/* ============================================================ */
/*  style.css - メインスタイルシート                          */
/* ============================================================ */
/*                                                              */
/*  このファイルの内容:                                        */
/*  1. CSS変数定義                                          */
/*  2. ヘッダー・ナビゲーション                              */
/*  3. セクション共通スタイル                                */
/*  4. ポイントセクション                                   */
/*  5. 比較表                                              */
/*  6. 車種ラインナップ                                      */
/*  7. 利用の流れ                                          */
/*  8. FAQ                                                   */
/*  9. フッター                                              */
/*  10. サイドボタン・PAGE TOPボタン                        */
/*  11. レスポンシブデザイン                                 */
/*                                                              */
/*  ※ メインビジュアルは main-visual.css を参照               */
/*                                                              */
/* ============================================================ */

/* Screen Reader Only (SEO用の非表示テキスト) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main-visual__catch h1 {
  margin: 0;
  padding: 0;
  line-height: 1;
}

/* CSS Variables */
:root {
  --primary-color: #e60012;
  --dark-color: #b5000e;
  --light-color: #fff5f5;
  --accent-color: #ff4444;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --text-light: #9ca3af;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --yellow-200: #fffcd3;
  --yellow-900: #f5c906;
  --red-accent: #e60012;
  --orange-accent: #e60012;
}

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

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow: hidden;
}

.loading-screen.loaded {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: 24px;
}

.spinner-circle {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 4px solid #f3f4f6;
  border-top: 4px solid #e60012;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: auto;
  opacity: 0.9;
}

.loading-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-gray);
  letter-spacing: 2px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

/* スクロール時のヘッダースタイル */
.header.is-scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.header__logo img {
  height: 32px;
  width: auto;
  display: block;
}

/* Desktop Navigation */
.header__nav--desktop {
  display: flex;
  gap: 32px;
  align-items: center;
}

.header__nav--desktop a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

/* Mobile Navigation Overlay */
.header__nav--mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 998;
}

.header__nav--mobile-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Navigation (Hidden by default) */
.header__nav--mobile {
  position: fixed;
  top: 72px;
  right: -100%;
  width: 280px;
  height: calc(100vh - 72px);
  background-color: var(--white);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  overflow-y: auto;
}

.header__nav--mobile.is-active {
  right: 0;
}

.header__nav-inner {
  padding: 30px 0;
}

.header__nav--mobile a {
  display: block;
  padding: 18px 30px 18px 40px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  position: relative;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--gray-100);
  transform: translateX(100px);
  opacity: 0;
  animation: slideInFromRight 0.4s ease forwards;
}

.header__nav--mobile.is-active a {
  transform: translateX(0);
  opacity: 1;
}

/* 各リンクに段階的なアニメーションディレイ */
.header__nav--mobile a:nth-child(1) { animation-delay: 0.05s; }
.header__nav--mobile a:nth-child(2) { animation-delay: 0.1s; }
.header__nav--mobile a:nth-child(3) { animation-delay: 0.15s; }
.header__nav--mobile a:nth-child(4) { animation-delay: 0.2s; }
.header__nav--mobile a:nth-child(5) { animation-delay: 0.25s; }

@keyframes slideInFromRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.header__nav--mobile a:hover {
  background-color: var(--gray-50);
  color: var(--primary-color);
  padding-left: 45px;
}

.header__nav--mobile a::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--primary-color);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.header__nav--mobile a:hover::after {
  transform: scaleY(1);
}

/* Actions Container */
.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger Menu Button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.header__menu-btn-line {
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Hamburger Animation */
.header__menu-btn.is-active .header__menu-btn-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__menu-btn.is-active .header__menu-btn-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.header__menu-btn.is-active .header__menu-btn-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.header__nav--desktop a:hover {
  color: var(--primary-color);
}

.header__nav--desktop a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -8px;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.header__nav--desktop a:hover::after {
  width: 100%;
}

