.form-warning {
    font-family: Noto Sans JP;
    font-size: 15px;
    font-weight: 700;
    line-height: 21.72px;
    letter-spacing: 0.04em;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    color: #FF0000;
    margin-left: 13px;
    margin-bottom: 0;
}

.form-success {
    font-family: Noto Sans JP;
    font-size: 15px;
    font-weight: 700;
    line-height: 21.72px;
    letter-spacing: 0.04em;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    color: #179d83;
    margin-left: 13px;
    margin-bottom: 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
}

.checkbox-container input[type="checkbox"] {
    margin-right: 10px;
}

.layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 60px;
    padding-top: 50px;
}

.checkbox-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    row-gap: 20px
}

.checkbox-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: #ddd;
    transition: 0.3s;
    margin-right: 16px;
}

.checkbox-btn span::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 12px;
    border-bottom: 3px solid #fff;
    border-left: 3px solid #fff;
    transform: scale(0) rotate(-45deg);
    position: relative;
    bottom: 4px;
    transition: 0.2s;
}

.checkbox-btn input {
    display: none;
}

.checkbox-btn input:checked ~ span {
    background-color: #02bcf0;
}

.checkbox-btn input:checked ~ span::before {
    transform: scale(1) rotate(-45deg);
}