/* リセットとベーススタイル */
* {
    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;
}

/* ボタンスタイル */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b35 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 140, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #ff8c00;
    border: 2px solid #ff8c00;
}

.btn-secondary:hover {
    background: #ff8c00;
    color: white;
    transform: translateY(-2px);
}

/* メインビジュアル */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #333;
    overflow: hidden;
    background: linear-gradient(135deg, #ffeb3b 0%, #ffc107 50%, #ff9800 100%);
    position: relative;
}

.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="warning" width="20" height="20" patternUnits="userSpaceOnUse"><rect width="20" height="20" fill="none" stroke="%23ff6f00" stroke-width="0.5" opacity="0.3"/><circle cx="10" cy="10" r="2" fill="%23ff6f00" opacity="0.4"/></pattern></defs><rect width="100" height="100" fill="url(%23warning)"/></svg>');
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out;
    text-align: center;
}

.logo-image {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
}

.hero-campaign {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.campaign-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    background: rgba(255, 255, 255, 0.9);
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* 警告アイコン */
.hero::after {
    content: '⚠';
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 3rem;
    color: #d32f2f;
    animation: pulse 2s infinite;
    z-index: 1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

/* セクションタイトル */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b35 100%);
    border-radius: 2px;
}

/* 防災情報セクション */
.disaster-info {
    padding: 100px 0;
    background: #f8f9fa;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.info-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2rem;
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

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

.info-card li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.info-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ff8c00;
    font-weight: bold;
}

/* 動画セクション */
.video-section {
    padding: 100px 0;
    background: white;
}

.video-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto 40px;
}

.video-slide {
    display: none;
    text-align: center;
}

.video-slide.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 アスペクト比 */
    margin-bottom: 20px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-slide h3 {
    font-size: 1.3rem;
    color: #333;
    margin-top: 20px;
}

/* スライダーコントロール */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.slider-btn {
    background: #ff8c00;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: #e67e00;
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #ff8c00;
    transform: scale(1.2);
}

/* キャンペーンセクション */
.campaign {
    padding: 100px 0;
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b35 100%);
    color: white;
    text-align: left;
}

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

.campaign-text {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
    font-size: 1.05rem;
}

.campaign-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* フッター */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #ff8c00;
    text-align: center;
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.8;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #ff8c00;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #e67e00;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    opacity: 0.7;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .logo-image {
        max-height: 150px;
    }

    .campaign-title {
        font-size: 1.4rem;
        padding: 12px 25px;
    }

    .hero::after {
        font-size: 2rem;
        top: 20px;
        right: 20px;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .campaign-actions {
        flex-direction: column;
        align-items: center;
    }

    .slider-controls {
        gap: 20px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo-image {
        max-height: 120px;
    }

    .campaign-title {
        font-size: 1.2rem;
        padding: 10px 20px;
    }

    .hero::after {
        font-size: 1.5rem;
        top: 15px;
        right: 15px;
    }

    .info-card {
        padding: 30px 20px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
    }
}