/* ==========================================
   Global Styles & Reset
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary-blue: #003d99;
  --primary-blue-dark: #002b6b;
  --secondary-blue: #0052cc;
  --accent-green: #2d8659;
  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --text-light: #6c757d;
  --text-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --bg-blue-light: #e3f2fd;
  --border-color: #e0e6ed;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', YuGothic, Meiryo, sans-serif;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  line-height: 1.7;
  background-color: var(--bg-light);
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==========================================
   Header Styles
   ========================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary-blue);
  box-shadow: var(--shadow-md);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  color: var(--text-white);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-image {
  height: 60px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  color: var(--text-white);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--accent-green);
}

.board-button {
  background: var(--accent-green);
  color: var(--text-white);
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-base);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(82, 183, 136, 0.3);
}

.board-button:hover {
  background: #45a077;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(82, 183, 136, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  padding: var(--spacing-md) 0;
  min-height: 280px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400"><circle cx="350" cy="50" r="100" fill="rgba(255,255,255,0.3)"/><circle cx="320" cy="180" r="80" fill="rgba(255,255,255,0.2)"/></svg>') no-repeat right center;
  background-size: contain;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(227, 242, 253, 0.9) 0%, rgba(227, 242, 253, 0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.hero-title-small {
  font-size: 1.4rem;
  font-weight: 500;
}

.hero-title-large {
  font-size: 4rem;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.8rem;
  color: var(--secondary-blue);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.hero-description {
  font-size: 1.4rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ==========================================
   Main Content Layout
   ========================================== */
.main-content {
  padding: var(--spacing-2xl) 0;
}

.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xl);
}

.index-layout {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.index-main {
  flex: 1;
  min-width: 0;
}

.index-layout > .sidebar {
  width: 320px;
  flex-shrink: 0;
}

/* ==========================================
   Section Header
   ========================================== */
.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-header h1,
.section-header h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
  font-weight: 600;
  padding-bottom: var(--spacing-sm);
  border-bottom: 3px solid var(--primary-blue);
  display: inline-block;
  text-align: justify;
}

/* ==========================================
   News Grid
   ========================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.news-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.news-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--bg-blue-light);
}

.news-image .placeholder-image {
  width: 100%;
  height: 100%;
  display: block;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-content {
  padding: var(--spacing-md);
}

.news-date {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.news-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.news-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: justify;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================
   Blog List
   ========================================== */
.news-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  flex-wrap: wrap;
}

.news-category-badge {
  display: inline-block;
  background: var(--primary-blue);
  color: var(--text-white);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
}

.blog-list-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-2xl) 0;
  font-size: 1rem;
}

/* Pagination */
.pagination-wrapper {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  justify-content: center;
  padding: 0;
  margin: 0;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  color: var(--primary-blue);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.pagination-link:hover {
  background: var(--primary-blue);
  color: var(--text-white);
  border-color: var(--primary-blue);
}

.pagination-current {
  background: var(--primary-blue);
  color: var(--text-white);
  border-color: var(--primary-blue);
  font-weight: 700;
  cursor: default;
}

/* ==========================================
   Blog Detail
   ========================================== */

/* パンくずリスト */
.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb ol,
.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.breadcrumb li + li::before,
.breadcrumb-item + .breadcrumb-item::before {
  content: '›';
  margin-right: 4px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--primary-blue);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-item [aria-current="page"] {
  color: var(--text-primary);
}

/* 記事全体 */
.blog-article {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.blog-article-header {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
}

.blog-article-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.blog-meta-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.blog-meta-category {
  display: inline-block;
  padding: 3px 12px;
  background: var(--primary-blue);
  color: #fff;
  font-size: 0.8rem;
  border-radius: 20px;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.blog-meta-category:hover {
  background: var(--accent-green);
}

/* サムネイル */
.blog-article-thumbnail {
  width: 100%;
  max-height: 420px;
  overflow: hidden;
}

