:root{font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Noto Sans JP",sans-serif;color:#303b32;background:#f7f8f5;font-size:13px;--green:#50664f;--line:#e4e7df}*{box-sizing:border-box}body{margin:0}header{height:76px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:650;font-size:16px;letter-spacing:.04em}.brand-icon{font-size:27px;color:var(--green)}.tag{font-size:10px;letter-spacing:.2em;color:#889081}main{display:grid;grid-template-columns:345px 1fr;max-width:1600px;margin:auto}aside{background:white;border-right:1px solid var(--line);padding:26px 26px 40px;height:calc(100vh - 76px);overflow:auto}.sidebar-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}h1{font-size:17px;margin:0}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #7a916e;outline-offset:3px}.text-button{background:none;border:0;color:#828879;font-size:11px}fieldset{padding:0 0 25px;margin:0 0 23px;border:0;border-bottom:1px solid var(--line)}legend{font-weight:650;margin-bottom:18px;font-size:13px}.step{font-size:10px;color:#82917a;margin-right:10px}label.field{display:block;margin:13px 0}label.field>span,.field-title{display:block;font-size:11px;color:#72796c;margin-bottom:8px}select,input[type=number]{border:1px solid #dfe4d9;border-radius:6px;background:#fff;color:#34412f;padding:9px;width:100%}input[type=number]{width:66px;padding:6px}select{height:38px}.range{display:flex;align-items:center;gap:9px}.range input[type=range]{flex:1;min-width:40px;accent-color:var(--green)}.unit{font-size:10px;color:#8a8f83}.colors{display:flex;gap:18px}.color-control{display:flex;align-items:center;gap:8px}.color-control input{width:31px;height:31px;padding:3px;border:1px solid #dce1d4;background:white;border-radius:50%;cursor:pointer}.color-control input::-webkit-color-swatch{border:0;border-radius:50%}.color-control span{font-size:11px}.segments{display:flex;padding:3px;background:#eef0ea;border-radius:7px;gap:2px}.segments button{flex:1;border:0;background:none;color:#7b8376;border-radius:5px;padding:9px 13px;white-space:nowrap;font-size:12px}.segments button.active{background:white;color:#364d35;box-shadow:0 1px 4px #24362012}.workspace{padding:26px 40px;min-width:0;height:calc(100vh - 76px);overflow:auto;display:flex;flex-direction:column}.toolbar{display:flex;justify-content:space-between;gap:12px}.canvas{min-height:370px;flex:1;display:flex;align-items:center;justify-content:center;padding:32px;background-image:radial-gradient(#b8c2af55 .7px,transparent .7px);background-size:14px 14px;margin-top:24px;border:1px solid #e5e9df;border-radius:10px;background-color:#eef1e9}#preview{display:flex;justify-content:center;max-width:100%;filter:drop-shadow(0 8px 14px #26382120)}#preview svg{height:min(50vh,510px);width:auto;max-width:100%;display:block;background:white}.preview-caption{display:flex;justify-content:space-between;color:#808875;font-size:11px;padding:15px 1px;gap:10px}input[type=checkbox]{accent-color:var(--green)}footer{display:grid;grid-template-columns:1fr auto;align-items:center;padding-top:17px;border-top:1px solid #dee4d8;gap:5px 15px}footer strong{font-size:13px;font-weight:550}footer p{font-size:11px;color:#85907d;margin:7px 0}.primary{background:var(--green);color:white;border:0;padding:14px 23px;border-radius:7px;font-weight:550;font-size:12px}.primary:hover{background:#3f553f}.primary:disabled{opacity:.5;cursor:wait}.instruction,#status{grid-column:1/-1;line-height:1.8}#status{color:#9a553c;margin:0}.patterns{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:12px}.pattern{padding:0;border:2px solid transparent;border-radius:6px;background:#f5f5ee;overflow:hidden;height:47px}.pattern.active{border-color:#53694b;box-shadow:0 