/* カスタムスタイル - D.Style テニスサークル */

/* 共通設定 */
.btn i {
  margin-right: 8px;
}

.btn-primary {
  background-color: #01A0E9;
  color: #fff;
  border: none;
  box-shadow: 0 5px 15px rgba(1, 160, 233, 0.3);
}

.btn-primary:hover {
  background-color: #0089c6;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(1, 160, 233, 0.4);
}

/* ヒーローセクション拡張 */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
  text-align: center;
}

.hero-scroll-indicator a {
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-scroll-indicator i {
  font-size: 24px;
  margin-bottom: 5px;
}

.hero-content {
  text-align: center;
}

.hero-logo {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo img {
  max-width: 350px;
  height: auto;
  filter: drop-shadow(0 5px 15px rgba(255, 255, 255, 0.5));
  transition: transform 0.3s ease;
  animation: float 3s ease-in-out infinite;
}

.hero-logo img:hover {
  transform: scale(1.1);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.hero-buttons {
  justify-content: center;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-15px) translateX(-50%);
  }
  60% {
    transform: translateY(-7px) translateX(-50%);
  }
}

/* サークル概要 */
.about {
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, #01A0E9, #0089c6);
}

/* about-containerのデフォルトスタイル (PC) */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

/* about-contentとabout-image-galleryのデフォルトの順序 */
.about-content {
  order: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-image-gallery {
  order: 2;
  position: relative;
  height: 800px;
  perspective: 1000px;
  margin-left: 30px;
}

/* サークル概要のテキスト部分のスタイル向上 */
.about-text.compact {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 100%;
}

.about-header {
  background-color: #f9f9f9;
  border-radius: 15px;
  padding: 18px;
  margin-bottom: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #01A0E9;
}

.about-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.about-info-card {
  background-color: #f9f9f9;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  height: 100%;
  text-align: center;
  transition: all 0.3s ease;
  border-top: 3px solid #01A0E9;
}

.about-info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.info-icon {
  background-color: rgba(1, 160, 233, 0.1);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
}

.info-icon i {
  color: #01A0E9;
  font-size: 22px;
}

.about-info-card h4 {
  font-size: 16px;
  color: #333;
  margin-bottom: 8px;
  font-weight: 600;
}

.about-info-card p {
  font-size: 14px;
  margin-bottom: 8px;
}

.about-info-card .mini-text {
  font-size: 13px;
  color: #666;
}

.quote-block.mini {
  background-color: rgba(1, 160, 233, 0.1);
  border-radius: 8px;
  padding: 10px;
  margin: 5px 0;
}

.quote-block.mini p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #01A0E9;
  font-style: italic;
  text-align: center;
}

.mini-bar {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 5px;
  font-size: 13px;
}

.mini-bar span {
  padding: 3px 10px;
  border-radius: 50px;
  background: linear-gradient(to right, rgba(1, 160, 233, 0.2), rgba(1, 160, 233, 0.1));
  font-weight: 500;
}

.mini-bar span:nth-child(2) {
  background: linear-gradient(to right, rgba(1, 160, 233, 0.3), rgba(1, 160, 233, 0.2));
}

.mini-bar span:nth-child(3) {
  background: linear-gradient(to right, rgba(1, 160, 233, 0.4), rgba(1, 160, 233, 0.3));
}

.about-text h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #333;
  position: relative;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
}

.about-text h3 i {
  color: #01A0E9;
  margin-right: 10px;
  font-size: 18px;
}

.about-text h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #01A0E9;
}

.about-text p {
  margin-bottom: 8px;
  line-height: 1.5;
  font-size: 14px;
}

/* 重なり合う画像ギャラリー - 間隔を広げて80%以上見えるように */
.gallery-image {
  position: absolute;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: all 0.5s ease;
  width: 80%;
  height: 250px;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.5s ease;
}

.gallery-image.image-1 {
  top: 0;
  left: 0;
  z-index: 3;
  transform: rotate(-1deg);
}

.gallery-image.image-2 {
  top: 270px;
  left: 50px;
  z-index: 2;
  transform: rotate(1deg);
}