.header__search-btn {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.header__search-btn:hover {
  background-color: var(--dark-color);
  transform: translateY(-1px);
}

/* ========================== */
/* メインビジュアルセクション */
/* ========================== */
/* メインビジュアルのスタイルは css/main-visual.css を参照してください */
/* main-visual.cssには以下が含まれます： */
/* - SVGアニメーション背景 */
/* - 車のアニメーション */
/* - レスポンシブ対応 */
/* ========================== */

/* Section */
.section {
  padding: 100px 0;
}

.section__title {
  font-size: 42px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 80px;
  color: var(--text-dark);
  line-height: 1.2;
  font-family: 'Montserrat', sans-serif;
}

#reasons {
  margin-top: 150px;
}
/* Point Main (POINT 01) */
.point-main {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border: 1px solid var(--gray-200);
  border-radius: 24px;
  padding: 60px;
  margin-bottom: 80px;
  position: relative;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.point-main.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.point__header {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-bottom: 15px;
}

.point-main .point__badge {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border: 2px solid var(--primary-color);
  border-radius: 16px;
  width: 90px;
  height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
  flex-shrink: 0;
}

.point-main .point__badge-text {
  font-size: 11px;
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.point-main .point__badge-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.point-main .point__title {
  font-size: 32px;
  margin: 0;
  padding-left: 0;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  flex: 1;
}

/* Points (02-05) */
.points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.point {
  background-color: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 50px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.point.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* ポイントセクションのアニメーション遅延 */
.points .point:nth-child(1) { transition-delay: 0.1s; }
.points .point:nth-child(2) { transition-delay: 0.2s; }
.points .point:nth-child(3) { transition-delay: 0.3s; }
.points .point:nth-child(4) { transition-delay: 0.4s; }

.point__badge {
  /* position: absolute; */
  top: 30px;
  left: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border: 2px solid var(--primary-color);
  border-radius: 16px;
  width: 80px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
}

.point__badge-text {
  font-size: 11px;
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.point__badge-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.point__title {
  font-size: 26px;
  margin: 20px 0 24px 0;
  /* padding-left: 110px; */
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  min-height: 70px;
  display: flex;
  align-items: center;
}

.point__description {
  font-size: 16px;
  line-height: 1.7;
  padding-left: 30px;
  margin-top: 20px;
  color: var(--text-gray);
}

/* VIP Benefits */
.vip-benefits {
  margin: 50px 0;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefit {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.benefit.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.benefit:nth-child(1) { transition-delay: 0.1s; }
.benefit:nth-child(2) { transition-delay: 0.2s; }
.benefit:nth-child(3) { transition-delay: 0.3s; }
.benefit:nth-child(4) { transition-delay: 0.4s; }

/* コンテンツエリア */
.benefit__content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 黄色背景のヘッダーエリア（赤い番号、アイコン、タイトル） */
.benefit__header {
  background: linear-gradient(to right, #e60012 80px, #fff200 80px);
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0;
  position: relative;
}

.benefit__number {
  background-color: #e60012;
  color: white;
  font-size: 36px;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  line-height: 1;
  width: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}

.benefit__icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0 16px;
}

.benefit__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--text-dark);
}

.benefit__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin: 0;
  padding: 20px 24px;
  flex: 1;
}

.benefit__title-sub {
  font-size: 16px;
  font-weight: 600;
}

/* 説明テキストエリア */
.benefit__description {
  padding: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
}

.benefit__description small {
  font-size: 13px;
  color: var(--text-gray);
  display: inline-block;
  margin-top: 8px;
}

/* VIP More Info Link */
.vip-more-info {
  margin-top: 40px;
  text-align: center;
  padding: 30px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border-radius: 16px;
}

.vip-more-info__text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.vip-more-info .cta-button {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--white);
  font-weight: 700;
}

.vip-more-info .cta-button:hover {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  box-shadow: 0 8px 24px rgba(230, 0, 18, 0.4);
}

