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║                     Deliv.win Good Guide Project
║
║   File:       style.css
║   Project:    Deliv.win Good Guide Project
║   Author:     Deliv.win Good Guide Project
║   Version:    1.0.0
║   Updated:    2025-12-14
║   Description: Deliv.win Good Guide Project のメインスタイルシート
║
╚══════════════════════════════════════════════════════════════════════════════╝
*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  line-height: 1.7;
  color: #333;
  background-color: #fff;
  border: 1px solid #000000;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-header {
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.sticky-title {
  position: sticky;
  top: 80px;
  left: 0;
  right: 0;
  background-color: #06c167;
  border-bottom: 1px solid #e5e5e5;
  padding: 0;
  height: 0;
  overflow: visible;
  z-index: 99;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.sticky-title.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  padding: 15px 20px;
  height: auto;
}
.sticky-title .sticky-title-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
  line-height: 1.4;
}
.header-top {
  padding: 15px 0;
  background-color: #fff;
}
.header-top-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #333;
  text-decoration: none;
  letter-spacing: 0.05em;
}
.search-form {
  display: flex;
}
.search-input {
  padding: 8px 15px;
  border: 1px solid #ddd;
  border-radius: 25px;
  font-size: 0.9rem;
  width: 200px;
  outline: none;
}
.search-input:focus {
  border-color: #999;
}
.main-nav {
  background-color: #f8f8f8;
  border-top: 1px solid #e5e5e5;
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
  flex-wrap: wrap;
}
.nav-menu li {
  border-right: 1px solid #e5e5e5;
}
.nav-menu li:last-child {
  border-right: none;
}
.nav-menu li.nav-item-active {
  background-color: #fff;
  border-bottom: 3px solid #06C167;
}
.nav-menu a {
  display: block;
  padding: 15px 20px;
  color: #333;
  text-decoration: none;
  font-size: 0.95rem;
  transition: background-color 0.3s;
}
.nav-menu a:hover {
  background-color: #fff;
}
.nav-menu a.nav-link-active {
  color: #06C167;
  font-weight: bold;
}
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #019e90 0%, #051e0e 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  margin-bottom: 60px;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  z-index: 0;
}
.hero-map {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-map .leaflet-tile-container,
.hero-map .leaflet-pane,
.hero-map .leaflet-map-pane {
  background-color: transparent !important;
  background: transparent !important;
}
.hero-map .custom-marker {
  background: transparent;
  border: none;
}
.hero-map.leaflet-container {
  height: 100%;
  width: 100%;
  background-color: transparent !important;
  background: transparent !important;
}
.hero-section .container {
  position: relative;
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}
.hero-title {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.4;
}
.hero-description {
  font-size: 1.2rem;
  margin-bottom: 15px;
  opacity: 0.95;
}
.hero-subtitle {
  font-size: 1rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}
.main-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  margin-bottom: 60px;
}
.content-area {
  min-width: 0;
}
.section {
  margin-bottom: 60px;
}
.section-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 30px;
  color: #333;
  border-bottom: 3px solid #06C167;
  padding-bottom: 10px;
}
.section-subtitle {
  font-size: 0.9rem;
  font-weight: normal;
  color: #666;
  display: block;
  margin-top: 5px;
}
.section-footer {
  text-align: center;
  margin-top: 30px;
}
.more-link {
  display: inline-block;
  padding: 12px 30px;
  background-color: #06C167;
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
  transition: background-color 0.3s;
}
.more-link:hover {
  background-color: #05A855;
}
.category-shortcuts {
  margin-bottom: 40px;
}
