#app, #app *{ margin: 0; padding: 0; box-sizing: border-box; }
#app{ font-family: "BIZ UDゴシック", "BIZ UDGothic", "BIZ UD Gothic", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; background-color: #000; color: #fff; overflow: hidden; }
#app .vn-root{ display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
#app .vn-stage-container{ flex: 1; display: flex; align-items: center; justify-content: center; background-color: #000; padding: 20px; }
#app .vn-stage-container.fixed-size{ background-color: #000; }
#app .vn-stage-container.fixed-size .vn-stage{ width: 1100px; height: 619px; max-width: none; }
#app .vn-stage{ width: 100%; max-width: 1400px; aspect-ratio: 16 / 9; position: relative; background-color: #1a1a1a; box-shadow: 0 0 30px rgba(0, 0, 0, 0.8); }
#app .vn-bg{ position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
#app .vn-stage > *:not(.vn-bg){ z-index: 1; }
#app .vn-menu-btn{ position: absolute; top: 20px; left: 20px; width: 55px; height: 55px; background-color: rgba(0, 0, 0, 0.75); color: white; border: 3px solid rgba(255, 255, 255, 0.35); border-radius: 10px; font-size: 1.7rem; font-weight: 300; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.25s; z-index: 100; }
#app .vn-menu-btn:hover{ background-color: rgba(0, 0, 0, 0.92); border-color: rgba(255, 255, 255, 0.65); transform: scale(1.05); }
#app .vn-character-wrap{ position: absolute; bottom: 0 !important; left: 0 !important; z-index: 5; pointer-events: none; height: 100%; }
#app .vn-character-transform{ transform-origin: left bottom; opacity: 1; transition: opacity 0.25s ease-out; }
#app .vn-character{ display: block; max-width: none !important; max-height: 58% !important; height: 58% !important; width: auto !important; object-fit: contain; opacity: 0; transform: translateY(20px); transform-origin: left bottom; transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
#app .vn-character.vn-visible{ opacity: 1; transform: translateY(0); }
#app .vn-textbox{ position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.88)); padding: 25px 50px; border-top: 4px solid #d4af37; z-index: 10; max-height: 75vh; overflow-y: auto; opacity: 0; transition: opacity 0.5s; }
#app .vn-textbox.vn-visible{ opacity: 1; }
#app .vn-speaker{ font-size: 1.2rem; font-weight: 700; color: #d4af37; margin-bottom: 10px; text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.9); }
#app .vn-text{ font-size: 1.2rem; line-height: 1.8; color: #fff; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9); min-height: 50px; }
#app .vn-text .vn-truefalse-btn,
#app .vn-text .vn-letter-box,
#app .vn-text .vn-letter-input,
#app .vn-text .vn-quiz-action-btn,
#app .vn-text .vn-timeline-item,
#app .vn-text .vn-match-right,
#app .vn-text .match-left{ text-shadow: none; }
#app .vn-next{ position: absolute; bottom: 35px; right: 45px; font-size: 2.8rem; color: #d4af37; cursor: pointer; z-index: 15; text-shadow: 0 0 20px rgba(212, 175, 55, 0.9); user-select: none; opacity: 0; }
#app .vn-next.vn-visible{ opacity: 1; animation: vnBlink 1.6s ease-in-out infinite; }
@keyframes vnBlink { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }
#app .vn-choices{ position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: flex; flex-direction: column; gap: 15px; width: 85%; max-width: 800px; max-height: 80vh; overflow-y: auto; z-index: 20; opacity: 0; padding: 20px; }
#app .vn-choices.vn-visible{ opacity: 1; }
#app .vn-quiz-layer{ position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 25; padding: 30px; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
#app .vn-quiz-layer.vn-visible{ opacity: 1; pointer-events: auto; }
#app .vn-quiz-card{ background: rgba(255, 255, 255, 0.96); color: #1e3a5f; border: 4px solid #d4af37; border-radius: 16px; padding: 22px 26px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4); max-width: 900px; width: min(90%, 900px); }
#app .vn-quiz-card .vn-truefalse-btn,
#app .vn-quiz-card .vn-letter-box,
#app .vn-quiz-card .vn-letter-input,
#app .vn-quiz-card .vn-quiz-action-btn,
#app .vn-quiz-card .vn-timeline-item,
#app .vn-quiz-card .vn-match-right,
#app .vn-quiz-card .match-left{ text-shadow: none; }
#app .vn-choice-btn{ background: linear-gradient(135deg, rgba(30, 58, 95, 0.96), rgba(45, 90, 143, 0.96)); color: white; padding: 20px 30px; border: 4px solid #d4af37; border-radius: 12px; font-size: 1.3rem; font-weight: 500; cursor: pointer; transition: all 0.35s; text-align: left; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6); line-height: 1.5; }
#app .vn-choice-btn:hover{ transform: translateX(10px) scale(1.02); border-color: #e5c158; }
#app .vn-truefalse{ display: flex; gap: 20px; justify-content: center; margin-top: 20px; }
#app .vn-truefalse-btn{ width: 160px; height: 160px; font-size: 4rem; font-weight: 700; border-radius: 18px; border: 5px solid #d4af37; background: rgba(255, 255, 255, 0.95); color: #1e3a5f; font-family: inherit; cursor: pointer; }
#app .vn-letter-boxes{ display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 15px; }
#app .vn-letter-box{ width: 44px; height: 52px; border: 3px solid #d4af37; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 700; background: rgba(255, 255, 255, 0.95); color: #1e3a5f; }
#app .vn-letter-input{ width: 100%; padding: 12px 15px; font-size: 1.1rem; border: 3px solid #d4af37; border-radius: 8px; background: rgba(255, 255, 255, 0.95); color: #333; font-family: inherit; }
#app .vn-quiz-action-btn{ padding: 10px 24px; font-size: 1rem; font-weight: 600; border-radius: 8px; border: 2px solid #1e3a5f; background: #ffffff; color: #1e3a5f; cursor: pointer; }
#app .vn-quiz-action-primary{ background: linear-gradient(135deg, #d4af37, #e5c158); border-color: #d4af37; color: #1e3a5f; }
#app .vn-timeline-item{ padding: 12px 16px; background: #ffffff; color: #1e3a5f; border: 2px solid #d4af37; border-radius: 8px; cursor: move; font-size: 1.05rem; font-weight: 600; display: flex; align-items: center; gap: 8px; }
#app .vn-timeline-handle{ color: #4a4a4a; font-size: 0.95rem; }
#app .vn-match-right{ padding: 18px 20px; background: #ffffff; color: #1e3a5f; border: 4px solid #d4af37; border-radius: 12px; cursor: pointer; font-size: 1.3rem; text-align: center; font-weight: 700; min-height: 70px; display: flex; align-items: center; justify-content: center; }
#app .vn-map-wrapper{ position: relative; display: inline-block; max-width: 100%; }
#app .vn-map-image{ width: 100%; max-height: 350px; object-fit: contain; border-radius: 8px; border: 2px solid #d4af37; display: block; }
#app .vn-map-click-container{ overflow: hidden; }
#app .vn-map-lines{ position: absolute; inset: 0; pointer-events: none; z-index: 2; }
#app .vn-map-line{ position: absolute; background: rgba(255, 255, 255, 0.85); pointer-events: none; }
#app .vn-map-line-v{ top: 0; bottom: 0; width: 2px; transform: translateX(-1px); }
#app .vn-map-line-h{ left: 0; right: 0; height: 2px; transform: translateY(-1px); }
#app .vn-map-click-layer{ position: absolute; inset: 0; border: 0; background: transparent; cursor: pointer; }
#app .vn-map-selection-overlay{ position: absolute; pointer-events: none; border: 2px solid transparent; background: transparent; z-index: 1; transition: all 0.18s ease; }
#app .vn-map-selection-overlay.is-selected{ background: rgba(255, 230, 100, 0.35); border-color: rgba(255, 193, 7, 0.95); }
#app .vn-map-selection-overlay.is-correct{ background: rgba(76, 175, 80, 0.36); border-color: #2e7d32; }
#app .vn-map-selection-overlay.is-wrong{ background: rgba(229, 57, 53, 0.34); border-color: #c62828; }
#app .vn-map-click-layer{ z-index: 3; }
#app .vn-map-drag-handles{ position: absolute; inset: 0; z-index: 4; pointer-events: none; display: none; }
#app .vn-map-click-container.is-editing .vn-map-drag-handles{ display: block; pointer-events: auto; }
#app .vn-map-tools{ margin-top: 10px; }
#app .vn-map-edit-btn{ padding: 6px 12px; font-size: 0.9rem; border: 1px solid #1e3a5f; border-radius: 6px; background: #ffffff; color: #1e3a5f; cursor: pointer; }
#app .vn-cross-handle{ position: absolute; width: 18px; height: 18px; border-radius: 50%; border: 2px solid #1e3a5f; background: #ffd54f; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35); transform: translate(-50%, -50%); cursor: grab; }
#app .vn-cross-handle:active{ cursor: grabbing; }
#app .vn-line-handle-x,
#app .vn-line-handle-y{ position: absolute; border: 0; background: transparent; cursor: grab; }
#app .vn-line-handle-x{ top: 0; bottom: 0; width: 22px; transform: translateX(-50%); }
#app .vn-line-handle-y{ left: 0; right: 0; height: 22px; transform: translateY(-50%); }
#app .vn-line-handle-x:active,
#app .vn-line-handle-y:active{ cursor: grabbing; }
#app .vn-map-selection-info{ margin-top: 10px; font-size: 0.95rem; color: #1e3a5f; font-weight: 600; }
#app .vn-correct-overlay{ position: absolute; inset: 0; background: rgba(0, 0, 0, 0.65); display: flex; align-items: center; justify-content: center; z-index: 30; animation: vnCorrectFade 0.35s ease-out; }
#app .vn-correct-card{ background: rgba(255, 255, 255, 0.95); color: #1e3a5f; border: 4px solid #4caf50; border-radius: 16px; padding: 28px 36px; text-align: center; min-width: 320px; max-width: 70%; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); animation: vnCorrectPop 0.5s ease-out; }
#app .vn-correct-title{ font-size: 2.2rem; font-weight: 700; color: #2e7d32; margin-bottom: 8px; }
#app .vn-correct-subtitle{ font-size: 1rem; font-weight: 600; margin-bottom: 12px; color: #1e3a5f; }
#app .vn-correct-feedback{ font-size: 1rem; color: #1e3a5f; line-height: 1.6; }
@keyframes vnCorrectPop { 0% { transform: scale(0.85); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes vnCorrectFade { from { opacity: 0; } to { opacity: 1; } }
#app .vn-incorrect-overlay{ position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7); display: flex; align-items: center; justify-content: center; z-index: 30; animation: vnIncorrectFade 0.35s ease-out; }
#app .vn-incorrect-card{ background: rgba(255, 255, 255, 0.95); color: #5f1e1e; border: 4px solid #e57373; border-radius: 16px; padding: 28px 36px; text-align: center; min-width: 320px; max-width: 70%; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); animation: vnIncorrectPop 0.5s ease-out; }
#app .vn-incorrect-title{ font-size: 2.1rem; font-weight: 700; color: #d32f2f; margin-bottom: 8px; }
#app .vn-incorrect-subtitle{ font-size: 1rem; font-weight: 600; margin-bottom: 12px; color: #5f1e1e; }
#app .vn-incorrect-feedback{ font-size: 1rem; color: #5f1e1e; line-height: 1.6; white-space: pre-line; }
@keyframes vnIncorrectPop { 0% { transform: scale(0.85); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes vnIncorrectFade { from { opacity: 0; } to { opacity: 1; } }
#app .vn-placeholder{ position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: #666; font-size: 1.8rem; text-align: center; }
#app .vn-hidden{ display: none !important; }
@media (max-width: 1024px) { #app .vn-stage-container { padding: 10px; } #app .vn-stage { max-width: 1200px; } }
@media (max-width: 768px) { #app .vn-stage { max-width: 960px; } }


