@charset "UTF-8";
/* ===== 全体 ===== */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
  background: #f5f5f7;
  overflow: hidden;
}

/* ヘッダ・メイン・フッタの3分割 */
.page {
  display: grid;
  grid-template-rows: 110px 1fr 40px;
  height: 100%;
}

/* ===== ヘッダ ===== */
header {
  background: white;
  border-bottom: 1px solid #ddd;
  padding: 0 16px;
  display: flex;
  align-items: center;
  font-weight: bold;
}

/* ===== メイン部分（左ナビ + 右iframe）===== */
.main {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 0; /* iFrame の高さ確保に重要 */
}

/* ===== サイドバー ===== */
.sidebar {
  background: #ffffff;
  border-right: 1px solid #ddd;
  padding: 16px;
  overflow-y: auto;
}

.input-full {
  width: 100%;
  padding: 4px 8px;
  box-sizing: border-box;
}

.btn-full {
  width: 100%;
  padding: 6px 8px;
  cursor: pointer;
}

/* ===== iframe ===== */
iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== フッタ ===== */
footer {
  background: white;
  border-top: 1px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}