.shortcut-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 30px;
  background: linear-gradient(135deg, #1ED760 0%, #036B3F 100%);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(6, 193, 103, 0.3);
}
.shortcut-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 25px 20px;
  background-color: #fff;
  border-radius: 10px;
  text-decoration: none;
  color: #333;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.shortcut-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  background-color: #f8f9ff;
}
.shortcut-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}
.shortcut-label {
  font-size: 1rem;
  font-weight: bold;
  text-align: center;
  line-height: 1.4;
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}
.post-card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s;
  transition: box-shadow 0.3s;
}
.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.post-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: #f5f5f5;
}
.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-content {
  padding: 20px;
}
.post-title {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.5;
}
.post-title a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}
.post-title a:hover {
  color: #05A855;
}
.post-title a:hover {
  color: #06C167;
}
.post-date {
  display: block;
  color: #999;
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.post-categories {
  margin-bottom: 10px;
}
.category-tag {
  display: inline-block;
  padding: 4px 12px;
  margin-right: 8px;
  margin-bottom: 8px;
  background-color: #f0f0f0;
  color: #666;
  border-radius: 15px;
  font-size: 0.85rem;
}
.post-excerpt {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}
.article-list {
  list-style: none;
}
.article-item {
  padding: 20px 0;
  border-bottom: 1px solid #e5e5e5;
}
.article-item:first-child {
  padding-top: 0;
}
.article-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.85rem;
}
.article-category {
  background-color: #06C167;
  color: #fff;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.85rem;
}
.article-date {
  color: #999;
}
.article-title {
  font-size: 1.1rem;
  font-weight: normal;
  line-height: 1.6;
}
.article-title a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}
.article-title a:hover {
  color: #05A855;
}
.article-title a:hover {
  color: #06C167;
}
article {
  max-width: 800px;
  margin: 0 auto;
}
article header {
  background-color: transparent;
  color: #333;
  padding: 0;
  margin-bottom: 40px;
}
article header h1 {
  font-size: 2rem;
  margin-bottom: 15px;
  color: #333;
  line-height: 1.4;
}
.content {
  line-height: 1.9;
  font-size: 1rem;
}
.content p {
  margin-bottom: 1.5rem;
}
.content h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 20px;
  color: #333;
  border-bottom: 2px solid #06C167;
  padding-bottom: 10px;
}
.content h3 {
  font-size: 1.3rem;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #333;
}
.content ul,
.content ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}
.content li {
  margin-bottom: 0.5rem;
}
.content a {
  color: #06C167;
  text-decoration: underline;
}
.content a:hover {
  color: #05A855;
}
.content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 20px 0;
}
.content .content-inline-tip {
  display: block;
  max-width: 100%;
  margin: 15px 0;
  padding: 8px 15px;
  border-left: 3px solid #06C167;
  background-color: #f8f8f8;
  border-radius: 8px;
  color: #333;
  font-weight: 600;
}
.category-page {
  max-width: 900px;
  margin: 0 auto;
  padding-top: 20px;
  padding-bottom: 40px;
  padding-left: 20px;
  padding-right: 20px;
}
.category-title {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 30px;
  color: #333;
  border-bottom: 3px solid #06C167;
  padding-bottom: 15px;
}
.category-description {
  background-color: #f8f9ff;
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 40px;
  border-left: 4px solid #06C167;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #555;
}
