body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #c0c0c0;
  /* いわゆる懐かしグレー */
  background-image: url('../img/bg009.jpg');
  background-attachment: fixed;

}

header {
  padding: 10px 14px;
  border-bottom: 2px solid #000;
  /* background: #e6e6e6; */
  position: sticky;
  top: 0;
  z-index: 10;
}

.panel {
  margin-top: 10px;
  padding: 10px;
  border: 2px solid #000;
  /* 太め枠 */
  background: #fdfdfd;
  box-shadow: 2px 2px 0 #666;
  /* ちょいレトロ */
}

.logArea {
  flex: 1;
  overflow: auto;
  padding: 10px 14px;
  background: #ffffe6;
  /* “ログ紙”っぽい淡い黄色 */
}

.line {
  padding: 6px 0;
  border-bottom: 1px dotted #666;
  /* 点線でレトロ感 */
}

.btn {
  padding: 6px 10px;
  border: 2px solid #000;
  background: #dcdcdc;
  cursor: pointer;
}

.btn:hover {
  background: #cfcfcf;
}

.wrap {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.title {
  font-weight: 900;
  font-size: 24px;
  margin-bottom: 6px;
  color: #008000;
  text-shadow: 2px 2px 0 #80f080;
}

.menu a {
  margin-right: 10px;
  color: #00f;
  text-decoration: underline;
}

.menu a:hover {
  opacity: .7;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 6px 0;
}

label {
  display: inline-block;
  min-width: 120px;
}

input[type="text"] {
  width: 320px;
  max-width: 90vw;
  padding: 6px;
  border: 1px solid #000;
}

select {
  padding: 6px;
  border: 1px solid #000;
}

.err {
  color: #c00;
  font-size: 13px;
  margin-left: 8px;
}

.note {
  color: #444;
  font-size: 12px;
}

.spacer {
  height: 10px;
}

.participants {
  margin-bottom: 8px;
  font-weight: 600;
}

.meta {
  color: #888;
  font-size: 12px;
  margin-left: 6px;
}

.hp {
  display: none;
}

/* honeypot */
.dummy_app_url {
  font-size: 12px;
  margin-top: 8px;
  text-align: center;
}