/* Minimal Monochrome Design - Apple/Muji inspired */
:root {
  --black: #000000;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #404040;
  --gray-600: #525252;
  --gray-500: #737373;
  --gray-400: #a3a3a3;
  --gray-300: #d4d4d4;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  --font-size-6xl: 60px;
  
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-100) 100%);
  position: relative;
  overflow: hidden;
  transform: none !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
}

/* Future background image/video support */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.1;
  z-index: 0;
  /* Uncomment and add your background image/video here */
  /* background-image: url('path/to/your/background.jpg'); */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="0.5" fill="%23000000" opacity="0.02"/><circle cx="75" cy="75" r="0.5" fill="%23000000" opacity="0.02"/><circle cx="50" cy="10" r="0.3" fill="%23000000" opacity="0.02"/><circle cx="10" cy="60" r="0.3" fill="%23000000" opacity="0.02"/><circle cx="90" cy="40" r="0.3" fill="%23000000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 var(--spacing-md);
  width: 100%;
}

.logo-container {
  margin-bottom: var(--spacing-2xl);
  animation: logoFadeIn 1.5s ease-out;
}

.logo {
  width: 200px;
  height: 200px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: all 0.3s ease;
}

.logo:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  animation: subtitleFadeIn 2s ease-out 0.6s both;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* Hero Navigation Menu */
.hero-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  animation: subtitleFadeIn 2s ease-out 0.8s both;
  flex-wrap: nowrap;
  max-width: 100%;
}

.hero-nav-link {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--gray-700);
  text-decoration: none;
  transition: all 0.3s ease;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}

.hero-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--black);
  transition: width 0.3s ease;
}

.hero-nav-link:hover {
  color: var(--black);
}

.hero-nav-link:hover::after {
  width: 100%;
}

.hero-nav-separator {
  color: var(--gray-400);
  font-weight: 300;
  user-select: none;
  flex-shrink: 0;
  padding: 0 var(--spacing-xs);
  font-size: var(--font-size-sm);
}

/* Tablet responsive */
@media (max-width: 1024px) {
  .hero-nav-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-xs);
  }
  
  .hero-nav {
    gap: var(--spacing-xs);
    row-gap: var(--spacing-xs);
  }
}

/* Animations - Optimized for performance */
@keyframes logoFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes subtitleFadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Performance optimizations */
* {
  will-change: auto;
}

.hero-content,
.service-item,
.content-item,
.testimonial,
.article-card {
  will-change: transform, opacity;
}

/* Sections */
.services,
.company-info,
.contact {
  padding: var(--spacing-3xl) 0;
  position: relative;
  z-index: 1;
}

.services {
  background-color: var(--white);
}

.company-info {
  background-color: var(--gray-100);
}

.contact {
  background-color: var(--white);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  color: var(--black);
  letter-spacing: -0.01em;
}

/* Service Grid */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.service-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
}

.service-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.service-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-md);
  display: block;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.service-item:hover .service-icon {
  filter: grayscale(0%);
}

.service-item h3 {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--black);
}

.service-item p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin: 0 0 var(--spacing-xl) 0;
}

/* Testimonials */
.testimonials {
  margin-top: var(--spacing-xl);
  text-align: left;
}

.testimonials h4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--black);
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-md);
}

@media (max-width: 768px) {
  /* Disable animations on mobile for better performance, except for hero logo */
  *:not(.logo-container):not(.logo) {
    animation-duration: 0s !important;
    animation-delay: 0s !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .testimonials .testimonial {
    flex-direction: column !important;
    text-align: center !important;
    align-items: center !important;
    padding: var(--spacing-sm);
  }
  
  .testimonials .testimonial .testimonial-photo {
    margin-bottom: var(--spacing-sm) !important;
    display: flex !important;
    justify-content: center !important;
    width: 100% !important;
  }
  
  .testimonials .testimonial .photo-placeholder {
    width: 100px !important;
    height: 75px !important;
    margin: 0 auto !important;
  }
  
  .team-photo {
    max-width: 100%;
    margin: 0 var(--spacing-md) var(--spacing-3xl) var(--spacing-md);
  }
  
