*{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#1a1a2e;--card:#16213e;--deep:#0f2547;--border:#0f3460;--accent:#e94560;
--mat:#4fc3f7;--lab:#81c784;--sur:#ffb74d;--ove:#ce93d8;--text:#eee;--muted:#aaa
}
body{font-family:'Meiryo',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding-bottom:80px}
header{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,#16213e,#0f3460);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 12px rgba(0,0,0,.6)}
header h1{font-size:1.1rem;color:var(--accent)}
.quote-badge{background:var(--border);border-radius:20px;padding:4px 10px;font-size:.72rem;color:var(--muted)}
.tab-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:#0f3460;z-index:200;box-shadow:0 -2px 10px rgba(0,0,0,.5)}
.tab-btn{flex:1;padding:10px 0;text-align:center;font-size:.65rem;color:var(--muted);cursor:pointer;border:none;background:none;font-family:inherit;transition:.2s}
.tab-btn .icon{font-size:1.3rem;display:block}.tab-btn.active{color:var(--accent)}.tab-btn.active .icon{transform:scale(1.15)}
.tab-content{display:none}.tab-content.active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.container{max-width:800px;margin:0 auto;padding:16px}
.card{background:var(--card);border-radius:14px;padding:18px;margin-bottom:16px;border:1px solid var(--border);box-shadow:0 4px 16px rgba(0,0,0,.3)}
.card-title{font-size:.9rem;font-weight:bold;color:var(--accent);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.form-grid{grid-template-columns:1fr}}
.form-group{display:flex;flex-direction:column;gap:4px}.form-group.full{grid-column:1/-1}
.form-group label{font-size:.72rem;color:var(--muted)}
.form-group input,.form-group select,.form-group textarea{background:var(--deep);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 12px;font-size:.9rem;font-family:inherit;width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group input[type=number]{text-align:right}.form-group textarea{min-height:70px;resize:vertical}
.cost-block{background:var(--deep);border-radius:10px;padding:14px;margin-bottom:14px;border-left:4px solid var(--accent)}
.cost-block.mat{border-left-color:var(--mat)}.cost-block.lab{border-left-color:var(--lab)}.cost-block.sur{border-left-color:var(--sur)}.cost-block.ove{border-left-color:var(--ove)}
.cost-title{font-size:.88rem;font-weight:bold;margin-bottom:12px}.cost-title.mat{color:var(--mat)}.cost-title.lab{color:var(--lab)}.cost-title.sur{color:var(--sur)}.cost-title.ove{color:var(--ove)}
.cost-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.cost-row label{flex:1;font-size:.78rem;color:var(--muted)}
.cost-row input{width:130px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:6px 8px;font-size:.85rem;text-align:right;font-family:inherit}
.cost-subtotal{text-align:right;font-size:.8rem;color:var(--muted);border-top:1px dashed var(--border);padding-top:8px;margin-top:4px}.cost-subtotal b{color:var(--text);font-size:.95rem}
.summary-card{background:linear-gradient(135deg,var(--card),var(--deep));border:2px solid var(--accent);border-radius:14px;padding:20px;margin-bottom:16px}
.sum-row{display:flex;justify-content:space-between;padding:6px 0;font-size:.88rem;border-bottom:1px solid var(--border)}.sum-row:last-child{border:none}
.sum-label{color:var(--muted)}.sum-val{font-weight:bold}.sum-val.mat{color:var(--mat)}.sum-val.lab{color:var(--lab)}.sum-val.sur{color:var(--sur)}.sum-val.ove{color:var(--ove)}
.grand-total{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:2px solid var(--accent)}
.grand-label{font-size:1rem;color:var(--muted)}.grand-val{font-size:1.6rem;font-weight:bold;color:var(--accent)}
.profit-wrap{display:flex;align-items:center;gap:10px;margin-top:10px}.profit-wrap label{font-size:.78rem;color:var(--muted);white-space:nowrap}.profit-wrap input[type=range]{flex:1;accent-color:var(--ove)}.profit-val{color:var(--ove);font-weight:bold;min-width:40px;text-align:right}
.tax-row{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:.85rem;color:var(--muted)}.tax-row select{background:var(--deep);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:4px 8px;font-size:.85rem}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;border:none;font-size:.88rem;font-family:inherit;font-weight:bold;cursor:pointer;transition:.2s}
.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--deep);color:var(--muted);border:1px solid var(--border)}.btn-info{background:transparent;color:var(--mat);border:1px solid var(--mat)}
.btn-danger{background:transparent;color:#ff8a80;border:1px solid #ff8a80}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:16px}
.history-item{background:var(--deep);border-radius:10px;padding:14px;margin-bottom:10px;border-left:4px solid var(--border);cursor:pointer;transition:.2s}
.history-item:hover{border-left-color:var(--accent);background:var(--border)}
.history-top{display:flex;justify-content:space-between;margin-bottom:6px}.history-name{font-weight:bold;font-size:.9rem}.history-total{color:var(--accent);font-weight:bold}.history-sub{font-size:.75rem;color:var(--muted)}
.empty-msg{text-align:center;color:var(--muted);padding:40px;font-size:.9rem}
.toast{position:fixed;top:70px;left:50%;transform:translateX(-50%) translateY(-10px);background:#333;color:#fff;padding:10px 20px;border-radius:20px;font-size:.85rem;opacity:0;pointer-events:none;transition:.3s;z-index:9999;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.small-note{font-size:.72rem;color:var(--muted);line-height:1.6}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.kpi>div{background:var(--deep);border:1px solid var(--border);border-radius:10px;padding:10px;text-align:center}
.kpi span{display:block;font-size:.68rem;color:var(--muted);margin-bottom:3px}.kpi b{font-size:.95rem}
@media(max-width:480px){.kpi{grid-template-columns:1fr}}

