* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #ffffff;  /* 白背景に変更 */
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    flex: 1;
}

.name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
}

.plan-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.3);
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

.usage-section {
    display: flex;
    gap: 20px;
    padding: 15px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
}

.usage-item {
    flex: 1;
    text-align: center;
}

.usage-label {
    display: block;
    font-size: 12px;
    opacity: 0.9;
    margin-bottom: 5px;
}

.usage-value {
    font-size: 24px;
    font-weight: bold;
}

.usage-limit {
    font-size: 14px;
    opacity: 0.8;
}

/* Sections */
.section {
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.section h2 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #667eea;
}

.section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.description {
    color: #666;
    line-height: 1.8;
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.2s;
}

.feature-item:hover {
    transform: translateX(5px);
}

.feature-icon {
    font-size: 30px;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    color: #333;
    margin-bottom: 5px;
}

.feature-text p {
    color: #666;
    font-size: 14px;
}

/* 料金プランセクション */
.pricing-section {
    background: #f8f9fa;
}

.trial-notice {
    background: #fff9e6;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.trial-notice p {
    margin: 0;
    color: #856404;
    font-size: 14px;
}

.trial-notice strong {
    position: relative;
}

.trial-notice strong::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: #ffeb3b;
    z-index: -1;
    opacity: 0.5;
}

/* プラン選択 */
.plan-selector {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.plan-option {
    position: relative;
    display: block;
    padding: 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.plan-option:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.plan-option.recommended {
    border-color: #667eea;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

.plan-option input[type="radio"] {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.plan-content {
    margin-left: 35px;
}

.plan-badge-recommended {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 8px;
}

.plan-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.plan-price-main {
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
    line-height: 1;
}

.price-unit {
    font-size: 16px;
    color: #666;
}

.plan-price-sub {
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

/* プレミアム特典 */
.premium-features {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.premium-features h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #333;
}

.premium-features ul {
    list-style: none;
    padding: 0;
}

.premium-features li {
    padding: 8px 0;
    color: #666;
    font-size: 14px;
}

/* アップグレードボタン */
.upgrade-btn-new {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 15px;
}

.upgrade-btn-new:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* フィードバック特典 */
.feedback-bonus {
    background: #e8f4f8;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.feedback-bonus p {
    margin: 0;
    color: #333;
    font-size: 14px;
}

.highlight-yellow {
    background: linear-gradient(transparent 60%, #ffeb3b 60%);
    padding: 2px 4px;
    font-weight: bold;
}

/* FAQ */
.faq-section {
    background: white;
}

.faq-item {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.faq-question {
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
    font-size: 15px;
}

.faq-answer {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
}

/* 注意事項 */
.terms-section {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
}

.terms-list {
    padding-left: 20px;
    list-style: disc;
}

.terms-list li {
    margin-bottom: 10px;
    color: #856404;
    font-size: 13px;
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 12px;
}

/* 解約・管理セクション */
.cancel-section {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 12px;
    padding: 20px;
    margin-top: 0;
}

.cancel-section h3 {
    color: #856404;
    margin-bottom: 10px;
}

.cancel-section p {
    color: #856404;
    margin-bottom: 15px;
    font-size: 14px;
}

.portal-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.portal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
}

.portal-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.portal-btn:active {
    transform: translateY(0);
}