/* =========================
   Base
========================= */

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family: "Helvetica Neue","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;
  background:#ffffff;
  color:#333;
  line-height:1.7;
}

.container{
  width:90%;
  max-width:1100px;
  margin:auto;
  padding:0 20px;
}

/* =========================
Hamburger Menu
========================= */

.hamburger{
display:none;
width:30px;
cursor:pointer;
flex-direction:column;
gap:6px;
}

.hamburger span{
width: 30px;
height:6px;
background:#0b2c4d;
display:block;
border-radius:3px;
margin: 2px 0;
}


/* =========================
Mobile Navigation
========================= */

@media(max-width:1180px){

.hamburger{
display:flex;
}

nav{
position:absolute;
top:70px;
left:0;
width:100%;
background:white;

max-height:0;
overflow:hidden;

transition:0.3s;
}

nav.open{
display: block;
position: absolute;
top: 70px;
left: 0;
width: 100%;
max-height:800px;
box-shadow:0 10px 20px rgba(0,0,0,0.1);
}

nav.open ul{
flex-direction: column;
padding: 20px;
gap: 15px;
}

nav ul{
flex-direction:column;
gap:0;
}

nav li{
border-bottom:1px solid #eee;
}

nav a{
display:block;
padding:15px 20px;
}

}



/* =========================
   Header
========================= */

header{
  background:#ffffff;
  border-bottom:1px solid #e5e5e5;
  position:sticky;
  top:0;
  z-index:1000;
}

.header-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:80px;
  padding: 0 20px;
}

.logo img{
  height: 50px;
  width: auto;
  display: block;
}

/* ===================================
   Navigation
=================================== */

nav{
z-index: 999;
}

nav ul{
  display:flex;
  gap:25px;
  list-style:none;
}

nav li{
  margin-left:25px;
}

nav a{
  text-decoration:none;
  color:#333;
  font-size:14px;
  font-weight:500;
  position:relative;
  transition:0.3s;
}

nav a:hover{
  color:#0b2c4d;
}

nav a::after{
content:"";
position:absolute;
left:0;
bottom:-5px;
width:0;
height:2px;
background:#0b2c4d;
transition:0.3s;
}

nav a:hover::after{
width:100%;
}


/* =========================
   Hero
========================= */

.hero{
  background:
    linear-gradient(
      rgba(11,44,77,0.7),
      rgba(11,44,77,0.7)
    ),
    url("img/factory.jpg");
  background-size:cover;
  background-position:center;
  color:white;
  padding:140px 20px;
  text-align:center;
}

.hero-inner{
max-width:800px;
margin:auto;
}

.hero h1{
  font-size:42px;
  margin-bottom:20px;
  line-height:1.4;
}

.hero p{
  font-size:18px;
  margin-bottom:30px;
  opacity:0.9;
}

.hero-buttons{
display:flex;
gap:20px;
justify-content:center;
flex-wrap:wrap;
}

.btn-outline{
background:transparent;
border:2px solid white;
}

.btn-outline:hover{
background:white;
color:#0b2c4d;
}

/* =========================
   Page Hero
========================= */

.page-hero{
background:#0b2c4d;
color:white;
padding:90px 20px;
text-align:center;
}

.page-hero h1{
font-size:36px;
margin-bottom:10px;
}

.page-hero p{
font-size:16px;
opacity:0.9;
}


/* =========================
   Section
========================= */

section{
  padding:80px 0;
}

.bg-light{
background:#f6f7f9;
}

.section-title{
  font-size:32px;
  text-align:center;
  margin-bottom:40px;
  color:#0b2c4d;
  position:relative;
}

.section-title::after{
content:"";
display:block;
width:60px;
height:3px;
background:#0b2c4d;
margin:15px auto 0;
}

.text-center{
  text-align:center;
}

/* ===================================
   Card Design
=================================== */

.card-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

.card{
background:white;
padding:30px;
border-radius:8px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
box-shadow:0 10px 30px rgba(0,0,0,0.1);
}


/* =========================
   About
========================= */

.about{
  background:#fff;
}

.about p{
  max-width:800px;
  margin:0 auto;
}

/* =========================
   Strengths
========================= */

.strengths{
  background:#f0f2f5;
}

.strength-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}

.strength-card{
  background:#fff;
  padding:30px;
  border-left:5px solid #0b2c4d;
}

