/* リセットとベーススタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #e62789;
  color: #ffffff;
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
}

a {
  color: #ffffff;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.8;
}

/* ヘッダー */
header {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav a {
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

nav a:hover {
  opacity: 1;
  border-bottom-color: #ffffff;
}

/* メイン */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

section {
  margin-bottom: 4rem;
}

h2 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 2rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ヒーローセクション */
#hero {
  position: relative;
  min-height: 600px;
  margin: -2rem -1rem 4rem;
  overflow: hidden;
}

.hero-images {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.hero-overlay {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(to bottom, rgba(230, 39, 137, 0.3), rgba(230, 39, 137, 0.8));
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-catchphrase {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 3rem;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.hero-info {
  background-color: rgba(0, 0, 0, 0.4);
  padding: 2rem;
  border-radius: 10px;
  margin-bottom: 2rem;
  backdrop-filter: blur(5px);
}

.info-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

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

.info-label {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  opacity: 0.9;
}

.info-value {
  font-size: 1.1rem;
  font-weight: 400;
}

.cta-button {
  display: inline-block;
  background-color: #ffffff;
  color: #e62789;
  padding: 1rem 3rem;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cta-button:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* アバウトプレビュー */
#about-preview {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 3rem 2rem;
  border-radius: 15px;
}

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

.about-text p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 700;
  border-bottom: 2px solid #ffffff;
  padding-bottom: 0.2rem;
}

.center-link {
  display: block;
  text-align: center;
  margin-top: 2rem;
}

/* ニュース */
#news {
  background-color: rgba(0, 0, 0, 0.15);
  padding: 3rem 2rem;
  border-radius: 15px;
}

.news-list {
  list-style: none;
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.news-item:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateX(5px);
}

.news-date {
  font-weight: 700;
  min-width: 100px;
  opacity: 0.9;
}

.news-title {
  flex: 1;
}

/* ハイライト */
#highlights {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 3rem 2rem;
  border-radius: 15px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.highlight-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s ease;
}

.highlight-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.highlight-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.highlight-card h3 {
  margin-bottom: 1rem;
}

.highlight-card p {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* ギャラリー */
#gallery {
  padding: 3rem 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.gallery-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.gallery-grid img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

/* スポンサープレビュー */
#sponsors-preview {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 3rem 2rem;
  border-radius: 15px;
  text-align: center;
}

.sponsor-text {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* フッター */
footer {
  background-color: rgba(0, 0, 0, 0.4);
  padding: 3rem 2rem 1rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.footer-section p {
  line-height: 1.8;
}

.footer-section a {
  display: block;
  margin-bottom: 0.5rem;
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.8;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    justify-content: center;
    gap: 1rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-catchphrase {
    font-size: 1.2rem;
  }

  .hero-images {
    grid-template-columns: 1fr;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .news-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .cta-button {
    padding: 0.8rem 2rem;
    font-size: 1rem;
  }
}

/* 下層ページ共通スタイル */
.page-header {
  text-align: center;
  padding: 4rem 2rem 3rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 15px;
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.content-section {
  background-color: rgba(0, 0, 0, 0.15);
  padding: 3rem 2rem;
  border-radius: 15px;
  margin-bottom: 3rem;
}

/* 開催概要ページ */
.concept-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.concept-image {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.concept-text p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.detail-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
}

.detail-item h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  opacity: 0.9;
  font-weight: 700;
}

.detail-item p {
  font-size: 1.1rem;
}

.organizers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.organizer-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
}

.organizer-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.organizer-card p {
  line-height: 2;
  font-size: 1.05rem;
}

.rules-content {
  display: grid;
  gap: 2rem;
}

.rule-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  border-left: 4px solid #ffffff;
}

.rule-item h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.rule-item p {
  line-height: 1.8;
  opacity: 0.95;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.criteria-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s ease;
}

.criteria-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.criteria-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.criteria-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.criteria-card p {
  font-size: 0.95rem;
  opacity: 0.9;
  line-height: 1.6;
}

.judges-note {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.judges-placeholder {
  text-align: center;
}

.judges-placeholder img {
  max-width: 600px;
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cta-section {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 4rem 2rem;
  border-radius: 15px;
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* フォームスタイル */
.form-container {
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 1rem;
  font-family: "Noto Sans JP", sans-serif;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

.form-submit {
  text-align: center;
  margin-top: 3rem;
}

.submit-button {
  background-color: #ffffff;
  color: #e62789;
  padding: 1rem 4rem;
  border: none;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* レスポンシブ - 下層ページ */
@media (max-width: 768px) {
  .page-header h1 {
    font-size: 2rem;
  }

  .concept-content {
    grid-template-columns: 1fr;
  }

  .details-grid,
  .organizers-grid {
    grid-template-columns: 1fr;
  }

  .criteria-grid {
    grid-template-columns: 1fr;
  }
}

/* エントリーページ */
.entry-info {
  display: grid;
  gap: 2rem;
}

.info-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
}

.info-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.info-card ul {
  list-style: none;
  padding-left: 0;
}

.info-card ul li {
  padding-left: 1.5rem;
  margin-bottom: 0.8rem;
  position: relative;
}

.info-card ul li:before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 700;
}

.info-card p {
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

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

.form-group small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.flow-step {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: #ffffff;
  color: #e62789;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  margin: 0 auto 1.5rem;
}

.flow-step h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.flow-step p {
  line-height: 1.6;
  opacity: 0.95;
}

/* スケジュールページ */
.schedule-container {
  max-width: 900px;
  margin: 0 auto;
}

.day-schedule {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  margin-bottom: 2rem;
}

.day-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.schedule-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2rem;
  padding: 1.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 1rem;
  border-left: 4px solid #ffffff;
}

.schedule-time {
  font-weight: 700;
  font-size: 1.1rem;
}

.schedule-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.schedule-content p {
  line-height: 1.6;
  opacity: 0.9;
}

/* 会場ページ */
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.venue-info {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
}

.venue-info h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.venue-info p {
  line-height: 1.8;
  margin-bottom: 1rem;
}

.venue-map {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.venue-map iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.access-methods {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.access-method {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid #ffffff;
}

.access-method h4 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.access-method p {
  line-height: 1.6;
  opacity: 0.95;
}

.hotel-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.hotel-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 8px;
}

.hotel-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.hotel-item p {
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.hotel-item a {
  border-bottom: 1px solid #ffffff;
  padding-bottom: 0.2rem;
}

/* スポンサーページ */
.sponsor-tier {
  margin-bottom: 3rem;
}

.tier-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}

.sponsor-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  align-items: center;
  justify-items: center;
}

.sponsor-logo {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 10px;
  width: 100%;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.sponsor-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.sponsor-recruitment {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 15px;
  text-align: center;
}

.sponsor-recruitment h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.sponsor-recruitment p {
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* アーカイブページ */
.archive-years {
  display: grid;
  gap: 2rem;
}

.year-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.year-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateX(10px);
}

.year-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.year-card p {
  line-height: 1.8;
  opacity: 0.95;
}

.award-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.award-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.award-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.award-content {
  padding: 1.5rem;
}

.award-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.award-badge {
  display: inline-block;
  background-color: rgba(255, 215, 0, 0.2);
  color: #ffd700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.award-description {
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.award-team {
  font-size: 0.95rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .venue-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }
}