/* Comparison Table */
.comparison {
  padding: 80px 0;
  background-color: var(--gray-50);
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  background-color: var(--white);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.comparison__table.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.comparison__table th,
.comparison__table td {
  padding: 24px;
  text-align: center;
  font-size: 16px;
  line-height: 1.6;
  border-bottom: 1px solid var(--gray-200);
}

.comparison__table th {
  background-color: var(--text-dark);
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
}

.comparison__table tbody tr:nth-child(even) .category {
  background-color: var(--gray-100);
  color: var(--text-dark);
  font-weight: 700;
}

.comparison__table tbody tr:nth-child(odd) .category {
  background-color: var(--gray-50);
  color: var(--text-dark);
  font-weight: 700;
}

.comparison__table tbody tr:nth-child(even) .unyoil-col,
.comparison__table tbody tr:nth-child(even) .general-col,
.comparison__table tbody tr:nth-child(even) .highlight {
  background-color: var(--white);
}

.comparison__table tbody tr:nth-child(odd) .unyoil-col,
.comparison__table tbody tr:nth-child(odd) .general-col,
.comparison__table tbody tr:nth-child(odd) .highlight {
  background-color: var(--gray-50);
}

/* VIP Icon in Comparison Table */
.vip-icon {
  display: inline-block;
  width: 61px;
  height: 31px;
  margin-right: 8px;
  vertical-align: middle;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  animation: vipPulse 2s ease-in-out infinite;
}

/* VIP Icon Pulse Animation */
@keyframes vipPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* VIP Break (Hidden by default) */
.vip-break {
  display: none;
}

/* Lineup */
.cars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.car {
  background-color: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.car.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.car:nth-child(1) { transition-delay: 0s; }
.car:nth-child(2) { transition-delay: 0.1s; }
.car:nth-child(3) { transition-delay: 0.2s; }
.car:nth-child(4) { transition-delay: 0.3s; }
.car:nth-child(5) { transition-delay: 0.4s; }
.car:nth-child(6) { transition-delay: 0.5s; }
.car:nth-child(7) { transition-delay: 0.6s; }
.car:nth-child(8) { transition-delay: 0.7s; }
.car:nth-child(9) { transition-delay: 0.8s; }

.car__image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-gray);
  font-weight: 500;
}

.car__info {
  padding: 24px;
  text-align: center;
}

.car__name {
  font-size: 20px;
  margin-bottom: 16px;
  color: var(--text-dark);
  font-weight: 600;
}

.car__price {
  font-size: 16px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.car__price .price-amount {
  color: #e60012;
  font-weight: 800;
  font-size: 28px;
  font-family: 'Montserrat', sans-serif;
  margin: 0 4px;
}

.car__bonus {
  font-size: 15px;
  color: var(--text-gray);
}

.car__bonus .bonus-label {
  font-size: 14px;
  color: var(--text-gray);
}

.car__bonus .bonus-amount {
  color: #e60012;
  font-weight: 700;
  font-size: 16px;
  margin-left: 4px;
}

/* Flow - Enhanced Design */
.flow {
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 50%, #ffffff 100%);
  padding: 100px 0;
  position: relative;
}

.flow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #e60012, transparent);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}

/* Connection lines between steps */
/* .steps::before {
  content: '';
  position: absolute;
  top: 100px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    #e60012,
    #e60012 10px,
    transparent 10px,
    transparent 20px
  );
  z-index: 0;
} */

.step {
  background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
  border: 2px solid transparent;
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease, border-color 0.3s ease;
}

.step.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.step:nth-child(1) { transition-delay: 0s; }
.step:nth-child(2) { transition-delay: 0.1s; }
.step:nth-child(3) { transition-delay: 0.2s; }
.step:nth-child(4) { transition-delay: 0.3s; }
.step:nth-child(5) { transition-delay: 0.4s; }
.step:nth-child(6) { transition-delay: 0.5s; }

