.button01 a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    padding: 1em 2em;
    width: 300px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    transition: 0.3s;
    border-radius: 10px;
    background: linear-gradient(-135deg, transparent 10px, #D65912 0);
    /* background-position: bottom left, top left, top right, bottom right; */
    /* background-size: 50% 50%; */
    background-repeat: no-repeat;
    opacity: 1;
    box-shadow: -5px 5px 8px -4px rgb(0 0 0 / 50%);
}

.button01 a::after {
    content: '';
    width: 5px;
    height: 5px;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    transform: rotate(45deg);
}

.button01 a:hover {
    opacity: 0.7;
    transition: 0.5s;
    border-radius: 10px;
    /* background-size: 50% 50%; */
    background-repeat: no-repeat;
}

.button01ehite a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    padding: 1em 2em;
    width: 300px;
    color: #D65912;
    font-size: 18px;
    font-weight: 700;
    transition: 0.3s;
    border-radius: 10px;
    background: linear-gradient(-135deg, transparent 10px, #fff 0);
    /* background-position: bottom left, top left, top right, bottom right;
    background-size: 50% 50%; */
    background-repeat: no-repeat;
    opacity: 1;
    box-shadow: -5px 5px 8px -4px rgb(0 0 0 / 50%);
}

.button01ehite a::after {
    content: '';
    width: 5px;
    height: 5px;
    border-top: 3px solid #D65912;
    border-right: 3px solid #D65912;
    transform: rotate(45deg);
}

.button01ehite a:hover {
    opacity: 0.7;
    transition: 0.5s;
    border-radius: 10px;
    /* background-size: 50% 50%; */
    background-repeat: no-repeat;
}

.onlinemitumori_top a {
    margin: 50px 0 0 0;
}

.about_top a {
    margin: 20px 0 0 0;
}

.top_contact_bottom {
    margin-top: 50px;
}

.flow_button a {
    width: 420px;
}

button {
    appearance: none;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    outline: none;
}