/* 흔들흔들 달리기 — 공통 스타일 (리셋 + 기본) */

*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
}

html, body
{
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    background: #10131f;
    color: #ffffff;
}

/* 어린이 친화적 밝은 배경 그라데이션 */
body
{
    background: linear-gradient(160deg, #2a3358 0%, #161a2e 100%);
}

button
{
    font-family: inherit;
    border: none;
    cursor: pointer;
    color: #ffffff;
}

img
{
    display: block;
}