  /* Improve form layout on mobile */
  .contact-form {
    padding: 0 var(--spacing-sm);
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  /* Better spacing for mobile */
  .service-item {
    padding: var(--spacing-lg);
  }
  
  .content-item {
    padding: var(--spacing-md);
  }
}

.testimonial {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--gray-100);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.testimonial:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.testimonial-photo {
  flex-shrink: 0;
}

.photo-placeholder {
  width: 120px;
  height: 90px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 2px solid var(--gray-300);
  transition: all 0.3s ease;
}

.testimonial:hover .photo-placeholder {
  border-color: var(--gray-400);
  transform: scale(1.05);
}

.testimonial-content {
  flex: 1;
}

.testimonial .testimonial-text {
  font-size: 14px !important;
  line-height: 1.6;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.testimonial-author {
  font-size: 10px;
  color: var(--gray-500);
  font-weight: 500;
}

/* Content Creation Details */
.content-creation .content-details {
  margin-top: var(--spacing-lg) !important;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md) !important;
}

.content-creation .content-item {
  text-align: center;
  padding: var(--spacing-md) !important;
  background: var(--gray-100);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.content-creation .content-item:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

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

.content-creation .content-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
}

.content-creation .content-item p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: 1.5;
}

/* Coach Profile */
.coach-profile {
  margin-top: var(--spacing-xl);
  text-align: left;
}

.coach-profile h4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--black);
  text-align: center;
}

.profile-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.profile-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
  transform: translateY(-2px);
}

.profile-content {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
  max-width: 100%;
}

.profile-image {
  flex-shrink: 0;
  width: 300px;
}

.coach-photo {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  object-fit: cover;
  background: var(--white);
  border: 1px solid var(--gray-300);
  padding: var(--spacing-xs);
}

.profile-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.profile-role {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
}

.profile-name {
  margin-bottom: var(--spacing-lg);
}

.name-jp {
  font-size: var(--font-size-3xl);
  font-weight: 500;
  color: var(--black);
  display: block;
  margin-bottom: var(--spacing-xs);
  line-height: 1.2;
}

.name-en {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  font-weight: 400;
  display: block;
}

.profile-bio {
  margin-top: 0;
}

.profile-bio p {
  font-size: var(--font-size-base);
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.profile-bio p:last-child {
  margin-bottom: 0;
}

/* Note Articles */
.note-articles {
  margin-top: var(--spacing-xl);
  text-align: left;
}

.note-articles h4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--black);
  text-align: center;
}


.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--spacing-md);
  background: var(--gray-100);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.article-card:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
  border-color: var(--gray-300);
  text-decoration: none;
  color: inherit;
}

.article-image {
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.image-placeholder {
  width: 60px;
  height: 60px;
  background: var(--gray-300);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--gray-600);
  margin: 0 auto;
}

.article-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.article-content h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--black);
  line-height: 1.4;
  flex-shrink: 0;
  min-height: calc(1.4em * 2);
}

.article-content p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 0;
  flex: 1;
  min-height: 0;
}

.article-meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  font-weight: 500;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-shrink: 0;
}

.article-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--black);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all 0.3s ease;
  text-align: center;
  flex-shrink: 0;
}

.article-button:hover {
  background-color: var(--gray-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--white);
}

.button-icon {
  font-size: var(--font-size-base);
  transition: transform 0.3s ease;
}

.article-button:hover .button-icon {
  transform: translateX(2px);
}

/* Content Details */
.content-details {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-3xl);
  border-top: 1px solid var(--gray-200);
}

.content-details h3 {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--black);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.content-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--gray-100);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.content-item:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.content-item h4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--black);
}

.content-item p {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  margin: 0;
}

/* Team Section */
.team-section {
  margin-top: var(--spacing-3xl);
  text-align: center;
}

.team-photo {
  max-width: 400px;
  margin: 0 auto var(--spacing-3xl) auto;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.team-photo-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.team-photo-img:hover {
  transform: scale(1.02);
}

.team-section h3 {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  margin-bottom: var(--spacing-xl);
  color: var(--black);
}

.team-photo-placeholder {
  width: 100%;
  max-width: 600px;
  height: 300px;
  background: var(--gray-100);
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: var(--gray-500);
}

