:root {
  --color-primary: #0D7886;
  --color-accent: #F0F8FA;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-orange: #FF7A00;
  --border-radius: 0.375rem;
  --border-radius-lg: 0.75rem;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,.1);
}

/* ===========================================
   Base Styles
   =========================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  position: relative;
}

#app {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

a {
  transition: color var(--transition);
}

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

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

/* ===========================================
   Button Components
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius);
  transition: transform var(--transition), box-shadow var(--transition);
  font-weight: 500;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  transform: scale(1.05);
}

.btn--secondary {
  background: #fff;
  color: var(--color-primary);
  outline: 1px solid var(--color-primary);
}

.btn--secondary:hover {
  transform: scale(1.05);
}

.btn--accent {
  background: var(--color-orange);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255,122,0,.25);
  transform: scale(1.3);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  min-width: 280px;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  white-space: nowrap;
}

.btn--accent:hover {
  transform: scale(1.35) translateY(-2px);
  box-shadow: 0 12px 35px rgba(255,122,0,.4);
}

.btn--accent-outline {
  background: #fff;
  color: var(--color-orange);
  outline: 2px solid var(--color-orange);
  transform: scale(1.3);
  font-weight: 600;
  letter-spacing: 0.5px;
  min-width: 280px;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  white-space: nowrap;
}

.btn--accent-outline:hover {
  transform: scale(1.35) translateY(-2px);
  box-shadow: 0 12px 35px rgba(255,122,0,.3);
}

/* News section specific button styling */
#news .btn--accent-outline {
  min-width: auto;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  transform: scale(1);
  white-space: nowrap;
}

#news .btn--accent-outline:hover {
  transform: scale(1.05) translateY(-2px);
}

/* ===========================================
   Card Components
   =========================================== */
.card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  height: 12rem;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.card__body {
  padding: 1rem;
}

.card__title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Staff Cards - Enhanced Styles */
#staff .card {
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
}

#staff .card__image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 1rem auto 1.5rem auto;
  display: block;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#staff .card__body {
  padding: 0 1rem 0.5rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  text-align: left;
  width: 100%;
}

#staff .card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

#staff .card__text {
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 0;
}

#staff .card:hover .card__image {
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

/* ===========================================
   Header & Navigation
   =========================================== */
.site-header {
  background: transparent;
  transition: background var(--transition);
}

.site-header.is-scrolled {
  background: rgba(13, 120, 134, 0.9);
}

.site-header .font-semibold {
  font-size: 1.25rem;
  font-weight: 600;
}

.site-header img {
  height: 2.5rem;
  width: auto;
}

.nav-link {
  position: relative;
  padding: 0.75rem 0.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-link:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  border-radius: 4px;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: #fff;
  opacity: 0.9;
}

/* Ensure navigation is visible on desktop */
@media (min-width: 641px) {
  #primary-nav {
    display: block !important;
  }
}

/* ===========================================
   Hero Section
   =========================================== */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 66.67vh;
  display: flex;
  align-items: center;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 2s ease-in-out;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 120, 134, 0.7);
  z-index: 2;
}

.hero-section .tagline {
  font-size: clamp(32px, 6vw, 80px);
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  text-align: left;
  font-weight: 700;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ===========================================
   Typography
   =========================================== */
.tagline {
  color: var(--color-primary);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
}

.tagline--inverse {
  color: #fff;
}

.lead {
  margin-top: 1rem;
  max-width: 48rem;
  color: var(--color-text-secondary);
  font-size: clamp(14px, 2.2vw, 18px);
}

/* ===========================================
   Table Components
   =========================================== */
.modern-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}

.modern-table th {
  vertical-align: top;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding-right: 1.5rem;
  white-space: nowrap;
}

.modern-table td {
  font-size: clamp(14px, 1vw, 16px);
}

#company .modern-table tr {
  border-bottom: 1px solid #e5e7eb;
}

#company .modern-table tr:last-child {
  border-bottom: none;
}

/* ===========================================
   Layout Specific Styles
   =========================================== */
#about img[alt="企業ロゴ"] {
  width: 70%;
  height: auto;
  margin: 0 auto;
  display: block;
}

#business .flex.flex-col {
  padding: 2rem 0;
  min-height: 300px;
  justify-content: center;
  gap: 47px;
}

/* ===========================================
   Animations
   =========================================== */
[data-cta] {
  will-change: transform;
}

