:root {
  --sim-border: rgba(0, 0, 0, 0.12);
  --sim-bg: #fafbfc;
  --sim-info-bg: #f0f4f8;
  --c-v: #d64545;
  --c-i: #2680c2;
  --c-p: #cb6e17;
}
[data-md-color-scheme="slate"] {
  --sim-border: rgba(255, 255, 255, 0.16);
  --sim-bg: #1e2129;
  --sim-info-bg: #262a34;
  --c-v: #ff7b7b;
  --c-i: #62b0e8;
  --c-p: #f7c948;
}

.md-typeset .sim-box,
.md-typeset .quiz-box {
  border: 1px solid var(--sim-border);
  border-radius: 8px;
  background: var(--sim-bg);
  margin: 1.2em 0;
  padding: 0.7em 0.9em 0.8em;
}
.sim-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5em;
  margin-bottom: 0.3em;
}
.sim-title {
  font-weight: 700;
  font-size: 0.8rem;
}
.sim-title::before {
  content: "▶ シミュレータ";
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  background: var(--md-primary-fg-color);
  border-radius: 3px;
  padding: 0.05em 0.5em;
  margin-right: 0.6em;
  vertical-align: 0.1em;
}
.sim-btns button,
.quiz-box button {
  font: inherit;
  font-size: 0.68rem;
  cursor: pointer;
  border: 1px solid var(--sim-border);
  border-radius: 4px;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  padding: 0.15em 0.7em;
  margin-left: 0.3em;
}
.sim-btns button:hover,
.quiz-box button:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}
.sim-box canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: pan-y;
}
.sim-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.35em 1.6em;
  margin-top: 0.6em;
  font-size: 0.7rem;
}
.sim-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.1em 0.6em;
}
.sim-row.sim-range input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
  accent-color: var(--md-accent-fg-color);
}
.sim-row select,
.sim-row input[type="number"],
.quiz-box input[type="number"] {
  font: inherit;
  padding: 0.1em 0.3em;
  border: 1px solid var(--sim-border);
  border-radius: 4px;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  max-width: 100%;
}
.sim-row .sim-val {
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}
.sim-info {
  margin-top: 0.5em;
  padding: 0.5em 0.8em;
  border-radius: 6px;
  background: var(--sim-info-bg);
  font-size: 0.72rem;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
}
.sim-info b.v, .md-typeset .cv { color: var(--c-v); }
.sim-info b.i, .md-typeset .ci { color: var(--c-i); }
.sim-info b.p, .md-typeset .cp { color: var(--c-p); }
.sim-info .note { opacity: 0.75; }

.quiz-title {
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 0.3em;
}
.quiz-title::before {
  content: "✎ 練習問題";
  display: inline-block;
  font-size: 0.6rem;
  color: #fff;
  background: var(--md-accent-fg-color);
  border-radius: 3px;
  padding: 0.05em 0.5em;
  margin-right: 0.6em;
}
.quiz-q { font-size: 0.76rem; line-height: 1.8; }
.quiz-ans { font-size: 0.74rem; margin: 0.5em 0; display: flex; flex-wrap: wrap; gap: 0.4em 1.4em; }
.quiz-ans input { width: 7em; }
.quiz-ans .ok { color: #27ab83; font-weight: 700; }
.quiz-ans .ng { color: #d64545; font-weight: 700; }
.quiz-sol {
  font-size: 0.72rem;
  line-height: 1.8;
  background: var(--sim-info-bg);
  border-radius: 6px;
  padding: 0.5em 0.8em;
  margin-top: 0.5em;
}
.quiz-score { font-size: 0.68rem; opacity: 0.75; margin-left: 0.8em; }
.quiz-box button { margin-left: 0; margin-right: 0.4em; }

.md-typeset .goal {
  border-left: 4px solid var(--md-primary-fg-color);
  padding: 0.1em 0 0.1em 1em;
  margin: 1em 0;
}

/* 用語のツールチップ */
.md-typeset .gl-term {
  text-decoration: underline dotted;
  text-decoration-color: var(--md-default-fg-color--lighter);
  text-underline-offset: 0.25em;
  cursor: help;
}
.md-typeset .gl-term:hover,
.md-typeset .gl-term:focus {
  text-decoration-color: var(--md-accent-fg-color);
  outline: none;
}
.gl-tip {
  display: none;
  position: absolute;
  z-index: 10;
  max-width: min(22rem, calc(100vw - 16px));
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  background: #1f2933;
  color: #f5f7fa;
  font-size: 0.68rem;
  line-height: 1.65;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}
[data-md-color-scheme="slate"] .gl-tip {
  background: #f5f7fa;
  color: #1f2933;
}
.gl-tip b {
  font-size: 0.72rem;
}

/* シミュレータ内の行列表示 */
.md-typeset table.mx {
  display: inline-table;
  vertical-align: middle;
  margin: 0.2em 0.15em;
  border: none;
  border-left: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  border-radius: 5px;
  font-size: inherit;
  background: none;
  box-shadow: none;
  width: auto;
}
.md-typeset table.mx td {
  padding: 0.05em 0.55em;
  border: none;
  text-align: center;
  min-width: 0;
}