.team-photo-placeholder p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.team-photo-placeholder small {
  font-size: var(--font-size-sm);
}

/* Company Details */
.company-details {
  max-width: 600px;
  margin: 0 auto;
}

.company-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.company-item dt {
  font-weight: 500;
  color: var(--gray-700);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.company-item dd {
  font-weight: 400;
  color: var(--black);
  text-align: right;
  margin: 0;
}

/* Contact Form */
.contact-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-3xl);
}

/* Error Messages */
.error-message {
  display: none;
  color: #e53e3e;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  font-weight: 500;
}

/* Removed invalid/valid border colors for cleaner design */

.contact-form {
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 4px;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group label.required::after {
  content: " *";
  color: #e53e3e;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background-color: var(--white);
  color: var(--black);
  transition: all 0.3s ease;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--black);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.submit-btn:hover {
  background-color: var(--gray-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-btn:active {
  transform: translateY(0);
}

/* Contact Info */
.contact-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-3xl);
  border-top: 1px solid var(--gray-200);
}

.contact-item {
  text-align: center;
}

.contact-item strong {
  display: block;
  font-weight: 500;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item span {
  color: var(--gray-600);
  font-size: var(--font-size-base);
}

/* Fixed CTA Button */
.cta-button {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
  background-color: var(--black);
  color: var(--white);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: var(--font-family);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 120px;
  justify-content: center;
  cursor: pointer;
}

.cta-button:hover {
  background-color: var(--gray-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.cta-button:active {
  transform: translateY(0);
}

.cta-icon {
  font-size: var(--font-size-base);
  transition: transform 0.3s ease;
}

.cta-button:hover .cta-icon {
  transform: translateX(2px);
}

/* CTA Button Responsive */
@media (max-width: 768px) {
  .cta-button {
    top: auto;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    min-width: 140px;
  }
  
  .cta-text {
    display: inline;
  }
  
  .cta-icon {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .cta-button {
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 120px;
    height: auto;
    border-radius: var(--border-radius);
  }
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.footer p {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  margin: 0;
}

.footer-links {
  margin-top: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-nav {
    gap: 8px;
    flex-wrap: wrap;
    padding: 0 var(--spacing-sm);
    margin-top: var(--spacing-lg);
    justify-content: center;
    row-gap: 6px;
  }
  
  .hero-nav-link {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) 6px;
    white-space: nowrap;
  }
  
  .hero-nav-separator {
    padding: 0 4px;
    font-size: 11px;
  }
  
  .hero-content {
    padding: 0 var(--spacing-sm);
  }
  
  .logo {
    width: 150px;
    height: 150px;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .service-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .content-creation .content-details {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .company-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .company-item dd {
    text-align: left;
  }
  
  .contact-info {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .services {
    padding: var(--spacing-2xl) 0;
  }
  
  .company-info,
  .contact {
    padding: var(--spacing-2xl) 0;
  }
  
  .profile-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .profile-image {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .name-jp {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
  }
  
  .hero-nav {
    gap: 6px;
    flex-wrap: wrap;
    padding: 0 var(--spacing-xs);
    margin-top: var(--spacing-md);
    justify-content: center;
    row-gap: 4px;
  }
  
  .hero-nav-link {
    font-size: 11px;
    padding: 6px 4px;
    white-space: nowrap;
    letter-spacing: 0.01em;
  }
  
  .hero-nav-separator {
    padding: 0 3px;
    font-size: 10px;
  }
  
  .hero-content {
    padding: 0 var(--spacing-xs);
  }
  
  .logo-container {
    margin-bottom: var(--spacing-xl);
  }
  
  .logo {
    width: 120px;
    height: 120px;
  }
  
  .service-item,
  .content-item {
    padding: var(--spacing-md);
  }
  
  .profile-card {
    padding: var(--spacing-md);
  }
  
  .profile-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .profile-image {
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
  }
  
  .name-jp {
    font-size: var(--font-size-xl);
  }
  
  .name-en {
    font-size: var(--font-size-sm);
  }
  
  .profile-bio p {
    font-size: var(--font-size-sm);
  }
}