:root {
      --main-green: #2e8b57;
      --light-green: #a2d5a0;
      --dark-green:  #17452e;
      --text-color:  #222;
      --bg-color:    #f9fdf9;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "Noto Sans JP", sans-serif;
      font-size: 1.1rem;
      line-height: 1.8;
      color: var(--text-color);
      background: var(--bg-color);
    }
    a {
      color: var(--main-green);
      text-decoration: none;
    }
    a:hover, a:focus {
      text-decoration: underline;
      outline: none;
    }
    header {
      background: var(--main-green);
      color: #fff;
      padding: 18px 15px;
      box-shadow: 0 3px 6px rgba(0,0,0,.1);
    }
    .header-inner {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    .logo-area {
      display: flex;
      flex-direction: column;
      font-weight: bold;
      font-size: 1.9rem;
      letter-spacing: .05em;
      line-height: 1.2;
    }
    .logo-area a { color: #fff; }
    .logo-area .subtitle {
      margin-top: 4px;
      font-size: 1rem;
      font-weight: normal;
      opacity: .85;
    }
    #globalNav {
      display: flex;
      align-items: center;
    }
    #globalNav ul {
      display: flex;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    #globalNav a {
      color: #fff;
      font-weight: bold;
      position: relative;
    }
    #globalNav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 0;
      height: 2px;
      background: #fff;
      transition: width .25s;
    }
    #globalNav a:hover::after,
    #globalNav a:focus::after {
      width: 100%;
    }
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: #fff;
      cursor: pointer;
      padding: 4px 8px;
    }
    main {
      max-width: 960px;
      margin: 40px auto;
      padding: 0 15px;
    }
    section {
      margin-bottom: 60px;
    }
    h2 {
      font-size: 1.8rem;
      color: var(--dark-green);
      border-left: 5px solid var(--main-green);
      padding-left: 12px;
      margin-bottom: 24px;
    }
    p {
      margin: 0 0 16px;
      font-size: 1.15rem;
      line-height: 1.7;
    }
    .services {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 28px;
    }
    .service-card {
      background: #fff;
      border: 1px solid var(--light-green);
      border-radius: 8px;
      padding: 22px;
      box-shadow: 0 2px 10px rgba(46,139,87,.1);
      text-align: center;
    }
    .service-card h3 {
      margin-top: .7rem;
      font-size: 1.3rem;
      color: var(--main-green);
    }
    .service-card i.fa-icon {
      font-size: 64px;
      color: var(--main-green);
    }
    footer {
      margin-top: 60px;
      padding: 30px 20px;
      background: #f1f8f1;
      border-top: 1px solid var(--light-green);
      font-size: 0.95rem;
      color: #666;
      text-align: center;
    }
    footer ul {
      list-style: none;
      padding: 0;
      margin: 0 auto 12px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
    }
    footer a {
      color: #666;
    }
    @media (max-width:768px) {
      .nav-toggle { display: block; }
      #globalNav {
        width: 100%;
        order: 3;
        display: none;
      }
      #globalNav.open { display: block; }
      #globalNav ul {
        flex-direction: column;
        gap: 16px;
        padding: 18px 0;
        border-top: 1px solid rgba(255,255,255,.3);
      }
      .logo-area { font-size: 1.6rem; }
      .logo-area .subtitle { font-size: .9rem; }
      h2 { font-size: 1.5rem; }
      p { font-size: 1rem; }
      .service-card i.fa-icon { font-size: 48px; }
      footer { font-size: .9rem; padding: 20px 12px; }
      footer ul { flex-direction: column; gap: 10px; }
    }