/* ========================================
   FOB FACTORY Brand LP Stylesheet
   For Select Shop MARC ARROWS
   Mobile First Responsive Design
   ダーク背景・完全版 + 固定ヘッダー + スライダー
======================================== */

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #333333;
  --color-secondary: #4a6fa5;
  --color-accent: #2c3e50;
  --color-khaki: #8b7355;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-on-dark: #ffffff;
  --color-text-light-on-dark: #cccccc;
  --color-bg: #ffffff;
  --color-bg-light: #f8f8f8;
  --color-bg-dark: #333333;
  --color-bg-card-dark: #2a2a2a;
  --color-border: #e0e0e0;
  --color-border-dark: #444444;

  /* Typography */
  --font-primary: "Noto Sans JP", "Hiragino Kaku Gothic Pro", sans-serif;
  --font-accent: "Oswald", "Bebas Neue", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Header */
  --header-height: 60px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Fixed Header ===== */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-bg-dark);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-container {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  height: 40px;
}

.logo-img {
  height: 100%;
  width: auto;
  max-width: 240px;
  display: inline-block;
}

.header-nav {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav-link {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: #fff;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.75rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

@media (min-width: 768px) {
  .header-container {
    padding: 0 var(--spacing-md);
  }

  .header-nav {
    gap: var(--spacing-md);
  }

  .nav-link {
    font-size: 1rem;
    padding: 0.5rem 1rem;
  }
}

/* ===== Hamburger Menu ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
  position: absolute;
  left: 0;
}

.hamburger span:nth-child(1) {
  top: 0;
}

.hamburger span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
  bottom: 0;
}

/* ハンバーガーメニューが開いている状態（きれいなバツ印） */
.hamburger.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* モバイル時のナビゲーション */
@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-dark);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    gap: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .header-nav.active {
    transform: translateX(0);
  }

  /* メインナビゲーション */
  .nav-main {
    display: flex;
    flex-direction: column;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  }

  .nav-link {
    width: 100%;
    text-align: center; /* 中央揃え */
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.2s ease;
  }

  .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
  }

  /* モバイルメニュー内のフッター情報 */
  .nav-footer-info {
    display: block;
    padding: 2rem 1.5rem 3rem;
    text-align: center; /* すべて中央揃え */
  }

  .nav-footer-logo {
    text-align: center;
    margin-top: 2rem; /* 最後に配置するのでマージントップ */
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .nav-footer-logo img {
    height: 32px;
    width: auto;
    margin: 0 auto;
  }

  .nav-footer-section {
    margin-bottom: 2rem;
  }

  .nav-footer-section h4 {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-align: center;
  }

  .nav-footer-section a {
    display: block;
    padding: 0.8rem 0;
    font-size: 1rem;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
    text-align: center;
  }

  .nav-footer-section a:hover {
    color: var(--color-secondary);
    opacity: 1;
  }

  .nav-footer-hours {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    text-align: center;
  }

  .nav-footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
  }

  .nav-footer-social a {
    color: #fff;
    transition: all 0.2s ease;
  }

  .nav-footer-social a:hover {
    color: var(--color-secondary);
    transform: scale(1.1);
    opacity: 1;
  }
}

/* タブレット・PC時 */
@media (min-width: 768px) {
  .hamburger {
    display: none !important;
  }

  .header-nav {
    display: flex !important;
    transform: translateX(0) !important;
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    height: auto;
    flex-direction: row;
    padding: 0;
  }

  .nav-main {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    align-items: center;
  }

  /* PC時はフッター情報を非表示 */
  .nav-footer-info {
    display: none;
  }

  /* PCのフッターも中央揃え */
  .footer-content {
    text-align: center;
  }

  .footer-brand {
    text-align: center;
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
  }

  .footer-column {
    text-align: center;
  }

  .footer-column ul {
    display: flex;
    flex-direction: column;
    align-items: baseline;
  }
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.section-subtitle {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Dark sections用 */
.why-choose .section-title,
.products .section-title,
.customer-reviews .section-title,
.faq .section-title,
.why-us .section-title,
.why-buy .section-title {
  color: var(--color-text-on-dark);
}

