/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ナビゲーション */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #ff6b6b);
    border-radius: 2px;
    animation: slideIn 0.8s ease-out 0.5s both;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 100px;
        opacity: 1;
    }
}

.highlight {
    color: #ffd700;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-weight: 300;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    color: white;
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    background: linear-gradient(45deg, #1d4ed8, #2563eb);
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.hero-graphic {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.15), rgba(255, 215, 0, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    animation: float 6s ease-in-out infinite, glow 3s ease-in-out infinite alternate;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.hero-graphic::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s linear infinite;
}

.hero-graphic i {
    font-size: 12rem;
    color: #ffd700;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.7), 0 0 80px rgba(255, 215, 0, 0.4);
    position: relative;
    z-index: 2;
    animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.3), 0 0 40px rgba(255, 215, 0, 0.2);
    }
    to {
        box-shadow: 0 0 30px rgba(255, 215, 0, 0.5), 0 0 60px rgba(255, 215, 0, 0.3);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes pulse {
    from {
        transform: scale(1);
        filter: brightness(1);
    }
    to {
        transform: scale(1.1);
        filter: brightness(1.2);
    }
}

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

/* セクション共通 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

/* 暗い背景のセクション - 白文字 */
#services .section-title {
    color: #ffffff !important;
}

/* 明るい背景のセクション - 黒文字 */
#flow .section-title,
#apps .section-title,
#pricing .section-title {
    color: #1f2937 !important;
}

#company .section-title {
    color: #ffffff !important;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #ffd700);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 300;
}

/* 暗い背景のセクション - 白文字 */
#services .section-subtitle {
    color: #ffffff !important;
}

/* 明るい背景のセクション - グレー文字 */
#flow .section-subtitle,
#apps .section-subtitle,
#pricing .section-subtitle {
    color: #6b7280 !important;
}

#company .section-subtitle {
    color: #ffffff !important;
}

/* 会社概要セクション */
.about {
    background: #f8fafc;
}

.about-content {
    display: grid;
    gap: 4rem;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-card i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.company-details {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.company-details h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #1f2937;
    text-align: center;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    border-left: 4px solid #667eea;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0 8px 8px 0;
    color: #ffffff !important;
}

.detail-item strong {
    color: #ffffff !important;
}

.detail-item span {
    color: #ffffff !important;
}

/* 法的文書用CSS */
.legal-content {
    padding: 5rem 0;
    background: #f8fafc;
    min-height: 80vh;
}

.legal-content h1 {
    font-size: 2.5rem;
    color: #1f2937;
    margin-bottom: 1rem;
    text-align: center;
}

.last-updated {
    text-align: center;
    color: #6b7280;
    margin-bottom: 3rem;
    font-style: italic;
}

.legal-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.legal-section h2 {
    color: #1f2937;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.legal-section p {
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 1rem;
}

.legal-section ul {
    padding-left: 1.5rem;
    color: #4b5563;
}

.legal-section ul li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* アプリセクション */
.apps {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    position: relative;
}

.apps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><defs><pattern id="hexagon" x="0" y="0" width="60" height="60" patternUnits="userSpaceOnUse"><polygon points="30,5 50,20 50,40 30,55 10,40 10,20" fill="none" stroke="%23e2e8f0" stroke-width="1" opacity="0.3"/></pattern></defs><rect width="100%" height="100%" fill="url(%23hexagon)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(255, 215, 0, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.app-card:hover::before {
    opacity: 1;
}

.app-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.app-icon {
    text-align: center;
    margin-bottom: 2rem;
}

.app-icon i {
    font-size: 4.5rem;
    color: #2563eb;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fff, #f8fafc);
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    z-index: 2;
}

.app-card:hover .app-icon i {
    color: #1d4ed8;
    background: linear-gradient(135deg, #fff, #e0f2fe);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.25);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.app-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.feature-tag {
    background: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.app-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-app {
    background: #1f2937;
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-app:hover {
    background: #374151;
    transform: translateY(-2px);
}

/* お問い合わせセクション */
.contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact .section-title,
.contact .section-subtitle {
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.contact-item i {
    font-size: 2rem;
    color: #ffd700;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

/* フッター */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ffd700;
    color: #1f2937;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* サービスセクション */
.services {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}


/* 開発フローセクション */
.flow {
    padding: 5rem 0;
    background: #f8fafc;
}

.flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    position: relative;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
}

