: 0 auto 1.5rem;
    background: transparent;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hero-slogan {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    margin-bottom: 1rem;
    color: var(--color-accent-dark);
}

.hero-tagline {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-white);
    opacity: 0.85;
    margin-bottom: 3rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: var(--color-accent-dark);
    text-align: center;
    opacity: 0.6;
}

.hero-scroll span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 0.5rem;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(136, 14, 79, 0.2);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 100%;
    height: 40px;
    background: var(--color-accent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -40px; }
    100% { top: 40px; }
}

.hero-company {
    position: absolute;
    bottom: 1.5rem;
    left: 2rem;
    z-index: 3;
    font-size: 0.7rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    opacity: 0.5;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
    background: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(216, 27, 96, 0.35);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(216, 27, 96, 0.45);
}

.btn-outline {
    color: var(--color-accent-dark);
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-accent-dark);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* ===== Section Common ===== */
section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header.center {
    text-align: center;
}

.section-label {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 0.4em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-dark);
    letter-spacing: 0.05em;
}

.section-desc {
    margin-top: 1rem;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== About ===== */
.about {
    background: linear-gradient(135deg, #fff8fb 0%, #fdf2f6 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    padding-right: 2rem;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-en);
    font-size: 2rem;
    color: var(--color-accent);
    font-weight: 500;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin-top: 0.25rem;
}

.about-image {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 92%;
    height: 92%;
    background: radial-gradient(ellipse at center, rgba(248, 187, 208, 0.25) 0%, rgba(248, 187, 208, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.image-frame {
    position: relative;
    z-index: 1;
    overflow: hidden;
    border-radius: 24px;
    box-shadow:
        0 32px 80px rgba(194, 24, 91, 0.12),
        0 8px 24px rgba(194, 24, 91, 0.06);
    transition: transform 0.6s ease, box-shadow 0.6s ease;
}

.image-frame:hover {
    transform: translateY(-6px);
    box-shadow:
        0 40px 100px rgba(194, 24, 91, 0.16),
        0 12px 32px rgba(194, 24, 91, 0.08);
}

.image-frame img {
    width: 100%;
    aspect-ratio: 3 / 4;
    height: auto;
    max-height: 560px;
    object-fit: cover;
    object-position: center 45%;
    display: block;
    transition: transform 0.8s ease;
}

.image-frame:hover img {
    transform: scale(1.03);
}

.image-caption {
    position: relative;
    z-index: 1;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: #9a6b7c;
    letter-spacing: 0.18em;
    text-align: center;
}

/* ===== Collection ===== */
.collection {
    background: var(--color-bg);
}

.collection-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    padding: 1rem 3rem;
    background: none;
    border: none;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    letter-spacing: 0.1em;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.tab-btn.active {
    color: var(--color-dark);
}

.tab-btn.active::after {
    width: 60%;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--color-white);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.inquiry-btn {
    padding: 0.7rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-dark);
    border: none;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.inquiry-btn:hover {
    background: var(--color-white);
    padding: 0.7rem 2.5rem;
}

.product-info {
    padding: 1.25rem 0;
}

.product-info h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.product-info p {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.product-tag {
    display: inline-block;
    font-size: 0.7rem;
    color: var(--color-accent);
    border: 1px solid var(--color-accent-light);
    padding: 0.15rem 0.6rem;
    letter-spacing: 0.1em;
}

.collection-cta {
    text-align: center;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.collection-cta p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* ===== Philosophy ===== */
.philosophy {
    background: var(--color-white);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.philosophy-card {
    text-align: center;
    padding: 2rem 1.5rem;
    transition: var(--transition);
}

.philosophy-card:hover {
    transform: translateY(-4px);
}

.philosophy-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--color-accent);
}

.philosophy-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.philosophy-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ===== Store Location ===== */
.contact {
    background: var(--color-bg);
}

.store-table-wrapper {
    width: 100%;
    background: var(--color-white);
    border-radius: 2px;
    box-shadow: 0 2px 24px rgba(216, 27, 96, 0.08);
    overflow-x: auto;
}

.store-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.store-table thead {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, #6a0a3d 100%);
}

.store-table th {
    padding: 1.2rem 1.5rem;
    text-align: left;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-white);
    white-space: nowrap;
}

.store-table th:first-child {
    width: 26%;
}

.store-table th:last-child {
    width: 20%;
}

.store-table td {
    padding: 1.1rem 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
    border-bottom: 1px solid rgba(216, 27, 96, 0.08);
}

.store-table tbody tr:last-child td {
    border-bottom: none;
}

.store-table tbody tr:nth-child(even) {
    background: rgba(252, 228, 236, 0.35);
}

.store-table tbody tr:hover {
    background: rgba(244, 143, 177, 0.15);
}

.store-table a {
    color: var(--color-accent-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.store-table a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.store-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.5rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 2px;
    vertical-align: middle;
}

.store-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, #6a0a3d 100%);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.05em;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.footer-col a,
.footer-col span {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.3rem 0.8rem;
    border-radius: 2px;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--color-accent-light);
    color: var(--color-accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-filing {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

.footer-company {
    text-align: left;
}

.footer-company p {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.6;
    margin: 0;
}

.footer-filing-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    white-space: nowrap;
}
.footer-filing-label a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer-filing-label a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(216, 27, 96, 0.35);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(216, 27, 96, 0.45);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.4s ease;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-menu .nav-link {
        color: var(--color-dark);
        font-size: 1.2rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-sakura-img {
        width: 200px;
    }

    .hero-content {
        margin-top: 2rem;
    }

    .hero-brand-img {
        max-width: 240px;
    }

    .hero-slogan {
        font-size: 1.25rem;
        letter-spacing: 0.15em;
    }

    .hero-tagline {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .about-stats {
        justify-content: space-around;
        gap: 1.5rem;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .image-frame img {
        aspect-ratio: 3 / 4;
        max-height: 480px;
    }

    .store-table th,
    .store-table td {
        padding: 1rem 1.25rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero-sakura-img {
        width: 160px;
        transform: translate(-22%, -22%);
    }

    .hero-brand-img {
        max-width: 200px;
    }

    .hero-slogan {
        font-size: 1.05rem;
        letter-spacing: 0.12em;
    }

    .hero-tagline {
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.8rem 2rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    .nav-container {
        padding: 0 1.25rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }
}