* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* メインカラーパレット: 統一された青系グラデーション */
    --primary-darkest: #3949ab;
    --primary-dark: #5c6bc0;
    --primary: #7986cb;
    --primary-light: #9fa8da;
    --primary-lighter: #c5cae9;
    --primary-lightest: #e8eaf6;
    
    /* アクセントカラー: 統一された青系 */
    --accent-dark: #42a5f5;
    --accent: #64b5f6;
    --accent-light: #90caf9;
    --accent-lighter: #bbdefb;
    --accent-lightest: #e3f2fd;
    
    /* 背景色: 統一されたトーン */
    --bg-white: #ffffff;
    --bg-light: #fafbff;
    --bg-lighter: #f5f7ff;
    --bg-accent: #f0f4ff;
    --bg-primary: #e8eaf6;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    --gradient-bg: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-lighter) 50%, var(--bg-accent) 100%);
    
    /* グレー系 */
    --gray-darkest: #37474f;
    --gray-dark: #455a64;
    --gray-medium: #607d8b;
    --gray-light: #78909c;
    --gray-lighter: #b0bec5;
    --gray-lightest: #eceff1;
    
    /* テキストカラー */
    --text-primary: var(--gray-darkest);
    --text-secondary: var(--gray-dark);
    --text-light: var(--gray-medium);
    --text-white: #ffffff;
    
    /* 影 */
    --shadow-light: rgba(121, 134, 203, 0.08);
    --shadow-medium: rgba(121, 134, 203, 0.12);
    --shadow-heavy: rgba(121, 134, 203, 0.16);
    --shadow-colored: rgba(121, 134, 203, 0.2);
}

body {
    font-family: 'Arial', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--bg-white);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px var(--shadow-medium);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

.nav-cta {
    background: var(--gradient-accent) !important;
    color: var(--text-white) !important;
    padding: 8px 24px;
    border-radius: 25px;
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--shadow-colored);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    background: var(--gradient-bg);
    color: var(--text-primary);
    padding: 120px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(121, 134, 203, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-primary);
    text-shadow: 0 2px 10px var(--shadow-light);
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 18px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px var(--shadow-colored);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--shadow-colored);
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: var(--bg-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.stat-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary-lightest);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px var(--shadow-medium);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* Owner Requirements Section */
.owner-requirements {
    padding: 80px 0;
    background: var(--bg-light);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.requirement-card {
    background: var(--bg-white);
    padding: 30px 25px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary-lightest);
}

.requirement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.requirement-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px var(--shadow-medium);
}

.requirement-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--text-white);
    transform: rotate(-3deg);
    transition: transform 0.3s ease;
}

.requirement-card:hover .requirement-icon {
    transform: rotate(0deg) scale(1.05);
}

.requirement-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
    font-weight: 600;
}

.requirement-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.requirements-highlight {
    margin-top: 60px;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow-light);
}

.highlight-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.highlight-box {
    background: var(--accent-lightest);
    padding: 20px;
    border-radius: 15px;
    margin: 20px 0;
    border-left: 4px solid var(--accent);
}

.highlight-box h4 {
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.highlight-box p {
    color: var(--text-secondary);
    margin: 0;
}

.highlight-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 30px 0;
    font-weight: 500;
}

/* Reassurance Section */
.reassurance-section {
    text-align: center;
    margin: 80px 0 60px;
    padding: 0 20px;
}

.reassurance-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    text-shadow: 0 2px 10px var(--shadow-light);
    position: relative;
    display: inline-block;
}

.reassurance-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

.reassurance-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

.reassurance-description {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 500;
}

@media (max-width: 768px) {
    .reassurance-title {
        font-size: 2.5rem;
    }
    
    .reassurance-subtitle {
        font-size: 1.5rem;
    }
    
    .reassurance-description {
        font-size: 1.1rem;
    }
}

/* Decision Factor Section */
.decision-factor {
    background: var(--accent-lightest);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 30px;
    border: 2px solid var(--accent);
    position: relative;
    overflow: hidden;
}

.decision-factor::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.decision-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--text-white);
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.decision-title {
    font-size: 1.6rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.decision-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 500;
}

/* Trend Box */
.trend-box {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 10px 25px var(--shadow-light);
}

