/* =========================================================
   base.css
   ベースレイヤー（紙質感テクスチャ + .wrap コンテナ）
   ========================================================= */

  /* Subtle paper grain */
  body::before{
    content:"";
    position: fixed; inset: 0;
    pointer-events: none;
    background-image:
      radial-gradient(rgba(60,40,20,0.025) 1px, transparent 1px),
      radial-gradient(rgba(60,40,20,0.018) 1px, transparent 1px);
    background-size: 3px 3px, 7px 7px;
    background-position: 0 0, 1px 1px;
    mix-blend-mode: multiply;
    z-index: 1;
  }

  .wrap{
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    position: relative;
    z-index: 2;
  }