.blog-article-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 本文 */
.blog-article-body {
  padding: var(--spacing-xl);
  line-height: 1.9;
  color: var(--text-primary);
  font-size: 1rem;
  text-align: justify;
}

.blog-article-body h1,
.blog-article-body h2,
.blog-article-body h3,
.blog-article-body h4 {
  font-weight: 700;
  margin-top: 2em;
  margin-bottom: 0.75em;
  color: var(--text-primary);
  line-height: 1.5;
}

.blog-article-body h2 {
  font-size: 1.3rem;
  border-left: 4px solid var(--primary-blue);
  padding-left: var(--spacing-sm);
}

.blog-article-body h3 {
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

.blog-article-body p {
  margin-bottom: 1.25em;
}

.blog-article-body a {
  color: var(--primary-blue);
  text-decoration: underline;
}

.blog-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-md) auto;
  display: block;
}

.blog-article-body ul,
.blog-article-body ol {
  margin: 0 0 1.25em 1.5em;
}

.blog-article-body li {
  margin-bottom: 0.5em;
}

.blog-article-body blockquote {
  margin: 1.5em 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid var(--accent-green);
  background: var(--bg-blue-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

/* 前後ナビ */
.blog-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.blog-post-nav-prev,
.blog-post-nav-next {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.blog-post-nav-prev a,
.blog-post-nav-next a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: background var(--transition-fast);
  height: 100%;
}

.blog-post-nav-prev a:hover,
.blog-post-nav-next a:hover {
  background: var(--bg-blue-light);
}

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

.nav-label {
  font-size: 0.8rem;
  color: var(--primary-blue);
  font-weight: 600;
}

.nav-title {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* トップへ戻る */
.blog-back-link {
  margin-bottom: var(--spacing-xl);
}

.blog-back-link a {
  color: var(--primary-blue);
  text-decoration: none;
  font-size: 0.9rem;
}

.blog-back-link a:hover {
  text-decoration: underline;
}

/* 404 */
.blog-not-found {
  padding: var(--spacing-xl);
  text-align: center;
}

.blog-not-found h1 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.blog-not-found p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* レスポンシブ */
@media (max-width: 767px) {
  .blog-article-header {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
  }

  .blog-article-title {
    font-size: 1.2rem;
  }

  .blog-article-body {
    padding: var(--spacing-lg) var(--spacing-md);
  }

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

  .blog-post-nav-next {
    text-align: left;
  }
}

/* ==========================================
   Sidebar
   ========================================== */

/* Sidebar Banner */
.sidebar-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-radius: 25px;
  padding: 1.8rem var(--spacing-md);
  text-decoration: none;
  color: #fff;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.sidebar-banner:hover {
  transform: translateY(-2px);
  color: #fff;
}

.sidebar-banner-bbs {
  background: var(--accent-green);
  box-shadow: 0 2px 8px rgba(82, 183, 136, 0.3);
}

.sidebar-banner-bbs:hover {
  background: #45a077;
  box-shadow: 0 4px 12px rgba(82, 183, 136, 0.4);
}

.banner-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
}

.banner-desc {
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.banner-cta {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-blue-dark);
  background: #fff;
  border-radius: 25px;
  padding: 0.55rem 1.6rem;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar-banner:hover .banner-cta {
  background: var(--bg-blue-light);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.sidebar-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

/* Category List */
.category-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.category-list a {
  color: var(--text-primary);
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.category-list a:hover {
  color: var(--primary-blue);
}

.category-count,
.archive-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: 4px;
}

.sidebar-empty {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Archive List */
.archive-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.archive-year {
  border-bottom: 1px solid var(--border-color);
}

.archive-year summary {
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.archive-year summary::after {
  content: '▼';
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}

.archive-year[open] summary::after {
  transform: rotate(-180deg);
}

.archive-months {
  list-style: none;
  padding-left: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
}

.archive-months li {
  padding: var(--spacing-xs) 0;
}

.archive-months a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.archive-months a:hover {
  color: var(--primary-blue);
}

