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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
}

/* Color Variables */
:root {
  --primary-color: #9966cc; /* アメジスト色 */
  --secondary-color: #b19cd9; /* ライトアメジスト */
  --accent-color: #7b68ee; /* アクセント色 */
  --gradient-1: linear-gradient(135deg, #9966cc, #b19cd9);
  --gradient-2: linear-gradient(135deg, #b19cd9, #e6e6fa);
  --gradient-3: linear-gradient(135deg, #7b68ee, #9966cc);
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --gray: #6c757d;
  --dark-gray: #343a40;
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Navigation */
.navbar {
  background: var(--gradient-1);
  padding: 0.5rem 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(153, 102, 204, 0.2);
}

.nav-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--white);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #e6e6fa;
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: #e6e6fa;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--gradient-2);
  padding: 100px 40px 50px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* Three.js Container */
#threejs-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  border-radius: 0;
  overflow: hidden;
  background: #000033; /* フォールバック背景色 */
}

#threejs-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* Hero Overlay and Content */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 10;
  padding-right: 3rem;
}

.hero-content {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem;
  max-width: 600px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(153, 102, 204, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  text-shadow: 0 0.5px 1px rgba(255, 255, 255, 0.3);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--dark-gray);
  margin-bottom: 2rem;
  line-height: 1.6;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.hero-controls {
  margin-bottom: 2.5rem;
  text-align: left;
}

.hero-controls h3 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
  text-shadow: 0 0.5px 1px rgba(255, 255, 255, 0.5);
  font-weight: 700;
}

.controls-list {
  list-style: none;
  padding: 0;
}

.controls-list li {
  padding: 0.5rem 0;
  font-size: 1rem;
  color: var(--dark-gray);
  border-bottom: 1px solid rgba(153, 102, 204, 0.1);
  text-shadow: 0.5px 1px rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

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

.controls-list strong {
  color: var(--primary-color);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta-btn {
  padding: 15px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  background: var(--gradient-1);
  color: var(--white);
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(153, 102, 204, 0.3);
  border: none;
  cursor: pointer;
}

.hero-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(153, 102, 204, 0.4);
  background: var(--gradient-3);
}

.hero-model-btn {
  padding: 15px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--primary-color);
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(153, 102, 204, 0.2);
  border: 2px solid var(--primary-color);
  cursor: pointer;
}

.hero-model-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(153, 102, 204, 0.3);
  background: var(--primary-color);
  color: var(--white);
}

/* Section Styles */
section {
  padding: 300px 0;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hero section (Top) keeps original padding */
.hero {
  padding: 100px 40px 50px;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: var(--gradient-1);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(153, 102, 204, 0.3);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

.profile-placeholder {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 6rem;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.3);
}

/* Scroll Arrow */
.scroll-arrow {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.arrow-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(153, 102, 204, 0.8);
  color: var(--white);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(153, 102, 204, 0.3);
  animation: bounce 2s infinite;
  backdrop-filter: blur(10px);
}

.arrow-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(153, 102, 204, 0.4);
  background: rgba(153, 102, 204, 1);
}

.arrow-btn.back-to-top {
  background: var(--gradient-3);
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Profile Section */
.profile {
  background: var(--light-gray);
}

.profile .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.profile-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.profile-image {
  display: flex;
  justify-content: flex-end;
  padding-right: 2rem;
}

.profile-image .profile-placeholder {
  width: 300px;
  height: 300px;
  font-size: 6rem;
}

.profile-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.3);
  border: 4px solid var(--white);
}

.profile-info h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.profile-english {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 2rem;
}

.profile-details {
  margin-bottom: 1rem;
}

.profile-details p {
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-section {
  margin: 1rem 0 1rem 0;
}

.teams-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  padding: 10px 20px;
}

.teams-btn i {
  font-size: 1.1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--text-color);
  transition: transform 0.3s ease, color 0.3s ease;
  padding: 0.5rem;
}

.social-link i {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  transition: transform 0.3s ease, background 0.3s ease;
}

.social-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-color);
  text-align: center;
  margin-top: 0.2rem;
}

.social-link:hover {
  transform: scale(1.05);
  color: var(--primary-color);
}

.social-link:hover i {
  transform: scale(1.1);
  background: var(--gradient-2);
}

/* About Section */
.about .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.about-intro {
  text-align: left;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 800px;
}

.about-intro p {
  margin-bottom: 1.5rem;
}

.about-layout {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin-top: 2rem;
}

.about-text {
  flex: 1;
  min-width: 300px;
  margin-top: -0rem;
}

.about-text .about-intro {
  text-align: left;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: none;
}

.about-text .about-intro p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--dark-gray);
}

.interests-section {
  margin: 2rem 0;
}

.interests-section h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.interests-layout {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
  margin-top: 2rem;
}