[data-cta].pulse {
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(13,120,134,0);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(13,120,134,0.18);
  }
}

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 640px) {
  .mx-auto.max-w-7xl, .max-w-7xl {
    width: 100%;
    max-width: 100%;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    overflow-x: hidden;
  }

  .site-header .font-semibold {
    font-size: 1rem;
  }

  .site-header img {
    height: 2rem;
  }

  .site-header .mx-auto {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .btn--accent, .btn--accent-outline {
    min-width: auto;
    width: 100%;
    max-width: 250px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    transform: scale(1);
  }

  .btn--accent:hover, .btn--accent-outline:hover {
    transform: scale(1.05) translateY(-1px);
  }

  #news .btn--accent-outline {
    width: auto;
    max-width: none;
    padding: 0.625rem 1.25rem;
    font-size: 0.85rem;
  }

  .grid {
    gap: 1rem;
  }

  .gap-8 {
    gap: 1rem;
  }

  .gap-6 {
    gap: 0.75rem;
  }

  .overflow-x-auto {
    width: 100%;
    max-width: calc(100vw - 1.5rem);
  }

  iframe {
    width: 100% !important;
    max-width: 100% !important;
  }

  .aspect-video {
    width: 100%;
    max-width: 100%;
  }

  #access .h-\[400px\], #access iframe {
    width: 100% !important;
    height: 250px;
    max-width: 100% !important;
  }

  footer .mx-auto {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  section {
    overflow-x: hidden;
  }

  #business .flex.flex-col {
    gap: 1.5rem;
    padding: 1rem 0;
    min-height: auto;
  }

  #staff .grid {
    gap: 1rem;
  }

  #company .modern-table {
    font-size: 14px;
  }

  #company .modern-table th {
    padding-right: 0.75rem;
    font-size: 13px;
  }

  .w-full {
    width: 100% !important;
    max-width: 100% !important;
  }
}

@media (max-width: 375px) {
  .mx-auto.max-w-7xl {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .btn--accent, .btn--accent-outline {
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
  }

  .hero-section .tagline {
    font-size: clamp(24px, 8vw, 48px);
  }
}

/* ===========================================
   Accessibility
   =========================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ===========================================
   Utilities
   =========================================== */
.parallax {
  background: linear-gradient(180deg, rgba(13,120,134,0.15), rgba(240,248,250,0.15));
}

img[alt="企業ロゴ"], header img {
  aspect-ratio: auto;
  height: auto;
}

img[alt*="バナー"] {
  aspect-ratio: 16/9;
}

/* ===========================================
   Desktop Performance Enhancements
   =========================================== */
@media (min-width: 1024px) {
  /* スムーズなスクロール体験 */
  html {
    scroll-behavior: smooth;
  }
  
  /* レイジーローディング無効化 - 画像を即座に表示 */
  img {
    opacity: 1 !important;
  }
  
  /* Intersection Observer用のプレースホルダー */
  .preload-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 2s infinite;
  }
  
  @keyframes loading {
    0% {
      background-position: 200% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }
  
  /* パフォーマンス向上のためのGPU加速 */
  .hero-section,
  .hero-slide,
  .card,
  .btn {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
  }
  
  /* コンテンツの事前読み込み状態 */
  section[data-preloaded="true"] {
    animation: fadeInUp 0.6s ease-out;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* 重要でないiframeの最適化 */
  iframe[loading="lazy"] {
    min-height: 200px;
    background: #f5f5f5;
  }
  
  /* スクロール中のアニメーション最適化 */
  .scrolling * {
    animation-play-state: paused !important;
    transition: none !important;
  }
}

/* ===========================================
   News Section & Grid
   =========================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 0;
  justify-items: center;
}

.news-grid-item {
  display: flex;
  justify-content: center;
  width: 100%;
}

.news-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  width: 100%;
  max-width: 380px;
}

.news-card {
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  height: 308px;
  width: 100%;
  position: relative;
}

.news-card-link:hover .news-card {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.news-card__image {
  width: 100%;
  height: 260px;
  overflow: hidden;
  position: relative;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.news-card-link:hover .news-card__image img {
  transform: scale(1.08);
}

.news-card__content {
  padding: 0.6rem;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  background: #fff;
}

.news-card__platform-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform var(--transition);
}

.news-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.1;
}

.news-card__description {
  font-size: 0.75rem;
  line-height: 1.2;
  margin: 0;
  opacity: 0.8;
}

