/* ═══════════════════════════════════════════
   SPONSORS PAGE STYLES
═══════════════════════════════════════════ */

/* ヒーローのアイコン */
.page-hero-icon {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  filter: drop-shadow(0 0 12px rgba(240, 100, 100, 0.5));
  animation: sponsorIconSpin 8s ease-in-out infinite;
}
@keyframes sponsorIconSpin {
  0%, 100% { transform: rotate(-3deg) scale(1); }
  50%      { transform: rotate(3deg) scale(1.06); }
}

/* ─ イントロセクション ─ */
.sponsors-intro-section {
  padding-top: 40px;
  padding-bottom: 20px;
}
.sponsors-intro {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 80px;
  text-align: center;
  border-radius: 18px;
  background: linear-gradient(135deg,
    rgba(240, 190, 80, 0.1) 0%,
    rgba(224, 120, 152, 0.08) 100%);
  border: 1px solid rgba(240, 190, 80, 0.3);
}
.intro-icon {
  position: absolute;
  width: 48px;
  height: 48px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.85;
  filter: drop-shadow(0 0 10px rgba(240, 190, 80, 0.4));
  animation: introIconBob 3.5s ease-in-out infinite;
}
.intro-icon.left  { left: 20px; }
.intro-icon.right { right: 20px; animation-delay: 1.2s; }
@keyframes introIconBob {
  0%, 100% { transform: translateY(-50%); }
  50%      { transform: translateY(calc(-50% - 6px)); }
}
.sponsors-intro-text {
  font-family: var(--font-ja);
  font-size: 1rem;
  line-height: 2;
  color: rgba(255, 248, 240, 0.9);
}

/* ─ 賞品テーブル ─ */
.sponsors-list-section {
  padding-top: 60px;
  padding-bottom: 60px;
}

.sponsors-table-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px;
  overflow-x: auto;
}

.sponsors-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ja);
  min-width: 720px;
}

.sponsors-table thead th {
  padding: 18px 16px;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-white);
  background: linear-gradient(135deg,
    rgba(155, 114, 207, 0.35) 0%,
    rgba(123, 78, 168, 0.25) 100%);
  border-bottom: 2px solid rgba(155, 114, 207, 0.5);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

.sponsors-table thead th:first-child { border-top-left-radius: 12px; }
.sponsors-table thead th:last-child  { border-top-right-radius: 12px; }

.sponsors-table tbody td {
  padding: 22px 16px;
  font-size: 0.93rem;
  border-bottom: 1px solid rgba(155, 114, 207, 0.15);
  vertical-align: middle;
  color: rgba(255, 248, 240, 0.85);
  line-height: 1.6;
}

.sponsors-table tbody tr {
  transition: background 0.25s ease;
}
.sponsors-table tbody tr:hover {
  background: rgba(155, 114, 207, 0.08);
}

.col-award   { width: 26%; }
.col-cond    { width: 28%; color: var(--c-dim) !important; font-size: 0.86rem !important; }
.col-sponsor { width: 22%; }
.col-prize   { width: 24%; }

.award-name {
  font-family: var(--font-ja);
  font-weight: 600;
  color: var(--c-white);
  font-size: 1rem;
  display: inline-block;
  position: relative;
  padding-left: 14px;
}
.award-name::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--c-gold);
  box-shadow: 0 0 6px rgba(240, 190, 80, 0.6);
}

.prize-tag {
  display: inline-block;
  padding: 6px 14px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--c-gold);
  background: rgba(240, 190, 80, 0.12);
  border: 1px solid rgba(240, 190, 80, 0.4);
  border-radius: 8px;
  letter-spacing: 0.03em;
}

.placeholder-row td {
  text-align: center;
  color: var(--c-dim);
  font-style: italic;
  padding: 20px;
}

/* ─ 協賛募集セクション ─ */
.sponsors-call-section {
  padding: 40px 24px 80px;
}
.sponsors-call {
  max-width: 700px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
  border-radius: 18px;
  background: linear-gradient(135deg,
    rgba(80, 140, 220, 0.08) 0%,
    rgba(155, 114, 207, 0.08) 100%);
  border: 1px solid rgba(155, 114, 207, 0.3);
}
.call-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 10px rgba(155, 114, 207, 0.4));
  animation: callIconSwing 2.5s ease-in-out infinite;
}
@keyframes callIconSwing {
  0%, 100% { transform: rotate(-6deg); }
  50%      { transform: rotate(6deg); }
}
.call-title {
  font-family: var(--font-ja);
  font-size: 1.4rem;
  color: var(--c-white);
  margin-bottom: 14px;
}
.call-desc {
  color: var(--c-dim);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 28px;
}

/* ─ レスポンシブ ─ */
@media (max-width: 800px) {
  .sponsors-intro { padding: 40px 24px; }
  .intro-icon { display: none; }
  .sponsors-intro-text { font-size: 0.92rem; }
  .sponsors-table thead th { padding: 14px 12px; font-size: 0.78rem; }
  .sponsors-table tbody td { padding: 18px 12px; font-size: 0.85rem; }
  .award-name { font-size: 0.92rem; }
  .prize-tag { font-size: 0.8rem; padding: 5px 10px; }
}