@media screen and (min-width: 768px) {
  body #wrapper article section.plan_detail > div.wide55 > div {
    width: 55%;
    margin-bottom: 0px;
  }
  body #wrapper article section.plan_detail > div.wide55 > p {
    width: 42%;
  }
  body #wrapper article section.plan_detail > div.floor100 p {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
  }
  body #wrapper article section.plan_detail > div.floor100 p img {
    width: 100%;
  }
  body #wrapper article section.plan_detail > div.floor100 > div {
    width: 100%;
    margin-bottom: 0px;
  }
}

.plan-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1em;
}

.plan-title-row__img {
  width: 88px;
  height: auto;
  flex-shrink: 0;
}

.plan-title-row__text {
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.4;
}

.plan-variation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.plan-variation-grid img {
  width: 100%;
  height: auto;
  display: block;
}

@media screen and (min-width: 768px) {
  .plan-variation-grid {
    grid-template-columns: repeat(9, 1fr);
  }
}

.floor-block {
  background: #fff;
  padding: 16px;
  border-radius: 6px;
}

.floor-block__title {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 10px;
  font-weight: 700;
  text-align: center;
}

.floor-block__note {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #666;
  margin-top: 24px;
}

@media screen and (min-width: 768px) {
  .floor-block {
    padding: 24px;
  }
}
