.window-type-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (min-width: 520px) { .window-type-grid { grid-template-columns: repeat(4, 1fr); } }
.wtype-card {
  border: 2px solid var(--border); border-radius: var(--r);
  padding: 12px 8px; text-align: center; cursor: pointer;
  transition: all .15s; background: #fafaf8; position: relative;
}
.wtype-card:hover    { border-color: var(--accent); }
.wtype-icon  { font-size: 20px; margin-bottom: 4px; }
.wtype-name  { font-size: 12px; font-weight: 700; color: var(--ink); }
.wtype-price { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--accent); margin-top: 2px; }
.wtype-card input[type="radio"] { display: none; }
.wtype-check { position: absolute; top: 6px; right: 8px; color: var(--accent); font-weight: 700; font-size: 12px; opacity: 0; transition: opacity .15s; }
.wtype-card.selected { border-color: var(--accent); background: var(--accent-light, #fff3ec); box-shadow: 0 0 0 1px var(--accent); }
.wtype-card.selected .wtype-check { opacity: 1; }
.wtype-card.selected .wtype-name { color: var(--accent); }

.window-count-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.window-count-row:last-child { border-bottom: none; }
.wcr-label { flex: 1; font-size: 13px; color: var(--ink2); }
.wcr-sub   { font-size: 11px; color: var(--ink3); }
.wcr-ctrl  { display: flex; align-items: center; gap: 8px; }
.count-btn {
  width: 32px; height: 32px; border: 1.5px solid var(--border);
  border-radius: 8px; background: #fafaf8; font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .15s; font-family: inherit;
}
.count-btn:hover { border-color: var(--accent); background: var(--accent-light); }
.count-num { font-family: 'DM Mono', monospace; font-size: 16px; font-weight: 700; min-width: 28px; text-align: center; }

.subsidy-highlight {
  background: var(--primary2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-lg); padding: 20px 16px;
  margin-bottom: 14px;
}
.sh-label { font-size: 11px; color:var(--primary-mid); font-family: 'DM Mono', monospace; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.sh-amount { font-family: 'Plus Jakarta Sans', var(--font-body, 'Noto Sans JP'), sans-serif; font-size: clamp(24px,6vw,40px); font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 4px; }
.sh-amount em { color:var(--primary-mid); font-style: normal; font-size: .55em; }
.sh-sub { color: rgba(255,255,255,0.55); font-size: 12px; }

.net-result {
  background: var(--primary);
  border-radius: var(--r-lg); padding: 22px 16px;
  margin-bottom: 14px; position: relative; overflow: hidden;
}
.net-result::before {
  content: ''; position: absolute; top:-40px; right:-40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(107,159,212,.25), transparent 70%);
  pointer-events: none;
}
.nr-label  { font-size: 11px; color:var(--primary-mid); font-family: 'DM Mono', monospace; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.nr-val    { font-family: 'Plus Jakarta Sans', var(--font-body, 'Noto Sans JP'), sans-serif; font-size: clamp(28px,7vw,48px); font-weight: 900; color: #fff; line-height: 1.1; }
.nr-val em { color:var(--primary-mid); font-style: normal; font-size: .55em; }
.nr-sub    { color: rgba(255,255,255,0.55); font-size: 12px; margin-top: 4px; }
@media (min-width: 480px) { }
.energy-saving-note {
  background: var(--green-light); border: 1px solid rgba(42,107,60,.2);
  border-radius: var(--r); padding: 12px 16px;
  font-size: 12px; color: #1a4a28;
  display: flex; gap: 8px; align-items: flex-start;
  margin-bottom: 14px;
}