:root{
  --bg:#ffffff;
  --bg2:#f6f7fb;
  --text:#0b0f19;
  --muted:#4b5563;
  --line:#e5e7eb;
  --shadow: 0 18px 40px rgba(15,23,42,.10);
  --radius:20px;

  --p1:#06b6d4;
  --p2:#22c55e;
  --g1:#ff3b7a;
  --g2:#ff7a2f;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

body{
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container{
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: rgba(255, 255, 255, 0.75); /* ← 透かし */
  backdrop-filter: blur(10px);           /* ← すりガラス */
  -webkit-backdrop-filter: blur(10px);

  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-mark{
  width:36px; height:36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--p1), var(--p2));
  box-shadow: 0 10px 18px rgba(0,0,0,.08);
}
.brand-text strong{ display:block; font-weight:900; letter-spacing:.02em; }
.brand-text small{ display:block; color: var(--muted); margin-top:2px; }

.menu{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.menu a{
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
  color: var(--text);
  border: 1px solid transparent;
}
.menu a:hover{
  background: #f3f4f6;
  border-color: #eef2f7;
}
.menu a.active{
  background:#eef2ff;
  border-color:#e0e7ff;
}
.menu a.cta{
  background: var(--text);
  color:#fff;
  border-color: var(--text);
}

/* ===== HERO ===== */
.hero{
  padding: 0 0 30px;
  background: linear-gradient(180deg, var(--bg), var(--bg2));
}
.hero-media{
  height: clamp(260px, 42vw, 520px);
  overflow: hidden;
  background:#000;
}
.hero-media picture,
.hero-media img{
  width:100%;
  height: auto;
  display: block;
}
.hero-media img{
  object-fit: cover;
  object-position: center;
  filter: brightness(1.06) contrast(1.03) saturate(1.03);
}
.hero-inner{
  padding: 26px 0 0;
}
.kicker{
  margin: 0 0 10px;
  letter-spacing: .14em;
  font-weight: 900;
  font-size: 12px;
  color: #6b7280;
}
.hero-title{
  margin: 0 0 12px;
  font-weight: 950;
  letter-spacing: .01em;
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.05;
}
.hero-lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 900;
  border: 1px solid #d1d5db;
  background:#fff;
  color: var(--text);
  min-width: 170px;
}
.btn.primary{
  border: none;
  color:#fff;
  background: linear-gradient(135deg, var(--p1), var(--p2));
}
.btn.gradient{
  border: none;
  color:#fff;
  background: linear-gradient(135deg, var(--g1), var(--g2));
}
.btn.ghost{
  background:#fff;
}
.btn:hover{ filter: brightness(0.98); }

.hero-sns{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
}
.sns{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background:#fff;
  font-weight: 900;
}
.sns.line{ border-color: rgba(6,199,85,.25); background: rgba(6,199,85,.10); }
.sns.ig{ border-color: rgba(255,59,122,.22); background: rgba(255,59,122,.10); }
.sns.yt{ border-color: rgba(200,0,0,.20); background: rgba(200,0,0,.08); }

.sns-badge{
  display:inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  background: #ffe04a;
  color: #111827;
  font-size: 12px;
  font-weight: 950;
}

/* ===== blocks ===== */
.block{
  padding: 54px 0;
}
.section-head{
  margin-bottom: 14px;
}
.section-head.row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 12px;
}
.section-head h2{
  margin:0;
  font-size: 22px;
  letter-spacing: .02em;
}
.sub{ margin: 6px 0 0; color: var(--muted); }
.more{
  display:inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background:#fff;
  font-weight: 900;
}

/* ===== Mission/Vision/Value ===== */
.mv{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.mv-item{
  background:#fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.mv-label{
  margin:0 0 10px;
  font-weight: 950;
  letter-spacing: .16em;
  font-size: 12px;
  color:#6b7280;
}
.mv-title{
  margin:0 0 10px;
  font-size: 20px;
  line-height: 1.25;
}
.mv-text{
  margin:0;
  color: var(--muted);
}

/* ===== Service ===== */
.service{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.service-card {
  text-align: center;          /* テキスト中央 */
  display: flex;
  flex-direction: column;
  align-items: center;         /* 横方向中央 */
  justify-content: center;     /* 縦方向中央 */
  padding: 32px 24px;
}
.service-card .number {
  font-size: 2.4rem;           /* ← 少し大きく */
  font-weight: 700;
  width: 44px;
  height: 44px;
  line-height: 44px;

  border-radius: 50%;
  background: #111827;         /* 黒 */
  color: #fff;

  margin-bottom: 12px;
}
.service-no{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #111827;
  color:#fff;
  font-weight: 950;
  font-size: 12px;
  letter-spacing: .08em;
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.service-card p {
  font-size: 0.9rem;
  color: #6b7280; /* 薄めグレー */
  line-height: 1.6;
}