.category-description p {
  margin-bottom: 15px;
}
.category-description p:last-child {
  margin-bottom: 0;
}
.category-posts {
  margin-top: 40px;
}
.posts-section-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 30px;
  color: #333;
}
.post-item {
  padding: 25px;
  background-color: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  margin-bottom: 20px;
  transition: box-shadow 0.3s;
  transition: transform 0.3s;
}
.post-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}
.post-item-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 12px;
}
.post-item-title a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}
.post-item-title a:hover {
  color: #05A855;
}
.post-item-title a:hover {
  color: #06C167;
}
.post-item-date {
  display: block;
  color: #999;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.post-item-categories {
  margin-bottom: 12px;
}
.post-item-summary {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 12px;
}
.post-list {
  list-style: none;
  margin-top: 30px;
}
.post-list li {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e5e5e5;
}
.post-list li:last-child {
  border-bottom: none;
}
.post-list article h2,
.post-list article h3 {
  margin-bottom: 10px;
}
.post-list article h2 a,
.post-list article h3 a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}
.post-list article h2 a:hover,
.post-list article h3 a:hover {
  color: #05A855;
}
.post-list article h2 a:hover,
.post-list article h3 a:hover {
  color: #06C167;
}
time {
  display: block;
  color: #999;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.categories,
.tags {
  margin: 10px 0;
}
.category,
.tag {
  display: inline-block;
  padding: 4px 12px;
  margin-right: 8px;
  margin-bottom: 8px;
  background-color: #f0f0f0;
  color: #666;
  border-radius: 15px;
  font-size: 0.85rem;
}
.tag {
  background-color: #e8f4f8;
}
.breadcrumb {
  max-width: 800px;
  margin: 20px 0 15px;
  padding: 0;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}
.breadcrumb-item {
  display: flex;
  align-items: center;
  color: #666;
}
.breadcrumb-item:not(:last-child) {
  margin-right: 8px;
}
.breadcrumb-item a {
  color: #06C167;
  text-decoration: none;
  transition: color 0.3s;
}
.breadcrumb-item a:hover {
  color: #05A855;
}
.breadcrumb-separator {
  margin: 0 8px;
  color: #999;
}
.breadcrumb-current {
  color: #333;
  font-weight: 500;
}
.breadcrumb-current .breadcrumb-separator {
  color: #999;
}
.navigation-tree {
  background: #f8f8f8;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.navigation-tree-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 20px;
  color: #333;
  border-bottom: 2px solid #06C167;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
}
.navigation-tree-title::before {
  content: "🗂️";
  margin-right: 15px;
  font-size: 1.2rem;
}
.navigation-tree-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.navigation-tree-item {
  margin-bottom: 8px;
}
.navigation-tree-item:last-child {
  margin-bottom: 0;
}
.navigation-tree-item:not(:last-child) {
  border-bottom: 1px solid transparent;
}
.navigation-tree-link {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  padding-left: 55px;
  position: relative;
  color: #333;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s;
  transition: color 0.3s;
}
.navigation-tree-link:hover {
  background-color: #06C167;
  color: #fff;
}
.navigation-tree-link.navigation-tree-link-active {
  background-color: #06C167;
  color: #fff;
  font-weight: 600;
}
.navigation-tree-link.navigation-tree-link-active .navigation-tree-icon {
  opacity: 1;
}
.navigation-tree-link.navigation-tree-link-active .navigation-tree-text {
  font-weight: bold;
}
.navigation-tree-text {
  flex: 1;
  text-align: left;
  text-decoration: none;
}
.navigation-tree-active .navigation-tree-link {
  background-color: #06C167;
  color: #fff;
  font-weight: 600;
}
.navigation-tree-active .navigation-tree-link .navigation-tree-text {