.gallery-image.image-3 {
  top: 540px;
  left: 0;
  z-index: 1;
  transform: rotate(-1deg);
}

.about-image-gallery:hover .gallery-image.image-1 {
  transform: rotate(-2deg) translateY(-10px);
}

.about-image-gallery:hover .gallery-image.image-2 {
  transform: rotate(2deg) translateY(-10px);
}

.about-image-gallery:hover .gallery-image.image-3 {
  transform: rotate(-2deg) translateY(-10px);
}

.gallery-overlay {
  position: absolute;
  bottom: 30px;
  left: 15%;
  right: 15%;
  background: rgba(1, 160, 233, 0.8);
  color: #fff;
  padding: 15px 25px;
  border-radius: 50px;
  text-align: center;
  font-weight: 500;
  font-size: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  z-index: 4;
  transform: translateY(0);
  transition: all 0.5s ease;
}

.about-image-gallery:hover .gallery-overlay {
  transform: translateY(-10px);
  background: rgba(1, 160, 233, 0.9);
}

/* イベント情報 */
.events {
  background-color: #f9f9f9;
  position: relative;
}

.events-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
  align-items: stretch;
}

.event-card {
  background-color: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid #eee;
  width: 100%; /* 幅を100%に設定 */
}

.event-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.event-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: #01A0E9;
  color: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  z-index: 1;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.event-image {
  position: relative;
  overflow: hidden;
  height: 0;
  padding-top: 66.67%; /* 2:3 aspect ratio */
  border-radius: 8px 8px 0 0;
}

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

.event-card:hover .event-image img {
  transform: scale(1.05);
}

.event-content {
  padding: 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.event-content h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: #333;
  position: relative;
  padding-bottom: 12px;
}

.event-content h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #01A0E9;
}

.event-content p {
  font-size: 15px;
  color: #555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.event-details {
  list-style: none;
  margin-bottom: 25px;
  background-color: #f9f9f9;
  padding: 15px;
  border-radius: 10px;
}

.event-details li {
  margin-bottom: 10px;
  font-size: 14px;
  display: flex;
  align-items: center;
}

.event-details li:last-child {
  margin-bottom: 0;
}

.event-details li i {
  color: #01A0E9;
  margin-right: 10px;
  min-width: 20px;
  text-align: center;
}

.event-btn {
  margin-top: auto;
  align-self: stretch;
}

.events-cta {
  text-align: center;
  padding: 30px;
  background: linear-gradient(to right, rgba(1, 160, 233, 0.1), rgba(1, 160, 233, 0.2));
  border-radius: 20px;
}

.events-cta p {
  margin-bottom: 20px;
  font-size: 18px;
  color: #555;
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
  .events-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .about-info-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  
  .about-image-gallery {
    height: 750px;
  }
  
  .gallery-image {
    width: 85%;
    height: 220px;
  }
  
  .gallery-image.image-2 {
    top: 250px;
  }
  
  .gallery-image.image-3 {
    top: 500px;
  }
  
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
  }
  
  .stat-item {
    padding: 15px 10px;
  }
  
  .stat-number {
    font-size: 28px;
  }
}

@media (max-width: 992px) {
  .events-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .about-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .about-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* 992px以下ではabout-image-galleryをabout-contentの前に表示 */
  .about-content {
    order: 2;
  }
  
  .about-image-gallery {
    order: 1;
    height: 850px;
    margin-bottom: 20px;
    margin-left: 0;
  }
  
  .gallery-image {
    width: 90%;
  }
  
  .gallery-image.image-2 {
    top: 280px;
    left: 40px;
  }
  
  .gallery-image.image-3 {
    top: 560px;
    left: 0;
  }
  
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .hero-logo img {
    max-width: 250px;
  }
  
  .event-image {
    padding-top: 62.5%; /* 5:8 aspect ratio */
  }
  
  .event-content {
    padding: 20px;
  }
  
  .event-content h3 {
    font-size: 20px;
  }
  
  .event-content p {
    font-size: 14px;
  }
  
  .event-details li {
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .events-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .about-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-info-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .about-info-card {
    padding: 12px;
  }
  