.step__content {
  position: relative;
}

.step__icon {
  width: 180px;
  height: 180px;
  margin: 0 auto 32px;
  background: linear-gradient(135deg, #e60012 0%, #ff4444 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 12px 32px rgba(230, 0, 18, 0.25), inset 0 -3px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  overflow: hidden;
  cursor: pointer;
}

.step:hover .step__icon {
  transform: scale(1.05);
  box-shadow: 0 16px 40px rgba(230, 0, 18, 0.35), inset 0 -3px 6px rgba(0, 0, 0, 0.15);
}

.step:hover .step__icon svg {
  transform: scale(1.1);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}







.step__icon::before {
  content: '';
  position: absolute;
  inset: -10px;
  background: linear-gradient(135deg, rgba(230, 0, 18, 0.1), rgba(255, 68, 68, 0.1));
  border-radius: 50%;
  z-index: -1;
  animation: pulse 2s ease-in-out infinite;
}



@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.step__icon-step {
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 2;
  display: block;
  margin-bottom: 4px;
}

.step__icon-number {
  color: white;
  font-size: 44px;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  line-height: 1;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 2;
  display: block;
  margin-bottom: 5px;
}

.step__icon svg {
  width: 55px;
  height: 55px;
  opacity: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  transition: all 0.3s ease;
}

/* Step number badge - removed as it's now integrated into icon */
.step__badge {
  display: none;
}

.step__number {
  display: none; /* Now integrated into icon */
}

.step__title {
  font-size: 22px;
  margin-bottom: 20px;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  line-height: 1.3;
}

.step__description {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-gray);
  text-align: center;
  margin-bottom: 24px;
}

.step__note {
  font-size: 13px;
  line-height: 1.6;
  color: #e60012;
  text-align: center;
  font-style: italic;
}

/* CTA button in step */
.step .cta-button {
  background: linear-gradient(135deg, #e60012, #ff4444);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(230, 0, 18, 0.3);
  margin-top: 8px;
}

.step .cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(230, 0, 18, 0.4);
  background: linear-gradient(135deg, #ff4444, #e60012);
}

/* CTA Button */
.cta-button {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--white);
  padding: 16px 40px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 0, 18, 0.4);
}

/* Car Sales Banner */
.car-sales-banner {
  padding: 80px 0;
  background: repeating-linear-gradient(
    45deg,
    #f5f5f5,
    #f5f5f5 10px,
    #ffffff 10px,
    #ffffff 20px
  );
  position: relative;
}

.car-sales-banner__wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  max-width: 1000px;
  margin: 0 auto;
  display: block;
  text-decoration: none;
  transition: box-shadow 0.3s ease;
}

.car-sales-banner__wrapper:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.car-sales-banner__image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.car-sales-banner__wrapper:hover .car-sales-banner__image {
  transform: scale(1.05);
  opacity: 0.9;
}

.car-sales-banner__cta {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  white-space: nowrap;
  pointer-events: none;
  transition: transform 0.3s ease;
}

.car-sales-banner__wrapper:hover .car-sales-banner__cta {
  transform: translateX(-50%) scale(1.05);
}

/* FAQ */
.faq {
  background-color: var(--gray-100);
  padding: 100px 0;
}

.faq-items {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 24px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.faq-item.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.faq-item:nth-child(1) { transition-delay: 0s; }
.faq-item:nth-child(2) { transition-delay: 0.15s; }
.faq-item:nth-child(3) { transition-delay: 0.3s; }
.faq-item:nth-child(4) { transition-delay: 0.45s; }
.faq-item:nth-child(5) { transition-delay: 0.6s; }

.faq-item__question {
  background-color: var(--yellow-200);
  padding: 32px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.faq-item__q-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--yellow-900);
  flex-shrink: 0;
}

.faq-item__q-text {
  font-size: 24px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--text-dark);
}

.faq-item__answer {
  background-color: var(--white);
  padding: 32px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.faq-item__a-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-color);
  flex-shrink: 0;
}

