:root{
--main-orange:#f57c00;
--sub-orange:#f4b400;
--dark:#2f2a2a;
--text:#333;
--bg:#f7f7f7;
--white:#ffffff;
--line:#e5e5e5;
}

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

body{
font-family:Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
color:var(--text);
background:#fff;
line-height:1.7;
font-weight:500;
-webkit-font-smoothing:antialiased;
}

img{
max-width:100%;
display:block;
}

a{
text-decoration:none;
color:inherit;
}

ul{
list-style:none;
}

.container{
width:90%;
max-width:1180px;
margin:auto;
}

/* header */

.site-header{
background:#fff;
border-bottom:1px solid #eee;
position:sticky;
top:0;
z-index:1000;
}

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

.logo img{
height:50px;
}

.nav ul{
display:flex;
gap:28px;
}

.nav a{
font-weight:700;
font-size:15px;
color:var(--dark);
transition:0.3s;
}

.nav a:hover{
color:var(--main-orange);
}

/* hero */

.hero{
background:
linear-gradient(rgba(32,28,28,0.82),rgba(32,28,28,0.82)),
linear-gradient(135deg,#2b2626 0%,#4b4343 100%);
color:#fff;
padding:140px 0 130px;
}

.hero-text{
max-width:760px;
}

.hero-sub{
font-size:13px;
letter-spacing:0.18em;
margin-bottom:18px;
color:#ffd27a;
font-weight:700;
}

.hero h1{
font-size:58px;
margin-bottom:24px;
font-weight:800;
line-height:1.25;
}

.hero-lead{
font-size:19px;
margin-bottom:34px;
color:#f0f0f0;
max-width:720px;
}

.hero-btns{
display:flex;
gap:15px;
flex-wrap:wrap;
}

/* buttons */

.btn{
display:inline-block;
padding:14px 30px;
border-radius:999px;
font-weight:700;
transition:0.3s;
}

.btn-primary{
background:var(--main-orange);
color:#fff;
}

.btn-primary:hover{
background:#e56e00;
}

.btn-outline{
border:2px solid #fff;
color:#fff;
}

.btn-outline:hover{
background:#fff;
color:#000;
}

.center-btn{
text-align:center;
margin-top:30px;
}

/* section */

section{
padding:90px 0;
}

.section-head{
margin-bottom:30px;
}

.section-label{
color:var(--main-orange);
font-size:12px;
font-weight:700;
letter-spacing:0.18em;
margin-bottom:12px;
display:block;
}

.section-head h2{
font-size:40px;
color:var(--dark);
font-weight:800;
}

.message-text{
font-size:18px;
max-width:900px;
}

/* card common */

.card,
.entry-card,
.work-item,
.job-item,
.company-strength-card,
.service-modern-item{
background:#fff;
border:1px solid #eee;
border-radius:16px;
padding:25px;
box-shadow:0 10px 24px rgba(0,0,0,0.05);
}

.card:hover,
.entry-card:hover,
.work-item:hover,
.job-item:hover,
.company-strength-card:hover{
transform:translateY(-4px);
box-shadow:0 14px 30px rgba(0,0,0,0.08);
transition:0.25s;
}

/* services */

.services{
background:#f7f7f7;
}

.card-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
}

.card h3{
font-size:22px;
margin-bottom:12px;
font-weight:700;
}

/* strengths */

.strength-list{
display:grid;
gap:20px;
}

.strength-item{
display:flex;
gap:18px;
background:#fff;
border-left:5px solid var(--sub-orange);
padding:22px;
border-radius:12px;
border:1px solid #eee;
}

.num{
background:var(--main-orange);
color:#fff;
width:50px;
height:50px;
display:flex;
align-items:center;
justify-content:center;
border-radius:50%;
font-weight:700;
}

/* works */

.works-preview{
background:#f7f7f7;
}

/* area */

.area{
background:#f7f7f7;
}

.area-text{
font-size:17px;
max-width:800px;
margin-bottom:25px;
}

.area-list{
display:flex;
flex-wrap:wrap;
gap:10px;
}

.area-list span{
background:#fff;
border:1px solid #eee;
padding:10px 16px;
border-radius:30px;
font-weight:700;
}

/* works cta */

.works-cta{
background:#fff;
text-align:center;
}

.works-cta h2{
font-size:34px;
margin-bottom:15px;
}

.works-cta p{
margin-bottom:20px;
}

/* recruit */

.recruit{
background:#fff5e8;
}

.recruit-box{
display:flex;
gap:30px;
flex-wrap:wrap;
align-items:center;
}

.recruit-text{
flex:1;
}

.recruit-text h2{
font-size:34px;
margin-bottom:15px;
}

.recruit-points{
display:flex;
gap:10px;
flex-wrap:wrap;
margin:20px 0;
}

.recruit-points span{
background:var(--main-orange);
color:#fff;
padding:8px 14px;
border-radius:5px;
font-size:14px;
font-weight:700;
}

.recruit-side-card{
background:#fff;
border:1px solid #eee;
padding:25px;
border-radius:12px;
min-width:250px;
}

/* company table */

.company-table{
border-top:1px solid #ddd;
border-left:1px solid #ddd;
}

.company-row{
display:grid;
grid-template-columns:200px 1fr;
}

.company-th{
background:#f5f5f5;
padding:16px;
border-right:1px solid #ddd;
border-bottom:1px solid #ddd;
font-weight:700;
}

.company-td{
padding:16px;
border-right:1px solid #ddd;
border-bottom:1px solid #ddd;
}

/* footer */

.site-footer{
background:var(--dark);
color:#fff;
padding:40px 0;
}

.footer-inner{
display:flex;
justify-content:space-between;
align-items:center;
}

.footer-logo img{
height:40px;
}

/* responsive */

@media(max-width:900px){

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

.footer-inner{
flex-direction:column;
align-items:flex-start;
}

}

@media(max-width:600px){

.hero{
padding:100px 0 90px;
}

.hero h1{
font-size:36px;
}

.hero-lead{
font-size:16px;
}

.section-head h2{
font-size:30px;
}

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

.company-row{
grid-template-columns:1fr;
}

}