:root {
  --primary: #206146;
  --primary-light: #38b48b;
  --primary-dark: #18543a;
  --accent: #e0b072;
  --gray-50: #f9fafb;
  --gray-600: #4b5563;
  --gray-900: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
}

.site-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: #fff;
  color: var(--primary);
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* シェル: 左サイドバー + メイン */

.site-shell {
  display: flex;
  min-height: 100vh;
}

.site-sidebar {
  flex: 0 0 15.5rem;
  width: 15.5rem;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 55%, #1a6b4f 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.22s ease;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.12);
}

.site-shell--nav-open .site-sidebar {
  transform: translateX(0);
}

.site-backdrop {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(0, 0, 0, 0.45);
}

.site-backdrop[hidden] {
  display: none;
}

.site-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  margin-left: 0;
}

.site-sidebar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-sidebar-logo {
  color: #fff;
  text-decoration: none;
  line-height: 1.25;
}

.site-sidebar-logo-title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.site-sidebar-logo-sub {
  display: block;
  font-size: 0.75rem;
  opacity: 0.85;
}

.site-sidebar-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.site-sidebar-nav {
  padding: 0.75rem 0.65rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.site-sidebar-group {
  margin-top: 0.65rem;
}

.site-sidebar-group-label {
  margin: 0 0 0.35rem;
  padding: 0 0.5rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
}

.site-sidebar-group-bottom {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-sidebar-link {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.5rem 0.65rem;
  border-radius: 0.4rem;
  color: #fff;
  text-decoration: none;
  opacity: 0.92;
  border-left: 3px solid transparent;
  transition: background 0.12s, border-color 0.12s;
}

.site-sidebar-link:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.site-sidebar-link.active {
  background: rgba(255, 255, 255, 0.16);
  border-left-color: var(--accent);
  opacity: 1;
  font-weight: 600;
}

.site-sidebar-link-label {
  font-size: 0.9rem;
  line-height: 1.3;
}

.site-sidebar-desc {
  font-size: 0.68rem;
  opacity: 0.75;
  line-height: 1.25;
}

/* 編集協力 — 司馬子＋紫基調 */
.site-sidebar-link[href="/contribute/"] {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 0.55rem;
  row-gap: 0.08rem;
  padding: 0.55rem 0.65rem;
  background: linear-gradient(135deg, rgba(91, 33, 182, 0.34) 0%, rgba(124, 58, 237, 0.2) 100%);
  border: 1px solid rgba(196, 181, 253, 0.32);
  border-left: 3px solid #c4b5fd;
  border-radius: 0.5rem;
  opacity: 1;
}

.site-sidebar-link[href="/contribute/"]::before {
  content: '';
  grid-row: 1 / span 2;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.45rem;
  background: #ede9fe url('/assets/contribute-mascot/glasses.png') center / 1.7rem no-repeat;
  box-shadow: inset 0 0 0 1px rgba(109, 40, 217, 0.12);
}

.site-sidebar-link[href="/contribute/"] .site-sidebar-link-label {
  grid-column: 2;
  color: #f5f3ff;
  font-weight: 700;
}

.site-sidebar-link[href="/contribute/"] .site-sidebar-desc {
  grid-column: 2;
  color: #ddd6fe;
  opacity: 0.92;
}

.site-sidebar-link[href="/contribute/"]:hover {
  background: linear-gradient(135deg, rgba(91, 33, 182, 0.46) 0%, rgba(124, 58, 237, 0.3) 100%);
  border-color: rgba(196, 181, 253, 0.5);
}

.site-sidebar-link[href="/contribute/"].active {
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.58) 0%, rgba(124, 58, 237, 0.42) 100%);
  border-left-color: #ede9fe;
  box-shadow: 0 2px 12px rgba(91, 33, 182, 0.28);
}

