/* Wikipedia風スタイルシート */

:root {
  --wikipedia-blue: #3366cc;
  --wikipedia-dark-blue: #2a4b8d;
  --wikipedia-red: #dd3333;
  --wikipedia-green: #116644;
  --wikipedia-border: #a2a9b1;
  --wikipedia-bg: #f6f6f6;
  --wikipedia-light-bg: #f8f9fa;
  --wikipedia-text: #202122;
  --wikipedia-link: #0645ad;
  --wikipedia-visited: #0b0080;
  --sidebar-width: 180px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Lato, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--wikipedia-text);
  background: #fff;
}

/* ヘッダー */
.wiki-header {
  background: #fff;
  border-bottom: 1px solid var(--wikipedia-border);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.wiki-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--wikipedia-text);
}

.wiki-logo img {
  width: 50px;
  height: 50px;
}

.wiki-logo-text {
  font-family: 'Linux Libertine', Georgia, Times, serif;
  font-size: 22px;
  font-weight: normal;
  letter-spacing: -0.5px;
}

.wiki-logo-text span {
  color: var(--wikipedia-blue);
  font-size: 28px;
}

.wiki-search-box {
  flex: 1;
  max-width: 400px;
  display: flex;
  border: 1px solid var(--wikipedia-border);
  border-radius: 2px;
  overflow: hidden;
}

.wiki-search-box input {
  flex: 1;
  border: none;
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
}

.wiki-search-box button {
  background: var(--wikipedia-blue);
  color: white;
  border: none;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
}

.wiki-search-box button:hover {
  background: var(--wikipedia-dark-blue);
}

.wiki-nav {
  display: flex;
  gap: 16px;
  font-size: 13px;
}

.wiki-nav a {
  color: var(--wikipedia-link);
  text-decoration: none;
}

.wiki-nav a:hover {
  text-decoration: underline;
}

/* メインコンテナ */
.wiki-container {
  display: flex;
  max-width: 1340px;
  margin: 0 auto;
}

/* サイドバー */
.wiki-sidebar {
  width: var(--sidebar-width);
  padding: 20px 12px;
  background: var(--wikipedia-light-bg);
  border-right: 1px solid var(--wikipedia-border);
  min-height: calc(100vh - 70px);
  font-size: 12px;
}

.wiki-sidebar-section {
  margin-bottom: 20px;
}

.wiki-sidebar-title {
  font-weight: bold;
  font-size: 11px;
  color: #54595d;
  text-transform: uppercase;
  margin-bottom: 6px;
  padding: 0 4px;
}

.wiki-sidebar ul {
  list-style: none;
}

.wiki-sidebar li {
  padding: 4px;
  cursor: pointer;
  border-radius: 2px;
}

.wiki-sidebar li:hover {
  background: #eaecf0;
}

.wiki-sidebar a {
  color: var(--wikipedia-link);
  text-decoration: none;
}

.wiki-sidebar a:hover {
  text-decoration: underline;
}

/* メインコンテンツ */
.wiki-main {
  flex: 1;
  padding: 20px 30px;
  max-width: 960px;
}

.wiki-tabs {
  display: flex;
  border-bottom: 1px solid var(--wikipedia-border);
  margin-bottom: 20px;
  font-size: 13px;
}

.wiki-tab {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--wikipedia-link);
}

.wiki-tab.active {
  border-bottom-color: var(--wikipedia-text);
  color: var(--wikipedia-text);
  font-weight: bold;
}

.wiki-tab:hover {
  color: var(--wikipedia-text);
}

/* 記事ヘッダー */
.wiki-article-header {
  margin-bottom: 20px;
}

.wiki-article-title {
  font-family: 'Linux Libertine', Georgia, Times, serif;
  font-size: 32px;
  font-weight: normal;
  border-bottom: 1px solid var(--wikipedia-border);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.wiki-article-subtitle {
  font-size: 13px;
  color: #54595d;
}

/* 記事ボディ */
.wiki-article-body {
  display: flex;
  gap: 24px;
}

.wiki-article-content {
  flex: 1;
  font-size: 15px;
  line-height: 1.65;
}

.wiki-article-content p {
  margin-bottom: 12px;
}

.wiki-article-content h2 {
  font-size: 21px;
  font-weight: normal;
  border-bottom: 1px solid var(--wikipedia-border);
  padding-bottom: 4px;
  margin: 24px 0 12px 0;
  color: #000;
}

.wiki-article-content h3 {
  font-size: 17px;
  font-weight: bold;
  margin: 20px 0 10px 0;
}

.wiki-article-content ul,
.wiki-article-content ol {
  margin: 12px 0 12px 24px;
}

.wiki-article-content li {
  margin-bottom: 4px;
}

.wiki-article-content a {
  color: var(--wikipedia-link);
  text-decoration: none;
}

