/* ===================================
   COUXUエンターテイメント LP Styles
   Modern & Minimal Pink Design
   Version: 2.0 - Updated 2026-01-22
   =================================== */

/* ===================================
   変数定義
   =================================== */
:root {
    /* ピンク系メインカラー */
    --color-primary: #E91E63;
    --color-primary-light: #F8BBD9;
    --color-primary-dark: #C2185B;
    --color-accent: #FF4081;
    
    /* グレースケール */
    --color-dark: #111827;
    --color-gray-900: #1F2937;
    --color-gray-700: #374151;
    --color-gray-500: #6B7280;
    --color-gray-300: #D1D5DB;
    --color-gray-100: #F3F4F6;
    --color-white: #FFFFFF;
    
    /* 控えめなシャドウ */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.04);
    
    /* フォント */
    --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* トランジション - cubic-bezier for smooth micro-animations */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.15s var(--ease-out-expo);
    --transition-normal: 0.3s var(--ease-out-expo);
    --transition-slow: 0.5s var(--ease-out-expo);
    
    /* 角丸 - 控えめに */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

/* ===================================
   リセット&基本設定
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--color-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   ナビゲーションバー
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.nav-brand .logo {
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.nav-brand .logo img {
    height: 32px;
    width: auto;
    display: block;
}

.nav-brand .logo .highlight {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu li a:hover {
    color: var(--color-primary);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-normal);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-nav:hover {
    background: var(--color-primary-dark);
}

.btn-nav::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition-normal);
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: var(--color-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary-light);
    top: -10%;
    right: -5%;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--color-primary-light);
    bottom: 10%;
    left: -5%;
}

.shape-3,
.shape-4,
.shape-5 {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
}

.main-catch {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 24px;
    color: var(--color-dark);
    letter-spacing: -0.03em;
}

.gradient-text {
    color: var(--color-primary);
}

.sub-catch {
    display: none;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    margin-bottom: 32px;
    line-height: 1.9;
    max-width: 480px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.hero-visual {
    position: relative;
    height: 600px;
}

.visual-card {
    position: absolute;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}

.visual-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.visual-card:hover img {
    transform: scale(1.03);
}

.card-label {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card-1 {
    width: 300px;
    height: 200px;
    top: 50px;
    left: 0;
    z-index: 3;
    animation-delay: 0.1s;
}

.card-2 {
    width: 280px;
    height: 220px;
    top: 100px;
    right: 50px;
    z-index: 2;
    animation-delay: 0.2s;
}

.card-3 {
    width: 260px;
    height: 180px;
    bottom: 100px;
    left: 100px;
    z-index: 1;
    animation-delay: 0.3s;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-gray-500);
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0;
    animation: fadeIn 1s var(--ease-out-expo) 1s forwards;
}

.mouse {
    width: 20px;
    height: 32px;
    border: 1.5px solid var(--color-gray-300);
    border-radius: 10px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scrollMouse 1.5s var(--ease-out-expo) infinite;
}

@keyframes scrollMouse {
    0% {
        top: 6px;
        opacity: 1;
    }
    100% {
        top: 18px;
        opacity: 0;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===================================
   共通セクションスタイル
   =================================== */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    text-transform: uppercase;
    font-family: var(--font-secondary);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

.highlight-red,
.highlight-yellow,
.highlight-green {
    color: var(--color-primary);
}

/* ===================================
   課題セクション
   =================================== */
.problem {
    background: var(--color-gray-100);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.problem-card {
    background: var(--color-white);
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    transition: var(--transition-normal);
    position: relative;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
}

.problem-card:nth-child(2)::before,
.problem-card:nth-child(3)::before {
    background: var(--color-primary);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    background: var(--color-primary-light);
}

.icon-red,
.icon-orange,
.icon-purple {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-dark);
    line-height: 1.4;
}

.card-description {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.card-stats {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--color-gray-100);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

/* ===================================
   解決策セクション
   =================================== */
.solution {
    background: var(--color-white);
}

.solution-content {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-highlight {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    border: 1px solid var(--color-gray-100);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.feature-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.icon-gold {
    background: var(--color-primary-light);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.4rem;
}

.feature-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-gray-500);
    margin-bottom: 24px;
}

.feature-visual {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.feature-visual img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    transition: var(--transition-normal);
    position: relative;
}

.card-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-700);
    font-family: var(--font-secondary);
}

.icon-blue,
.icon-green {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.solution-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 16px 0 12px;
    color: var(--color-dark);
}

.solution-card p {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gray-500);
    font-weight: 500;
    font-size: 0.9rem;
}

.card-list li i {
    color: var(--color-primary);
    font-size: 1rem;
}

/* ===================================
   パートナーセクション
   =================================== */
.partners {
    background: var(--color-gray-100);
}

.partners-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.partner-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-100);
}

.partner-card-single {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 0;
}

.partner-card-single .partner-image {
    height: 100%;
}

.partner-card-single .partner-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.partner-image {
    position: relative;
    height: 360px;
    overflow: hidden;
}

.partner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.partner-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.partner-info {
    padding: 32px;
}

.partner-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.partner-name-jp {
    font-size: 1rem;
    color: var(--color-gray-500);
    margin-left: 8px;
    font-weight: 400;
}

.partner-role {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.partner-description {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.partner-stats {
    display: flex;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.stat-item i {
    font-size: 1.4rem;
    color: var(--color-primary);
}

.stat-item span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
}

.stat-item small {
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.network-section {
    max-width: 800px;
    margin: 0 auto;
}