.flow-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
    z-index: 10;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 900;
    color: white;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
    z-index: 10;
}

.step-content {
    text-align: center;
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    width: 100%;
    transition: all 0.3s ease;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.step-icon i {
    font-size: 1.5rem;
    color: white;
}

.step-content h3 {
    font-size: 1.3rem;
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.step-content p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.step-duration {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-block;
}


.flow-step.final .step-content {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.flow-step.final .step-content h3 {
    color: white;
}

.flow-step.final .step-content p {
    color: rgba(255, 255, 255, 0.9);
}

.flow-step.final .step-duration {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

@media (max-width: 768px) {
    .flow-steps {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .flow-step {
        max-width: 100%;
        width: 100%;
    }
    
    .flow-step:not(:last-child)::after {
        content: '↓';
        right: auto;
        top: auto;
        bottom: -1.5rem;
        left: 50%;
        transform: translateX(-50%);
    }
}

.services-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 215, 0, 0.4);
    background: rgba(255, 255, 255, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ffd700, #ff6b6b, #4ecdc4, #45b7d1);
    border-radius: 50%;
    z-index: -1;
    animation: rotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.5);
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.service-icon i {
    font-size: 2.2rem;
    color: #1f2937;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon i {
    color: #0f172a;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.service-list {
    list-style: none;
    margin: 1.5rem 0;
}

.service-list li {
    margin-bottom: 0.8rem;
    padding-left: 1rem;
    position: relative;
}

.service-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

.service-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.option {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.option h4 {
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.price {
    font-weight: bold;
    color: #ffd700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.note {
    font-size: 0.9rem;
    color: #d1d5db;
    font-style: italic;
    margin-bottom: 1rem;
}

.prototype-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.plan {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.plan h4 {
    color: #ffd700;
    margin-bottom: 0.5rem;
}

/* 料金セクション */
.pricing {
    padding: 5rem 0;
    background: #f8fafc;
}

.pricing-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02), rgba(255, 215, 0, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.pricing-card h3 {
    color: #2563eb;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.pricing-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #ffd700);
    border-radius: 2px;
}

.pricing-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-list li {
    margin-bottom: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.pricing-list li:last-child {
    border-bottom: none;
}

/* 会社情報セクション */
.company {
    padding: 5rem 0;
    background: #1f2937;
    color: white;
}

.company-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.company-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.info-card h3 {
    color: #ffffff !important;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.info-card ul {
    list-style: none;
}

.info-card ul li {
    margin-bottom: 0.6rem;
    position: relative;
    padding-left: 1rem;
    color: #ffffff !important;
}

.info-card ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ffffff !important;
    font-weight: bold;
}

.company-details {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    height: fit-content;
}

.company-details h3 {
    color: #ffffff !important;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* コンタクト フォーム セクション */
.contact-form-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.contact-form-section h3 {
    color: #ffd700;
    margin-bottom: 1rem;
}

.form-button-container {
    margin: 1.5rem 0;
    text-align: center;
}

.contact-features {
    margin-top: 2rem;
}

.contact-features h4 {
    color: #ffd700;
    margin-bottom: 1rem;
}

.contact-features ul {
    list-style: none;
}

.contact-features ul li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.contact-features ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

/* サービス帯デザイン */
.services-flow {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.service-strip {
    position: relative;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 3rem;
    min-height: 200px;
    display: flex;
    align-items: center;
    transition: all 0.4s ease;
}

.service-strip.reverse {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.service-strip:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.service-strip::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.8s;
}

.service-strip:hover::before {
    left: 100%;
}

.strip-number {
    position: absolute;
    top: -15px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.strip-content {
    width: 100%;
    position: relative;
    z-index: 2;
}

.strip-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.strip-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.strip-icon i {
    font-size: 2.5rem;
    color: white;
}

.strip-title h3 {
    font-size: 2rem;
    color: #ffffff;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
}

.strip-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    font-weight: 300;
}

/* タイムライン */
.apps-timeline {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    position: relative;
}

.apps-timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #10b981, #f59e0b, #6366f1, #6366f1);
    z-index: 1;
}

.timeline-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.timeline-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-bottom: 1rem;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.timeline-item.live .timeline-dot {
    background: linear-gradient(45deg, #10b981, #34d399);
}

.timeline-item.beta .timeline-dot {
    background: linear-gradient(45deg, #f59e0b, #fbbf24);
}

.timeline-item.dev .timeline-dot {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
}

