body {
    margin: 0;
    min-height: 100vh;
    background-image: url("background.webp");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    font-family: "Noto Sans KR", "Segoe UI", sans-serif;
    color: #fff;
    display: flex;
    flex-direction: column;
}

header,footer {
    text-align: center;
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.85);
}

header h1 {
    margin: 0;
    color: #a5d8ff;
}

.overlay {
    flex: 1;
    background: rgba(0, 0, 0, 0.35);
}

.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 10px;
}

.post-box {
    background: rgba(0, 0, 0, 0.65);
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    padding: 30px 40px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    line-height: 1.7;
}

.post-title {
    color: #a5d8ff;
    font-size: 1.8em;
    margin-bottom: 10px;
}

.post-meta {
    font-size: 0.9em;
    color: #ccc;
    margin-bottom: 25px;
}

footer {
    font-size: 0.85em;
    color: #aaa;
}

footer a {
    color: #aaa
}

a {
    color: #a5d8ff
}


@media (max-width: 480px) {
    .post-box {
        padding: 20px;
    }

    .post-title {
        font-size: 1.4em;
    }
}