html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    translate: 0.5s all;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    overflow-x: hidden;
    margin-bottom: 60px;
}

header {
    display: none!important;
}

@media screen and (max-width: 768px) {
    body {
        margin-bottom: 0;
    }
}

ul {
    list-style: none;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
}

a {
    text-decoration: none !important;
    color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.main {
    position: relative;
    height: calc(100vh - 60px);
    overflow: hidden;
}

.sp-br {
    display: none;
}

.main .back-container {
    position: absolute;
    left: 0;
    top: 0;
    padding: 0 20px;
    width: calc(100% - 40px);
    height: 100%;
    background-color: #282832;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
    gap: 40px 20px;
}

.main .back-container .img {
    width: 100%;
    height: 100%;
    background-color: wheat;
    overflow: hidden;
}

.main .back-container .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main .main-container {
    width: 100%;
    height: inherit;
    position: relative;
    background-color: rgba(0, 0, 0, 0.6);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.main .main-container .title-content {
    display: flex;
    height: inherit;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.main .main-container .title-content .logo {
    height: 80px;
}

.main .main-container .title-content .logo img {
    height: 100%;
    object-fit: contain;
}

.main .main-container .title-content .main-title {
    font-size: 40px;
    line-height: 60px;
    color: white;
    font-weight: 700;
    text-align: center;
    margin-top: 40px;
}

.main .main-container .title-content .sub-title {
    margin-top: 30px;
    color: white;
    text-align: center;
}

.main .main-container .title-content .sub-title span {
    position: relative;
}

.main .main-container .title-content .sub-title span::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #f0d56d;
}

.main .main-container .form-content {
    background-color: white;
    width: 60%;
    height: inherit;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 5%;
    margin: auto;
    border-radius: 5px;
    form {
        margin: 0!important;
    }
}

.main .main-container .form-content .img {
    padding: 15px 0;
    height: 60px;
}

.main .main-container .form-content .img img {
    height: 100%;
    object-fit: contain;
}

.main .main-container .form-content .input-group {
    display: flex;
    flex-direction: column;
}

.main .main-container .form-content .input-group label {
    padding: 5px 0 3px 0;
    font-size: 18px;
    line-height: 25px;
    color: #000;
}

.main .main-container .form-content .input-group input {
    margin: 3px 0;
    height: 35px;
    width: 97%;
    border: 2px solid #e6e6e6;
    border-radius: 5px;
    padding-left: 5px;
    font-size: 18px;
}

.main .main-container .form-content .password-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.main .main-container .form-content .password-group label {
    padding: 5px 0 3px 0;
    font-size: 18px;
    line-height: 25px;
    color: #000;
}

.main .main-container .form-content .password-group input {
    margin: 3px 0;
    height: 40px;
    width: 97%;
    border: 2px solid #e6e6e6;
    border-radius: 5px;
    padding-left: 5px;
    font-size: 18px;
}

.main .main-container .form-content .password-group .password-icon {
    position: absolute;
    display: flex;
    align-items: center;
    top: 70%;
    height: 20px;
    right: 10px;
    transform: translateY(-50%);
    cursor: pointer;
}

.main .main-container .form-content .password-group .password-icon img {
    height: 100%;
    object-fit: contain;
}

.main .main-container .form-content .check {
    display: flex;
    padding: 5px 0 3px 0;
    margin-top: 20px;
}

.main .main-container .form-content .check p {
    font-size: 14px;
    line-height: 18px;
    margin-left: 10px;
}

.main .main-container .form-content .check p a {
    text-decoration: underline !important;
}

.main .main-container .form-content .check input[type="checkbox"] {
    width: 25px;
    height: 25px;
    margin-top: 0;
}

.main .main-container .form-content .select {
    display: flex;
    flex-direction: column;
}

.main .main-container .form-content .select label {
    padding: 5px 0 3px 0;
    font-size: 18px;
    line-height: 25px;
    color: #000;
}

.main .main-container .form-content .select select {
    margin: 3px 0;
    height: 40px;
    width: 100%;
    border: 2px solid #888585;
    padding-left: 5px;
    border-top: none;
    border-right: none;
    border-left: none;
    font-size: 16px;
}

.main .main-container .form-content .line-label {
    font-size: 20px;
    line-height: 20px;
    text-align: center;
    position: relative;
    margin-top: 0px;
}

.main .main-container .form-content .line-label::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 20%;
    height: 1px;
    background-color: #888585;
}