/* ========================================
   UI IMPROVEMENT PATCH 2026-06-01
   電子黒板・小学生操作向け：ボタン位置、入力欄、サイドバー、下部テキストを調整
   ======================================== */
body{background:#eef4fb;color:#1f2a36;}
.vn-header{padding:.55rem .9rem;gap:10px;background:linear-gradient(135deg,#0f4f72 0%,#1687a7 100%);} 
.vn-title{font-size:1rem;white-space:nowrap;}
.vn-header-controls{margin-left:auto;justify-content:flex-end;gap:.35rem;}
.vn-header-controls .vn-btn{min-height:38px;padding:.45rem .75rem;border-radius:999px;font-weight:700;}
.vn-panel-left{width:280px;}
.vn-panel-right{width:360px;}
.vn-panel-header{padding:12px 16px;background:linear-gradient(135deg,#0f4f72 0%,#1687a7 100%);} 
.vn-panel-content{padding:14px;}
.vn-scene-card{padding:11px 12px;margin-bottom:9px;border-radius:12px;}
.vn-scene-card:hover{transform:translateX(2px);} 
.vn-scene-title{font-size:.98rem;line-height:1.45;}
.vn-stage-container{padding:16px;background:linear-gradient(180deg,#f4f8fc 0%,#e8eff7 100%);} 
.vn-stage{border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(15,79,114,.28);}
.vn-main-container.play-mode .vn-stage-container{padding:20px;}
.vn-main-container.play-mode .vn-stage{max-width:min(1400px,96vw);}
.vn-character-wrap{left:4%;bottom:24%;}
.vn-character{max-width:min(30vw,420px);max-height:70vh;filter:drop-shadow(0 10px 18px rgba(0,0,0,.28));}
.vn-textbox{left:3%;right:3%;bottom:3%;border-radius:18px;border:3px solid rgba(255,255,255,.75);border-top:5px solid #d4af37;background:linear-gradient(180deg,rgba(18,43,64,.93),rgba(8,20,34,.96));padding:20px 128px 22px 28px;max-height:34%;box-shadow:0 10px 26px rgba(0,0,0,.38);} 
.vn-speaker{font-size:1.08rem;margin-bottom:6px;}
.vn-text{font-size:1.08rem;line-height:1.75;}
.vn-next{right:5%;bottom:5.2%;width:108px;height:52px;border-radius:999px;background:linear-gradient(135deg,#d4af37,#f2d46b);color:#102b43;border:3px solid rgba(255,255,255,.78);box-shadow:0 8px 18px rgba(0,0,0,.35);font-size:0;display:flex;align-items:center;justify-content:center;text-shadow:none;}
.vn-next::before{content:'次へ ▶';font-size:1.05rem;font-weight:800;letter-spacing:.03em;}
.vn-next.vn-visible{animation:vnPulseBtn 1.5s ease-in-out infinite;}
@keyframes vnPulseBtn{0%,100%{transform:translateY(0);filter:brightness(1)}50%{transform:translateY(-2px);filter:brightness(1.08)}}
.vn-menu-btn,.vn-screen-toggle{top:16px;width:50px;height:50px;border-radius:14px;background:rgba(6,24,40,.76);} 
.vn-exit-btn{top:16px;right:84px;height:50px;border-radius:999px;background:rgba(212,175,55,.92);}
.vn-quiz-layer{align-items:flex-end;justify-content:center;padding:24px 28px 34px;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.36));}
.vn-quiz-card{width:min(94%,980px);max-height:82vh;overflow:auto;border-radius:20px;padding:20px 24px;background:rgba(255,255,255,.97);box-shadow:0 14px 34px rgba(0,0,0,.36);} 
.vn-question-header{margin-bottom:12px;padding:12px 14px;border-radius:14px;background:#eef7ff;}
.vn-question-title{font-size:1.18rem;line-height:1.65;}
.vn-question-hint{background:#fff8df;border-left:5px solid #d4af37;border-radius:12px;padding:10px 12px;color:#5a4612;margin:10px 0 12px;}
.vn-letter-boxes{justify-content:center;gap:10px;margin:12px 0;}
.vn-letter-box{width:54px;height:60px;font-size:1.75rem;border-radius:14px;background:#fffef8;}
.vn-letter-input{font-size:1.35rem;padding:16px 18px;border-radius:14px;text-align:center;font-weight:700;ime-mode:active;}
.vn-keyword-actions{display:flex;gap:12px;margin-top:14px;justify-content:center;}
.vn-quiz-action-btn{min-height:52px;padding:12px 28px;font-size:1.08rem;border-radius:999px;font-weight:800;}
.vn-quiz-action-primary{min-width:220px;}
.vn-keyword-note{margin-top:10px;text-align:center;font-size:.94rem;color:#526477;}
.vn-choice-btn{padding:17px 24px;border-radius:16px;font-size:1.18rem;}
.vn-correct-card,.vn-incorrect-card{border-radius:22px;max-width:min(84%,760px);} 
.vn-graph-image,.vn-map-image{max-height:300px;background:#fff;}
@media (max-width:1100px){.vn-panel-left{width:240px}.vn-panel-right{width:310px}.vn-title{display:none}.vn-header-controls .vn-btn{font-size:.78rem;padding:.4rem .55rem}.vn-textbox{padding-right:110px}.vn-next{width:96px}}
@media (max-width:820px){.vn-main-container{display:block;overflow:auto}.vn-panel{width:100%;max-height:38vh}.vn-stage-container{min-height:56vh}.vn-textbox{left:2%;right:2%;bottom:2%;padding:14px 92px 14px 16px}.vn-text{font-size:.95rem}.vn-next{right:4%;bottom:4%;width:82px;height:44px}.vn-next::before{font-size:.9rem}.vn-quiz-layer{padding:12px}.vn-quiz-card{width:98%;padding:16px}.vn-letter-box{width:42px;height:50px}}