  font-weight: bold;
}
.navigation-tree-icon {
  position: absolute;
  left: 20px;
  font-size: 1.1rem;
  display: inline-block;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity 0.3s;
}
.navigation-tree-link:hover .navigation-tree-icon,
.navigation-tree-link-active .navigation-tree-icon {
  opacity: 1;
}
.navigation-tree-parent .navigation-tree-link {
  font-weight: 500;
  padding-left: 55px;
}
.navigation-tree-level-1 .navigation-tree-link {
  padding-left: 55px;
}
.navigation-tree-level-2 .navigation-tree-link {
  padding-left: 85px;
}
.navigation-tree-level-2 .navigation-tree-icon {
  left: 50px;
}
.navigation-tree-level-3 .navigation-tree-link {
  padding-left: 95px;
}
.navigation-tree-level-3 .navigation-tree-icon {
  left: 60px;
}
.navigation-tree-page .navigation-tree-link {
  font-size: 0.85rem;
}
.navigation-tree-count {
  margin-left: auto;
  font-size: 0.85rem;
  color: #666;
  font-weight: normal;
}
.navigation-tree-link:hover .navigation-tree-count {
  color: #fff;
}
.navigation-tree-accordion .navigation-tree-toggle {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 15px 20px;
  padding-left: 55px;
  position: relative;
  margin: 0;
  display: flex;
  align-items: center;
  color: #333;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s;
  transition: color 0.3s;
}
.navigation-tree-accordion .navigation-tree-toggle:hover {
  background-color: #06C167;
  color: #fff;
}
.navigation-tree-accordion .navigation-tree-toggle:focus {
  outline: 2px solid #06C167;
  outline-offset: 2px;
  border-radius: 8px;
}
.navigation-tree-accordion .navigation-tree-toggle .navigation-tree-icon {
  position: absolute;
  left: 20px;
  flex-shrink: 0;
}
.navigation-tree-accordion .navigation-tree-toggle .navigation-tree-text {
  flex: 1;
  text-align: left;
}
.navigation-tree-accordion .navigation-tree-toggle .accordion-icon {
  font-size: 0.8rem;
  transition: transform 0.3s;
  display: inline-block;
  margin-left: 15px;
  flex-shrink: 0;
}
.navigation-tree-accordion .navigation-tree-toggle[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}
.navigation-tree-accordion .navigation-tree-level-2 .navigation-tree-toggle {
  padding-left: 85px;
}
.navigation-tree-accordion .navigation-tree-level-2 .navigation-tree-toggle .navigation-tree-icon {
  left: 50px;
}
.navigation-tree-accordion .navigation-tree-level-3 .navigation-tree-toggle {
  padding-left: 95px;
}
.navigation-tree-accordion .navigation-tree-level-3 .navigation-tree-toggle .navigation-tree-icon {
  left: 60px;
}
.navigation-tree-accordion .navigation-tree-children {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out, margin-top 0.3s ease-out, background-color 0.3s ease-out, padding 0.3s ease-out;
  margin-top: 0;
  background-color: transparent;
  border-radius: 8px;
  border-left: 3px solid transparent;
}
.navigation-tree-accordion .navigation-tree-toggle[aria-expanded="true"] + .navigation-tree-children {
  margin-top: 8px;
  max-height: 2000px;
  opacity: 1;
  background-color: #f5f5f5;
  padding: 8px 0 8px 15px;
  border-left: 3px solid #06C167;
  box-shadow: inset 2px 0 4px rgba(102, 126, 234, 0.1);
}
.navigation-tree-section-index .navigation-tree-link {
  font-size: 0.85rem;
  font-weight: 500;
  border-left: 2px solid transparent;
  padding-left: 55px;
}
.navigation-tree-section-index .navigation-tree-link:hover {
  border-left-color: #06C167;
}
.navigation-tree-section-index .navigation-tree-link.navigation-tree-link-active {
  border-left-color: #06C167;
  background-color: #06C167;
  color: #fff;
}
.navigation-tree-section-index .navigation-tree-link.navigation-tree-link-active .navigation-tree-text {
  font-weight: bold;
}
.navigation-tree-section-index .navigation-tree-icon {
  opacity: 0.9;
}
.navigation-tree-section-index.navigation-tree-level-2 .navigation-tree-link {
  padding-left: 85px;
}
.navigation-tree-section-index.navigation-tree-level-2 .navigation-tree-icon {
  left: 50px;
