.subtitle{font-size:12px;color:var(--ink-light);font-weight:300;letter-spacing:.1em;border-left:2px solid var(--accent);padding-left:10px}
.panel-header{padding:10px 16px;border-bottom:1px solid var(--border);background:var(--bg);display:flex;justify-content:space-between;align-items:center;gap:12px}
.panel-label{font-size:10px;letter-spacing:.2em;color:var(--ink-light);text-transform:uppercase}
.panel-body{padding:18px}
.hidden{display:none!important}
.tool-form{display:flex;flex-direction:column;gap:12px}
.field-label{display:block;margin-bottom:6px;font-size:11px;font-weight:600;color:var(--ink-light);letter-spacing:.06em}
.readable-input,.readable-textarea,.readable-select{width:100%;background:#fff;color:var(--ink);border:1px solid var(--border);border-radius:0;font-family:"Noto Sans JP",Consolas,"Courier New",monospace;font-size:14px;font-weight:400;line-height:1.75;letter-spacing:0;box-sizing:border-box}
.readable-input,.readable-select{min-height:44px;padding:10px 14px}
.readable-textarea{min-height:180px;padding:18px 20px;resize:vertical}
.readable-input:focus,.readable-textarea:focus,.readable-select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.08)}
.small-btn{border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:6px;padding:8px 12px;font-size:12px;font-weight:700;cursor:pointer}
.small-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-light)}
.small-btn.copied{background:#3A7D44!important;color:#fff!important;border-color:#3A7D44!important}
.result-box{min-height:180px;white-space:pre-wrap;word-break:break-word;background:#fff;border:1px solid var(--border);border-radius:8px;padding:14px 16px;font-size:13px;line-height:1.75;color:var(--ink);font-family:"Noto Sans JP",Consolas,"Courier New",monospace;overflow:auto}
.notice{font-size:12px;color:var(--ink-light);line-height:1.7;margin-top:10px}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.metric-card{border:1px solid var(--border);background:#fff;border-radius:10px;padding:12px}
.metric-label{font-size:10px;letter-spacing:.16em;color:var(--ink-light);text-transform:uppercase;margin-bottom:4px}
.metric-value{font-size:22px;font-weight:700;color:var(--ink);line-height:1.2}
.preview-area{min-height:220px;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#E8EAED 0% 25%, var(--bg) 0% 50%) 0 0/16px 16px;border:1px solid var(--border);padding:18px;overflow:auto}
.preview-area img,.preview-area canvas{max-width:100%;max-height:360px}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:8px;background:#fff}
.result-table{width:100%;border-collapse:collapse;min-width:620px}
.result-table th,.result-table td{border-bottom:1px solid var(--border);padding:9px 10px;font-size:12px;text-align:left;vertical-align:top}
.result-table th{background:var(--bg);color:var(--ink-light);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.option-line{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink);line-height:1.6;cursor:pointer}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:900px){.dual-grid{grid-template-columns:1fr}}
.sidebar-section .apply-btn,
.sidebar-section .download-btn,
.sidebar-section .reset-btn,
.sidebar-section .small-btn {
  width: 100%;
  margin-top: 10px;
}
.sidebar-section .field-label + .readable-input,
.sidebar-section .field-label + .readable-select,
.sidebar-section .field-label + .readable-textarea {
  margin-bottom: 10px;
}
.sidebar-section .option-line + .option-line {
  margin-top: 8px;
}
.sidebar-section .sidebar-title + .tool-form,
.sidebar-section .sidebar-title + .metric-grid,
.sidebar-section .sidebar-title + .notice,
.sidebar-section .sidebar-title + .option-line {
  margin-top: 10px;
}
.sidebar-section .download-btn.hidden {
  display: none !important;
}
.sidebar-section button:first-child,
.sidebar-section a:first-child {
  margin-top: 0;
}



.notice.tool-description{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#EFF6FF;
  border:1px solid #BFDBFE;
  border-left:3px solid var(--blue);
  border-radius:6px;
  padding:12px 16px;
  margin:0 0 18px;
  color:var(--ink-mid);
  font-size:12.5px;
  font-weight:400;
  line-height:1.75;
}
.notice.tool-description strong{
  font-weight:700;
  color:var(--ink);
}