/* Platform-specific styling */
.news-card--instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.news-card--instagram .news-card__content {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.news-card--instagram .news-card__platform-icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.news-card--instagram .news-card__description {
  opacity: 0.9;
}

.news-card--x {
  background: #000000;
}

.news-card--x .news-card__content {
  background: #000000;
  color: white;
}

.news-card--x .news-card__platform-icon {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.news-card--x .news-card__description {
  opacity: 0.8;
  color: #e1e8ed;
}

.news-card--blog {
  background: var(--color-primary);
}

.news-card--blog .news-card__content {
  background: var(--color-primary);
  color: white;
}

.news-card--blog .news-card__platform-icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.news-card--blog .news-card__description {
  opacity: 0.9;
}

/* Hover effects for platform icons */
.news-card-link:hover .news-card__platform-icon {
  transform: scale(1.1);
}



/* Mobile Carousel Styles */
.news-carousel--mobile {
  display: none;
  padding: 2rem 0;
  width: 100%;
  max-width: 100vw;
  margin: 0 auto;
  overflow: hidden;
}

.news-carousel--mobile .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  width: auto;
}

.news-carousel--mobile .swiper-wrapper {
  align-items: center;
}

.news-carousel--mobile .news-card {
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-carousel-pagination {
  margin-top: 1.5rem !important;
  position: static !important;
  text-align: center;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100% !important;
}

.news-carousel-pagination .swiper-pagination-bullet {
  background: var(--color-primary);
  opacity: 0.3;
  width: 12px;
  height: 12px;
  margin: 0 6px;
  transition: all 0.3s ease;
  border-radius: 50%;
}

.news-carousel-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  transform: scale(1.3);
  background: var(--color-orange);
}

.news-carousel-pagination .swiper-pagination-bullet:hover {
  opacity: 0.7;
  transform: scale(1.1);
}

/* Responsive Grid Layout */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    padding: 1.5rem 0;
  }
  
  .news-card {
    height: 278px;
  }
  
  .news-card__image {
    height: 230px;
  }
}

@media (max-width: 768px) {
  .news-grid--desktop {
    display: none;
  }
  
  .news-carousel--mobile {
    display: block;
  }
  
  .news-carousel--mobile .news-card {
    width: 90%;
    max-width: 90vw;
    height: 278px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
  }
  
  .news-carousel--mobile .news-card__image {
    height: 230px;
    width: 100%;
    overflow: hidden;
    position: relative;
  }
  
  .news-carousel--mobile .news-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .news-carousel--mobile .news-card__content {
    height: 48px;
    padding: 0.6rem;
    gap: 0.5rem;
    display: flex;
    align-items: center;
    position: relative;
  }
  
  .news-carousel--mobile .news-card__platform-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: transform var(--transition);
  }
  
  .news-carousel--mobile .news-card__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.1;
  }
  
  .news-carousel--mobile .news-card__description {
    font-size: 0.75rem;
    line-height: 1.2;
    margin: 0;
    opacity: 0.8;
  }
}

@media (max-width: 480px) {
  .news-carousel--mobile {
    max-width: 100vw;
    padding: 1.5rem 0;
  }
  
  .news-carousel--mobile .news-card {
    width: 90%;
    max-width: 90vw;
    height: 278px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
  }
  
  .news-carousel--mobile .news-card__image {
    height: 230px;
    width: 100%;
    overflow: hidden;
    position: relative;
  }
  
  .news-carousel--mobile .news-card__content {
    height: 48px;
    padding: 0.6rem;
    gap: 0.5rem;
    display: flex;
    align-items: center;
    position: relative;
  }
  
  .news-carousel--mobile .news-card__platform-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: transform var(--transition);
  }
  
  .news-carousel--mobile .news-card__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.1;
  }
  
  .news-carousel--mobile .news-card__description {
    font-size: 0.75rem;
    line-height: 1.2;
    margin: 0;
    opacity: 0.8;
  }
  
  .news-carousel-pagination {
    margin-top: 1rem !important;
  }
}



/* Contact Method Cards */
.contact-method-card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f3f4f6;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact-method-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.contact-method-card:hover .contact-method-icon {
  transform: scale(1.1);
}

/* Responsive adjustments for contact cards */
@media (max-width: 768px) {
  .contact-method-card {
    padding: 1.5rem;
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .contact-method-icon {
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .contact-method-card {
    padding: 1rem;
  }
}

