:root {
      --primary: #1d5c2e; /* 深緑 */
      --secondary: #aaaaaa; /* ゴールドアクセント */
      --dark: #202020;
      --max-width: 1240px;
    }

    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    body{font-family:"Roboto","Noto Serif JP",sans-serif;line-height:1.7;color:var(--dark);background:var(--light);}    
    a{color:inherit;text-decoration:none;}
    img{display:block;width:100%;height:auto;}

    /* ------------ Header & Nav ------------ */
    header{width:100%;position:fixed;top:0;left:0;z-index:100;background:#004d40;color:white;box-shadow:0 2px 4px rgba(255,255,255,1.0);}    
    .nav-container{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1.25rem;}    
    .logo{font-size:1.25rem;font-weight:700;color:var(--primary);letter-spacing:.05em;display:flex;align-items:center;gap:.5rem;}
    nav ul{list-style:none;display:flex;gap:1.25rem; font-size: min(1.5vw,17px);}
    nav li{position:relative;}
    nav li::after{content:"";position:absolute;width:0;height:2px;background:white;left:0;bottom:-4px;transition:.3s ease;}
    nav li:hover::after{width:100%;}
    /* Hamburger */
    .hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;}
    .hamburger span{display:block;width:24px;height:2px;background:var(--primary);transition:.3s;}

    /* ------------ Hero ------------ */
    .hero{position:relative;}
    .hero img{object-fit:cover;}
    .hero-text{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;}    
    .hero-text h1{font-size:clamp(1.75rem,5vw,3rem);line-height:1.3;font-weight:600;letter-spacing:.05em;text-shadow:0 2px 4px rgba(0,0,0,.4);}    
    .hero-text p{margin-top:1rem;font-size:1rem;}

    /* ------------ Sections ------------ */
    section{padding:3.5rem 0rem;}
    .container{max-width:var(--max-width);margin:auto;padding: 15px;}
    h2.section-title{font-size:1.5rem;margin-bottom:2rem;text-align:center;color:var(--primary);position:relative;display:inline-block;}
    h2.section-title::after{content:"";display:block;width:60%;height:2px;background:var(--secondary);margin:.5rem auto 0;}

    .intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;align-items:center;}
    .intro-text h3{color:var(--primary);font-size:1.25rem;margin-bottom:.75rem;}

    /* News */
    .news-list{list-style:none;display:flex;flex-direction:column;gap:1rem;}
    .news-item{background:#fff;border-left:4px solid var(--primary);padding:1rem;box-shadow:0 2px 4px rgba(0,0,0,.05);}
    .news-item time{font-weight:600;color:var(--primary);margin-right:.5rem;}

    /* Facilities grid */
    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;}
    .card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:transform .3s;}
    .card:hover{transform:translateY(-3px);}    
    .card h3{padding:1rem;font-size:1.125rem;color:var(--primary);}

    /* Access */
    .access-info{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem;font-size:.95rem;}
    .contact-btn{display:inline-block;margin-top:1rem;background:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:4px;transition:.3s;}
    .contact-btn:hover{background:var(--secondary);color:var(--dark);}    

    /* Footer */
    footer{background:var(--dark);color:var(--light);padding:2rem 1rem;}
    .footer-nav{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center;margin-bottom:1rem;font-size:.875rem;list-style: none;color: white;}
    .footer-nav a{color:var(--light);}
    .copyright{text-align:center;font-size:.75rem; color: white;}

    /* Responsive */
@media (max-width: 940px) {
  /* 初期状態：右に隠す */
  #nav-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -250px; /* ← 右に隠す */
    width: 250px;
    height: 100vh;
    background: #004d40;
    padding: 2rem 1rem;
    transition: right 0.3s ease;
    z-index: 999;
  }

  #nav-menu.active {
    right: 0; /* ← 表示状態 */
  }

  #nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }

  #nav-menu a {
    color: white;
    font-weight: bold;
    text-decoration: none;
    font-size: 1rem;
  }

  /* ハンバーガー表示 */
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    position: relative;
    z-index: 1000;
    margin-top: 15px;
  }

  .hamburger span {
    width: 24px;
    height: 3px;
    background: white;
  }
}
@media (max-width: 600px) {
  .footer-nav li {
    flex: 1 1 30%;     /* 👈 約3列ぶんで折り返す */
    text-align: center;
  }
}
@media (max-width: 600px) {
  .hero-text h1{
    font-size: 5vw;
  }
  .hero-text p{
    margin-top: 3px;
    font-size: 3vw;
  }
  section{
    padding: 0;
    margin-top: 75px;
    margin-bottom: 100px;
  }
  .container{
    padding: 15px;
  }

}
@media(min-width:601px){
    .sp{
        display: none !important;
    }
}
@media(max-width:600px){
    .pc{
        display: none !important;
    }
}