.interests-text {
  flex: 1;
  min-width: 300px;
}

.interests-text p {
  line-height: 1.6;
  color: var(--dark-gray);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.interests-carousel {
  position: relative;
  width: 550px;
  flex-shrink: 0;
}

.carousel-container {
  width: 100%;
  overflow: hidden;
  border-radius: 15px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.interest-card {
  min-width: 550px;
  width: 550px;
  background: var(--white);
  border: 2px solid var(--primary-color);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.2);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
  flex-shrink: 0;
}

.interest-card:hover {
  box-shadow: 0 15px 35px rgba(153, 102, 204, 0.25);
}

.interest-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

.interest-content {
  padding: 1.5rem;
  text-align: left;
}

.interest-content h4 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.interest-content p {
  line-height: 1.6;
  color: var(--dark-gray);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel-btn {
  background: var(--gradient-1);
  border: none;
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.carousel-btn:hover {
  background: var(--gradient-3);
  transform: scale(1.1);
}

.carousel-btn:disabled {
  background: var(--gray);
  cursor: not-allowed;
  transform: none;
}

.note-section {
  background: var(--gradient-2);
  padding: 1.2rem 2rem;
  border-radius: 15px;
  margin-top: 2rem;
  text-align: center;
}

.note-section p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.note-section .btn {
  padding: 12px 90px;
  font-size: 1.1rem;
}

/* Belief Section */
.belief {
  background: var(--light-gray);
}

.belief .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.belief-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
  min-height: 450px;
  max-width: 1200px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(153, 102, 204, 0.2);
  overflow: hidden;
}

/* 左側：テキストセクション */
.belief-text-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  background: var(--white);
  position: relative;
}

/* 右側の区切り線 */
.belief-text-section::after {
  content: "";
  position: absolute;
  right: 0;
  top: 10%;
  bottom: 10%;
  width: 3px;
  background: var(--gradient-1);
  border-radius: 2px;
}

/* 右側：画像セクション */
.belief-image-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  background: var(--light-gray);
  position: relative;
}

.belief-image-container {
  position: relative;
  width: 100%;
  height: calc(100% - 40px);
  border-radius: 0;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.belief-image-container:hover {
  transform: scale(1.02);
}

.belief-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.image-caption {
  padding: 10px 20px;
  background: var(--light-gray);
  font-size: 0.8rem;
  color: var(--gray);
  text-align: center;
  font-style: italic;
}

.belief-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  padding: 3rem 2rem 2rem;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.belief-image-container:hover .belief-image-overlay {
  opacity: 1;
}

.belief-note-btn {
  background: var(--gradient-1);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(153, 102, 204, 0.3);
}

.belief-note-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(153, 102, 204, 0.4);
  background: var(--gradient-3);
}

.belief-item {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid rgba(153, 102, 204, 0.1);
}

.belief-item:last-child {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.belief-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.belief-item p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
  padding: 0.8rem 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(153, 102, 204, 0.1),
    rgba(177, 156, 217, 0.1)
  );
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(153, 102, 204, 0.1);
}

/* Works Section */
.works .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.work-item {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin-bottom: 25rem;
  padding: 4rem 0;
  flex-direction: row;
}

.work-item:last-child {
  margin-bottom: 0;
}

.work-item-reverse {
  flex-direction: row-reverse !important;
}

.work-item-reverse .work-media {
  max-width: 800px;
  min-width: 700px;
}

.work-item-reverse .work-info {
  padding: 2rem;
  min-width: 450px;
}

/* 3作品目専用のスタイル */
.work-item-third {
  justify-content: center;
  margin-left: 8rem;
  gap: 5rem;
}

.work-item-third .work-media {
  max-width: 700px;
  min-width: 600px;
}

.work-item-third .work-media video {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 500px;
}

.work-item-third .work-video-player {
  height: auto;
  max-height: 600px;
  object-fit: contain;
  border-radius: 15px;
}

.work-item-third .work-info {
  padding: 2rem;
  margin-right: 8rem;
  margin-left: -15rem;
}

.work-media {
  flex: 1;
  max-width: 700px;
  min-width: 600px;
}

.work-media img,
.work-media video {
  width: auto;
  height: auto;
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.2);
  display: block;
}

.work-video-player {
  width: auto;
  height: auto;
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.2);
  display: block;
  outline: none;
}

.work-video-player:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.work-photo {
  width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.2);
}

.work-info {
  flex: 1;
  padding: 2rem 2rem 2rem 1rem;
  min-width: 400px;
}

.work-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  line-height: 1.3;
}

.work-info p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--dark-gray);
}

.youtube-section {
  background: var(--gradient-2);
  padding: 2rem;
  border-radius: 15px;
  margin-top: -20rem;
  text-align: center;
}

