.section-portfolio {
  padding: 225px 60px 60px;
}

h2.section-title {
  font-size: 95px;
  font-weight: 700;
  color: var(--color-primary);
}

.portfolio-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 30px;
  row-gap: 100px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.portfolio-list li {
  width: 100%;
}

.portfolio-list li a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.portfolio-list li a img {
  width: 100%;
  height: auto;
  display: block;
}

.portfolio-list li a h4 {
  margin: 15px 0 5px;
  font-size: 20px;
  color: var(--color-text-secondary);
}

.portfolio-list li a p {
  margin: 0;
  font-size: 25px;
  color: var(--color-text-primary);
}

/* 반응형 미디어 쿼리 */
@media (max-width: 1024px) {
  .section-portfolio {
    padding: 180px 40px 40px;
  }
  
  h2.section-title {
    font-size: 72px;
  }
  
  .portfolio-list {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 24px;
    row-gap: 80px;
  }
  
  .portfolio-list li a h4 {
    font-size: 18px;
  }
  
  .portfolio-list li a p {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .section-portfolio {
    padding: 140px 20px 30px;
  }
  
  h2.section-title {
    font-size: 56px;
  }
  
  .portfolio-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 20px;
    row-gap: 60px;
  }
  
  .portfolio-list li a h4 {
    font-size: 16px;
    margin: 12px 0 4px;
  }
  
  .portfolio-list li a p {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .section-portfolio {
    padding: 120px 15px 20px;
  }
  
  h2.section-title {
    font-size: 42px;
  }
  
  .portfolio-list {
    grid-template-columns: 1fr;
    row-gap: 40px;
  }
  
  .portfolio-list li a h4 {
    font-size: 14px;
    margin: 10px 0 4px;
  }
  
  .portfolio-list li a p {
    font-size: 18px;
  }
}