.faq-item__a-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-gray);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
  color: var(--white);
  padding: 80px 0;
}

.footer__content {
  text-align: center;
}

.footer__logo {
  margin-bottom: 32px;
  display: flex;
  justify-content: center;
}

.footer__logo img {
  width: 180px;
  height: auto;
  display: block;
}

.footer__description {
  font-size: 16px;
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto 24px;
  opacity: 0.9;
}

.footer__company-info {
  font-size: 14px;
  margin: 32px 0;
  opacity: 0.8;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
}

.footer__links a {
  font-size: 14px;
  color: var(--white);
  text-decoration: underline;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.footer__links a:hover {
  opacity: 1;
}

/* Copyright */
.copyright {
  background-color: var(--gray-900);
  color: var(--white);
  padding: 24px 0;
}

.copyright__text {
  font-size: 12px;
  text-align: center;
  margin: 0;
  line-height: 1.6;
  opacity: 0.7;
}

/* Side Buttons */
.side-buttons {
  position: fixed;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 100;
}

.side-button {
  width: 70px;
  height: 150px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  border-radius: 35px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(230, 0, 18, 0.3);
}

.side-button:hover {
  transform: translateX(-8px);
  box-shadow: 0 12px 32px rgba(230, 0, 18, 0.4);
}

.side-button--contact {
  background: linear-gradient(135deg, #888888, #666666);
}

.side-button--apply {
  background: linear-gradient(135deg, #e60012, #ff4444);
}

/* Page Top Button */
.page-top {
  position: fixed;
  right: 32px;
  bottom: 32px;
  width: 190px;
  height: 90px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px;
  font-size: 10px;
  font-weight: 700;
  transition: all 0.3s ease, opacity 0.4s ease, visibility 0.4s ease;
  box-shadow: 0 8px 24px rgba(230, 0, 18, 0.3);
  z-index: 100;
  cursor: pointer;
  overflow: visible;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.page-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(230, 0, 18, 0.4);
}

.page-top__icon {
  width: 125px;
  height: 125px;
  margin-top: -80px;
  transition: transform 0.3s ease;
}

.page-top:hover .page-top__icon {
  transform: translateY(-3px);
}

.page-top__text {
  font-size: 10px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  margin-top: -2px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  /* ハンバーガーメニュー表示 */
  .header__menu-btn {
    display: flex;
  }
  
  /* デスクトップナビゲーション非表示 */
  .header__nav--desktop {
    display: none;
  }
  .container {
    padding: 0 20px;
  }
  
  /* タブレット時のサイドボタン調整 */
  .side-buttons {
    right: 20px;
  }
  
  .side-button {
    width: 60px;
    height: 140px;
    font-size: 14px;
  }
  
  .points {
    grid-template-columns: 1fr;
  }
  
  .benefits {
    grid-template-columns: 1fr;
  }
  
  .benefit__header {
    background: linear-gradient(to right, #e60012 70px, #fff200 70px);
  }
  
  .benefit__number {
    width: 70px;
    font-size: 32px;
  }
  
  .benefit__icon {
    width: 44px;
    height: 44px;
    margin: 0 12px;
  }
  
  .benefit__icon svg {
    width: 28px;
    height: 28px;
  }
  
  .benefit__title {
    font-size: 18px;
    padding: 18px 20px;
  }
  
  .benefit__description {
    padding: 20px;
    font-size: 14px;
  }
  
  .cars {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .steps::before {
    display: none;
  }
  
  .point__header {
    gap: 20px;
    margin-bottom: 20px;
  }
  
  .point-main .point__badge {
    width: 80px;
    height: 80px;
  }
  
  .point-main .point__badge-number {
    font-size: 28px;
  }
  
  .point-main .point__title {
    font-size: 28px;
  }
  
  .point__title {
    font-size: 24px;
    /* padding-left: 20px; */
    min-height: 80px;
  }
  
