body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background-color: #f9f9f9;
  margin: 0;
  padding: 20px;
}

.board-container {
  max-width: 800px;
  margin: 0 auto;
}

.top-image {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}

.entry-list {
  max-width: 800px;
  margin: 0 auto;
}

.entry-item {
  border-bottom: 1px dotted #999; /* より濃く */
  padding: 15px 0;
  background: linear-gradient(to right, #f2f2f2, #fafafa);
  transition: background 0.3s;
}

.entry-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 10px 15px;
}

.entry-title-main {
  display: flex;
  flex-direction: column;
}

.entry-title-text {
  font-size: 16px;
  font-weight: bold;
  color: #1a237e; /* 落ち着いた紺色 */
  margin-bottom: 5px;
}

.entry-date {
  font-size: 13px;
  color: #666;
}

.status-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: bold;
  color: white;
  display: inline-block;
  line-height: 1.3;
}

.tag.new { background-color: #e53935; }
.tag.done { background-color: #4caf50; }
.tag.review { background-color: #ffb300; }
.tag.improving { background-color: #1976d2; }
.tag.fixed { background-color: #9c27b0; }

.entry-body {
  background-color: #fdfdfd;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 15px;
  max-height: 0;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #999;
  transition: color 0.2s;
}

.close-btn:hover {
  color: #333;
}

.post-section,
.answer-section {
  margin: 25px 0 15px;
  padding: 15px;
  border-radius: 6px;
}

.post-section {
  background-color: #fff0f5; /* 薄ピンク */
}

.answer-section {
  background-color: #fff9c4; /* 薄黄色 */
}

.section-title {
  font-weight: bold;
  margin-bottom: 10px;
}

.answer-date {
  font-weight: normal;
  font-size: 14px;
  margin-left: 10px;
  color: #666;
}

/* スマホ対応 */
@media (max-width: 600px) {
  .entry-title-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .entry-title-text {
    margin-left: 0;
    margin-top: 5px;
  }
}