/* モダンなデザインのベース */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ヘッダーデザイン */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 20px;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 2.5em;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.8em;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.9em;
    color: #666;
    font-weight: 500;
    margin-top: 2px;
}

.header-nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.header-cta {
    display: flex;
    align-items: center;
}

.cta-button {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1em;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* メインコンテンツ */
.main-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.2em;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.4;
}

/* ヒーローセクション */
.hero-section {
    text-align: center;
    margin: 40px 0;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
    border-radius: 20px;
    border: 2px solid rgba(102, 126, 234, 0.1);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-icon {
    font-size: 4em;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.hero-subtitle {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2em;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 説明セクション */
.description {
    margin-bottom: 50px;
}

.description-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.description-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.description-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.description-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.description-item h3 {
    font-size: 1.3em;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.description-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* ポイントサイトカード */
.pointsite-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.pointsite-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid rgba(102, 126, 234, 0.1);
}

.pointsite-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.pointsite-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 20px;
    text-align: center;
    position: relative;
}

.pointsite-icon {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.pointsite-header h3 {
    font-size: 1.5em;
    margin: 0 0 10px 0;
    font-weight: bold;
}

.pointsite-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: bold;
    display: inline-block;
    backdrop-filter: blur(10px);
}

.pointsite-image {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
}

.pointsite-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pointsite-content {
    padding: 25px;
}

.pointsite-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: linear-gradient(135deg, #f0f4ff, #e8f0ff);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.feature-icon {
    font-size: 1.2em;
}

.feature-item span:last-child {
    font-weight: 500;
    color: #333;
}

.pointsite-description {
    font-size: 1.1em;
    color: #333;
    line-height: 1.7;
    margin-bottom: 15px;
    font-weight: 500;
}

.pointsite-detail {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.pointsite-experience {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
    background: linear-gradient(135deg, #fff8f0, #f0f8ff);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #ffa500;
}

.pointsite-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.pointsite-btn:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 比較テーブル */
.comparison-section {
    margin: 40px 0;
}

.comparison-section h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
    position: relative;
}

.comparison-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.comparison-table th {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 20px;
    font-weight: bold;
    font-size: 1.1em;
    text-align: center;
}

.comparison-table td {
    padding: 18px 20px;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    transition: all 0.3s ease;
}

.comparison-table tr:hover td {
    background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
    transform: translateY(-2px);
}

.comparison-table a {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 16px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
    transition: all 0.3s ease;
    display: inline-block;
}

.comparison-table a:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.rate-highlight {
    font-size: 1.2em;
    font-weight: bold;
    color: #e74c3c;
}

/* 注意事項 */
.notice {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    border: 1px solid #ffcc80;
    border-radius: 15px;
    padding: 20px;
    margin: 30px 0;
    color: #e65100;
}

.notice p {
    margin-bottom: 10px;
}

/* サイドバー */
.sidebar {
    display: grid;
    gap: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.card h2 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid #667eea;
}

.card h3 {
    font-size: 1.3em;
    color: #667eea;
    margin: 25px 0 15px 0;
}

.card p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.card img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 15px 0;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    margin: 10px 5px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

/* フッター */
footer {
    text-align: center;
    padding: 30px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header-container {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .header-logo {
        justify-content: center;
    }

    .logo-icon {
        font-size: 2em;
    }

    .logo-main {
        font-size: 1.5em;
    }

    .header-nav {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 0.9em;
    }

    .cta-button {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .main-content {
        padding: 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    .hero-section {
        padding: 30px 15px;
        margin: 30px 0;
    }

    .hero-icon {
        font-size: 3em;
    }

    .hero-subtitle {
        font-size: 1.5em;
    }

    .hero-description {
        font-size: 1.1em;
    }

    .description-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .description-item {
        padding: 20px;
    }

    .pointsite-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .pointsite-card {
        margin-bottom: 20px;
    }

    .pointsite-header {
        padding: 15px;
    }

    .pointsite-icon {
        font-size: 2em;
    }

    .pointsite-header h3 {
        font-size: 1.3em;
    }

    .pointsite-content {
        padding: 20px;
    }

    .pointsite-features {
        gap: 8px;
    }

    .feature-item {
        padding: 8px;
        font-size: 0.9em;
    }

    .comparison-table {
        font-size: 0.9em;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }

    .card {
        padding: 20px;
    }

    .btn {
        display: block;
        width: 100%;
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 15px;
    }

    .logo-icon {
        font-size: 1.8em;
    }

    .logo-main {
        font-size: 1.3em;
    }

    .logo-sub {
        font-size: 0.8em;
    }

    .header-nav {
        gap: 10px;
    }

    .nav-link {
        padding: 5px 10px;
        font-size: 0.8em;
    }

    .cta-button {
        padding: 8px 16px;
        font-size: 0.8em;
    }

    h1 {
        font-size: 1.5em;
    }

    .hero-section {
        padding: 20px 10px;
    }

    .hero-icon {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.3em;
    }

    .hero-description {
        font-size: 1em;
    }

    .description-item {
        padding: 15px;
    }

    .description-icon {
        font-size: 2em;
    }

    .pointsite-header {
        padding: 12px;
    }

    .pointsite-icon {
        font-size: 1.8em;
    }

    .pointsite-header h3 {
        font-size: 1.2em;
    }

    .pointsite-content {
        padding: 15px;
    }

    .pointsite-description {
        font-size: 1em;
    }

    .pointsite-btn {
        padding: 12px 15px;
        font-size: 1em;
    }

    .comparison-table {
        font-size: 0.8em;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 4px;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-content,
.card {
    animation: fadeInUp 0.6s ease-out;
}

.card:nth-child(2) {
    animation-delay: 0.2s;
}

.card:nth-child(3) {
    animation-delay: 0.4s;
}

/* 比較表が0件のときの表示（update_point_keiyu_koushin.py が出力） */
.comparison-table td.no-data {
    text-align: center;
    color: #666;
    padding: 30px 15px;
    line-height: 1.7;
}

/* カテゴリ別の定型ブロック */
.category-guide .guide-lead {
    color: #555;
}

.category-guide .guide-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 15px;
}

.category-guide .guide-list li {
    background: #f8f9ff;
    border-left: 4px solid #667eea;
    border-radius: 10px;
    padding: 15px 20px;
    line-height: 1.7;
    color: #444;
}

.category-guide .guide-list li strong {
    display: block;
    color: #333;
    margin-bottom: 5px;
}

.category-guide .guide-note {
    margin: 20px 0 0;
    font-size: 0.9em;
    color: #777;
}

/* 紹介文が4項目のときは2列×2段で並べる */
.description-grid.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .description-grid.grid-2 {
        grid-template-columns: 1fr;
    }
}