/* ========================================
   MATERIAL SCENE FIX 2026-06-01
   資料画像の二重表示を防ぎ、説明文は下部の短い帯にする
   ======================================== */
#app .vn-stage.vn-scene-material .vn-textbox,
.vn-stage.vn-scene-material .vn-textbox{
  left: 4% !important;
  right: 4% !important;
  bottom: 3% !important;
  max-height: 48% !important;
  padding: 16px 128px 16px 24px !important;
  border-radius: 16px !important;
  background: linear-gradient(180deg, rgba(8,22,34,.70), rgba(6,16,26,.82)) !important;
  border: 2px solid rgba(255,255,255,.55) !important;
  border-top: 4px solid #d4af37 !important;
  overflow-y: auto !important;
}
#app .vn-stage.vn-scene-material .vn-speaker,
.vn-stage.vn-scene-material .vn-speaker{
  font-size: 1.05rem !important;
  margin-bottom: 4px !important;
}
#app .vn-stage.vn-scene-material .vn-text,
.vn-stage.vn-scene-material .vn-text{
  min-height: 0 !important;
  font-size: 1.02rem !important;
  line-height: 1.55 !important;
}
#app .vn-material-inline-image,
.vn-material-inline-image{
  display: block;
  max-width: 100%;
  max-height: 42vh;
  margin: 0 auto 12px;
  object-fit: contain;
  border-radius: 12px;
  border: 2px solid rgba(255,255,255,.8);
}
#app .vn-stage.vn-scene-material .vn-next,
.vn-stage.vn-scene-material .vn-next{
  bottom: 4.5% !important;
}


/* ========================================
   NEXT BUTTON COMPACT PATCH 2026-06-01
   「次へ」が大きく表示される問題を修正
   ======================================== */
#app .vn-textbox{ padding-right: 96px !important; }
#app .vn-next,
.vn-next{
  right: 4.2% !important;
  bottom: 4.2% !important;
  width: 72px !important;
  height: 38px !important;
  min-width: 72px !important;
  min-height: 38px !important;
  padding: 0 !important;
  border-radius: 999px !important;
  background: rgba(212,175,55,.92) !important;
  border: 2px solid rgba(255,255,255,.72) !important;
  box-shadow: 0 4px 10px rgba(0,0,0,.30) !important;
  color: transparent !important;
  font-size: 0 !important;
  line-height: 1 !important;
  text-shadow: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
}
#app .vn-next::before,
.vn-next::before{
  content: '次へ' !important;
  color: #102b43 !important;
  font-size: .86rem !important;
  font-weight: 800 !important;
  letter-spacing: .02em !important;
  line-height: 1 !important;
}
#app .vn-next::after,
.vn-next::after{
  content: '▶' !important;
  color: #102b43 !important;
  font-size: .78rem !important;
  font-weight: 800 !important;
  margin-left: 4px !important;
  line-height: 1 !important;
}
#app .vn-next.vn-visible,
.vn-next.vn-visible{ animation: vnPulseBtnSmall 1.7s ease-in-out infinite !important; }
@keyframes vnPulseBtnSmall{0%,100%{transform:translateY(0);filter:brightness(1)}50%{transform:translateY(-1px);filter:brightness(1.05)}}
#app .vn-stage.vn-scene-material .vn-textbox,
.vn-stage.vn-scene-material .vn-textbox{ padding-right: 96px !important; }
#app .vn-stage.vn-scene-material .vn-next,
.vn-stage.vn-scene-material .vn-next{
  right: 4.6% !important;
  bottom: 4.0% !important;
}
@media (max-width:820px){
  #app .vn-textbox{ padding-right: 78px !important; }
  #app .vn-next,.vn-next{ width:62px !important;height:34px !important;min-width:62px !important;min-height:34px !important; }
  #app .vn-next::before,.vn-next::before{ font-size:.78rem !important; }
  #app .vn-next::after,.vn-next::after{ font-size:.70rem !important; margin-left:3px !important; }
}

