/* 기본 CSS 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --basicWidth: 19;
    --mainColor: #0078d4;
    --subColor: #222;
    --mainFont: 'Segoe UI', Arial, sans-serif;
}
/* 스크롤바 커스터마이징 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--mainColor);
}

::-webkit-scrollbar-thumb:hover {
    background: #005fa3;
}

::-webkit-scrollbar-track {
    background: #f9f9f9;
}
/* 스크롤바 위아래 화살표 제거 */
::-webkit-scrollbar-button {
    display: none;
    height: 0;
    width: 0;
}

/* Firefox용 */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--mainColor) #e4e4e4;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 16px;
    color: #222;
    background-color: #f9f9f9;
    line-height: 1.6;
    height: 400vh;
}

a {
    color: #0078d4;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}