/* 協賛ブース（共通CSSの変数を利用） */

.sponsor-hero {
  position: relative;
  padding: 4rem 1.5rem 2.75rem;
  border-bottom: var(--kfb-border);
  box-shadow: 0 8px 0 var(--kfb-black);
  background: radial-gradient(circle at 15% 20%, rgba(255, 215, 0, 0.55), transparent 58%),
    radial-gradient(circle at 85% 30%, rgba(0, 206, 209, 0.45), transparent 55%),
    radial-gradient(circle at 70% 85%, rgba(255, 20, 147, 0.45), transparent 55%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.88));
  overflow: hidden;
}

.sponsor-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  padding: 1.2rem 1.25rem;
  background: rgba(255, 255, 255, 0.92);
  border: var(--kfb-border);
  box-shadow: var(--kfb-shadow);
  border-radius: 12px;
}

.sponsor-hero-tag {
  display: inline-block;
  font-family: var(--font-pop);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 2px solid var(--kfb-black);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 2px 2px 0 var(--kfb-black);
  margin-bottom: 1.15rem;
}

.sponsor-hero-title {
  margin: 0 0 0.65rem;
}

.sponsor-hero-title-main {
  display: block;
}

.sponsor-hero-logo {
  display: block;
  max-width: min(280px, 70vw);
  height: auto;
  margin: 0 auto 0.5rem;
}

.sponsor-hero-title-text {
  display: block;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.1rem);
  color: var(--kfb-black);
  text-shadow: 3px 3px 0 #fff, 5px 5px 0 var(--kfb-black);
  line-height: 1.25;
}

.sponsor-hero-lead {
  margin: 0;
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  line-height: 1.7;
}

.sponsor-section {
  padding: 2.75rem 1.5rem;
  background: #fff;
}

/* グルメ・ステージ・シェアなどと同じパステル縦ストライプ */
.sponsor-section.sponsor-section--stripe {
  background-color: #e6f4ff;
  background-image: repeating-linear-gradient(90deg,
      #e6f4ff 0px,
      #e6f4ff 40px,
      #e8e0f2 40px,
      #e8e0f2 80px,
      #ffdde8 80px,
      #ffdde8 120px,
      #ffddc8 120px,
      #ffddc8 160px,
      #fff4c8 160px,
      #fff4c8 200px,
      #d8f0e8 200px,
      #d8f0e8 240px,
      #e6f4ff 240px,
      #e6f4ff 280px);
  background-position: 0 0;
  background-repeat: repeat;
  background-size: 280px 100%;
}

.sponsor-section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.sponsor-section-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.2vw, 1.7rem);
  padding: 0.35rem 0.9rem;
  display: inline-block;
  background: #fff;
  border: 3px solid var(--kfb-black);
  border-radius: 999px;
  box-shadow: 3px 3px 0 var(--kfb-black);
}

.sponsor-section-lead {
  margin: 0.25rem 0 1.2rem;
  line-height: 1.8;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.sponsor-card {
  display: flex;
  gap: 0.9rem;
  background: rgba(255, 255, 255, 0.96);
  border: var(--kfb-border);
  box-shadow: var(--kfb-shadow);
  border-radius: 14px;
  padding: 1.1rem 1.05rem;
}

.sponsor-no {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.25rem 0.6rem;
  background: #fff;
  border: 2px solid var(--kfb-black);
  border-radius: 999px;
  box-shadow: 2px 2px 0 var(--kfb-black);
  height: fit-content;
}

.sponsor-body {
  flex: 1 1 auto;
  min-width: 0;
}

.sponsor-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.sponsor-name {
  margin: 0;
  font-family: var(--font-pop);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--kfb-black);
}

.sponsor-day {
  display: inline-block;
  padding: 0.18rem 0.55rem 0.22rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(255, 20, 147, 0.12);
  border: 1px solid rgba(255, 20, 147, 0.25);
  color: var(--kfb-black);
  white-space: nowrap;
}

.sponsor-day--alt {
  background: rgba(0, 206, 209, 0.12);
  border-color: rgba(0, 206, 209, 0.28);
}

.sponsor-desc {
  margin: 0.55rem 0 0;
  line-height: 1.8;
}

.sponsor-desc--pending {
  opacity: 0.78;
}

@media (max-width: 768px) {
  .sponsor-hero {
    padding: 3.5rem 1rem 2.25rem;
  }

  .sponsor-section {
    padding: 2.25rem 1rem;
  }

  .sponsor-grid {
    gap: 0.8rem;
  }

  .sponsor-card {
    padding: 1rem 0.95rem;
  }
}