.wiki-article-content a:hover {
  text-decoration: underline;
}

.wiki-article-content sup {
  font-size: 10px;
  color: var(--wikipedia-link);
}

/* インフォボックス */
.wiki-infobox {
  width: 270px;
  border: 1px solid var(--wikipedia-border);
  background: var(--wikipedia-light-bg);
  padding: 12px;
  font-size: 12px;
  float: right;
  margin: 0 0 16px 16px;
}

.wiki-infobox-title {
  font-weight: bold;
  font-size: 14px;
  text-align: center;
  margin-bottom: 8px;
}

.wiki-infobox-image {
  text-align: center;
  margin-bottom: 8px;
}

.wiki-infobox-image img {
  max-width: 100%;
  height: auto;
}

.wiki-infobox-row {
  display: flex;
  border-bottom: 1px solid #eaecf0;
  padding: 4px 0;
}

.wiki-infobox-label {
  font-weight: bold;
  width: 40%;
}

.wiki-infobox-value {
  width: 60%;
}

/* カテゴリタグ */
.wiki-categories {
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--wikipedia-border);
  font-size: 12px;
}

.wiki-categories a {
  color: var(--wikipedia-link);
  text-decoration: none;
  background: #eaecf0;
  padding: 2px 8px;
  border-radius: 2px;
  margin-right: 4px;
}

/* ローディング */
.wiki-loading {
  text-align: center;
  padding: 60px 20px;
}

.wiki-loading-spinner {
  border: 4px solid #eaecf0;
  border-top: 4px solid var(--wikipedia-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

.wiki-loading-text {
  color: #54595d;
  font-size: 14px;
}

/* エラーメッセージ */
.wiki-error {
  background: #fee7e6;
  border: 1px solid #b32424;
  padding: 16px;
  border-radius: 2px;
  margin: 20px 0;
}

.wiki-error-title {
  font-weight: bold;
  color: #b32424;
  margin-bottom: 8px;
}

/* ホームページ */
.wiki-home {
  text-align: center;
  padding: 80px 20px;
}

.wiki-home-logo {
  font-family: 'Linux Libertine', Georgia, Times, serif;
  font-size: 64px;
  margin-bottom: 16px;
}

.wiki-home-logo span {
  color: var(--wikipedia-blue);
  font-size: 72px;
}

.wiki-home-tagline {
  font-size: 18px;
  color: #54595d;
  margin-bottom: 40px;
}

.wiki-home-search {
  max-width: 500px;
  margin: 0 auto 40px;
  display: flex;
  border: 2px solid var(--wikipedia-border);
  border-radius: 2px;
  overflow: hidden;
}

.wiki-home-search input {
  flex: 1;
  border: none;
  padding: 12px 16px;
  font-size: 16px;
  outline: none;
}

.wiki-home-search button {
  background: var(--wikipedia-blue);
  color: white;
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 16px;
}

.wiki-home-search button:hover {
  background: var(--wikipedia-dark-blue);
}

.wiki-home-suggestions {
  max-width: 500px;
  margin: 0 auto;
  text-align: left;
}

.wiki-home-suggestions-title {
  font-size: 14px;
  color: #54595d;
  margin-bottom: 12px;
  text-align: center;
}

.wiki-suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.wiki-suggestion-chip {
  background: var(--wikipedia-light-bg);
  border: 1px solid var(--wikipedia-border);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--wikipedia-link);
  transition: all 0.2s;
}

.wiki-suggestion-chip:hover {
  background: #eaecf0;
  border-color: var(--wikipedia-blue);
}

/* 目次 */
.wiki-toc {
  border: 1px solid var(--wikipedia-border);
  background: var(--wikipedia-light-bg);
  padding: 12px;
  font-size: 13px;
  margin-bottom: 20px;
  display: inline-block;
  min-width: 280px;
}

.wiki-toc-title {
  font-weight: bold;
  text-align: center;
  margin-bottom: 8px;
  font-size: 14px;
}

.wiki-toc ul {
  list-style: none;
  margin: 0;
}

.wiki-toc li {
  padding: 3px 0;
}

.wiki-toc a {
  color: var(--wikipedia-link);
  text-decoration: none;
}

.wiki-toc a:hover {
  text-decoration: underline;
}

.wiki-toc-h2 {
  padding-left: 0;
}

.wiki-toc-h3 {
  padding-left: 16px;
}

/* フッター */
.wiki-footer {
  border-top: 1px solid var(--wikipedia-border);
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: #54595d;
  margin-top: 40px;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .wiki-sidebar {
    display: none;
  }

  .wiki-article-body {
    flex-direction: column;
  }

  .wiki-infobox {
    width: 100%;
    float: none;
    margin: 0 0 16px 0;
  }

  .wiki-main {
    padding: 12px;
  }

  .wiki-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .wiki-search-box {
    order: 3;
    max-width: 100%;
    width: 100%;
  }
}