/* 日本語版ホームページスタイル */

/* ベーススタイルの調整 */
body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  line-height: 1.7;
}

/* ヘッダー調整 */
.logo {
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent);
}

.nav-menu a {
  font-weight: 500;
}

/* ヒーローセクション */
.hero-jp {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
  /* white base */
  color: var(--primary);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  /* blue */
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

/* Green shape */
.shape-green {
  background: var(--accent-green);
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: -150px;
  right: -100px;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  bottom: 100px;
  left: -50px;
  animation-delay: 2s;
  /* make this one green */
  background: var(--accent-green);
}

.shape-3 {
  width: 150px;
  height: 150px;
  top: 50%;
  right: 20%;
  animation-delay: 4s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-30px) rotate(180deg);
  }
}

/* Add green accent variable */
:root {
  --accent-green: #2ecc71;
  /* vibrant green */
}

.hero-content-jp {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 25px;
  margin-bottom: var(--space-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 1px;
}

.hero-title-jp {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: var(--space-lg);
  letter-spacing: -1px;
}

.title-line {
  display: block;
}

.accent-line {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.accent-line::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--accent);
  opacity: 0.3;
  z-index: -1;
  border-radius: 3px;
}

.hero-subtitle-jp {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.7);
}

.accent-text {
  color: var(--accent);
  font-weight: 700;
}

.hero-description {
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  color: var(--neutral-dark);
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.4);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons-jp {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.btn-large {
  padding: 16px 32px;
  font-size: var(--text-lg);
  font-weight: 600;
}

.btn-large svg {
  transition: transform 0.3s ease;
}

.btn-large:hover svg {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
}

.scroll-indicator-jp {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  z-index: 2;
}

.scroll-text {
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
  font-weight: 500;
  letter-spacing: 1px;
}

.scroll-arrow {
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

/* セクションヘッダー */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title-jp {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.section-title-main {
  color: var(--primary);
  display: block;
}

.section-title-accent {
  color: var(--accent);
  display: block;
}

.section-description {
  font-size: var(--text-lg);
  color: var(--neutral);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* 作品プレビュー */
.works-preview-jp {
  background: var(--background);
}

.works-grid-jp {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.work-card-jp {
  background: var(--background);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.work-card-jp:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.work-image-container {
  position: relative;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.work-image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.work-card-jp:hover .work-image-container img {
  transform: scale(1.05);
}

.work-overlay-jp {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-card-jp:hover .work-overlay-jp {
  opacity: 1;
}

.work-category-tag {
  align-self: flex-start;
  background: var(--accent);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.work-link {
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 25px;
  transition: all 0.3s ease;
}

.work-link:hover {
  background: var(--accent);
  transform: translateX(4px);
}

.work-info-jp {
  padding: var(--space-lg);
}

.work-info-jp h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}

.work-info-jp p {
  color: var(--neutral);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.work-tech-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.work-tech-tags span {
  background: var(--background-alt);
  color: var(--neutral-dark);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 500;
}

/* スキルセクション */
.skills-jp {
  background: var(--background-alt);
}

.skills-grid-jp {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.skill-category-jp {
  text-align: center;
  padding: var(--space-xl);
  background: var(--background);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.skill-category-jp:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-icon-wrapper {
  position: relative;
  margin-bottom: var(--space-lg);
}

.skill-icon-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--accent);
  opacity: 0.1;
  border-radius: 50%;
}

.skill-icon {
  font-size: 2.5rem;
  position: relative;
  z-index: 1;
}

.skill-category-jp h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}

.skill-category-jp p {
  color: var(--neutral);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.skill-list {
  list-style: none;
  text-align: left;
}

.skill-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--background-alt);
  font-weight: 500;
  color: var(--neutral-dark);
}

.skill-list li:last-child {
  border-bottom: none;
}

/* スキル詳細 */
.skills-details-jp {
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.skill-detail-item {
  margin-bottom: var(--space-lg);
}

.skill-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.skill-detail-label {
  font-weight: 600;
  color: var(--primary);
}

.skill-detail-percent {
  font-weight: 700;
  color: var(--accent);
}

.skill-detail-bar {
  height: 8px;
  background: var(--background-alt);
  border-radius: 4px;
  overflow: hidden;
}

.skill-detail-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  width: 0%;
  transition: width 1.5s ease-in-out;
}

/* 認定資格 */
.certifications-jp {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.certifications-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--primary);
}

.certifications-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.certification-badge-jp {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--background);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  min-width: 140px;
}

.certification-badge-jp:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.certification-icon {
  font-size: 2rem;
}

.certification-badge-jp span {
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  line-height: 1.4;
  font-size: var(--text-sm);
}

/* 特徴セクション */
.features-jp {
  background: var(--background);
}

.features-grid-jp {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.feature-item-jp {
  text-align: center;
  padding: var(--space-xl);
  background: var(--background);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-item-jp:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.feature-item-jp h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--primary);
}

.feature-item-jp p {
  color: var(--neutral);
  line-height: 1.7;
}

/* CTAセクション */
.cta-jp {
  background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%);
  color: white;
  text-align: center;
}

.cta-content-jp {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title-jp {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.3;
}

.cta-description-jp {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xl);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.cta-buttons-jp {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* セクションCTA */
.section-cta {
  text-align: center;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  font-weight: 600;
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.btn-outline svg {
  transition: transform 0.3s ease;
}

.btn-outline:hover svg {
  transform: translateX(4px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .hero-buttons-jp {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons-jp .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .works-grid-jp {
    grid-template-columns: 1fr;
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }

  .skills-grid-jp {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
  }

  .skill-category-jp {
    padding: var(--space-lg);
  }

  .features-grid-jp {
    grid-template-columns: 1fr;
  }

  .skill-category-jp p {
    margin-bottom: var(--space-md);
  }

  .skill-list li {
    padding: var(--space-xs) 0;
  }

  .cta-buttons-jp {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons-jp .btn {
    width: 100%;
    max-width: 300px;
  }

  .skill-category-description {
    margin-bottom: var(--space-lg);
  }

  .skill-header {
    flex-direction: row;
    /* Keep horizontal if possible, or reduce gap if stacked */
    gap: var(--space-xs);
  }

  .skill-name,
  .skill-percent {
    font-size: var(--text-base);
  }

  .certifications-grid {
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero-title-jp {
    font-size: 2rem;
  }

  .hero-subtitle-jp {
    font-size: 1.125rem;
  }

  .section-title-jp {
    font-size: 1.75rem;
  }

  .work-card-jp,
  .skill-category-jp,
  .feature-item-jp {
    padding: var(--space-sm);
  }

  .certification-badge-jp {
    min-width: 120px;
    padding: var(--space-md);
  }
}