@font-face {
    font-family: 'njnaruto';
    src: url('https://db.onlinewebfonts.com/t/c5c58296aa28f40b4f3f215be6bd31dd.woff2') format('woff2');
}

/* Base styles */
body {
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.98),
        rgba(20, 20, 20, 0.98)
    );
    color: #ffffff;
    position: relative;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Header styles */
header {
    background: url('https://imagedelivery.net/NAaL_-q_p_bxlVdCND_Iag/faf83e3b-22fe-491b-0fcb-08592a8cb900/public') center 80%/cover no-repeat;
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    margin-bottom: 2rem;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

header h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: 7rem;
    position: relative;
    z-index: 2;
    margin: 0;
    text-shadow: 
        3px 3px 6px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.2em;
    font-weight: 900;
    color: #fff;
    line-height: 1.4;
}

/* Media Queries */
@media (max-width: 768px) {
    header {
        height: 200px;
    }

    header h1 {
        font-size: 5rem;
    }
}