body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: #fff;
  border-bottom: 1px solid #ccc;
}
.logo img {
  height: 40px;
}
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}
.main-nav ul li {
  margin-left: 20px;
}
.main-nav ul li a {
  text-decoration: none;
  color: #333;
}
.main-visual {
  background: url('img/gitp_banner.png') no-repeat center/cover;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative; /* 가상요소 배치 위해 추가 */
}

.main-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5); /* 50% 투명한 검은색 덮개 */
}
.visual-content {
  text-align: center;
  position: relative;
  z-index: 2; /* 글자 위에 표시 */
  color: white; /* 글자 색상 지정 */
}
.visual-text h2 {
  font-size:30px;
  font-weight: bold;
}
.visual-text p {
  margin: 10px 0;
  font-size: 30px;
}
.small-text {
  font-size: 14px;
}
.quick-links {
  background: #003366;
  color: #fff;
  display: flex;
  justify-content: space-around;
  padding: 20px 0;
}
.quick-item {
  text-align: center;
}
.phone span {
  display: block;
  font-size: 12px;
}
.features {
  display: flex;
  justify-content: space-around;
  padding: 30px 0;
  background: #fff;
}
.feature {
  text-align: center;
  width: 22%;
}
.site-footer {
  text-align: center;
  padding: 15px;
  background: #003366;
  color: #fff;
}

/* ✅ 추가된 4단 정보 컬럼 스타일 */
.info-section {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 40px 0;
  background: #f4f4f4;
}
.info-box {
  flex: 1 1 22%;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.info-box img {
  width: 50px;
  margin-bottom: 15px;
}
.info-box h3 {
  margin-bottom: 10px;
  font-size: 1.2em;
  color: #222;
}
.info-box p {
  font-size: 0.95em;
  line-height: 1.6;
  color: #555;
}
.notice {
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  max-width: 800px;
  width: 100%;
  margin: 40px auto;
  text-align: center;
}
.notice h1 {
  font-size: 2.4em;
  color: #333;
  margin-bottom: 20px;
}
.notice p {
  font-size: 1.1em;
  line-height: 1.8;
  color: #555;
  margin-top: 15px;
}