  .gallery-image {
    width: 85%;
    height: 180px;
  }
  
  .gallery-image.image-1 {
    top: 0;
    left: 0;
  }
  
  .gallery-image.image-2 {
    top: 200px;
    left: 15%;
  }
  
  .gallery-image.image-3 {
    top: 400px;
    left: 0;
  }
  
  .about-image-gallery {
    height: 600px;
    margin-bottom: 30px;
  }
  
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 0;
  }
  
  .events-container {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
  }
  
  .event-card {
    max-width: 100%;
  }
  
  .event-content {
    padding: 15px;
  }
  
  .event-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
  
  .event-details {
    grid-template-columns: 1fr;
  }
  
  .event-image {
    padding-top: 60%; /* 3:5 aspect ratio */
  }
  
  .hero-logo {
    margin-top: 25px;
    margin-bottom: 65px;
  }
  
  .hero-logo img {
    max-width: 200px;
  }
  
  .hero-scroll-indicator {
    bottom: 30px;
  }
  
  .champion-image {
    height: 220px;
  }
}

@media (max-width: 576px) {
  .events-container {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 25px;
    padding: 0 15px;
  }
  
  .event-card {
    border-radius: 10px;
    max-width: 100%;
    width: 100%;
    margin: 0;
  }
  
  .about-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .about-image-gallery {
    height: 450px;
  }
  
  .gallery-image {
    width: 70%;
    height: 130px;
  }
  
  .gallery-image.image-1 {
    top: 0;
    left: 0;
  }
  
  .gallery-image.image-2 {
    top: 150px;
    left: 25%;
  }
  
  .gallery-image.image-3 {
    top: 300px;
    left: 0;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .stat-icon {
    width: 45px;
    height: 45px;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .event-image {
    padding-top: 56.25%; /* 16:9 aspect ratio */
  }
  
  .event-content h3 {
    font-size: 17px;
  }
  
  .event-content p {
    font-size: 14px;
  }
  
  .event-details li {
    font-size: 13px;
  }
  
  .hero-logo {
    margin-top: 20px;
    margin-bottom: 10px;
  }
  
  .hero-logo img {
    max-width: 150px;
  }
  
  .hero-scroll-indicator {
    bottom: 20px;
  }
  
  .champion-image {
    height: 200px;
  }
}

/* ハイライト部分 */
.highlight {
  color: #01A0E9;
  font-weight: 600;
  position: relative;
  padding: 0 3px;
}

.highlight::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 6px;
  background-color: rgba(1, 160, 233, 0.1);
  bottom: 0;
  left: 0;
  z-index: -1;
  border-radius: 3px;
}

/* 引用ブロック */
.quote-block {
  background-color: rgba(1, 160, 233, 0.1);
  border-radius: 10px;
  padding: 15px;
  margin: 10px 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quote-block p {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #01A0E9;
  font-style: italic;
  text-align: center;
  padding: 0 20px;
}

.quote-block i {
  color: rgba(1, 160, 233, 0.5);
  font-size: 18px;
}

.quote-block i.fa-quote-left {
  position: absolute;
  left: 10px;
  top: 10px;
}

.quote-block i.fa-quote-right {
  position: absolute;
  right: 10px;
  bottom: 10px;
}

/* 統計情報表示 */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.stat-item {
  background-color: #f9f9f9;
  border-radius: 15px;
  padding: 20px 15px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.stat-icon {
  font-size: 30px;
  color: #01A0E9;
  margin-bottom: 15px;
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: #333;
  margin-bottom: 5px;
  font-family: 'Montserrat', sans-serif;
  line-height: 1;
}

.stat-number span {
  font-size: 20px;
  color: #01A0E9;
}

.stat-label {
  font-size: 14px;
  color: #777;
}

/* 優勝者の声セクション */
.champions {
  background-color: #fff;
  position: relative;
}

.champions-scroll-container {
  position: relative;
  overflow: hidden;
  margin-bottom: 30px;
}

.champions-container {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scroll-snap-stop: always;
  padding: 30px 15px;
  -ms-overflow-style: none;  /* Internet Explorer と Edge 用 */
  scrollbar-width: none;  /* Firefox 用 */
}

