/*
Theme Name: Voyage Log
Theme URI: https://example.com/voyage-log
Author: Captain Developer
Author URI: https://example.com
Description: ヨットで大航海する航海日誌をモチーフにしたWordPressテーマ。深い海の青、羊皮紙のようなクリーム色、ゴールドのアクセントで航海の雰囲気を演出します。
Version: 1.0.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: voyage-log
Tags: blog, one-column, custom-menu, featured-images, translation-ready
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
*/

/* ========================================
   CSS カスタムプロパティ（航海テーマカラー）
   ======================================== */
:root {
  /* 海の色 */
  --color-deep-sea: #0b1d3a;
  --color-navy: #142850;
  --color-ocean: #1b4965;
  --color-teal: #5fa8d3;
  --color-wave: #bee9e8;

  /* 羊皮紙・ゴールド */
  --color-parchment: #f5f0e8;
  --color-parchment-dark: #e8dfd1;
  --color-gold: #c9a84c;
  --color-gold-dark: #a68a3e;
  --color-rope: #8b6914;

  /* テキスト */
  --color-ink: #1a1a2e;
  --color-ink-light: #4a4a5e;
  --color-ink-faded: #7a7a8e;

  /* フォント */
  --font-heading: 'Playfair Display', 'Noto Serif JP', Georgia, serif;
  --font-body: 'Noto Sans JP', 'Segoe UI', sans-serif;
  --font-log: 'Courier Prime', 'Noto Sans JP', monospace;

  /* サイズ */
  --content-width: 800px;
  --site-width: 1100px;
  --gap: 2rem;
}

/* ========================================
   リセット & ベース
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-parchment);
  line-height: 1.8;
  position: relative;
  overflow-x: hidden;
  /* 羊皮紙テクスチャ風の背景 */
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(200, 180, 140, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(200, 180, 140, 0.1) 0%, transparent 50%);
}

a {
  color: var(--color-ocean);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-gold-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ページ全体のラッパー — iOS Safariでの横はみ出し防止 */
.site {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

/* ========================================
   タイポグラフィ
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-deep-sea);
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* ========================================
   サイトヘッダー（船橋・ブリッジ）
   ======================================== */
.site-header {
  background: linear-gradient(135deg, var(--color-deep-sea) 0%, var(--color-navy) 50%, var(--color-ocean) 100%);
  color: #fff;
  padding: 0;
}

.header-inner {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 2rem var(--gap) 2rem;
}

/* コンパスローズ装飾 */
.site-branding {
  text-align: center;
  padding: 1rem 0;
}

.compass-icon {
  display: inline-block;
  width: 60px;
  height: 60px;
  margin-bottom: 0.5rem;
  animation: compass-spin 20s linear infinite;
}

@keyframes compass-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.site-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  margin: 0;
  letter-spacing: 0.05em;
}

.site-title a {
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.site-title a:hover {
  color: var(--color-gold);
}

.site-description {
  font-family: var(--font-log);
  color: var(--color-wave);
  font-size: 1rem;
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
}

/* 記事詳細ページ：コンパクトヘッダー */
.single .header-inner {
  padding: 0.8rem var(--gap);
}

.single .site-branding {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.3rem 0;
  text-align: left;
}

.single .compass-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 0;
}

.single .site-title {
  font-size: 1.6rem;
}

.single .site-description {
  display: none;
}

/* ========================================
   ナビゲーション（航路図）
   ======================================== */
.main-navigation {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.main-navigation ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* サブメニュー */
.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-deep-sea);
  min-width: 200px;
  z-index: 100;
  flex-direction: column;
  border-top: 2px solid var(--color-gold);
}

.main-navigation li:hover > .sub-menu {
  display: flex;
}

/* モバイルメニュートグル */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  margin: 0 auto;
  letter-spacing: 0.1em;
}

/* ========================================
   メインコンテンツ
   ======================================== */
.site-content {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: var(--gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: calc(var(--gap) * 2);
}

