.input--haruki {
    margin: 4em 1em 1em;
}
 
.input__field--haruki {
    padding: 0.4em 0.25em;
    width: 100%;
    background: transparent;
    color: #AFB5BB;
    font-size: 1.55em;
}
 
.input__label--haruki {
    position: absolute;
    width: 100%;
    text-align: left;
    pointer-events: none;
}
 
.input__label-content--haruki {
    transition: transform 0.3s;
}
 
.input__label--haruki::before,
.input__label--haruki::after {
    content: '';
    position: absolute;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 4px;
    background: #6a7989;
    transition: transform 0.3s;
}
 
.input__label--haruki::before {
    top: 0;
}
 
.input__label--haruki::after {
    bottom: 0;
}
 
.input__field--haruki:focus + .input__label--haruki .input__label-content--haruki,
.input--filled .input__label-content--haruki {
    transform: translate3d(0, -90%, 0);
}
 
.input__field--haruki:focus + .input__label--haruki::before,
.input--filled .input__label--haruki::before {
    transform: translate3d(0, -0.5em, 0);
}
 
.input__field--haruki:focus + .input__label--haruki::after,
.input--filled .input__label--haruki::after {
    transform: translate3d(0, 0.5em, 0);
}