.champions-container::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera 用 */
}

.champion-card {
  background-color: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  flex: 0 0 330px;
  max-width: 330px;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  height: auto;
  border: 1px solid #eee;
  margin-bottom: 15px;
}

.scroll-controls {
  position: absolute;
  top: 85%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 5px;
  z-index: 5;
}

.scroll-btn {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: #fff;
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: #01A0E9;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.scroll-btn:hover {
  background-color: #01A0E9;
  color: #fff;
  transform: scale(1.1);
}

.prev-btn {
  margin-right: auto;
}

.next-btn {
  margin-left: auto;
}

.champion-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.champion-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

.champion-card:hover .champion-image img {
  transform: scale(1.05);
}

.champion-badge {
  position: absolute;
  bottom: 15px;
  right: 15px;
  background: linear-gradient(135deg, #01A0E9, #0089c6);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  z-index: 1;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.champion-card:hover .champion-badge {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.champion-content {
  padding: 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.champion-content h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #333;
  position: relative;
  padding-bottom: 12px;
}

.champion-content h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #01A0E9;
}

.champion-quote {
  position: relative;
  background-color: rgba(1, 160, 233, 0.05);
  border-radius: 10px;
  padding: 25px 30px;
  margin-bottom: 20px;
}

.champion-quote p {
  font-style: italic;
  color: #555;
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

.champion-quote i {
  color: rgba(1, 160, 233, 0.3);
  font-size: 20px;
  position: absolute;
}

.champion-quote i.fa-quote-left {
  top: 10px;
  left: 10px;
}

.champion-quote i.fa-quote-right {
  bottom: 10px;
  right: 10px;
}

.champion-info {
  background-color: #f9f9f9;
  border-radius: 10px;
  padding: 15px;
  margin-top: auto;
}

.champion-info p {
  margin-bottom: 8px;
  font-size: 14px;
  color: #666;
}

.champion-info p:last-child {
  margin-bottom: 0;
}

.champion-info p strong {
  color: #333;
  margin-right: 5px;
}

.champions-note {
  text-align: center;
  font-size: 14px;
  color: #666;
  font-style: italic;
}

/* お問い合わせ & CTA セクション修正 */
.contact-cta-container.full-width {
  max-width: 1000px;
  margin: 0 auto;
}

.cta-feature {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.3s ease;
}

.cta-feature:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 28px;
  color: #01A0E9;
  margin-bottom: 15px;
  background-color: rgba(255, 255, 255, 0.2);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-content h4 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #fff;
}

.feature-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.cta-header {
  margin-bottom: 30px;
}

/* フッターセクション修正 */
.footer-social {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: #01A0E9;
  transform: translateY(-5px);
}

/* カラフルなSNSアイコン用のスタイル */
.footer-social a.instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.footer-social a.instagram i {
  font-size: 22px;
  position: relative;
  z-index: 2;
}

.footer-social a.instagram::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #f09433 30%, #e6683c 50%, #dc2743 70%, #cc2366 90%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.footer-social a.youtube {
  background-color: #FF0000;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.footer-social a.youtube i {
  font-size: 20px;
  position: relative;
  z-index: 2;
}

.footer-social a.youtube::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #FF0000, #FF3333);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.footer-social a.instagram:hover,
.footer-social a.youtube:hover {
  transform: translateY(-5px) scale(1.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.footer-social a.instagram:hover::before,
.footer-social a.youtube:hover::before {
  opacity: 1;
}

.footer-social a.instagram:hover i,
.footer-social a.youtube:hover i {
  animation: pulse 0.5s;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.footer-profile h3 {
  color: #fff;
  margin-bottom: 15px;
  font-size: 22px;
  position: relative;
  padding-bottom: 12px;
}

.footer-profile h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #01A0E9;
}

.footer-profile-content {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 20px;
  margin-top: 15px;
}

.footer-profile-header {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  gap: 15px;
}

.footer-profile-image {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #01A0E9;
}

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

.footer-profile-info h4 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 5px;
}

.footer-title-badge {
  background-color: rgba(1, 160, 233, 0.2);
  color: #01A0E9;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
}

.footer-profile-bio {
  color: #fff;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 15px;
}