0 0 2px white inset}.pattern svg{width:100%;height:100%}.hint{font-size:10px;color:#8b907f;line-height:1.7;margin:8px 0}details{margin-top:15px}summary{cursor:pointer;color:#7d8675;font-size:11px;padding:7px 0}.file-input{display:block;width:100%;font-size:11px;margin-top:14px}.check{display:flex;gap:7px;align-items:center;margin:12px 0;font-size:12px}[hidden]{display:none!important}@media(min-width:1400px){main{grid-template-columns:370px 1fr}.workspace{padding-left:70px;padding-right:70px}}@media(max-width:760px){header{height:60px;padding:0 18px}.tag{display:none}main{display:flex;flex-direction:column}aside{height:auto;border-right:0;padding:22px}.workspace{height:auto;min-height:700px;padding:20px;order:-1}.canvas{min-height:340px;padding:25px}#preview svg{height:330px}.toolbar .segments button{padding:8px 11px}footer{grid-template-columns:1fr}.primary{grid-row:2;margin:10px 0}aside fieldset{padding-bottom:20px}.preview-caption{font-size:10px}}

/* Settings sections and choice buttons */
.sidebar-title { gap: 10px; }
.design-actions { display: flex; gap: 5px; }
.design-actions .text-button {
  padding: 7px 8px;
  color: #50664f;
  border: 1px solid #dce3d7;
  border-radius: 5px;
  white-space: nowrap;
}
.design-actions .text-button:hover { background: #edf2e9; }
.settings-section { margin-bottom: 30px; }
.settings-section h2 {
  margin: 0 0 20px;
  padding: 10px 12px;
  background: #f0f0f0;
  border-left: 3px solid #a0a3a0;
  border-radius: 0 5px 5px 0;
  color: #3e433e;
  font-size: 14px;
  line-height: 1.4;
}
.settings-fields, .settings-fields details[open] {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.settings-fields .field,
.settings-fields .check,
.settings-fields .patterns,
.settings-fields .file-input,
.settings-fields .hint,
.settings-fields details { margin: 0; }
.settings-fields details[open] > * + * { margin-top: 18px; }
.settings-fields .hint:empty { display: none; }
.field > span { display: block; margin-bottom: 8px; color: #596452; font-size: 12px; }
.choices { display: flex; gap: 6px; }
.choices-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.choice { position: relative; display: flex; flex: 1 1 0; min-width: 0; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice > span {
  width: 100%;
  display: grid;
  place-content: center;
  gap: 3px;
  min-height: 39px;
  padding: 7px 3px;
  border: 1px solid #dfe4d9;
  border-radius: 6px;
  background: #fff;
  text-align: center;
  font-size: 11px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.choice small { color: #65745f; font-size: 9px; white-space: nowrap; }
.choice:hover > span { background: #f4f6f1; }
.choice input:checked + span { border-color: #7c9175; background: #eaf0e5; color: #344d33; font-weight: 650; }
.choice input:focus-visible + span { outline: 2px solid #7a916e; outline-offset: 2px; }
.preview-caption { align-items: baseline; flex-wrap: wrap; }
.paper-caption { justify-content: flex-start; column-gap: 15px; row-gap: 4px; }
.paper-caption strong { color: #4d6249; font-weight: 600; }
footer { grid-template-columns: 1fr; }
footer .primary { justify-self: end; }
@media(max-width:760px) {
  .toolbar { flex-wrap: wrap; gap: 8px; }
  footer .primary { grid-row: auto; justify-self: stretch; margin: 0; }
}

.brand-copy { min-width: 0; }
.site-description {
  margin: 4px 0 0;
  color: #596452;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: normal;
  line-height: 1.5;
}
@media (max-width: 760px) {
  header { height: auto; min-height: 60px; padding-block: 10px; }
  .site-description { font-size: 11px; }
}