html {
    font-size: 62.5%;
    margin: 0 auto;
    color: #333;
    scroll-behavior: smooth;
    scroll-padding-top: 200px;
}
.sp-hidden {
    display: block;
}
.pc-hidden {
    display: none;
}

body {
    font-size: 16px;
    letter-spacing: 1px;
    line-height: 1.8;
    font-feature-settings: "palt";
}
img {
    width: 100%;
}
a {
    color: inherit;
}
a:hover {
    opacity: 0.8;
    cursor: pointer;
    transition: all 0.7s;
}

/* フェードイン */
.fadein {
    opacity: 0;
    transform: translate(0px, 10px);
    transition: all 0.7s;
}

.fadein.scrollin {
    opacity: 1;
    transform: translate(0, 0);
}
@media screen and (max-width: 768px) {
    html {
        scroll-padding-top: 80px;
    }
    .sp-hidden {
        display: none;
    }
    .pc-hidden {
        display: block;
    }
}