.youtube-section p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--dark-gray);
}

.youtube-section .btn {
  padding: 12px 40px;
  font-size: 1.1rem;
}

/* Career Section */
.career {
  background: var(--light-gray);
}

.career .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.career-content {
  max-width: 800px;
  margin: 0 auto;
}

.career-entry {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid #e0e0e0;
  position: relative;
}

.career-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

/* 組織セクション全体の縦線は削除 */

.career-header {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.company-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-right: 1.5rem;
}

.company-name {
  font-size: 1.4rem;
  color: var(--primary-color);
  font-weight: 600;
}

.career-item {
  margin-bottom: 3rem;
  padding-left: 125px; /* アイコン幅 + マージン + ドット幅 */
  position: relative;
  margin-left: 0; /* マージンをリセット */
  z-index: 2;
}

/* 各経歴項目の「・」 */
.career-item::before {
  content: "●";
  position: absolute;
  left: 50px; /* アイコンの中央位置（100px / 2）に配置 */
  top: 0rem;
  color: var(--primary-color);
  font-size: 0.8rem;
  z-index: 3;
  background: var(--light-gray); /* 背景色を設定 */
  padding: 3px;
  border-radius: 50%;
}

/* 同一組織内の経歴項目間を結ぶ線のみ */
.career-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 55px; /* ドットの中央 */
  top: 0.5rem; /* ドットの下から開始 */
  bottom: -2.7rem; /* 次のcareer-itemの上まで */
  width: 3px;
  background: var(--primary-color);
  opacity: 0.8;
  z-index: 1;
}

.career-position {
  font-size: 1.1rem;
  color: var(--dark-gray);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.career-period {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.career-description {
  color: var(--dark-gray);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Skills Section */
.skills .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stacks-section h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 4rem;
}

.skill-category {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(153, 102, 204, 0.1);
}

.skill-category h3 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
  width: 100%;
}

/* すべてのスキルカテゴリで統一した5列レイアウトを適用 */
.skill-category .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

/* アイテム数が5個未満の場合でも、パネルサイズは5列レイアウトに統一 */
.skill-category:nth-child(1) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-category:nth-child(2) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-category:nth-child(3) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-category:nth-child(4) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-category:nth-child(5) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-category:nth-child(6) .skill-items {
  grid-template-columns: repeat(5, 1fr);
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem;
  background: var(--light-gray);
  border-radius: 10px;
  transition: transform 0.3s ease;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  flex: 1;
}

.skill-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(153, 102, 204, 0.2);
}

.skill-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}

.skill-content {
  flex: 1;
  min-width: 0;
}

.skill-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: -0.2rem;
  margin-left: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.skill-score {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: relative;
}

.skill-score-value {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: -0.3rem;
}

.skill-progress-container {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  position: relative;
}

.skill-score-label {
  font-size: 0.6rem;
  color: #888;
  min-width: 8px;
  margin-right: 2px;
}

.skill-progress {
  flex: 1;
  height: 6px;
  background: #e0e0e0;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.skill-progress-bar {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 3px;
  transition: width 0.8s ease;
}

.skill-score-max {
  font-size: 0.6rem;
  color: #888;
  min-width: 18px;
  text-align: right;
}

/* 既存のskill-tagsとskill-tagスタイルは削除 */

.certifications {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(153, 102, 204, 0.1);
  margin-top: 10rem;
}

.certifications h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.cert-categories {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.cert-category-group {
  flex: 1;
  min-width: 220px;
  max-width: 220px;
  height: fit-content;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem;
  background: var(--white);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  box-shadow: 0 2px 10px rgba(153, 102, 204, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 80px;
  min-height: 60px;
  max-height: 60px;
}

.cert-item:last-child {
  margin-bottom: 0;
}

.cert-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(153, 102, 204, 0.2);
}

.cert-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.cert-company-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
}

.cert-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cert-name {
  font-size: clamp(0.65rem, 1.8vw, 0.6rem);
  font-weight: 600;
  color: var(--dark-gray);
  line-height: 1.2;
  white-space: normal;
  max-width: 100%;
  margin-top: 0.3rem;
}

.cert-date {
  font-size: 0.8rem;
  color: var(--gray);
  white-space: nowrap;
}

/* Awards Section */
.awards {
  margin-top: 10rem;
}

.awards h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.award-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.award-item {
  display: flex;
  align-items: center;
  gap: 1em;
  padding: 0.6em;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(153, 102, 204, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(153, 102, 204, 0.2);
}

.award-icon {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 8px;
  flex-shrink: 0;
  margin-left: 0.5rem;
  margin-right: 0.25rem;
}