.why-choose .section-subtitle,
.products .section-subtitle,
.customer-reviews .section-subtitle,
.faq .section-subtitle,
.why-us .section-subtitle,
.why-buy .section-subtitle {
  color: var(--color-text-light-on-dark);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.25rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border-radius: 4px;
  transition: all var(--transition-normal);
  width: 100%;
}
.btn2 {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border-radius: 4px;
  transition: all var(--transition-normal);
  min-width: 400px;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #fff;
  border: 2px solid var(--color-secondary);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  opacity: 1;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #fff;
  opacity: 1;
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  min-width: 250px;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-bg-dark);
  padding-top: 10vh;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4),
    rgba(0, 0, 0, 0.7)
  );
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: var(--spacing-md);
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-lg);
  border-radius: 20px;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-brand {
  display: block;
  max-width: 280px;
  width: 80%;
  height: auto;
  margin: 0 auto var(--spacing-sm);
}

.hero-subtitle {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  opacity: 0.95;
}

.hero-description {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: #fff;
  text-align: center;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.scroll-arrow {
  width: 1px;
  height: 40px;
  background-color: #fff;
  margin: var(--spacing-xs) auto 0;
  animation: scrollArrow 2s infinite;
}

@keyframes scrollArrow {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0;
  }
  50% {
    transform: translateY(20px);
    opacity: 1;
  }
}

@media (min-width: 768px) {
  .hero-brand {
    max-width: 280px;
  }

  .hero-subtitle {
    font-size: 1.38rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }
}
@media (max-width: 767px) {
  .hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-bg-dark);
    padding-top: 5vh;
  }
}

/* ===== Why Choose Section ===== */
.why-choose {
  padding: var(--spacing-xl) 0;
  background-color: #4b4a4a;
  color: var(--color-text-on-dark);
}

.reasons-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.reason-card {
  background-color: var(--color-bg-card-dark);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border-dark);
}

.reason-number {
  font-family: var(--font-accent);
  font-size: 2rem;
  color: #ffffff;
  margin-bottom: var(--spacing-sm);
}

.reason-title {
  font-size: 1.25rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-sm);
}

.reason-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-light-on-dark);
}

.staff-comment {
  background-color: var(--color-accent);
  color: #fff;
  padding: var(--spacing-md);
  border-radius: 8px;
  position: relative;
}

.staff-comment-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.staff-comment-text {
  font-size: 0.9rem;
  line-height: 1.6;
}

.staff-comment-text strong {
  display: block;
  line-height: 1;
}

@media (min-width: 768px) {
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Product Review Section ===== */
.products {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.review-rating {
  color: #FFD700;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.product-review {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-card-dark);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border-dark);
}

.product-images {
  position: relative;
}

/* ===== Product Slider ===== */
.product-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  background-color: #1a1a1a;
}

.slider-container {
  position: relative;
  width: 100%;
  padding-bottom: 133.33%; /* 600x800px用 (800/600*100) */
}

.slider-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.slider-image.active {
  opacity: 1;
  pointer-events: auto;
}

.slider-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Slider Buttons */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
  border: none;
}

.slider-btn:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.slider-prev {
  left: 10px;
}

.slider-next {
  right: 10px;
}

/* Slider Indicators */
.slider-indicators {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgb(35 35 35 / 50%);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.indicator.active {
  background-color: #4a6fa5;
  width: 24px;
  border-radius: 4px;
}

.indicator:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--color-secondary);
  color: #fff;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 20px;
  z-index: 11;
}

.product-review-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-name {
  font-size: 1.5rem;
  color: var(--color-text-on-dark);
  line-height: 1;
  display: block;
}

.product-price {
    font-size: 1.0rem;
    color: #ffffff;
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    display: block;
    line-height: 1;
}

.tax-note {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-light-on-dark);
}

.staff-review {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 8px;
}

.staff-review h4 {
  font-size: 1.125rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-xs);
}


