/* WordPress テーマとの干渉を避けるため、すべて .mdp 配下に限定する */
.mdp {
  --mdp-fg: #1f2328;
  --mdp-muted: #59636e;
  --mdp-bg: #ffffff;
  --mdp-bg-sub: #f6f8fa;
  --mdp-border: #d1d9e0;
  --mdp-accent: #0969da;
  --mdp-accent-fg: #ffffff;
  --mdp-ok: #1a7f37;
  --mdp-warn: #9a6700;
  --mdp-error: #d1242f;
  box-sizing: border-box;
  max-width: 100%;
  margin-top: 1.5em;
  margin-bottom: 1.5em;
  padding: 16px;
  border: 1px solid var(--mdp-border);
  border-radius: 8px;
  background: var(--mdp-bg);
  color: var(--mdp-fg);
  font-size: 15px;
  line-height: 1.6;
  container-type: inline-size;
}
.mdp *,
.mdp *::before,
.mdp *::after {
  box-sizing: border-box;
}
.mdp [hidden] {
  display: none !important;
}
.mdp-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 12px;
  padding: 8px 12px;
  border: 1px solid var(--mdp-border);
  border-radius: 6px;
  background: var(--mdp-bg-sub);
}
.mdp-options legend {
  padding: 0 4px;
  color: var(--mdp-muted);
  font-size: 13px;
}
.mdp-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  cursor: pointer;
}
.mdp-drop {
  margin: 0 0 12px;
  padding: 16px;
  border: 2px dashed var(--mdp-border);
  border-radius: 8px;
  background: var(--mdp-bg-sub);
  text-align: center;
}
.mdp-drop[data-over] {
  border-color: var(--mdp-accent);
  background: #ddf4ff;
}
.mdp-drop-text {
  margin: 0 0 8px;
  color: var(--mdp-muted);
  font-size: 14px;
}
.mdp .mdp-file {
  display: inline-block;
  max-width: 100%;
  margin: 0;
}
.mdp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}
.mdp .mdp-btn {
  margin: 0;
  padding: 6px 14px;
  border: 1px solid var(--mdp-border);
  border-radius: 6px;
  background: var(--mdp-bg-sub);
  color: var(--mdp-fg);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.mdp .mdp-btn:hover {
  border-color: var(--mdp-muted);
}
.mdp .mdp-btn-main {
  border-color: var(--mdp-accent);
  background: var(--mdp-accent);
  color: var(--mdp-accent-fg);
}
.mdp .mdp-btn-sub {
  background: transparent;
}
.mdp button:focus-visible,
.mdp input:focus-visible,
.mdp textarea:focus-visible,
.mdp summary:focus-visible,
.mdp .mdp-preview:focus-visible {
  outline: 2px solid var(--mdp-accent);
  outline-offset: 2px;
}
/* 入力とプレビュー：狭い幅では上下、広い幅では左右に並べる */
.mdp-panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0 0 12px;
}
@container (min-width: 640px) {
  .mdp-panes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}
.mdp-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
}
.mdp-pane-title {
  display: block;
  margin: 0 0 4px;
  font-weight: bold;
}
.mdp-count {
  margin-left: 8px;
  color: var(--mdp-muted);
  font-weight: normal;
}
.mdp .mdp-textarea {
  display: block;
  width: 100%;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--mdp-border);
  border-radius: 6px;
  background: var(--mdp-bg);
  color: var(--mdp-fg);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.5;
  resize: vertical;
  tab-size: 4;
}
.mdp-pane .mdp-textarea {
  flex: 1 1 auto;
  height: 28em;
  min-height: 12em;
}
.mdp .mdp-html {
  min-height: 10em;
  margin-top: 8px;
  background: var(--mdp-bg-sub);
  white-space: pre;
  overflow: auto;
}
.mdp-status {
  margin: 0 0 12px;
  font-size: 14px;
  white-space: pre-line;
}
.mdp-status:empty {
  display: none;
}
.mdp-status[data-kind="ok"] {
  color: var(--mdp-ok);
}
.mdp-status[data-kind="warn"] {
  color: var(--mdp-warn);
}
.mdp-status[data-kind="error"] {
  color: var(--mdp-error);
}
.mdp-source {
  margin: 0 0 12px;
}
.mdp-source summary {
  cursor: pointer;
  color: var(--mdp-accent);
  font-size: 14px;
}
.mdp-note {
  margin: 0;
  color: var(--mdp-muted);
  font-size: 13px;
}
/* プレビューの表示（テーマの装飾を打ち消して、GitHub に近い見た目にする） */
.mdp .mdp-preview {
  height: 28em;
  min-height: 12em;
  padding: 12px 16px;
  border: 1px solid var(--mdp-border);
  border-radius: 6px;
  background: var(--mdp-bg);
  color: var(--mdp-fg);
  font-size: 15px;
