<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Full Width Bottom-Up In-App Message Modal with Custom Font</title>
    <style>
        @font-face {
            font-family: 'Pretendard-Regular';
            src: url('<https://cdn.jsdelivr.net/gh/Project-Noonnu/[email protected]/Pretendard-Regular.woff>') format('woff');
            font-weight: 400;
            font-style: normal;
        }

        body, h1, p, button {
            margin: 0;
            padding: 0;
            font-family: 'Pretendard-Regular', Arial, sans-serif; /* Update font-family here */
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: flex-end;
            justify-content: center;
            visibility: hidden;
            opacity: 0;
            transition: visibility 0s, opacity 0.5s;
        }

        .overlay.active {
            visibility: visible;
            opacity: 1;
        }

        .modal {
            background: white;
            border-radius: 20px 20px 0 0;
            width: 100%;
            transform: translateY(100%);
            transition: transform 0.5s;
            overflow: hidden;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
        }

        .overlay.active .modal {
            transform: translateY(0);
        }

        .modal-body {
            position: relative;
            padding: 20px;
            padding-bottom: 50%;
            text-align: center;
        }

        .modal-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -1;
        }

        .modal-footer {
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            background-color: #FFFFFF;
            position: relative;
        }

        button {
            border: none;
            padding: 10px 20px;
            font-size: 14px;
            border-radius: 5px;
            cursor: pointer;
            background-color: #FFFFFF;
            color: black; /* Adjusted text color for visibility */
        }

        .close-button {
            background-color: #FFFFFF;
            color: #C3C3C3
        }

        .shop-button {
            background-color: #FFFFFF;
            color: black;
        }
    </style>
</head>
<body>
<div class="overlay" id="overlay">
    <div class="modal">
        <div class="modal-body">
            <img src="<https://i.ibb.co/xsb8GPp/DALL-E-2024-04-28-10-56-39-Illustrate-a-modern-digital-marketer-surrounded-by-computer-screens-deepl.webp>" alt="Modern Digital Marketer" class="modal-image">
        </div>
        <div class="modal-footer">
            <button class="close-button" onclick="toggleModal()">닫기</button>
            <button class="shop-button" onclick="toggleModal()">확인하기</button>
        </div>
    </div>
</div>

<script>
    function toggleModal() {
        const overlay = document.getElementById('overlay');
        overlay.classList.toggle('active');
    }
    
    // Automatically open the modal for demonstration
    window.onload = function() {
        toggleModal();
    };
</script>
</body>
</html>