/* 背景クリック表示トグル */
#app .vn-textbox-peek{ opacity: 0 !important; pointer-events: none !important; transition: opacity 0.2s !important; }
#app .vn-quiz-bg-hidden{ opacity: 0 !important; pointer-events: none !important; transition: opacity 0.2s !important; }

/* ========================================
   IMAGE CHOICE カルーセル
   ======================================== */
#app .vn-image-choice-card {
  display: flex !important;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 20px !important;
}
#app .vn-image-choice-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}
#app .vn-image-choice-display {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
#app .vn-image-choice-img {
  max-width: 100%;
  max-height: 55vh;
  border-radius: 8px;
  border: 2px solid rgba(212,175,55,.5);
  object-fit: contain;
}
#app .vn-image-choice-counter {
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  font-weight: 600;
}
#app .vn-image-nav {
  background: rgba(212,175,55,.85);
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  color: #102b43;
  cursor: pointer;
  flex-shrink: 0;
  font-weight: 800;
  transition: background .15s;
}
#app .vn-image-nav:hover { background: rgba(212,175,55,1); }
#app .vn-image-choice-submit {
  margin-top: 4px;
  padding: 10px 32px !important;
  font-size: 1rem !important;
}

/* ========================================
   画像付きクイズ選択肢レイアウト
   ======================================== */
#app .vn-quiz-image-choice-card {
  display: flex !important;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px 16px !important;
  max-height: 92vh;
  overflow-y: auto;
}
#app .vn-quiz-inline-image {
  width: 100%;
  max-height: 42vh;
  object-fit: contain;
  border-radius: 8px;
  border: 2px solid rgba(212,175,55,.4);
}
#app .vn-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}
#app .vn-choice-btn-grid {
  padding: 12px 8px !important;
  font-size: .9rem !important;
  border-radius: 10px !important;
  min-height: 48px;
  text-align: center;
}

/* ========================================
   エンディング得点オーバーレイ
   ======================================== */
@keyframes vnFadeIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

/* ===== image_order ===== */
.vn-image-order-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.vn-image-order-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 10px;
  border: 3px solid #c0cfe0;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  overflow: hidden;
}
.vn-image-order-photo {
  width: 100%;
  aspect-ratio: 16 / 11;
  background-color: #eef3f8;
}
.vn-image-order-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  background: #fff;
  border-top: 1px solid #e2e8f0;
}
.vn-image-order-text {
  font-size: 0.82rem;
  text-align: center;
  line-height: 1.3;
  color: #1e3a5f;
  font-weight: 700;
}
.vn-image-order-cell:hover {
  border-color: #d4af37;
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.vn-image-order-cell.vn-image-order-selected {
  border-color: #d4af37;
  box-shadow: 0 0 0 2px #d4af37, 0 4px 12px rgba(212,175,55,0.35);
}
.vn-image-order-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  width: 30px;
  height: 30px;
  background: #d4af37;
  color: #1e3a5f;
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.vn-image-order-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  justify-content: center;
  position: sticky;
  bottom: 0;
  background: rgba(255,255,255,0.97);
  padding: 10px 0 4px;
}

/* --- 米作りの盛んな地域 第１次 用の追加スタイル --- */
/* narration の payload.mission（ミッション文）表示 */
.vn-mission-line {
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(212, 175, 55, 0.16);
  border: 2px dashed #d4af37;
  border-radius: 10px;
  font-size: 0.95rem;
  color: #ffe9a8;
  line-height: 1.5;
}

/* reflection の payload.keywords（書く手がかり）表示 */
.vn-keyword-hints {
  margin-top: 10px;
}
.vn-keyword-hints-label {
  font-size: 0.85rem;
  color: #d4af37;
  font-weight: 700;
  margin-bottom: 6px;
}
.vn-keyword-hints-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.vn-keyword-chip {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.6);
  border-radius: 999px;
  font-size: 0.85rem;
  color: #fff;
}

/* image_order ヒントセル（ロック済み）スタイル */
.vn-image-order-hint-locked {
  cursor: default !important;
  outline: 3px solid #d4af37;
  outline-offset: -3px;
}
.vn-image-order-hint-locked .vn-image-order-photo {
  opacity: 0.85;
}
.vn-image-order-badge-hint {
  background: linear-gradient(135deg, #d4af37, #e5c158) !important;
  color: #1e3a5f !important;
  font-size: 0.85rem !important;
}

/* image_order ヒントストリップ（上部固定表示エリア） */
.vn-image-order-hint-strip {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 8px 4px 12px;
  margin-bottom: 10px;
  border-bottom: 2px dashed rgba(212,175,55,0.5);
}
.vn-image-order-hint-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  position: relative;
  min-width: 64px;
}
.vn-image-order-hint-num {
  background: linear-gradient(135deg, #d4af37, #e5c158);
  color: #1e3a5f;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}
.vn-image-order-hint-photo {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  border: 2px solid #d4af37;
  background-color: rgba(255,255,255,0.06);
}
.vn-image-order-hint-label {
  font-size: 0.68rem;
  color: #ffe9a8;
  font-weight: 600;
  text-align: center;
  max-width: 68px;
  line-height: 1.3;
}

/* 4列グリッド内ヒントセル */
.vn-image-order-hint-locked {
  cursor: default !important;
  border: 3px solid #b8891a !important;
  background-color: rgba(212,175,55,0.18) !important;
  box-shadow: none !important;
}
.vn-image-order-hint-locked:hover {
  transform: none !important;
  border-color: #b8891a !important;
}
.vn-image-order-badge-hint {
  background: #b8891a !important;
  color: #fff !important;
  font-size: 0.7rem !important;
  width: auto !important;
  padding: 3px 7px;
  border-radius: 999px;
  height: auto !important;
  line-height: 1 !important;
  top: 5px !important;
  left: 5px !important;
}
.vn-image-order-caption {
  padding: 6px 4px;
}

/* 確定済みヒントセル：トップバナー形式 */
.vn-image-order-hint-banner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  background: #b8891a;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
  padding: 4px 0;
  letter-spacing: 0.04em;
  border-radius: 6px 6px 0 0;
}

