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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Press Start 2P', 'Noto Sans JP', 'Inter', monospace;
    color: #2c3e50;
    background-color: #f8f9fa;
    line-height: 1.8;
    letter-spacing: 0.3px;
}

/* Logo-inspired color variables */
:root {
    --logo-orange: #d38057;
    --logo-red: #c34423;
    --logo-dark-green: #244424;
    --logo-green: #248e26;
    --logo-brown: #9e6b10;
    --logo-light-green: #57aa71;
    --logo-pale-green: #a8d5ba;
    --logo-gradient: linear-gradient(135deg, var(--logo-green) 0%, var(--logo-pale-green) 100%);
    --logo-gradient-reverse: linear-gradient(135deg, var(--logo-pale-green) 0%, var(--logo-green) 100%);
}

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

/* ========== Header / Navigation ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 4px solid #000;
    padding: 1rem 0;
    box-shadow: 0 4px 0px #000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: #2c3e50;
    text-decoration: none;
    font-family: 'Press Start 2P', monospace;
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    background-color: white;
    border: 2px solid #000;
    box-shadow: 3px 3px 0px #000;
    font-family: 'Press Start 2P', monospace;
}

.nav-link:hover {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0px #000;
    color: var(--logo-green);
}

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

.nav-link:hover::after {
    display: none;
}

.header-cta {
    display: flex;
    gap: 1rem;
}
.hero-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    border: 2px solid black;
    box-shadow: 5px 5px;
}
/* ========== Buttons ========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Press Start 2P', 'Noto Sans JP', 'Inter', monospace;
    box-shadow: 4px 4px 0px #000;
    position: relative;
}

.btn:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px #000;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(36, 68, 36, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #4CAF50;
    border: 2px solid #4CAF50;
}

.btn-secondary:hover {
    background-color: #f0f8f5;
}

.btn-secondary-outline {
    background-color: transparent;
    color: #2c3e50;
    border: 2px solid #2c3e50;
}

.btn-secondary-outline:hover {
    background-color: #f5f5f5;
}

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

/* ========== Hero Section ========== */
.hero {
    padding: 6rem 0;
    background-color: white;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

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

.hero-subtitle {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.plant-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
}

.plant-illustration svg {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
    filter: contrast(1.2) brightness(1.1) saturate(1.3);
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ========== Challenge Section ========== */
.challenge {
    padding: 5rem 0;
    background-color: #fafafa;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.challenge-card {
    background-color: white;
    padding: 2rem;
    border-radius: 0px;
    border: 4px solid #000;
    box-shadow: 6px 6px 0px #000;
    transition: all 0.3s ease;
    position: relative;
}

.challenge-card:nth-child(2) {
    border-left-color: var(--logo-orange);
}

.challenge-card:nth-child(3) {
    border-left-color: var(--logo-green);
}

.challenge-card:hover {
    transform: translate(3px, 3px);
    box-shadow: 3px 3px 0px #000;
}

.challenge-icon {
    margin-bottom: 1.5rem;
}

.challenge-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.6;
    color: #2c3e50;
}

/* ========== Concept Section ========== */
.concept {
    padding: 5rem 0;
    background-color: white;
}

.concept-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.concept-text {
    z-index: 2;
}

.concept-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.concept-description {
    font-size: 1.05rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.concept-highlight {
    background: linear-gradient(135deg, rgba(36, 68, 36, 0.1) 0%, rgba(211, 128, 87, 0.1) 100%);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--logo-green);
}

.concept-highlight p {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 500;
}

.concept-highlight p:last-child {
    margin-bottom: 0;
}

/* Pyramid Visualization */
.pyramid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pyramid-level {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: #f5f5f5;
    border-bottom: 1px solid #eee;
}

.pyramid-level span:first-child {
    font-weight: 500;
    color: #2c3e50;
}

.retention {
    font-weight: 700;
    color: #4CAF50;
}

.pyramid-level.level-2 {
    background-color: #f9f9f9;
}

.pyramid-level.level-3 {
    background-color: #f5f5f5;
}

.pyramid-level.level-4 {
    background-color: #f9f9f9;
}

.pyramid-level.level-5 {
    background-color: #f5f5f5;
}

.pyramid-level.level-6 {
    background-color: #f9f9f9;
}

.pyramid-level.highlight-level {
    background: linear-gradient(135deg, rgba(36, 68, 36, 0.15) 0%, rgba(211, 128, 87, 0.15) 100%);
    border: 2px solid var(--logo-orange);
    padding: 1.25rem 1.5rem;
}