/* 管理（編集者ログイン） — キーアイコンで体裁を統一 */
.site-sidebar-link[href="/admin/"] {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 0.55rem;
  row-gap: 0.08rem;
}
.site-sidebar-link[href="/admin/"]::before {
  content: '🔑';
  grid-row: 1 / span 2;
  width: 1.9rem;
  height: 1.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.1);
}
.site-sidebar-link[href="/admin/"] .site-sidebar-link-label { grid-column: 2; }
.site-sidebar-link[href="/admin/"] .site-sidebar-desc { grid-column: 2; }

/* 武将図鑑 — 左メニュー内の階層 */
.site-sidebar-char-branch {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0.1rem 0 0.35rem;
}

.site-sidebar-char-branch-sub {
  margin: 0.15rem 0 0 0.65rem;
  padding: 0.15rem 0 0.25rem 0.55rem;
  border-left: 2px solid rgba(255, 255, 255, 0.22);
}

.site-sidebar-char-branch .site-sidebar-link {
  margin-bottom: 0.05rem;
}

.site-sidebar-char-filter {
  margin: 0;
  border-top: none;
}

.site-sidebar-char-branch .char-ency-nav-details {
  margin-top: 0;
  border-top: none;
}

.site-sidebar-char-filter-summary {
  padding: 0.4rem 0.45rem 0.4rem 0.5rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.site-sidebar-char-filter-summary::-webkit-details-marker {
  display: none;
}

.site-sidebar-char-filter .char-ency-nav-details-summary::before {
  display: none;
}

.site-sidebar-char-filter-summary::before {
  content: '▸';
  margin-right: 0.35rem;
  opacity: 0.7;
}

.char-ency-nav-details[open].site-sidebar-char-filter .site-sidebar-char-filter-summary::before {
  transform: rotate(90deg);
}

.char-ency-nav-sub-mark {
  display: block;
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.28rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.35);
}

.char-ency-nav-sub-mark--from {
  background: #60a5fa;
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.25);
}

.char-ency-nav-sub-mark--to {
  background: #c084fc;
  box-shadow: 0 0 0 2px rgba(192, 132, 252, 0.25);
}

.char-ency-nav-subrow {
  display: grid;
  grid-template-columns: 0.55rem 1fr;
  gap: 0.2rem 0.3rem;
  align-items: start;
}

.char-ency-nav-details {
  margin: 0.3rem 0 0.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.char-ency-nav-details-summary {
  padding: 0.45rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.char-ency-nav-details-summary::-webkit-details-marker {
  display: none;
}

.char-ency-nav-details-summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 0.35rem;
  opacity: 0.75;
  transition: transform 0.15s;
}

.char-ency-nav-details[open] .char-ency-nav-details-summary::before {
  transform: rotate(90deg);
}

.char-ency-nav--sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.2rem 0.35rem 0.45rem;
}

.char-ency-nav-row {
  display: grid;
  grid-template-columns: 2.35rem 1fr;
  gap: 0.25rem 0.35rem;
  align-items: start;
}

.char-ency-nav-row-label {
  padding-top: 0.22rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.58);
}

.char-ency-nav--sidebar .char-ency-nav-links--chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.char-ency-nav--sidebar .char-ency-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  padding: 0.16rem 0.38rem;
  border-radius: 9999px;
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.94);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background 0.12s, border-color 0.12s;
}

.char-ency-nav--sidebar .char-ency-nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.28);
}

.char-ency-nav-combo {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.char-ency-nav--sidebar .char-ency-nav-link--shozoku-shoku {
  background: rgba(34, 197, 94, 0.22);
  border-color: rgba(74, 222, 128, 0.45);
}

.char-ency-nav--sidebar .char-ency-nav-link--shozoku-gi {
  background: rgba(59, 130, 246, 0.22);
  border-color: rgba(96, 165, 250, 0.45);
}

.char-ency-nav--sidebar .char-ency-nav-link--shozoku-go {
  background: rgba(239, 68, 68, 0.22);
  border-color: rgba(248, 113, 113, 0.45);
}

.char-ency-nav--sidebar .char-ency-nav-link--shozoku-gun {
  background: rgba(168, 85, 247, 0.22);
  border-color: rgba(192, 132, 252, 0.45);
}

