* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    color: #fff;
    background: url("images/bg-desktop-thumb.jpg") no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
}

#bg-full {
    position: fixed;
    inset: 0;
    background: no-repeat center center fixed;
    background-size: cover;
    z-index: -2;
    opacity: 0;
    transition: opacity 0.8s ease;
}

#bg-full.visible {
    opacity: 1;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: -1;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-inner {
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 56px;
}

.logo {
    font-weight: 600;
    font-size: 1.1rem;
    color: #fff;
    text-decoration: none;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.name {
    font-size: 4.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-shadow: 0 0 40px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    body {
        background-image: url("images/bg-mobile-thumb.jpg");
    }

    .name {
        font-size: 2.2rem;
    }
}