/* =============================================
   Tabi-Link Japan - 商家発案ページ専用CSS
   post-mission.css
   ============================================= */

/* ---- CSS変数 ---- */
:root {
  --red:   #BC002D;
  --red-dark: #960024;
  --sumi:  #2D2D2D;
  --washi: #F9F9F9;
  --gold:  #D4AF37;
  --gold-light: #f0d56e;
  --white: #ffffff;
  --gray:  #6b7280;
  --gray-light: #e5e7eb;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
}

/* ---- リセット ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--sumi);
  background: var(--washi);
  line-height: 1.7;
}

/* =============================================
   ナビバー
   ============================================= */
.post-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.post-navbar .nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sumi);
}

.post-navbar .nav-logo .logo-mark {
  width: 36px;
  height: 36px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.post-navbar .nav-logo .logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.post-navbar .nav-logo .logo-text span {
  color: var(--red);
}

.post-navbar .nav-back {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 16px;
  border: 1px solid var(--gray-light);
  border-radius: 8px;
  transition: all 0.2s;
}

.post-navbar .nav-back:hover {
  color: var(--red);
  border-color: var(--red);
  background: rgba(188,0,45,0.04);
}

/* =============================================
   ヒーローバナー
   ============================================= */
.post-hero {
  background: linear-gradient(135deg, var(--red) 0%, #8b0020 60%, #2D2D2D 100%);
  color: var(--white);
  text-align: center;
  padding: 72px 24px 56px;
  position: relative;
  overflow: hidden;
}

.post-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.post-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.post-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.post-hero h1 .highlight {
  color: var(--gold-light);
}

.post-hero p {
  font-size: clamp(15px, 2vw, 18px);
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 32px;
}

.post-hero .hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.post-hero .hero-stat {
  text-align: center;
}

.post-hero .hero-stat .num {
  font-size: 28px;
  font-weight: 900;
  color: var(--gold-light);
  display: block;
}

.post-hero .hero-stat .lbl {
  font-size: 12px;
  opacity: 0.8;
}

/* =============================================
   メインレイアウト
   ============================================= */
.post-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* =============================================
   メリットセクション
   ============================================= */
.benefits-section {
  margin-bottom: 48px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--red);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--red);
}

.benefits-section h2 {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  color: var(--sumi);
  margin-bottom: 8px;
}

.benefits-section .sub {
  color: var(--gray);
  font-size: 15px;
  margin-bottom: 32px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.benefit-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.benefit-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.benefit-card .icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}

.benefit-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.65;
}

/* =============================================
   フォームカード
   ============================================= */
.form-section {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 40px;
}

.form-header {
  background: linear-gradient(90deg, var(--sumi) 0%, #444 100%);
  color: var(--white);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-header .form-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.form-header h2 {
  font-size: 22px;
  font-weight: 800;
}

.form-header p {
  font-size: 14px;
  opacity: 0.75;
  margin-top: 4px;
}

.form-body {
  padding: 36px;
}

/* ---- フォームグループ ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-row.single {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--sumi);
}

.form-group label .req {
  color: var(--red);
  margin-left: 4px;
}

.form-group label .opt {
  color: var(--gray);
  font-size: 12px;
  font-weight: 400;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--sumi);
  background: var(--washi);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(188, 0, 45, 0.12);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group .hint {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.5;
}

/* ---- チェックボックス ---- */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--sumi);
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--gray-light);
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--red);
  cursor: pointer;
}

/* ---- 予算スライダー ---- */
.budget-slider-wrap {
  position: relative;
}

.budget-slider-wrap input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: linear-gradient(to right, var(--red) 0%, var(--red) var(--fill, 0%), var(--gray-light) var(--fill, 0%), var(--gray-light) 100%);
  border-radius: 100px;
  outline: none;
  cursor: pointer;
  padding: 0;
  border: none;
  box-shadow: none;
}

.budget-slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 2px 8px rgba(188,0,45,0.35);
  cursor: pointer;
  border: 3px solid var(--white);
}

.budget-slider-wrap input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 2px 8px rgba(188,0,45,0.35);
  cursor: pointer;
  border: 3px solid var(--white);
}

