/* ====================================
   グローバル設定
   ==================================== */
:root {
    /* カラーパレット - ロゴベース */
    --primary-yellow: #FFD93D;
    --primary-magenta: #E91E8C;
    --primary-cyan: #00B8D4;
    --primary-blue: #0091EA;
    
    /* グラデーション */
    --gradient-main: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-magenta) 50%, var(--primary-cyan) 100%);
    --gradient-hero: linear-gradient(120deg, rgba(255, 217, 61, 0.1) 0%, rgba(233, 30, 140, 0.1) 50%, rgba(0, 184, 212, 0.1) 100%);
    
    /* ニュートラルカラー */
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #0A0A0A;
    --border-color: #E5E5E5;
    
    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-colored: 0 8px 32px rgba(233, 30, 140, 0.15);
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* タイポグラフィ */
    --font-ja: 'Noto Sans JP', sans-serif;
    --font-en: 'Inter', sans-serif;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ====================================
   リセット & ベーススタイル
   ==================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ====================================
   コンテナ
   ==================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ====================================
   セクションタイトル
   ==================================== */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-main);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ====================================
   グラデーションテキスト
   ==================================== */
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====================================
   ボタン
   ==================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-100%);
    transition: var(--transition-normal);
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--bg-white);
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(233, 30, 140, 0.25);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-magenta);
    color: var(--primary-magenta);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--gradient-main);
    color: var(--bg-white);
    border-color: transparent;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ====================================
   ヘッダー
   ==================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-img {
    height: 45px;
    width: auto;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition-normal);
}

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

.nav-cta {
    padding: 0.5rem 1.5rem;
    background: var(--gradient-main);
    color: var(--bg-white);
    border-radius: 50px;
    font-weight: 600;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    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: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.circuit-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 217, 61, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(233, 30, 140, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 184, 212, 0.05) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 700px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ====================================
   SNSマーケティングの重要性
   ==================================== */
.importance {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.importance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.importance-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.importance-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-magenta);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: var(--bg-white);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

.source-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

/* ====================================
   Instagram集客の課題
   ==================================== */
.challenges {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.challenge-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-main);
    transform: scaleY(0);
    transition: var(--transition-normal);
}

.challenge-card:hover::before {
    transform: scaleY(1);
}

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

.challenge-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.challenge-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.challenge-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ====================================
   GuideHubとは
   ==================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-text .section-title::after {
    margin: var(--spacing-sm) 0 0;
}

.about-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.about-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-features li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    font-size: 1.0625rem;
    line-height: 1.6;
}

.about-features i {
    color: var(--primary-magenta);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.platform-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-window {
    width: 100%;
    max-width: 400px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.window-header {
    background: var(--bg-light);
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.dot:nth-child(1) {
    background: var(--primary-magenta);
}

.dot:nth-child(2) {
    background: var(--primary-yellow);
}

.dot:nth-child(3) {
    background: var(--primary-cyan);
}

.window-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.dashboard-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--bg-white);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.window-content p {
    font-weight: 600;
    font-size: 1.125rem;
}

/* ====================================
   競合比較
   ==================================== */
.comparison {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    min-width: 800px;
}

.comparison-table thead {
    background: var(--bg-dark);
    color: var(--bg-white);
}

.comparison-table th {
    padding: 1.5rem 1rem;
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
}

.comparison-table th.feature-col {
    text-align: left;
    width: 30%;
}

.small-text {
    font-size: 0.75rem;
    font-weight: 400;
    display: block;
    margin-top: 0.25rem;
}

.table-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.brand-name {
    font-size: 1.125rem;
    font-weight: 900;
}

.badge-recommended {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-main);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.guidehub-col {
    background: linear-gradient(135deg, rgba(255, 217, 61, 0.2) 0%, rgba(233, 30, 140, 0.2) 100%);
}

.comparison-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.comparison-table td {
    padding: 1.25rem 1rem;
    text-align: center;
}

.feature-name {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-detail {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--text-secondary);
    display: block;
    margin-top: 0.25rem;
}

.check-cell {
    color: var(--primary-cyan);
    font-size: 1.5rem;
}

.cross-cell {
    color: var(--text-light);
    font-size: 1.5rem;
    opacity: 0.5;
}