  .main-visual__title {
    font-size: 42px;
  }
  
  .section__title {
    font-size: 36px;
  }
  
  /* Page Top Button for Tablet */
  .page-top {
    right: 24px;
    bottom: 24px;
    width: 75px;
    height: 75px;
  }
  
  .page-top__icon {
    width: 50px;
    height: 50px;
    margin-top: -3px;
  }
  
  .page-top__text {
    font-size: 9px;
    margin-top: -3px;
  }
}

/* タッチデバイス向けの調整 */
@media (hover: none) and (pointer: coarse) {
  .step__icon {
    cursor: default;
  }
  
  .step:hover .step__icon {
    transform: none;
  }
  
  .step:active .step__icon {
    transform: scale(0.98);
  }
}

/* ========================== */
/* アクセシビリティ対応 */
/* ========================== */
/* アニメーション無効化（ユーザー設定による） */
@media (prefers-reduced-motion: reduce) {
  .point-main,
  .point,
  .benefit,
  .car,
  .step,
  .faq-item,
  .comparison__table {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  /* SVGアニメーションの無効化はmain-visual.cssで定義 */
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  /* モバイルヘッダー調整 */
  .header__content {
    height: 60px;
    padding: 12px 0;
  }
  
  .header__logo img {
    height: 24px;
  }
  
  .header__nav--mobile {
    top: 60px;
    height: calc(100vh - 60px);
    width: 75%; /* SP時は画面幅の75%に */
    max-width: 320px;
  }
  
  /* メインビジュアル関連のスタイルはmain-visual.cssに移動 */
  
  /* 店舗検索ボタンのモバイル対応 */
  .header__search-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .main-visual__logo img {
    width: 160px;
  }
  
  .footer__logo img {
    width: 140px;
  }
  
  .steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .step {
    padding: 30px 20px;
  }
  
  .step__icon {
    width: 120px;
    height: 120px;
  }
  
  .step__icon-step {
    font-size: 10px;
    margin-bottom: 2px;
  }
  
  .step__icon-number {
    font-size: 34px;
    margin-bottom: 3px;
  }
  
  .step__icon svg {
    width: 45px;
    height: 45px;
    opacity: 1;
  }
  
  .step__title {
    font-size: 18px;
  }
  
  .step__description {
    font-size: 14px;
  }

  

  .section__title {
    font-size: 28px;
    margin-bottom: 60px;
  }
  
  .cars {
  grid-template-columns: 1fr;
  }
  
  /* VIP Benefits - スマホ対応 */
  /* .benefit__header {
    background: linear-gradient(to bottom, #e60012 60px, #fff200 60px);
    flex-direction: column;
    align-items: stretch;
  }
  
  .benefit__number {
    width: 60px;
    height: 60px;
    font-size: 28px;
    align-self: auto;
  } */

  .benefit__header {
    background: linear-gradient(to right, #e60012 60px, #fff200 60px);
  }
  
  .benefit__number {
    width: 60px;
    font-size: 28px;
  }

  
  .benefit__icon {
    position: absolute;
    top: 10px;
    right: 20px;
    width: 40px;
    height: 40px;
    margin: 0;
  }
  
  .benefit__icon svg {
    width: 24px;
    height: 24px;
  }
  
  .benefit__title {
    font-size: 16px;
    padding: 16px 10px;
  }
  
  .benefit__title-sub {
    font-size: 14px;
  }
  
  .benefit__description {
    padding: 18px 20px;
    font-size: 14px;
  }

  .vip-more-info {
    margin-top: 30px;
    padding: 24px 20px;
  }

  .vip-more-info__text {
    font-size: 16px;
    margin-bottom: 16px;
  }

  .point-main,
  .point {
    padding: 32px 24px;
  }
  
  .point__header {
    gap: 16px;
    margin-bottom: 20px;
    /* flex-direction: column;
    align-items: flex-start; */
  }
  
  .point-main .point__badge {
    width: 60px;
    height: 60px;
  }
  
  .point__badge {
    width: 60px;
    height: 60px;
    top: 20px;
    left: 24px;
  }
  
