/* about.html専用CSS */

/* マサルくん固定画像 */
.masaru-fixed {
    position: fixed;
    bottom: -20px;
    right: 20px;
    z-index: 1500;
    pointer-events: auto;
}

.masaru-link {
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.masaru-link:hover {
    transform: translateY(-10px) scale(1.05);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
}

.masaru-character {
    height: 35vh;
    width: auto;
    opacity: 1;
    transition: all 0.3s ease;
    max-width: none;
}

/* レスポンシブ対応（マサルくん用） */
@media (max-width: 768px) {
    .masaru-fixed {
        right: 15px;
        bottom: -15px;
    }
    
    .masaru-character {
        height: 25vh;
        width: auto;
        max-width: 140px;
    }
}

@media (max-width: 480px) {
    .masaru-fixed {
        right: 10px;
        bottom: -10px;
    }
    
    .masaru-character {
        height: 20vh;
        width: auto;
        max-width: 120px;
    }
}

/* システム概要セクション */
.section h3 {
    font-size: 1.8rem;
    text-align: center;
    color: #0277bd;
    margin: 80px 0 5px 0;
    font-weight: bold;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.intro-card {
    background: rgba(255,255,255,0.9);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-8px);
}

.intro-icon {
    font-size: 3rem;
    margin-bottom: 5px;
}

.intro-card h3 {
    color: #0277bd;
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: bold;
}

/* 技術セクション */
.tech-section {
    display: flex;
    gap: 40px;
    align-items: center;
    margin: 10px 0 40px 0;
    background: rgba(255,255,255,0.05);
    padding: 40px;
    border-radius: 15px;
}

.tech-image {
    flex: 1;
    margin-right: 50px;
}

.tech-content {
    flex: 2;
}

.tech-list {
    list-style: none;
    padding: 0;
}

.tech-list li {
    padding: 8px 0;
    font-size: 1.1rem;
}

/* 統計セクション */
.stats-section {
    margin: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.stat-card {
    background: linear-gradient(135deg, #29b6f6, #0277bd);
    color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(41, 182, 246, 0.3);
}

.stat-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.stat-text {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 結果セクション */
.results-section {
    margin: 40px 0;
}

.results-section h4 {
    text-align: center;
    color: #0277bd;
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 30px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.result-card {
    background: rgba(255,255,255,0.9);
    padding: 30px;
    border-radius: 15px;
    border-left: 5px solid #4caf50;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.result-card h4 {
    color: #0277bd;
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* 無料版セクション */
.free-version-section {
    background: rgba(255,255,255,0.9);
    color: #333;
    padding: 80px 0;
    margin: 60px 0;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.section-badge {
    display: inline-block;
    background: #4caf50;
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.section-badge.pro {
    background: #673ab7;
    color: white;
}

.free-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.free-feature-card {
    background: rgba(255,255,255,0.95);
    color: #333;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.free-feature-card h3 {
    color: #2e7d32;
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: bold;
}

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

.cta-button {
    display: inline-block;
    background: #ff5722;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #d84315;
    transform: translateY(-2px);
}

/* PRO版セクション */
.pro-version-section {
    background: rgba(255,255,255,0.9);
    color: #333;
    padding: 80px 0;
    margin: 60px 0;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.pro-hero {
    display: flex;
    gap: 50px;
    align-items: center;
    margin-top: 50px;
}

.pro-image {
    flex: 1;
}

.pro-content {
    flex: 1.5;
}

.pro-features-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.pro-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.pro-icon {
    font-size: 2rem;
    min-width: 50px;
}

.pro-feature h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: bold;
    color: #673ab7;
}

.pro-feature p {
    opacity: 0.8;
    margin: 0;
    color: #666;
}

/* PRO版のメリットセクション */
.pro-benefits-section {
    background: rgba(255,255,255,0.95);
    padding: 50px 40px;
    border-radius: 15px;
    margin: 50px 0;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.pro-benefits-section h3 {
    font-size: 1.8rem;
    text-align: center;
    color: #673ab7;
    margin-bottom: 20px;
    font-weight: bold;
}

.pro-benefits-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    font-weight: 500;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: rgba(255,255,255,0.9);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #673ab7;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: center;
}

.benefit-card h4 {
    color: #673ab7;
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: bold;
    text-align: center;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* PRO版専用セクション */
.pro-functions-section,
.pro-security-section {
    background: rgba(103, 58, 183, 0.05);
    padding: 40px;
    border-radius: 15px;
    margin: 40px auto;
    border: 2px solid rgba(103, 58, 183, 0.2);
    width: 90%;
    max-width: none;
}

.pro-section-header {
    text-align: center;
    margin-bottom: 30px;
}

.pro-badge {
    display: inline-block;
    background: linear-gradient(135deg, #673ab7, #3f51b5);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.pro-section-header h3 {
    color: #673ab7;
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.pro-section-header p {
    color: #666;
    font-size: 1.1rem;
    margin: 0;
}

/* 機能グリッドのスタイル */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(255,255,255,0.8);
    padding: 25px;
    border-radius: 15px;
    border-left: 5px solid #29b6f6;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature-card h3 {
    color: #0277bd;
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* レスポンシブ対応 */
/* 動画セクション */
.video-section h4 {
    font-weight: bold;
    margin-bottom: 20px;
}

.video-container {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.video-container iframe {
    border: none;
}

@media (max-width: 768px) {
    .video-section {
        margin-bottom: 30px !important;
    }
    
    .video-container {
        max-width: 100% !important;
        border-radius: 8px !important;
    }
    
    .video-section h4 {
        font-size: 1.1rem !important;
        margin-bottom: 15px !important;
    }

    .section h3 {
        font-size: 1.5rem;
        margin: 60px 0 10px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .pro-functions-section,
    .pro-security-section {
        width: 95%;
        padding: 30px;
    }
    
    .pro-benefits-section {
        padding: 40px 25px;
    }
    
    .pro-benefits-section h3 {
        font-size: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-section {
        flex-direction: column;
        gap: 30px;
        margin: 10px 0 30px 0;
    }
    
    .tech-image {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .stat-icon {
        font-size: 2.5rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .free-features-grid {
        grid-template-columns: 1fr;
    }
    
    .pro-hero {
        flex-direction: column;
        gap: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .section h3 {
        font-size: 1.3rem;
        margin: 50px 0 5px 0;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .free-version-section,
    .pro-version-section {
        padding: 60px 0;
    }
    
    .pro-functions-section,
    .pro-security-section {
        width: 98%;
        padding: 25px;
    }
    
    .pro-benefits-section {
        padding: 30px 20px;
    }
    
    .pro-benefits-section h3 {
        font-size: 1.3rem;
    }
    
    .pro-benefits-intro {
        font-size: 1rem;
    }
    
    .benefit-card {
        padding: 20px;
    }
    
    .intro-card,
    .free-feature-card,
    .result-card {
        padding: 20px;
    }
    
    .tech-section,
    .pro-functions-section,
    .pro-security-section {
        padding: 25px;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
    }
}