:root {
    --bs-border-color: var(--bs-gray-600);
    --code-font: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.code-area {
    min-height: 7em;
    font-family: var(--code-font);
    font-size: 0.95rem;
    line-height: 1.4;
    white-space: pre;
    resize: vertical; /* 横は固定 */
}

@media (min-width: 992px) {
    .code-area {
        min-height: 360px;
    }
}