.triangle-cell {
    color: var(--primary-yellow);
    font-size: 1.25rem;
}

.highlight-text {
    color: var(--primary-magenta);
    font-weight: 600;
}

.guidehub-cell {
    background: linear-gradient(135deg, rgba(255, 217, 61, 0.1) 0%, rgba(233, 30, 140, 0.1) 100%);
    color: var(--primary-magenta);
}

.price-row {
    background: var(--bg-light);
    font-weight: 700;
}

.price-row td {
    padding: 1.5rem 1rem;
}

.price-cell {
    font-size: 1.125rem;
}

.price-cell strong {
    color: var(--primary-magenta);
    font-size: 1.25rem;
}

.comparison-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.highlight-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-cyan);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: var(--bg-white);
}

.highlight-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.highlight-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ====================================
   主要機能
   ==================================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-cyan);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--primary-magenta);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ====================================
   活用事例
   ==================================== */
.cases {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
}

.case-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-cyan);
}

.case-industry {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-main);
    color: var(--bg-white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.case-challenge,
.case-solution {
    margin-bottom: var(--spacing-md);
}

.case-challenge h4,
.case-solution h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-magenta);
    margin-bottom: var(--spacing-sm);
}

.case-challenge p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.case-solution ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.case-solution li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.6;
}

.case-solution li i {
    color: var(--primary-cyan);
    margin-top: 3px;
    flex-shrink: 0;
}

.case-solution strong {
    color: var(--primary-magenta);
    font-weight: 700;
}

/* ====================================
   料金プラン
   ==================================== */
.pricing {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--primary-magenta);
    box-shadow: var(--shadow-colored);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-main);
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
}

.plan-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.plan-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.plan-initial {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
}

.plan-features li i {
    color: var(--primary-cyan);
    flex-shrink: 0;
}

.plan-features li.disabled {
    color: var(--text-light);
}

.plan-features li.disabled i {
    color: var(--text-light);
}

.plan-note {
    font-size: 0.875rem;
    color: var(--primary-magenta);
    text-align: center;
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

/* 運用代行料金プラン */
.operation-plans {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.subsection-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.subsection-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.operation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.operation-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.operation-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.operation-card.featured-operation {
    border-color: var(--primary-cyan);
}

.operation-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.operation-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.operation-price {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.price-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
}

.price-note {
    font-size: 0.8125rem;
    color: var(--text-light);
}

.operation-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.operation-features li {
    font-size: 0.9375rem;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.feature-value {
    font-weight: 600;
    color: var(--primary-magenta);
}

.operation-features li.total {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 1.125rem;
}

.operation-features li.total strong {
    color: var(--primary-magenta);
    font-size: 1.25rem;
}

/* ====================================
   お問い合わせ
   ==================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.contact-info .section-title {
    text-align: left;
}

.contact-info .section-title::after {
    margin: var(--spacing-sm) 0 0;
}

.contact-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
}

.contact-item i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-magenta);
    margin-bottom: 0.25rem;
}

.contact-note {
    font-size: 0.875rem;
    color: var(--text-light);
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9375rem;
}

.required {
    color: var(--primary-magenta);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-magenta);
    box-shadow: 0 0 0 3px rgba(233, 30, 140, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ====================================
   フッター
   ==================================== */
.footer {
    background: var(--bg-dark);
    color: var(--bg-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 45px;
    width: auto;
    margin-bottom: var(--spacing-sm);
    filter: none;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-cyan);
    padding-left: 5px;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.company-name {
    font-weight: 700;
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0.25rem;
}

.company-address {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.company-contact {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.company-contact a {
    color: var(--primary-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

.company-contact a:hover {
    color: var(--primary-yellow);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--gradient-main);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ====================================
   レスポンシブデザイン
   ==================================== */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto var(--spacing-xl) auto;
    }
    
    .operation-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: var(--transition-normal);
        gap: var(--spacing-sm);
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .importance-grid,
    .challenges-grid,
    .features-grid,
    .comparison-highlights {
        grid-template-columns: 1fr;
    }
    
    .comparison-table-wrapper {
        border-radius: 10px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 1rem 0.5rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
}