/* ==========================================
   ツクセカ - コンテストページ専用スタイル
   ========================================== */

/* ==========================================
   コンテストメイン
   ========================================== */
.contest-main {
  background: var(--light-beige);
}

/* ==========================================
   コンテストヒーローセクション
   ========================================== */
.contest-hero {
  position: relative;
  background-color: var(--light-beige);
  overflow: hidden;
}

.contest-hero__image {
  width: 100%;
  max-height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contest-hero__img__sp { display: none !important; }
.contest-hero__img__pc { display: inherit !important; }

.contest-hero__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.contest-hero__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.contest-hero__title {
  font-size: 48px;
  font-weight: 800;
  color: var(--gray-text);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
  line-height: 1.3;
}

.contest-hero__period {
  font-size: 24px;
  font-weight: 600;
  color: #E65100;
  margin-bottom: var(--spacing-xs);
}

.contest-hero__announcement {
  font-size: 18px;
  color: var(--gray-text);
  opacity: 0.9;
}

/* ==========================================
   コンテストセクションタイトル
   ========================================== */
.contest-section-title {
  position: relative;
  padding-bottom: var(--spacing-md);
}

.contest-section-title::after {
  height: 5px;
  background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
}

/* ==========================================
   コンテストテーマ
   ========================================== */
.contest-theme {
  background: var(--white);
}

.theme-card {
  /* background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%); */
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border: 3px solid var(--primary-green);
}

.theme-card__title {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-text);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

/* .theme-card__title::before,
.theme-card__title::after {
  content: '✨';
  position: absolute;
  font-size: 28px;
} */

.theme-card__title::before {
  left: 0;
}

.theme-card__title::after {
  right: 0;
}

.theme-card__content {
  font-size: 18px;
  line-height: 1.8;
  color: var(--gray-text);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.theme-card__examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.theme-example {
  background: var(--white);
  /* padding: var(--spacing-sm); */
  padding-bottom: 6px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition-base);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.theme-example:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.theme-example__icon {
  /* font-size: 36px; */
  display: block;
  /* margin-bottom: var(--spacing-xs); */
}
.theme-example__icon img {
  width: 100%;
  aspect-ratio: 5/3;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  /* height: 72px; */
}

.theme-example__text {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-text);
}

/* ==========================================
   マップの作り方リンク
   ========================================== */
.contest-howto-links {
  background: var(--light-beige);
}

.howto-links__intro {
  text-align: center;
  font-size: 15px;
  color: var(--gray-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.howto-links-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.howto-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.howto-links-item {
  margin: 0;
  border-bottom: 1px solid #E0E0E0;
}

.howto-links-item:first-child {
  border-top: 1px solid #E0E0E0;
}

.howto-links-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--white);
  text-decoration: none;
  color: var(--gray-text);
  transition: var(--transition-base);
}

.howto-links-link:hover {
  background: #F5F5F5;
  padding-left: calc(var(--spacing-lg) + 8px);
}

.howto-links-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--primary-green);
  color: var(--white);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.howto-links-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.howto-links-arrow {
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-green);
  opacity: 0.5;
}

/* ==========================================
   賞セクション
   ========================================== */
.contest-awards {
  background: var(--white);
}

.awards-category {
  margin-bottom: calc(var(--spacing-xl) * 2);
}

.awards-category:last-child {
  margin-bottom: 0;
}

.awards-category__title {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-text);
  text-align: center;
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  width: 100%;
}

.awards-category__title::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--primary-green);
  border-radius: 2px;
}

.awards-category--sponsor .awards-category__title::before {
  background: linear-gradient(90deg, #FF6B6B, #FFD93D);
}

.awards-category__subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--gray-text);
  opacity: 0.8;
  margin-bottom: var(--spacing-xl);
}

.sponsor-section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-text);
  margin-top: calc(var(--spacing-xl) * 1.5);
  margin-bottom: var(--spacing-md);
  text-align: center;
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.sponsor-section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #FF6B6B, #FFD93D);
  margin: var(--spacing-xs) auto 0;
  border-radius: 2px;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.award-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: var(--transition-base);
  position: relative;
  border: 2px solid var(--primary-green);
}

.award-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.award-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--light-gray);
}

.award-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.award-card__badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 48px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.award-card__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-text);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
  text-align: center;
}

.award-card__prize {
  font-size: 18px;
  font-weight: 600;
  color: #E65100;
  text-align: center;
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.award-card__count {
  font-size: 12px;
  color: var(--gray-text);
  opacity: 0.7;
}

.award-card__description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-text);
  padding: 0 var(--spacing-md) var(--spacing-md);
  text-align: center;
}

/* スポンサー賞グリッド */
.sponsor-awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  justify-items: center;
}

/* 小学生向け賞グリッド（2つのカードのみ） */
.sponsor-section-title:first-of-type + .sponsor-awards-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.sponsor-section-title:first-of-type + .sponsor-awards-grid .sponsor-award-card {
  width: calc(33.333% - var(--spacing-lg));
  max-width: 380px;
}

