body{
    margin:0;
    font-family:"Noto Sans JP", sans-serif;
    color:#222;
}

/* NAV */
.nav{
    position:fixed;
    width:100%;
    background:#fff;
    border-bottom:1px solid #eee;
    z-index:1000;
}
.nav-inner{
    display:flex;
    justify-content:space-between;
    padding:15px 40px;
}
.nav a{
    margin-left:20px;
    text-decoration:none;
    color:#333;
}

/* HERO */
.hero{
    height:90vh;
    background:url("shikotsuko01.png") center/cover;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    color:white;
}
.hero h1{
    font-size:3vw;
}

/* SECTION */
.section{
    padding:80px 10%;
}
.section.dark{
    background:#111;
    color:white;
}

/* GRID */
.grid-2{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
}

/* CARDS */
.cards{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}
.card{
    padding:20px;
    border:1px solid #eee;
    background:#fafafa;
}

/* LIST */
.list{
    line-height:2;
}

/* TEXT */
.text{
    line-height:1.9;
}

/* FOOTER */
footer{
    text-align:center;
    padding:30px;
    background:#000;
    color:white;
}

/* RESPONSIVE */
@media(max-width:768px){
    .grid-2{grid-template-columns:1fr;}
    .cards{grid-template-columns:1fr;}
    .hero h1{font-size:6vw;}
}