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

/* ヘッダー */
header{
position:fixed;
top:0;
width:100%;
background:#fff;
padding:20px;
z-index:999;
}

/* ヒーロー */
.hero{
height:100vh;
background:url('http://tennis-golf-lab.com/wp-content/uploads/2026/03/HERO.jpg') center/cover no-repeat;
display:flex;
align-items:center;
justify-content:flex-start;
padding-left:10%;
color:#fff;
position:relative;
}

.hero::after{
content:"";
position:absolute;
inset:0;
background:rgba(0,0,0,0.4);
}

.hero-content{
position:relative;
z-index:2;
}

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

.hero p{
margin-bottom:20px;
}

/* ボタン */
.btn{
background:#000;
color:#fff;
padding:15px 30px;
border-radius:30px;
text-decoration:none;
display:inline-block;
}

/* セクション */
.section{
padding:80px 20px;
max-width:1100px;
margin:auto;
text-align:center;
}

.grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:20px;
}

.card{
padding:30px;
background:#f7f7f7;
border-radius:10px;
}

/* CTA */
.cta{
padding:80px;
text-align:center;
background:#000;
color:#fff;
}


.hero{
justify-content:flex-start;
padding-left:10%;
}

.hero-content.left{
text-align:left;
max-width:600px;
}

.hero h1{
font-size:48px;
line-height:1.4;
}

.hero::after{
background:linear-gradient(
90deg,
rgba(0,0,0,0.7) 0%,
rgba(0,0,0,0.3) 40%,
rgba(0,0,0,0) 100%
);
}

.btn{
background:linear-gradient(135deg,#c9a646,#f5d97a);
color:#000;
font-weight:bold;
padding:16px 32px;
border-radius:50px;
box-shadow:0 10px 30px rgba(0,0,0,0.3);
}

.line-btn{
position:fixed;
right:20px;
bottom:20px;
background:#06C755;
color:#fff;
padding:14px 20px;
border-radius:50px;
font-weight:bold;
z-index:9999;
box-shadow:0 10px 30px rgba(0,0,0,0.3);
}

.line-btn{
position:fixed;
right:20px;
bottom:20px;
background:#06C755;
color:#fff;
padding:14px 20px;
border-radius:50px;
font-weight:bold;
z-index:9999;
box-shadow:0 10px 30px rgba(0,0,0,0.3);
text-decoration:none;
transition:0.3s;
}

.line-btn:hover{
transform:translateY(-3px);
box-shadow:0 15px 40px rgba(0,0,0,0.4);
}

.links{
padding:80px 20px;
text-align:center;
}

.links ul{
list-style:none;
padding:0;
}

.links li{
margin:10px 0;
}

.links a{
color:#000;
font-weight:bold;
text-decoration:none;
font-size:18px;
}


h1{
font-size:28px;
margin-bottom:20px;
}

h2{
margin-top:40px;
font-size:22px;
border-left:4px solid #0b3d91;
padding-left:10px;
}

ul,ol{
line-height:2;
}