/* =========================================================
   利用手順セクション (#usage-steps)
   テーマ既存トークンに準拠: primary #1A78CE / 幅800px / 角丸20px / 1rem=10px / SP=768px
   セクション外枠(.c_list_item_area)と見出し(.common_ttl_l)は既存CSSを利用。
   ========================================================= */
#usage-steps .c_list_usage_steps {
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

#usage-steps .c_list_usage_step {
  position: relative;
  background: #fff;
  border: solid 2px #E5F0FA;
  border-radius: 20px;
  padding: 24px 28px 24px 34px;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(26, 120, 206, .06);
}

#usage-steps .c_list_usage_step:last-child {
  margin-bottom: 0;
}

/* 左のアクセントバー */
#usage-steps .c_list_usage_step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 6px;
  border-radius: 0 6px 6px 0;
  background: #1A78CE;
}

#usage-steps .c_list_usage_step_ttl {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.4;
  color: #1A78CE;
  margin: 0 0 8px;
}

#usage-steps .c_list_usage_step_desc {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #333;
}

#usage-steps .c_list_usage_step_desc p {
  margin: 0 0 8px;
}

#usage-steps .c_list_usage_step_desc p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  #usage-steps .c_list_usage_step {
    padding: 18px 18px 18px 24px;
    border-radius: 14px;
    margin-bottom: 16px;
  }

  #usage-steps .c_list_usage_step_ttl {
    font-size: 1.6rem;
  }

  #usage-steps .c_list_usage_step_desc {
    font-size: 1.3rem;
    line-height: 1.7;
  }
}