}
.navigation-tree-section-index.navigation-tree-level-3 .navigation-tree-link {
  padding-left: 95px;
}
.navigation-tree-section-index.navigation-tree-level-3 .navigation-tree-icon {
  left: 60px;
}
.navigation-tree-section-index .navigation-tree-children[hidden] {
  display: block !important;
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  background-color: transparent;
}
.sidebar-widget {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 30px;
}
.widget-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 20px;
  color: #333;
  border-bottom: 2px solid #06C167;
  padding-bottom: 10px;
}
.widget-title-toggle {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 0;
  margin-bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
  border-bottom: 2px solid #06C167;
  padding-bottom: 10px;
  transition: color 0.3s;
}
.widget-title-toggle:hover {
  color: #06C167;
}
.widget-title-toggle:focus {
  outline: 2px solid #06C167;
  outline-offset: 2px;
  border-radius: 4px;
}
.widget-title-toggle .accordion-icon {
  font-size: 0.8rem;
  transition: transform 0.3s;
  display: inline-block;
  margin-left: 15px;
}
.widget-title-toggle[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}
.sidebar-widget-accordion .tag-cloud {
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out, margin-top 0.3s ease-out;
}
.sidebar-widget-accordion .widget-title-toggle[aria-expanded="true"] + .tag-cloud {
  margin-top: 20px;
  max-height: 1000px;
  opacity: 1;
}
.sidebar-widget-accordion .tag-cloud[hidden] {
  display: block !important;
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}
.category-list {
  list-style: none;
}
.category-list li {
  margin-bottom: 10px;
}
.category-list a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
  display: flex;
  justify-content: space-between;
}
.category-list a:hover {
  color: #05A855;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-link {
  display: inline-block;
  padding: 6px 12px;
  background-color: #f0f0f0;
  color: #666;
  text-decoration: none;
  border-radius: 15px;
  font-size: 0.85rem;
  transition: background-color 0.3s;
  transition: color 0.3s;
}
.tag-link:hover {
  background-color: #06C167;
  color: #fff;
}
.sidebar-ad {
  padding: 0;
  overflow: hidden;
}
.ad-container {
  width: 100%;
  text-align: center;
}
.ad-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}
.date-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.date-info-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid #e5e5e5;
}
.date-info-item:last-child {
  border-bottom: none;
}
.date-info-label {
  font-weight: 500;
  color: #333;
  margin: 0;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-right: 15px;
}
.date-info-value {
  margin: 0;
  color: #666;
  font-size: 0.85rem;
  text-align: right;
  flex: 1;
  word-break: break-all;
}
.date-info-value time {
  display: inline-block;
}
.date-info-value code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
  font-size: 0.85em;
  color: #666;
  background-color: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
  word-break: break-all;
}
.sidebar-content-tree {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  box-shadow: none;
}
.sidebar-content-tree .navigation-tree-list {
  margin: 0;
}
.sidebar-content-tree .navigation-tree-item {
  margin-bottom: 4px;
}
.sidebar-content-tree .navigation-tree-link {
  padding: 6px 15px;
  padding-left: 46px;
  font-size: 0.85rem;
}
.sidebar-content-tree .navigation-tree-level-1 .navigation-tree-link {
  padding-left: 46px;
}
.sidebar-content-tree .navigation-tree-level-2 .navigation-tree-link {
  padding-left: 66px;
}
.sidebar-content-tree .navigation-tree-level-2 .navigation-tree-icon {
  left: 40px;
}
.sidebar-content-tree .navigation-tree-icon {
  left: 20px;
  font-size: 0.9rem;
}
.sidebar-content-tree .navigation-tree-accordion .navigation-tree-toggle {
  padding: 6px 15px;
  padding-left: 46px;
  font-size: 0.85rem;
