/* =============================================================================
   main.css — hugo-theme-shizuka
   モバイルファースト、1カラム、最大幅 720px
   ============================================================================= */

/* ---------------------------------------------------------------------------
   リセット & ベース
   --------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Hiragino Sans,
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color: #2d2d2d;
  background: #fff;
  line-height: 1.8;
}

/* ---------------------------------------------------------------------------
   レイアウト
   --------------------------------------------------------------------------- */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  flex: 1;
  padding: 2rem 0;
}

/* ---------------------------------------------------------------------------
   ヘッダー
   --------------------------------------------------------------------------- */
.site-header {
  border-bottom: 1px solid #e5e5e5;
  padding: 0.75rem 0;
}

.site-header .container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-title a {
  color: #2d2d2d;
  text-decoration: none;
}

.site-title a:hover {
  color: #555;
}

/* ナビゲーション */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
}

.site-nav a {
  color: #555;
  text-decoration: none;
}

.site-nav a:hover {
  color: #2d2d2d;
  text-decoration: underline;
}

/* ---------------------------------------------------------------------------
   フッター
   --------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid #e5e5e5;
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: #888;
  text-align: center;
}

.site-footer a {
  color: #888;
}

/* ---------------------------------------------------------------------------
   見出し・本文
   --------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

h1 { font-size: 1.6rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.1rem; }

p {
  margin: 0 0 1rem;
}

a {
  color: #3a6fb5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------------------------
   記事ヘッダー（single / list共通）
   --------------------------------------------------------------------------- */
.post-header {
  margin-bottom: 1.5rem;
}

.post-title {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 0.25rem;
}

.post-title a {
  color: #2d2d2d;
  text-decoration: none;
}

.post-title a:hover {
  color: #3a6fb5;
}

.post-meta {
  font-size: 0.8rem;
  color: #888;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.post-meta time {
  white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   タグ
   --------------------------------------------------------------------------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-item a {
  display: inline-block;
  background: #f0f0f0;
  color: #555;
  border-radius: 3px;
  padding: 0.1em 0.5em;
  font-size: 0.75rem;
  text-decoration: none;
}

.tag-item a:hover {
  background: #e0e0e0;
  color: #2d2d2d;
}

/* ---------------------------------------------------------------------------
   記事一覧（list ページ）
   --------------------------------------------------------------------------- */
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list-item {
  padding: 1rem 0;
  border-bottom: 1px solid #eee;
}

.post-list-item:first-child {
  padding-top: 0;
}

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

/* ---------------------------------------------------------------------------
   記事本文（single ページ）
   --------------------------------------------------------------------------- */
.post-content {
  margin-top: 1.5rem;
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1rem 1.5rem;
}

.post-content blockquote {
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid #ccc;
  color: #666;
}

.post-content blockquote p {
  margin: 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.post-content th,
.post-content td {
  padding: 0.4rem 0.75rem;
  border: 1px solid #ddd;
  text-align: left;
}

.post-content th {
  background: #f5f5f5;
  font-weight: 600;
}

.post-content hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 2rem 0;
}

/* コードブロック */
.post-content pre {
  background: #f6f6f6;
  border-radius: 4px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
}

.post-content p code,
.post-content li code {
  background: #f0f0f0;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

/* Chroma（Hugo 標準ハイライト）のコンテナ調整 */
.post-content .highlight {
  margin: 1.5rem 0;
}

.post-content .highlight pre {
  margin: 0;
}

/* ---------------------------------------------------------------------------
   ページタイトル（セクション・タクソノミー共通）
   --------------------------------------------------------------------------- */
.page-title {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e5e5e5;
}

/* ---------------------------------------------------------------------------
   タクソノミー（タグ一覧ページ）
   --------------------------------------------------------------------------- */
.taxonomy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.taxonomy-list li a {
  display: inline-block;
  background: #f0f0f0;
  color: #555;
  border-radius: 3px;
  padding: 0.2em 0.75em;
  font-size: 0.875rem;
  text-decoration: none;
}

.taxonomy-list li a:hover {
  background: #e0e0e0;
  color: #2d2d2d;
}

.taxonomy-count {
  font-size: 0.75em;
  color: #999;
  margin-left: 0.25em;
}

/* ---------------------------------------------------------------------------
   ページネーション
   --------------------------------------------------------------------------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  font-size: 0.875rem;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 0.3em 0.75em;
  border: 1px solid #ddd;
  border-radius: 3px;
  color: #555;
  text-decoration: none;
}

.pagination a:hover {
  background: #f5f5f5;
  color: #2d2d2d;
}

.pagination .active {
  background: #3a6fb5;
  border-color: #3a6fb5;
  color: #fff;
}

.pagination .disabled {
  color: #bbb;
  pointer-events: none;
}

/* ---------------------------------------------------------------------------
   ホームページ
   --------------------------------------------------------------------------- */
.home-description {
  color: #666;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.home-section {
  margin-bottom: 2.5rem;
}

.home-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #eee;
}

.home-section-title a {
  color: inherit;
  text-decoration: none;
}

.home-section-title a:hover {
  color: #555;
}

/* ---------------------------------------------------------------------------
   検索
   --------------------------------------------------------------------------- */
.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  color: #2d2d2d;
  outline: none;
}

.search-input:focus {
  border-color: #3a6fb5;
  box-shadow: 0 0 0 2px rgba(58, 111, 181, 0.15);
}

.search-button {
  padding: 0.5rem 1rem;
  background: #3a6fb5;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
}

.search-button:hover {
  background: #2f5d99;
}

#search-results {
  list-style: none;
  margin: 0;
  padding: 0;
}

#search-results li {
  padding: 0.75rem 0;
  border-bottom: 1px solid #eee;
}

#search-results li:last-child {
  border-bottom: none;
}

#search-results .result-title {
  font-weight: 600;
}

#search-results .result-meta {
  font-size: 0.8rem;
  color: #888;
  margin-top: 0.15rem;
}

/* ---------------------------------------------------------------------------
   レスポンシブ（タブレット以上）
   --------------------------------------------------------------------------- */
@media (min-width: 600px) {
  .site-header .container {
    flex-direction: row;
    align-items: baseline;
    gap: 1.5rem;
  }

  .site-title {
    flex-shrink: 0;
  }
}