/* ── decimal_measure_unit_conversion3_4（小数で表した量の単位を変えよう、単元仕様書 v1.4）── */
/* 画面：問題文の下に回答案内、答えの欄（右に答える単位）、テンキー、こたえるボタン（§5-3・§7 画面表示）。 */
.dmu-guide{margin:6px auto 4px;font-weight:700;text-align:center;max-width:32em}
.dmu-fields{display:flex;justify-content:center;align-items:center;flex-wrap:nowrap;gap:8px;margin:6px auto 2px;max-width:100%}
.dmu-input{width:7em;max-width:56vw;min-height:44px;font-size:1.4rem;padding:4px 8px;border:3px solid #1d4ed8;background:#eff6ff;border-radius:10px;text-align:center;font-family:inherit;box-sizing:border-box}
.dmu-input:focus-visible{outline:3px solid #1d4ed8;outline-offset:2px}
.dmu-input:disabled{background:#f8fafc;color:#111827;opacity:1;border-color:#94a3b8}
.dmu-input.dmu-input-ok{border:3px solid #15803d;background:#dcfce7}
.dmu-input.dmu-input-ng{border:3px dashed #b91c1c;background:#fff1f2}
.dmu-unit{font-size:1.4rem;font-weight:700;white-space:nowrap}
.dmu-msg{margin:2px auto 0;color:#b91c1c;font-weight:700;font-size:1rem;text-align:center;max-width:32em}
.dmu-msg:empty{display:none}
.feedback.has-text.dmu-feedback{height:auto;min-height:40px;padding:4px 0;text-align:center;line-height:1.45}
.dmu-correct{margin:2px 0 6px;font-weight:700;font-size:1rem}
.dmu-expl-text{margin:4px 0 6px;overflow-wrap:anywhere;font-size:1rem}
#page-quiz.active:has(.dmu-fields) #hint-area .kp-card{display:flex;align-items:flex-start;gap:8px}
#page-quiz.active:has(.dmu-fields) #hint-area .kp-head{margin-bottom:0;flex:none}
#page-quiz.active:has(.dmu-fields) #hint-area .kp-title:empty{display:none}
#page-quiz.active:has(.dmu-fields) #hint-area .kp-body{flex:1;min-width:0;padding-left:0;overflow-wrap:anywhere}

/* 印刷：A4横・問題2列（列133mm・列の間7mm）・各問26mm×5段・答えは下段に5列×2段・1ページ（§7。用紙の余白10mm、本文277×190mm）。 */
.dmu-pr-page{width:277mm;height:190mm;box-sizing:border-box;display:flex;flex-direction:column;padding:0;margin:0 auto 8mm;overflow:hidden;background:#fff;color:#000;font-family:'Atkinson Hyperlegible','BIZ UDPGothic','Yu Gothic','Meiryo',sans-serif}
.dmu-pr-head{display:flex;flex-direction:column;flex:none;box-sizing:border-box;width:277mm}
.dmu-pr-title{box-sizing:border-box;margin:0;height:9mm;font-size:14.3pt;font-weight:700;line-height:7.8mm;text-align:center;white-space:nowrap;padding:0;border:1.5pt solid #666;background:#ffffcc;print-color-adjust:exact;-webkit-print-color-adjust:exact}
.dmu-pr-instruction{margin:0 0 1mm;font-size:12.6pt;line-height:6mm;white-space:nowrap}
.dmu-pr-problems{display:grid;grid-template-columns:133mm 133mm;column-gap:7mm;flex:none;margin-top:1mm}
.dmu-pr-col{display:grid;grid-template-rows:repeat(5,26mm)}
.dmu-pr-cell{box-sizing:border-box;overflow:hidden;display:flex;flex-direction:column;padding-top:1.5mm}
/* 問と問のさかいめに点線（次の問の番号と前の問の答え欄を見分ける）。 */
.dmu-pr-cell+.dmu-pr-cell{border-top:0.3mm dotted #888}
.dmu-pr-q{margin:0;height:6mm;font-size:12.6pt;line-height:6mm;white-space:pre}
.dmu-pr-num{font-weight:700}
.dmu-pr-ansline{margin:2mm 0 0 10mm;display:flex;align-items:center;gap:1mm;font-size:12.6pt;white-space:nowrap;height:8mm}
.dmu-pr-box{display:inline-block;box-sizing:border-box;width:34mm;height:8mm}
.dmu-pr-unit{margin-left:1.5mm;font-weight:700}
.dmu-pr-answers{flex:none;box-sizing:border-box;margin-top:2mm}
.dmu-pr-dashed{box-sizing:content-box;display:block;height:0;margin:0 0 1mm;padding:0;border:0;border-top:2pt dashed #aaa}
.dmu-pr-answers-title{font-weight:700;font-size:12.6pt;height:6mm;line-height:6mm}
/* 答えは5列×2段：上段に1〜5、下段に6〜10（§7 解答の配置）。 */
.dmu-pr-answer-grid{display:grid;grid-template-columns:repeat(5,53mm);column-gap:2mm;grid-template-rows:repeat(2,4.6mm)}
.dmu-pr-ans{margin:0;font-size:10.2pt;line-height:4.6mm;height:4.6mm;white-space:nowrap}
.dmu-app-pdf-page .dmu-pr-page{box-shadow:none;margin:0}

#pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]{width:277mm;max-width:none;padding:0;margin:calc(12px + 10mm) auto;background:transparent;box-shadow:none}
#pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]>:not(#pr-problems){display:none!important}
#pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]>#pr-problems{display:block}
/* 画面のプレビューでは、用紙の余白10mmを白い縁で見せる（印刷の寸法は変えない）。 */
#pr-sheet[data-unit="decimal_measure_unit_conversion3_4"] .dmu-pr-page{box-shadow:0 0 0 10mm #fff,0 0 4px 10mm rgba(0,0,0,.12);margin-bottom:calc(8mm + 10mm)}
@media print{
  #page-print #pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]{width:auto!important;max-width:none!important;margin:0!important;padding:0!important;transform:none!important;box-shadow:none!important}
  #page-print #pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]>:not(#pr-problems){display:none!important}
  #page-print #pr-sheet[data-unit="decimal_measure_unit_conversion3_4"]>#pr-problems{display:block!important}
  #page-print #pr-sheet[data-unit="decimal_measure_unit_conversion3_4"] .dmu-pr-page{display:flex!important;margin:0!important;box-shadow:none!important;break-after:auto;page-break-after:auto}
}