.site-content.no-sidebar {
  grid-template-columns: 1fr;
  max-width: var(--content-width);
}

.content-area {
  min-width: 0;
}

/* ========================================
   記事カード（航海日誌エントリ）
   ======================================== */
.log-entry {
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  margin-bottom: var(--gap);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
}

.log-entry:hover {
  box-shadow: 0 4px 20px rgba(11, 29, 58, 0.15);
  transform: translateY(-2px);
}

/* 上部のゴールドライン */
.log-entry::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gold);
}

.log-entry-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.log-entry-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.log-entry:hover .log-entry-thumbnail img {
  transform: scale(1.05);
}

.log-entry-body {
  padding: 1.5rem;
}

/* 航海日時メタ */
.log-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-log);
  font-size: 0.8rem;
  color: var(--color-ink-faded);
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.log-meta-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.log-meta-item svg {
  width: 14px;
  height: 14px;
  fill: var(--color-gold);
}

.log-entry-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.log-entry-title a {
  color: var(--color-deep-sea);
}

.log-entry-title a:hover {
  color: var(--color-ocean);
}

.log-entry-excerpt {
  color: var(--color-ink-light);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-ocean);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.read-more-link:hover {
  color: var(--color-gold-dark);
  border-bottom-color: var(--color-gold-dark);
}

.read-more-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.read-more-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   個別記事（航海日誌の1ページ）
   ======================================== */
.single-log-entry {
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  padding: 2.5rem;
  box-shadow: 0 2px 12px rgba(11, 29, 58, 0.08);
  position: relative;
}

.single-log-entry::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gold);
}

.single-log-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-parchment-dark);
}

.single-log-header .log-entry-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

/* 罫線区切り装飾 */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
  color: var(--color-gold);
}

.ornament-divider::before,
.ornament-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-gold), transparent);
}

/* 記事コンテンツ */
.entry-content {
  font-size: 1.05rem;
  line-height: 2;
}

.entry-content p {
  margin-bottom: 1.5em;
}

.entry-content h2 {
  margin-top: 2em;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--color-wave);
}

.entry-content h3 {
  margin-top: 1.5em;
}

.entry-content blockquote {
  border-left: 4px solid var(--color-gold);
  background: var(--color-parchment);
  padding: 1rem 1.5rem;
  margin: 1.5em 0;
  font-family: var(--font-log);
  font-style: italic;
  color: var(--color-ink-light);
}

.entry-content pre {
  background: var(--color-deep-sea);
  color: var(--color-wave);
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--font-log);
  font-size: 0.9rem;
  line-height: 1.6;
}

.entry-content code {
  font-family: var(--font-log);
  background: var(--color-parchment-dark);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

.entry-content ul,
.entry-content ol {
  margin: 1em 0 1.5em 1.5em;
}

.entry-content li {
  margin-bottom: 0.3em;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.entry-content th,
.entry-content td {
  border: 1px solid var(--color-parchment-dark);
  padding: 0.6rem 1rem;
  text-align: left;
}

.entry-content th {
  background: var(--color-navy);
  color: #fff;
  font-family: var(--font-heading);
}

.entry-content img {
  border-radius: 4px;
  margin: 1em 0;
}

/* ========================================
   サイドバー（航海計器パネル）
   ======================================== */
.site-sidebar {
  position: sticky;
  top: var(--gap);
  align-self: start;
  min-width: 0;
}

.widget {
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: var(--gap);
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.05);
  position: relative;
}

.widget::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-ocean);
}

.widget-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-deep-sea);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed var(--color-parchment-dark);
  letter-spacing: 0.05em;
}

.widget ul {
  list-style: none;
}

.widget li {
  padding: 0.4rem 0;
  border-bottom: 1px dotted var(--color-parchment-dark);
}

.widget li:last-child {
  border-bottom: none;
}

.widget a {
  color: var(--color-ink-light);
  font-size: 0.9rem;
}

.widget a:hover {
  color: var(--color-ocean);
}

/* ========================================
   ページネーション（航路）
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: var(--gap) 0;
  font-family: var(--font-log);
}

.pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  color: var(--color-ink-light);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-navy);
  color: #fff;
  border-color: var(--color-navy);
}

.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--color-parchment-dark);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  background: var(--color-parchment);
  padding: 1rem;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.post-navigation .nav-next {
  text-align: right;
}

.post-navigation a:hover {
  color: var(--color-gold-dark);
}

.post-navigation .nav-label {
  display: block;
  font-family: var(--font-log);
  font-size: 0.75rem;
  color: var(--color-ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

/* ========================================
   コメント（航海仲間の声）
   ======================================== */
.comments-area {
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  padding: 2rem;
  margin-top: var(--gap);
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.05);
}

.comments-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-wave);
}

.comment-list {
  list-style: none;
}

.comment {
  padding: 1.5rem 0;
  border-bottom: 1px dashed var(--color-parchment-dark);
}

.comment:last-child {
  border-bottom: none;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.comment-meta .avatar {
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  width: 40px;
  height: 40px;
}

.comment-author {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-deep-sea);
}

.comment-date {
  font-family: var(--font-log);
  font-size: 0.8rem;
  color: var(--color-ink-faded);
}

.comment-body p {
  margin-bottom: 0.5em;
}

.comment .children {
  list-style: none;
  margin-left: 2rem;
  border-left: 2px solid var(--color-wave);
  padding-left: 1.5rem;
}

/* コメントフォーム */
.comment-respond {
  margin-top: 2rem;
}

.comment-form label {
  display: block;
  font-family: var(--font-log);
  font-size: 0.85rem;
  color: var(--color-ink-light);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  background: var(--color-parchment);
  transition: border-color 0.3s ease;
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-ocean);
  background: #fff;
}

.comment-form .form-submit input {
  background: var(--color-navy);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.comment-form .form-submit input:hover {
  background: var(--color-ocean);
}

/* ========================================
   フッター（船尾）
   ======================================== */
.site-footer {
  background: linear-gradient(180deg, var(--color-deep-sea) 0%, #060f1f 100%);
  color: rgba(255, 255, 255, 0.7);
  margin-top: calc(var(--gap) * 2);
  position: relative;
}

.footer-inner {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 3rem var(--gap) 1.5rem;
}

.footer-widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--gap);
  margin-bottom: 2rem;
}

.footer-widgets .widget {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.footer-widgets .widget::before {
  display: none;
}

.footer-widgets .widget-title {
  color: var(--color-gold);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.footer-widgets .widget a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-widgets .widget a:hover {
  color: var(--color-gold);
}

.footer-widgets .widget li {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.site-info {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-log);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.site-info a {
  color: var(--color-gold);
}

/* 星の装飾 */
.stars {
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 30%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 70%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 80%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 15%, rgba(255,255,255,0.3) 0%, transparent 100%);
}

/* ========================================
   検索フォーム
   ======================================== */
.search-form {
  display: flex;
  gap: 0;
}

.search-form .search-field {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-parchment-dark);
  border-right: none;
  border-radius: 4px 0 0 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--color-parchment);
}

.search-form .search-field:focus {
  outline: none;
  border-color: var(--color-ocean);
  background: #fff;
}

.search-form .search-submit {
  background: var(--color-navy);
  color: #fff;
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.3s ease;
}

.search-form .search-submit:hover {
  background: var(--color-ocean);
}

/* ========================================
   404ページ & 検索結果
   ======================================== */
.error-404-content,
.search-results-header {
  text-align: center;
  padding: 3rem;
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
}

.error-404-content h1 {
  font-size: 5rem;
  color: var(--color-gold);
  margin-bottom: 0;
}

.error-404-content p {
  color: var(--color-ink-light);
  margin: 1rem 0 2rem;
}

/* ========================================
   アーカイブヘッダー
   ======================================== */
.archive-header {
  background: #fff;
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  margin-bottom: var(--gap);
  text-align: center;
  position: relative;
}

