/* ===========================
   Re:BORN Premium Style CSS
   高級感あるリノベ・不動産・雑貨サイト
=========================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500&family=Inter:wght@300;400;500&display=swap');

:root{
    --bg:#f4f3f1;
    --white:#ffffff;
    --black:#111111;
    --text:#2a2a2a;
    --sub:#777;
    --line:#dedbd6;
    --accent:#9a8364;
    --dark:#161616;
}

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

html{
    scroll-behavior:smooth;
}

body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter', sans-serif;
    line-height:1.8;
    letter-spacing:0.03em;
    overflow-x:hidden;
}

/* ===========================
   共通
=========================== */

.container{
    width:90%;
    max-width:1400px;
    margin:auto;
}

.section{
    padding:120px 0;
}

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

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

ul{
    list-style:none;
}

.section-title{
    font-family:'Noto Serif JP', serif;
    font-size:42px;
    font-weight:400;
    margin-bottom:30px;
    letter-spacing:0.08em;
}

.section-sub{
    color:var(--sub);
    font-size:14px;
    letter-spacing:0.2em;
    text-transform:uppercase;
    margin-bottom:15px;
}

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

header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:999;
    transition:.4s;
    background:rgba(10,10,10,.35);
    backdrop-filter:blur(18px);
}

.header-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:28px 60px;
}

.logo{
    font-family:'Noto Serif JP', serif;
    color:white;
    font-size:34px;
    letter-spacing:0.08em;
}

.logo span{
    display:block;
    font-size:11px;
    letter-spacing:.25em;
    opacity:.7;
}

nav ul{
    display:flex;
    gap:40px;
}

nav a{
    color:white;
    font-size:14px;
    position:relative;
    transition:.3s;
}

nav a::after{
    content:"";
    position:absolute;
    bottom:-8px;
    left:0;
    width:0;
    height:1px;
    background:white;
    transition:.3s;
}

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

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

.hero{
    height:100vh;
    position:relative;
    display:flex;
    align-items:center;
    overflow:hidden;
}

.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(to right,
        rgba(0,0,0,.65),
        rgba(0,0,0,.25));
    z-index:1;
}

.hero video,
.hero img{
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
}

.hero-content{
    position:relative;
    z-index:3;
    color:white;
    max-width:700px;
    padding-left:8%;
}

.hero h1{
    font-family:'Noto Serif JP', serif;
    font-size:76px;
    line-height:1.4;
    font-weight:300;
    margin-bottom:35px;
    letter-spacing:0.08em;
}

.hero p{
    font-size:18px;
    opacity:.85;
    margin-bottom:50px;
    line-height:2;
}

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

.btn-group{
    display:flex;
    gap:20px;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:220px;
    height:62px;
    border:1px solid rgba(255,255,255,.5);
    color:white;
    transition:.35s;
    font-size:14px;
    letter-spacing:.08em;
    background:transparent;
    position:relative;
    overflow:hidden;
}

.btn::before{
    content:"";
    position:absolute;
    inset:0;
    background:white;
    transform:translateY(100%);
    transition:.35s;
    z-index:-1;
}

.btn:hover{
    color:black;
}

.btn:hover::before{
    transform:translateY(0);
}

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

.about-grid{
    display:grid;
    grid-template-columns:1fr 1.2fr;
    gap:80px;
    align-items:center;
}

.about-text{
    padding-right:40px;
}

.about-text p{
    color:#555;
    margin-top:25px;
}

.about-image{
    overflow:hidden;
}

.about-image img{
    transition:1.2s;
}

.about-image:hover img{
    transform:scale(1.05);
}

/* ===========================
   Service Cards
=========================== */

.service-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:25px;
}

.service-card{
    background:white;
    padding:35px;
    border:1px solid var(--line);
    transition:.4s;
    position:relative;
    overflow:hidden;
}

.service-card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:3px;
    background:var(--accent);
    transform:scaleX(0);
    transform-origin:left;
    transition:.4s;
}

.service-card:hover{
    transform:translateY(-8px);
    box-shadow:0 25px 60px rgba(0,0,0,.08);
}

.service-card:hover::before{
    transform:scaleX(1);
}

.service-card h3{
    font-family:'Noto Serif JP', serif;
    margin-bottom:20px;
    font-size:24px;
}

.service-card p{
    color:#666;
    font-size:14px;
}

.service-card img{
    margin-top:30px;
    border-radius:2px;
}

/* ===========================
   商品一覧
=========================== */

.product-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:22px;
}

.product{
    transition:.3s;
}

.product-image{
    overflow:hidden;
    margin-bottom:15px;
}

.product img{
    transition:.7s;
}

.product:hover img{
    transform:scale(1.08);
}

.product-name{
    font-size:15px;
    margin-bottom:8px;
}

.price{
    color:#777;
    font-size:14px;
}

/* ===========================
   FAQ
=========================== */

.faq-item{
    border-bottom:1px solid var(--line);
    padding:22px 0;
}

.faq-question{
    display:flex;
    justify-content:space-between;
    cursor:pointer;
    font-size:15px;
}

.faq-question span{
    color:#888;
}

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

.contact-box{
    background:white;
    padding:50px;
    border:1px solid var(--line);
}

.contact-box h3{
    font-family:'Noto Serif JP', serif;
    font-size:34px;
    margin-bottom:20px;
}

.phone{
    font-size:40px;
    font-weight:300;
    margin:25px 0;
    letter-spacing:0.05em;
}

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

footer{
    background:var(--dark);
    color:#ddd;
    padding:100px 0 40px;
}

.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:60px;
}

.footer-title{
    font-family:'Noto Serif JP', serif;
    font-size:20px;
    margin-bottom:25px;
}

.footer-link{
    display:block;
    color:#aaa;
    margin-bottom:12px;
    transition:.3s;
}

.footer-link:hover{
    color:white;
}

.copyright{
    border-top:1px solid rgba(255,255,255,.08);
    margin-top:70px;
    padding-top:30px;
    text-align:center;
    font-size:12px;
    color:#777;
}

/* ===========================
   Scroll Fade
=========================== */

.fade-up{
    opacity:0;
    transform:translateY(40px);
    transition:1s;
}

.fade-up.active{
    opacity:1;
    transform:translateY(0);
}

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

@media(max-width:1200px){

    .service-grid{
        grid-template-columns:repeat(3,1fr);
    }

    .product-grid{
        grid-template-columns:repeat(3,1fr);
    }
}

@media(max-width:768px){

    .header-inner{
        padding:20px;
    }

    nav{
        display:none;
    }

    .hero{
        height:85vh;
    }

    .hero h1{
        font-size:44px;
    }

    .hero-content{
        padding:0 30px;
    }

    .btn-group{
        flex-direction:column;
    }

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

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

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

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

    .section{
        padding:80px 0;
    }

}

.hero{
    position:relative;
    height:100vh;
}

.hero-image{
    width:100%;
    height:100vh;
    object-fit:cover;
    display:block;
}

.hero-content{
    position:absolute;
    top:50%;
    left:80px;
    transform:translateY(-50%);
    color:white;
    z-index:10;
}

.hero-content h1{
    font-size:60px;
}

.hero-content p{
    margin-top:20px;
    font-size:18px;
}