}
.sidebar-content-tree .navigation-tree-accordion .navigation-tree-level-2 .navigation-tree-toggle {
  padding-left: 66px;
}
.sidebar-content-tree .navigation-tree-accordion .navigation-tree-level-2 .navigation-tree-toggle .navigation-tree-icon {
  left: 40px;
}
.sidebar-content-tree .navigation-tree-children {
  padding-left: 4px;
}
.sidebar-content-tree .navigation-tree-toggle[aria-expanded="true"] + .navigation-tree-children {
  padding: 4px 0 4px 15px;
}
.sidebar-toc .toc-content {
  font-size: 0.85rem;
  line-height: 1.8;
}
.sidebar-toc .toc-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  padding-left: 15px;
}
.sidebar-toc .toc-content ul li {
  margin-bottom: 2px;
}
.sidebar-toc .toc-content ul li a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
  display: block;
  padding: 2px 0;
}
.sidebar-toc .toc-content ul li a:hover {
  color: #06C167;
}
.sidebar-toc .toc-content ul ul {
  padding-left: 20px;
  margin-top: 2px;
  margin-bottom: 2px;
  border-left: 2px solid #e5e5e5;
  padding-left: 15px;
}
.sidebar-toc .toc-content ul ul ul {
  padding-left: 15px;
  border-left: none;
}
.sidebar-toc .toc-content > ul {
  padding-left: 0;
}
.site-footer {
  background-color: #2c3e50;
  color: #fff;
  padding: 60px 0 20px;
  margin-top: 80px;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-section h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #fff;
}
.footer-section p {
  color: #ccc;
  line-height: 1.8;
}
.footer-menu {
  list-style: none;
}
.footer-menu li {
  margin-bottom: 10px;
}
.footer-menu a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-menu a:hover {
  color: #fff;
}
.social-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}
.social-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}
.social-links a:hover {
  color: #fff;
}
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #34495e;
  color: #999;
  font-size: 0.9rem;
}
.content-notice {
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
  border-left: 1px solid #d0d0d0;
  border-radius: 10px;
  margin-top: 20px;
  margin-bottom: 20px;
  overflow: hidden;
}
.content-notice-header {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 30px;
  min-height: 30px;
}
.content-notice-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 15px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  border-radius: 8px;
  transition: background-color 0.3s;
  flex-shrink: 0;
}
.content-notice-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}
.content-notice-toggle:active {
  background-color: rgba(0, 0, 0, 0.1);
}
.content-notice-toggle:focus {
  outline: 2px solid #06C167;
  outline-offset: 2px;
}
.content-notice-icon {
  font-size: 0.9rem;
  flex-shrink: 0;
  line-height: 1.2;
}
.content-notice-title {
  font-size: 0.7rem;
  font-weight: bold;
  margin: 0;
  color: #666;
  flex: 1;
}
.content-notice-accordion-icon {
  font-size: 0.9rem;
  transition: transform 0.3s;
  display: inline-block;
  flex-shrink: 0;
  color: #666;
  line-height: 1;
}
.content-notice-toggle[aria-expanded="true"] .content-notice-accordion-icon {
  transform: rotate(180deg);
}
.content-notice-content {
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out, padding 0.3s ease-out;
  max-height: 1000px;
  opacity: 1;
  padding: 0 20px 20px;
}
.content-notice.is-expanded .content-notice-content {
  max-height: 1000px;
  opacity: 1;
  padding: 0 20px 20px;
}
.content-notice.is-collapsed .content-notice-content {
  max-height: 0;
  opacity: 0;
  padding: 0 20px;
}
.content-notice-content[hidden] {
  display: block !important;
  max-height: 0;
  opacity: 0;
  padding: 0 20px;
}
.content-notice-text {
  font-size: 0.7rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 8px;
}
.content-notice-text:last-child {
  margin-bottom: 0;
}
.article-footer {
  margin-top: 40px;
  margin-bottom: 30px;
  padding-top: 30px;
  border-top: 1px solid #e5e5e5;
}
.article-footer-navigation {
  display: flex;