.pyramid-level.highlight-level .retention {
    color: var(--logo-orange);
}

/* ========== Features Section ========== */
.features {
    padding: 5rem 0;
    background-color: #fafafa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 0px;
    text-align: center;
    transition: all 0.3s ease;
    border: 4px solid #000;
    box-shadow: 8px 8px 0px #000;
    position: relative;
}

.feature-card:nth-child(2) {
    border-top-color: var(--logo-orange);
}

.feature-card:nth-child(3) {
    border-top-color: var(--logo-green);
}

.feature-card:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0px #000;
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.feature-number.orange {
    background: var(--logo-gradient-reverse);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature-card p {
    color: #555;
    line-height: 1.7;
}

/* ========== Program Section ========== */
.program {
    padding: 5rem 0;
    background-color: white;
}

.program-timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 24px;
    top: 60px;
    width: 2px;
    height: 60px;
    background: var(--logo-gradient);
}

.timeline-marker {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-dot {
    width: 50px;
    height: 50px;
    border-radius: 0px;
    background: var(--logo-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 6px 6px 0px #000;
    border: 3px solid white;
    position: relative;
}

.timeline-dot.orange {
    background: var(--logo-gradient-reverse);
    box-shadow: 6px 6px 0px #000;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.timeline-content p {
    color: #666;
    font-size: 0.95rem;
}

/* ========== Results Section ========== */
.results {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(36, 68, 36, 0.05) 0%, rgba(211, 128, 87, 0.05) 100%);
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #555;
    font-size: 1rem;
}

.results-description {
    text-align: center;
    color: #555;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ========== Working Style Section ========== */
.work-style {
    padding: 5rem 0;
    background-color: #fafafa;
}

.work-style .section-title {
    margin-bottom: 3rem;
}

.work-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.work-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.work-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(36, 68, 36, 0.15) 0%, rgba(36, 68, 36, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.work-icon.orange {
    background: linear-gradient(135deg, rgba(211, 128, 87, 0.15) 0%, rgba(211, 128, 87, 0.05) 100%);
}

.work-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.work-card p {
    color: #555;
    line-height: 1.7;
}

/* ========== Message Section ========== */
.message {
    padding: 5rem 0;
    background-color: white;
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
}

.message-text {
    font-size: 1.05rem;
    color: #2c3e50;
    line-height: 2;
    margin-bottom: 2rem;
}

.message-text p {
    margin-bottom: 1.5rem;
}

.message-text p:first-of-type {
    color: #4CAF50;
    font-weight: 600;
}

.message-signature {
    text-align: right;
}

.signature-name {
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
}

/* ========== About Section ========== */
.about {
    padding: 5rem 0;
    background-color: #fafafa;
}

.about-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.info-group {
    margin-bottom: 2rem;
}

.info-group label {
    display: block;
    font-weight: 600;
    color: #4CAF50;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-group p {
    color: #555;
    font-size: 1rem;
    line-height: 1.6;
}

/* ========== CTA Section ========== */
.cta-section {
    padding: 5rem 0;
    background: var(--logo-dark-green);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: var(--logo-gradient);
    color: white;
}

.cta-section .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.cta-section .btn-secondary {
    border-color: white;
    color: white;
}

.cta-section .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ========== Footer ========== */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-section p {
    font-size: 0.9rem;
    color: #bbb;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #bbb;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--logo-green);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 2rem;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        padding-top: 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn,
    .btn-large {
        width: 100%;
        text-align: center;
    }

    .concept-content {
        grid-template-columns: 1fr;
    }

    .nav {
        display: none;
    }

    .header-cta {
        gap: 0.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

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

    .work-style-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .timeline-item {
        gap: 1.5rem;
    }

    .pyramid-level {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .header {
        padding: 0.8rem 0;
    }

    .header-content {
        gap: 1rem;
    }

    .logo {
        gap: 0.4rem;
    }

    .logo-img {
        height: 30px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }
}