/* Search Form */
.search-form {
  display: flex;
  gap: var(--spacing-xs);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.search-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-blue);
  color: var(--text-white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-button:hover {
  background: var(--primary-blue-dark);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--primary-blue);
  color: var(--text-white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
  font-size: 1.5rem;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   Step Flow
   ========================================== */
.step-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 2rem 0 2.5rem;
  padding-top: 1.2rem;
  row-gap: 3rem;
}

.step-item {
  position: relative;
  flex: 0 0 155px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.13);
  display: flex;
  flex-direction: column;
}

.step-header {
  background: #1e8449;
  padding: 0.85rem 0.9rem 0.7rem;
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: flex-end;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.step-flow .step-label {
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1;
  display: flex;
  align-items: flex-end;
  gap: 1px;
}

.step-flow .step-label strong {
  font-size: 2rem;
  font-weight: 700;
  line-height: 0.9;
}

.step-badge {
  background: #c0392b;
  color: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: -16px;
  right: -14px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.step-body {
  background: #fff;
  border-top: none;
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: #333;
  border-radius: 0 0 8px 8px;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
  flex: 1;
}

.step-arrow {
  width: 30px;
  height: 4px;
  background: #1e8449;
  position: relative;
  flex-shrink: 0;
  margin: 0 3px;
  margin-bottom: 27px;
}

.step-arrow::after {
  content: '';
  position: absolute;
  right: -10px;
  top: -7px;
  border: 9px solid transparent;
  border-left-color: #1e8449;
}

@media (max-width: 600px) {
  .step-flow {
    flex-direction: column;
    align-items: center;
    row-gap: 1.2rem;
    padding-top: 1.2rem;
  }

  .step-item {
    width: min(100%, 280px);
  }

  .step-arrow {
    width: 4px;
    height: 24px;
    background: #1e8449;
    margin: 0;
  }

  .step-arrow::after {
    right: auto;
    top: auto;
    left: -8px;
    bottom: -10px;
    border: 9px solid transparent;
    border-top-color: #1e8449;
    border-left-color: transparent;
  }
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-green);
  color: var(--text-white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(82, 183, 136, 0.3);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: #45a077;
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(82, 183, 136, 0.4);
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablet */
@media (max-width: 992px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .index-layout {
    flex-direction: column;
  }

  .index-layout > .sidebar {
    width: 100%;
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    background: var(--primary-blue-dark);
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md);
    transition: left var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu a {
    display: block;
    padding: var(--spacing-md);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .board-button {
    display: none;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .hero-title-small {
    font-size: 1.1rem;
  }

  .hero-title-large {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.4rem;
  }

  .hero-description {
    font-size: 1.2rem;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .footer-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-md) 0;
    min-height: 300px;
  }

  .hero-title-small {
    font-size: 1rem;
  }

  .hero-title-large {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .logo-text {
    font-size: 1.2rem;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }
}

/* Page Content Styles */
.page-content {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.page-content h2,
.headline1 {
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  color: var(--primary-blue);
  font-size: 1.6rem;
  font-weight: 700;
  border-bottom: 2px solid var(--primary-blue);
  padding-bottom: 0.5rem;
}

.page-content h2:first-child,
.headline1:first-child {
  margin-top: 0;
}

.page-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-blue);
  font-size: 1.3rem;
  font-weight: 600;
}

.page-content h3:first-child {
  margin-top: 0;
}

.page-content p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  text-align: justify;
}

.page-content p:last-child {
  margin-bottom: 0;
}

.page-content ul {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.page-content li {
  margin-bottom: 1rem;
  line-height: 1.5;
  list-style-position: outside;
  text-align: justify;
}

.page-content li:last-child {
  margin-bottom: 0;
}

.page-content img {
  margin: 1.5rem 0;
}

/* Contact Form Styles */
.contact-form {
  margin-top: 2rem;
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: 600;
  font-size: 0.95rem;
}