.char-ency-nav--sidebar .char-ency-nav-link--shozoku-ya {
  background: rgba(245, 158, 11, 0.22);
  border-color: rgba(251, 191, 36, 0.45);
}

.char-ency-nav--sidebar .char-ency-nav-link--tuizen-float,
.char-ency-nav--sidebar .char-ency-nav-link--tuigo-float {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(96, 165, 250, 0.38);
}

.char-ency-nav--sidebar .char-ency-nav-link--tuizen-fall,
.char-ency-nav--sidebar .char-ency-nav-link--tuigo-fall {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(248, 113, 113, 0.38);
}

.char-ency-nav--sidebar .char-ency-nav-link--tuizen-kb,
.char-ency-nav--sidebar .char-ency-nav-link--tuigo-kb {
  background: rgba(168, 85, 247, 0.18);
  border-color: rgba(192, 132, 252, 0.38);
}

.site-topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-topbar-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.4rem;
  background: #fff;
  color: var(--primary);
  font-size: 1.2rem;
  cursor: pointer;
}

.site-topbar-logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 960px) {
  .site-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    transform: none;
    flex-shrink: 0;
    box-shadow: none;
  }

  .site-shell--nav-open .site-sidebar {
    transform: none;
  }

  .site-content {
    margin-left: 0;
  }

  .site-shell {
    align-items: stretch;
  }

  .site-sidebar-close,
  .site-topbar-menu,
  .site-backdrop {
    display: none !important;
  }

  .site-topbar {
    display: none;
  }
}

.site-main {
  flex: 1;
  padding: 1.25rem 1rem 2rem;
  max-width: 58rem;
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 960px) {
  .site-main {
    padding: 1.5rem 1.5rem 2.5rem;
  }
}

.site-footer {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  color: var(--gray-600);
  padding: 1rem 1.25rem 1.5rem;
  font-size: 0.8rem;
  text-align: center;
  margin-top: auto;
}

.site-footer a {
  color: var(--primary);
}

.site-footer-meta {
  margin-top: 0.35rem;
}

.page-title {
  font-size: 1.75rem;
  margin: 0 0 1rem;
}

.section-title {
  font-size: 1.125rem;
  color: var(--primary);
  margin: 0 0 0.75rem;
}

.card {
  background: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

/* ページ下部のコメント欄（renderOlbSection が site-main 直下に出す）へ上部余白を付与。
   .card は margin-top を持たず、本文末尾が .card でないページ（編成検索=#combo-app 等の
   flex 本文）でコメント欄が密着していた。直下セレクタなので掲示板・編集協力の入れ子
   .wiki-olb-wrap には当たらない。前要素が .card のページは margin 相殺で従来どおり。 */
.site-main > .wiki-olb-wrap {
  margin-top: 1.5rem;
}

.grid-2 {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list li {
  margin-bottom: 0.5rem;
}

.link-list a {
  color: #2563eb;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--primary);
}

.meta-text {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  border: 1px solid #e5e7eb;
  padding: 0.5rem;
  text-align: left;
}

.data-table th {
  background: #f3f4f6;
  width: 30%;
}

.character-detail-top {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .character-detail-top {
    grid-template-columns: 120px 1fr;
  }
}

.character-image {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 0.5rem;
}

.character-list-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #6b7280;
  padding: 2rem;
}

.character-card-item {
  list-style: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filters label {
  font-size: 0.875rem;
}

.filters select,
.filters input {
  display: block;
  margin-top: 0.25rem;
  padding: 0.375rem;
  min-width: 140px;
}

.btn-secondary {
  display: inline-block;
  background: #6b7280;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  margin-right: 0.5rem;
}

.btn-secondary:hover {
  background: #4b5563;
}

.admin-actions {
  margin-bottom: 1rem;
}

.admin-pending-item {
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.admin-pending-item button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  cursor: pointer;
}

#admin-login-form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

#admin-login-form input {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-top: 0.25rem;
  padding: 0.5rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
}