:root {
  --bg: #f4f1ea;
  --panel: #fffdf8;
  --ink: #2b2622;
  --ink-dim: #6d645b;
  --rule: #d9d1c3;
  --frame-outer: #8a6f43;
  --frame-inner: #d8c79c;
  --accent: #7a5c2e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17151a;
    --panel: #201d24;
    --ink: #e9e3d8;
    --ink-dim: #a49b8d;
    --rule: #3a343d;
    --frame-outer: #6b5530;
    --frame-inner: #4a3d24;
    --accent: #d5b877;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  line-height: 1.8;
}

header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 1rem;
  border-bottom: 1px solid var(--rule);
}

header h1 {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  letter-spacing: 0.18em;
  font-weight: 500;
}

header .lead { margin: 0; color: var(--ink-dim); font-size: 0.9rem; }

#home-link, nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

#home-link:hover, nav a:hover { text-decoration: underline; }

header nav { margin-left: auto; display: flex; gap: 1rem; align-items: center; }

#fullscreen-btn {
  flex-shrink: 0; width: 26px; height: 26px; padding: 0; border: 1px solid var(--rule);
  background: transparent; color: var(--ink); font-size: 13px; line-height: 1;
  cursor: pointer; touch-action: manipulation;
}

main { padding: clamp(1rem, 4vw, 3rem); max-width: 1200px; margin: 0 auto; }

.day-label {
  margin: 0 0 1.5rem;
  color: var(--ink-dim);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
}

.sort-bar select {
  font-size: 16px;
}

.works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.work { text-align: center; }

.work a { text-decoration: none; color: inherit; display: block; }

/* 額。外枠と内枠の二重で、板の上に掛かっているように見せる */
.frame {
  position: relative;
  padding: clamp(8px, 1.6vw, 14px);
  background: linear-gradient(160deg, var(--frame-outer), var(--frame-inner) 55%, var(--frame-outer));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  transition: transform 0.25s ease;
}

.work a:hover .frame { transform: translateY(-4px); }

.frame img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(0, 0, 0, 0.35);
  background: var(--panel);
}

.plate {
  margin: 0.9rem auto 0;
  max-width: 34ch;
}

.plate .title { font-size: 1.05rem; letter-spacing: 0.06em; }
.plate .meta { color: var(--ink-dim); font-size: 0.82rem; letter-spacing: 0.04em; }

/* 単体表示 */
.work-detail { display: grid; gap: clamp(1.5rem, 4vw, 2.5rem); }

@media (min-width: 900px) {
  .work-detail { grid-template-columns: minmax(0, 1.45fr) minmax(280px, 1fr); align-items: start; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: clamp(1rem, 2.5vw, 1.6rem);
}

.card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.card .caption p { margin: 0 0 0.4rem; }

.card .by { color: var(--ink-dim); font-size: 0.78rem; margin-top: 0.8rem; }

/* 拍手ボタン */
.clap { position: relative; display: flex; align-items: center; gap: 0.7rem; margin: 1.1rem 0 1.4rem; }

.clap-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1.5px solid var(--frame-outer);
  background: var(--panel);
  color: var(--accent);
  --clap-fill: var(--frame-inner);
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.12s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.clap-btn:hover { transform: translateY(-1px); }
.clap-btn:active { transform: translateY(0) scale(0.96); }

.clap-btn.maxed {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--panel);
  --clap-fill: var(--panel);
  box-shadow: 0 0 0 4px var(--frame-inner);
}

.clap-count {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 1rem;
  min-width: 1.4em;
  text-align: left;
}

.clap-hint { color: var(--ink-dim); font-size: 0.76rem; letter-spacing: 0.03em; }

.clap-btn.bump { animation: clap-bump 0.32s ease; }
.clap-btn.shake { animation: clap-shake 0.32s ease; }

@keyframes clap-bump {
  0% { transform: scale(1); }
  35% { transform: scale(1.14) rotate(-4deg); }
  100% { transform: scale(1); }
}

@keyframes clap-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

.clap-pop {
  position: absolute;
  left: 1.6rem;
  top: -0.2rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  pointer-events: none;
  animation: clap-pop 0.7s ease-out forwards;
}

@keyframes clap-pop {
  0% { opacity: 0; transform: translate(0, 0) scale(0.8); }
  15% { opacity: 1; transform: translate(0, -6px) scale(1); }
  100% { opacity: 0; transform: translate(var(--drift, 0px), -30px) scale(1); }
}

/* サムネイルに添える、押せない小さな拍手カウント */
.clap-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--ink-dim);
  font-size: 0.78rem;
  margin-top: 0.35rem;
}

.clap-badge .clap-icon { width: 15px; height: 15px; }
.clap-badge .clap-hand { --clap-fill: transparent; }
.clap-badge-n { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  .clap-btn.bump, .clap-btn.shake, .clap-pop { animation: none; }
}

/* ブックマーク */
.bookmark-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1.5px solid var(--frame-outer);
  background: var(--panel);
  color: var(--accent);
  --bookmark-fill: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  transition: transform 0.12s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.bookmark-btn:hover { transform: translateY(-1px); }
.bookmark-btn:active { transform: translateY(0) scale(0.96); }

.bookmark-btn.on {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--panel);
  --bookmark-fill: var(--panel);
}

.bookmark-icon { display: block; }

/* サムネイルの角に載せる、アイコンだけの小さい版 */
.bookmark-btn.compact {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.4rem;
  border-radius: 50%;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  .bookmark-btn.compact { background: rgba(32, 29, 36, 0.88); }
}

/* .compactと.onが両方付いたとき、地色は.onの塗りつぶしを優先する
   (一覧のサムネイルでブックマーク済みかどうかが分かりにくかったための修正)。 */
.bookmark-btn.compact.on {
  background: var(--accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.45);
}

.bookmark-row { margin: 0 0 1.3rem; }

table.data { width: 100%; border-collapse: collapse; margin-top: 1.2rem; font-size: 0.85rem; }
table.data th, table.data td { text-align: left; padding: 0.35rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data th { color: var(--ink-dim); font-weight: 400; width: 8.5em; }
table.data td.prompt { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.76rem; word-break: break-word; }

footer {
  margin-top: 3rem;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
  color: var(--ink-dim);
  font-size: 0.78rem;
  line-height: 2;
}

.empty { color: var(--ink-dim); }

/* little-bit: focus-visible(2026-08-29追加)
   キーボード操作でいまどこにいるかが見えないアプリが24中20あった
   (サイト品質棚卸し B-5)。:where() で詳細度0にしてあるので、
   個別に focus スタイルを持つ要素はそちらが勝つ。
   色はサイト共通のアクセント(#e8825a)。明るい地でも暗い地でも見える。 */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid #e8825a;
  outline-offset: 2px;
}