.sponsor-award-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: var(--transition-base);
  border: 2px solid #FFD93D;
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
  max-width: 380px;
  cursor: pointer;
}

.sponsor-award-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  border-color: #FFC107;
}

.sponsor-award-card__image {
  width: 100%;
  aspect-ratio: 1200/630;
  /* height: 160px; */
  overflow: hidden;
  background: var(--light-gray);
}

.sponsor-award-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sponsor-award-card__content {
  padding: var(--spacing-md);
  position: relative;
}

.sponsor-award-card__badge {
  position: absolute;
  top: -20px;
  right: var(--spacing-sm);
  background: var(--white);
  border-radius: 4px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  padding: 2px;
}

.sponsor-award-card__badge img {
  height: 100%;
  width: auto;
  object-fit: contain;
  border-radius: 3px;
}

.sponsor-award-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-text);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.sponsor-award-card__target-wrap {
  text-align: center;
}
.sponsor-award-card__target {
  display: inline-block;
  background: #FF6B6B;
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  margin-bottom: var(--spacing-xs);
}

.sponsor-award-card__prize {
  font-size: 18px;
  font-weight: 600;
  color: #E65100;
  text-align: center;
}

.sponsor-award-card__count {
  font-size: 12px;
  color: var(--gray-text);
  opacity: 0.7;
}

.sponsor-award-card__sponsor {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-green);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.sponsor-award-card__detail {
  text-align: center;
}
.sponsor-award-card__detail span {
  font-size: 14px;
  padding: 8px 12px;
}

.sponsor-award-card__description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-text);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

/* ==========================================
   メディア協賛
   ========================================== */
.contest-media-sponsor {
  background: var(--light-beige);
}

.media-sponsor-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border: 2px solid #FFD93D;
}

.media-sponsor-card__logo {
  flex-shrink: 0;
  width: 90px;
  max-width: 90px;
  aspect-ratio: 1;
  /* height: 80px; */
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.media-sponsor-card__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.media-sponsor-card__content {
  flex: 1;
}

.media-sponsor-card__name {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-sm);
}

.media-sponsor-card__description {
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-text);
  margin-bottom: var(--spacing-md);
}

.media-sponsor-card__articles {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid #E0E0E0;
}

.media-sponsor-card__articles-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-sm);
}

.media-sponsor-card__articles-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.media-sponsor-card__article-item {
  margin: 0;
}

.media-sponsor-card__article-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.5;
  color: #1976D2;
  text-decoration: none;
  transition: var(--transition-base);
  position: relative;
  padding-left: 16px;
}

.media-sponsor-card__article-link::before {
  content: '▶';
  position: absolute;
  left: 0;
  font-size: 10px;
  color: #1976D2;
  transition: var(--transition-base);
}

.media-sponsor-card__article-link:hover {
  color: #1565C0;
  text-decoration: underline;
}

.media-sponsor-card__article-link:hover::before {
  left: 2px;
}

/* ==========================================
   応募方法
   ========================================== */
.contest-how-to {
  background: var(--white);
}

.how-to-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.how-to-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.how-to-step__number {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(139, 195, 74, 0.4);
}

.how-to-step__content {
  flex: 1;
  padding-top: var(--spacing-xs);
}

.how-to-step__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-sm);
}

.how-to-step__description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-text);
}

.contest-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ==========================================
   スケジュール
   ========================================== */
.contest-schedule {
  background: var(--light-beige);
}

.schedule-timeline {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  position: relative;
}

.schedule-timeline::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary-green), var(--secondary-green));
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--white);
  border: 4px solid var(--primary-green);
  border-radius: 50%;
  z-index: 1;
}

.timeline-item--highlight::before {
  background: var(--primary-green);
  box-shadow: 0 0 0 8px rgba(139, 195, 74, 0.2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 8px rgba(139, 195, 74, 0.2);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(139, 195, 74, 0.1);
  }
}

.timeline-item__date {
  flex-shrink: 0;
  width: 200px;
  padding-left: 72px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-green);
  padding-top: 4px;
}

.timeline-item__content {
  flex: 1;
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.timeline-item__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-xs);
}

.timeline-item__description {
  font-size: 15px;
  color: var(--gray-text);
  opacity: 0.8;
  line-height: 1.6;
}

.timeline-item--highlight .timeline-item__content {
  border: 2px solid var(--primary-green);
  background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
}

/* ==========================================
   参加条件・注意事項
   ========================================== */
.contest-rules {
  background: var(--white);
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.rule-card {
  background: var(--light-beige);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.rule-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-green);
}

.rule-card__list {
  list-style: none;
  padding: 0;
}

.rule-card__list li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-text);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.rule-card__list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-green);
  font-weight: 700;
}

.rules-note {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
  border-radius: var(--radius-md);
  /* border-left: 4px solid #FF6F00; */
  text-align: center;
}

.rules-note p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-text);
  margin-bottom: var(--spacing-xs);
}

