/* ===== リセット・基本 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #8B6F5E;
  --primary-dark: #6D5347;
  --primary-light: #F5EDE8;
  --text: #333;
  --text-sub: #777;
  --border: #E0D6D1;
  --bg: #FAF7F5;
  --white: #fff;
  --error: #C0392B;
  --success: #27AE60;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== ヘッダー ===== */
.header {
  background: var(--primary);
  color: var(--white);
  padding: 20px 16px;
  text-align: center;
}
.header-title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ===== メインコンテナ ===== */
.main {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* ===== ステップインジケーター ===== */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.step span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--white);
  transition: all 0.3s;
}
.step small {
  font-size: 0.65rem;
  color: var(--text-sub);
  transition: color 0.3s;
}
.step.active span {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.step.active small { color: var(--primary); font-weight: 600; }
.step.done span {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 4px;
  margin-bottom: 18px;
  max-width: 40px;
  transition: background 0.3s;
}
.step-line.done { background: var(--primary); }

/* ===== カード ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

/* ===== メニューリスト ===== */
.menu-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.menu-item {
  display: flex;
  align-items: center;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.menu-item:hover { border-color: var(--primary); background: var(--primary-light); }
.menu-item input[type="radio"] { display: none; }
.menu-item:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
}
.menu-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.menu-name { font-size: 0.95rem; font-weight: 600; }
.menu-duration {
  font-size: 0.8rem;
  color: var(--text-sub);
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 20px;
}
.menu-item:has(input:checked) .menu-duration {
  background: var(--white);
  color: var(--primary);
}

/* ===== 日付入力 ===== */
.date-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  margin-bottom: 20px;
  outline: none;
  transition: border-color 0.2s;
}
.date-input:focus { border-color: var(--primary); }

/* ===== スロットリスト ===== */
.slot-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 10px; color: var(--text-sub); }
.slot-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.slot-btn {
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.slot-btn:hover { border-color: var(--primary); background: var(--primary-light); }
.slot-btn.selected { border-color: var(--primary); background: var(--primary); color: var(--white); }
.no-slot { font-size: 0.85rem; color: var(--text-sub); padding: 12px 0; }

/* ===== フォーム ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.required { color: var(--error); margin-left: 2px; }
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--primary); }
.form-group input.error { border-color: var(--error); }
.hint { font-size: 0.75rem; color: var(--text-sub); margin-top: 4px; }

/* ===== 確認リスト ===== */
.confirm-list { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 20px; }
.confirm-row {
  display: flex;
  align-items: flex-start;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.confirm-row:last-child { border-bottom: none; }
.confirm-label { font-size: 0.8rem; color: var(--text-sub); min-width: 100px; padding-top: 1px; }
.confirm-value { font-size: 0.9rem; font-weight: 600; flex: 1; word-break: break-all; }

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
  width: 100%;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: var(--border); color: var(--text-sub); cursor: not-allowed; }
.btn-secondary { background: var(--bg); color: var(--text); border: 2px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

/* ===== ノート・ヒント ===== */
.note { font-size: 0.78rem; color: var(--text-sub); margin-bottom: 16px; }
.mt { margin-top: 16px; margin-bottom: 0; }

/* ===== 完了画面 ===== */
.complete-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--success);
  color: var(--white);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.complete-msg { font-size: 0.88rem; color: var(--text-sub); margin-bottom: 20px; text-align: center; }

/* ===== エラー画面 ===== */
.error-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--error);
  color: var(--white);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.error-msg { font-size: 0.88rem; color: var(--text-sub); margin-bottom: 20px; text-align: center; }

/* ===== ローディング ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 100;
  color: var(--white);
  font-size: 0.9rem;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== ユーティリティ ===== */
.hidden { display: none !important; }