.required {
  color: #dc3545;
  font-size: 0.85rem;
  margin-left: 0.25rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-family);
  transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  text-align: center;
  margin-top: 2rem;
}

.form-submit .btn {
  padding: 1rem 3rem;
  font-size: 1.1rem;
}

/* ==========================================
   BBS Page
   ========================================== */
.bbs-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Page Header */
.bbs-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.bbs-page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-blue);
  border-bottom: 3px solid var(--primary-blue);
  padding-bottom: 0.4rem;
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  font-family: var(--font-family);
}

.btn-primary {
  background: var(--primary-blue);
  color: var(--text-white);
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
}

.btn-secondary {
  background: var(--bg-light);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-accent {
  background: var(--accent-green);
  color: var(--text-white);
}

.btn-accent:hover {
  background: #236a47;
}

.btn-bbs-post {
  font-size: 1rem;
  padding: 0.6rem 1.6rem;
}

.btn-bbs-apply {
  padding: 0.3rem 1rem;
  font-size: 0.85rem;
}

/* Result Header */
.bbs-section {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.bbs-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.bbs-result-count {
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.bbs-search-toggle {
  background: var(--bg-blue-light);
  color: var(--primary-blue);
  border: 1px solid var(--primary-blue);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
}

.bbs-search-toggle:hover {
  background: var(--primary-blue);
  color: var(--text-white);
}

/* Pagination */
.bbs-pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.page-link {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--primary-blue);
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  transition: all var(--transition-fast);
}

.page-link:hover {
  background: var(--primary-blue);
  color: var(--text-white);
  border-color: var(--primary-blue);
}

.page-link.active {
  background: var(--primary-blue);
  color: var(--text-white);
  border-color: var(--primary-blue);
  font-weight: 600;
}

.page-link.disabled {
  color: var(--text-light);
  cursor: default;
  pointer-events: none;
  border-color: var(--border-color);
}

.page-dots {
  padding: 0.3rem 0.3rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.bbs-pagination-bottom {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

/* Search Form */
.bbs-search-form {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.bbs-search-hidden {
  display: none;
}

.bbs-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: flex-end;
}

.bbs-search-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 150px;
}

.bbs-search-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.bbs-search-field select,
.bbs-search-field input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.9rem;
  background: var(--bg-white);
}

.bbs-search-field select:focus,
.bbs-search-field input:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.bbs-search-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: flex-end;
  flex-wrap: wrap;
}

/* BBS Card */
.bbs-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.bbs-card:last-of-type {
  margin-bottom: 0;
}

.bbs-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--primary-blue);
  color: var(--text-white);
  padding: 0.5rem var(--spacing-md);
}

.bbs-card-id {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.bbs-card-date {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  margin-right: auto;
}

/* Card Info Grid */
.bbs-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border-color);
}

.bbs-info-item {
  display: flex;
  flex-direction: column;
  padding: 0.6rem var(--spacing-md);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.bbs-info-item:nth-child(3n) {
  border-right: none;
}

.bbs-info-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 2px;
}

.bbs-info-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Card Message */
.bbs-card-message {
  padding: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.bbs-message-body {
  flex: 1;
  min-width: 0;
  order: 1;
}

.bbs-card-avatar {
  order: 2;
}

.bbs-card-avatar img {
  display: block;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .bbs-card-message {
    display: block;
    overflow: hidden;
  }

  .bbs-card-avatar {
    float: right;
    order: unset;
    margin: 0 0 var(--spacing-xs) var(--spacing-sm);
  }

  .bbs-card-avatar img {
    width: 64px;
    height: 64px;
  }

  .bbs-message-body {
    overflow: visible;
    order: unset;
  }
}

.bbs-message-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.bbs-message-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
  text-align: justify;
}

/* ==========================================
   BBS Form Page
   ========================================== */

/* Step Bar */
.step-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--spacing-lg) 0;
  gap: 48px;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition-base);
}