.award-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.award-main {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.award-event {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-gray);
  line-height: 1.2;
  min-width: 220px;
}

.award-name {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--primary-color);
  line-height: 1.2;
  text-align: right;
  margin-top: 1rem;
  margin-right: 1rem;
}

.award-date {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: -1rem;
}

/* Score Criteria Panel */
.score-criteria-panel {
  position: fixed;
  right: -350px;
  top: 50%;
  transform: translateY(-50%);
  width: 350px;
  z-index: 1000;
  transition: right 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  opacity: 0;
  visibility: hidden;
}

.score-criteria-panel.visible {
  opacity: 1;
  visibility: visible;
}

.score-criteria-panel.show {
  right: 0;
}

.score-criteria-toggle {
  position: absolute;
  left: -50px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--gradient-1);
  color: var(--white);
  padding: 15px 10px;
  border-radius: 10px 0 0 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: -2px 0 10px rgba(153, 102, 204, 0.3);
  min-height: 100px;
  width: 50px;
}

.score-criteria-toggle:hover {
  background: var(--gradient-3);
  transform: translateY(-50%) translateX(-5px);
}

.toggle-text {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 1.2;
}

.score-criteria-toggle i {
  font-size: 1.2rem;
}

.score-criteria-content {
  background: var(--white);
  border-radius: 15px 0 0 15px;
  padding: 20px;
  box-shadow: -5px 0 20px rgba(153, 102, 204, 0.2);
  max-height: 80vh;
  overflow-y: auto;
  border: 2px solid var(--primary-color);
}

.score-criteria-content h4 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-align: center;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 10px;
}

.criteria-note {
  font-size: 0.65rem;
  color: var(--gray);
  text-align: center;
  margin-bottom: 35px;
  font-style: italic;
  line-height: 1.4;
}

.criteria-section {
  margin-bottom: 20px;
}

.criteria-section h5 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 10px;
  background: var(--gradient-2);
  padding: 8px 12px;
  border-radius: 8px;
}

.criteria-item {
  margin-bottom: 8px;
  padding: 8px 12px;
  background: var(--light-gray);
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.4;
}

.criteria-item strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* Footer */
.footer {
  background: var(--gradient-1);
  color: var(--white);
  text-align: center;
  padding: 1rem 0;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.profile-content,
.about-content,
.belief-content,
.work-item,
.youtube-section,
.timeline,
.skills-grid {
  animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .about-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .about-text {
    min-width: auto;
  }

  .interests-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .interests-text {
    min-width: auto;
  }

  .interests-carousel {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
  }

  .interest-card {
    min-width: 100%;
    width: 100%;
  }

  .work-item,
  .work-item-reverse {
    flex-direction: column;
    gap: 2rem;
  }

  .work-media,
  .work-info {
    max-width: 100%;
  }

  .skill-items {
    grid-template-columns: 1fr;
  }

  .skill-item {
    min-width: auto;
  }
}

@media (max-width: 1200px) {
  .skill-items {
    grid-template-columns: repeat(3, minmax(200px, 1fr));
  }
}

@media (max-width: 900px) {
  .skill-items {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
}

/* Controls Guide Popup */
.controls-guide {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(153, 102, 204, 0.3);
  border: 2px solid rgba(153, 102, 204, 0.2);
  max-width: 300px;
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s ease;
}

.controls-guide.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.controls-guide-content {
  position: relative;
}

.close-guide-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.close-guide-btn:hover {
  background: var(--accent-color);
  transform: scale(1.1);
}

.controls-guide h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  text-align: center;
}

.guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-list li {
  padding: 0.5rem 0;
  color: var(--dark-gray);
  border-bottom: 1px solid rgba(153, 102, 204, 0.1);
  font-size: 0.9rem;
}

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

.guide-list strong {
  color: var(--primary-color);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  /* 小さな画面では全てのskill-itemsを2列レイアウトに変更 */
  .skill-items,
  .skill-category:nth-child(1) .skill-items,
  .skill-category:nth-child(2) .skill-items,
  .skill-category:nth-child(3) .skill-items,
  .skill-category:nth-child(4) .skill-items,
  .skill-category:nth-child(5) .skill-items,
  .skill-category:nth-child(6) .skill-items {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: none !important;
  }
}

@media (max-width: 480px) {
  /* 非常に小さな画面では1列レイアウトに変更 */
  .skill-items,
  .skill-category:nth-child(1) .skill-items,
  .skill-category:nth-child(2) .skill-items,
  .skill-category:nth-child(3) .skill-items,
  .skill-category:nth-child(4) .skill-items,
  .skill-category:nth-child(5) .skill-items,
  .skill-category:nth-child(6) .skill-items {
    grid-template-columns: 1fr !important;
    max-width: none !important;
  }
}