  line-height: 1.7;
  overflow: auto;
  overflow-wrap: anywhere;
  resize: vertical;
}
.mdp .mdp-preview:empty::before {
  content: "ここにプレビューが表示されます";
  color: var(--mdp-muted);
  font-size: 14px;
}
.mdp .mdp-preview > :first-child {
  margin-top: 0;
}
.mdp .mdp-preview > :last-child {
  margin-bottom: 0;
}
.mdp .mdp-preview h1,
.mdp .mdp-preview h2,
.mdp .mdp-preview h3,
.mdp .mdp-preview h4,
.mdp .mdp-preview h5,
.mdp .mdp-preview h6 {
  position: static;
  margin: 1.2em 0 0.6em;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--mdp-fg);
  font-weight: bold;
  line-height: 1.35;
  text-align: left;
}
.mdp .mdp-preview h1::before,
.mdp .mdp-preview h1::after,
.mdp .mdp-preview h2::before,
.mdp .mdp-preview h2::after,
.mdp .mdp-preview h3::before,
.mdp .mdp-preview h3::after,
.mdp .mdp-preview h4::before,
.mdp .mdp-preview h4::after,
.mdp .mdp-preview h5::before,
.mdp .mdp-preview h5::after,
.mdp .mdp-preview h6::before,
.mdp .mdp-preview h6::after,
.mdp .mdp-preview li::before,
.mdp .mdp-preview li::after,
.mdp .mdp-preview blockquote::before,
.mdp .mdp-preview blockquote::after {
  content: none;
  display: none;
}
.mdp .mdp-preview h1 {
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--mdp-border);
  font-size: 1.8em;
}
.mdp .mdp-preview h2 {
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--mdp-border);
  font-size: 1.45em;
}
.mdp .mdp-preview h3 {
  font-size: 1.2em;
}
.mdp .mdp-preview h4 {
  font-size: 1.05em;
}
.mdp .mdp-preview h5 {
  font-size: 0.95em;
}
.mdp .mdp-preview h6 {
  color: var(--mdp-muted);
  font-size: 0.9em;
}
.mdp .mdp-preview p,
.mdp .mdp-preview ul,
.mdp .mdp-preview ol,
.mdp .mdp-preview blockquote,
.mdp .mdp-preview pre,
.mdp .mdp-preview table {
  margin: 0 0 1em;
}
.mdp .mdp-preview ul,
.mdp .mdp-preview ol {
  padding: 0 0 0 2em;
  border: 0;
  background: none;
}
.mdp .mdp-preview ul {
  list-style: disc;
}
.mdp .mdp-preview ol {
  list-style: decimal;
}
.mdp .mdp-preview ul ul {
  list-style: circle;
}
.mdp .mdp-preview ul ul ul {
  list-style: square;
}
.mdp .mdp-preview li {
  display: list-item;
  margin: 0.25em 0;
  padding: 0;
  border: 0;
  background: none;
}
.mdp .mdp-preview li > ul,
.mdp .mdp-preview li > ol,
.mdp .mdp-preview li > p {
  margin: 0.25em 0;
}
.mdp .mdp-preview blockquote {
  margin-left: 0;
  margin-right: 0;
  padding: 0 1em;
  border: 0;
  border-left: 4px solid var(--mdp-border);
  border-radius: 0;
  background: none;
  color: var(--mdp-muted);
  font-size: inherit;
  font-style: normal;
}
.mdp .mdp-preview code {
  padding: 0.15em 0.4em;
  border: 0;
  border-radius: 4px;
  background: rgba(129, 139, 152, 0.18);
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
}
.mdp .mdp-preview pre {
  max-width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 6px;
  background: var(--mdp-bg-sub);
  color: var(--mdp-fg);
  font-size: 14px;
  line-height: 1.5;
  overflow: auto;
  white-space: pre;
}
.mdp .mdp-preview pre code {
  padding: 0;
  background: none;
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
}
.mdp .mdp-preview a {
  color: var(--mdp-accent);
  text-decoration: underline;
}
.mdp .mdp-preview hr {
  height: 0;
  margin: 1.5em 0;
  border: 0;
  border-top: 2px solid var(--mdp-border);
  background: none;
}
.mdp .mdp-preview table {
  display: block;
  width: max-content;
  max-width: 100%;
  border-collapse: collapse;
  overflow: auto;
}
.mdp .mdp-preview th,
.mdp .mdp-preview td {
  padding: 6px 12px;
  border: 1px solid var(--mdp-border);
  background: none;
  color: inherit;
  font-size: inherit;
  text-align: left;
  vertical-align: top;
}
.mdp .mdp-preview th {
  background: var(--mdp-bg-sub);
  font-weight: bold;
}
.mdp .mdp-preview [align="center"] {
  text-align: center;
}
.mdp .mdp-preview [align="right"] {
  text-align: right;
}
.mdp .mdp-preview del {
  color: var(--mdp-muted);
}