.mypage_container {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
}

.mypage_container_left {
    width: 60%;
}

.mypage_container_right {
    width: 35%;
}

.mypage_container_left>div>p:nth-child(1)>span{
    font-size: 0.7em;
    line-height: 40px;
}

.mypage_text {
    padding: 30px;
    color: #293377;
    line-height: 1.27;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 2px;
    border: 3px solid #293377;
}

.mypage_sign_up,
.mypage_sign_in {
    min-height: 450px;
    font-size: 1.1em;
    margin-top: 30px;
    text-align: center;
    border: 3px solid #293377;
    padding: 30px;
}


form {
    text-align: left;
    max-width: 500px;
    margin: auto;
}
.Form-Item-Label {
    width: 100%;
    letter-spacing: 0.05em;
    font-weight: bold;
    font-size: 18px;
    margin-top: 30px;
}
.Form-Item-Label-Required {
    border-radius: 6px;
    margin-right: 8px;
    padding-top: 8px;
    padding-bottom: 8px;
    width: 48px;
    display: inline-block;
    text-align: center;
    background: #5bc8ac;
    color: #fff;
    font-size: 14px;
}

.c-form-text {
    height: 3.4em;
    width: 100%;
    margin-top: 30px;
    padding: 0 16px;
    border-radius: 4px;
    border: none;
    box-shadow: 0 0 0 1px #ccc inset;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;

}

.c-form-text:focus {
    outline: 0;
    box-shadow: 0 0 0 2px #293377 inset;
}

form>div{
    text-align: center;
}
.pp_text{
    margin-top: 30px;
    letter-spacing: 4px;
}
.btn {
    margin-top: 50px;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.5;
    position: relative;
    display: inline-block;
    padding: 1rem 4rem;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    letter-spacing: 0.1em;
    color: #212529;
    border-radius: 0.5rem;
}


.btn--black,
a.btn--black {
    color: #fff;
    background-color: #1a1919;
    font-size: 20px;
}

.btn--black:hover,
a.btn--black:hover {
    color: #fff;
    background: #1a1919;
}

.mypage_container_left>div>p:nth-child(1) {
    padding: 10px;
}

.mypage_container_right>div>p {
    padding: 10px;
    background: #293377;
    color: yellow;
}

.mypage_container_left>div>p:nth-child(3),
.mypage_container_left>div>p:nth-child(4) {
    margin-top: 30px;
    line-height: 30px;
}

.mypage_container_left>div>p:nth-child(4) {
    color: red;
}




@media (max-width: 767px) {
    .mypage_container{
        display: block;
    }
    .mypage_container_left,
    .mypage_container_right {
        width: 100%;
    }
    .mypage_container_left form,
    .mypage_container_right>div>form{
        margin: auto;
    }

    .mypage_container_right{
        margin-top: 80px;
    }
    .mypage_container_right>div>p{
        font-size: 1.3em;
        padding: 20px;
    }
}

@media (max-width: 414px) {
    .Form-Item-Label,
    .ECM_CheckboxInput-LabelText{
        font-size: 14px;
    }
    .c-form-text{
        margin-top: 20px;
        height: 3em;
    }

    .Form-Item-Label-Required {
        padding-top: 5px;
        padding-bottom: 5px;
        font-size: 11px;
    }
    .btn--black,
    a.btn--black{
        font-size: 14px;
    }
}