.timeline-content {
    text-align: center;
}

.timeline-content h4 {
    color: #ffd700;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 0.8rem 0;
    font-size: 0.9rem;
}

.status-label {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-label.live {
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
}

.status-label.beta {
    background: linear-gradient(45deg, #f59e0b, #fbbf24);
    color: white;
}

.status-label.dev {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
}

/* プラットフォーム進行 */
.platform-progression {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.progression-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.progression-step.active {
    opacity: 1;
    transform: scale(1.1);
}

.progression-step i {
    font-size: 2.5rem;
    color: #ffd700;
    padding: 1rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progression-step span {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.progression-line {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, #ffd700, rgba(255, 215, 0, 0.3));
    margin: 0 1rem;
}

/* 水平サービス */
.services-horizontal {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.service-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.service-item.mobile {
    border-color: rgba(255, 215, 0, 0.3);
}

.service-item.ai {
    border-color: rgba(139, 92, 246, 0.3);
}

.service-item.maintenance {
    border-color: rgba(34, 197, 94, 0.3);
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-icon-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.service-icon-circle i {
    font-size: 2rem;
    color: white;
}

.service-info h4 {
    color: #ffd700;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.price-display {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.features-list span {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* インパクト指標 */
.impact-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.metric {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.metric:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.metric-value {
    font-size: 3rem;
    font-weight: 900;
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.metric-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 500;
}

/* プロトタイプフロー */
.prototype-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.flow-option {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    min-width: 200px;
    text-align: center;
}

.flow-option.popular {
    border-color: rgba(255, 215, 0, 0.5);
    background: rgba(255, 215, 0, 0.05);
    transform: scale(1.05);
}

.flow-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.flow-option.popular:hover {
    transform: translateY(-5px) scale(1.05);
}

.popular-tag {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.flow-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.flow-header h4 {
    color: #ffd700;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.flow-price {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 700;
}

.flow-duration {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}

.flow-output {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.flow-bonus {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

.flow-arrow, .flow-plus {
    font-size: 2rem;
    color: #ffd700;
    font-weight: bold;
    margin: 0 0.5rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .services-horizontal {
        flex-direction: column;
        gap: 1rem;
    }
    
    .apps-timeline {
        flex-direction: column;
        gap: 1rem;
    }
    
    .apps-timeline::before {
        display: none;
    }
    
    .platform-progression {
        flex-direction: column;
        gap: 1rem;
    }
    
    .progression-line {
        width: 2px;
        height: 30px;
        margin: 0.5rem 0;
    }
    
    .prototype-flow {
        flex-direction: column;
        gap: 1rem;
    }
    
    .flow-arrow, .flow-plus {
        transform: rotate(90deg);
    }
    
    .impact-metrics {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .strip-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .strip-icon {
        margin-right: 0;
    }
}

.service-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.service-title-section {
    flex: 1;
    margin-left: 1.5rem;
}

.service-title-section h3 {
    font-size: 1.8rem;
    margin: 0;
    color: #ffd700;
    font-weight: 700;
}

.service-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-weight: 300;
}

.service-badge {
    position: absolute;
    top: -1rem;
    right: -1rem;
    z-index: 3;
}

.badge-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    border-radius: 50%;
    color: #1f2937;
    font-weight: 900;
    font-size: 1.2rem;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

.service-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* アプリグリッドスタイル */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.app-item {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.app-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.app-icon-small {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.app-icon-small i {
    font-size: 1.5rem;
    color: white;
}

.app-info {
    flex: 1;
}

.app-info h4 {
    color: #ffd700;
    margin: 0 0 0.3rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.app-info p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.status {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status.live {
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
}

.status.beta {
    background: linear-gradient(45deg, #f59e0b, #fbbf24);
    color: white;
}

.status.dev {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
}

/* デプロイメントフロー */
.deployment-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.flow-step i {
    font-size: 2rem;
    color: #ffd700;
    padding: 1rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.flow-arrow {
    font-size: 1.5rem;
    color: #ffd700;
    font-weight: bold;
}

/* 開発オプションスタイル */
.development-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.dev-option {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.dev-option.highlighted {
    border-color: rgba(255, 215, 0, 0.3);
    background: rgba(255, 215, 0, 0.05);
}

.dev-option.ai-option {
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(139, 92, 246, 0.05);
}

.dev-option.maintenance-option {
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.05);
}

