div.items03 p.disc{ font-size:12px; margin-bottom:8px; }

.items h3 {
  font-size: 1.2em;
  margin-bottom: 0.6em;
}
.req {
  color: #e00;
  font-size: 1em;
  margin-left: 5px;
}
.disc {
  padding: 10px;
  border-radius: 6px;
  font-size: 0.97em;
  margin-bottom: 18px;
  line-height: 1.7;
}
.stones {
  margin-top: 5px;
}
.stones-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 5px;
  margin-bottom: 15px;
}
.stones-item {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 0px;
  padding: 8px 6px 8px 6px;
  text-align: center;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.stones-title {
  font-weight: bold;
  margin-bottom: 7px;
  font-size: 0.8em;
  color: #333;
  letter-spacing: 0.05em;
}
.stones-title-s {
  font-weight: bold;
  margin-bottom: 7px;
  font-size: 0.66em;
  color: #333;
  letter-spacing: 0.05em;
}
.stones-item img {
  max-width: 98%;
  max-height: 170px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.07);
}

/* スマホ対応：2列にする */
@media (max-width: 800px) {
  .stones-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    gap: 7px;
  }
  .stones-item img {
    max-width: 95vw;
    max-height: 100%;
  }
  .stones-item {
    min-height: 120px;
    padding: 8px 8px 8px 8px;
  }
  .stones-title {
    font-size: 0.95em;
    margin-bottom: 6px;
  }
  .stones-title-s {
  margin-bottom: 6px;
  font-size: 0.95em;
}
}
@media (max-width: 500px) {
  .stones-grid {
    gap: 5px;
  }
  .stones-item img {
    max-width: 98vw;
    max-height: 40vw;
  }
  .stones-item {
    min-height: 100px;
    padding: 6px 6px 6px 6px;
  }
  .stones-title {
    font-size: 0.93em;
    margin-bottom: 4px;
  }
  .stones-title-s {
    font-size: 0.9em;
    margin-bottom: 4px;
  }
}