:root {
  --z-bg: 0;
  --z-base: 10;
  --z-content: 100;
  --z-card: 500;
  --z-header: 800;
  --z-footer: 1000;
  --z-menu: 1200;
  --z-decor: 2000;
  --z-topmost: 9999;
  --z-modal-bg: 10000;
  --z-modal: 10001;
}
/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    overflow-x: hidden;

  }
  
  body {
    font-family: "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fcfcfc;
  }
  
  /* レイアウト共通 */
  .section-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin: 3rem 0 2rem;
    color: #333;
  }
  
  .site-header,
  .site-footer {
    background: #333333;
    padding: 1.5rem 2rem;
  }
  

  
.section-title h2{
  padding-top: 50px;
  padding-bottom: 70px;
}

body.loading {
  overflow: hidden;
  height: 100vh;
}