.trend-box h4 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.trend-box p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Target Benefits Section */
.target-benefits {
    padding: 80px 0;
    background: var(--bg-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.benefit-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--primary-lightest);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

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

.benefit-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
    margin-right: 20px;
}

.benefit-title {
    font-size: 1.4rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.benefit-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.benefit-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
}

.roi-highlight {
    background: var(--primary-lightest);
    padding: 20px;
    border-radius: 15px;
    margin-top: 20px;
    text-align: center;
}

.roi-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 5px;
}

.roi-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Problems Section */
.problems {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 60px;
    color: var(--text-primary);
    position: relative;
    font-weight: 700;
    letter-spacing: -1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.problems-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.problem-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    flex: 1;
    min-width: 280px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-lightest);
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px var(--shadow-medium);
}

.problem-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--bg-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.problem-card:hover .problem-icon {
    transform: rotate(0deg) scale(1.05);
}

.problem-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.problem-card ul {
    list-style: none;
    text-align: left;
}

.problem-card li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
}

.problem-card li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background: var(--bg-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.solution-card {
    background: var(--bg-white);
    color: var(--text-primary);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary-lightest);
}

.solution-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-lightest) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.solution-card:hover::after {
    transform: scale(2);
}

.solution-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 45px var(--shadow-medium);
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.solution-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    color: var(--primary-dark);
}

.solution-card ul {
    list-style: none;
    text-align: left;
    position: relative;
    z-index: 1;
}

.solution-card li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Demo Section */
.demo {
    padding: 80px 0;
    background: var(--bg-light);
}

.demo-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.demo-card {
    background: var(--bg-white);
    padding: 30px 25px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary-lightest);
}

.demo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.demo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px var(--shadow-medium);
}

.demo-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--text-white);
    transform: rotate(-3deg);
    transition: transform 0.3s ease;
}

.demo-card:hover .demo-icon {
    transform: rotate(0deg) scale(1.05);
}

.demo-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
    font-weight: 600;
}

.audio-player {
    margin: 20px 0;
    padding: 15px;
    background: var(--bg-lighter);
    border-radius: 12px;
    border: 1px solid var(--primary-lighter);
}

.audio-player audio {
    width: 100%;
    height: 40px;
    outline: none;
}

.demo-note {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 15px;
}

/* Steps Section */
.steps {
    padding: 80px 0;
    background: var(--bg-white);
}

.steps-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    margin: 3rem 0;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.step-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow-light);
    width: 45%;
    position: relative;
    border-left: 4px solid var(--primary);
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.timeline-item:nth-child(even) .step-card {
    border-left: none;
    border-right: 4px solid var(--primary-dark);
}

.step-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 5px 15px var(--shadow-light);
}

.step-card h3 {
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--primary);
}

.step-duration {
    background: var(--primary-lightest);
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 15px;
}

.step-card ul {
    list-style: none;
    margin-bottom: 20px;
}

.step-card li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
}

.step-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.step-result {
    background: var(--accent-lightest);
    color: var(--primary-dark);
    padding: 10px 15px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 25px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid var(--primary-lightest);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    text-align: center;
}

.feature-card ul {
    list-style: none;
    text-align: left;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.feature-card li {
    margin-bottom: 8px;
    padding-left: 70px;
    padding-right: 5px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.5;
    word-wrap: break-word;
}

.feature-card li::before {
    content: '★';
    position: absolute;
    left: 45px;
    color: var(--accent);
    top: 0;
}

/* Footer */
.footer {
    background: var(--bg-white);
    color: var(--text-primary);
    padding: 60px 0 30px;
    text-align: center;
    border-top: 1px solid var(--gray-lightest);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    text-align: left;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-accent);
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    display: block;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-lightest);
    padding-top: 30px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }

    .problems-grid {
        flex-direction: column;
        align-items: center;
    }

    .problem-card {
        min-width: 100%;
        max-width: 400px;
    }

    .timeline::before {
        left: 30px;
    }

    .step-card {
        width: calc(100% - 80px);
        margin-left: 80px;
    }

    .timeline-item:nth-child(even) .step-card {
        margin-left: 80px;
        margin-right: 0;
    }

    .step-number {
        left: 30px;
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .demo-card {
        min-width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .chart-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 30px var(--shadow-light);
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}