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

body {
    background-color: white;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
    background-image: url('../img/web_bg.svg');
    background-repeat: repeat;
    background-size: auto;
    min-height: 100vh;
    position: relative;
}

.main-image {
    display: block;
}

/* PC用画像 */
.pc-only {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 84vw;
    height: auto;
    aspect-ratio: 853 / 517;
}

/* スマホ用画像 */
.sp-only {
    display: none;
    width: 100vw;
    height: auto;
    min-height: 100vh;
}

/* ワイド画面で高さが低い場合 */
@media (min-width: 1000px) and (max-height: 800px) {
    .pc-only {
        width: auto;
        height: 95vh;
    }
}

/* スマホ表示 */
@media (max-width: 768px) {
    .pc-only {
        display: none;
    }
    
    .sp-only {
        display: block;
    }
}