/* ===========================================
   Footer Contact Styles
   =========================================== */
.footer-contact {
  flex: 1;
  max-width: 500px;
}

.contact-method-card--footer {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: white;
}

.contact-method-card--footer:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-method-icon--footer {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.contact-method-card--footer:hover .contact-method-icon--footer {
  background: rgba(255, 255, 255, 0.3);
}

.btn--footer-phone {
  background: var(--color-orange);
  color: white;
  border: 2px solid var(--color-orange);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: auto;
  transform: scale(1);
}

.btn--footer-phone:hover {
  background: transparent;
  color: var(--color-orange);
  border-color: var(--color-orange);
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.3);
}

/* Desktop Footer Layout */
@media (min-width: 1025px) {
  footer .flex {
    justify-content: center;
    align-items: stretch;
    max-width: 900px;
    margin: 0 auto;
  }
  
  footer .flex > section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  footer .flex > section:last-child {
    text-align: left;
  }
  
  .footer-contact {
    align-self: stretch;
  }
  
  .contact-method-card--footer {
    height: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    gap: 1.5rem;
  }
  
  .contact-method-card--footer > div:first-child {
    flex-shrink: 0;
  }
  
  .contact-method-card--footer > div:last-child {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .contact-method-card--footer h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    line-height: 1.2;
  }
  
  .contact-method-card--footer p {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
  }
  
  .btn--footer-phone {
    align-self: flex-start;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    min-width: auto;
    white-space: nowrap;
  }
}

/* Responsive Footer Layout */
@media (max-width: 1024px) {
  .footer-contact {
    max-width: 100%;
    display: flex;
    justify-content: center;
  }
  
  footer .flex {
    flex-direction: column;
    gap: 2rem;
    align-items: center;
  }
  
  .contact-method-card--footer {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .contact-method-icon--footer {
    margin: 0 auto;
  }
  
  footer .flex > section:last-child {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .btn--footer-phone {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
  }
  
  footer .gap-8 {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .contact-method-card--footer {
    padding: 1.5rem;
  }
  
  .btn--footer-phone {
    font-size: 1rem;
    padding: 0.875rem;
  }
}

/* ===========================================
   Contact Form Styles
   =========================================== */
.contact-form {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f3f4f6;
  transition: box-shadow var(--transition);
}

.contact-form:hover {
  box-shadow: var(--shadow-md);
}

.contact-form--centered {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  position: relative;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-size: 0.9rem;
}

.required {
  color: #ef4444;
  font-weight: 700;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #fff;
  color: var(--color-text);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 120, 134, 0.1);
}

.form-input:invalid:not(:focus):not(:placeholder-shown),
.form-textarea:invalid:not(:focus):not(:placeholder-shown),
.form-select:invalid:not(:focus) {
  border-color: #ef4444;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-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 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  appearance: none;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
  position: relative;
}

.form-checkbox {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: relative;
  top: 0.1rem;
  height: 20px;
  width: 20px;
  background-color: #fff;
  border: 2px solid #e5e7eb;
  border-radius: 4px;
  flex-shrink: 0;
  transition: all var(--transition);
}

.form-checkbox:checked ~ .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-checkbox:checked ~ .checkmark:after {
  display: block;
}

.form-checkbox-label:hover .checkmark {
  border-color: var(--color-primary);
}

/* Checkbox Group Styles */
.form-checkbox-group {
  border: none;
  padding: 0;
  margin: 0;
}

.form-checkbox-group .form-label {
  margin-bottom: 1rem;
}

.optional {
  color: var(--color-text-secondary);
  font-weight: 400;
  font-size: 0.85rem;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.checkbox-grid .form-checkbox-label {
  margin-bottom: 0;
  padding: 0.75rem;
  border: 1px solid #e5e7eb;
  border-radius: var(--border-radius);
  transition: all var(--transition);
  background: #fff;
}

.checkbox-grid .form-checkbox-label:hover {
  border-color: var(--color-primary);
  background: rgba(13, 120, 134, 0.02);
}

.checkbox-grid .form-checkbox:checked ~ .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-grid .form-checkbox-label:has(.form-checkbox:checked) {
  border-color: var(--color-primary);
  background: rgba(13, 120, 134, 0.05);
}

.privacy-link {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition);
}

.privacy-link:hover {
  color: var(--color-orange);
}

.error-message {
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  min-height: 1.2rem;
  display: block;
}

