/* style.css */

/* 全体のスタイル */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: #333;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

select,
textarea,
button {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

select:focus,
textarea:focus,
button:focus {
    border-color: #007bff;
    outline: none;
}

button {
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#plot {
    width: 100%;
    height: 400px;
}

/* エラースタイル */
textarea.error {
    border: 2px solid red;
    background-color: #ffe6e6;
}

.github-link {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    color: #333;
    text-decoration: none;
}

.github-link:hover {
    color: #007bff;
}

/* スマホ用のスタイル */
@media (max-width: 600px) {
    .container {
        max-width: 100%;
        margin: 0;
        padding: 10px;
        border-radius: 0;
        box-shadow: none;
    }

    label,
    select,
    textarea,
    button {
        width: 100%;
        box-sizing: border-box;
    }

    textarea {
        resize: vertical;
    }
}