/* =========================================
   RunGlobe CRM — アンケートフォーム スタイル
   モバイルファーストのレスポンシブデザイン
   ========================================= */

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

:root {
  --color-primary:    #1a1a2e;
  --color-accent:     #e63946;
  --color-accent-light: #ff6b6b;
  --color-bg:         #f8f9fa;
  --color-surface:    #ffffff;
  --color-border:     #dee2e6;
  --color-text:       #212529;
  --color-text-muted: #6c757d;
  --color-success:    #2d6a4f;
  --color-success-bg: #d8f3dc;
  --color-error:      #c0392b;
  --color-error-bg:   #fde8e6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);

  --font-base: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'BIZ UDPGothic', Meiryo, sans-serif;
  --transition: 0.2s ease;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---------- レイアウト ---------- */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 640px;
  margin: 0 auto;
}

.main {
  flex: 1;
  padding: 16px;
  padding-bottom: 40px;
}

/* ---------- ヘッダー ---------- */
.header {
  background-color: var(--color-primary);
  color: #fff;
  padding: 16px 20px 14px;
  text-align: center;
}

.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 4px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.logo-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

.header-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

/* ---------- イントロカード ---------- */
.intro-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}

.intro-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.intro-text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- 質問カード ---------- */
.question-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.question-number {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.question-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-primary);
}

/* ---------- フォームグループ ---------- */
.form-group {
  margin-bottom: 16px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

/* ---------- セレクト ---------- */
.form-select {
  width: 100%;
  padding: 12px 40px 12px 14px;
  font-family: var(--font-base);
  font-size: 15px;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  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 d='M1 1l5 5 5-5' stroke='%236c757d' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.15);
}

/* ---------- テキスト入力 ---------- */
.form-input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-base);
  font-size: 15px;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.15);
}

.form-input::placeholder {
  color: #adb5bd;
}

/* ---------- ラジオボタン ---------- */
.radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  flex: 1;
  min-width: 110px;
  transition: border-color var(--transition), background-color var(--transition);
}

.radio-label:has(input:checked) {
  border-color: var(--color-accent);
  background-color: rgba(230,57,70,0.05);
}

.radio-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--transition);
}

.radio-label:has(input:checked) .radio-custom {
  border-color: var(--color-accent);
}

.radio-label:has(input:checked) .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* ---------- オプトインカード ---------- */
.optin-card {
  background: #fff8e1;
  border: 2px solid #ffe082;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 10px;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  background: white;
  transition: border-color var(--transition), background-color var(--transition);
}

.checkbox-label:has(input:checked) .checkbox-custom {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.checkbox-label:has(input:checked) .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.checkbox-text small {
  font-size: 12px;
  color: var(--color-text-muted);
}

.link {
  color: var(--color-accent);
  text-decoration: underline;
}

.optin-notice {
  font-size: 11px;
  color: var(--color-text-muted);
  padding-left: 32px;
}

/* ---------- エラーメッセージ ---------- */
.error-message {
  display: none;
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid #f5c6cb;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}

/* ---------- 送信ボタン ---------- */
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  background-color: var(--color-accent);
  color: #fff;
  font-family: var(--font-base);
  font-size: 17px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 12px rgba(230,57,70,0.35);
}

.submit-btn:hover:not(:disabled) {
  background-color: #c0392b;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(230,57,70,0.4);
}

.submit-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(230,57,70,0.3);
}

.submit-btn:disabled {
  background-color: #adb5bd;
  cursor: not-allowed;
  box-shadow: none;
}

.submit-btn-icon {
  font-size: 20px;
}

/* ---------- 完了・エラーカード ---------- */
.success-card,
.error-card {
  text-align: center;
  padding: 48px 24px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.success-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.error-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.success-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-success);
  margin-bottom: 12px;
}

.error-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-error);
  margin-bottom: 12px;
}

.success-text,
.error-text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---------- フッター ---------- */
.footer {
  background-color: var(--color-primary);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 16px;
  font-size: 12px;
}

/* ---------- レスポンシブ（大きな画面） ---------- */
@media (min-width: 640px) {
  .main {
    padding: 24px;
  }

  .intro-title {
    font-size: 20px;
  }

  .question-title {
    font-size: 18px;
  }

  .submit-btn {
    font-size: 18px;
    padding: 18px;
  }
}