  align-items: stretch;
  gap: 30px;
  margin-bottom: 30px;
}
@media (max-width: 768px) {
  .article-footer-navigation {
    flex-direction: column;
    align-items: stretch;
  }
}
.article-footer-nav-primary {
  flex: 0 0 20%;
  max-width: 20%;
  border: none;
  box-shadow: inset -14px 0 8px -18px rgba(0, 0, 0, 0.7);
}
.article-footer-nav-secondary {
  flex: 1;
  max-width: 70%;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.article-footer-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 15px 20px;
  text-decoration: none;
  color: #333;
  font-size: 0.85rem;
  transition: color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  border: none;
}
.article-footer-nav-link:hover {
  color: #06C167;
}
.article-footer-nav-link.article-footer-nav-disabled {
  color: #999;
  cursor: default;
  pointer-events: none;
}
.article-footer-nav-icon {
  font-size: 1rem;
  opacity: 0.7;
  flex-shrink: 0;
}
.article-footer-nav-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-footer-nav-label {
  color: #bbb;
  font-size: 0.85rem;
}
.article-footer-nav-section {
  color: #979595;
  font-size: 12px;
  display: block;
  margin-bottom: 2px;
}
.article-footer-nav-direction {
  display: block;
  font-size: 11px;
  color: #999;
  margin-bottom: 2px;
}
.article-footer-nav-prev-wrapper {
  text-align: left;
}
.article-footer-nav-prev {
  flex: 1;
  min-width: 0;
}
@media (max-width: 768px) {
  .article-footer-nav-prev {
    flex: none;
  }
}
.article-footer-nav-parent {
  flex: 0 0 auto;
  font-weight: 500;
  padding-left: 20px;
  padding-right: 20px;
}
@media (max-width: 768px) {
  .article-footer-nav-parent {
    padding-top: 15px;
    padding-bottom: 15px;
  }
}
.article-footer-nav-next {
  flex: 1;
  min-width: 0;
  justify-content: flex-end;
}
@media (max-width: 768px) {
  .article-footer-nav-next {
    flex: none;
    justify-content: flex-start;
  }
}
.article-footer-nav-next-wrapper {
  text-align: right;
}
@media (max-width: 768px) {
  .article-footer-nav-primary,
  .article-footer-nav-secondary {
    flex: none;
    max-width: 100%;
  }
  .article-footer-nav-secondary {
    flex-direction: column;
    gap: 15px;
  }
}
.error-page {
  text-align: center;
  padding: 60px 0;
}
.maintenance-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fff 0%, #f8f8f8 100%);
  padding: 40px;
}
.maintenance-content {
  max-width: 600px;
  width: 100%;
  text-align: center;
  background-color: #fff;
  padding: 60px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.maintenance-content .maintenance-icon {
  font-size: 5rem;
  margin-bottom: 30px;
  line-height: 1;
}
.maintenance-content h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #06C167;
  margin-bottom: 20px;
  line-height: 1.2;
}
.maintenance-content .maintenance-message {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 20px;
  font-weight: 500;
}
.maintenance-content .maintenance-description {
  font-size: 1rem;
  color: #666;
  margin-bottom: 40px;
  line-height: 1.8;
}
.maintenance-content .maintenance-info {
  background-color: #f8f8f8;
  padding: 30px;
  border-radius: 10px;
  margin-bottom: 40px;
  text-align: left;
}
.maintenance-content .maintenance-info p {
  font-size: 0.95rem;
  color: #333;
  margin-bottom: 8px;
}
.maintenance-content .maintenance-info p:last-child {
  margin-bottom: 0;
}
.maintenance-content .maintenance-info p strong {
  color: #333;
  font-weight: 600;
  margin-right: 8px;
}
.maintenance-content .maintenance-contact {
  padding-top: 30px;
  border-top: 1px solid #e5e5e5;
}
.maintenance-content .maintenance-contact p {
  font-size: 0.95rem;
  color: #666;
  margin: 0;
}
.maintenance-content .maintenance-contact p a {
  color: #06C167;
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}
.maintenance-content .maintenance-contact p a:hover {
  color: #05A855;
}
@media (max-width: 968px) {
  .maintenance-container {
    padding: 20px;
  }
  .maintenance-content {
    padding: 40px 30px;