.strength-card h3{
  margin-bottom:10px;
  color:#0b2c4d;
}

/* =========================
   Business
========================= */

.business{
  background:#fff;
}

.business-list{
  max-width:700px;
  margin:auto;
}

.business-list li{
  margin-bottom:10px;
}

/* =========================
   Strength Detail
========================= */

.strength-section{
padding:80px 0;
}

.bg-light{
background:#f0f2f5;
}

.strength-block{
display:flex;
align-items:center;
gap:50px;
}

.reverse{
flex-direction:row-reverse;
}

.strength-text{
flex:1;
}

.strength-text h2{
font-size:24px;
color:#0b2c4d;
margin-bottom:15px;
}

.strength-image{
flex:1;
}

.strength-image img{
width:100%;
border-radius:6px;
}

/* =========================
   Technology Intro
========================= */

.tech-section{
padding:70px 0;
background:#fff;
}

.tech-intro{
text-align:center;
max-width:700px;
margin:0 auto;
}


/* =========================
   Precision
========================= */

.precision-section{
background:#f0f2f5;
padding:80px 0;
}

.precision-grid{
display:grid;
grid-template-columns:repeat(2,1fr);
gap:40px;
}

.precision-card{
background:#fff;
padding:40px;
border-radius:6px;
box-shadow:0 2px 8px rgba(0,0,0,0.05);
}

.precision-card h3{
color:#0b2c4d;
margin-bottom:10px;
}

.precision-value{
margin-top:20px;
}

.precision-item{
margin-bottom:15px;
}

.precision-label{
display:block;
font-size:14px;
color:#777;
}

.precision-number{
font-size:22px;
font-weight:bold;
}

.highlight .precision-number{
color:#0b2c4d;
font-size:26px;
}


/* =========================
   Technology Detail
========================= */

.tech-detail{
padding:80px 0;
}

.tech-flex{
display:flex;
align-items:center;
gap:50px;
}

.tech-flex.reverse{
flex-direction:row-reverse;
}

.tech-text{
flex:1;
}

.tech-text h2{
color:#0b2c4d;
margin-bottom:15px;
}

.tech-text ul{
margin:15px 0;
padding-left:20px;
}

.tech-image{
flex:1;
}

.tech-image img{
width:100%;
border-radius:6px;
}

/* =========================
   Business Detail
========================= */

.business-detail{
padding:80px 0;
}

.business-flex{
display:flex;
align-items:flex-start;
gap:50px;
}

.business-flex.reverse{
flex-direction:row-reverse;
}

.business-image{
flex:1;
}

.business-image img{
width:100%;
border-radius:6px;
}

.business-text{
flex:1.2;
}

.business-text h2{
color:#0b2c4d;
margin-bottom:15px;
}

.business-text h3{
margin-top:20px;
margin-bottom:8px;
font-size:16px;
color:#333;
}

.business-text ul{
padding-left:20px;
margin-bottom:10px;
}

.business-text li{
margin-bottom:5px;
}

/* =========================
   Equipment
========================= */

.equipment-section{
padding:80px 0;
}

.equipment-title{
font-size:26px;
color:#0b2c4d;
margin-bottom:40px;
text-align:center;
}

.equipment-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:30px;
}

.equipment-card{
background:#fff;
border-radius:6px;
box-shadow:0 2px 8px rgba(0,0,0,0.08);
overflow:hidden;
}

.equipment-card img{
width:100%;
height:200px;
object-fit:cover;
}

.equipment-card h3{
font-size:18px;
padding:15px 15px 5px;
color:#0b2c4d;
}

.equipment-card p{
padding:0 15px;
font-size:14px;
margin-bottom:6px;
}

.equipment-card p:last-child{
padding-bottom:20px;
}

/* =========================
   Company
========================= */

.company-section{
padding:80px 0;
}

.company-table{
display:block;
overflow-x:auto;
white-space:nowrap;
width:100%;
border-collapse:collapse;
max-width:900px;
margin:auto;
background:#fff;
}

.company-table th{
background:#f0f2f5;
text-align:left;
padding:15px;
width:220px;
border-bottom:1px solid #ddd;
}

.company-table td{
padding:15px;
border-bottom:1px solid #ddd;
}


/* =========================
   History
========================= */


.history-section{
padding:80px 0;
}

.history-list{
max-width:800px;
margin:auto;
}

.history-item{
display:flex;
flex-direction:column;
border-bottom:1px solid #ddd;
padding:15px 0;
}

.history-year{
width:150px;
font-weight:bold;
color:#0b2c4d;
margin-bottom:5px;
}

.history-text{
flex:1;
}

/* =========================
   Access
========================= */

.access-section{
padding:80px 0 40px;
text-align:center;
}

.access-info{
font-size:18px;
line-height:1.8;
}

.access-info img{
width: 100%;
margin: 20PX;
}


/* =========================
   Map
========================= */

.map-section{
padding:40px 0 80px;
}

.map-wrapper{
max-width:1000px;
margin:auto;
border-radius:8px;
overflow:hidden;
box-shadow:0 5px 20px rgba(0,0,0,0.1);
}