  .point-main .point__badge-number {
    font-size: 24px;
  }
  
  .point__badge-number {
    font-size: 24px;
  }
  
  .point-main .point__badge-text {
    font-size: 9px;
  }
  
  .point__badge-text {
    font-size: 9px;
  }
  
  .point-main .point__title {
    font-size: 20px;
    min-height: auto;
    padding-left: 0;
  }
  
  .point__title {
    /* padding-left: 90px; */
    font-size: 20px;
    min-height: 90px;
    margin: 0;
  }
  
  .comparison {
    overflow-x: auto;
  }
  
  .comparison__table {
    min-width: 600px;
  }
  
  /* VIP Icon - Mobile */
  .vip-icon {
    width: 51px;
    height: 26px;
    margin-right: 6px;
  }
  
  /* VIP Break - Show on Mobile */
  .vip-break {
    display: block;
  }
  
  /* Car Sales Banner - Mobile */
  .car-sales-banner {
    padding: 50px 0;
  }
  
  .car-sales-banner__wrapper {
    border-radius: 12px;
  }
  
  .car-sales-banner__cta {
    bottom: 20px;
    font-size: 14px;
    padding: 12px 32px;
  }
  
  .faq-item__question,
  .faq-item__answer {
    padding: 24px 20px;
  }
  
  .faq-item__q-number,
  .faq-item__a-number {
    font-size: 24px;
  }
  
  .faq-item__q-text {
    font-size: 18px;
  }
  
  /* Side Buttons - 画面下部に固定 */
  .side-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    transform: none;
    display: flex;
    flex-direction: row;
    gap: 0;
    z-index: 100;
    background-color: var(--white);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px;
    animation: slideUpFromBottom 0.3s ease;
  }
  
  @keyframes slideUpFromBottom {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }
  
  .side-button {
    width: calc(50% - 4px);
    height: 50px;
    writing-mode: initial;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: row;
    padding: 0 12px;
    transition: all 0.2s ease;
    box-shadow: none;
    text-decoration: none;
  }
  
  .side-button:active {
    transform: scale(0.98);
  }
  
  .side-button--contact {
    background: linear-gradient(135deg, #888888, #666666);
    margin-right: 4px;
  }
  
  .side-button--apply {
    background: linear-gradient(135deg, #e60012, #ff4444);
    margin-left: 4px;
  }
  
  /* コンテンツの下部マージン調整（ボタンに隠れないように） */
  body {
    padding-bottom: 70px;
  }
  
  /* Page Top Button for Mobile */
  .page-top {
    right: 16px;
    bottom: 80px; /* 下部固定ボタンの上に表示 */
    width: 60px;
    height: 60px;
    padding: 8px;
  }
  
  .page-top__icon {
    width: 40px;
    height: 40px;
    margin-top: -2px;
  }
  
  .page-top__text {
    font-size: 8px;
    margin-top: -2px;
  }
}

/* より小さい画面対応 (iPhone SE等) */
@media (max-width: 375px) {
  .side-buttons {
    padding: 6px;
  }
  
  .side-button {
    height: 48px;
    font-size: 13px;
    padding: 0 10px;
    border-radius: 6px;
  }
  
  body {
    padding-bottom: 60px;
  }
  
  .page-top {
    right: 12px;
    bottom: 70px;
    width: 55px;
    height: 55px;
  }
  
  .page-top__icon {
    width: 36px;
    height: 36px;
  }
  
  /* Car Sales Banner - Very Small Screens */
  .car-sales-banner {
    padding: 40px 0;
  }
  
  .car-sales-banner__cta {
    bottom: 15px;
    font-size: 13px;
    padding: 10px 24px;
  }
  
  /* Loading Screen - Mobile */
  .loading-spinner {
    width: 100px;
    height: 100px;
  }
  
  .loading-logo {
    width: 50px;
  }
  
  .loading-text {
    font-size: 12px;
  }
}