.Main {
    font-weight: var(--font-weight-w6); 
    height: 100svh;
    padding-top: 70px;
}

@media (min-width: 640px) {
    .Main {
        display: grid;
    }
}

.Contents_Inner {
    padding-top: 8px;
}

@media (min-width: 640px) {
    .Contents_Inner {
        padding-top: 30px;
    }
}

.Contents_Headline {
    font-size: calc(24 * var(--rem-ratio));
    letter-spacing: var(--letter-spacing);
    font-weight: var(--font-weight-w6);
}

.Login_Form {
    width: 100%;
    margin-top: 8px;
}

.Form_Inner {
    display: grid;
    place-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

@media (min-width: 640px) {
    .Form_Inner {
        gap: 24px;
        margin-bottom: 42px;
    }
}

.Label {
    max-width: 300px;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    row-gap: 8px;
}

input {
    position: relative;
    background-color: var(--base-color);
    border: 1px solid var(--border);
    filter: var(--drop-shadow-form);
    font-weight: var(--font-weight-w4);
    padding: 14px 20px;
}

.Fa {
    position: absolute;
    width: 22px;
    top: 44px;
    right: 14px;
    object-fit: cover;
    cursor: pointer;
}

.Login_Btn {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background-color: var(--main-color);
    color: var(--base-color);
    font-size: calc(24 * var(--rem-ratio));
    line-height: 1.3;
    filter: var(--drop-shadow-form);
    margin-inline: auto;
}

@media (min-width: 640px) {
    .Rule_Link {
        right: 37%;
    }
}

.Login_Btn::before {
    display: block;
    content: "";
    width: 100%;
    height: 23%;
    background-image: url(../images/login_btn.svg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 48px 48px;
}

.Img_Box {
    margin-top: 16px;
}

@media (min-width: 640px) {
    .Img_Box {
        margin-top: 33px;
    }
}