#summary-container {
    text-align: center;
    margin: clamp(12px, 4vw, 32px);
}
#build-title,
#build-description {
    display: block;
    width: 100%;
    max-width: 500px;
    padding: 12px 16px;
    font-size: 1.1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    background-color: white;
}

#build-title:focus,
#build-description:focus {
    border-color: #007bff;
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.2);
}

#build-title::placeholder,
#build-description::placeholder {
    color: #aaa;
    font-size: 1rem;
}

#build-description {
    height: 120px;
    resize: vertical; /* ユーザーが縦方向にリサイズ可能 */
    line-height: 1.4;
}