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

:root {
    /* カラーパレット */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent-color: #f97316;
    --accent-dark: #ea580c;
    
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* タイポグラフィ */
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* ブレークポイント */
    --bp-mobile: 768px;
    --bp-tablet: 1024px;
    --bp-desktop: 1280px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========================================
   タイポグラフィ
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 3rem;
}

/* ========================================
   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: all 0.3s ease;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-display);
}

.logo i {
    font-size: 1.5rem;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    display: none;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.mobile-menu-link:hover {
    background: var(--bg-light);
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========================================
   ファーストビュー
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--primary-color) 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, var(--accent-color) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 3rem 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.hero-feature i {
    color: var(--success-color);
    font-size: 1.5rem;
}

.hero-feature span {
    text-align: left;
    font-size: 0.95rem;
}

.hero-feature strong {
    color: var(--primary-color);
}

.hero-cta {
    margin-bottom: 1.5rem;
}

.hero-cta-note {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.hero-target {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.hero-target i {
    color: var(--primary-color);
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }
.fade-in:nth-child(6) { animation-delay: 0.6s; }

/* ========================================
   痛みポイントセクション
   ======================================== */
.problems {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.problems-grid {
    display: grid;
    gap: 2.5rem;
}

.problem-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.problem-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.problem-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.problem-title {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.problem-comparison {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.problem-before,
.problem-after {
    padding: 1.5rem;
    border-radius: 12px;
}

.problem-before {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border: 2px solid var(--danger-color);
}

.problem-after {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border: 2px solid var(--success-color);
}

.label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.label-danger {
    background: var(--danger-color);
    color: white;
}

.label-success {
    background: var(--success-color);
    color: white;
}

.problem-before h4,
.problem-after h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.problem-before ul,
.problem-after ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.problem-before li,
.problem-after li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.problem-before li i {
    color: var(--danger-color);
    margin-top: 2px;
}

.problem-after li i {
    color: var(--success-color);
    margin-top: 2px;
}

.problem-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
}

.problem-arrow i {
    font-size: 2rem;
    color: var(--primary-color);
}

.problem-metric {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.metric-value {
    color: var(--text-gray);
}

.metric-value.highlight {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.metric-arrow {
    color: var(--primary-color);
}

/* ========================================
   ソリューションセクション
   ======================================== */
.solution {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.sprint-cycle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.cycle-step {
    flex: 1;
    min-width: 150px;
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.cycle-step:hover {
    transform: scale(1.05);
}

.cycle-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cycle-step h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.cycle-step p {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.cycle-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.value-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.value-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ========================================
   主要機能セクション
   ======================================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

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

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    color: white;
    font-size: 1.75rem;
}

.feature-header h3 {
    font-size: 1.25rem;
}

.feature-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-benefit {
    background: var(--bg-light);
    padding: 1.25rem;
    border-radius: 12px;
}

.benefit-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 0.75rem;
}

.benefit-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.metric-before {
    color: var(--text-gray);
}

.metric-after {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.benefit-metric i {
    color: var(--primary-color);
}

/* ========================================
   導入効果セクション
   ======================================== */
.results {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.results .section-title {
    color: white;
    -webkit-text-fill-color: white;
}

.results .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.result-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.result-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.5);
}

.result-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.result-icon i {
    font-size: 3.5rem;
    color: var(--accent-color);
}

.result-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.result-number {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.result-number .number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--accent-color);
    line-height: 1;
}

.result-number .plus {
    font-size: 3rem;
    color: var(--accent-color);
}

.result-number .unit {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
}

.result-content p {
    color: rgba(255, 255, 255, 0.9);
}

.results-note {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   業界別メリットセクション
   ======================================== */
.industry {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.industry-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.industry-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.industry-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.industry-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-color: var(--primary-color);
    color: white;
}

.industry-tab i {
    font-size: 1.25rem;
}

.industry-content {
    position: relative;
}

.industry-panel {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.industry-panel.active {
    display: block;
}

.industry-panel-content {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.industry-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.industry-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
}

.industry-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.industry-benefits li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
}

.industry-benefits i {
    color: var(--success-color);
    font-size: 1.25rem;
}

.industry-recommend {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.recommend-label {
    font-weight: 600;
    color: var(--text-gray);
}

.recommend-plan {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.125rem;
}

.industry-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.visual-card {
    flex: 1;
    min-width: 200px;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.visual-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.visual-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.visual-card p {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.visual-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
}

.visual-arrow i {
    font-size: 2rem;
}

.visual-arrow span {
    font-size: 0.875rem;
    font-weight: 600;
}

.visual-metric {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.metric-item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 0.75rem;
}

.metric-item .metric-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-gray);
}

.metric-item .metric-number.highlight {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.metric-item .metric-arrow {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.visual-metric p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.visual-stat {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.visual-stat i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.visual-stat h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.visual-stat p {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* ========================================
   料金プランセクション
   ======================================== */
.pricing {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    position: relative;
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: 0.5rem;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    font-size: 1.25rem;
    color: var(--text-gray);
}

.pricing-users {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.pricing-discount {
    text-align: center;
    padding: 0.75rem;
    background: rgba(249, 115, 22, 0.1);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.discount-text {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-right: 0.5rem;
}

.discount-amount {
    font-weight: 700;
    color: var(--accent-color);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i.fa-check {
    color: var(--success-color);
}

.pricing-features i.fa-times {
    color: var(--text-light);
}

.pricing-recommend-for {
    background: var(--bg-light);
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.pricing-recommend-for strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.pricing-recommend-for p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

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

.pricing-note {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.95rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.pricing-note i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* ========================================
   CTAセクション
   ======================================== */
.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.cta-info-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.cta-info-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: white;
}

.cta-info-item p {
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    margin-bottom: 2rem;
}

.cta-buttons .btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
}

.cta-contact {
    color: rgba(255, 255, 255, 0.9);
}

.cta-contact i {
    margin-right: 0.5rem;
}

.contact-email {
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    transition: border-color 0.3s ease;
}

.contact-email:hover {
    border-color: white;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    padding: 3rem 0 1.5rem;
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

/* ========================================
   トップへ戻るボタン
   ======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .problems-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .sprint-cycle {
        flex-direction: column;
    }
    
    .cycle-arrow {
        transform: rotate(90deg);
    }
    
    .industry-tabs {
        flex-direction: column;
    }
    
    .industry-panel-content {
        padding: 2rem 1.5rem;
    }
    
    .industry-visual {
        flex-direction: column;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
    
    .cta-info {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .result-number .number {
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .problem-card,
    .feature-card,
    .pricing-card {
        padding: 1.5rem;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}