.archive-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-ocean);
}

.archive-title {
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
}

.archive-description {
  color: var(--color-ink-light);
  font-size: 0.95rem;
}

/* ========================================
   航海記録（ACFフィールド表示）
   ======================================== */
.voyage-record {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  background: var(--color-parchment);
  border: 1px solid var(--color-parchment-dark);
  border-radius: 4px;
  padding: 1.2rem 1.5rem;
  margin-bottom: 2rem;
}

.voyage-record-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
}

.voyage-record-label {
  font-family: var(--font-log);
  font-size: 0.7rem;
  color: var(--color-ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.voyage-record-value {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-deep-sea);
  font-weight: 600;
}

.weather-icon {
  width: 32px;
  height: 32px;
}

/* ========================================
   カテゴリ・タグ（航海エリア）
   ======================================== */
/* ========================================
   GPX軌跡マップ
   ======================================== */
.gpx-map {
  position: relative;
  width: 100%;
  height: 400px;
  margin-bottom: 2rem;
  border-radius: 4px;
  border: 1px solid var(--color-parchment-dark);
}

/* 地図操作ガイドオーバーレイ */
.gpx-map-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 0.9rem;
  font-family: var(--font-body);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1000;
  border-radius: 4px;
}

.gpx-map-overlay.is-visible {
  opacity: 1;
}

.log-meta-item.entry-categories {
  margin-top: 0;
  gap: 0.4rem;
}

.entry-categories,
.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.entry-categories a,
.entry-tags a {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  font-size: 0.75rem;
  font-family: var(--font-log);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.entry-categories a {
  background: var(--color-wave);
  color: var(--color-ocean);
}

.entry-categories a:hover {
  background: var(--color-ocean);
  color: #fff;
}

.entry-tags a {
  background: var(--color-parchment-dark);
  color: var(--color-ink-faded);
}

.entry-tags a:hover {
  background: var(--color-gold);
  color: #fff;
}

/* ========================================
   アクセシビリティ
   ======================================== */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: #f1f1f1;
  border-radius: 3px;
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  clip: auto !important;
  color: #21759b;
  display: block;
  font-size: 0.875rem;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

/* ========================================
   レスポンシブ
   ======================================== */
@media (max-width: 900px) {
  .site-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --gap: 1.2rem;
  }

  .site-title {
    font-size: 2rem;
  }

  .menu-toggle {
    display: block;
  }

  .main-navigation ul {
    display: none;
    flex-direction: column;
    text-align: center;
  }

  .main-navigation.toggled ul {
    display: flex;
  }

  .main-navigation .sub-menu {
    position: static;
    min-width: auto;
  }

  .single-log-entry {
    padding: 1.5rem;
  }

  .single-log-header .log-entry-title {
    font-size: 1.6rem;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .entry-content > .alignfull,
  .entry-content > .alignwide {
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    max-width: calc(100% + 3rem);
    width: auto;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .site-title {
    font-size: 1.6rem;
  }

  .log-entry-body {
    padding: 1rem;
  }

  .single-log-entry {
    padding: 1.2rem;
  }

  .footer-widgets {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   WordPress アライメント
   ======================================== */
.alignleft {
  float: left;
  margin-right: 1.5em;
  margin-bottom: 1em;
}

.alignright {
  float: right;
  margin-left: 1.5em;
  margin-bottom: 1em;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1em;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-family: var(--font-log);
  font-size: 0.85rem;
  color: var(--color-ink-faded);
  text-align: center;
  padding: 0.5rem 0;
}

/* Gutenberg ブロック幅 */
.entry-content > .alignwide {
  margin-left: -2rem;
  margin-right: -2rem;
  max-width: calc(100% + 4rem);
}

.entry-content > .alignfull {
  margin-left: calc(-2.5rem - var(--gap));
  margin-right: calc(-2.5rem - var(--gap));
  max-width: none;
  width: auto;
}