.step-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.step-item.active .step-number {
  background: var(--primary-blue);
  color: var(--text-white);
}

.step-item.active .step-label {
  color: var(--primary-blue);
  font-weight: 700;
}

.step-item.completed .step-number {
  background: var(--accent-green);
  color: var(--text-white);
}

.step-item.completed .step-label {
  color: var(--accent-green);
}

.step-connector {
  width: 80px;
  height: 2px;
  background: var(--border-color);
  margin-bottom: 22px;
}

/* Form Content */
.bbs-form-intro {
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  line-height: 1.8;
  text-align: justify;
}

.bbs-input-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.bbs-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bbs-form-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.bbs-required {
  background: #dc3545;
  color: var(--text-white);
  font-size: 0.72rem;
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.bbs-form-input,
.bbs-form-select,
.bbs-form-textarea {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-white);
  transition: border-color var(--transition-fast);
  width: 100%;
}

.bbs-form-input:focus,
.bbs-form-select:focus,
.bbs-form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px rgba(0, 61, 153, 0.1);
}

.bbs-form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.8;
}

.bbs-help-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.bbs-error-text {
  font-size: 0.85rem;
  color: #dc3545;
  font-weight: 600;
}

.bbs-form-group.has-error .bbs-form-input,
.bbs-form-group.has-error .bbs-form-select,
.bbs-form-group.has-error .bbs-form-textarea {
  border-color: #dc3545;
}

/* Unit input */
.bbs-input-unit {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.bbs-input-unit .bbs-form-input {
  max-width: 200px;
}

.bbs-unit {
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Time Range */
.bbs-time-range {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.bbs-time-input {
  max-width: 130px;
}

.bbs-time-sep {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Form Actions */
.bbs-form-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.bbs-form-actions-split {
  justify-content: space-between;
}

.btn-large {
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
}

/* Confirm Table */
.bbs-confirm-table {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.bbs-confirm-row {
  display: flex;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
}

.bbs-confirm-row:last-child {
  border-bottom: none;
}

.bbs-confirm-row dt {
  width: 180px;
  min-width: 180px;
  padding: 0.75rem var(--spacing-md);
  background: var(--bg-light);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  border-right: 1px solid var(--border-color);
}

.bbs-confirm-row dd {
  padding: 0.75rem var(--spacing-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
  flex: 1;
  text-align: justify;
}

/* Complete */
.bbs-complete {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.bbs-complete-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-green);
  color: var(--text-white);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.bbs-complete-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.bbs-complete p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  line-height: 1.8;
}

.bbs-complete-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* アバター選択 */
.bbs-avatar-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.bbs-avatar-item {
  position: relative;
  cursor: pointer;
}

.bbs-avatar-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.bbs-avatar-item img {
  display: block;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid transparent;
  transition: border-color 0.2s, transform 0.15s;
  object-fit: cover;
}

.bbs-avatar-item input[type="radio"]:checked + img {
  border-color: var(--accent-green);
  transform: scale(1.08);
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.3);
}

.bbs-avatar-item:hover img {
  border-color: var(--primary-blue);
  transform: scale(1.05);
}

.bbs-confirm-avatar {
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

/* BBS Responsive */
@media (max-width: 768px) {
  .bbs-result-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .bbs-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bbs-info-item:nth-child(3n) {
    border-right: 1px solid var(--border-color);
  }

  .bbs-info-item:nth-child(2n) {
    border-right: none;
  }

  .step-connector {
    width: 40px;
  }

  .bbs-confirm-row dt {
    width: 130px;
    min-width: 130px;
  }

  .bbs-form-actions-split {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .bbs-card-grid {
    grid-template-columns: 1fr;
  }

  .bbs-info-item {
    border-right: none;
  }

  .bbs-wrapper {
    padding: var(--spacing-sm) 0;
  }

  .bbs-page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================
   Contact Form Specific Styles
   ========================================== */

/* Notice Box */
.notice-box {
  background: var(--bg-blue-light);
  border-left: 4px solid var(--primary-blue);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-sm);
}