.main .main-container .form-content .line-label::after {
    content: "";
    position: absolute;
    top: 10px;
    right: 0;
    width: 20%;
    height: 1px;
    background-color: #888585;
}

.main .main-container .form-content .button {
    padding: 15px 0;
}

.main .main-container .form-content .button button {
    cursor: pointer;
    height: 50px;
    width: 100%;
    border-radius: 5px;
    font-size: 18px;
    background: linear-gradient(to bottom, #e39ff9, #cb9af8, #b392f8);
    color: white;
    border: none;
}

.main .main-container .form-content .login-link {
    padding: 15px 0;
}

.main .main-container .form-content .login-link a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    width: 100%;
    border-radius: 5px;
    background: linear-gradient(to bottom, #e39ff9, #cb9af8, #b392f8);
    color: white;
    border: none;
}

footer {
    position: relative;
}

@media only screen and (max-width: 1500px) {
    .main .main-container .form-content .line-label::before {
        width: 15%;
    }
    .main .main-container .form-content .line-label::after {
        width: 15%;
    }
}

@media only screen and (max-width: 1300px) {
    .main .main-container .title-content .sub-title .pc-br {
        display: none;
    }
}

@media only screen and (max-width: 1200px) {
    .main .main-container .form-content .line-label::before {
        width: 10%;
    }
    .main .main-container .form-content .line-label::after {
        width: 10%;
    }
    .main .main-container .title-content .main-title {
        font-size: 35px;
    }
    .main .main-container .form-content .line-label {
        margin-top: 0px;
    }
}

@media only screen and (max-width: 1050px) {
    .main .main-container .form-content .line-label::before {
        width: 0%;
    }
    .main .main-container .form-content .line-label::after {
        width: 0%;
    }
}

@media only screen and (max-width: 1024px) {
    .main .main-container {
        grid-template-columns: 1fr 300px;
    }
    .main .main-container .form-content {
        width: auto;
    }
    .main .main-container .title-content .main-title {
        font-size: 32px;
        line-height: 50px;
    }
    .main .back-container {
        grid-template-columns: 1fr 1fr 1fr;
        grid-template-rows: auto;
    }
    .main .back-container .img:nth-child(n+13):nth-child(-n+30) {
        display: none;
    }
}

@media only screen and (max-width: 768px) {
    .main {
        background-color: #000;
        height: fit-content;
    }
    .main .main-container {
        z-index: 2;
        grid-template-columns: 1fr;
        height: fit-content;
        padding-top: 100px;
    }
    .main .back-container {
        z-index: 0;
        grid-template-columns: 1fr 1fr;
        gap: 20px 20px;
        grid-template-rows: auto;
        padding: 0;
        width: 100%;
        margin: auto;
        overflow: hidden;
    }
    .main .back-container .img {
        height: 200px;
    }
    .main .main-container .form-content {
        width: 80%;
        padding: 15px 5%;
        margin: auto;
        margin-top: 40px;
        margin-bottom: 40px;
        overflow: hidden;
        form {
            margin: 30px 0;
        }
    }
    .main .main-container .form-content .img {
        padding: 10px 0;
    }
    .back-color {
        height: 400px;
        position: absolute;
        width: 100%;
        bottom: 406px;
        left: 0;
        z-index: 1;
        background-color: #000;
    }
    .main .main-container .title-content .logo {
        height: 60px;
    }
    .main .main-container .title-content .main-title {
        margin-top: 30px;
    }
    .main .main-container .title-content .sub-title {
        margin-top: 10px;
        font-size: 15px;
        line-height: 25px;
    }
    .pc-br {
        display: none;
    }
    .sp-br {
        display: block;
    }
    .main .main-container .title-content {
        padding: 0;
    }
}

@media only screen and (max-width: 480px) {
    .main .back-container {
        height: fit-content;
        .img {
            height: 130px;
        }
    }
    .main .main-container .form-content .img {
        height: 40px;
        padding: 5px 0;
    }
    .main .main-container .title-content .main-title {
        font-size: 25px;
        line-height: 35px;
    }
    .main .main-container .title-content .sub-title {
        font-size: 12px;
        line-height: 18px;
    }
    .main .main-container .form-content .input-group label,
    .main .main-container .form-content .password-group label,
    .main .main-container .form-content .select label,
    .main .main-container .form-content .line-label,
    .main .main-container .form-content .button button,
    .main .main-container .form-content .login-link a,
    .main .main-container .form-content .select select {
        font-size: 15px;
    }
}