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

.site-header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    z-index: 9999;
}

.header-inner{
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo a{
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.logo-ja{
    font-size: 32px;
    font-weight: 700;
    color: #0A1D3F;
    line-height: 1.1;
}

.logo-en{
    margin-top: 4px;
    font-size: 13px;
    color: #777;
}

.main-nav{
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu{
    display: flex;
    gap: 40px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu a{
    color: #0A1D3F;
    text-decoration: none;
    font-weight: 600;
}

.header-btn{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    border-radius: 999px;
    background: #0A1D3F;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}

body{
    padding-top: 95px;
}

/* =====================================
   HERO
===================================== */

.hero{

    position:relative;

    height:100vh;

    display:flex;

    align-items:center;

    background-image:
        linear-gradient(rgba(10,29,63,.55),rgba(10,29,63,.55)),
        url("../images/hero.jpg");

    background-size:cover;

    background-position:center;

}

.hero-overlay{

    position:absolute;

    inset:0;

}

.hero-content{

    position:relative;

    color:#fff;

    z-index:2;

    max-width:700px;

}

.hero-sub{

    font-size:14px;

    letter-spacing:5px;

    text-transform:uppercase;

    margin-bottom:20px;

    color:#ffffffcc;

}

.hero h1{

    font-size:72px;

    line-height:1.2;

    margin-bottom:30px;

    font-weight:700;

}

.hero-text{

    font-size:20px;

    line-height:2;

    margin-bottom:45px;

    color:#f2f2f2;

}

.hero-buttons{

    display:flex;

    gap:20px;

}

.btn{

    display:inline-flex;

    justify-content:center;

    align-items:center;

    padding:18px 40px;

    border-radius:999px;

    background:#0A1D3F;

    color:#fff;

    text-decoration:none;

    font-weight:700;

    transition:.3s;

}

.btn:hover{

    transform:translateY(-3px);

}

.btn-white{

    background:#fff;

    color:#0A1D3F;

}

/*=========================
 ABOUT
=========================*/

.section{

    padding:120px 0;

}

.section-title{

    text-align:center;

    margin-bottom:70px;

}

.section-title span{

    color:#0A1D3F;

    letter-spacing:4px;

    font-weight:700;

    font-size:14px;

}

.section-title h2{

    margin-top:15px;

    font-size:42px;

    color:#0A1D3F;

}

.about-grid{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:80px;

    align-items:center;

}

.about-image img{

    width:100%;

    border-radius:18px;

    display:block;

    box-shadow:0 20px 50px rgba(0,0,0,.12);

}

.about-content h3{

    font-size:34px;

    margin-bottom:25px;

    color:#0A1D3F;

}

.about-content p{

    font-size:18px;

    line-height:2;

    margin-bottom:25px;

}

/*=========================
 BUSINESS
=========================*/

.business{

    background:#f7f8fb;

}

.business-grid{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:35px;

}

.business-card{

    background:#fff;

    border-radius:20px;

    padding:35px;

    box-shadow:0 15px 40px rgba(0,0,0,.08);

    transition:.3s;

}

.business-card:hover{

    transform:translateY(-10px);

}

.business-card img{

    width:100%;

    border-radius:15px;

    margin-bottom:25px;

}

.business-card h3{

    font-size:28px;

    color:#0A1D3F;

    margin-bottom:20px;

}

.business-card p{

    line-height:2;

    margin-bottom:25px;

}

.message{
    background:#fff;
}

.message-box{
    max-width:900px;
    margin:auto;
    text-align:center;
}

.message-text{
    font-size:22px;
    line-height:2.2;
}

.news{
    background:#f8f9fc;
}

.news-list{
    display:grid;
    gap:25px;
}

.news-card{
    background:#fff;
    padding:25px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,.06);
}

.news-date{
    color:#777;
    margin-bottom:10px;
}

.recruit,
.contact{
    text-align:center;
}

.recruit p,
.contact p{
    max-width:700px;
    margin:0 auto 35px;
    line-height:2;
}

/*==========================
MENU
==========================*/

.menu-toggle{

display:none;

width:45px;

height:45px;

background:none;

border:none;

cursor:pointer;

}

.menu-toggle span{

display:block;

height:3px;

background:#0A1D3F;

margin:8px 0;

transition:.3s;

}

@media(max-width:991px){

.main-nav{

position:fixed;

top:90px;

left:-100%;

width:100%;

background:#fff;

padding:40px;

transition:.3s;

}

.main-nav.active{

left:0;

}

.nav-menu{

flex-direction:column;

gap:25px;

}

.menu-toggle{

display:block;

}

.header-contact{

display:none;

}

}

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

@media (max-width: 991px){

    body{
        padding-top:80px;
    }

    .header-inner{
        padding:15px 20px;
    }

    .logo-ja{
        font-size:26px;
    }

    .logo-en{
        font-size:11px;
    }

    .hero{

        min-height:80vh;
        padding:80px 0;

    }

    .hero h1{

        font-size:42px;
        line-height:1.3;

    }

    .hero-text{

        font-size:16px;
        line-height:1.8;

    }

    .hero-buttons{

        flex-direction:column;
        gap:15px;

    }

    .btn{

        width:100%;

    }

    .about-grid{

        grid-template-columns:1fr;
        gap:40px;

    }

    .about-content{

        text-align:center;

    }

    .business-grid{

        grid-template-columns:1fr;

    }

    .section{

        padding:80px 0;

    }

    .section-title h2{

        font-size:32px;

    }

}

@media (max-width:576px){

    .container{

        width:92%;

    }

    .hero h1{

        font-size:34px;

    }

    .hero-text{

        font-size:15px;

    }

    .section-title h2{

        font-size:28px;

    }

    .business-card{

        padding:25px;

    }

    .message-text{

        font-size:18px;

    }

}

/*==================================
FOOTER
==================================*/

.site-footer{

    background:#0A1D3F;

    color:#fff;

    padding:80px 0 30px;

}

.footer-grid{

    display:grid;

    grid-template-columns:2fr 1fr 1fr;

    gap:60px;

}

.footer-company h2{

    font-size:34px;

    margin-bottom:20px;

}

.footer-company p{

    line-height:2;

    color:#d8dce8;

}

.footer-menu h3,
.footer-contact h3{

    margin-bottom:20px;

}

.footer-nav{

    list-style:none;

    margin:0;

    padding:0;

}

.footer-nav li{

    margin-bottom:15px;

}

.footer-nav a{

    color:#fff;

    text-decoration:none;

}

.footer-nav a:hover{

    opacity:.7;

}

.footer-contact p{

    line-height:2;

    color:#d8dce8;

    margin-bottom:25px;

}

.footer-btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:15px 35px;

    border-radius:999px;

    background:#fff;

    color:#0A1D3F;

    text-decoration:none;

    font-weight:700;

}

.footer-bottom{

    border-top:1px solid rgba(255,255,255,.15);

    margin-top:60px;

    padding-top:30px;

    text-align:center;

    color:#cfd5e3;

}

/* スマホ */

@media(max-width:991px){

.footer-grid{

    grid-template-columns:1fr;

    gap:50px;

}

.footer-company,
.footer-menu,
.footer-contact{

    text-align:center;

}

}

/*==================================
SCROLL ANIMATION
==================================*/

.fade-up{

    opacity:0;

    transform:translateY(60px);

    transition:1s;

}

.fade-up.show{

    opacity:1;

    transform:translateY(0);

}