.form-actions {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.form-submit-btn {
  width: auto;
  min-width: 200px;
  max-width: 300px;
  position: relative;
  overflow: hidden;
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 auto;
  padding: 1rem 2.5rem;
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.submit-text,
.submit-loading {
  transition: opacity var(--transition);
}

.hidden {
  display: none !important;
}

/* Success Message */
.contact-success {
  background: #f0f9ff;
  border: 2px solid #22c55e;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 2rem;
}

.success-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: #22c55e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.success-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #22c55e;
  margin-bottom: 0.5rem;
}

.success-message {
  color: #059669;
  line-height: 1.5;
}

/* Form Validation States */
.form-group.has-error .form-input,
.form-group.has-error .form-textarea,
.form-group.has-error .form-select {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.has-success .form-input,
.form-group.has-success .form-textarea,
.form-group.has-success .form-select {
  border-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

/* Loading Animation */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Responsive Form Styles */
@media (max-width: 1024px) {
  .contact-form {
    padding: 1.5rem;
  }
  
  #contact .grid {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .contact-form {
    padding: 1.25rem;
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    padding: 0.625rem 0.875rem;
  }
  
  .form-submit-btn {
    min-width: 180px;
    max-width: 280px;
    padding: 1rem 2rem;
    font-size: 1rem;
    transform: scale(1);
  }
  
  .form-submit-btn:hover {
    transform: scale(1.05) translateY(-1px);
  }
  
  #contact .grid {
    gap: 1.5rem;
  }
  
  .contact-success {
    padding: 1.5rem;
    flex-direction: column;
    text-align: center;
  }
  
  .success-icon {
    margin: 0 auto;
  }
  
  .checkbox-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .checkbox-grid .form-checkbox-label {
    padding: 0.625rem;
  }
}

@media (max-width: 480px) {
  .contact-form {
    padding: 1rem;
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .form-label {
    font-size: 0.85rem;
  }
  
  .form-submit-btn {
    min-width: 160px;
    max-width: 250px;
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .contact-success {
    padding: 1rem;
  }
  
  .success-title {
    font-size: 1.1rem;
  }
}

/* ===========================================
   Floating CTA Buttons
   =========================================== */
.floating-cta {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.floating-cta__container {
  display: flex;
  gap: 1rem;
  pointer-events: auto;
}

.floating-cta__button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: white;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  min-width: 200px;
  text-align: center;
  line-height: 1.3;
}

.floating-cta__button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.floating-cta__button:hover::before {
  left: 100%;
}

.floating-cta__button--primary {
  background: linear-gradient(135deg, var(--color-orange) 0%, #ff9500 100%);
  color: white;
}

.floating-cta__button--primary:hover {
  background: linear-gradient(135deg, #ff9500 0%, var(--color-orange) 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 122, 0, 0.3);
  color: white !important;
}

.floating-cta__button--primary:visited {
  color: white;
}

.floating-cta__button--primary:active {
  color: white;
}

.floating-cta__button--secondary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0a6b75 100%);
  color: white;
}

.floating-cta__button--secondary:hover {
  background: linear-gradient(135deg, #0a6b75 0%, var(--color-primary) 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(13, 120, 134, 0.3);
  color: white !important;
}

.floating-cta__button--secondary:visited {
  color: white;
}

.floating-cta__button--secondary:active {
  color: white;
}

.floating-cta__button--primary:focus {
  color: white;
}

.floating-cta__button--secondary:focus {
  color: white;
}

.floating-cta__text {
  position: relative;
  z-index: 1;
  white-space: nowrap;
  font-size: inherit;
  color: inherit;
}

/* テキスト要素にも明示的に色を指定 */
.floating-cta__button--primary .floating-cta__text,
.floating-cta__button--primary:hover .floating-cta__text,
.floating-cta__button--primary:visited .floating-cta__text,
.floating-cta__button--primary:active .floating-cta__text,
.floating-cta__button--primary:focus .floating-cta__text {
  color: white !important;
}

.floating-cta__button--secondary .floating-cta__text,
.floating-cta__button--secondary:hover .floating-cta__text,
.floating-cta__button--secondary:visited .floating-cta__text,
.floating-cta__button--secondary:active .floating-cta__text,
.floating-cta__button--secondary:focus .floating-cta__text {
  color: white !important;
}

/* ホバー状態での色の強制指定 */
.floating-cta__button--primary:hover,
.floating-cta__button--primary:hover .floating-cta__text--desktop,
.floating-cta__button--primary:hover .floating-cta__text--mobile {
  color: white !important;
}

