:root {
	--primary: #1456A0;
	--primary-dark: #0B3060;
	--accent: #3AADE0;
	--gray-light: #f5f8fc;
}

#header {
  background: #fff;
  width: 100%;
  padding: 20px 30px;
  top: 0;
}


#header .pc-navi #g-navi .g-navi-right {
  box-shadow: none;
}


.pc-navi #g-navi ul li a p {
  color: #102f51;
  text-shadow: none;
}

.pc-navi .tel-box{
  color: #102f51;
  text-shadow: none;
}

.page-hero {
	position: relative;
	height: 500px;
	background: linear-gradient(135deg, #0B3060 0%, #1456A0 60%, #3AADE0 100%);
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	margin-top: 0;
  padding-top: 75px;
}

.page-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background: url('../img/slide/slide-piping-work.jpg') center/cover no-repeat;
	opacity: 0.15;
}

.page-hero-content {
	position: relative;
	text-align: center;
	color: #fff;
}

.page-hero-content .section-label {
	display: block;
	color: rgba(255,255,255,0.8);
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 5px;
	margin-bottom: 12px;
}

.page-hero-content h1 {
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: 800;
	letter-spacing: 3px;
}

.breadcrumb {
	display: flex;
	align-items: center;
	gap: 8px;
	justify-content: center;
	margin-top: 15px;
	font-size: 0.85rem;
	color: rgba(255,255,255,0.75);
}

.breadcrumb a {
	color: rgba(255,255,255,0.75);
	text-decoration: none;
}

.breadcrumb a:hover {
	color: #fff;
}

.section-label {
    display: block;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.main-area{
  max-width: 1360px;
  padding: 80px 50px;
}


@media (max-width: 1480px) {
    .main-area {
        padding: 80px 4vw;
    }
}


@media (max-width: 1200px) {
    .main-area {
        padding-left: 4vw;
        padding-right: 4vw;
    }
}

@media (max-width: 1024px) {
  
  
  
  #header {
    padding: 10px 20px;
    top: 0;
    height: 70px;
  }
  
  .sp-navi .toggle_btn {
    right: 20px;
    top: 10px;
  }

	.page-hero { 
    margin-top: 70px; 
    height: 250px; 
    padding-top: 1vw;
  }
  
  .page-hero-content h1 {
    font-size: max(2.1rem, 4.5vw);
  }
  
  .page-hero-content .section-label {
    font-size: 0.7rem;
    letter-spacing: 5px;
    margin-bottom: 5px;
  }

  .breadcrumb {
    color: #fff;
    gap: 8px;
    margin-top: 10px;
    font-size: 0.7rem;
  }
  
  .breadcrumb a {
    color: #fff;
  }
}

@media (max-width: 768px) {
    .main-area {
        padding: 50px 20px;
  }

}