@import url('https://fonts.googleapis.com/css2?family=Zen+Old+Mincho:wght@400;500;700&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=Noto+Sans+JP:wght@300;400&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --gold: #C9A84C;
  --gold-lt: #E8D5A3;
  --gold-dk: #9A7B2E;
  --ch: #2C2C2C;
  --gray: #5C5956;
  --pt: #B8B3A8;
  --pt-lt: #E4E0D8;
  --bg: #F5F2EC;
  --bg2: #EDEAE2;
  --cream: #FAF7F2;
  --white: #FFFFFF;
}

html, body {
  width: 100%; height: 100%;
  background: #1a1a1a;
  overflow: hidden;
  font-family: 'Zen Old Mincho', serif;
}

/* ─── ステージ（1920×1080固定） ─── */
#stage {
  position: fixed;
  top: 0; left: 0;
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
}

/* ─── スライド共通 ─── */
.slide {
  width: 1920px;
  height: 1080px;
  position: absolute;
  top: 0; left: 0;
  overflow: hidden;
  display: none;
}
.slide.active { display: block; }
.slide-flex.active { display: flex; }
.slide-grid.active { display: grid; }

/* ─── ナビ ─── */
#nav {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--pt-lt);
  border-radius: 40px;
  padding: 10px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
#nav button {
  background: none; border: none; cursor: pointer;
  color: var(--pt);
  font-size: 18px;
  padding: 4px 10px;
  transition: color 0.2s;
  line-height: 1;
}
#nav button:hover { color: var(--gold-dk); }
#slide-counter {
  font-family: 'Crimson Pro', serif;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--pt);
  min-width: 56px;
  text-align: center;
}

/* ─── コメント機能 ─── */
#wf-open-btn{
  position:fixed;right:16px;top:16px;
  width:36px;height:36px;
  background:#2C2C2C;color:#fff;border:none;
  border-radius:8px;cursor:pointer;z-index:9999;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
  box-shadow:0 2px 8px rgba(0,0,0,0.3);
}
#wf-open-btn:hover{background:#111;}
#wf-open-btn svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.8;}
#wf-panel{
  position:fixed;top:0;right:0;width:280px;
  height:100vh;
  background:#1a1a1a;border-left:1px solid #333;
  display:flex;flex-direction:column;z-index:9998;
  font-family:'Noto Sans JP',sans-serif;
  transform:translateX(280px);transition:transform .3s ease;
}
#wf-panel.open{transform:none;}
#wf-panel-header{
  padding:14px 16px;border-bottom:1px solid #2a2a2a;
  display:flex;align-items:center;justify-content:space-between;
  background:#111;flex-shrink:0;
}
.wf-panel-title{font-size:11px;color:#aaa;letter-spacing:0.12em;text-transform:uppercase;}
#wf-panel-header-right{display:flex;align-items:center;gap:8px;}
#wf-count{font-size:11px;color:#ccc;background:#333;padding:2px 8px;border-radius:8px;font-weight:500;}
#wf-close-btn{background:none;border:none;color:#555;font-size:18px;cursor:pointer;padding:0 2px;}
#wf-close-btn:hover{color:#aaa;}
#wf-panel-actions{padding:10px 14px;border-bottom:1px solid #2a2a2a;flex-shrink:0;}
#wf-comment-btn{
  width:100%;background:#2563eb;border:none;color:#fff;
  padding:8px;font-size:11px;cursor:pointer;
  font-family:'Noto Sans JP',sans-serif;
  letter-spacing:0.1em;transition:background .2s;border-radius:999px;
}
#wf-comment-btn:hover{background:#1d4ed8;}
#wf-comment-btn.wf-active{background:#ef4444;}
#wf-panel-list{flex:1;overflow-y:auto;padding:10px 14px;}
.panel-item{background:#242424;padding:10px 12px;margin-bottom:8px;border:1px solid #2a2a2a;}
.panel-item:hover{border-color:#374151;}
.panel-item-header{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.panel-num{width:20px;height:20px;background:#2563eb;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;flex-shrink:0;}
.panel-slide-name{font-size:11px;color:#888;}
.panel-text{font-size:12px;color:#e0e0e0;line-height:1.6;}
.panel-actions{display:flex;gap:6px;margin-top:8px;}
.panel-edit-btn{background:none;border:1px solid #374151;color:#aaa;padding:3px 8px;font-size:11px;cursor:pointer;font-family:'Noto Sans JP',sans-serif;}
.panel-edit-btn:hover{background:#374151;color:#e0e0e0;}
.panel-del-btn{background:none;border:1px solid #5a1a1a;color:#f87171;padding:3px 8px;font-size:11px;cursor:pointer;font-family:'Noto Sans JP',sans-serif;}
.panel-del-btn:hover{background:#5a1a1a;}
.c-edit-textarea{width:100%;background:#111;border:1px solid #2563eb;color:#e0e0e0;font-size:12px;padding:6px 8px;resize:none;font-family:'Noto Sans JP',sans-serif;line-height:1.5;outline:none;margin-top:6px;}
#wf-panel-empty{font-size:12px;color:#555;text-align:center;padding:40px 0;}
#wf-copy-wrap{padding:12px 14px;border-top:1px solid #2a2a2a;flex-shrink:0;}
#wf-copy-btn{width:100%;background:#2C2C2C;border:1px solid #444;color:#e0e0e0;padding:10px 16px;font-size:11px;letter-spacing:0.15em;cursor:pointer;font-family:'Noto Sans JP',sans-serif;transition:background .2s;}
#wf-copy-btn:hover{background:#111;}
.c-pin{position:absolute;width:26px;height:26px;border-radius:50%;transform:translate(-50%,-50%);background:#2563eb;box-shadow:0 2px 8px rgba(0,0,0,0.4);cursor:grab;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;pointer-events:all;z-index:50;transition:transform .15s;}
.c-pin:active{cursor:grabbing;}
.c-pin:hover{transform:translate(-50%,-50%) scale(1.2);}
.c-input-popup{background:#1f2937;border:1px solid #374151;border-radius:10px;padding:14px;box-shadow:0 8px 24px rgba(0,0,0,0.5);min-width:260px;}
.c-input-popup textarea{width:100%;background:#111827;border:1px solid #374151;border-radius:6px;color:#e5e7eb;font-size:13px;padding:8px 10px;resize:none;font-family:'Noto Sans JP',sans-serif;line-height:1.5;outline:none;}
.c-input-popup textarea:focus{border-color:#2563eb;}
.c-input-row{display:flex;gap:8px;margin-top:8px;}
.c-send-btn{background:#2563eb;color:#fff;border:none;border-radius:6px;padding:7px 14px;font-size:12px;cursor:pointer;font-family:'Noto Sans JP',sans-serif;}
.c-cancel-btn{background:#374151;color:#9ca3af;border:none;border-radius:6px;padding:7px 10px;font-size:12px;cursor:pointer;font-family:'Noto Sans JP',sans-serif;}
body.comment-mode #stage{cursor:crosshair;}

/* ─── クリックゾーン ─── */
#click-prev, #click-next {
  position: fixed;
  top: 0; width: 50%; height: 100%;
  cursor: pointer;
  z-index: 50;
}
#click-prev { left: 0; }
#click-next { right: 0; }