.notice-box p {
  margin: 0;
  line-height: 1.8;
  color: var(--text-primary);
  text-align: justify;
}

.notice-box-error {
  background: #fff3cd;
  border-left-color: #dc3545;
}

.domain-inline {
  font-weight: 700;
  color: var(--primary-blue);
  padding: 0 0.25rem;
}

.copy-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  margin-left: 0.25rem;
  font-size: 1rem;
  transition: transform var(--transition-fast);
  vertical-align: middle;
}

.copy-icon-btn:hover {
  transform: scale(1.2);
}

.copy-icon-btn:active {
  transform: scale(0.95);
}

/* Form Inputs (non-prefixed versions for contact.php) */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-family);
  transition: border-color var(--transition-base);
  background: var(--bg-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 61, 153, 0.1);
}

.form-group input[type="tel"] {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-family);
  transition: border-color 0.3s ease;
}

.form-group input[type="tel"]:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.6;
}

/* Error States */
.has-error .form-input,
.has-error .form-select,
.has-error .form-textarea {
  border-color: #dc3545;
}

.is-invalid {
  border-color: #dc3545;
}

.error-text {
  font-size: 0.85rem;
  color: #dc3545;
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Form Actions */
.form-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.form-actions-split {
  justify-content: space-between;
}

/* Confirm Table */
.confirm-table {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--spacing-lg) 0;
  background: var(--bg-white);
}

.confirm-row {
  display: flex;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
}

.confirm-row:last-child {
  border-bottom: none;
}

.confirm-label {
  width: 180px;
  min-width: 180px;
  padding: 0.75rem var(--spacing-md);
  background: var(--bg-light);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  border-right: 1px solid var(--border-color);
}

.confirm-value {
  padding: 0.75rem var(--spacing-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
  flex: 1;
  text-align: justify;
  margin: 0;
}

.confirm-value-message {
  white-space: pre-wrap;
}

/* Complete Message */
.complete-message {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.complete-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-green);
  color: var(--text-white);
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-weight: 700;
}

.complete-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.complete-message p {
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* Responsive adjustments for contact form */
@media (max-width: 768px) {
  .confirm-label {
    width: 130px;
    min-width: 130px;
  }

  .form-actions-split {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .confirm-row {
    flex-direction: column;
  }

  .confirm-label {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* ==========================================
   アクセシビリティ: スキップリンク
   ========================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  display: block;
  padding: 0.75rem 1.5rem;
  background: var(--primary-blue);
  color: var(--text-white);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #fff;
  outline-offset: 2px;
}

/* ==========================================
   本文テキスト両端揃え
   ========================================== */
.page-content p,
.blog-article-body p,
.blog-article-body li {
  text-align: justify;
}

/* ==========================================
   コンテンツ内バナー・フロー画像
   ========================================== */
.content-banner {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.content-flow-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: var(--spacing-md) auto;
}

/* ==========================================
   サイトマップページ
   ========================================== */
.sitemap-section {
  margin-bottom: var(--spacing-xl);
}

.sitemap-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-blue);
  border-left: 4px solid var(--primary-blue);
  padding-left: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.sitemap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sitemap-list li::before {
  content: '▶ ';
  color: var(--accent-green);
  font-size: 0.7rem;
}

.sitemap-list a {
  color: var(--primary-blue);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.sitemap-list a:hover {
  color: var(--secondary-blue);
  text-decoration: underline;
}

/* ==========================================
   404 エラーページ
   ========================================== */
.error-404-section {
  display: flex;
  justify-content: center;
  padding: var(--spacing-2xl) 0;
}

.error-404-content {
  text-align: center;
  max-width: 700px;
  width: 100%;
}

.error-404-code {
  font-size: 6rem;
  font-weight: 900;
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: var(--spacing-md);
  opacity: 0.15;
  letter-spacing: -4px;
}

.error-404-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.error-404-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.error-404-actions {
  margin-bottom: var(--spacing-2xl);
}

