html,body{
  margin:0;
  padding:0;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;
  background:#f3f6fb;
  color:#1e293b;
  line-height:1.7;
}

.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:24px 16px 40px;
}

.hero{
  margin-bottom:20px;
  padding:22px;
  background:#fff;
  border:1px solid #d7e0ea;
  border-radius:8px;
}

.eyebrow{
  margin:0 0 8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:#004aad;
}

.hero h1{
  margin:0 0 10px;
  font-size:28px;
  line-height:1.4;
}

.lead{
  margin:0;
  font-size:14px;
  color:#475569;
}

.grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}

.card{
  background:#fff;
  border:1px solid #d7e0ea;
  border-radius:8px;
  padding:18px;
}

.card h2{
  margin:0 0 14px;
  font-size:18px;
  line-height:1.5;
}

.full{
  grid-column:1 / -1;
}

.field{
  margin-bottom:14px;
}

.field label{
  display:block;
  margin-bottom:6px;
  font-size:14px;
  font-weight:700;
}

.field input,
.field select,
.field textarea,
.result-group textarea{
  width:100%;
  box-sizing:border-box;
  border:1px solid #b9c7d8;
  border-radius:6px;
  background:#fff;
  color:#1e293b;
  font-size:15px;
  padding:10px 12px;
}

.field input,
.field select{
  height:46px;
}

.field textarea,
.result-group textarea{
  resize:vertical;
  min-height:110px;
}

.hint{
  margin:6px 0 0;
  font-size:12px;
  color:#64748b;
}

.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.btn-primary,
.btn-secondary{
  appearance:none;
  border:none;
  border-radius:8px;
  height:44px;
  padding:0 18px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
}

.btn-primary{
  background:#dc2626;
  color:#fff;
}

.btn-primary:hover{
  background:linear-gradient(rgba(255,255,255,.15),rgba(255,255,255,.15)),#dc2626;
}

.btn-secondary{
  background:linear-gradient(180deg,#ffffff,#e8edf3);
  color:#334155;
  border:1px solid #c7d2de;
}

.note{
  margin:12px 0 0;
  font-size:13px;
  color:#64748b;
}

.result{
  border:1px solid #c8d6e5;
  border-radius:6px;
  background:#f8fbff;
  padding:14px;
  font-size:14px;
  white-space:pre-wrap;
  word-break:break-word;
}

.result.empty{
  color:#64748b;
}

.result-group{
  margin-bottom:14px;
}

.result-group label{
  display:block;
  margin-bottom:6px;
  font-size:14px;
  font-weight:700;
}

.log{
  margin:0;
  min-height:180px;
  max-height:420px;
  overflow:auto;
  border:1px solid #0f172a;
  border-radius:6px;
  background:#0f172a;
  color:#dbeafe;
  padding:14px;
  font-size:13px;
  line-height:1.6;
  white-space:pre-wrap;
}

@media (max-width: 820px){
  .grid{
    grid-template-columns:1fr;
  }

  .hero h1{
    font-size:24px;
  }

  .actions{
    flex-direction:column;
  }

  .btn-primary,
  .btn-secondary{
    width:100%;
  }
}