/* Team Section */
.team-section {
    padding: 150px 20px;
    background: linear-gradient(135deg, #000814 0%, #001d3d 50%, #003566 100%);
    position: relative;
}

.team-avatar {
    width: 250px;
    height: 350px;
    margin: 0 auto 30px;
    border-radius: 15px;
    overflow: hidden;
    border: 3px solid rgba(0, 180, 216, 0.3);
    position: relative;
    background: #f8f9fa;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    transition: all 0.3s ease;
}

.team-card:hover .team-avatar img {
    transform: scale(1.05);
}

.team-card:hover .team-avatar {
    border-color: rgba(0, 180, 216, 0.6);
    box-shadow: 0 10px 20px rgba(0, 180, 216, 0.3);
}

.team-card {
    background: linear-gradient(135deg, rgba(0, 53, 102, 0.4) 0%, rgba(0, 29, 61, 0.6) 100%);
    border-radius: 25px;
    padding: 50px 40px;
    text-align: center;
    border: 1px solid rgba(0, 180, 216, 0.3);
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.team-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 50%);
    opacity: 0;
    transition: all 0.5s ease;
    transform: scale(0);
}

.team-card:hover::before {
    opacity: 1;
    transform: scale(1);
}

.team-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0, 180, 216, 0.6);
    box-shadow: 0 25px 50px rgba(0, 180, 216, 0.3);
}

.team-card h4 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.team-role {
    color: #00b4d8;
    font-size: 1.2rem;
    margin-bottom: 25px;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.team-description {
    color: #90e0ef;
    font-size: 1.05rem;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .team-avatar {
        width: 200px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .team-avatar {
        width: 200px;
        height: 250px;
    }
}


/* Roadmap Section */
.roadmap-section {
    padding: 150px 20px;
    background: linear-gradient(45deg, #001d3d 0%, #003566 30%, #0077b6 70%, #00b4d8 100%);
    position: relative;
    overflow: hidden;
}

.roadmap-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 180, 216, 0.05) 0%, transparent 70%);
}

.roadmap-timeline {
    position: relative;
    max-width: 1000px;
    margin: 100px auto 0;
    z-index: 2;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #00b4d8 0%, #0077b6 50%, #003566 100%);
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.3);
}

.roadmap-item {
    display: flex;
    margin-bottom: 100px;
    align-items: center;
    position: relative;
}

.roadmap-item:nth-child(even) {
    flex-direction: row-reverse;
}

.roadmap-content {
    flex: 1;
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.2) 0%, rgba(0, 53, 102, 0.3) 100%);
    padding: 50px 40px;
    border-radius: 25px;
    border: 1px solid rgba(0, 180, 216, 0.3);
    margin: 0 50px;
    backdrop-filter: blur(15px);
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

.roadmap-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.roadmap-content:hover::before {
    opacity: 1;
}

.roadmap-content:hover {
    transform: scale(1.05);
    border-color: rgba(0, 180, 216, 0.8);
    box-shadow: 0 25px 50px rgba(0, 180, 216, 0.3);
}

.roadmap-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: #ffffff;
    box-shadow: 0 15px 30px rgba(0, 180, 216, 0.4);
    border: 4px solid #ffffff;
    transition: all 0.3s ease;
}

.roadmap-item:hover .roadmap-number {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 20px 40px rgba(0, 180, 216, 0.6);
}

.roadmap-content h4 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.roadmap-content p {
    color: #90e0ef;
    font-size: 1.15rem;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* News Section */
.news-section {
    padding: 150px 20px;
    background: linear-gradient(180deg, #0077b6 0%, #00b4d8 50%, #90e0ef 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.news-section::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="newsPattern" width="25" height="25" patternUnits="userSpaceOnUse"><polygon points="12.5,2 22,8.5 22,16.5 12.5,23 3,16.5 3,8.5" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23newsPattern)"/></svg>') repeat;
    opacity: 0.3;
}