.error-404-links {
  text-align: left;
}

.error-404-links-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--border-color);
}

.error-404-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-sm);
}

.error-404-link-card {
  display: block;
  padding: var(--spacing-sm);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.error-404-link-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-blue);
}

.error-404-link-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 4px;
}

.error-404-link-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .error-404-code {
    font-size: 4rem;
  }

  .error-404-title {
    font-size: 1.35rem;
  }

  .error-404-link-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================
   Apply Form Styles
   ========================================== */

/* コンテンツセクション */
.content-section {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.content-section > p {
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

/* 応募先投稿トグル */
.apply-post-toggle-wrapper {
  margin: var(--spacing-md) 0;
}

.apply-post-toggle-btn {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--primary-blue);
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base);
  text-align: left;
}

.apply-post-toggle-btn:hover {
  background: var(--bg-light);
  border-color: var(--primary-blue);
}

.toggle-icon {
  display: inline-block;
  margin-right: var(--spacing-xs);
  transition: transform var(--transition-base);
}

.apply-post-content {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.apply-post-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.apply-post-header {
  display: flex;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.apply-post-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.apply-post-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.apply-post-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.apply-post-value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.apply-post-message {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.apply-post-message-content {
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}

/* フォームラベル */
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

/* 必須マーク */
.required {
  display: inline-block;
  margin-left: var(--spacing-xs);
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-white);
  background: #dc3545;
  border-radius: var(--radius-sm);
}

/* 名前入力グループ */
.form-name-group {
  display: flex;
  gap: var(--spacing-sm);
}

.form-name-field {
  flex: 1;
}

/* 生年月日入力グループ */
.form-birthday-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-birthday-group .form-select {
  width: auto;
  flex: 0 0 auto;
}

.form-birthday-group .form-select:first-of-type {
  min-width: 90px;
}

.form-birthday-group .form-select:not(:first-of-type) {
  min-width: 72px;
}

/* 電話番号入力グループ */
.form-tel-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-input-tel {
  flex: 1;
  max-width: 100px;
}

/* 時間入力グループ */
.form-time-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-time-group .form-select {
  width: auto;
  flex: 0 0 auto;
  min-width: 72px;
}

/* 金額入力 */
.form-input-amount {
  max-width: 150px;
  display: inline-block;
}

/* セパレーター */
.form-separator {
  color: var(--text-secondary);
}

/* 単位表示 */
.form-unit {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ヘルプテキスト */
.form-help-text {
  margin-top: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 完了メッセージ */
.complete-message {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.complete-icon {
  font-size: 4rem;
  color: var(--accent-green);
  margin-bottom: var(--spacing-md);
  line-height: 1;
}

.complete-text {
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .apply-post-header {
    flex-direction: column;
  }

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

  .form-name-group {
    flex-direction: column;
  }

  .form-tel-group {
    flex-wrap: wrap;
  }

  .form-input-tel {
    max-width: 80px;
  }
}

/* ==========================================
   Stats Bar
   ========================================== */
.stats-bar {
  background: var(--primary-blue);
  padding: var(--spacing-md) 0;
}

.stats-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.stats-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stats-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.stats-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}

/* ==========================================
   Features Section
   ========================================== */
.features-section {
  margin: var(--spacing-xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--primary-blue);
  text-align: center;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.feature-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: justify;
}

/* ==========================================
   How-To Section
   ========================================== */
.howto-section {
  margin: var(--spacing-xl) 0;
  background: var(--bg-blue-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.howto-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  counter-reset: steps;
}

.howto-step {
  display: flex;
  gap: var(--spacing-md);
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  align-items: flex-start;
}

.howto-step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary-blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
}

.howto-step-body {
  flex: 1;
}

.howto-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.howto-step-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: justify;
}

/* ==========================================
   BBS Latest Section
   ========================================== */
.bbs-latest-section {
  margin: var(--spacing-xl) 0;
}

