/*
 * 公開フォーム デザインシステム（docs/PUBLIC_FORM_DESIGN.md、spec.md §4.9・§12）。
 * 管理画面のpublic/css/app.cssとは別物。CSS変数はテーマごとにインラインで上書きされる。
 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  --form-primary: #1a73e8;
  --form-accent: #1a73e8;
  --form-radius: 6px;
  --form-font: "Noto Sans JP", "Hiragino Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --form-ink: #1b1f23;
  --form-gray-700: #5c6570;
  --form-gray-400: #c7ccd1;
  --form-gray-200: #e6e9ec;
  --form-gray-100: #f5f6f7;
  --form-white: #ffffff;
  --form-danger: #c0392b;
  --form-required-bg: #fdeceb;
}

* {
  box-sizing: border-box;
}

body.kf-body {
  margin: 0;
  font-family: var(--form-font);
  color: var(--form-ink);
  background: var(--form-gray-100);
  font-size: 16px;
  line-height: 1.7;
}

/* embedモードでは背景を透過にし、埋め込み先のページ背景に馴染ませる */
body.kf-body--embed {
  background: transparent;
}

.kf-header {
  background: var(--form-white);
  border-bottom: 1px solid var(--form-gray-200);
  padding: 20px 24px;
  text-align: center;
}

.kf-header .kf-site-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--form-gray-700);
  letter-spacing: 0.02em;
}

.kf-footer {
  text-align: center;
  padding: 24px;
  font-size: 12.5px;
  color: var(--form-gray-700);
}

.kf-footer a {
  color: var(--form-primary);
}

.kf-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.kf-page--embed {
  padding: 16px 4px;
}

/* ---------- 進捗インジケーター ---------- */

.kf-steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 13px;
}

.kf-steps .kf-step {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--form-gray-700);
}

.kf-steps .kf-step .kf-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--form-gray-200);
  color: var(--form-gray-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.kf-steps .kf-step.is-current {
  color: var(--form-ink);
  font-weight: 700;
}

.kf-steps .kf-step.is-current .kf-step-num,
.kf-steps .kf-step.is-done .kf-step-num {
  background: var(--form-primary);
  color: var(--form-white);
}

.kf-steps .kf-step-sep {
  width: 24px;
  border-top: 1px solid var(--form-gray-400);
  align-self: center;
}

/* ---------- フォーム本体 ---------- */

.kf-form-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  text-align: center;
}

.kf-form-lead {
  text-align: center;
  color: var(--form-gray-700);
  font-size: 14px;
  margin-bottom: 28px;
}

.kf-panel {
  background: var(--form-white);
  border: 1px solid var(--form-gray-200);
  border-radius: calc(var(--form-radius) * 2);
  padding: 28px 24px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.kf-fields {
  display: block;
}

.kf-fields[data-layout="two_column"] {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 20px;
}

.kf-fields[data-layout="two_column"] .kf-field--wide {
  grid-column: 1 / -1;
}

.kf-field {
  margin-bottom: 20px;
}

/* 姓/名・セイ/メイ等、意味的に対になる短い項目を横並びにする（layout設定に関わらず常時適用） */
.kf-field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
  margin-bottom: 20px;
}

.kf-field-pair .kf-field {
  margin-bottom: 0;
}

.kf-field label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.kf-required-badge {
  display: inline-block;
  background: var(--form-required-bg);
  color: var(--form-danger);
  font-size: 11px;
  font-weight: 700;
  border-radius: 3px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.kf-field input[type="text"],
.kf-field input[type="tel"],
.kf-field input[type="email"],
.kf-field input[type="number"],
.kf-field input[type="date"],
.kf-field input[type="file"],
.kf-field select,
.kf-field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  color: var(--form-ink);
  border: 1px solid var(--form-gray-400);
  border-radius: var(--form-radius);
  padding: 12px 14px;
  background: var(--form-white);
}

