/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #232526 0%, #414345 100%);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --element-spacing: 2rem;
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* 画像の基本設定 */
img {
    max-width: 100%;
    height: auto;
    display: block;
    opacity: 1 !important;
    transition: opacity 0.3s ease;
    visibility: visible !important;
}

/* 遅延読み込み用の画像のみ透明度をコントロール */
img[data-src] {
    opacity: 0 !important;
}

img[data-src].loaded {
    opacity: 1 !important;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-text {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.loading-text-sub {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: 0.1em;
}

.logo-sub {
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-light);
    letter-spacing: 0.2em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-normal);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -2;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    opacity: 1;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 30%;
    left: 70%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

.hero-content {
    color: var(--white);
    max-width: 800px;
    width: 100%;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
}

.title-main {
    display: block;
    color: var(--white);
    letter-spacing: 0.05em;
}

.title-sub {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.8;
    letter-spacing: 0.1em;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.hero-visual {
    position: relative;
    display: grid;
    gap: 2rem;
}

/* ===== メイン画像カード ===== */
.visual-main-card {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: rotate(-3deg);
    transition: all var(--transition-slow);
    overflow: hidden;
}

.visual-main-card:hover {
    transform: rotate(0deg) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.main-visual-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 20px;
    transition: transform var(--transition-slow);
}

.visual-main-card:hover .main-visual-image {
    transform: scale(1.05);
}

.image-overlay-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 24px rgba(37, 99, 235, 0.4);
    }
}

/* ===== サブ画像ギャラリー ===== */
.visual-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery-overlay i {
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce-icon 0.6s ease;
}

@keyframes bounce-icon {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* ===== 強化された統計情報 ===== */
.visual-stats-enhanced {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    transform-origin: left;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

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

.stat-number {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    text-align: center;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 1px;
    height: 30px;
    background: var(--white);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.about-content {
    display: flex;
    justify-content: center;
}

.about-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    font-style: italic;
    font-family: var(--font-secondary);
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(37, 99, 235, 0.9);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.about-image:hover .image-overlay {
    opacity: 1;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.value-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.value-card:hover {
    transform: translateY(-10px);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

.value-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 0;
}

/* ===== BUSINESS SECTION ===== */
.business {
    padding: var(--section-padding);
    position: relative;
    background: var(--text-dark);
    color: var(--white);
}

.business-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/business-bg.jpg') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.business .section-badge {
    background: var(--gradient-secondary);
}

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

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.business-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.business-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
}

.business-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.business-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.business-card:hover .business-image img {
    transform: scale(1.1);
}

.business-overlay {
    display: none;
}

.business-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.business-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.business-content p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.business-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 1rem;
}

.feature-tag {
    background: rgba(37, 99, 235, 0.4);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(37, 99, 235, 0.3);
    backdrop-filter: blur(5px);
}

/* ===== PRODUCTS SECTION ===== */
.products {
    padding: var(--section-padding);
    background: var(--white);
}

.products-content {
    display: grid;
    gap: 4rem;
}

.featured-brand {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--gray-50);
    border-radius: 20px;
    padding: 3rem;
}

.brand-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.brand-content h3 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.brand-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.brand-visual {
    position: relative;
}

.brand-visual > img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 1rem;
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.product-gallery img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform var(--transition-normal);
}

.product-gallery img:hover {
    transform: scale(1.1);
}

.brands-section h4,
.unique-products h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3.5rem;
    margin-bottom: 3rem;
}

.brand-item {
    text-align: center;
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-normal);
}

.brand-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.brand-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gray-100);
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-item h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    align-items: stretch;
}

.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.product-card img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    background: var(--gray-50);
    flex-shrink: 0;
}

.product-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h6 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

/* ===== HISTORY SECTION ===== */
.history {
    padding: var(--section-padding);
    background: var(--gray-900);
    color: var(--white);
    position: relative;
}

.history-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/history-bg.jpg') center/cover;
    opacity: 0.1;
    z-index: -1;
}

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

.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.timeline-item {
    position: relative;
    margin-bottom: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.timeline-marker {
    position: relative;
    top: 0;
    width: 120px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    z-index: 2;
    margin: 0 auto 1.5rem auto;
}

.timeline-year {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-grow: 1;
}

.timeline-image {
    width: 100%;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

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

.timeline-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.timeline-features .feature {
    background: rgba(37, 99, 235, 0.3);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.global-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
}

.global-stats .stat {
    text-align: center;
}

.global-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-color);
}

.global-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== HISTORY GALLERY ===== */
.history-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.history-gallery-item {
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition-normal);
}

.history-gallery-item:hover {
    transform: scale(1.05);
}

.history-gallery-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

/* ===== COMPANY SECTION ===== */
.company {
    padding: var(--section-padding);
    background: var(--white);
}

.company-content {
    display: grid;
    gap: 4rem;
}

.company-main {
    display: flex;
    justify-content: center;
}

.company-details-section {
    background: var(--gray-50);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--gray-200);
    max-width: 800px;
    width: 100%;
}

.company-details {
    display: grid;
    gap: 1.5rem;
}

.company-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    align-items: start;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.company-item:last-child {
    border-bottom: none;
}

.company-label {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1rem;
}

.company-value {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

/* 海外拠点セクション */
.overseas-offices {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-200);
}

.overseas-offices h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.office-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.office-item {
    text-align: center;
    background: var(--gray-50);
    border-radius: 15px;
    padding: 1.5rem;
    transition: transform var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.office-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.office-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.office-item p {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
    margin: 0;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-subtitle {
    color: var(--accent-color);
    font-weight: 600;
    margin-top: 0.5rem;
}

.contact-details {
    margin: 3rem 0;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-text p {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.contact-time {
    font-size: 0.9rem;
    color: var(--text-light);
}

.contact-company {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
}


/* ===== CONTACT FORM ===== */
.contact-form-section {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--gray-200);
    max-width: 600px;
    width: 100%;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group label .required {
    color: #e74c3c;
    font-weight: 500;
    margin-left: 0.25rem;
    font-size: 0.85rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-normal);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 1.2rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
    width: 100%;
    margin-top: 1rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-main {
    display: grid;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-main {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 0.1em;
}

.footer-logo .logo-sub {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-light);
    letter-spacing: 0.2em;
}

.footer-logo .logo-group {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-section li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-footer {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-footer:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding-top: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .featured-brand {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-section {
        padding: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px !important;
        padding-right: 0 !important;
    }
    
    .timeline-marker {
        left: -40px !important;
        right: auto !important;
        width: 80px;
        height: 40px;
        font-size: 0.8rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .history .container {
        padding: 0 0.25rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .value-card,
    .business-card,
    .product-card {
        margin-bottom: 1rem;
    }
    
    .contact-form-section {
        padding: 1.5rem;
    }
    
    .timeline-item {
        padding-left: 0 !important;
    }
    
    .timeline-content {
        padding: 0.75rem;
    }
    
    .timeline-marker {
        left: 0 !important;
        width: 60px;
        height: 30px;
        font-size: 0.7rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* AOS Animation Overrides */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ===== IMAGE MODAL ===== */
.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.8) translateY(50px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.modal-content img {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.modal-info {
    padding: 1.5rem;
    text-align: center;
    background: var(--gray-50);
}

.modal-info h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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