:root{
    --theme:#111;
    --theme-dark:#111;
    --card-bg:#EAF4EA;
    --border:#B7D8B9;
    --text:#1F2D33;
    --text-light:#5A6B72;
    --white:#ffffff;
    --accent:#E8663A;
    --radius:12px;
  }
  *{box-sizing:border-box;}

  .sim-wrap{
    max-width:960px;
    margin:0 auto;
    padding:40px 20px 80px;
  }
  .sim-header{
    text-align:center;
    margin-bottom:36px;
  }
  .sim-header h1{
/*    font-size:28px;*/
    font-weight:900;
    color:var(--theme);
    margin:0 0 10px;
    letter-spacing:.02em;
  }
  .sim-header p{
    color:var(--text-light);
    font-size:14px;
    margin:0;
  }
  .sim-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr;
    gap:24px;
    align-items:start;
  }
  @media (max-width:768px){
    .sim-grid{grid-template-columns:1fr;}
  }
  .sim-inputs{}
  .sim-results{
    position:sticky;
    top:90px;
  }
  .card{
    background:var(--white);
    border:1px solid var(--mn-border) !important;
    border-radius:var(--radius);
    padding:24px;
    margin-bottom:20px;
  }
  .card h2{
    font-size:16px;
    font-weight:700;
/*    color:var(--theme);*/
    margin:0 0 16px;
    padding-bottom:10px;
    border-bottom:2px solid #e5e5e5;
    display:flex;
    align-items:center;
    gap:8px;
  }
/*  .card h2 .num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:22px;height:22px;
    background:var(--theme);
    color:#fff;
    border-radius:50%;
    font-size:12px;
    flex-shrink:0;
  }*/
  .row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:10px 12px;
    border-radius:8px;
    transition:background .15s;
  }
  .row:hover{background:#EfEfEf;}
  .row + .row{margin-top:2px;}
  .row label{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    cursor:pointer;
    flex:1;
  }
  .row input[type="checkbox"]{
    width:18px;height:18px;
    accent-color:var(--theme);
    cursor:pointer;
    flex-shrink:0;
  }
  .row .price{
    font-size:14px;
    font-weight:700;
    color:var(--text);
    white-space:nowrap;
    padding-left:12px;
  }
  .row .note{
    display:block;
    font-size:11px;
    color:var(--accent);
    margin-top:2px;
  }
  .qty-input{
    width:52px;
    padding:4px 6px;
    border:1px solid var(--border);
    border-radius:6px;
    font-size:13px;
    text-align:center;
    margin-left:8px;
  }
  .units-box{
    display:flex;
    align-items:center;
    gap:14px;
    background:#EfEfEf;
    border-radius:8px;
    padding:14px 16px;
  }
  .units-box label{
    font-size:14px;
    font-weight:700;
/*    color:var(--theme);*/
    flex-shrink:0;
  }
  .stepper{
    display:flex;
    align-items:center;
    gap:0;
  }
  .stepper button{
    width:36px;height:36px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--theme);
    font-size:18px;
    font-weight:700;
    cursor:pointer;
    transition:background .15s;
  }
  .stepper button:hover{background:#EfEfEf;}
  .stepper button:first-child{border-radius:8px 0 0 8px;}
  .stepper button:last-child{border-radius:0 8px 8px 0;}
  .stepper input{
    width:56px;
    height:36px;
    text-align:center;
    border:1px solid var(--border);
    border-left:none;
    border-right:none;
    font-size:15px;
    font-weight:700;
    color:var(--text);
  }
  .units-suffix{font-size:13px;color:var(--text-light);}

  /* 結果表示（右サイド） */
  .sim-results-title{
/*    text-align:center;*/
    font-size:15px;
    font-weight:600;
    color:var(--theme);
    margin:0 0 10px;
  }
  .result-card{
    background:var(--theme);
    color:#fff;
    border-radius:10px;
    padding:24px 24px;
    margin-bottom:10px;
  }
  .result-card h3{
    font-size:13px;
    font-weight:700;
    margin:0 0 6px;
    opacity:.85;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .result-card .amount{
    font-size:30px;
    line-height: 1.2;
    font-weight:900;
    letter-spacing:.02em;
  }
  .result-card .amount small{
    font-size:14px;
    font-weight:500;
    margin-left:4px;
    opacity:.85;
  }
  .result-card.sub{
    background:#fff;
    color:var(--text);
    border:1px solid var(--border);
  }
  .result-card.sub h3{color:var(--theme-dark); opacity:1;}
  .result-card.sub .amount{color:var(--theme);}
  .total-card{
    background:#fff;
    border:2px solid var(--theme);
    border-radius:var(--radius);
    padding:15px 20px;
    text-align:center;
    margin-top:15px;
  }
  .total-card p{
    margin:0 0 4px;
    font-size:13px;
    color:var(--text-light);
    font-weight:700;
  }
  .total-card .grand{
    font-size:26px;
    font-weight:900;
    color:var(--accent);
  }
  .grand-space{
    width: 130px;
  }
  .total-card .grand small{
    font-size:13px;
    font-weight:500;
    color:var(--text-light);
    margin-left:2px;
  }
  .disclaimer{
    font-size:11px;
    color:var(--text-light);
    margin-top:10px;
  }
  .cta-btn{
    display:block;
    text-align:center;
    background:var(--accent);
    color:#fff;
    font-weight:700;
    font-size:14px;
    padding:14px;
    border-radius:8px;
    margin-top:14px;
    text-decoration:none;
    transition:opacity .15s;
  }
  .cta-btn:hover{opacity:.88;}