.landing-page {
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-yellow: rgba(255, 215, 0, 1);
    --color-yellow-light: rgba(255, 238, 140, 1);
    --color-yellow-dark: rgba(230, 190, 0, 1);
    --color-gray-light: rgba(245, 245, 245, 1);
    --color-gray-medium: rgba(80, 80, 80, 1);
    --color-gray-dark: rgba(40, 40, 40, 1);
    --color-background: var(--color-white);
    --color-surface: var(--color-gray-light);
    --color-text: var(--color-black);
    --color-text-secondary: var(--color-gray-medium);
    --color-primary: var(--color-yellow);
    --color-primary-hover: var(--color-yellow-dark);
    --color-primary-active: var(--color-yellow-dark);
    --text-size-big: 2.25rem;
    --text-size-middle: 1.25rem;
    --text-size-normal: 1.125rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

@media (prefers-color-scheme: dark) {
    .landing-page {
        --color-background: var(--color-white);
        --color-surface: var(--color-gray-light);
        --color-text: var(--color-black);
        --color-text-secondary: var(--color-gray-medium);
        --color-primary: var(--color-yellow);
        --color-primary-hover: var(--color-yellow-dark);
        --color-primary-active: var(--color-yellow-dark);
    }
}

.landing-page .lp-section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.landing-page section:nth-of-type(even) .lp-section-inner {
    max-width: 800px;
}

.landing-page section {
    padding: 80px 0;
}

.landing-page h1,
.landing-page h2,
.landing-page h3 {
    font-weight: 600;
    line-height: 1.2;
}

.landing-page h1 {
    font-size: var(--text-size-big);
    margin-bottom: 24px;
}

.landing-page h2 {
    font-size: var(--text-size-big);
    margin-bottom: 20px;
}

.landing-page h3 {
    font-size: var(--text-size-big);
    margin-bottom: 16px;
}

.landing-page p {
    font-size: var(--text-size-normal);
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.lp-microcopy {
    font-size: var(--text-size-normal);
    color: var(--color-text-secondary);
    text-align: center;
    margin: 16px auto 0;
    max-width: 720px;
}

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

.lp-macro-figure {
    background: var(--color-background);
    border-radius: 12px;
    padding: 16px;
}

.lp-macro-figure img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.lp-influence-points {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
}

.lp-influence-points li {
    font-size: var(--text-size-normal);
    color: var(--color-text);
    margin-bottom: 12px;
    padding-left: 28px;
    position: relative;
}

.lp-influence-points li::before {
    content: "•";
    position: absolute;
    left: 8px;
    top: 0;
    color: var(--color-black);
    font-weight: 700;
}

.lp-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.lp-stat-card {
    background: var(--color-background);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.lp-stat-value {
    font-size: var(--text-size-big);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 8px;
}

.lp-stat-label {
    font-size: var(--text-size-normal);
    color: var(--color-text-secondary);
    margin: 0;
}

.landing-page .lp-section-surface {
    background-color: var(--color-surface);
}

.landing-page .lp-section-white {
    background-color: var(--color-background);
}

.landing-page > section:nth-of-type(odd) {
    background-color: var(--color-surface);
}

.landing-page > section:nth-of-type(even) {
    background-color: var(--color-background);
}

.hero {
    background: var(--color-surface);
    text-align: center;
    padding: 120px 0 100px;
}

.hero h1 {
    color: var(--color-text);
    max-width: 900px;
    margin: 0 auto 16px;
}

.hero h2 {
    font-size: var(--text-size-middle);
    font-weight: 400;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-highlight-tag {
    display: inline-block;
    padding: 0.14em 0.38em;
    background: var(--color-yellow-light);
    border: 2px solid var(--color-yellow-light);
    border-radius: 0.3em;
    line-height: 1;
}

.cta-button {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-black);
    padding: 16px 40px;
    font-size: var(--text-size-normal);
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 215, 0, 0.3);
}

.cta-button:active {
    background: var(--color-primary-active);
    transform: translateY(0);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-header h3 {
    font-size: var(--text-size-middle);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.checklist {
    background: var(--color-surface);
    padding: 40px;
    border-radius: 12px;
    margin: 40px 0;
}

