/* ==========================
    システム開発事業
========================== */
.details-main {
  padding: 20px 5vw;
  margin-bottom: 40px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left !important;
}

.details-main h1 {
  margin-top: 20px;
  font-size: 1.8rem;
}

.details-main h2 {
  font-size: 1.4rem;
  margin-top: 40px; 
  margin-bottom: 10px;
  color: #444;
  border-left: 4px solid #b0a69e; /* 上品なアクセントカラー */
  padding-left: 10px;
}

.feature-section {
  padding: 20px 0;
  max-width: 1000px;  
  margin: 0 auto;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  margin-bottom: 40px;
}

.feature-item {
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 30px;
  flex: 1 1 280px;
  text-align: center
}

.feature-item img {
  width: auto;
  height: 120px;
  margin: 0;
}
    
.feature-item h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.feature-item p{
  text-align: center;
}

/* 画像+テキストセクション */
.system-img-text {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 40px;  
}

.system-img-text .system-text {
  flex: 1 1 400px; 
  margin-bottom: 0;
}
        
.system-img-text .system-text p {          
  line-height: 1.8;
}
        
.system-img-text .system-img {
  flex: 1 1 200px;
  text-align: center;
}
        
.system-img-text .system-img img {
  max-width: 100%;          
  border-radius: 12px;        
}

.details-main ul {
  padding-left: 25px;
  margin-bottom: 5px;
  text-align: left;
}

.details-main li {
  margin-bottom: 5px;
  text-align: left;
}

/* ==========================
    スマホ表示
========================== */
@media screen and (max-width: 768px) {
  .details-main {
    font-size: 0.8rem;
    margin: 40px auto;
  }

  .details-main h1 {
    font-size: 20px;
  }

  .details-main h2 {
    font-size: 18px;
  }

  .details-main p {
    text-align: left;
  }

  .feature-section {
    padding: 20px 0 0 0;
    max-width: 1000px;  
    margin: 0 auto;
  }

  .feature-item p{
    text-align: center !important;
  }

  .feature-item img {
    height: 100px;
  }
}