.footer-profile-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
}

.footer-stat-item {
  color: #fff;
  font-size: 13px;
  display: flex;
  align-items: center;
}

.footer-stat-item i {
  color: #01A0E9;
  margin-right: 8px;
}

.footer-profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.footer-profile-tags span {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.footer-profile-tags span:hover {
  background-color: rgba(1, 160, 233, 0.2);
  color: #fff;
}

.footer-profile-link {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(1, 160, 233, 0.1);
  color: #01A0E9;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.footer-profile-link i {
  margin-right: 8px;
}

.footer-profile-link:hover {
  background-color: #01A0E9;
  color: #fff;
}

.footer-bottom {
  background-color: #111;
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: #bbb;
  font-size: 14px;
}

/* レスポンシブ対応の追加 */
@media (max-width: 992px) {
  .champions-container {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
  }
  
  .champion-image {
    height: 200px;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-profile {
    grid-column: span 2;
    margin-top: 20px;
  }
}

@media (max-width: 768px) {
  .champions-container {
    gap: 20px;
    padding: 20px 10px;
  }
  
  .champion-card {
    margin: 0 20px;
  }
  
  .champion-content {
    padding: 20px;
  }
  
  .champion-quote {
    padding: 20px;
  }
  
  .cta-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .footer-profile {
    grid-column: auto;
  }
  
  .champion-image {
    height: 220px;
  }
}

@media (max-width: 576px) {
  .champions-container {
    gap: 15px;
    padding: 15px 5px;
  }
  
  .champion-image {
    height: 200px;
  }
  
  .champion-badge {
    font-size: 11px;
    padding: 4px, 10px;
  }
  
  .champion-content h3 {
    font-size: 20px;
  }
  
  .champion-quote p {
    font-size: 14px;
  }
  
  .footer-profile-header {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-profile-stats {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
}

/* CTAセクション */
.cta-section {
  background: #f2f2f2;
  position: relative;
  color: #333;
  padding-top: 60px;
  padding-bottom: 60px;
}

.cta-main {
  background-color: #fff;
  border: 1px solid #eee;
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
  margin-bottom: 0;
}

.cta-main h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
  color: #333;
}

.cta-main h2:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 80px;
  height: 3px;
  background-color: #01A0E9;
}

.cta-main h2 span {
  color: #01A0E9;
  font-weight: 700;
}

.cta-main p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #666;
}

.cta-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.cta-box {
  background-color: #f9f9f9;
  border-radius: 15px;
  padding: 25px 20px;
  transition: all 0.3s ease;
  border: 1px solid #eee;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.cta-box:hover {
  transform: translateY(-10px);
  background-color: rgba(1, 160, 233, 0.05);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(1, 160, 233, 0.2);
}

.cta-box-icon {
  font-size: 30px;
  color: #01A0E9;
  background-color: rgba(1, 160, 233, 0.1);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.cta-box:hover .cta-box-icon {
  background-color: rgba(1, 160, 233, 0.2);
  transform: scale(1.1);
}

.cta-box h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: #333;
  font-weight: 600;
}

.cta-box p {
  font-size: 15px;
  color: #666;
  margin-bottom: 0;
  line-height: 1.5;
}

.cta-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.btn-lg {
  padding: 14px 35px;
  font-size: 18px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(1, 160, 233, 0.3);
}

.btn-lg:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(1, 160, 233, 0.4);
}

.cta-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: #666;
  background-color: #f9f9f9;
  padding: 10px 20px;
  border-radius: 10px;
}

.cta-contact i {
  color: #01A0E9;
  font-size: 20px;
}

.cta-contact p {
  margin: 0;
  font-size: 15px;
}

.cta-contact a {
  color: #01A0E9;
  text-decoration: underline;
  transition: all 0.3s ease;
  font-weight: 600;
}

.cta-contact a:hover {
  color: #0089c6;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
  .cta-main {
    padding: 25px 20px;
  }
  
