:root{
    --ink:#2b2f3a;
    --muted:#6b7280;
    --bg:#fff8ec;
    --card:#ffffff;
    --edge:#f0e2c8;
    --blue:#2785e8;
    --green:#5d967d;
    --shadow:0 6px 0 rgba(0,0,0,.08);
  }
  *{box-sizing:border-box}
  body{
    margin:0;
    min-height:100vh;
    background:var(--bg);
    color:var(--ink);
    font-family:"Hiragino Maru Gothic ProN","M PLUS Rounded 1c","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
    line-height:1.9;
  }
  main{max-width:760px;margin:0 auto;padding:40px 16px 56px}
  header{text-align:center;margin-bottom:32px}
  h1{font-size:clamp(28px,7vw,40px);margin:0 0 8px;letter-spacing:.04em}
  .lead{margin:0;color:var(--muted);font-size:17px}
  rt{font-size:.55em;color:var(--muted);font-weight:normal}
  .games{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .game{
    display:flex;flex-direction:column;
    background:var(--card);
    border:3px solid var(--edge);
    border-radius:24px;
    padding:24px;
    text-decoration:none;color:inherit;
    box-shadow:var(--shadow);
    transition:transform .15s ease, box-shadow .15s ease;
  }
  .game:hover,.game:focus-visible{transform:translateY(-4px);box-shadow:0 10px 0 rgba(0,0,0,.08)}
  .game:focus-visible{outline:4px solid var(--accent);outline-offset:4px}
  .icon{font-size:56px;line-height:1;margin-bottom:12px}
  .game h2{font-size:24px;margin:0 0 8px;color:var(--accent)}
  .game p{margin:0 0 20px;font-size:16px;flex:1}
  .play{
    align-self:flex-start;
    background:var(--accent);color:#fff;
    font-weight:bold;font-size:18px;
    padding:8px 24px;border-radius:999px;
  }
  .atodashi{--accent:var(--blue)}
  .cafe{--accent:var(--green)}