.news-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 400px; /* 最小高さを設定 */
}
/* ニュースカード内容の配置調整 */
.news-card h4 {
    color: #ffffff;
    font-size: 1.7rem;
    margin-bottom: 25px;
    font-weight: 700;
    position: relative;
    z-index: 2;
    flex-shrink: 0; /* 高さ固定 */
}

.news-card p {
    color: #ffffff;
    opacity: 0.9;
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: auto; /* 自動的に余白を調整 */
    position: relative;
    z-index: 2;
    flex-grow: 1; /* 残りスペースを使用 */
}

.news-link {
    display: inline-block;
    background: linear-gradient(135deg, #ffffff 0%, #caf0f8 100%);
    color: #001d3d;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
    margin-top: 30px; /* 上部に固定余白 */
    align-self: center; /* 中央揃え */
    flex-shrink: 0; /* サイズ固定 */
}

.news-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.5s ease;
    transform: scale(0) rotate(0deg);
}

.news-card:hover::before {
    opacity: 1;
    transform: scale(1) rotate(180deg);
}

.news-card:hover {
    transform: translateY(-15px) scale(1.03);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.news-card h4 {
    color: #ffffff;
    font-size: 1.7rem;
    margin-bottom: 25px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.news-card p {
    color: #ffffff;
    opacity: 0.9;
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .news-card {
        min-height: 350px;
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .news-card {
        min-height: 320px;
        padding: 30px 25px;
    }
    
    .news-card h4 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .news-card p {
        font-size: 1rem;
    }
    
    .news-link {
        padding: 12px 30px;
        font-size: 1rem;
    }
}


/* ニュースカード画像スタイル */
.news-image {
    width: 100%;
    height: 200px;
    margin: 20px 0;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all 0.3s ease;
}

.news-card:hover .news-image {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .news-image {
        height: 150px;
        margin: 15px 0;
    }
}

@media (max-width: 480px) {
    .news-image {
        height: 120px;
        margin: 12px 0;
    }
}



/* CTA Section */
.cta-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, #003566 0%, #0077b6 50%, #00b4d8 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 6vw, 3rem);
    color: #ffffff;
    margin-bottom: 30px;
    font-weight: 800;
}

.cta-content p {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    color: #caf0f8;
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Footer */
.footer {
    background: linear-gradient(180deg, #000814 0%, #000000 100%);
    padding: 80px 20px 30px;
    border-top: 1px solid rgba(0, 180, 216, 0.3);
    position: relative;
}

.footer::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="footerGrid" width="30" height="30" patternUnits="userSpaceOnUse"><path d="M 30 0 L 0 0 0 30" fill="none" stroke="rgba(0,180,216,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrid)"/></svg>') repeat;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    text-align: center;
}

.footer-logo-image {
    height: 60px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 800;
}

.footer-logo p {
    color: #90e0ef;
    font-size: 1.1rem;
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-menu h4,
.footer-company h4,
.footer-contact h4 {
    color: #00b4d8;
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 700;
    border-bottom: 2px solid rgba(0, 180, 216, 0.3);
    padding-bottom: 10px;
}

.footer-menu ul {
    list-style: none;
    padding: 0;
}

.footer-menu li {
    margin-bottom: 12px;
}

.footer-link {
    color: #caf0f8;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
}

.footer-link:hover {
    color: #00f5ff;
    text-shadow: 0 0 10px rgba(0, 245, 255, 0.6);
    transform: translateX(5px);
}

.company-info p,
.contact-info p {
    color: #90e0ef;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 8px;
}

.company-info strong,
.contact-info strong {
    color: #ffffff;
}

.footer-contact-btn {
    display: inline-block;
    background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
    color: #ffffff;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.footer-contact-btn:hover {
    background: linear-gradient(135deg, #00f5ff 0%, #00b4d8 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 180, 216, 0.4);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 180, 216, 0.2);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-legal {
    color: #6c757d;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal:hover {
    color: #00b4d8;
}

.copyright {
    color: #6c757d;
    font-size: 0.9rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 0 10px;
    }

