@charset "utf-8";

/* =========================================================
   RE:CREATION 2026 - 注意事項 (cyuui.css)
   【出場選手ページと100%調和するアリーナ・グラスモーフィズムUI】
   ========================================================= */

body {
  background-color: #071E30 !important;
  background-image:
    url("../images/arena-court-lines.svg"),
    linear-gradient(135deg, rgba(56, 182, 240, 0.22) 0%, rgba(44, 159, 216, 0.08) 35%, transparent 65%),
    linear-gradient(225deg, rgba(254, 200, 56, 0.18) 0%, rgba(255, 165, 2, 0.05) 30%, transparent 60%),
    linear-gradient(180deg, #071E30 0%, #0D3E5E 35%, #125A82 65%, #082840 100%) !important;
  background-repeat: no-repeat !important;
  background-position: center top, center, center, center !important;
  background-size: cover, 100% 100%, 100% 100%, 100% 100% !important;
  background-attachment: fixed !important;
}

.caution-main {
  max-width: 1100px;
  width: 92%;
  margin: 3.5rem auto 7rem;
  position: relative;
  z-index: 10;
}

/* 注意事項カードグリッド */
.event-guidelines {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.caution-card {
  background: rgba(6, 26, 44, 0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(56, 182, 240, 0.35);
  border-top: 4px solid var(--color-primary-bright);
  border-radius: 20px;
  padding: 2.5rem 2.8rem;
  box-shadow: 0 14px 40px rgba(2, 18, 32, 0.55);
  transition: all var(--trans-smooth);
}

.caution-card:hover {
  border-color: rgba(56, 182, 240, 0.7);
  box-shadow: 0 18px 45px rgba(2, 18, 32, 0.65), 0 0 20px rgba(56, 182, 240, 0.15);
  transform: translateY(-3px);
}

.caution-card:nth-child(2) {
  border-top-color: #FFA502;
}

.caution-card:nth-child(3) {
  border-top-color: #38B6F0;
}

.caution-card:nth-child(4) {
  border-top-color: #FEC838;
}

.caution-card:nth-child(5) {
  border-top-color: #FF6B4A;
}

/* カードヘッダー */
.caution-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.8rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.caution-card-header i {
  color: var(--color-accent);
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.caution-card-header h3 {
  font-size: 1.45rem;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 0.5px;
  margin: 0;
}

/* リストアイテム */
.caution-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.caution-list li {
  position: relative;
  padding-left: 28px;
  font-size: 1.05rem;
  line-height: 1.9;
  color: #EBF4FC;
  font-weight: 500;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.caution-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(255, 165, 2, 0.8);
}

.caution-list .cos-link {
  color: var(--color-primary-bright);
  text-decoration: underline;
  font-weight: 700;
  transition: color 0.2s;
}

.caution-list .cos-link:hover {
  color: var(--color-accent);
}

@media screen and (max-width: 680px) {
  .caution-main {
    margin: 2rem auto 5rem;
  }
  .caution-card {
    padding: 1.6rem 1.3rem;
    border-radius: 16px;
    background: rgba(6, 26, 44, 0.94) !important;
  }
  .caution-card-header h3 {
    font-size: 1.2rem;
  }
  .caution-list li {
    font-size: 0.90rem;
    line-height: 1.7;
    padding-left: 22px;
  }
}