/* v1.1 additions: 送り仮名・iPad Pencil安定化 */

/* 送り仮名は学校プリントに近い「波線」で強調 */
.verticalQuestion .targetWithOkuri{background:#ffe48d;border-radius:7px;padding:4px 1px}
.verticalQuestion .okuriReading{
  text-decoration-line:underline;
  text-decoration-style:wavy;
  text-decoration-color:#d45e5e;
  text-decoration-thickness:1.5px;
  text-underline-offset:5px;
}

/* 送り仮名クイズ */
.okuriShell{
  width:min(760px,94vw);min-height:100dvh;margin:auto;padding:30px 18px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
}
.okuriShell h2{font-size:clamp(30px,5vw,46px);margin:7px 0 5px}
.okuriLead{color:var(--muted);font-weight:800;margin:0 0 18px}
.okuriWordBuild{
  min-width:min(520px,88vw);padding:24px 28px;margin:8px 0 20px;border-radius:28px;
  background:#fff;box-shadow:var(--shadow);border:1px solid #e5ebf3;
  display:flex;align-items:baseline;justify-content:center;gap:8px;
  font-family:"Yu Mincho","Noto Serif JP",serif;
}
.okuriKanji{font-size:clamp(78px,16vw,150px);font-weight:900;line-height:1}
.okuriSlot{
  min-width:100px;font-size:clamp(42px,8vw,72px);font-weight:900;line-height:1.2;color:#8997aa;
  border-bottom:4px wavy #d45e5e;padding:0 8px 4px;
}
.okuriChoices{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;max-width:650px}
.okuriChoice{
  min-width:125px;padding:16px 24px;border-radius:20px;background:#fff;color:var(--ink);
  border:2px solid #dce6f2;font-size:26px;font-weight:950;box-shadow:0 7px 18px rgba(54,76,118,.09);
  touch-action:manipulation;
}
.okuriChoice:hover{border-color:#91aaff}
.okuriChoice.wrong{background:#fff0ee;border-color:#e28a80;animation:okuriShake .25s}
.okuriChoice.correct{background:#e9f8ef;border-color:#6fc493;color:#27784b}
@keyframes okuriShake{25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.okuriFeedback{min-height:38px;margin:15px 0 8px;font-weight:950;font-size:18px}
.okuriComplete{font-size:clamp(42px,8vw,72px);font-family:"Yu Mincho","Noto Serif JP",serif;font-weight:900;color:#2e7d52}
#okuriNextBtn[hidden]{display:none}

/* HELPがiPadで確実に押せるように前面へ */
.helpDock{position:relative;z-index:25;flex:0 0 auto}
.helpBtn{position:relative;z-index:30;min-height:48px;touch-action:manipulation;pointer-events:auto;-webkit-tap-highlight-color:transparent}
.writeActions button,.playTop button,.reviewActions button,.strokeActions button,.resultActions button,.okuriChoice,#okuriNextBtn{
  position:relative;z-index:30;touch-action:manipulation;pointer-events:auto;-webkit-tap-highlight-color:transparent;
}
button:disabled{cursor:default;opacity:.72}

/* Pencil中はページそのものを動かさず、文字選択・長押しを抑える。
   ボタンは touch-action:manipulation で操作可能に保つ。 */
body.playing{height:100dvh;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
body.playing *:not(button){-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
body.playing .challengeScreen,body.playing .strokeScreen{touch-action:auto}
.canvasShell,#writeCanvas{touch-action:none!important}
.challengeScreen.active{height:100dvh;overflow:hidden}
.challengeLayout{height:calc(100dvh - 70px);min-height:0;overflow:hidden}
.writingPane{height:100%;min-height:0;overflow:hidden}
.canvasShell{width:min(450px,46vh,68vw);flex:0 0 auto}

@media(max-height:760px) and (min-width:761px){
  .canvasShell{width:min(350px,42vh,58vw)}
  .wordDot{width:38px;height:38px;font-size:22px}
  .charPrompt{font-size:16px;margin:1px 0 3px}
  .statusLine{min-height:25px;font-size:13px;margin-top:3px}
  .writeActions .toolBtn,.writeActions .checkBtn{padding:9px 12px}
  .helpDock{margin-top:4px;padding:7px 10px}
  .helpBtn{margin-top:5px;padding:8px;min-height:40px}
  .helpNote{margin-top:3px;font-size:10px}
}

@media(max-width:760px){
  .challengeLayout{height:calc(100dvh - 70px);grid-template-rows:145px minmax(0,1fr);overflow:hidden;padding:6px 0}
  .questionPaper{min-height:0;height:145px;padding:12px 14px}
  .verticalQuestion{height:105px;margin:4px auto 0;font-size:22px}
  .writingPane{min-height:0;padding:7px 10px}
  .canvasShell{width:min(330px,36vh,72vw)}
  .helpDock{margin-top:5px;padding:8px 10px}
  .helpNote{display:none}
}