.material-row{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:10px}
.material-row-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr 1fr 1fr 1fr;gap:8px;align-items:end}
.material-row-grid input,.material-row-grid select{background:var(--deep);border:1px solid var(--border);border-radius:7px;color:var(--text);padding:7px 8px;font-size:.82rem;width:100%;font-family:inherit}
.material-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}.material-meta>div{background:var(--deep);border:1px solid var(--border);border-radius:8px;padding:7px;text-align:right;font-size:.74rem}.material-meta span{display:block;color:var(--muted);font-size:.64rem;margin-bottom:2px}.material-actions{display:flex;justify-content:flex-end;margin-top:8px}
.attachment-list{display:grid;gap:8px;margin-top:10px}.attachment-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--deep);border:1px solid var(--border);border-radius:9px;padding:9px 10px}.attachment-name{min-width:0;flex:1}.attachment-name b{display:block;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-name span{font-size:.68rem;color:var(--muted)}.attachment-actions{display:flex;gap:6px;flex-wrap:wrap}.file-input{width:100%;background:var(--deep);border:1px dashed var(--mat);border-radius:9px;padding:12px;color:var(--muted);font-size:.8rem}
@media(max-width:700px){.material-row-grid{grid-template-columns:1fr 1fr}.material-meta{grid-template-columns:1fr 1fr}}@media(max-width:420px){.material-row-grid{grid-template-columns:1fr}}


.similar-box{margin-top:14px;border-top:1px solid var(--border);padding-top:12px}
.similar-title{font-size:.82rem;font-weight:bold;color:var(--mat);margin-bottom:8px}
.similar-item{background:var(--deep);border:1px solid var(--border);border-radius:9px;padding:10px;margin-bottom:8px}
.similar-top{display:flex;justify-content:space-between;gap:10px;align-items:center}
.similar-score{color:var(--accent);font-weight:bold;white-space:nowrap}
.similar-sub{font-size:.7rem;color:var(--muted);margin-top:4px;line-height:1.5}

.learning-card{
  background:linear-gradient(135deg,#16213e,#112a4e);
  border:1px solid var(--ove);
}
.learning-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.learning-result{
  margin-top:14px;
  background:var(--deep);
  border:1px solid var(--border);
  border-radius:10px;
  padding:12px;
}
.learning-result-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:8px;
}
.learning-kpi{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:8px;
  padding:9px;
}
.learning-kpi span{
  display:block;
  color:var(--muted);
  font-size:.67rem;
  margin-bottom:3px;
}
.learning-kpi b{
  font-size:.92rem;
  color:var(--ove);
}
.learning-note{
  margin-top:8px;
  font-size:.7rem;
  color:var(--muted);
  line-height:1.6;
}
@media(max-width:480px){
  .learning-grid,.learning-result-grid{grid-template-columns:1fr}
}
.install-panel{
  background:var(--deep);
  border:1px solid var(--mat);
  border-radius:10px;
  padding:12px;
  margin-top:12px;
}
.install-status{
  font-size:.75rem;
  color:var(--muted);
  line-height:1.6;
  margin-top:8px;
}
.app-version{
  font-size:.68rem;
  color:var(--muted);
  text-align:center;
  margin-top:12px;
}