.xcs-split__text span {
    display: inline-block;
    will-change: transform, opacity;
    z-index: 1000;
    position: relative;

    color: #fff;
    text-shadow: 0 0 10px #000;
    font-size: clamp(56px, 4vw, 100px);
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.15em;
}

.xcs-split__text,
.xcs-split__text span {
    font-family:
        "Noto Serif JP",
        "Hiragino Mincho ProN",
        "Hiragino Mincho Pro",
        "Yu Mincho",
        "YuMincho",
        "游明朝",
        "MS PMincho",
        "MS 明朝",
        serif;
}

@media (max-width: 768px) {
    .xcs-split__text span {
        font-size: 6vw;
    }
}