/* Japanese Number Converter – styles */
.jnc-container{
  --bg:#0f172a;
  --card:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#22d3ee;
  --accent-2:#38bdf8;
  background: linear-gradient(135deg, var(--bg), #111);
  color: var(--text);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  max-width: 860px;
  margin: 18px auto;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
}

.jnc-header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.jnc-title{font-size: clamp(18px, 2.3vw, 26px);font-weight:700;letter-spacing:.3px}
.jnc-sub{font-size:12px;color:var(--muted)}

.jnc-controls{
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}
.jnc-input-wrap{display:flex;flex-direction:column;gap:6px}
.jnc-label{font-size:12px;color:var(--muted)}
.jnc-input{
  width:100%;padding:12px 14px;border-radius:12px;background:#0b1020;color:var(--text);
  border:1px solid rgba(255,255,255,.08);outline: none; font-size:16px;
}
.jnc-input:focus{border-color:var(--accent)}

.jnc-toggles{display:flex;gap:12px;align-items:center;justify-content:flex-start}
.jnc-toggles label{font-size:13px;color:var(--text);display:flex;gap:6px;align-items:center}
.jnc-toggles input{accent-color: var(--accent)}

.jnc-btn{
  padding:12px 16px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#03222a;border:none;font-weight:700;cursor:pointer;transition:transform .06s ease;
}
.jnc-btn:active{transform:translateY(1px)}

.jnc-output{display:grid;grid-template-columns: 1fr;gap:10px}
.jnc-card{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 12px;
}
.jnc-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.jnc-card-head span{font-weight:700; letter-spacing:.2px}
.jnc-copy{
  font-size:12px;padding:6px 10px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  background:transparent;color:var(--text);cursor:pointer
}
.jnc-result{
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.55;
  word-break: break-word;
}

.jnc-note{margin-top:10px;color:var(--muted);font-size:12px}

/* Responsive */
@media (min-width:700px){
  .jnc-controls{
    grid-template-columns: 1.2fr 1fr auto;
  }
  .jnc-output{
    grid-template-columns: 1fr 1fr 1fr;
  }
}