:root {
            --primary-color: #2c3e50;
            --hokkaido-color: #3498db;
            --shimane-color: #27ae60;
            --accent-color: #e67e22;
            --bg-color: #f4f7f6;
            --card-bg: #ffffff;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: var(--bg-color);
            margin: 0;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        /* --- New Agency Header Styles --- */
        .agency-header {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-left: 5px solid var(--accent-color);
            margin-bottom: 40px;
        }

        .agency-header img.left {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 50%; /* Makes the image circular */
            border: 3px solid white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            flex-shrink: 0;
        }

        .agency-header .main {
            font-size: 0.95em;
            color: #555;
        }

        .agency-header .main p {
            margin: 0;
        }
        /* ------------------------------- */

        header {
            text-align: center;
            border-bottom: 2px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 30px;
            position: relative; /* For the main itinerary image */
        }

        header img.itinerary-main-image {
            width: 100%;
            max-height: 250px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 20px;
        }

        h1 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .subtitle {
            color: #7f8c8d;
            font-size: 1.1em;
            font-weight: 500;
        }

        .overview-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
            background: #fff;
            border: 1px solid #eee;
            padding: 20px;
            border-radius: 6px;
        }

        .overview-item h3 {
            margin: 0 0 5px 0;
            font-size: 0.85em;
            color: #95a5a6;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .overview-item p {
            margin: 0;
            font-weight: bold;
            color: var(--primary-color);
        }

        .section-title {
            color: white;
            padding: 12px 25px;
            border-radius: 4px;
            margin-top: 50px;
            margin-bottom: 25px;
            font-size: 1.2em;
            letter-spacing: 0.5px;
        }

        .hokkaido-title { background-color: var(--hokkaido-color); }
        .shimane-title { background-color: var(--shimane-color); }

        .day-card {
            border-left: 4px solid #ddd;
            padding-left: 25px;
            margin-bottom: 40px;
            position: relative;
        }

        .hokkaido-section .day-card { border-left-color: var(--hokkaido-color); }
        .shimane-section .day-card { border-left-color: var(--shimane-color); }

        .day-header {
            display: flex;
            align-items: baseline;
            margin-bottom: 15px;
        }

        .day-number {
            font-size: 1.1em;
            font-weight: 800;
            color: var(--primary-color);
            margin-right: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .day-title {
            font-size: 1.2em;
            font-weight: 600;
            color: #333;
        }

        .location-block {
            margin-bottom: 20px;
        }

        .location-name {
            color: var(--accent-color);
            font-weight: 700;
            display: block;
            margin-bottom: 6px;
        }

        .species-tag {
            display: inline-block;
            background-color: #f1f2f6;
            padding: 3px 10px;
            border-radius: 15px;
            font-size: 0.8em;
            color: #57606f;
            margin-right: 6px;
            margin-bottom: 6px;
            border: 1px solid #dfe4ea;
        }

        ul {
            margin-top: 8px;
            padding-left: 20px;
            color: #555;
        }

        li {
            margin-bottom: 6px;
        }

        .logistics-box {
            background-color: #fff8e1;
            border-left: 4px solid #ffc107;
            color: #7f6000;
            padding: 15px 20px;
            border-radius: 4px;
            margin-top: 30px;
        }

        /* Bird Image Styles */
        .bird-image {
            max-width: 100%;
            height: 180px; /* Fixed height for consistency */
            object-fit: cover; /* Ensures image covers the area without distortion */
            border-radius: 8px;
            margin: 15px 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        @media (max-width: 600px) {
            .agency-header {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 20px;
            }
        }