/* styles.css */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

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

h1 {
    text-align: center;
}

form {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical; /* 縦方向のみのサイズ変更を許可 */
    box-sizing: border-box; /* <-自分で追加 */
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.posts .post {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

.posts .post:last-child {
    border-bottom: none;
}

.posts .post.my-post {
    background-color: #d1ecf1;
    border-left: 5px solid #007bff;
}

.meta {
    font-size: 0.9em;
    color: #555;
}