html {
    font-size: 12px;
}

body {
    background-color: #ddf6fd;
    height: 100vh;
    width: 100vw;
    background-image: url(../image/back.png);
    background-position: bottom center;
    background-repeat: no-repeat;
    font-family: "fot-udmarugo-large-pr6n", sans-serif;
    font-weight: 500;
    font-style: normal;
    color: #454545;
}

img {
    max-width: 100%;
}

.mt-30 {
    margin-top: 30px;
}

.mt-15 {
    margin-top: 15px;
}

.mt-40 {
    margin-top: 40px;
}

main {
    max-width: 510px;
    width: 100%;
    padding: 13vh 15px 0;
    margin: 0 auto;
}

.title {
    text-align: center;
}

.title__txt {
    color: #1085bd;
    font-size: 2rem;
}

.title__img img {
    vertical-align: middle;
}

.form {
    margin-top: 30px;
}

.form__input-box {
    display: flex;
    justify-content: flex-start;
    position: relative;
}

.form__ttl {
    display: block;
    font-size: 1rem;
}

.form__img {
    display: inline-block;
    background-color: #1085bd;
    height: 43px;
    padding: 10px 3px 0 ;
    border-radius: 10px 0 0 10px;
}

.form__img img {
    width: 50%;
    margin: 0 auto;
    display: block;
}

.form__input {
    background-color: #fff;
    border: 1px solid #1085bd;
    border-radius: 0 10px 10px 0;
    position: relative;
    width: 100%;
    padding-left: 8px;
}

.form__input::placeholder {
    color: #a3a3a3;
}

.form__eye {
    position: absolute;
    right: 20px;
    top: 0;
    bottom: 0;
    margin: auto 0;
    width: 30px;
    cursor: pointer;
}

.form-submit__btn {
    display: block;
    background-color: #1085bd;
    padding: 3px 0 4px;
    border-radius: 10px;
    color: #fff;
    font-size: 1.3rem;
    width: 100%;
    transition: background-color .4s;
}

.form-submit__btn:hover {
    background-color: #6594f0;
}

.form-submit__btn:active {
    background-color: #125b9b;
}

.form-submit__contact {
    text-align: right;

}

.form-submit__contact a {
    color: #1085bd;
    font-size: 1rem;
    position: relative;
}

.form-submit__contact a::before {
    content: '';
    background-image: url(../image/mail.png);
    background-size: contain;
    width: 20px;
    height: 12px;
    position: absolute;
    top: 9px;
    left: -25px;
}

::-ms-reveal {
    display: none;
}

input[type="password"]#password {
    font-size: 30px;
    height: 43px;
    padding-bottom: 8px;
}

input[type="password"]#password::placeholder {
    font-size: 12px;
    padding-bottom: 35px;
}

input[type="password"]#password:placeholder-shown {
    padding-bottom: 18px;
}
/*
.form-submit__btn.force {
    display: inline-block;
    width: 65%;
}
.form-submit__btn.cancel {
    display: inline-block;
    background-color: #fff;
    color: #1085bd;
    width: 30%;
}
.form-submit__btn.cancel:hover {
    background-color: #6594f0;
    color: #fff;
}

.form-submit__btn.cancel:active {
    background-color: #125b9b;
    color: #fff;
}
*/
@media (min-width: 480px) {
    html {
        font-size: 16px;
    }

    main {
        padding: 10vh 10px;
    }

    .form__ttl {
        font-size: .8rem;
    }
}

.error_message {
    color: red;
}

.disable{
    pointer-events: none;
    opacity: .5;
}