.floating-cta__button--secondary:hover,
.floating-cta__button--secondary:hover .floating-cta__text--desktop,
.floating-cta__button--secondary:hover .floating-cta__text--mobile {
  color: white !important;
}

/* リンクの基本設定を上書き */
a.floating-cta__button--primary,
a.floating-cta__button--primary:link,
a.floating-cta__button--primary:visited,
a.floating-cta__button--primary:hover,
a.floating-cta__button--primary:active,
a.floating-cta__button--primary:focus {
  color: white !important;
  text-decoration: none !important;
}

a.floating-cta__button--secondary,
a.floating-cta__button--secondary:link,
a.floating-cta__button--secondary:visited,
a.floating-cta__button--secondary:hover,
a.floating-cta__button--secondary:active,
a.floating-cta__button--secondary:focus {
  color: white !important;
  text-decoration: none !important;
}

/* ホバー時の色をより強力に指定 */
a.floating-cta__button--primary:hover * {
  color: white !important;
}

a.floating-cta__button--secondary:hover * {
  color: white !important;
}

/* デスクトップ版でのテキスト表示制御 */
.floating-cta__text--desktop {
  display: inline;
}

.floating-cta__text--mobile {
  display: none;
}

/* Desktop positioning - right bottom */
@media (min-width: 769px) {
  .floating-cta {
    bottom: 2rem;
    right: 2rem;
  }
  
  .floating-cta__container {
    flex-direction: column;
    align-items: flex-end;
  }
  
  .floating-cta__button {
    min-width: 280px;
    padding: 1.2rem 2rem;
    font-size: 1rem;
  }
}

/* Mobile positioning - center bottom */
@media (max-width: 768px) {
  .floating-cta {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    width: auto;
    max-width: none;
    z-index: 1000;
  }
  
  .floating-cta__container {
    flex-direction: row;
    width: 100%;
    gap: 0.5rem;
    max-width: 100%;
    justify-content: space-between;
  }
  
  .floating-cta__button {
    flex: 1;
    min-width: 0;
    max-width: none;
    padding: 0.875rem 0.75rem;
    font-size: 0.8rem;
    white-space: nowrap;
    line-height: 1.3;
    box-sizing: border-box;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .floating-cta__text {
    white-space: nowrap;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* デスクトップ版テキストをモバイルで非表示 */
  .floating-cta__text--desktop {
    display: none;
  }
  
  /* モバイル版テキストを表示 */
  .floating-cta__text--mobile {
    display: inline;
  }
}

/* Small mobile adjustments */
@media (max-width: 480px) {
  .floating-cta {
    bottom: 0.75rem;
    left: 0.5rem;
    right: 0.5rem;
  }
  
  .floating-cta__container {
    gap: 0.375rem;
  }
  
  .floating-cta__button {
    padding: 0.75rem 0.5rem;
    font-size: 0.75rem;
    min-height: 2.75rem;
  }
}

/* Very small screens adjustments */
@media (max-width: 320px) {
  .floating-cta {
    left: 0.25rem;
    right: 0.25rem;
    bottom: 0.5rem;
  }
  
  .floating-cta__container {
    gap: 0.25rem;
  }
  
  .floating-cta__button {
    padding: 0.625rem 0.375rem;
    font-size: 0.7rem;
    min-height: 2.5rem;
  }
}

/* Animation for smooth appearance */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.floating-cta {
  animation: fadeInUp 0.6s ease-out 1s both;
}

/* Override animation transform for mobile to prevent positioning conflicts */
@media (max-width: 768px) {
  .floating-cta {
    animation: fadeInUpMobile 0.6s ease-out 1s both;
  }
  
  @keyframes fadeInUpMobile {
    from {
      opacity: 0;
      bottom: 0.5rem;
    }
    to {
      opacity: 1;
      bottom: 1rem;
    }
  }
  
  /* モバイル版ではY軸の移動量を調整 */
  .floating-cta[style*="translateY(20px)"] {
    transform: translateY(10px) !important;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .floating-cta {
    animation: none;
  }
  
  .floating-cta__button {
    transition: none;
  }
  
  .floating-cta__button::before {
    transition: none;
  }
}

/* Focus states for accessibility */
.floating-cta__button:focus {
  outline: 3px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

/* Ensure buttons don't interfere with other content */
.floating-cta__button {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}