.staff-review p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-light-on-dark);
}

.staff-review strong {
  color: var(--color-text-on-dark);
}

.size-guide-mini {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 8px;
}

.size-guide-mini h4 {
  font-size: 1.125rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-sm);
}

.staff-info {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-light-on-dark);
}

.staff-info strong {
  color: var(--color-text-on-dark);
}

.size-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.size-table th,
.size-table td {
  padding: 0.75rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-dark);
}

.size-table th {
  font-weight: 700;
  color: var(--color-text-on-dark);
  background-color: rgba(255, 255, 255, 0.05);
}

.size-table td {
  color: var(--color-text-light-on-dark);
}

.product-cta {
  margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
  .product-review {
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
  }

  .product-review-reverse {
    direction: rtl;
  }

  .product-review-reverse > * {
    direction: ltr;
  }
}
@media (max-width: 767px) {
  .product-review {
    padding: var(--spacing-sm);
  }
  .product-cta {
    text-align: center;
  }
  .footer-logo-img {
    width: 100%;
    height: auto;
  }
  .staff-review,
  .size-guide-mini {
    padding: var(--spacing-sm);
  }
  .staff-review p {
    font-size: 1rem;
    line-height: 1.7;
  }
  .reason-number {
        font-family: var(--font-accent);
        font-size: 3rem;
        color: #ffffff;
        margin-bottom: var(--spacing-sm);
        display: block;
        line-height: 1.25;
    }
}

/* ===== Customer Reviews Section ===== */
.customer-reviews {
  padding: var(--spacing-xl) 0;
  background-color: #4b4a4a;
  color: var(--color-text-on-dark);
}

.reviews-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.review-card {
  background-color: var(--color-bg-card-dark);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border-dark);
}

.review-title {
  font-size: 1.125rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-sm);
}

.review-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-light-on-dark);
  margin-bottom: var(--spacing-md);
}

.review-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-light-on-dark);
}

.reviewer-name {
  font-weight: 500;
  color: var(--color-text-on-dark);
}

.reviews-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light-on-dark);
  font-style: italic;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== FAQ Section ===== */
.faq {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-bg-card-dark);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-dark);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-on-dark);
  text-align: left;
  transition: background-color var(--transition-fast);
}

.faq-question h3 {
  color: var(--color-text-on-dark);
  font-size: 1rem;
}

.faq-question:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: #ffffff;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 800px;
}

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-light-on-dark);
  margin-top: 16px;
}

.faq-answer strong {
  color: var(--color-text-on-dark);
}

/* ===== Why Buy at MARC ARROWS ===== */
.why-us,
.why-buy {
  padding: var(--spacing-xl) 0;
  background-color: #4b4a4a;
  color: var(--color-text-on-dark);
}

.benefits-grid {
  display: grid;
  gap: var(--spacing-md);
}

.benefit-card {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-card-dark);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border-dark);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.benefit-title {
  font-size: 1.125rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-xs);
}

.benefit-text {
  font-size: 0.875rem;
  color: var(--color-text-light-on-dark);
  line-height: 1.6;
}

.benefit-card h3 {
  font-size: 1.125rem;
  color: var(--color-text-on-dark);
  margin-bottom: var(--spacing-xs);
}

.benefit-card p {
  font-size: 0.875rem;
  color: var(--color-text-light-on-dark);
  line-height: 1.6;
}
@media (max-width: 767px) {
  .benefits-grid,
  .reviews-grid,
  .reasons-grid {
    gap: var(--spacing-sm);
  }
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== All Products CTA / Final CTA ===== */
.all-products-cta,
.final-cta {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-accent) 100%
  );
  color: #fff;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.cta-text {
  font-size: 1.125rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.all-products-cta .btn-primary,
.final-cta .btn-primary {
  background-color: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.all-products-cta .btn-primary:hover,
.final-cta .btn-primary:hover {
  background-color: var(--color-accent);
  color: #fff;
  border: 1px solid #fff;
}

.all-products-cta .btn-secondary,
.final-cta .btn-secondary {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