.checklist ul {
    list-style: none;
    padding: 0;
}

.checklist li {
    font-size: var(--text-size-normal);
    color: var(--color-text);
    margin-bottom: 16px;
    padding-left: 32px;
    position: relative;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-black);
    font-weight: bold;
    font-size: var(--text-size-middle);
}

.emphasis-text {
    text-align: center;
    margin: 60px 0;
}

.emphasis-text h3 {
    font-size: var(--text-size-big);
    color: var(--color-text);
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 8px;
}

.emphasis-text strong {
    color: var(--color-black);
    font-weight: 700;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.problem-card {
    background: var(--color-surface);
    padding: 32px;
    border-radius: 12px;
    border-left: 6px solid var(--color-black);
}

.problem-card p {
    color: var(--color-text);
    margin: 0;
}

.lp-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.landing-page section:has(.lp-pricing-grid) .lp-section-inner,
.landing-page section:has(.section-with-image) .lp-section-inner {
    max-width: 1200px;
}

.lp-pricing-card {
    display: flex;
    flex-direction: column;
    background: var(--color-background);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.lp-pricing-card.lp-pricing-featured {
    border-color: var(--color-black);
}

.lp-pricing-head {
    padding: 36px 36px 24px;
}

.lp-pricing-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 999px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.lp-pricing-price {
    font-size: 3rem;
    line-height: 1;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 12px;
}

.lp-pricing-price-period {
    font-size: 1.35rem;
    color: var(--color-text-secondary);
}

.lp-pricing-description {
    margin: 0;
    font-size: var(--text-size-normal);
    color: var(--color-text-secondary);
}

.lp-pricing-body {
    margin-top: auto;
    padding: 30px 36px 36px;
    background: var(--color-surface);
}

.lp-pricing-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lp-pricing-features li {
    position: relative;
    margin-bottom: 14px;
    padding-left: 28px;
    font-size: var(--text-size-normal);
    color: var(--color-text);
}

.lp-pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #16a34a;
    font-weight: 700;
}

.lp-pricing-cta {
    margin-top: 24px;
}

.lp-example-motivation {
    margin-top: 24px;
    font-style: italic;
    color: var(--color-text);
}

.lp-pie-chart {
    display: block;
    width: 360px;
    height: 360px;
    margin: 0 auto 20px;
}

.lp-pie-legend {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.lp-pie-legend li {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.lp-legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.lp-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    text-align: center;
}

.lp-benefit-item {
    padding: 8px 12px;
}

.lp-benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto;
    border-radius: 999px;
    background: var(--color-background);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.lp-benefit-icon-svg {
    width: 24px;
    height: 24px;
    color: var(--color-black);
}

.lp-benefit-content {
    margin-top: 16px;
}

.lp-benefit-content h3 {
    color: var(--color-black);
    font-size: var(--text-size-middle);
    margin-bottom: 8px;
}

.lp-benefit-content p {
    margin: 0;
    color: var(--color-text-secondary);
    text-align: justify;
}

.feature-list {
    max-width: 700px;
    margin: 40px auto;
}

.feature-item {
    background: var(--color-surface);
    padding: 24px 32px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.feature-item h3 {
    color: var(--color-black);
    font-size: var(--text-size-middle);
    margin-bottom: 8px;
    font-weight: 600;
}

.feature-item p {
    margin: 0;
    color: var(--color-text);
}

.section-with-image {
    display: flex;
    gap: 40px;
    align-items: center;
    margin: 40px 0;
}

.section-content {
    flex: 1;
}

.section-image {
    flex: 0 0 400px;
    max-width: 400px;
}

.section-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .landing-page .section-with-image {
        flex-direction: column;
    }

    .landing-page .section-image {
        flex: 1;
        max-width: 100%;
    }

    .landing-page section {
        padding: 60px 0;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .checklist {
        padding: 24px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .lp-stats-grid {
        grid-template-columns: 1fr;
    }

    .lp-pricing-grid {
        grid-template-columns: 1fr;
    }

    .lp-benefits-grid {
        grid-template-columns: 1fr;
    }
}