@charset "utf-8";

/* =========================================================
   RE:CREATION 2026 - 出場選手 (sennsyu.css)
   【ゾーンA: 去年の魚のうろこ背景 × ロイヤルゴールド】
   アコーディオン開閉エラー完全修正 ＆ タップしやすいタイルボタン
   ========================================================= */

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;
}

.sennsyu-main {
  max-width: 1200px;
  width: 92%;
  margin: 3.5rem auto 7rem;
}

.breadcrumb {
  max-width: 1200px;
  width: 92%;
  margin: 1.5rem auto 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--color-accent);
  transition: opacity 0.2s;
}

.breadcrumb a:hover {
  opacity: 0.8;
}

.breadcrumb .sep {
  opacity: 0.5;
}

.breadcrumb .current {
  color: #FFFFFF;
  font-weight: 700;
}

/* タイトルエリア */
.sennsyu-title {
  text-align: center;
  background: rgba(11, 63, 94, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1.5px solid rgba(254, 200, 56, 0.5);
  border-radius: 24px;
  padding: 3rem 2rem;
  box-shadow: 0 14px 40px rgba(5, 30, 48, 0.45), 0 0 25px rgba(254, 200, 56, 0.2);
  margin-bottom: 3.5rem;
}

.sennsyu-title h2 {
  color: #FEC838;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: 2px;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
}

.sennsyu-text-box h4 {
  margin-top: 1.2rem;
  font-size: 1.15rem;
  text-align: center;
  color: #E2EEFB;
  font-weight: 700;
  letter-spacing: 1px;
}

/* アコーディオン全体 */
.accordion {
  width: min(960px, 95%);
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  margin: 0 auto;
}

.item {
  border-radius: 18px;
  overflow: hidden;
  border: 1.5px solid rgba(254, 200, 56, 0.4);
  background: rgba(11, 63, 94, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(5, 30, 48, 0.4);
  transition: border-color var(--trans-smooth), box-shadow var(--trans-smooth);
}

.item:hover {
  border-color: rgba(254, 200, 56, 0.85);
  box-shadow: 0 14px 40px rgba(5, 30, 48, 0.5), 0 0 20px rgba(254, 200, 56, 0.3);
}

/* アコーディオントリガー（見出し部） */
.trigger {
  display: flex;
  flex-direction: column;
  background: rgba(16, 90, 135, 0.9);
  padding: 20px 28px;
  color: #FFFFFF;
  cursor: pointer;
  position: relative;
  width: 100%;
  border-left: 6px solid #FEC838;
  user-select: none;
  transition: background 0.25s ease;
}

.trigger:hover {
  background: rgba(22, 116, 166, 0.95);
}

.trigger .title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FEC838;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  padding: 0.1rem 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.trigger .subtitle {
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: 4px;
  color: #D6E4F5;
}

/* 展開矢印アイコン */
.trigger::before {
  content: "";
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #FEC838;
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.trigger::after {
  content: "";
  position: absolute;
  right: 34px;
  top: 48%;
  width: 9px;
  height: 9px;
  border-bottom: 2.5px solid #0B1736;
  border-right: 2.5px solid #0B1736;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.3s ease, top 0.3s ease;
  pointer-events: none;
}

/* 開いたときの矢印回転 */
.accordion input:checked + .trigger::before {
  background: #FFFFFF;
}

.accordion input:checked + .trigger::after {
  transform: translateY(-30%) rotate(-135deg);
  border-color: #0B1736;
}

/* 展開パネル（アコーディオン本体: 閉じるエラー完全修復） */
.panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 2.5rem;
  background: rgba(8, 47, 73, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, padding 0.4s ease;
}

.accordion input:checked + .trigger + .panel {
  max-height: 2500px;
  opacity: 1;
  padding: 2rem 2.5rem 2.5rem;
  border-top: 1.5px solid rgba(254, 200, 56, 0.4);
}

.panel ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel li {
  margin: 0;
  padding: 0;
}

/* 各クラスボタン（指で押しやすいゴールドタイル調） */
/* 各クラスボタン（サイバースポーツ・ネオンタイルボタン） */
.panel a {
  background: rgba(6, 26, 44, 0.90) !important;
  color: #FFFFFF !important;
  border: 1.5px solid rgba(56, 182, 240, 0.55) !important;
  border-radius: 12px !important;
  box-shadow: 0 4px 16px rgba(2, 18, 32, 0.6) !important;
  font-family: var(--font-display) !important;
  font-weight: 800 !important;
  font-size: 1.05rem !important;
  letter-spacing: 0.5px !important;
  padding: 12px 20px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  text-decoration: none !important;
  transition: all var(--trans-smooth) !important;
  cursor: pointer;
  position: relative;
}

.panel a::after {
  content: "PREP";
  font-size: 9px;
  font-weight: 900;
  background: rgba(254, 200, 56, 0.25);
  color: #FEC838;
  border: 1px solid rgba(254, 200, 56, 0.6);
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 6px;
  letter-spacing: 0.5px;
}

.panel a:hover {
  transform: translateY(-3px) scale(1.05) !important;
  background: rgba(14, 45, 75, 0.98) !important;
  border-color: #FEC838 !important;
  box-shadow: 0 8px 25px rgba(2, 18, 32, 0.7), 0 0 20px rgba(254, 200, 56, 0.5) !important;
  color: #FEC838 !important;
}

.panel a:active {
  transform: translateY(-1px) !important;
}

@media screen and (max-width: 768px) {
  body {
    background-size: min(100vw, 420px) auto, 100% 100%, 100% 100%, 100% 100% !important;
    background-position: center 20px, center, center, center !important;
    background-attachment: scroll !important;
  }
  .sennsyu-main {
    width: 94%;
    margin: 1.5rem auto 4.5rem;
  }
  .sennsyu-title {
    padding: 1.6rem 1.0rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
  }
  .sennsyu-title h2 {
    font-size: clamp(1.5rem, 5.5vw, 1.8rem);
    letter-spacing: 1.5px;
  }
  .sennsyu-text-box h4 {
    font-size: 0.92rem;
    margin-top: 0.6rem;
  }
  .accordion {
    width: 100%;
    gap: 1.2rem;
  }
  .item {
    border-radius: 14px;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
  }
  .trigger {
    padding: 14px 18px;
  }
  .trigger .title {
    font-size: 1.15rem;
  }
  .trigger::before {
    right: 14px;
    width: 26px;
    height: 26px;
  }
  .trigger::after {
    right: 23px;
  }
  .accordion input:checked + .trigger + .panel {
    padding: 1.2rem 1.0rem 1.4rem;
  }
  .panel a {
    font-size: 0.88rem !important;
    padding: 7px 12px !important;
    border-radius: 8px !important;
  }
}