@charset "UTF-8";
:root {
  --citrus-orange: #ff8a3d;
  --citrus-lemon: #ffd166;
  --citrus-lime: #2ec27e;
  --bg: #fff7e6;
  /* soft cream */
  --fg: #253238;
  /* blue-gray text */
  --muted: #5f6b6b;
  --line: #e8e1d6;
  --accent: var(--citrus-muted);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--fg);
  background: radial-gradient(900px 600px at 20% -10%, #fff0d1 0%, var(--bg) 60%), linear-gradient(180deg, #fffdfa, var(--bg));
  line-height: 1.65;
  position: relative;
  z-index: 0;
}

/* 背景の回転オレンジ */
body::before {
  content: "";
  position: fixed;
  top: -140px;
  left: -140px;
  width: clamp(360px, 36vw, 760px);
  height: clamp(360px, 36vw, 760px);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.15;
  background: radial-gradient(circle at 50% 50%, #ffffffc0 0 9%, transparent 10%), radial-gradient(circle at 50% 50%, transparent 60%, color-mix(in oklab, var(--citrus-orange) 85%, #a85a00 15%) 61% 74%, transparent 75%), repeating-conic-gradient(from 0deg, color-mix(in oklab, var(--citrus-orange) 78%, var(--citrus-lemon) 22%) 0deg 44deg, #ffffff 44deg 45deg);
  filter: drop-shadow(0 18px 40px rgba(255, 138, 61, 0.18));
  animation: citrus-deco-spin 90s linear infinite;
}

@keyframes citrus-deco-spin {
  to {
    transform: rotate(360deg);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font: 16px/1.8 system-ui, -apple-system, "Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;
}

a {
  color: var(--accent);
}

.inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
}

/* スキップリンク */
.skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  position: static;
  width: auto;
  height: auto;
  display: inline-block;
  padding: 8px;
  background: #fffbcc;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: saturate(1.5) blur(8px);
  background: color-mix(in oklab, #ffffff 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-header a {
  text-decoration: none;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
  padding: 12px 20px;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  margin-right: auto;
}

.search {
  display: flex;
  gap: 6px;
}

.search input[type=search] {
  min-width: 220px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.search button {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.main-nav a, .admin-nav a {
  margin-left: 12px;
  padding: 4px 0;
}

.main-nav a.active, .admin-nav a.active {
  border-bottom: 2px solid var(--accent);
}

.admin-link {
  margin-left: 16px;
  font-weight: 600;
}

/* メイン */
.site-main .inner {
  padding: 20px 16px 40px;
}

/* フッター */
.site-footer {
  border-top: 1px solid var(--line);
  background: #fafafa;
}

.site-footer .inner {
  padding: 20px 16px 40px;
}

.site-footer a {
  text-decoration: none;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 24px;
}

.footer-cols h3 {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.footer-cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-cols li {
  margin: 2px 0;
}

.copyright {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* モバイル調整 */
@media (max-width: 640px) {
  .search input[type=search] {
    min-width: 150px;
  }
  .main-nav {
    width: 100%;
    border-top: 1px solid var(--line);
    padding-top: 6px;
  }
}

/* --- legal / trademark block --- */
.footer-legal {
  margin-top: 12px;
  text-align: center;
  color: #6b7280;
  font-size: 12px;
  line-height: 1.6;
}

.tm-frame {
  display: block;
  width: 100%;
  border: 0;
  margin: 0 auto 4px auto;
  /* ← height 指定なし */
}

.footer-legal .copyright {
  margin: 0;
  color: #6b7280;
  font-size: 12px;
}

.kana-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px 12px;
  list-style: none;
  padding: 0;
}

.kana-grid .pill {
  display: block;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
}

.chip-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px 12px;
}

.chip-list .chip {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  background: #fff;
}

.chip-list .cnt {
  color: var(--muted);
  margin-left: 6px;
  font-size: 12px;
}

/* --- genres index cards --- */
.genre-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px 16px;
}

.genre-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 12px;
}

.genre-title {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.3;
}

.genre-desc {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.genre-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.genre-count {
  font-size: 13px;
  color: var(--muted);
}

.genre-link {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 8px;
  background: #fafafa;
  text-decoration: none;
}

.pager {
  text-align: center;
  margin-top: 1.5em;
}

.callout {
  border: 1px solid var(--line);
  background: #fffdf5;
  padding: 12px 14px;
  border-radius: 10px;
}

.btn {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  background: #fafafa;
}

/* spoiler (ネタバレ防止) */
.spoiler {
  background-color: #333;
  color: #333;
  border-radius: 3px;
  padding: 0 0.2em;
  cursor: help;
  transition: color 0.2s ease;
}

.spoiler:hover,
.spoiler:focus,
.spoiler:active {
  color: #fff;
  /* 背景と反転して見えるように */
}

/* 画像とキャプション */
figure {
  margin: 1em 0;
  text-align: center;
}

figure img {
  max-width: 30em;
  height: auto;
}

figure figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 0.3em;
}

#card-container {
  transition: opacity 0.4s ease;
  opacity: 1;
}

#card-container.fade-out {
  opacity: 0;
}