/* ========================================
   POINT CARDS MATERIAL PATCH 2026-07-05
   JSON: payload.style="point_cards" / payload.cards をカード型ポイント画面として表示
   ======================================== */
#app .vn-stage.vn-material-point-cards .vn-bg,
.vn-stage.vn-material-point-cards .vn-bg{
  filter: brightness(.58) saturate(.92);
}
#app .vn-stage.vn-material-point-cards .vn-textbox,
.vn-stage.vn-material-point-cards .vn-textbox{
  left: 50% !important;
  right: auto !important;
  top: 50% !important;
  bottom: auto !important;
  transform: translate(-50%, -50%) !important;
  width: min(88%, 980px) !important;
  max-height: 82% !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 26px !important;
  background: transparent !important;
  box-shadow: none !important;
  overflow: visible !important;
}
#app .vn-stage.vn-material-point-cards .vn-speaker,
.vn-stage.vn-material-point-cards .vn-speaker{
  display: none !important;
}
#app .vn-stage.vn-material-point-cards .vn-text,
.vn-stage.vn-material-point-cards .vn-text{
  min-height: 0 !important;
  font-size: 1rem !important;
  line-height: 1.45 !important;
  color: #17304a !important;
  text-shadow: none !important;
}
#app .vn-point-board,
.vn-point-board{
  position: relative;
  width: 100%;
  padding: 24px 28px 26px;
  border: 5px solid #d4af37;
  border-radius: 26px;
  background:
    radial-gradient(circle at 12% 16%, rgba(255,255,255,.92), rgba(255,255,255,0) 24%),
    linear-gradient(180deg, #fffaf0 0%, #fff4cf 100%);
  box-shadow: 0 18px 42px rgba(0,0,0,.42);
  overflow: hidden;
}
#app .vn-point-board::before,
.vn-point-board::before{
  content: '';
  position: absolute;
  inset: 12px;
  border: 2px dashed rgba(180,126,18,.34);
  border-radius: 18px;
  pointer-events: none;
}
#app .vn-point-kicker,
.vn-point-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2d5a8f, #1687a7);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: .04em;
  box-shadow: 0 5px 12px rgba(22,135,167,.28);
}
#app .vn-point-subtitle,
.vn-point-subtitle{
  margin: 14px 0 18px;
  color: #102b43;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: .03em;
  line-height: 1.25;
}
#app .vn-point-cards,
.vn-point-cards{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  position: relative;
  z-index: 1;
}
#app .vn-point-card-item,
.vn-point-card-item{
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 12px;
  row-gap: 8px;
  min-height: 150px;
  padding: 16px 16px 15px;
  border: 3px solid rgba(45,90,143,.18);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 7px 14px rgba(23,48,74,.10);
}
#app .vn-point-card-icon,
.vn-point-card-icon{
  grid-row: 1 / span 2;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #d4af37, #f4d66d);
  color: #102b43;
  border: 3px solid #fff;
  box-shadow: 0 5px 12px rgba(0,0,0,.16);
  font-size: 1.15rem;
  font-weight: 1000;
  line-height: 1;
}
#app .vn-point-card-label,
.vn-point-card-label{
  color: #0f4f72;
  font-size: 1.45rem;
  font-weight: 1000;
  line-height: 1.2;
  border-bottom: 3px solid rgba(212,175,55,.42);
  padding-bottom: 6px;
}
#app .vn-point-card-list,
.vn-point-card-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
#app .vn-point-card-list li,
.vn-point-card-list li{
  position: relative;
  padding-left: 1.25em;
  color: #17304a;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.35;
}
#app .vn-point-card-list li::before,
.vn-point-card-list li::before{
  content: '●';
  position: absolute;
  left: 0;
  top: .05em;
  color: #d4af37;
  font-size: .85em;
}
#app .vn-point-important,
.vn-point-important{
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding: 13px 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(45,90,143,.10), rgba(22,135,167,.14));
  border: 3px solid rgba(45,90,143,.18);
  color: #102b43;
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.45;
}
#app .vn-point-important span,
.vn-point-important span{
  display: inline-block;
  margin-right: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #102b43;
  color: #fff;
  font-size: .9rem;
  font-weight: 900;
}
#app .vn-stage.vn-material-point-cards .vn-next,
.vn-stage.vn-material-point-cards .vn-next{
  right: 7.5% !important;
  bottom: 8.0% !important;
  z-index: 16 !important;
}
@media (max-width: 820px){
  #app .vn-stage.vn-material-point-cards .vn-textbox,
  .vn-stage.vn-material-point-cards .vn-textbox{
    width: 94% !important;
    max-height: 88% !important;
    overflow-y: auto !important;
  }
  #app .vn-point-board,
  .vn-point-board{ padding: 18px 16px 22px; }
  #app .vn-point-subtitle,
  .vn-point-subtitle{ font-size: 1.35rem; margin: 10px 0 12px; }
  #app .vn-point-cards,
  .vn-point-cards{ grid-template-columns: 1fr; gap: 10px; }
  #app .vn-point-card-item,
  .vn-point-card-item{ min-height: auto; padding: 12px; grid-template-columns: 48px 1fr; }
  #app .vn-point-card-icon,
  .vn-point-card-icon{ width: 46px; height: 46px; border-radius: 14px; font-size: .95rem; }
  #app .vn-point-card-label,
  .vn-point-card-label{ font-size: 1.15rem; }
  #app .vn-point-card-list li,
  .vn-point-card-list li{ font-size: .98rem; }
  #app .vn-point-important,
  .vn-point-important{ font-size: 1rem; }
}