.kf-field textarea {
  min-height: 120px;
  resize: vertical;
}

.kf-field input:focus,
.kf-field select:focus,
.kf-field textarea:focus {
  outline: 2px solid var(--form-accent);
  outline-offset: 1px;
}

.kf-field input::placeholder,
.kf-field textarea::placeholder {
  color: var(--form-gray-400);
}

.kf-help {
  font-size: 12.5px;
  color: var(--form-gray-700);
  margin-top: 6px;
}

.kf-choice-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kf-choice-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  font-size: 15px;
  margin-bottom: 0;
}

.kf-choice-list input[type="checkbox"],
.kf-choice-list input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--form-accent);
  flex-shrink: 0;
}

/* ---------- 複合項目：希望日時 ---------- */

.kf-datetime-range {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.kf-datetime-range input[type="date"] {
  flex: 1 1 180px;
}

.kf-datetime-range select {
  flex: 1 1 140px;
}

/* ---------- セクション見出し ---------- */

.kf-section-heading {
  font-size: 17px;
  font-weight: 700;
  border-top: 1px solid var(--form-gray-200);
  padding-top: 20px;
  margin: 8px 0 16px;
}

.kf-field:first-child .kf-section-heading {
  border-top: none;
  padding-top: 0;
}

/* ---------- 同意チェックボックス ---------- */

.kf-consent {
  background: var(--form-gray-100);
  border-radius: var(--form-radius);
  padding: 16px;
  margin-top: 8px;
  margin-bottom: 20px;
}

.kf-consent label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 400;
  margin-bottom: 0;
}

.kf-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--form-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.kf-consent a {
  color: var(--form-primary);
}

.kf-consent-privacy-link {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
}

/* ---------- 注意文言ブロック ---------- */

.kf-notice-block {
  font-size: 12.5px;
  color: var(--form-gray-700);
  background: var(--form-gray-100);
  border-radius: var(--form-radius);
  padding: 14px 16px;
  margin-bottom: 24px;
  line-height: 1.8;
}

/* ---------- 送信ボタン ---------- */

.kf-submit {
  display: block;
  width: 100%;
  background: var(--form-primary);
  color: var(--form-white);
  border: none;
  border-radius: var(--form-radius);
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  padding: 16px;
  cursor: pointer;
  margin-top: 8px;
}

.kf-submit:hover {
  filter: brightness(0.92);
}

.kf-submit--secondary {
  background: var(--form-white);
  color: var(--form-gray-700);
  border: 1px solid var(--form-gray-400);
  margin-top: 12px;
}

/* ---------- 確認画面 ---------- */

.kf-confirm-list {
  display: grid;
  grid-template-columns: 160px 1fr;
  row-gap: 16px;
  column-gap: 16px;
  font-size: 15px;
}

.kf-confirm-list dt {
  color: var(--form-gray-700);
  font-size: 13px;
  font-weight: 600;
}

.kf-confirm-list dd {
  margin: 0;
  word-break: break-word;
}

/* ---------- 完了画面 ---------- */

.kf-thanks {
  text-align: center;
  padding: 40px 20px;
}

.kf-thanks .kf-thanks-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--form-primary);
  color: var(--form-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.kf-thanks h2 {
  font-size: 20px;
  margin: 0 0 12px;
}

.kf-thanks p {
  color: var(--form-gray-700);
  font-size: 14.5px;
}

/* ---------- モバイル対応 ---------- */

@media (max-width: 640px) {
  .kf-fields[data-layout="two_column"] {
    display: block;
  }

  .kf-field-pair {
    display: block;
    margin-bottom: 0;
  }

  .kf-field-pair .kf-field {
    margin-bottom: 20px;
  }

  .kf-panel {
    padding: 20px 16px;
    border-radius: var(--form-radius);
  }

  .kf-page {
    padding: 20px 12px 40px;
  }

  .kf-confirm-list {
    grid-template-columns: 1fr;
    row-gap: 4px;
  }

  .kf-confirm-list dd {
    margin-bottom: 12px;
  }
}