/* birdwatching.php専用のスタイル */

/* ヒーローセクション */
.guide-hero {
    position: relative;
    height: 400px;
    overflow: hidden;
    margin-bottom: 60px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6));
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    width: 90%;
    max-width: 800px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* ガイドセクション共通 */
.guide-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
}

/* イントロダクション */
.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.intro-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.intro-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

/* 必要な道具 */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.equipment-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.equipment-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-radius: 50%;
}

.equipment-icon i {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.equipment-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-align: center;
    color: var(--color-primary);
}

.equipment-card p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.equipment-tips {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
}

.equipment-tips h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.equipment-tips ul {
    list-style: none;
    padding-left: 0;
}

.equipment-tips li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 5px;
    color: #666;
    font-size: 0.9rem;
}

.equipment-tips li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* 追加の道具 */
.additional-equipment {
    background: #f5f5f5;
    padding: 40px;
    border-radius: 10px;
}

.additional-equipment h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
}

.equipment-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.equipment-item {
    text-align: center;
}

.equipment-item img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.equipment-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.equipment-item p {
    color: #666;
    font-size: 0.95rem;
}

/* 観察のコツ */
.tips-container {
    display: grid;
    gap: 40px;
}

.tip-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.tip-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: bold;
}

.tip-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.tip-card p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.tip-image {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: 5px;
}

/* 観察場所 */
.location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.location-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.location-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.location-card h3 {
    font-size: 1.4rem;
    margin: 20px 20px 15px;
    color: var(--color-primary);
}

.location-card p {
    margin: 0 20px 20px;
    color: #666;
    line-height: 1.6;
}

.observable-birds {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 20px;
}

.bird-tag {
    background: #e8f5e9;
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 季節ごとの楽しみ方 */
.season-guide {
    display: grid;
    gap: 40px;
}

.season-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.season-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.season-icon {
    width: 40px;
    height: 40px;
}

.season-card.spring .season-icon {
    filter: invert(42%) sepia(96%) saturate(221%) hue-rotate(80deg) brightness(92%) contrast(91%);
}

.season-card.summer .season-icon {
    filter: invert(73%) sepia(96%) saturate(221%) hue-rotate(5deg) brightness(102%) contrast(101%);
}

.season-card.autumn .season-icon {
    filter: invert(47%) sepia(55%) saturate(789%) hue-rotate(346deg) brightness(94%) contrast(91%);
}

.season-card.winter .season-icon {
    filter: invert(58%) sepia(51%) saturate(451%) hue-rotate(177deg) brightness(96%) contrast(91%);
}

.season-card h3 {
    font-size: 1.6rem;
    color: var(--color-primary);
}

.season-card > p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.season-card h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #444;
}

.season-card ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 25px;
}

.season-card li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
    color: #666;
}

.season-card li::before {
    content: '🌿';
    position: absolute;
    left: 0;
}

.season-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}

/* マナーと心得 */
.manner-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.manner-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.manner-card.important {
    border: 2px solid var(--color-primary);
}

.manner-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8f5e9;
    border-radius: 50%;
}

.manner-icon i {
    font-size: 2rem;
    color: var(--color-primary);
}

.manner-card.important .manner-icon {
    background: #ffebee;
}

.manner-card.important .manner-icon i {
    color: #d32f2f;
}

.manner-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    text-align: center;
    color: var(--color-primary);
}

.manner-card ul {
    list-style: none;
    padding-left: 0;
}

.manner-card li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 12px;
    color: #666;
    line-height: 1.6;
}

.manner-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.manner-illustration {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: block;
}

/* 記録の楽しみ方 */
.record-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.record-text h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.record-text h4 {
    font-size: 1.2rem;
    margin: 30px 0 15px;
    color: #444;
}

.record-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.record-text ul {
    list-style: none;
    padding-left: 0;
}

.record-text li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 12px;
    color: #666;
    line-height: 1.6;
}

.record-text li::before {
    content: '📝';
    position: absolute;
    left: 0;
}

.record-example {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ノートサンプルのスタイル */
.notebook-sample {
    background: #fffef5;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    padding: 20px;
    font-family: 'Noto Sans JP', sans-serif;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
}

.notebook-sample::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #ff9999;
    opacity: 0.3;
}

.notebook-header {
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.notebook-header h4 {
    margin: 0 0 10px;
    color: var(--color-primary);
    font-size: 1.2rem;
}

.notebook-date {
    color: #666;
    font-size: 0.9rem;
}

.notebook-entry {
    display: flex;
    margin-bottom: 20px;
    padding-left: 20px;
}

.entry-time {
    flex: 0 0 60px;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 0.95rem;
}

.entry-details {
    flex: 1;
    color: #444;
    line-height: 1.6;
    font-size: 0.9rem;
}

.entry-details strong {
    color: #333;
}

.notebook-sketch {
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0 20px 80px;
    font-size: 0.9rem;
    color: #555;
}

.notebook-sketch i {
    color: var(--color-primary);
    margin-right: 5px;
}

.sketch-area {
    margin-top: 10px;
    padding-left: 20px;
}

.sketch-area p {
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.6;
}

.bird-sketch {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 10px auto;
    display: block;
    opacity: 0.8;
    filter: sepia(20%);
}

.notebook-footer {
    border-top: 1px solid #ddd;
    padding-top: 15px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #555;
}

.record-example .caption {
    text-align: center;
    margin-top: 15px;
    color: #666;
    font-size: 0.9rem;
}

/* さらに楽しむために */
.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advanced-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.advanced-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-radius: 50%;
}

.advanced-icon i {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.advanced-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-align: center;
    color: var(--color-primary);
}

.advanced-card p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.advanced-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
}

/* まとめ */
.conclusion {
    background: linear-gradient(135deg, #f5f5f5, #e8f5e9);
    padding: 60px 40px;
    border-radius: 15px;
    text-align: center;
}

.conclusion-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.conclusion-illustration {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto 0;
    display: block;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .intro-content {
        grid-template-columns: 1fr;
    }

    .record-content {
        grid-template-columns: 1fr;
    }

    .record-example {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .location-grid {
        grid-template-columns: 1fr;
    }

    .manner-container {
        grid-template-columns: 1fr;
    }

    .advanced-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .guide-hero {
        height: 300px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .guide-section {
        margin-bottom: 50px;
    }

    .conclusion {
        padding: 40px 20px;
    }
}