    .hero-stats {
        gap: 40px;
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        min-width: 200px;
    }

    .problem-grid,
    .tech-grid,
    .team-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .vision-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .mechanism-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .asc-timeline {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .roadmap-item {
        flex-direction: column !important;
        margin-bottom: 60px;
    }

    .roadmap-item:nth-child(even) {
        flex-direction: column !important;
    }

    .roadmap-content {
        margin: 30px 0;
    }

    .timeline-line {
        display: none;
    }

    .roadmap-number {
        position: relative;
        left: auto;
        transform: none;
        margin-bottom: 20px;
    }

    .footer-links {
        flex-direction: column;
        gap: 25px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .cta-button {
        width: 80%;
        max-width: 300px;
        text-align: center;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 3.5rem);
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 5rem);
    }

    .hero-subtitle {
        font-size: clamp(1.1rem, 4vw, 1.8rem);
    }
}

@media (max-width: 480px) {
    .hero {
        height: 100vh;
        padding: 0 15px;
    }

    .problem-card,
    .tech-card,
    .team-card,
    .news-card {
        padding: 30px 25px;
    }

    .vision-feature,
    .mechanism-item {
        padding: 35px 25px;
    }

    .roadmap-content {
        padding: 35px 25px;
    }

    .cta-content {
        padding: 0 10px;
    }

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

    .stat-number {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .problem-icon,
    .vision-feature-icon,
    .mechanism-icon {
        font-size: 3.5rem;
    }

    .tech-number {
        font-size: 4rem;
        top: 15px;
        right: 20px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero,
    .problem-section,
    .tech-section,
    .vision-section,
    .team-section,
    .roadmap-section,
    .news-section,
    .cta-section,
    .footer {
        background: #000000;
    }

    .problem-card,
    .tech-card,
    .team-card,
    .news-card,
    .vision-feature,
    .mechanism-item,
    .roadmap-content {
        background: #1a1a1a;
        border: 2px solid #ffffff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .floating {
        animation: none;
    }

    .particles {
        display: none;
    }
}

/* Print styles */
@media print {
    .hero,
    .particles,
    .wave {
        display: none;
    }

    .section-title,
    .problem-card h3,
    .tech-card h3,
    .team-card h4 {
        color: #000000 !important;
    }

    .problem-card,
    .tech-card,
    .team-card {
        background: #ffffff !important;
        border: 1px solid #000000 !important;
    }
}


/* Contact Form Styles */
.contact-content {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-bottom: 60px;
}

.contact-content h2 {
    font-size: clamp(2.5rem, 6vw, 3rem);
    color: #ffffff;
    margin-bottom: 30px;
    font-weight: 800;
}

.contact-content p {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    color: #caf0f8;
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: left;
}

.contact-info h3 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 30px;
    font-weight: 700;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    color: #00b4d8;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 5px;
}

.contact-item p {
    color: #caf0f8;
    margin: 0;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1rem;
}

.required {
    color: #ff6b6b;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #444444;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00b4d8;
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: #00b4d8;
    text-decoration: underline;
}

.checkbox-label a:hover {
    color: #00f5ff;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
    color: #ffffff;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #00f5ff 0%, #00b4d8 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Error Styles */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #ff6b6b;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.3);
}

.field-error {
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-top: 5px;
    display: block;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-form {
        padding: 30px 25px;
    }
    
    .contact-item {
        padding: 15px;
    }
}


/* 通知システムのスタイル */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 8, 20, 0.95);
    border-radius: 15px;
    padding: 20px 25px;
    border-left: 5px solid #00b4d8;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
    max-width: 350px;
    min-width: 300px;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-success {
    border-left-color: #28a745;
}

.notification-error {
    border-left-color: #dc3545;
}

.notification-info {
    border-left-color: #00b4d8;
}

.notification-content {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 15px;
}

.notification-message {
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.5;
    flex-grow: 1;
}

.notification-close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        min-width: auto;
    }
}