.accordion {
  background-color: white;
  margin-bottom: 24px;
}

.accordion-title {
  background-color: #464646;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 10px 1.6em;
  text-align: left;
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition-duration: 0.2s;
}

.accordion-title {
  font-size: 18px;
  padding: 10px 1em;
}

.accordion-title.open .accordion-btn {
  -webkit-transform: rotate(-360deg);
  transform: rotate(-360deg);
}

.accordion-plus::before {
  content: none;
}

.accordion-plus::after {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.accordion-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 50%;
  right: 2%;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  box-sizing: border-box;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  transform-origin: center center;
  transition-duration: 0.2s;
}

.accordion-plus {
  display: block;
  width: 18px;
  height: 18px;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  transform-origin: center center;
  transition-duration: 0.2s;
  position: relative;
}

.accordion-plus::before,
.accordion-plus::after {
  content: "";
  display: flex;
  background-color: #fff;
  border-radius: 10px;
  width: 18px;
  height: 2px;
  position: absolute;
  top: 8px;
  left: 0;
  -webkit-transform: rotate(0deg);
  transform: rotate(0deg);
  transform-origin: center center;
}

.accordion-plus:before {
  width: 2px;
  height: 18px;
  top: 0;
  left: 8px;
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s;
  padding: 0;
}

.accordion-title.open + .accordion-panel {
  grid-template-rows: 1fr;
  padding: 24px;
}

.accordion-inner {
  overflow: hidden;
  gap: 4px;
  display: flex;
  flex-direction: column;
}

.accordion-inner article {
  overflow: hidden;
  margin: 4px 8px;
}

.accordion-panel .item {
  display: flex;
  align-items: center;
}
.accordion-panel .item .title a {
  font-weight:600;
  line-height:1.6;
}
.accordion-panel a:hover {
  text-decoration: underline;
}
.accordion-panel .date {
  padding-right: 24px;
}

@media (max-width: 750px) {
  body #archive .archive-body .contents {
    padding: 2.8em 0;
  }
  .accordion-panel .item {
    display: block;
  }  
}