body {
    font-family: sans-serif;
    background: #f5faff;
    color: #222;
    text-align: center;
    padding: 2rem;
    margin: 0;
}

.container {
    max-width: 500px;
    margin: auto;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

button:hover {
    background: #0056b3;
}

.hidden {
    display: none;
}

#help-area {
    left: 0;
    top: 0;
    margin: 8px;
    background: white;
    width: calc(100vw - 16px);
    height: calc(100vh - 16px);
    position: fixed;
    border-radius: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

#help-area>div {
    height: 100%;
    border: none;
    text-align: left;
    overflow: auto;
    scrollbar-width: none;
}

#help-area h1,
#help-area h2 {
    text-align: center;
}

figure {
    margin: 1rem;
    text-align: center;
}

figure>img {
    width: 55%;
}

figcaption {
    font-size: 2rem;
}