.mirative-form-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.mirative-form-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 50px 30px;
    background: #1a1a2e;
    color: white;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.mirative-form-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.2) 0%, rgba(75, 0, 130, 0.2) 100%);
    z-index: 0;
}

.mirative-form-header > * {
    position: relative;
    z-index: 1;
}

.mirative-form-header h2 {
    margin: 0 0 20px 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.platinum-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1a2e;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.subtitle {
    font-size: 15px;
    margin: 12px 0 0 0;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.mirative-form {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.05);
}

.form-section {
    margin-bottom: 40px;
}

.form-section h3 {
    font-size: 20px;
    margin: 0 0 24px 0;
    color: #1a1a2e;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1a1a2e;
    font-size: 15px;
    letter-spacing: 0.2px;
}

.required {
    color: #ff3860;
    font-size: 13px;
    font-weight: 600;
    margin-left: 4px;
}

.optional {
    color: #8e8e93;
    font-size: 13px;
    font-weight: 500;
    margin-left: 4px;
}

.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid #e5e5ea;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background: #fafafa;
    font-family: inherit;
    color: #1a1a2e;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
    outline: none;
    border-color: #8a2be2;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(138, 43, 226, 0.08);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: #fafafa;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%231a1a2e' d='M7 10L2 5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 14px;
    padding-right: 50px;
}

.form-group select option {
    padding: 10px;
    background: #fff;
    color: #1a1a2e;
}

.rewards-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 32px;
    border-radius: 12px;
    margin-bottom: 32px;
    border: 2px solid #bae6fd;
}

.rewards-section h3 {
    margin-bottom: 20px;
    color: #0c4a6e;
}

.rewards-box {
    background: white;
    padding: 24px;
    border-radius: 10px;
    border-left: 5px solid #0ea5e9;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.1);
}

.rewards-main {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: #0c4a6e;
    line-height: 1.6;
}

.notice-section {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe4e6 100%);
    padding: 32px;
    border-radius: 12px;
    border: 2px solid #fecaca;
    margin-bottom: 32px;
}

.notice-section h3 {
    margin-bottom: 20px;
    color: #991b1b;
}

.notice-list {
    margin: 0;
    padding-left: 24px;
    color: #7f1d1d;
    line-height: 1.8;
}

.notice-list li {
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 500;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #8a2be2 0%, #6a1bb2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(138, 43, 226, 0.3);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(138, 43, 226, 0.4);
    background: linear-gradient(135deg, #9d3ef7 0%, #7a2bc2 100%);
}

.submit-btn:active {
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    display: none;
    font-weight: 500;
    font-size: 15px;
    line-height: 1.6;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #6ee7b7;
    display: block;
}

.form-message.error {
    background: #fca5a5;
    color: #1a1a1a;
    border: 2px solid #ef4444;
    display: block;
}

@media (max-width: 768px) {
    .mirative-form-container {
        padding: 24px 16px;
    }
    
    .mirative-form-header {
        padding: 40px 24px;
        border-radius: 12px;
    }
    
    .mirative-form-header h2 {
        font-size: 24px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .mirative-form {
        padding: 28px 20px;
        border-radius: 12px;
    }
    
    .form-section h3 {
        font-size: 18px;
    }
    
    .rewards-section,
    .notice-section {
        padding: 24px 20px;
    }
    
    .rewards-main {
        font-size: 16px;
    }
    
    .submit-btn {
        padding: 16px;
        font-size: 17px;
    }
}

@media (max-width: 480px) {
    .mirative-form-container {
        padding: 16px 12px;
    }
    
    .mirative-form-header {
        padding: 32px 20px;
    }
    
    .mirative-form-header h2 {
        font-size: 22px;
    }
    
    .mirative-form {
        padding: 24px 16px;
    }
    
    .form-group input[type="text"] {
        font-size: 16px;
        padding: 14px 16px;
    }
    
    .rewards-section,
    .notice-section {
        padding: 20px 16px;
    }
    
    .rewards-box {
        padding: 20px 16px;
    }
    
    .submit-btn {
        padding: 15px;
        font-size: 16px;
    }
}