@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700;900&family=Noto+Sans+JP:wght@300;400;700&display=swap');

:root {
  --ink: #1a1208;
  --paper: #f5f0e8;
  --red: #c0392b;
  --gold: #b8860b;
  --light: #ede8db;
  --border: #8b7355;
  --green: #27ae60;
  --blue: #2980b9;
  --gray: #7f8c8d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(139,115,85,0.1) 39px, rgba(139,115,85,0.1) 40px);
  pointer-events: none;
  z-index: 0;
}

.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

/* ヘッダー */
.page-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}

.page-header .site-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--red);
  margin-bottom: 8px;
}

.page-header h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--border);
  text-decoration: none;
  letter-spacing: 1px;
}

.back-link:hover { color: var(--ink); }

/* フォーム */
.form-section {
  background: #fff;
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 24px;
  position: relative;
}

.form-section::before {
  content: '';
  position: absolute;
  top: 4px; left: 4px; right: -4px; bottom: -4px;
  border: 1px solid rgba(139,115,85,0.3);
  z-index: -1;
}

.form-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--light);
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
  color: var(--ink);
}

.form-row label .required {
  color: var(--red);
  margin-left: 4px;
  font-size: 11px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--paper);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--ink);
  background: #fff;
}

.form-row textarea { min-height: 80px; resize: vertical; }

.form-row select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b7355' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ボタン */
.btn-primary {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--red);
  color: #fff;
  border: none;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
}

.btn-primary:hover {
  background: #a93226;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(192,57,43,0.3);
}

.btn-secondary {
  display: block;
  width: 100%;
  padding: 14px;
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
}

.btn-secondary:hover { background: var(--light); }

.btn-group-2 {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 12px;
  margin-top: 16px;
}

/* 確認画面 */
.confirm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.confirm-table th {
  width: 140px;
  text-align: left;
  padding: 10px 16px;
  background: var(--light);
  font-weight: 700;
  letter-spacing: 1px;
  border: 1px solid var(--border);
  font-size: 13px;
}

.confirm-table td {
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: #fff;
}

/* アラート */
.alert {
  padding: 14px 20px;
  border-left: 4px solid;
  margin-bottom: 20px;
  font-size: 13px;
}

.alert-error { border-color: var(--red); background: #fdf0ef; color: #922b21; }
.alert-success { border-color: var(--green); background: #eafaf1; color: #1e8449; }
.alert-info { border-color: var(--blue); background: #eaf4fb; color: #1a5276; }

/* ステップ表示 */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.step-num {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--border);
  background: #fff;
}

.step.active .step-num {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.step.done .step-num {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.step-label {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--border);
}

.step.active .step-label,
.step.done .step-label { color: var(--ink); }

.step-line {
  width: 48px;
  height: 2px;
  background: var(--border);
  margin-bottom: 18px;
}

/* レスポンシブ */
@media (max-width: 600px) {
  .page-wrap { padding: 24px 16px 60px; }
  .form-section { padding: 20px; }
  .confirm-table th { width: 100px; }
  .btn-group-2 { grid-template-columns: 1fr; }
}