/* updates.css: 更新履歴ページ専用 */

.updatesCard h2{
  margin-bottom:10px;
}

.updatesLead{
  margin-bottom:22px;
  color:var(--muted);
  font-weight:650;
}

.historyList{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.historyItem{
  position:relative;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:var(--softShadow);
}

.historyItem.newHistory{
  border-color:#b9cdfd;
  background:linear-gradient(180deg,#ffffff,#f7fbff);
}

.historyDateRow{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}

.historyDate{
  color:#111827;
  font-size:17px;
  font-weight:900;
  letter-spacing:.01em;
}

.newTag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:24px;
  padding:4px 9px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--purple),var(--blue));
  color:#fff;
  font-size:12px;
  font-weight:950;
  line-height:1;
  box-shadow:0 8px 18px rgba(91,78,255,.18);
}

.historyText{
  color:#263043;
  line-height:1.9;
  font-size:16px;
  overflow-wrap:anywhere;
}

.historyText p{
  margin:0 0 12px;
}

.historyText p:last-child{
  margin-bottom:0;
}

.historyText strong,
.historyText b{
  color:#111827;
  font-weight:900;
}

.historyText em{
  font-style:normal;
  font-weight:850;
  color:#6847ff;
}

.historyText a{
  color:#6847ff;
  font-weight:850;
}

.emptyHistory{
  padding:24px;
  border:1px dashed #cfd7e6;
  border-radius:18px;
  background:#fff;
  color:var(--muted);
  text-align:center;
  font-weight:750;
}

.updatesLinkArea{
  margin-top:24px;
}

@media (max-width:700px){
  .historyItem{
    padding:16px;
    border-radius:16px;
  }

  .historyDateRow{
    align-items:flex-start;
    gap:8px;
    flex-wrap:wrap;
  }

  .historyDate{
    font-size:16px;
  }

  .historyText{
    font-size:15px;
    line-height:1.85;
  }
}