body {
    font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
    background: #faf7f0;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.8;
}

header {
    background: #ff9933;
    color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 1.8em;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: #ffffff;
    padding: 20px 25px;
    margin: 20px 0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

img {
    max-width: 100%;
    border-radius: 10px;
    margin: 15px 0;
    display: block;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

h2 {
    margin-top: 0;
    color: #444;
    border-left: 5px solid #ff9933;
    padding-left: 10px;
    font-size: 1.4em;
}

@media screen and (max-width: 600px) {
    header {
        font-size: 1.5em;
        padding: 15px;
    }
    .card {
        padding: 18px;
    }
}

.back-link {
    position: fixed;
    top: 10px;
    left: 10px;
    background: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    color: #0066cc;
    box-shadow: 0 0 5px rgba(0,0,0,0.15);
    text-decoration: none;
    z-index: 1000;
}