*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  width:100%;
  min-height:100%;
  background:#000;
  font-family:"Times New Roman",Times,serif;
}

/* HOME — reference layout: vertical red menu on the left */
.home-body{
  margin:0;
  background:#000;
  color:#ddd;
  overflow-x:hidden;
}
.home-layout{
  width:100%;
  min-height:100vh;
  display:grid;
  grid-template-columns:18.7% 81.3%;
}
.home-sidebar{
  min-height:100vh;
  border-right:1px solid #3a3a3a;
  display:flex;
  align-items:center;
}
.home-nav{
  width:100%;
  padding-left:14%;
}
.home-nav a,
.home-nav a:visited{
  display:block;
  width:max-content;
  margin:18px 0;
  color:#e52b2b;
  text-decoration:underline;
  font-size:18px;
  font-weight:bold;
}
.home-nav a:hover,
.home-nav a:active{
  color:#ff4a4a;
}
.home-main{
  min-width:0;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  padding:20px;
}
.home-main h1{
  margin:0;
  color:#dedede;
  font-size:clamp(48px,5.2vw,78px);
  line-height:1;
  font-weight:bold;
  letter-spacing:2px;
  white-space:nowrap;
  text-align:center;
  text-shadow:2px 2px #520000;
}
.sq{
  display:inline-block;
  width:12px;
  height:12px;
  margin:0 16px 8px;
  vertical-align:middle;
  background:#750000;
  border:1px solid #b00000;
}

/* GAME */
.game-body{
  margin:0;
  background:#000;
  color:#ddd;
}
.game-minimal{
  width:min(760px,94vw);
  min-height:100vh;
  margin:0 auto;
  padding:28px 10px 55px;
  text-align:center;
}
.game-back-wrap{
  width:min(560px,86%);
  margin:0 auto 18px;
  text-align:left;
}
.game-back,
.game-back:visited{
  color:#e52b2b;
  text-decoration:underline;
  font-size:15px;
  font-weight:bold;
}
.game-minimal h1{
  margin:0 0 18px;
  color:#dedede;
  font-size:clamp(38px,6vw,64px);
  text-shadow:2px 2px #520000;
}
.game-rule{
  width:min(560px,86%);
  height:4px;
  margin:18px auto;
  background:#6d0000;
  border-top:1px solid #b30000;
  border-bottom:1px solid #310000;
}
.game-minimal img{
  display:block;
  width:min(470px,88vw);
  height:auto;
  margin:16px auto;
  border:1px solid #4a0000;
}
.game-download,
.game-download:visited{
  display:inline-block;
  margin-top:4px;
  padding:12px 22px;
  border:2px outset #650000;
  background:#180000;
  color:#ff4d4d;
  font-size:20px;
  font-weight:bold;
  text-decoration:underline;
}

/* MOBILE — same vertical-left design, scaled to fit */
@media(max-width:650px){
  .home-layout{
    grid-template-columns:34% 66%;
    min-height:100svh;
  }
  .home-sidebar{
    min-height:100svh;
  }
  .home-nav{
    padding-left:10px;
  }
  .home-nav a,
  .home-nav a:visited{
    margin:15px 0;
    font-size:14px;
  }
  .home-main{
    min-height:100svh;
    padding:8px;
  }
  .home-main h1{
    font-size:clamp(24px,7.4vw,38px);
    letter-spacing:0;
    white-space:normal;
  }
  .sq{
    width:7px;
    height:7px;
    margin:0 5px 4px;
  }
  .game-minimal{
    padding-top:18px;
  }
  .game-back-wrap{
    width:94%;
  }
}