* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Malgun Gothic', 'Dotum', sans-serif;
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

h1 {
    color: #2c3e50;
    margin-bottom: 5px;
}

p {
    margin-bottom: 20px;
    color: #7f8c8d;
}

.box {
    background: #f9f9f9;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: left;
}

h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #34495e;
    border-bottom: 2px solid #3498db;
    display: inline-block;
    padding-bottom: 5px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="datetime-local"],
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #2980b9;
}