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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo', sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 15px 0;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo {
    height: 40px;
    filter: none;
}

.nav-text {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: #000000;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #333333;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #000000;
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: #000000;
    color: #ffffff !important;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: #333333;
    color: #ffffff !important;
    transform: translateY(-2px);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 25px;
    justify-content: space-between;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: #000000;
    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(8px, -8px);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    z-index: -1;
}

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

.hero-logo {
    margin-bottom: 20px;
}

.hero-logo-img {
    height: 200px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #e9ecef;
}

.hero-title {
    font-size: 72px;
    font-weight: bold;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 36px;
    color: #333333;
    margin-bottom: 20px;
}

.hero-tagline {
    display: inline-block;
    font-size: 28px;
    border: 3px solid #000000;
    padding: 20px 50px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.hero-concept {
    font-size: 24px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: #333333;
}

.hero-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
}

/* Buttons */
.btn-primary {
    background: #000000;
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background: #333333;
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.btn-outline {
    border: 3px solid #000000;
    color: #000000;
    background: transparent;
    padding: 15px 37px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-outline:hover {
    background: #000000;
    color: #ffffff;
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #000000;
}

/* About Section */
.about {
    background: #f8f9fa;
}

.info-table-wrapper {
    max-width: 900px;
    margin: 0 auto 60px;
    overflow-x: auto;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.1);
}

.info-table th,
.info-table td {
    padding: 25px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.info-table th {
    background: #000000;
    color: #ffffff;
    font-weight: bold;
    font-size: 18px;
    min-width: 150px;
}

.info-table td {
    font-size: 16px;
    line-height: 1.8;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
    border-bottom: none;
}

.concept-box {
    background: #000000;
    color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    font-size: 24px;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* Team Section */
.team-overview {
    text-align: center;
    margin-bottom: 60px;
    font-size: 18px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.team-overview strong {
    color: #000000;
}

.team-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid #f8f9fa;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #000000;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
}

/* Team Members Section */
.members {
    background: #f8f9fa;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.member-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
}

.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #000000;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-card h4 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #000000;
}

.member-type {
    font-size: 16px;
    color: #666666;
    margin-bottom: 15px;
}

.member-roles {
    font-size: 14px;
    color: #000000;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.6;
}

.member-description {
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
}

/* Service Section */
.service-content {
    max-width: 1000px;
    margin: 0 auto;
}

.service-main {
    text-align: center;
    margin-bottom: 60px;
}

.service-main h3 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #000000;
}

.service-main p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 15px;
    color: #333333;
}

.market-bg {
    background: #f8f9fa;
    padding: 50px;
    border-radius: 20px;
    border: 2px solid #e9ecef;
}

.market-bg h4 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    color: #000000;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.stat-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: #666666;
    margin-bottom: 10px;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 5px;
}

.stat-note {
    display: block;
    font-size: 12px;
    color: #999999;
}

.market-highlight {
    text-align: center;
    background: #000000;
    color: #ffffff;
    padding: 30px;
    border-radius: 15px;
}

.market-highlight p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.market-highlight strong {
    color: #ffffff;
}

/* Strengths Section */
.strengths {
    background: #f8f9fa;
}

.strengths-list {
    max-width: 900px;
    margin: 0 auto;
}

.strength-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 50px;
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.strength-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.strength-number {
    background: #000000;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.strength-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #000000;
}

.strength-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-plan {
    background: #ffffff;
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 3px solid #f8f9fa;
}

.pricing-plan:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
    border-color: #000000;
}

.plan-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #000000;
}

.plan-description {
    font-size: 16px;
    margin-bottom: 30px;
    color: #333333;
    line-height: 1.8;
}

.plan-details {
    margin-bottom: 40px;
    text-align: left;
}

.plan-merit,
.plan-note {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.plan-merit strong,
.plan-note strong {
    color: #000000;
}

.btn-plan {
    background: #000000;
    color: #ffffff;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
    width: 100%;
    max-width: 250px;
}

.btn-plan:hover {
    background: #333333;
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    background: #000000;
    color: #ffffff;
    text-align: center;
}

.contact-title {
    font-size: 48px;
    margin-bottom: 40px;
}

.contact-info {
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-email {
    display: inline-block;
    font-size: 32px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: underline;
    margin-bottom: 40px;
    transition: all 0.3s ease;
}

.contact-email:hover {
    color: #cccccc;
    transform: translateY(-2px);
}

.contact-address {
    font-size: 16px;
    line-height: 1.8;
    color: #cccccc;
}

/* Footer */
.footer {
    background: #333333;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
}

.footer-logo {
    height: 60px;
    filter: none;
}

.footer-brand p {
    font-size: 18px;
    font-weight: bold;
}

.footer-nav ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 40px;
    list-style: none;
}

.footer-nav a {
    color: #cccccc;
    font-size: 16px;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #555555;
    color: #999999;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .hero-subtitle {
        font-size: 28px;
    }
    
    .hero-tagline {
        font-size: 22px;
        padding: 15px 35px;
    }
    
    .hero-concept {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .strength-item {
        flex-direction: column;
        text-align: center;
    }
    
    .strength-number {
        margin: 0 auto 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* Hero mobile adjustment */
    .hero {
        padding-top: 200px;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 40px;
        padding-top: 60px;
        transition: left 0.3s ease;
        backdrop-filter: blur(20px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 20px;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero */
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 24px;
    }
    
    .hero-tagline {
        font-size: 20px;
        padding: 15px 30px;
    }
    
    .hero-concept {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    /* Sections */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    /* Tables */
    .info-table th,
    .info-table td {
        padding: 15px;
        font-size: 14px;
    }
    
    .info-table th {
        font-size: 16px;
    }
    
    /* Grid layouts */
    .team-features,
    .members-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .market-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-nav ul {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-logo-img {
        height: 150px;
        padding: 20px;
    }
    
    .hero-title {
        font-size: 36px;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-tagline {
        font-size: 18px;
        padding: 12px 25px;
    }
    
    .hero-concept {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .feature-card,
    .member-card,
    .pricing-plan {
        padding: 30px;
    }
    
    .strength-item {
        padding: 30px;
    }
    
    .contact-email {
        font-size: 24px;
    }
}