.errorlist {
    position: absolute;
    list-style: none;
    font-size: large;
    top: 0;
    left: 0;
    width: 100%;
}
.errorlist li {
    padding: 20px;
    background-color: yellow;
    font-family: Source Sans Pro;
}

/* ---------------------- 全体 ----------------------------*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border: none;
}

.content {
    display: flex;
}

/* ------------------------- 表紙イラスト ----------------------*/
.cover-wrap {
    position: relative;
    width: 50%;
    min-width: 700px;
    height: auto;
    min-height: 100vh;
}
.cover-img-bk {
    position: absolute;
    width: 100%;
    height: 100%;
}
.cover-img-fig {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* -------------------------- コンテンツ本体 ------------------- */
.text-wrap {
    position: relative;
    padding: 15% 180px 5%;
    width: 50%;
    min-width: 700px;
}
.logo-img {
    text-align: center;
}

h1 {
    line-height: 21px;
    text-align: center;
    font: Bold 35px Source Sans Pro;
    letter-spacing: 7px;
    color: #43425d;
    opacity: 1;
}
.welcome-text {
    margin-top: 10px;
    white-space: nowrap;
    text-align: center;
    font: 18px/13px Source Sans Pro;
    line-height: 18px;
    color: #4d4f5c;
    opacity: 0.5;
}

/* ----------------------  form  ------------------------------ */

form {
    margin-top: 27.01px;
    text-align: center;
}
.form-input {
    margin-top: 47px;
    text-align: left;
    white-space: nowrap;
    color: #43425d;
}
.form-input input {
    width: 90%;
    margin-left: 20px;
    padding-bottom: 10px;
    font-size: 15px;
}
.form-input input:focus {
    outline: 0;
}

.form-input hr {
    border-top: 2px solid #e9e9f0;
}

.submit-button {
    width: 229px;
    height: 50px;
    margin-top: 64px;
    background-color: #43425d;
    color: white;
    font-size: 18px;
    border-radius: 5px;
}

.remember-me-wrap {
    position: relative;
    overflow: visible;
}
.remember-me {
    position: relative;
    top: -2px;
    overflow: visible;
    left: 30px;
    white-space: nowrap;
    text-align: left;
    font-family: Source Sans Pro;
    font-style: normal;
    font-weight: normal;
    font-size: 15px;
    color: rgba(67, 66, 93, 1);
}

input[type='checkbox'] {
    display: none;
}
.checkbox-label {
    position: absolute;
    width: 18px;
    height: 18px;
    background: #ffffff 0 0 no-repeat padding-box;
    border: 1px solid #808495;
    border-radius: 4px;
    opacity: 1;
}
input[type='checkbox']:checked + .checkbox-label:after {
    position: absolute;
    content: '';
    display: block;
    width: 8px;
    height: 12px;
    top: -3px;
    left: 3px;
    transform: rotate(40deg);
    border-bottom: 3px solid #d01137;
    border-right: 3px solid #d01137;
}

button[type='submit'] {
    display: block;
    width: 230px;
    height: 50px;
    margin: 110px auto 50px;
}
div.login-string {
    display: table;
    overflow: visible;
    width: 230px;
    height: 50px;
    cursor: pointer;
    background: rgb(67, 66, 93);
    border-radius: 4px;
}
div.login-string span {
    display: table-cell;
    vertical-align: middle;
    font-family: Source Sans Pro;
    white-space: nowrap;
    font-style: normal;
    font-weight: normal;
    font-size: 18px;
    color: rgba(255, 255, 255, 1);
}