.heading05{
  font-size: 3.4rem;
  border-left: 3px solid #f9b81e;
}

#mainImg .title{
  color:#f9b81e;
  max-width:560px;
  margin: 0 auto;
  font-size: 5rem;
}
#mainImg .sub{
  color:#ffffff;
  max-width:560px;
  margin: 0 auto;
  font-size: 2.5rem;
  font-weight: bold;
}
#mainImg .text{
  color:#ffffff;
  text-align: center;
}

.button-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.button-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  flex-wrap: wrap;
}

.main-button {
  transition: all 0.2s;
  display: inline-block;
  background:linear-gradient(to right,#F5A211,#f9b81e);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  padding: 15px 60px;
  border-radius: 25px;
  transition: all 0.3s ease;
  white-space: nowrap;
  text-align: center;
  flex: 1;
  min-width: 0;
}

.main-button:hover {
  background:linear-gradient(to right,#f9b81e,#F5A211);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

.dataCard01 > *{
  border-left: 4px solid #1E3A8A;
  border-radius: 10px;
  border-top: none;
}

.box01{
  background-color: #ffffff;
  border: 1px solid #e0e6ff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.box01-title {
  color: #1E3A8A;
  font-size: 2.6rem;
  font-weight: bold;
  margin: 0 0 16px 0;
  padding: 0;
}

.donyu01{
  font-size: 6rem;
  font-weight: bold;
  letter-spacing: 0;
  line-height: 1;
  color: #1E3A8A;
}

.inquiry-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.inquiry-btn {
  display: inline-block;
  background:linear-gradient(to right,#1E3A8A,#3b82f6);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  padding: 16px 40px;
  border-radius: 30px;
  transition: all 0.3s ease;
  white-space: nowrap;
  text-align: center;
  flex: 1;
  min-width: 200px;
  max-width: 300px;
  box-shadow: 0 4px 8px rgba(74, 123, 200, 0.3);
  transition: all 0.2s;
}

.inquiry-btn:hover {
  background:linear-gradient(to right,#3b82f6,#1E3A8A);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(74, 123, 200, 0.4);
  text-decoration: none;
}

.flow-steps {
  margin: 40px 0;
  padding: 20px 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  background-color: #ffffff;
  border: 1px solid #e0e6ff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.step-number {
  background-color: #f9b81e;
  color: #ffffff;
  font-size: 2rem;
  font-weight: bold;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-right: 20px;
}

.step-content {
  flex: 1;
}

.step-title {
  color: #1E3A8A;
  font-size: 2rem;
  font-weight: bold;
  margin: 0 0 10px 0;
}

.step-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.step-list li {
  color: #333;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 5px;
  padding-left: 15px;
  position: relative;
}

.step-list li:before {
  content: "●";
  color: #2c5aa0;
  font-size: 0.7rem;
  position: absolute;
  left: 0;
  top: 0;
}

.step-list li:last-child {
  margin-bottom: 0;
}

.step-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 10px 0;
}

.step-arrow svg {
  transform: rotate(90deg);
}

/* タブレットサイズ以下（768px以下）でのレスポンシブ対応 */
@media screen and (max-width:967px) {
  .heading05{
    font-size: 2.4rem;
  }
}


@media screen and (max-width: 768px) {
  .title {
    font-size: 3.5rem; /* 5rem → 3.5rem */
    max-width: 90%; /* 画面幅に合わせて調整 */
    padding: 0 15px; /* 左右に余白を追加 */
  }
  
  .sub {
    font-size: 1.8rem; /* 2.5rem → 1.8rem */
    max-width: 90%; /* 画面幅に合わせて調整 */
    padding: 0 15px; /* 左右に余白を追加 */
  }

  .button-container {
    gap: 15px;
    margin-top: 25px;
    max-width: 90%;
  }
  
  .main-button {
    font-size: 1rem;
    padding: 12px 25px;
  }
  
  .box01-title {
    font-size: 2.2rem;
  }

  .inquiry-buttons {
    gap: 15px;
    margin-top: 25px;
  }
  
  .inquiry-btn {
    font-size: 0.95rem;
    padding: 14px 35px;
    min-width: 180px;
  }

  .flow-steps {
    margin: 30px 0;
    padding: 15px 0;
  }
  
  .step-item {
    padding: 15px;
    margin-bottom: 15px;
  }
  
  .step-number {
    width: 35px;
    height: 35px;
    margin-right: 15px;
  }
  
  .step-list li {
    font-size: 0.85rem;
  }
}

/* スマートフォンサイズ（480px以下）でのさらなる調整 */
@media screen and (max-width: 480px) {
  .title {
    font-size: 2.5rem; /* さらに小さく */
    max-width: 95%;
    padding: 0 10px;
  }
  
  .sub {
    font-size: 1.5rem; /* さらに小さく */
    max-width: 95%;
    padding: 0 10px;
  }

  .button-container {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    max-width: 95%;
  }
  
  .main-button {
    font-size: 0.9rem;
    padding: 10px 20px;
    width: 100%;
  }
  
  .box01-title {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .inquiry-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
  }
  
  .inquiry-btn {
    font-size: 0.9rem;
    padding: 12px 30px;
    width: 90%;
    max-width: 280px;
    min-width: auto;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
    padding: 15px;
  }
  
  .step-number {
    margin-right: 0;
    margin-bottom: 15px;
    align-self: center;
  }
  
  .step-content {
    text-align: left;
  }
  
  .step-list li {
    font-size: 0.8rem;
  }
}

/* 非常に小さい画面（320px以下）での最終調整 */
@media screen and (max-width: 320px) {
  .title {
    font-size: 2rem;
    line-height: 1.2; /* 行間を調整 */
  }
  
  .sub {
    font-size: 1.2rem;
    line-height: 1.3;
  }
}