@charset "UTF-8";
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Buttons */
.btn-line {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: #06C755;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.btn-line:hover {
    background-color: #059F46;
}

.btn-line img {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    filter: brightness(0) invert(1);
}

.btn-line-large {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background-color: #06C755;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
    transition: all 0.3s ease;
}

.btn-line-large:hover {
    background-color: #059F46;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
}

.btn-line-large img {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    filter: brightness(0) invert(1);
}

.btn-line-white {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background-color: white;
    color: #8B5CF6;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.btn-line-white:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-line-white img {
    width: 24px;
    height: 24px;
    margin-right: 12px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 16px 0;
}

.header.scrolled {
    padding: 8px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo span {
    font-size: 28px;
    font-weight: 700;
    color: #8B5CF6;
}

.desktop-nav {
    display: flex;
    gap: 40px;
}

.desktop-nav a {
    color: #4B5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.desktop-nav a:hover {
    color: #8B5CF6;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #6B7280;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.mobile-menu-content {
    background-color: white;
    margin: 8px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #E5E7EB;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: #6B7280;
    cursor: pointer;
    padding: 8px;
}

.mobile-nav {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    color: #4B5563;
    text-decoration: none;
    font-weight: 500;
    gap: 12px;
}

.mobile-nav-item .material-icons {
    color: #8B5CF6;
}

.mobile-btn-line {
    justify-content: center;
    margin-top: 10px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: black;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title .highlight {
    color: #C4B5FD;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 48px auto;
    opacity: 0.9;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: white;
    text-decoration: none;
}

.hero-scroll .material-icons {
    font-size: 48px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 16px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: #8B5CF6;
    margin: 0 auto 24px auto;
}

.section-description {
    font-size: 1.125rem;
    color: #6B7280;
    max-width: 800px;
    margin: 0 auto;
}

/* Pain Points Section */
.pain-points {
    padding: 100px 0;
    background-color: #F9FAFB;
}

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

.pain-item {
    text-align: center;
    padding: 40px 24px;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pain-icon {
    width: 80px;
    height: 80px;
    background-color: #FEF3C7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
}

.pain-icon .material-icons {
    font-size: 36px;
    color: #F59E0B;
}

.pain-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.pain-item p {
    color: #6B7280;
    line-height: 1.6;
}

.pain-item.highlight {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    color: white;
}

.pain-item.highlight h3 {
    color: white;
    font-size: 1.125rem;
    text-align: center;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: white;
}

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

.feature-item {
    padding: 40px;
    background-color: #F8F9FA;
    border-radius: 16px;
    border-left: 4px solid #8B5CF6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-number {
    width: 50px;
    height: 50px;
    background-color: #8B5CF6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    color: white;
    font-size: 20px;
    font-weight: 700;
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
}

.feature-item {
    padding: 40px;
    background-color: #F8F9FA;
    border-radius: 16px;
    border-left: 4px solid #8B5CF6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    margin-top: 25px;
}

.feature-item h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.feature-item p {
    color: #4B5563;
    line-height: 1.7;
}

/* Why Bar Section */
.why-bar {
    padding: 100px 0;
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    color: white;
}

.why-bar .section-header h2 {
    color: white;
}

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

.why-bar-item {
    text-align: center;
    padding: 40px 24px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.why-bar-item:hover {
    transform: translateY(-5px);
}

.why-bar-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
}

.why-bar-icon .material-icons {
    font-size: 36px;
    color: white;
}

.why-bar-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.why-bar-item p {
    line-height: 1.6;
    opacity: 0.9;
}

.why-bar-number {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.why-bar-item {
    position: relative;
}

/* Zero Cost Section */
.zero-cost {
    padding: 100px 0;
    background-color: #1F2937;
    color: white;
}

.zero-cost-explanation {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
}

.zero-cost-explanation p {
    font-size: 1.125rem;
    color: #4B5563;
    line-height: 1.7;
}

.cost-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.cost-item {
    background-color: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.cost-item.traditional {
    border-top: 4px solid #EF4444;
}

.cost-item.zerostarts {
    border-top: 4px solid #06C755;
}

.cost-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
}

.cost-breakdown {
    space: 16px 0;
}

.cost-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #E5E7EB;
}

.cost-line:last-child {
    border-bottom: none;
}

.cost-line .free {
    color: #06C755;
    font-weight: 600;
}

.cost-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-top: 16px;
    border-top: 2px solid #E5E7EB;
    font-weight: 700;
    font-size: 1.125rem;
}

