:root {
    --primary-bg: #FDF4E0;
    --secondary-bg: #DFAA4F;
    --form-bg: #fcf9f2;
    --button-color: #DFAA4F;
    --text-color: #333;
    --footer-bg: #F0E0B8;
    --header-bg: #DFAA4F;
    --button-hover-color: #C99A3F;
    --ng-color: #a37c24;
    --error-color: #ff0000;
    --link-color: #1a5f7a;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    background-color: var(--primary-bg);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height:100vh;
}

.container {
    margin-top:1rem;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.error {
    text-align:center;
    margin:5px auto 10px;
}

.logo {
    display: block;
    margin: 0 auto 1rem;
}

h1 {
    text-align: center;
    color: var(--text-color);
    font-size: 1.2em;
}

form {
    display: flex;
    flex-direction: column;
}

input[type="email"] {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--secondary-bg);
    background-color: var(--form-bg);
    border-radius: 4px;
    font-size: 1.1em;
}

input::placeholder {
    color: #999;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--secondary-bg);
    background-color: var(--form-bg);
    border-radius: 4px;
    font-size: 1.1em;
    box-sizing: border-box;
}
.password-container {
    position: relative;
    margin-top: 0.5em;
}
.password-container02 {
    position: relative;
}
.password-container i {
    position: absolute;
    top: 35%;
    right: 10px;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-color);
}
.url-example {
    font-size: 0.9em;
    color: var(--ng-color) !important;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
}
.url-message {
    display: none;
    font-size: 14px;
    padding: 0.5rem;
    border-radius: 4px;
    margin-bottom: 1.0rem;
    color: var(--text-color);
    word-break: break-word;
    overflow: hidden;
}

.url-message.error {
    background-color: var(--error-color);
    color: white;
}

.checkbox-container {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.checkbox-container label {
    font-size: 0.9em;
}

input[type="checkbox"] {
    margin-right: 0.5rem;
}

button {
    background-color: var(--button-color);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--button-hover-color);
}

.package-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 2rem auto 0;
    background-color: white;
    color: var(--button-color);
    border: 2px solid var(--button-color);
    text-align: center;
    text-decoration: none;
    padding: 0.75rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.package-button:hover {
    background-color: var(--button-color);
    color: white;
}

.notes {
    text-align: center;
    font-size: 0.9em;
    margin-top: 1rem;
    color: var(--text-color);
}

.copyright {
    text-align: center;
    font-size: 0.8em;
    margin-top: 1rem;
    color: var(--text-color);
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.message {
    font-weight: bold;
    color: var(--error-color);
}

.code-input {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}
.code-input input {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    text-align: center;
    margin: 0 5px;
    border: 1px solid var(--secondary-bg);
    background-color: var(--form-bg);
    border-radius: 4px;
}

.code-input input::-webkit-outer-spin-button,
.code-input input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.code-input input[type=number] {
    appearance: textfield;
    -moz-appearance: textfield;
}
.url-example { font-size: 0.8em; color: #666; }

.form-group {
    position: relative;
    margin-top: 8px;
}
.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}
.form-group label {
    position: absolute;
    top: -12px;
    left: 2px;
    font-size: 12px;
    color: #333;
    background-color: white;
    padding: 0 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.form-group input:focus::placeholder {
    color: transparent;
}
.form-group input:focus + label {
    opacity: 1;
}

.spacer {
    margin-top: 2em;
}

.confirm {
    text-align: left;
    font-size: 0.9em;
    margin-top: 0.5rem;
    color: var(--text-color);
}

.confirm_data {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.confirm_data dt {
    font-weight: bold;
    text-align: right;
    grid-column: 1;
}

.confirm_data dd {
    margin: 0;
    grid-column: 2;
}

.confirm_data dt:not(:has(+ dd)) {
    grid-column: 1 / -1;
    text-align: left;
}

.cancel {
    display: block;
    color: var(--button-color);
    text-align: center;
    text-decoration: none;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

#loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

#loading-box {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--button-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto 0;
}

.admin-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 2rem auto 0;
    background-color: white;
    color: var(--button-color);
    border: 2px solid var(--button-color);
    text-align: center;
    text-decoration: none;
    padding: 0.75rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.admin-button:hover {
    background-color: var(--button-color);
    color: white;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 968px) {
    .container {
        max-width: 75%;
        padding: 1rem;
    }
    h1 {
        font-size: 1.1em;
    }
    input[type="email"] {
        font-size: 1em;
    }
    button {
        font-size: 0.9em;
    }
    .code-input input {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
    .notes {
        font-size: 0.8em;
        padding: 0 1.5rem;
    }
    .message {
        font-size: 0.9em;
        padding: 0 1.5rem;
    }
    .url-message {
        font-size: 12px;
        padding: 0.3rem;
    }
    .url-message.success {
        display: none !important;
    }
    .copyright {
        font-size:0.5em;
    }
}