body {
    background-color: #ffffff;
    color: #0f172a;
    font-family: 'Noto Sans JP', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.logo-image {
    mix-blend-mode: multiply;
}

.hover-underline {
    position: relative;
}
.hover-underline::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: currentColor;
    transform-origin: bottom right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.stripe-underline {
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}
.stripe-underline::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 7px;
}

.stripe-mail::after {
    background: repeating-linear-gradient(
        -45deg,
        #60a5fa,
        #60a5fa 2px,
        transparent 2px,
        transparent 4px
    );
}

.stripe-url::after {
    background: repeating-linear-gradient(
        -45deg,
        #c084fc,
        #c084fc 2px,
        transparent 2px,
        transparent 4px
    );
}