  }
  .maintenance-content .maintenance-icon {
    font-size: 4rem;
  }
  .maintenance-content h1 {
    font-size: 2rem;
  }
  .maintenance-content .maintenance-message {
    font-size: 1.1rem;
  }
  .maintenance-content .maintenance-description {
    font-size: 0.95rem;
  }
}
.error-404 {
  max-width: 800px;
  margin: 0 auto;
}
.error-404 header {
  margin-bottom: 40px;
}
.error-404 header h1 {
  font-size: 8rem;
  font-weight: bold;
  color: #06C167;
  margin: 0;
  line-height: 1;
}
.error-404 header .error-message {
  font-size: 1.5rem;
  color: #333;
  margin-top: 20px;
}
.error-404 .content p {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 40px;
}
.error-404 .error-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.error-404 .error-actions .button {
  display: inline-block;
  padding: 12px 30px;
  background-color: #06C167;
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
  transition: background-color 0.3s;
  min-width: 200px;
}
.error-404 .error-actions .button:hover {
  background-color: #05A855;
}
.error-404 .error-actions .button.button-primary {
  background-color: #06C167;
  color: #fff;
}
.error-404 .error-actions .button.button-primary:hover {
  background-color: #05A855;
}
.error-404 .error-actions .button.button-secondary {
  background-color: transparent;
  color: #06C167;
  border: 2px solid #06C167;
}
.error-404 .error-actions .button.button-secondary:hover {
  background-color: #06C167;
  color: #fff;
}
.error-404 .error-suggestions {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background-color: #f8f8f8;
  border-radius: 10px;
}
.error-404 .error-suggestions h2 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: #333;
  text-align: center;
}
.error-404 .error-suggestions ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.error-404 .error-suggestions ul li {
  margin-bottom: 15px;
}
.error-404 .error-suggestions ul li a {
  color: #06C167;
  text-decoration: none;
  transition: color 0.3s;
  font-size: 1rem;
  padding: 8px 0;
  display: block;
}
.error-404 .error-suggestions ul li a:hover {
  color: #05A855;
}
.error-404 .error-suggestions ul li a:hover {
  padding-left: 15px;
  transition: padding-left 0.3s;
}
@media (max-width: 968px) {
  .error-404 header h1 {
    font-size: 5rem;
  }
  .error-404 .error-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .error-404 .error-actions .button {
    width: 100%;
  }
}
@media (max-width: 968px) {
  .main-content {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .hero-title {
    font-size: 2rem;
  }
  .post-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }
}
@media (max-width: 768px) {
  .header-top-content {
    flex-direction: column;
    gap: 15px;
  }
  .nav-menu {
    flex-direction: column;
    gap: 0;
  }
  .nav-menu li {
    border-right: none;
    border-bottom: 1px solid #e5e5e5;
  }
  .nav-menu li:last-child {
    border-bottom: none;
  }
  .nav-menu a {
    padding: 12px 20px;
  }
  .hero-section {
    padding: 50px 0;
  }
  .hero-title {
    font-size: 1.6rem;
  }
  .hero-description {
    font-size: 1rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .post-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .search-input {
    width: 100%;
  }
  .breadcrumb {
    padding: 0 15px;
    margin: 15px auto 10px;
  }
  .breadcrumb-list {
    font-size: 0.85rem;
  }
  .breadcrumb-separator {
    margin: 0 6px;
  }
  .shortcut-panel {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding: 20px;
  }
  .shortcut-button {
    padding: 20px 15px;
  }
  .shortcut-icon {
    font-size: 2rem;
    margin-bottom: 10px;
  }
  .article-footer {
    margin-top: 30px;
    padding-top: 20px;
  }
  .article-footer-navigation {
    gap: 15px;
  }
  .article-footer-nav-link {
    padding: 8px 15px;
    font-size: 0.8rem;
  }
  .shortcut-label {
    font-size: 0.9rem;
  }
}
@media (max-width: 480px) {
  .shortcut-panel {
    grid-template-columns: 1fr;
  }
}