/* ===== Panels / lists / grid ===== */
.panel{
  background:#fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.pad{ padding: 18px; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.list{
  display:flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}
.item{
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background:#fff;
}
.meta{
  display:flex;
  gap: 10px;
  align-items:center;
  color:#6b7280;
  font-size: 12px;
  margin-bottom: 8px;
}
.tag{
  display:inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 950;
  font-size: 11px;
  border: 1px solid var(--line);
  background: #f3f4f6;
}
.tag.open{ background:#ecfdf5; border-color:#a7f3d0; color:#065f46; }
.tag.closed{ background:#fef2f2; border-color:#fecaca; color:#991b1b; }

.link{
  display:inline-block;
  margin-top: 8px;
  color:#0369a1;
  font-weight: 950;
}
.muted{ color: var(--muted); }

/* ===== CTA ===== */
.ctaBlock{
  padding: 64px 0;
  background: #0b0f19;
  color:#fff;
}
.cta-inner h2{ margin:0 0 10px; font-size: 28px; }
.cta-inner p{ margin:0 0 16px; color: rgba(255,255,255,.78); }
.cta-inner .btn{ border: none; }

/* ===== Footer ===== */
.footer{
  border-top: 1px solid var(--line);
  background:#fff;
  padding: 22px 0;
}
.footer-row{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
  color:#6b7280;
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .mv, .service, .grid{ grid-template-columns: 1fr; }
  .btn{ width: 100%; min-width: unset; }
  .hero-actions{ flex-direction: column; }
}

@media (max-width: 768px){
  .container{ width: calc(100% - 26px); }
  .menu a{ padding: 8px 10px; font-size: 13px; }
  .hero-media{ height: 280px; }
}
/* ===== FORCE LIGHT THEME (最下部に追記) ===== */
html, body {
  background: #ffffff !important;
  color: #0b0f19 !important;
}

.header{
  background: rgba(255,255,255,.92) !important;
  border-bottom: 1px solid #e5e7eb !important;
}

.hero{
  background: #ffffff !important;
}

.block{
  background: #ffffff !important;
}

.panel, .item, .mv-item, .service-card{
  background: #ffffff !important;
  border: 1px solid #e5e7eb !important;
  color: #0b0f19 !important;
}

.sub, .muted, .meta{
  color: #4b5563 !important;
}

/* もしヒーロー画像が暗く見えるなら */
.hero-media img{
  filter: none !important;
}
/* ふわっと浮く：Serviceカード */
.service-card{
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  will-change: transform;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
}

/* PCのみ hover */
@media (hover:hover) and (pointer:fine){
  .service-card:hover{
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0,0,0,.12);
    border-color: rgba(0,0,0,.14);
  }

  /* 数字も少しだけ強調 */
  .service-card:hover .number{
    transform: scale(1.06);
  }
}

/* numberも滑らかに */
.service-card .number{
  transition: transform .18s ease, filter .18s ease;
}
/* =========================
   一覧カードを “見えやすく” する共通強化
   （大会情報 / 結果）
========================= */

:root{
  --card-bg: #ffffff;
  --card-border: rgba(15, 23, 42, .12); /* 少し濃い枠 */
  --card-shadow: 0 8px 24px rgba(15, 23, 42, .10);
  --muted: rgba(15, 23, 42, .65);
}

main{
  background: #f6f7fb; /* 白じゃなく“薄いグレー”にして区切りが見える */
}

/* 一覧の各カード（あなたの既存 .card .box .item どれでも効くように広めに指定） */
.card,
.card.box,
.list .item,
.result-item,
.tournament-card{
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: 18px;
}

/* カード間の余白を増やす（区切りが明確になる） */
.grid,
.list{
  gap: 14px;
}
.list .item,
.card.box,
.result-item,
.tournament-card{
  padding: 16px 16px;
  margin-bottom: 14px;
}

/* タイトルを太く＆読みやすく */
.list .item strong,
.card.box h3,
.result-item h3,
.tournament-card h3{
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.35;
}

/* サブ情報（会場、締切など）を薄く */
.small,
.meta,
.card.box p,
.result-item p,
.tournament-card p{
  color: var(--muted);
}

/* バッジ（募集/予定/終了）を見やすく */
.tag{
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(15,23,42,.04);
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.tag.open{ background: rgba(16,185,129,.14); border-color: rgba(16,185,129,.25); }
.tag.closed{ background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.22); }

/* ボタンも“カード内の要素”として見やすく */
.btn,
a.btn,
.card a,
.list a{
  font-weight: 800;
}

/* 要項PDF/申込ボタンが枠だけで薄い場合に強化 */
.btn,
a.btn{
  border: 1px solid rgba(15,23,42,.18);
}
.btn.primary,
a.btn.primary{
  border: none;
  box-shadow: 0 10px 24px rgba(16,185,129,.22);
}

/* タップしやすい高さ（スマホ） */
@media (max-width: 768px){
  .btn, a.btn{
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 16px;
  }
}
.hero-title {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  color: #111;
}

/* 弾む部分 */
.pop {
  display: inline-block;
  animation: popIn 0.8s cubic-bezier(.34,1.56,.64,1) both;
  animation-delay: 0.3s;
}

/* アニメーション定義 */
@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  60% {
    opacity: 1;
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}