  .cta-main h2 {
    font-size: 32px;
    margin-bottom: 15px;
  }
  
  .cta-main p {
    font-size: 16px;
    margin-bottom: 25px;
  }
  
  .cta-box-icon {
    width: 65px;
    height: 65px;
    font-size: 28px;
  }
  
  .btn-lg {
    padding: 12px 30px;
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .cta-boxes {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .cta-box {
    padding: 20px 15px;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .cta-main h2 {
    font-size: 28px;
  }
  
  .cta-main p {
    font-size: 15px;
    line-height: 1.6;
  }
  
  .cta-contact {
    flex-direction: row;
    align-items: center;
    text-align: left;
    width: 100%;
    max-width: 500px;
  }
}

@media (max-width: 576px) {
  .cta-main {
    padding: 20px 15px;
  }
  
  .cta-main h2 {
    font-size: 24px;
    padding-bottom: 10px;
  }
  
  .cta-main h2:after {
    width: 60px;
    height: 2px;
  }
  
  .cta-main p {
    font-size: 14px;
    margin-bottom: 20px;
  }
  
  .cta-box-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin-bottom: 15px;
  }
  
  .cta-box h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }
  
  .cta-box p {
    font-size: 14px;
  }
  
  .btn-lg {
    padding: 12px 25px;
    font-size: 16px;
    width: 100%;
  }
  
  .cta-contact {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 12px;
  }
  
  .cta-contact p {
    font-size: 14px;
  }
}

/* モダンナビゲーション */
/* 既存のヘッダースタイルを上書きする新しいスタイル */
header {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 3px 20px rgba(0, 0, 0, 0.08);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

header.sticky {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  transition: all 0.3s ease;
}

header.sticky .header-inner {
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  transition: all 0.3s ease;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--dark);
  font-weight: 500;
}

.logo-icon {
  margin-right: 10px;
  width: 50px;
  height: 50px;
  background: transparent;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  overflow: hidden;
}

.logo:hover .logo-icon {
  transform: scale(1.05); /* 回転ではなく少し拡大するエフェクトに変更 */
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 5px;
}

.nav-menu li {
  margin: 0;
  position: relative;
}

.nav-menu li a {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
  padding: 10px 15px;
  border-radius: 10px;
  transition: all 0.3s ease;
  position: relative;
  display: block;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.3px;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateX(-50%);
  border-radius: 10px;
}

.nav-menu li a:hover {
  color: var(--primary);
  background-color: rgba(1, 160, 233, 0.05);
}

.nav-menu li a:hover::after {
  width: 40%;
  opacity: 1;
}

.header-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 10px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 5px 15px rgba(1, 160, 233, 0.25);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-btn::before {
  content: "\f073";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  font-size: 14px;
}

.header-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(1, 160, 233, 0.4);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
  width: 45px;
  height: 45px;
  border-radius: 12px;
  background-color: rgba(1, 160, 233, 0.08);
  align-items: center;
  justify-content: center;
}

.hamburger:hover {
  background-color: rgba(1, 160, 233, 0.12);
  transform: scale(1.05);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
  .nav-menu li a {
    font-size: 14px;
    padding: 8px 12px;
  }
  
  .header-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

@media (max-width: 992px) {
  .hamburger {
    display: flex;
  }
  
  .header-btn.d-none.d-lg-block {
    display: none !important;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 80px);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 20px;
    z-index: 999;
    transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    overflow-y: auto;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    border-radius: 20px 0 0 20px;
    gap: 0;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
    margin: 0;
    padding: 0;
  }
  
  .nav-menu li a {
    font-size: 15px;
    padding: 15px;
    width: 100%;
    border-radius: 12px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .nav-menu li a::before {
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-right: 10px;
    font-size: 12px;
    color: var(--primary);
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-5px);
  }
  
  .nav-menu li a:hover::before {
    opacity: 1;
    transform: translateX(0);
  }
  
  .nav-menu li a::after {
    display: none;
  }
  
  .nav-menu li a:hover {
    background-color: rgba(1, 160, 233, 0.08);
    color: var(--primary);
  }
  
  .header-inner {
    padding: 15px 0;
  }
}

@media (max-width: 576px) {
  .logo {
    font-size: 24px;
  }
  
  .logo-icon {
    width: 50px;
    height: 50px;
    margin-right: 8px;
    background: transparent;
  }
  