.dev-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.option-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.option-header i {
    font-size: 2rem;
    margin-right: 1rem;
    color: #ffd700;
}

.option-title {
    flex: 1;
}

.option-title h4 {
    color: #ffd700;
    margin: 0 0 0.3rem 0;
    font-size: 1.2rem;
}

.price-tag {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-left: auto;
}

.option-features {
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
}

.feature-item i {
    color: #10b981;
    margin-right: 0.8rem;
    font-size: 0.9rem;
}

.feature-item span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cost-savings {
    margin-top: 1rem;
}

.savings-badge {
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

/* 検証統計スタイル */
.validation-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
}

/* プロトタイププランビジュアル */
.prototype-plans-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.plan-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.plan-card.popular {
    border-color: rgba(255, 215, 0, 0.5);
    background: rgba(255, 215, 0, 0.05);
    transform: scale(1.05);
}

.plan-card.popular .popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.plan-card.popular:hover {
    transform: translateY(-10px) scale(1.05);
}

.plan-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.plan-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.plan-icon i {
    font-size: 1.5rem;
    color: white;
}

.plan-title {
    flex: 1;
}

.plan-title h4 {
    color: #ffd700;
    margin: 0 0 0.2rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.duration {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.plan-price {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: #1f2937;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.95rem;
}

.plan-features {
    margin-bottom: 1rem;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
}

.feature i {
    color: #10b981;
    margin-right: 0.8rem;
    font-size: 0.9rem;
    width: 16px;
}

.feature span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.refund-note, .cost-saving {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    padding: 0.8rem;
    text-align: center;
    margin-top: 1rem;
}

.refund-note {
    color: #34d399;
    font-size: 0.85rem;
    font-weight: 500;
}

.cost-saving span {
    color: #34d399;
    font-size: 0.85rem;
    font-weight: 600;
}

/* 新しいサービス詳細スタイル */
.service-details {
    margin-top: 2rem;
}

.service-details h4 {
    color: #ffd700;
    margin: 1.5rem 0 1rem 0;
    font-size: 1.1rem;
}

.service-details h5 {
    color: #ffd700;
    margin: 1rem 0 0.5rem 0;
    font-size: 1rem;
}

.app-showcase {
    display: grid;
    gap: 1.5rem;
    margin: 1rem 0;
}

.mini-app-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.mini-app-card strong {
    color: #ffd700;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.5rem;
}

.status-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.released {
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
}

.status-badge.beta {
    background: linear-gradient(45deg, #f59e0b, #fbbf24);
    color: white;
}

.status-badge.development {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
}

.deployment-strategy {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* プロトタイプセクション詳細スタイル */
.validation-benefits {
    margin: 2rem 0;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.benefit-item strong {
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.benefit-item p {
    font-size: 0.85rem;
    margin: 0;
}

.plan-purpose {
    background: rgba(255, 215, 0, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid #ffd700;
}

.plan-purpose p {
    margin: 0;
    font-style: italic;
}

.scope-example, .cost-simulation, .ideal-for, 
.tech-stack, .ai-providers, .growth-metrics {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.scope-example p, .cost-simulation p, .ideal-for p,
.tech-stack p, .ai-providers p, .growth-metrics p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.next-step {
    background: rgba(255, 215, 0, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 2px solid rgba(255, 215, 0, 0.3);
}

.next-step h4 {
    color: #ffd700;
    margin-bottom: 1rem;
}

/* 価格説明スタイル */
.price-justification {
    background: rgba(255, 215, 0, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid #ffd700;
}

.price-justification p {
    margin: 0;
    font-size: 0.9rem;
    font-style: italic;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .benefit-grid {
        grid-template-columns: 1fr;
    }
    
    .app-showcase {
        grid-template-columns: 1fr;
    }
    
    .mini-app-card {
        padding: 1rem;
    }
    
    .status-badge {
        position: static;
        display: inline-block;
        margin-top: 0.5rem;
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-graphic {
        height: 200px;
    }
    
    .hero-graphic i {
        font-size: 8rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .app-buttons {
        justify-content: center;
    }
    
    .service-options {
        grid-template-columns: 1fr;
    }
    
    .prototype-plans {
        grid-template-columns: 1fr;
    }
    
    .pricing-content {
        grid-template-columns: 1fr;
    }
    
    .company-content {
        grid-template-columns: 1fr;
    }
    
    .company-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-card,
.app-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* ローディングアニメーション */
.loading {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}