/* ========================================
   POINT CARDS MATERIAL PATCH v2 2026-07-05
   キャッシュ対策＋通常material帯より強く上書き
   ======================================== */
#app .vn-stage.vn-scene-material.vn-material-point-cards .vn-textbox,
#app .vn-stage.vn-material-point-cards .vn-textbox,
.vn-stage.vn-scene-material.vn-material-point-cards .vn-textbox,
.vn-stage.vn-material-point-cards .vn-textbox{
  left: 50% !important;
  right: auto !important;
  top: 50% !important;
  bottom: auto !important;
  transform: translate(-50%, -50%) !important;
  width: min(90%, 980px) !important;
  max-height: 84% !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 28px !important;
  background: transparent !important;
  box-shadow: none !important;
  overflow: visible !important;
}
#app .vn-stage.vn-scene-material.vn-material-point-cards .vn-speaker,
#app .vn-stage.vn-material-point-cards .vn-speaker,
.vn-stage.vn-scene-material.vn-material-point-cards .vn-speaker,
.vn-stage.vn-material-point-cards .vn-speaker{
  display: none !important;
}
#app .vn-stage.vn-scene-material.vn-material-point-cards .vn-text,
#app .vn-stage.vn-material-point-cards .vn-text,
.vn-stage.vn-scene-material.vn-material-point-cards .vn-text,
.vn-stage.vn-material-point-cards .vn-text{
  color: #17304a !important;
  text-shadow: none !important;
  font-size: 1rem !important;
  line-height: 1.45 !important;
  min-height: 0 !important;
}
#app .vn-stage.vn-material-point-cards .vn-bg,
.vn-stage.vn-material-point-cards .vn-bg{
  filter: brightness(.55) saturate(.9) !important;
}
#app .vn-point-board,
.vn-point-board{
  position: relative !important;
  width: 100% !important;
  padding: 24px 28px 26px !important;
  border: 5px solid #d4af37 !important;
  border-radius: 28px !important;
  background: linear-gradient(180deg, #fffaf0 0%, #fff1c4 100%) !important;
  box-shadow: 0 18px 44px rgba(0,0,0,.45) !important;
  overflow: hidden !important;
}
#app .vn-point-kicker,
.vn-point-kicker{
  display: inline-flex !important;
  align-items: center !important;
  padding: 7px 18px !important;
  border-radius: 999px !important;
  background: linear-gradient(135deg, #2d5a8f, #1687a7) !important;
  color: #fff !important;
  font-size: 1.15rem !important;
  font-weight: 900 !important;
}
#app .vn-point-subtitle,
.vn-point-subtitle{
  margin: 14px 0 18px !important;
  color: #102b43 !important;
  font-size: 2rem !important;
  font-weight: 900 !important;
  line-height: 1.25 !important;
}
#app .vn-point-cards,
.vn-point-cards{
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)) !important;
  gap: 14px !important;
}
#app .vn-point-card-item,
.vn-point-card-item{
  display: grid !important;
  grid-template-columns: 56px 1fr !important;
  grid-template-rows: auto 1fr !important;
  column-gap: 12px !important;
  row-gap: 8px !important;
  min-height: 150px !important;
  padding: 16px !important;
  border: 3px solid rgba(45,90,143,.20) !important;
  border-radius: 20px !important;
  background: rgba(255,255,255,.92) !important;
  box-shadow: 0 7px 14px rgba(23,48,74,.12) !important;
}
#app .vn-point-card-icon,
.vn-point-card-icon{
  grid-row: 1 / span 2 !important;
  width: 54px !important;
  height: 54px !important;
  border-radius: 18px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: linear-gradient(135deg, #d4af37, #f4d66d) !important;
  color: #102b43 !important;
  border: 3px solid #fff !important;
  font-size: 1.15rem !important;
  font-weight: 1000 !important;
}
#app .vn-point-card-label,
.vn-point-card-label{
  color: #0f4f72 !important;
  font-size: 1.45rem !important;
  font-weight: 1000 !important;
  line-height: 1.2 !important;
  border-bottom: 3px solid rgba(212,175,55,.42) !important;
  padding-bottom: 6px !important;
}
#app .vn-point-card-list,
.vn-point-card-list{
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 7px !important;
}
#app .vn-point-card-list li,
.vn-point-card-list li{
  position: relative !important;
  padding-left: 1.25em !important;
  color: #17304a !important;
  font-size: 1.08rem !important;
  font-weight: 800 !important;
  line-height: 1.35 !important;
}
#app .vn-point-card-list li::before,
.vn-point-card-list li::before{
  content: '●' !important;
  position: absolute !important;
  left: 0 !important;
  top: .05em !important;
  color: #d4af37 !important;
  font-size: .85em !important;
}
#app .vn-point-important,
.vn-point-important{
  margin-top: 16px !important;
  padding: 13px 16px !important;
  border-radius: 16px !important;
  background: linear-gradient(135deg, rgba(45,90,143,.10), rgba(22,135,167,.14)) !important;
  border: 3px solid rgba(45,90,143,.18) !important;
  color: #102b43 !important;
  font-size: 1.18rem !important;
  font-weight: 900 !important;
  line-height: 1.45 !important;
}
#app .vn-point-important span,
.vn-point-important span{
  display: inline-block !important;
  margin-right: 10px !important;
  padding: 4px 10px !important;
  border-radius: 999px !important;
  background: #102b43 !important;
  color: #fff !important;
  font-size: .9rem !important;
  font-weight: 900 !important;
}
#app .vn-stage.vn-scene-material.vn-material-point-cards .vn-next,
#app .vn-stage.vn-material-point-cards .vn-next,
.vn-stage.vn-scene-material.vn-material-point-cards .vn-next,
.vn-stage.vn-material-point-cards .vn-next{
  right: 7.5% !important;
  bottom: 8% !important;
  z-index: 20 !important;
}
@media (max-width:820px){
  #app .vn-stage.vn-material-point-cards .vn-textbox,
  .vn-stage.vn-material-point-cards .vn-textbox{ width:94% !important; max-height:88% !important; overflow-y:auto !important; }
  #app .vn-point-board,.vn-point-board{ padding:18px 16px 22px !important; }
  #app .vn-point-subtitle,.vn-point-subtitle{ font-size:1.35rem !important; margin:10px 0 12px !important; }
  #app .vn-point-cards,.vn-point-cards{ grid-template-columns:1fr !important; gap:10px !important; }
  #app .vn-point-card-item,.vn-point-card-item{ min-height:auto !important; padding:12px !important; grid-template-columns:48px 1fr !important; }
  #app .vn-point-card-icon,.vn-point-card-icon{ width:46px !important; height:46px !important; border-radius:14px !important; font-size:.95rem !important; }
  #app .vn-point-card-label,.vn-point-card-label{ font-size:1.18rem !important; }
  #app .vn-point-card-list li,.vn-point-card-list li{ font-size:.98rem !important; }
}