.budget-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

.budget-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--red);
}

.budget-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--gray);
  margin-top: 4px;
}

/* ---- 区切り線 ---- */
.form-divider {
  border: none;
  border-top: 1px solid var(--gray-light);
  margin: 28px 0;
}

.form-section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-light);
}

/* ---- 送信ボタン ---- */
.form-footer {
  padding: 0 36px 36px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 18px 32px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  width: 100%;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(188, 0, 45, 0.35);
}

.btn-submit:hover:not(:disabled) {
  background: var(--red-dark);
  box-shadow: 0 6px 24px rgba(188, 0, 45, 0.45);
  transform: translateY(-1px);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-submit .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .spinner { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-privacy {
  text-align: center;
  font-size: 12px;
  color: var(--gray);
  line-height: 1.6;
}

.form-privacy a {
  color: var(--red);
  text-decoration: none;
}

/* =============================================
   成功メッセージ
   ============================================= */
.success-card {
  display: none;
  background: var(--white);
  border: 2px solid #10b981;
  border-radius: 16px;
  padding: 56px 36px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

.success-card.show {
  display: block;
}

.success-card .success-icon {
  font-size: 72px;
  margin-bottom: 20px;
  display: block;
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.success-card h2 {
  font-size: 26px;
  font-weight: 800;
  color: #065f46;
  margin-bottom: 12px;
}

.success-card p {
  font-size: 15px;
  color: #374151;
  max-width: 420px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

.success-card .success-steps {
  background: #f0fdf4;
  border-radius: 10px;
  padding: 20px 24px;
  text-align: left;
  max-width: 400px;
  margin: 0 auto 28px;
}

.success-card .success-steps h4 {
  font-size: 14px;
  font-weight: 700;
  color: #065f46;
  margin-bottom: 10px;
}

.success-card .success-steps ol {
  padding-left: 20px;
  font-size: 14px;
  color: #374151;
  line-height: 1.8;
}

.success-card .btn-back-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sumi);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s;
}

.success-card .btn-back-home:hover {
  background: #444;
}

/* =============================================
   サイドバー（料金表）
   ============================================= */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.post-sidebar {
  position: sticky;
  top: 80px;
}

.price-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.price-card-header {
  background: var(--sumi);
  color: var(--white);
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-card-body {
  padding: 20px;
}

.tier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-light);
  gap: 12px;
}

.tier-row:last-child {
  border-bottom: none;
}

.tier-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tier-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--sumi);
}

.tier-followers {
  font-size: 12px;
  color: var(--gray);
}

.tier-reward {
  font-size: 16px;
  font-weight: 800;
  color: var(--red);
  white-space: nowrap;
}

.faq-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-item {
  border-bottom: 1px solid var(--gray-light);
  padding: 16px 20px;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-q {
  font-size: 13px;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 6px;
  display: flex;
  gap: 6px;
}

.faq-q::before {
  content: 'Q.';
  color: var(--red);
  flex-shrink: 0;
}

.faq-a {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  padding-left: 20px;
}

/* =============================================
   フッター
   ============================================= */
.post-footer {
  background: var(--sumi);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 24px;
  font-size: 13px;
}

.post-footer a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  margin: 0 8px;
}

.post-footer a:hover {
  color: var(--gold-light);
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 768px) {
  .post-layout {
    grid-template-columns: 1fr;
  }

  .post-sidebar {
    position: static;
    order: -1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-body,
  .form-footer {
    padding: 24px 20px;
  }

  .form-header {
    padding: 20px 20px;
  }

  .form-header .form-icon {
    font-size: 28px;
  }

  .form-header h2 {
    font-size: 18px;
  }

  .post-hero {
    padding: 48px 20px 40px;
  }

  .post-hero .hero-stats {
    gap: 24px;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .post-main {
    padding: 32px 16px 60px;
  }
}

@media (max-width: 480px) {
  .post-navbar .nav-logo .logo-text {
    font-size: 15px;
  }

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

  .success-card {
    padding: 40px 20px;
  }
}