/* =========================
   Access Guide
========================= */

.access-guide{
padding:80px 0;
}

.guide-list{
max-width:900px;
margin:auto;
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
}

.guide-item{
background:white;
padding:30px;
border-radius:8px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
}

.guide-item h3{
margin-bottom:10px;
color:#0b2c4d;
}

/* =========================
   Contact
========================= */

.contact-section{
padding:80px 0;
}

.contact-lead{
text-align:center;
margin-bottom:40px;
color:#555;
}

.contact-form{
max-width:700px;
margin:auto;
}

.form-group{
margin-bottom:25px;
display:flex;
flex-direction:column;
}

.form-group label{
font-weight:bold;
margin-bottom:8px;
}

.required{
color:#e60023;
font-size:12px;
margin-left:5px;
}

.form-group input,
.form-group textarea{
padding:12px;
border:1px solid #ccc;
border-radius:4px;
font-size:16px;
}

.form-group input:focus,
.form-group textarea:focus{
outline:none;
border-color:#0b2c4d;
}

/* =========================
   Submit Button
========================= */

.form-submit{
text-align:center;
margin-top:40px;
}

.form-submit button{
background:#0b2c4d;
color:white;
padding:14px 40px;
border:none;
border-radius:4px;
font-size:16px;
cursor:pointer;
transition:0.3s;
}

.form-submit button:hover{
background:#154a7a;
}


/* =========================
   Contact Info
========================= */

.contact-info{
padding:80px 0;
text-align:center;
}

.contact-info .tel{
font-size:26px;
font-weight:bold;
margin:20px 0;
color:#0b2c4d;
}


/* =========================
   Button
========================= */

.btn{
  display:inline-block;
  font-size:14px;
  padding:12px 30px;
  background:#0b2c4d;
  color:white;
  text-decoration:none;
  border-radius:4px;
  margin-top:20px;
  transition:0.3s;
}

.btn:hover{
  background:#154a7a;
}

/* ===================================
   Table
=================================== */

table{
width:100%;
border-collapse:collapse;
}

th,td{
padding:14px;
border-bottom:1px solid #ddd;
}

th{
background:#f2f4f7;
text-align:left;
}

/* =========================
   Footer
========================= */

footer{
  background:#0b2c4d;
  color:white;
  padding:40px 20px;
  margin-top: 80px;
  text-align:center;
}

footer p{
  font-size:14px;
  margin: 5px 0;
}

/* ===================================
   Hover Animation
=================================== */

a,
button{
transition:all 0.3s ease;
}


/* =========================
   Responsive
========================= */

@media(max-width:768px){

  .header-inner{
    height: auto;
    padding: 0 10px;
  }

  nav ul{
    flex-wrap:wrap;
    justify-content:center;
    gap: 15px;
    margin-top:10px;
  }

  nav li{
    margin:10px;
  }

  .section-title{
    font-size: 26px;
  }

  .hero{
    padding:80px 20px;
  }

  .hero h1{
    font-size:26px;
  }

  .page-hero h1{
    font-size:28px;
  }

  .strength-grid{
    grid-template-columns:1fr;
  }

}


@media(max-width:768px){

.strength-block{
flex-direction:column;
}

.reverse{
flex-direction:column;
}

}

@media(max-width:768px){

.precision-grid{
grid-template-columns:1fr;
}

.tech-flex{
flex-direction:column;
}

.tech-flex.reverse{
flex-direction:column;
}

}

@media(max-width:768px){

.business-flex{
flex-direction:column;
}

.business-flex.reverse{
flex-direction:column;
}

}
@media(max-width:900px){

.equipment-grid{
grid-template-columns:repeat(2,1fr);
}

}

@media(max-width:600px){

.equipment-grid{
grid-template-columns:1fr;
}

}

@media(max-width:768px){

.history-item{
flex-direction:column;
}

.history-year{
margin-bottom:5px;
}

.company-table th{
width:120px;
}

}

@media(max-width:768px){

.guide-list{
grid-template-columns:1fr;
}

}




/* ===================================
   Mobile Optimization
=================================== */

@media (max-width:768px){

/* ========================
   Base
======================== */

body{
font-size:15px;
}

.container{
padding:0 16px;
}


/* ========================
   Guide
======================== */

.guide-list{
grid-template-columns:1fr;
gap:20px;
}


/* ========================
   Form
======================== */

.contact-form{
width:100%;
}

.form-group input,
.form-group textarea{
font-size:16px;
}


/* ========================
   Button
======================== */

.btn{
width:100%;
text-align:center;
}


/* ========================
   Map
======================== */

.map-wrapper iframe{
height:300px;
}


/* ========================
   Footer
======================== */

footer{
font-size:13px;
padding:30px 10px;
}

}