/* 水産業版 v1.1：元シリーズの見た目を維持するための画面収まり・教材拡張 */
html,body{margin:0;padding:0;height:100%;background:#000}
#app{height:100dvh}
#app button,#app input,#app textarea,#app select{font-family:inherit}
#app button:focus-visible,#app input:focus-visible,#app textarea:focus-visible,#app select:focus-visible,#app summary:focus-visible{outline:3px solid #1687a7;outline-offset:3px}
#app .vn-root{height:100dvh;min-height:0}
#app .vn-stage-container{min-height:0;padding:12px;overflow:hidden}
#app .vn-stage{width:min(100%,calc((100dvh - 24px) * 16 / 9));height:auto;aspect-ratio:16/9;max-width:1400px;flex-shrink:0;container-type:size}
#app .vn-stage>.vn-bg{z-index:0;background-color:#1a1a1a}
#app .vn-stage>.vn-character-wrap{z-index:5}
#app .vn-stage>.vn-textbox{z-index:10}
#app .vn-stage>.vn-next{z-index:15}
#app .vn-stage>.vn-choices{z-index:20}
#app .vn-stage>.vn-quiz-layer{z-index:25}
#app .vn-stage>.vn-correct-overlay,#app .vn-stage>.vn-incorrect-overlay{z-index:30}
#app .vn-stage>.vn-menu-btn{z-index:40;width:44px;height:44px;top:12px;left:12px}
#app .vn-textbox{max-height:48%;padding:20px 100px 22px 28px}
#app .vn-text{font-size:clamp(16px,2cqw,23px);line-height:1.8}
#app .vn-speaker{font-size:clamp(16px,2cqw,22px)}
#app .vn-stage.vn-scene-material .vn-bg.vn-data-background{background-size:contain;background-repeat:no-repeat;bottom:32%;background-color:#f7fbfc}
#app .vn-stage.vn-scene-material .vn-textbox{max-height:30%!important}
#app .vn-quiz-layer{padding:22px 28px;max-height:100%}
#app .vn-quiz-card{width:min(90%,900px);max-height:100%;overflow:auto;padding:20px 24px}
#app .vn-question-header{padding:10px 14px;margin-bottom:12px}
#app .vn-question-title{font-size:clamp(16px,2cqw,23px);line-height:1.55}
#app .vn-choice-btn{padding:14px 20px;font-size:clamp(16px,1.9cqw,22px)}
#app .vn-choice-btn:hover{transform:translateX(3px)}
#app .vn-series-tools{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}
#app .vn-series-tools button{font-size:14px;min-height:36px;padding:6px 14px}
#app .vn-timeline-item>span:nth-child(2){flex:1}
#app .vn-timeline-item{padding:8px 12px;font-size:clamp(15px,1.7cqw,20px)}
#app .vn-timeline-item button{padding:4px 12px;min-height:36px;font-size:20px}
#app .vn-timeline-item button:disabled{opacity:.4;cursor:default}
#app .vn-graph-image{display:block;width:100%;object-fit:contain;max-height:42cqh}
#app .vn-split{display:grid;gap:12px}
#app .vn-split-right input{min-width:0;width:100%}
#app .vn-kyushu-tiles{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,minmax(48px,9cqh));gap:10px;max-width:580px;margin:16px auto}
#app .vn-kyushu-tiles button{background:#e2efdf;border:3px solid #d4af37;font-size:18px;padding:8px}
#app .vn-small-note{font-size:13px;line-height:1.6;margin-top:8px}
#app .vn-input-note{margin-top:12px;padding:10px;background:#fff5d9;color:#714811;border-left:4px solid #d4af37;font-size:16px}
#app .vn-reflection-input{display:block;width:100%;min-height:85px;max-height:160px;padding:12px;margin-top:12px;background:rgba(255,255,255,.97);color:#1e3a5f;border:3px solid #d4af37;border-radius:8px;font-size:17px;line-height:1.6;resize:vertical}
#app .vn-stage.vn-scene-reflection .vn-textbox{max-height:80%}
#app .vn-data-table,#app .vn-source-list{font-size:13px;margin-top:8px;text-shadow:none}
#app summary{cursor:pointer;padding:6px 0;font-weight:700}
#app .vn-source-list a{display:block;color:inherit;overflow-wrap:anywhere;margin:8px 0}
#app table{width:100%;border-collapse:collapse;background:#fff;color:#1e3a5f;margin:8px 0}
#app th,#app td{padding:8px;border:1px solid #bacbd8;text-align:left}
#app .vn-series-dialog{position:fixed;inset:0;margin:auto;width:min(92vw,850px);max-height:90dvh;padding:26px;border:4px solid #d4af37;border-radius:16px;background:#fff;color:#1e3a5f;overflow:auto}
#app .vn-series-dialog::backdrop{background:rgba(0,0,0,.7)}
#app .vn-series-dialog h2{font-size:22px;margin:0 0 14px;padding-right:75px}
#app .vn-series-dialog h3{margin-top:16px}
#app .vn-series-dialog p{margin:12px 0;white-space:pre-wrap;line-height:1.8}
#app .vn-series-dialog img{width:100%;max-height:48dvh;object-fit:contain}
#app .vn-series-dialog button{margin:8px 8px 8px 0;min-height:40px;padding:8px 16px}
#app .vn-series-dialog .vn-dialog-close{position:absolute;right:14px;top:10px}
#app .vn-series-dialog details{padding:10px 0;border-top:1px solid #ddd;margin-top:12px}
#app .vn-series-dialog details>button{display:block}
#app .vn-series-dialog select{width:100%;padding:10px;font-size:16px}
#app #vn-score-overlay{position:absolute;inset:0;z-index:25;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);padding:20px}
#app .vn-series-ending{max-width:85%;max-height:100%;overflow:auto;background:rgba(15,30,58,.92);border:3px solid #d4af37;border-radius:20px;padding:28px 40px;text-align:center;color:#fff}
#app .vn-series-ending ul{padding:16px 20px;text-align:left;line-height:1.7;font-size:16px}
#app .vn-series-ending button{margin:8px;padding:10px 18px;background:#d4af37}
#app .vn-series-score{font-size:40px;font-weight:bold;margin:12px 0}
#app .vn-series-score small{font-size:20px}
@media(max-width:650px) and (orientation:portrait){
 #app .vn-stage-container{padding:0}
 #app .vn-stage{width:100%;height:100%;aspect-ratio:auto;border-radius:0}
 #app .vn-quiz-layer{padding:64px 10px 16px}
 #app .vn-quiz-card{width:100%;padding:16px 12px}
 #app .vn-textbox{padding:18px 88px 20px 18px;max-height:70%}
 #app .vn-stage.vn-scene-material .vn-bg.vn-data-background{bottom:40%}
 #app .vn-stage.vn-scene-material .vn-textbox{max-height:38%!important}
 #app .vn-correct-card,#app .vn-incorrect-card{min-width:0;max-width:94%;padding:24px}
 #app .vn-series-ending{max-width:100%;padding:24px 18px}
 #app .match-left,#app .vn-match-right{font-size:16px!important;padding:12px!important;min-height:52px!important}
}
@media(prefers-reduced-motion:reduce){#app *,#app *::before,#app *::after{animation:none!important;transition:none!important}}

/* 県境タップ問題も既存シリーズの問題カード内へ配置。 */
#app .vn-map-select-card{padding:16px 20px}
#app .vn-shared-map-host{--sjm-height:clamp(280px,64cqh,600px);margin:6px 0}
#app .vn-shared-map-host .sjm-status,#app .vn-shared-map-host .sjm-credit{margin:3px 0;font-size:12px;line-height:1.4}
#app .vn-shared-map-host .sjm-credit{font-size:10px}

