/* ====== 国毎の折りたたみ ====== */
h2.country-toggle {
  margin-bottom: 0.4em;
}

h2.country-toggle button {
  all: unset;
  display: block;
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
  font: inherit;
  font-weight: bold;
  padding: 10px 12px;
  border: 1px solid #999;
  background: #f5f5f5;
  font-size: 1em;
  line-height: 1.4;
}

h2.country-toggle button:hover {
  background: #ececec;
}

h2.country-toggle button::before {
  content: "▶ ";
}

h2.country-toggle button[aria-expanded="true"]::before {
  content: "▼ ";
}

.country-panel {
  display: none;
  margin-bottom: 1.2em;
}

.country-panel.is-open {
  display: block;
}

.back-to-index {
  margin-left: 16px;
}