.cost-total.zero span:last-child {
    color: #06C755;
    font-size: 1.5rem;
}

.zero-cost .section-header h2 {
    color: white;
}

.zero-cost-highlight {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    border-radius: 16px;
    padding: 40px;
    margin: 60px auto;
    max-width: 800px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.zero-cost-highlight h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.highlight-text {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 32px;
}

.support-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.support-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.support-item .material-icons {
    color: #FDE68A;
    font-size: 24px;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.strength-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.strength-item:hover {
    transform: translateY(-5px);
}

.strength-icon {
    width: 80px;
    height: 80px;
    background-color: #8B5CF6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.strength-icon .material-icons {
    font-size: 36px;
    color: white;
}

.strength-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.strength-item p {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* LINE CTA Section */
.line-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    color: white;
}

.line-cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.line-cta-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.line-cta-content > p {
    font-size: 1.125rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.line-cta-button {
    margin-bottom: 24px;
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FDE68A;
    margin-bottom: 24px;
    line-height: 1.3;
}

.line-cta-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Success Stories Section */
.success-stories {
    padding: 100px 0;
    background-color: white;
}

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

.story-item {
    background-color: #F9FAFB;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.story-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.story-image {
    height: 200px;
    overflow: hidden;
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.story-content {
    padding: 32px;
}

.story-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.story-content p {
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 24px;
}

.story-stats {
    display: flex;
    gap: 32px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #8B5CF6;
}

.stat-label {
    font-size: 0.875rem;
    color: #6B7280;
}

/* Process Section */
.process {
    padding: 100px 0;
    background-color: #F9FAFB;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 24px;
    margin-bottom: 60px;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 60px;
    bottom: -60px;
    width: 2px;
    background-color: #E5E7EB;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #8B5CF6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    background-color: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: relative;
}

.step-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.step-content p {
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 16px;
}

.step-duration {
    display: inline-block;
    background-color: #EEF2FF;
    color: #6366F1;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}



/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: white;
}

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background-color: #F9FAFB;
    padding: 60px;
    border-radius: 24px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-form h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #8B5CF6;
    margin-bottom: 16px;
}

.contact-benefit-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #7C3AED;
    margin-bottom: 16px;
    line-height: 1.3;
}

.contact-form > p {
    color: #6B7280;
    margin-bottom: 32px;
}

.contact-cta {
    margin-bottom: 24px;
}

.contact-note {
    font-size: 0.875rem;
    color: #6B7280;
    margin-bottom: 32px;
}

.contact-features {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.contact-feature {
    text-align: center;
}

.contact-feature .feature-icon {
    width: 48px;
    height: 48px;
    background-color: #EEF2FF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px auto;
}

.contact-feature .material-icons {
    font-size: 24px;
    color: #8B5CF6;
}

.contact-feature p {
    font-size: 0.75rem;
    color: #6B7280;
}

/* Footer */
.footer {
    background-color: #1F2937;
    color: white;
    padding: 80px 0 40px 0;
}

.footer-content {
    text-align: center;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand > p {
    color: #D1D5DB;
    margin-bottom: 32px;
}

.company-info {
    font-size: 0.875rem;
    color: #9CA3AF;
}

.company-info p {
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    color: #9CA3AF;
    font-size: 0.875rem;
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.floating-cta.show {
    opacity: 1;
    transform: scale(1);
    animation: float 2s infinite ease-in-out;
}

.floating-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #06C755;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
    text-decoration: none;
    transition: all 0.3s ease;
}

.floating-btn:hover {
    background-color: #059F46;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
}

.floating-btn img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-nav,
    .cta-wrapper {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .cost-comparison {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .vs-divider {
        display: none;
    }

    .contact-features {
        flex-direction: column;
        gap: 16px;
    }

    .contact-form {
        padding: 40px 24px;
    }

    .process-step {
        flex-direction: column;
        gap: 16px;
    }

    .process-step::after {
        left: 25px;
        top: 60px;
    }

    .step-number {
        align-self: flex-start;
    }

    .story-stats {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .btn-line-large {
        padding: 14px 24px;
        font-size: 16px;
    }

    .pain-grid,
    .features-grid,
    .why-bar-grid,
    .stories-grid,
    .bonus-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading and Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}