/* 共通スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 20px;
}

.logo {
    max-width: 362px;
    height: auto;
    margin: 0 auto 20px;
}

.logo img {
    width: 100%;
    height: auto;
    display: block;
}

/* ページタイトル */
.page-title {
    background-color: #f0fdf4;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 30px;
    border-left: 4px solid #22c55e;
}

.page-title h1 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 0;
}

.page-title p {
    font-size: 14px;
    color: #333;
    margin: 0;
    line-height: 1.6;
}

/* Step 1: 入力画面 */
.member-info {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 30px;
    border-left: 4px solid #0066cc;
}

.member-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0066cc;
}

.member-info p {
    font-size: 14px;
    margin: 5px 0;
}

.member-type {
    font-weight: 600;
}

.member-fee {
    color: #d9534f;
    font-weight: 600;
}

.description {
    background-color: #fffbea;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 30px;
    border-left: 4px solid #f0ad4e;
    font-size: 14px;
    line-height: 1.8;
}

.description p {
    margin: 8px 0;
}

.description strong {
    display: block;
    margin-top: 12px;
    margin-bottom: 5px;
}

.errors {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
}

.errors ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.errors li {
    margin: 5px 0;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
}

.required {
    color: #d9534f;
    margin-left: 4px;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

button {
    flex: 1;
    padding: 12px 24px;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #0066cc;
    color: white;
}

.btn-primary:hover {
    background-color: #0052a3;
}

.btn-primary:active {
    background-color: #003d7a;
}

.btn-secondary {
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #e8e8e8;
}

.btn-secondary:active {
    background-color: #d9d9d9;
}

.helper-text {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

/* Step 2: 確認画面 */
.step-indicator {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-bottom: 30px;
    font-weight: 600;
}

.confirmation-section {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 30px;
    border: 1px solid #e0e0e0;
}

.confirmation-item {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
}

.confirmation-item:last-child {
    border-bottom: none;
}

.confirmation-label {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
    font-weight: 600;
}

.confirmation-value {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* Step 3: 完了画面 */
.message {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .container {
        padding: 25px;
    }

    .header {
        margin-bottom: 30px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
        border-radius: 4px;
    }

    .logo {
        max-width: 280px;
    }

    .member-info {
        padding: 12px;
        margin-bottom: 20px;
    }

    .description {
        padding: 12px;
        margin-bottom: 20px;
        font-size: 13px;
    }

    .confirmation-section {
        padding: 15px;
        margin-bottom: 20px;
    }

    .confirmation-item {
        padding: 12px 0;
    }

    .confirmation-label {
        font-size: 11px;
    }

    .confirmation-value {
        font-size: 14px;
    }

    input[type="text"],
    input[type="number"] {
        padding: 10px;
        font-size: 16px;
    }

    button {
        padding: 10px 16px;
        font-size: 14px;
    }

    .message {
        padding: 15px;
        font-size: 13px;
    }
}