.all-products-cta .btn-secondary:hover,
.final-cta .btn-secondary:hover {
  background-color: #fff;
  color: var(--color-primary);
}

.category-link {
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 20px;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.category-link:hover {
  background-color: rgba(255, 255, 255, 0.3);
  opacity: 1;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 2.5rem;
  }

  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-bg-dark);
  color: #fff;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand {
  text-align: left;
}

.footer-logo-link {
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.footer-logo-img {
  height: 32px;
  width: auto;
}

.footer-shop-name {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-size: 0.875rem;
  opacity: 0.8;
  line-height: 1.6;
  text-align: left; /* この行を追加 */
}

.footer-links {
  display: grid;
  gap: var(--spacing-md);
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
  font-family: var(--font-accent); /* この行を追加 */
  letter-spacing: 0.05em; /* この行を追加 */
  text-align: left;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.footer-column a {
  font-size: 0.875rem;
  opacity: 0.8;
  word-break: break-word;
}

.footer-column a:hover {
  opacity: 1;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.7;
  text-align: center;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: #fff;
  color: var(--color-primary);
  opacity: 1;
}

/* LINE公式のホバー時の特別なスタイル */
.footer-social a.line-link:hover {
  background-color: #00b900;
  color: #fff;
  border-color: #00b900;
}

/* ===== Footer 改善（SP） ===== */
@media (max-width: 767px) {
  .footer-content {
    text-align: center;
    margin-bottom: 0;
  }

  .footer-brand {
    text-align: center;
  }

  .footer-links {
    text-align: center;
    gap: var(--spacing-lg);
  }

  .footer-column {
    text-align: center;
  }

  .footer-column h4 {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
  }

  .footer-column li {
    margin-bottom: 0;
  }

  .footer-column a {
    display: block;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-social a {
    width: 44px;
    height: 44px;
  }

  body
    > footer
    > div
    > div.footer-content
    > div.footer-links
    > div:nth-child(3)
    > ul
    > li:nth-child(3) {
    display: block;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    color: inherit;
    opacity: 0.8;
  }

  .footer-tagline {
    text-align: center;
    font-size: 1rem;
  }

  .footer-bottom {
    padding-top: 80px;
  }

  .footer-logo-img {
    height: 44px;
    width: auto;
  }
}

/* ===== Footer (PC・タブレット) ===== */
@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 2.2fr;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr 1.2fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 2.5fr;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr 1.2fr;
  }

  .hero-brand {
    max-width: 300px;
  }
}

@media (min-width: 1200px) {
  .footer-links {
    grid-template-columns: 1fr 1fr 1.2fr;
  }
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 45px;
  height: 45px;
  background: rgba(0, 0, 0, 0.7);
  border: solid 1px rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.scroll-to-top__arrow {
  height: 10px;
  width: 10px;
  border-top: 3px solid rgba(255, 255, 255, 0.8);
  border-right: 3px solid rgba(255, 255, 255, 0.8);
  transform: translateY(20%) rotate(-45deg);
  transition: all 0.3s ease;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: rgba(0, 0, 0, 0.9);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.5);
}

.scroll-to-top:hover .scroll-to-top__arrow {
  border-color: rgba(255, 255, 255, 1);
  transform: translateY(10%) rotate(-45deg);
}

.scroll-to-top:active {
  transform: translateY(-1px);
}

/* PC・タブレット用 */
@media screen and (min-width: 768px) {
  .scroll-to-top {
    width: 50px;
    height: 50px;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.sp-only {
  display: inline;
}

@media (min-width: 768px) {
  .sp-only {
    display: none;
  }
}

.mb-0 {
  margin-bottom: 0;
}
.mb-sm {
  margin-bottom: var(--spacing-sm);
}
.mb-md {
  margin-bottom: var(--spacing-md);
}
.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-0 {
  margin-top: 0;
}
.mt-sm {
  margin-top: var(--spacing-sm);
}
.mt-md {
  margin-top: var(--spacing-md);
}
.mt-lg {
  margin-top: var(--spacing-lg);
}