.intro4step__wrapper {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 20px;
      max-width: 900px;
      margin: 0 auto;
      flex-wrap: nowrap;
    }

.intro4step__item {
     text-align: center;
      flex-shrink: 0;
    }

.intro4step__circle {
      width: 60px;
      height: 60px;
      background: #fc723f;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px;
      color: white;
      font-size: 1.5rem;
      font-weight: bold;
    }

.intro4step__label {
      font-size: 1.5rem;
      color: #0d3780;
      font-weight: 600;
      margin: 0;
      white-space: nowrap;
    }

.intro4step__arrow {
      font-size: 2rem;
      color: #4a90e2;
      margin-bottom: 45px;
      flex-shrink: 0;
    }

.intro4step__title {
      font-size: 3rem;
      color: #333;
      margin-bottom: 20px;
      font-weight: bold;
    }

.intro4step__title-accent {
      color: #ff6b35;
      font-size: 3rem;
      font-weight: 900;
    }

 /* タブレット */
@media (max-width: 768px) {
.intro4step__wrapper {
        gap: 10px;
      }

.intro4step__label {
        font-size: 1.1rem;
      }

.intro4step__circle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
      }

.intro4step__arrow {
        font-size: 1.5rem;
      }

.intro4step__title {
        font-size: 2rem;
      }

.intro4step__title-accent {
        font-size: 2rem;
      }
    }

/* スマホ */
@media (max-width: 480px) {
.intro4step__wrapper {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

.intro4step__item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    background: #f0f4fb;
    border-radius: 8px;
    padding: 10px 14px;
    text-align: left;
  }

.intro4step__circle {
    margin: 0;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

.intro4step__label {
    font-size: 1.1rem;
    white-space: normal;
    margin: 0;
  }

.intro4step__arrow {
    display: none; /* 矢印を非表示 */
  }

.intro4step__title {
    font-size: 1.4rem;
    padding: 0 1em;
  }

.intro4step__title-accent {
    font-size: 1.4rem;
  }
}