/* 20200910 1154 */
.collabo-event-nav ul {
  width: 100%;
  display: flex;
  -ms-flex-wrap: nowrap;
  flex-wrap: nowrap;
  -ms-flex-pack: justify;
  justify-content: flex-start;
}
.collabo-event-nav li {
  padding: 0 0.3% 0;
  display:table;
  flex:1;
  min-width: 180px; /* Firefox‘Ī¨ō */
  margin: auto;     /* Firefox‘Ī¨ō */
}
.collabo-event-nav li a {
  display:table-cell;
  vertical-align:middle;
  min-width: auto;
}