* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: url('/images/pixel_cursor.png'), auto;
}

/* クリック可能な要素のカーソルスタイル */
a,
button,
.scroll-down,
[role="button"],
input[type="submit"],
input[type="button"],
select {
    cursor: url('/images/pixel_cursor.png'), pointer;
}

/* hover時のカーソルスタイル */
a:hover,
button:hover,
.scroll-down:hover,
[role="button"]:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
select:hover {
    cursor: url('/images/pixel_cursor_hover.png'), pointer;
}

nav {
    position: fixed;
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
}

nav a {
    color: #333;
    text-decoration: none;
    font-weight: bold;
}

section {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: white;
}

#section1 { background: #FF6B6B; }
#section2 { background: #4ECDC4; }
#section3 { background: #45B7D1; }
#section4 { background: #96CEB4; }

.scroll-down {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    background: white;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scroll-down:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

/* スクロールバーのカスタマイズ */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}