.rules-note p:last-child {
  margin-bottom: 0;
}

.rules-note a {
  color: #FF6F00;
  font-weight: 600;
  text-decoration: underline;
}

.rules-note a:hover {
  color: #E65100;
}

/* ==========================================
   よくある質問
   ========================================== */
.contest-faq {
  background: var(--light-beige);
}

.faq-list {
  max-width: 900px;
  margin: var(--spacing-xl) auto 0;
}

.faq-item {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: var(--spacing-md);
}

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

.faq-item__question {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-text);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.faq-item__question::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 100%;
  background: var(--primary-green);
  border-radius: 2px;
}

.faq-item__answer {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-text);
  padding-left: var(--spacing-md);
}

/* ==========================================
   お問い合わせ
   ========================================== */
.contest-contact {
  background: var(--white);
}

.contact-card {
  max-width: 700px;
  margin: var(--spacing-xl) auto 0;
  text-align: center;
  background: var(--light-beige);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-card__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-text);
  margin-bottom: var(--spacing-lg);
}

.contact-card__button {
  margin-top: var(--spacing-md);
}

/* ==========================================
   ボトムCTA
   ========================================== */
.contest-bottom-cta {
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
  padding: calc(var(--spacing-xl) * 2) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* .contest-bottom-cta::before {
  content: '🎨';
  position: absolute;
  font-size: 200px;
  opacity: 0.1;
  top: -50px;
  left: 5%;
  transform: rotate(-15deg);
} */

/* .contest-bottom-cta::after {
  content: '🌟';
  position: absolute;
  font-size: 180px;
  opacity: 0.1;
  bottom: -50px;
  right: 8%;
  transform: rotate(20deg);
} */

.contest-bottom-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.contest-bottom-cta__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.contest-bottom-cta__description {
  font-size: 18px;
  color: var(--white);
  opacity: 0.95;
  margin-bottom: var(--spacing-xl);
}

.contest-bottom-cta__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.contest-bottom-cta .btn {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.contest-bottom-cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   レスポンシブ対応
   ========================================== */
@media (max-width: 768px) {
  .contest-hero__img__sp { display: inherit !important; }
  .contest-hero__img__pc { display: none !important; }

  .contest-hero__title {
    font-size: 32px;
  }

  .contest-hero__period {
    font-size: 18px;
  }

  .contest-hero__announcement {
    font-size: 16px;
  }

  .theme-card__title {
    font-size: 24px;
  }

  .theme-card__title::before,
  .theme-card__title::after {
    position: static;
    display: inline;
  }

  .theme-card__examples {
    grid-template-columns: repeat(3, 1fr);
  }

  .awards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }
  .award-card__title {
    font-size: 18px;
    padding: var(--spacing-md) var(--spacing-xs) var(--spacing-xs);
  }
  .award-card__prize {
    font-size: 16px;
    padding: 0 var(--spacing-xs);
  }
  .award-card__description {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray-text);
    padding: 0 var(--spacing-xs) var(--spacing-md);
    text-align: center;
  }

  .sponsor-awards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }

  /* 小学生向け賞もスマホでは2列 */
  .sponsor-section-title:first-of-type + .sponsor-awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }

  .sponsor-section-title:first-of-type + .sponsor-awards-grid .sponsor-award-card {
    width: 100%;
    max-width: none;
  }

  .sponsor-award-card__content {
    padding: var(--spacing-xs) var(--spacing-xs) var(--spacing-md) var(--spacing-xs);
  }
  .sponsor-award-card__title {
    margin-top: var(--spacing-md);
    font-size: 18px;
  }
  .sponsor-award-card__prize {
    font-size: 16px;
  }
  .sponsor-award-card__description {
    font-size: 13px;
    line-height: 1.5;
  }

  .media-sponsor-card {
    flex-direction: column;
    text-align: center;
  }

  .media-sponsor-card__logo {
    width: 100%;
  }

  .howto-links-link {
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }

  .howto-links-link:hover {
    padding-left: calc(var(--spacing-md) + 8px);
  }

  .howto-links-number {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .howto-links-title {
    font-size: 14px;
  }

  .howto-links-arrow {
    font-size: 18px;
  }

  .how-to-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .schedule-timeline::before {
    left: 20px;
  }

  .timeline-item {
    flex-direction: column;
    padding-left: 60px;
  }

  .timeline-item::before {
    left: 8px;
  }

  .timeline-item__date {
    width: 100%;
    padding-left: 0;
    margin-bottom: var(--spacing-xs);
  }

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

  .contest-bottom-cta__title {
    font-size: 28px;
  }

  .contest-bottom-cta__buttons {
    flex-direction: column;
  }

  .contest-bottom-cta__buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .contest-hero__title {
    font-size: 24px;
  }

  .theme-card {
    padding: var(--spacing-sm);
  }

  .theme-card__examples {
    grid-template-columns: repeat(2, 1fr);
  }

  .awards-category__title {
    font-size: 24px;
  }

  .how-to-step__number {
    width: 60px;
    height: 60px;
    font-size: 28px;
  }
}