  .hamburger {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }
  
  .nav-menu {
    width: 280px;
    top: 70px;
  }
  
  .header-inner {
    padding: 12px 0;
  }
}

/* Active state for navigation menu items */
.nav-menu li a.active {
  color: var(--primary);
  font-weight: 600;
  background-color: rgba(1, 160, 233, 0.08);
}

.nav-menu li a.active::after {
  width: 50%;
  opacity: 1;
}

@media (max-width: 992px) {
  .nav-menu li a.active {
    background-color: rgba(1, 160, 233, 0.12);
    padding-left: 20px;
  }
  
  .nav-menu li a.active::before {
    opacity: 1;
    transform: translateX(0);
  }
}

.footer-links h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 25px;
  color: #fff;
  position: relative;
  padding-bottom: 15px;
}

.footer-links h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary);
}

.tournaments-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.tournament-card {
  background: linear-gradient(145deg, #3a4a5c, #4a5c6e);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.tournament-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #01A0E9, #00c6ff);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.tournament-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.tournament-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.tournament-card:hover::before {
  opacity: 1;
}

.tournament-card:hover::after {
  opacity: 1;
}

.tournament-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: #ffffff;
  font-weight: 600;
  position: relative;
  padding-bottom: 12px;
}

.tournament-card h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #01A0E9, #00c6ff);
}

.tournament-card p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 25px;
  line-height: 1.6;
}

.tournament-details {
  list-style: none;
  padding: 0;
  margin: 0;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 20px;
  backdrop-filter: blur(5px);
}

.tournament-details li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}

.tournament-details li:last-child {
  margin-bottom: 0;
}

.tournament-details li i {
  color: #01A0E9;
  margin-right: 12px;
  font-size: 1rem;
  background: rgba(1, 160, 233, 0.12);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.tournament-card:hover .tournament-details li i {
  background: rgba(1, 160, 233, 0.2);
  transform: scale(1.1);
}

@media (max-width: 1200px) {
  .tournaments-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 567px) {
  .tournaments-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .tournament-card {
    padding: 25px;
  }
  
  .tournament-card h3 {
    font-size: 1.3rem;
  }
  
  .tournament-details {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .events-container {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  
  .event-card {
    max-width: 90%;
  }
  
  .event-image {
    padding-top: 56.25%; /* 16:9 aspect ratio */
  }
  
  .event-content {
    padding: 15px;
  }
  
  .event-content h3 {
    font-size: 16px;
    margin-bottom: 8px;
    padding-bottom: 8px;
  }
  
  .event-content p {
    font-size: 13px;
    margin-bottom: 15px;
  }
  
  .event-details {
    padding: 12px;
  }
  
  .event-details li {
    font-size: 12px;
    margin-bottom: 8px;
  }
}

@media (min-width: 577px) and (max-width: 992px) {
  .about-container {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  /* 577px～992pxの範囲では再びPC表示と同じ順序に戻す */
  .about-content {
    order: 1;
  }
  
  .about-image-gallery {
    order: 2;
    height: 600px;
  }
  
  .gallery-image.image-1 {
    top: 0;
    left: 0;
  }
  
  .gallery-image.image-2 {
    top: 200px;
    left: 40px;
  }
  
  .gallery-image.image-3 {
    top: 400px;
    left: 0;
  }
}

@media (min-width: 577px) {
  .about-container {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (min-width: 577px) and (max-width: 767px) {
  .events-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .event-image {
    padding-top: 58%; /* Slightly shorter aspect ratio */
  }
  
  .event-card {
    margin-bottom: 5px;
  }
}

/* 576px以上768px未満の範囲に特化したスタイル */
@media (min-width: 576px) and (max-width: 768px) {
  .gallery-image {
    width: 90%;
    height: 200px;
  }
  
  .gallery-image.image-1 {
    top: 0;
    left: 0;
  }
  
  .gallery-image.image-2 {
    top: 220px;
    left: 10%;
  }
  
  .gallery-image.image-3 {
    top: 440px;
    left: 0;
  }
  
  .about-image-gallery {
    height: 660px;
  }
}