.bbs-latest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.bbs-latest-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md);
  border-left: 4px solid var(--accent-green);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.bbs-latest-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bbs-latest-id {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  color: var(--primary-blue);
  background: var(--bg-blue-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.bbs-latest-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.bbs-latest-message {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: justify;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bbs-latest-meta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.bbs-latest-meta .bbs-latest-row {
  flex: 1;
  min-width: 0;
}

.bbs-latest-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bbs-latest-row {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  align-items: center;
}

.bbs-latest-label {
  color: var(--text-secondary);
  flex-shrink: 0;
  min-width: 80px;
  font-size: 0.8rem;
}

.bbs-latest-value {
  color: var(--text-primary);
  font-weight: 500;
}

.bbs-latest-amount {
  color: var(--accent-green);
  font-weight: 700;
}

.bbs-latest-btn {
  display: inline-block;
  background: var(--accent-green);
  color: #fff;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: background var(--transition-fast);
  align-self: flex-start;
  margin-top: auto;
}

.bbs-latest-btn:hover {
  background: #236b47;
}

.bbs-latest-more,
.blog-more {
  text-align: center;
  margin-top: var(--spacing-md);
}

.btn-outline {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: var(--primary-blue);
  color: #fff;
}

.bbs-latest-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-xl) 0;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  text-align: center;
}

.cta-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-lg);
}

.cta-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.cta-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg) var(--spacing-md);
  text-decoration: none;
  color: #fff;
  transition: background var(--transition-base);
}

.cta-link-card:hover {
  background: rgba(255, 255, 255, 0.22);
}

.cta-link-icon {
  font-size: 2rem;
  line-height: 1;
}

.cta-link-title {
  font-size: 1rem;
  font-weight: 700;
}

.cta-link-desc {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* ==========================================
   Legal Section
   ========================================== */
.legal-section {
  margin: var(--spacing-xl) 0;
}

.legal-box {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-left: 5px solid #f9a825;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.legal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.legal-list {
  padding-left: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.legal-list li {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.7;
  text-align: justify;
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-section {
  margin: var(--spacing-xl) 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + 24px);
  background: var(--bg-light);
  position: relative;
  text-align: justify;
}

.faq-question::before {
  content: 'Q';
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  background: var(--primary-blue);
  color: #fff;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 22px;
  text-align: center;
}

.faq-answer {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + 24px);
  line-height: 1.7;
  text-align: justify;
  position: relative;
  margin-left: 0;
}

.faq-answer::before {
  content: 'A';
  position: absolute;
  left: var(--spacing-md);
  top: var(--spacing-md);
  width: 22px;
  height: 22px;
  background: var(--accent-green);
  color: #fff;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 22px;
  text-align: center;
}

/* ==========================================
   Responsive - New Sections
   ========================================== */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .howto-steps {
    grid-template-columns: 1fr;
  }

  .bbs-latest-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-grid {
    gap: var(--spacing-lg);
  }

  .stats-number {
    font-size: 1.4rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .howto-section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .bbs-latest-grid {
    grid-template-columns: 1fr;
  }

  .bbs-latest-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .cta-links {
    grid-template-columns: 1fr;
  }

  .cta-link-card {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .legal-box {
    padding: var(--spacing-lg);
  }
}

/* ==========================================
   Sticky BBS Bar (mobile / tablet)
   ========================================== */
.sticky-bbs-bar {
  display: none;
}

@media (max-width: 1024px) {
  .sticky-bbs-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 900;
    padding: 1rem var(--spacing-md);
    background: var(--accent-green);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
  }

  .sticky-bbs-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
  }

  .sticky-bbs-icon {
    font-size: 1.1rem;
    line-height: 1;
  }

  .sticky-bbs-arrow {
    font-size: 1.4rem;
    line-height: 1;
    font-weight: 400;
  }

  body {
    padding-bottom: 4.2rem;
  }

  .back-to-top {
    bottom: calc(4.2rem + 16px);
  }
}