/* ノーミスクリア後の制限時間付きタイピング */
#app .vn-series-ending button.vn-typing-unlock{display:block;margin:16px auto;background:linear-gradient(135deg,#d4af37,#f6df82);border:2px solid #fff1b2;box-shadow:0 0 18px #d4af3740;font-weight:800}
#app .vn-typing-dialog{max-width:1080px;text-align:center;padding:24px;color:#17365d;background:linear-gradient(180deg,#f7fcff 0,#fff 100%)}
#app .vn-typing-dialog h2{text-align:left;font-size:20px;padding-right:80px}
#app .vn-typing-body{max-width:940px;margin:auto}
#app .vn-typing-mission{margin:8px auto 14px;padding:18px;border-radius:18px;background:linear-gradient(135deg,#0876b9,#12a6c5);color:#fff;font-size:clamp(20px,3vw,30px);font-weight:900;box-shadow:0 8px 20px #0876b92b}
#app .vn-countdown{display:grid;place-items:center;min-height:340px;margin:0;font-size:clamp(72px,16vw,150px);font-weight:1000;color:#0876b9;animation:vn-count-pop .65s ease-in-out infinite}
#app .vn-typing-head{position:absolute;z-index:5;top:10px;left:12px;right:12px;display:flex;justify-content:space-between;gap:12px;padding:8px;border:1px solid #75b5d355;border-radius:14px;background:#051f35d9;box-shadow:0 5px 16px #00152366;font-weight:bold;font-size:18px}
#app .vn-typing-timer{background:#1e3a5f;color:white;padding:8px 16px;border-radius:10px;font-variant-numeric:tabular-nums}
#app .vn-typing-timer.vn-time-low{background:#ae361e;animation:vn-timer-pulse .8s ease-in-out infinite alternate}
#app .vn-typing-count{padding:8px}
#app .vn-typing-count,#app .vn-live-score,#app .vn-typing-combo{display:grid;place-items:center;min-height:42px;padding:7px 12px;border-radius:10px;background:#eaf6fb;color:#164f70;font-weight:900}
#app .vn-live-score{background:#fff5cf;color:#795700}
#app .vn-typing-combo{background:#fff0e5;color:#a3470c}
#app .vn-fall-field{position:relative;height:clamp(420px,62vh,610px);overflow:hidden;margin:4px 0 12px;border:3px solid #1e5578;border-radius:16px;background:linear-gradient(180deg,#092944 0%,#0b4263 55%,#11647b 100%);box-shadow:inset 0 0 35px #001828aa}
#app .vn-fall-field::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 54px,#ffffff0b 55px 56px);pointer-events:none}
#app .vn-falling-word{position:absolute;top:78px;left:50%;z-index:2;max-width:80%;padding:10px 22px;border:3px solid #8fd8ff;border-radius:12px;background:#f9fdff;color:#0a4770;font-size:clamp(25px,4vw,42px);font-weight:1000;line-height:1.25;white-space:nowrap;box-shadow:0 6px 0 #0a263b88,0 0 18px #69cfff55;will-change:transform}
#app .vn-falling-word.is-warning{border-color:#ffd85e;background:#fff9da;color:#725100;box-shadow:0 6px 0 #3b2b0a88,0 0 20px #ffd85e66}
#app .vn-falling-word.is-danger{border-color:#ff7568;background:#fff0ed;color:#9c2519;box-shadow:0 6px 0 #4e150f88,0 0 24px #ff514477}
#app .vn-danger-line{position:absolute;left:0;right:0;bottom:0;height:17px;border-top:4px solid #ff5d4d;background:#6e1717;color:#fff;font-size:11px;font-weight:900;line-height:13px;letter-spacing:.16em}
#app .vn-catch-flash{position:absolute;inset:0;z-index:5;display:grid;place-items:center;background:#5effb328;color:#eafff5;font-size:clamp(34px,7vw,68px);font-weight:1000;letter-spacing:.08em;text-shadow:0 3px 0 #075033;animation:vn-catch-pop .42s ease both;pointer-events:none}
#app .vn-typing-dialog input{padding:14px;font-size:24px;text-align:center;width:100%;border:3px solid #8fb7cb;border-radius:12px}
#app .vn-typing-dialog input:focus{border-color:#0876b9;box-shadow:0 0 0 4px #70cce944;outline:0}
#app .vn-typing-dialog input.vn-letter-input{ime-mode:disabled;text-transform:lowercase;letter-spacing:.04em;font-family:ui-monospace,"Cascadia Mono","Yu Gothic",monospace;font-size:28px}
#app .vn-typing-dialog input.is-prefix-wrong{border-color:#cc513c;background:#fff2ef;box-shadow:0 0 0 4px #e06b5540}
#app .vn-typing-dialog input.is-wrong{animation:vn-input-shake .3s ease;border-color:#cc513c}
#app .vn-typing-dialog .vn-typing-feedback{min-height:1.8em;margin:8px 0;color:#905709;font-weight:800}
#app .vn-typing-dialog .vn-typing-score{font-size:42px;font-weight:bold}
#app .vn-typing-dialog .vn-typing-intro{font-size:18px}
#app .vn-typing-dialog form{margin-top:8px}
#app .vn-result-rank{display:inline-block;margin:8px 0 4px;padding:10px 28px;border:3px solid #d4af37;border-radius:999px;background:#fff8d6;color:#765700;font-size:clamp(24px,4vw,38px);font-weight:1000}
#app .vn-final-points{margin:4px 0;color:#0876b9;font-size:clamp(34px,6vw,58px);font-weight:1000}
#app .vn-typing-result-detail{font-weight:800}
#app .vn-typing-history{margin:22px auto 0;padding:16px;max-width:620px;background:#f5f8fc;border:2px solid #c9d7e7;border-radius:14px;text-align:left}
#app .vn-typing-history-title{margin:0 0 10px;font-size:20px;color:#1e3a5f}
#app .vn-typing-best{margin:8px 0;padding:10px 14px;border-radius:10px;background:linear-gradient(135deg,#d4af37,#f6df82);color:#17365d;font-size:21px;font-weight:900;text-align:center}
#app .vn-typing-goal{margin:8px 0;color:#8a4f00;font-weight:800;text-align:center}
#app .vn-typing-history-list{margin:12px 0 0;padding:0;list-style:none;max-height:210px;overflow:auto}
#app .vn-typing-history-list li{display:grid;grid-template-columns:62px 1fr 1.5fr auto;gap:10px;align-items:center;padding:9px 6px;border-bottom:1px solid #d8e1eb}
#app .vn-typing-history-time{font-size:18px;font-weight:900;color:#17365d}
#app .vn-typing-history-rank{font-size:13px;font-weight:700;color:#66788b}
#app .vn-typing-history-detail{font-size:13px;color:#4d677d}
#app .vn-typing-history-date{font-size:13px;color:#66788b}
@keyframes vn-count-pop{0%{transform:scale(.72);opacity:.25}55%{transform:scale(1.08);opacity:1}100%{transform:scale(1)}}
@keyframes vn-timer-pulse{to{transform:scale(1.05)}}
@keyframes vn-input-shake{25%{transform:translateX(-7px)}50%{transform:translateX(7px)}75%{transform:translateX(-4px)}}
@keyframes vn-catch-pop{0%{opacity:0;transform:scale(.7)}45%{opacity:1;transform:scale(1.06)}100%{opacity:0;transform:scale(1)}}
@media(max-width:600px){#app .vn-typing-dialog{padding:18px 12px}#app .vn-typing-head{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:16px}#app .vn-fall-field{height:clamp(390px,58vh,540px)}#app .vn-falling-word{top:116px;max-width:88%;padding:9px 14px}#app .vn-typing-history-list li{grid-template-columns:52px 1fr 1fr}#app .vn-typing-history-date{grid-column:2/4}}

/* v1.5: 教材図と生成背景を独立表示 */
#app .vn-stage > .vn-material-art{position:absolute;left:5%;top:3%;width:90%;height:62%;object-fit:contain;background:#f7fbfc;border:2px solid #d4af37;border-radius:12px;z-index:2;box-sizing:border-box;pointer-events:none}
@media(max-width:600px){#app .vn-stage > .vn-material-art{top:2%;height:57%}}