.post-body .post-v-title::before {
    position: absolute;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: none;
    background-size: cover;
}

aside {
  margin-bottom: 10vw; }

.aside-nav-index nav ul.event-list li a.side-ev-orientation {
  border-left: 5px solid #ccd971; }
.aside-nav-index nav ul.event-list li a.side-ev-summerseminar {
  border-left: 5px solid #ffb135; }
.aside-nav-index nav ul.event-list li a.side-ev-fashionfestival {
  border-left: 5px solid #a169ff; }
.aside-nav-index nav ul.event-list li a.side-ev-show {
  border-left: 5px solid #64e3d8; }
.aside-nav-index nav ul.event-list li a.side-ev-culturefestival {
  border-left: 5px solid #ffa249; }
.aside-nav-index nav ul.event-list li a.side-ev-consultation {
  border-left: 5px solid #00e4ff; }
.aside-nav-index nav ul.event-list li a.side-ev-area {
  border-left: 5px solid #ff9cdb; }