/* Securityページ専用CSS */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* メインコンテンツ */
.main-security {
    min-height: 100vh;
    padding-top: 100px;
    background: linear-gradient(135deg, #111111 0%, #1a1a1a 100%);
}

/* ヒーローセクション */
.security-hero {
    text-align: center;
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

.security-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.025em;
}

.security-hero p {
    font-size: 1.2rem;
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 0;
}

.last-updated {
    margin-top: 24px;
    padding: 12px 24px;
    background-color: #2d2d2d;
    border-radius: 8px;
    display: inline-block;
}

.last-updated p {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

/* セキュリティコンテンツ */
.security-content {
    background: #1a1a1a;
    border-radius: 16px;
    padding: 60px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    border: 1px solid #4b5563;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    font-family: 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo UI', sans-serif;
    animation: fadeInUp 0.8s ease-out;
    animation-delay: 0.2s;
    animation-fill-mode: both;
    transition: all 0.3s ease;
}

.security-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    border-color: #ffffff;
}

.security-section {
    margin-bottom: 60px;
}

.security-section:last-child {
    margin-bottom: 0;
}

.security-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.025em;
    border-bottom: 2px solid #4b5563;
    padding-bottom: 16px;
}

/* セキュリティグリッド */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.security-card {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    border: 1px solid #4b5563;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: scaleIn 0.6s ease-out;
    animation-fill-mode: both;
}

.security-card:nth-child(1) { animation-delay: 0.3s; }
.security-card:nth-child(2) { animation-delay: 0.4s; }
.security-card:nth-child(3) { animation-delay: 0.5s; }

.security-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: #ffffff;
    animation: bounce 0.6s ease;
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
    transition: all 0.3s ease;
}

.security-card:hover .security-icon {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.security-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.security-card p {
    color: #d1d5db;
    line-height: 1.7;
    font-size: 16px;
    margin: 0;
}

/* セキュリティ機能 */
.security-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 32px;
    border: 1px solid #4b5563;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.feature-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: #ffffff;
}

.feature-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.feature-item p {
    color: #d1d5db;
    line-height: 1.7;
    font-size: 16px;
    margin: 0;
}

/* コンプライアンスグリッド */
.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.compliance-item {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    border: 1px solid #4b5563;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.compliance-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border-color: #10b981;
}

.compliance-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.compliance-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.compliance-item p {
    color: #d1d5db;
    line-height: 1.6;
    font-size: 14px;
    margin: 0;
}

/* セキュリティ対策 */
.security-measures {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.measure-category {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 32px;
    border: 1px solid #4b5563;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.measure-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
}

.measure-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.measure-category li {
    color: #d1d5db;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
    font-size: 15px;
}

.measure-category li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

/* データポリシー */
.data-policy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.policy-item {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 32px;
    border: 1px solid #4b5563;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.policy-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.policy-item p {
    color: #d1d5db;
    line-height: 1.7;
    font-size: 16px;
    margin: 0;
}

/* セキュリティ報告 */
.security-reporting {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.reporting-info,
.reporting-guidelines {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 32px;
    border: 1px solid #4b5563;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.reporting-info h3,
.reporting-guidelines h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.reporting-info p {
    color: #d1d5db;
    line-height: 1.7;
    font-size: 16px;
    margin-bottom: 20px;
}

.contact-details {
    background-color: #374151;
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
}

.contact-details p {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 15px;
}

.contact-details p:last-child {
    margin-bottom: 0;
}

.reporting-guidelines ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.reporting-guidelines li {
    color: #d1d5db;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
    font-size: 15px;
}

.reporting-guidelines li:before {
    content: "•";
    color: #ffffff;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

/* セキュリティ更新 */
.security-updates {
    margin-bottom: 40px;
}

.update-item {
    display: flex;
    gap: 24px;
    background: #2d2d2d;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    border: 1px solid #4b5563;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.update-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: #ffffff;
}

.update-date {
    background: #374151;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    height: fit-content;
}

.update-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.update-content p {
    color: #d1d5db;
    line-height: 1.6;
    font-size: 15px;
    margin: 0;
}

/* セキュリティお問い合わせ */
.security-contact {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    border: 1px solid #4b5563;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.security-contact h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.security-contact p {
    color: #d1d5db;
    line-height: 1.6;
    font-size: 16px;
    margin-bottom: 32px;
}

.contact-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #ffffff;
    color: #000000;
}

.btn-primary:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid #4b5563;
}

.btn-secondary:hover {
    background-color: #374151;
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* アクティブフッターリンク */
.footer-links a.active {
    color: #ffffff !important;
    font-weight: 600;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .security-hero h1 {
        font-size: 2.5rem;
    }
    
    .security-hero p {
        font-size: 1.1rem;
    }
    
    .security-content {
        padding: 40px 24px;
        margin: 0 16px 40px 16px;
    }
    
    .security-section h2 {
        font-size: 2rem;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .compliance-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
    
    .security-measures {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .data-policy {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .security-reporting {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .update-item {
        flex-direction: column;
        gap: 16px;
    }
    
    .update-date {
        align-self: flex-start;
    }
    
    .contact-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .main-security {
        padding-top: 80px;
    }
    
    .security-hero {
        padding: 40px 0;
    }
    
    .security-hero h1 {
        font-size: 2rem;
    }
    
    .security-content {
        padding: 24px 20px;
        margin: 0 12px 40px 12px;
    }
    
    .security-section h2 {
        font-size: 1.8rem;
    }
    
    .security-card,
    .feature-item,
    .compliance-item,
    .measure-category,
    .policy-item,
    .reporting-info,
    .reporting-guidelines {
        padding: 24px;
    }
    
    .security-contact {
        padding: 32px 24px;
    }
}

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

.security-hero {
    animation: fadeInUp 0.6s ease-out;
}

.security-content {
    animation: fadeInUp 0.6s ease-out;
    animation-delay: 0.1s;
}

/* ホバー効果 */
.security-card:hover,
.feature-item:hover,
.compliance-item:hover,
.measure-category:hover,
.policy-item:hover,
.update-item:hover {
    transform: translateY(-2px);
}

/* スクロールバーのスタイリング */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* 印刷用スタイル */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .main-security {
        padding-top: 0;
        background: white;
    }
    
    .security-content {
        box-shadow: none;
        border: none;
        margin: 0;
        padding: 0;
    }
    
    .security-hero {
        padding: 0 0 20px 0;
    }
}