.network-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-gray-100);
}

.network-icon {
    width: 72px;
    height: 72px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-primary);
    font-size: 2rem;
}

.network-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.network-card p {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.8;
}

/* ===================================
   サービスセクション
   =================================== */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-100);
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:nth-child(1),
.service-card:nth-child(2),
.service-card:nth-child(3) {
    border-top: 3px solid var(--color-primary);
}

.service-number {
    display: inline-block;
    margin: 24px 24px 10px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 12px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid #e0e3ea;
    width: fit-content;
}

.service-visual {
    width: 100%;
    height: 180px;
    overflow: hidden;
    margin-top: auto;
}

.service-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .service-visual img {
    transform: scale(1.03);
}

.icon-pink,
.icon-cyan,
.icon-lime {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.service-card .card-icon {
    margin: 24px 24px 16px;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 24px 16px;
    color: var(--color-dark);
    line-height: 1.4;
    min-height: 2.8em;
}

.service-description {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin: 0 24px 20px;
    font-size: 0.9rem;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 24px 24px;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-gray-500);
}

.feature-tag i {
    color: var(--color-primary);
    font-size: 0.75rem;
}

/* ===================================
   強みセクション
   =================================== */
.strengths {
    background: var(--color-gray-100);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.strength-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    text-align: center;
    position: relative;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
}

.strength-number {
    display: inline-flex;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    font-family: var(--font-secondary);
    position: absolute;
    top: -10px;
    left: 20px;
}

.strength-card:nth-child(2) .strength-number,
.strength-card:nth-child(3) .strength-number {
    background: var(--color-primary);
}

.strength-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
    color: var(--color-primary);
}

.strength-card:nth-child(2) .strength-icon,
.strength-card:nth-child(3) .strength-icon {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.strength-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
    line-height: 1.4;
}

.strength-card p {
    color: var(--color-gray-500);
    line-height: 1.8;
    font-size: 0.9rem;
}

/* ===================================
   会社概要セクション
   =================================== */
.company {
    background: var(--color-white);
}

.company-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid var(--color-gray-100);
}

.company-table th,
.company-table td {
    padding: 20px 16px;
    text-align: left;
}

.company-table th {
    font-weight: 600;
    color: var(--color-dark);
    white-space: nowrap;
    width: 180px;
    background: var(--color-gray-100);
    font-size: 0.9rem;
}

.company-table th i {
    margin-right: 8px;
    color: var(--color-primary);
}

.company-table td {
    color: var(--color-gray-500);
    line-height: 1.8;
    font-size: 0.95rem;
}

.business-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.business-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
}

.business-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.company-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.company-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   お問い合わせセクション
   =================================== */
.contact {
    background: var(--color-gray-100);
    padding: 100px 0 120px;
}

.contact-content {
    max-width: 720px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.form-group label i {
    color: var(--color-primary);
    font-size: 0.9rem;
}

.required {
    color: var(--color-primary);
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.checkbox-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 16px;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: 0.9rem;
}

.checkbox-label:hover {
    background: var(--color-primary-light);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + span {
    font-weight: 600;
}

.form-submit {
    text-align: center;
    margin-top: 32px;
}

 .form-error {
     margin-top: 16px;
     padding: 14px 16px;
     border-radius: var(--radius-md);
     background: rgba(220, 53, 69, 0.08);
     border: 1px solid rgba(220, 53, 69, 0.25);
     color: #b02a37;
     font-weight: 600;
     line-height: 1.6;
 }

.form-success {
    text-align: center;
    padding: 48px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-white);
    font-size: 2.5rem;
}

.form-success h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.form-success p {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.8;
}

/* ===================================
   フッター
   =================================== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 56px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 48px;
    margin-bottom: 32px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 16px;
}

.footer-logo img {
    display: block;
    height: 44px;
    width: auto;
}

.footer-brand .logo {
    font-size: 1.4rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.footer-brand .logo .highlight {
    color: var(--color-primary);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--color-white);
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.footer-column ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* ===================================
   アニメーション & マイクロインタラクション
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.animate-in {
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

/* スクロールアニメーション用クラス */
.scroll-fade {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

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

/* ボタンリップルエフェクト */
.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s var(--ease-out-expo), height 0.4s var(--ease-out-expo);
}

.btn:active::after {
    width: 200px;
    height: 200px;
}

/* カードホバー時の微細なリフト */
.problem-card,
.solution-card,
.service-card,
.strength-card,
.partner-card,
.network-card {
    transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
}

.problem-card:hover,
.solution-card:hover,
.strength-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* リンクのアンダーラインアニメーション */
.footer-column ul li a {
    position: relative;
}

.footer-column ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.3s var(--ease-out-expo);
}

.footer-column ul li a:hover::after {
    width: 100%;
}

/* フォーカス時のアニメーション */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: translateY(-1px);
}

/* ===================================
   レスポンシブデザイン
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        height: 350px;
        margin: 0 auto;
        max-width: 480px;
    }
    
    .partner-card-single {
        grid-template-columns: 1fr;
    }
    
    .partner-card-single .partner-image {
        height: 460px;
    }
    
    .problem-grid,
    .solution-grid,
    .services-grid,
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .company-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 72px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--color-gray-100);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-normal);
        pointer-events: none;
        gap: 16px;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .hamburger {
        display: flex;
    }
    
    .main-catch {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .checkbox-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-catch {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .card-1, .card-2, .card-3 {
        position: relative;
        width: 100%;
        height: 180px;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        margin-bottom: 16px;
    }
    
    .hero-visual {
        height: auto;
        display: flex;
        flex-direction: column;
    }
}