/* =============================================
   sus4 Gaming - メインスタイルシート
   ============================================= */

/* ===== CSS変数 ===== */
:root {
  --bg-primary:    #050B18;
  --bg-secondary:  #0A1628;
  --bg-card:       #0D1F3C;
  --bg-card-hover: #112240;
  --color-primary: #00AAFF;
  --color-accent:  #00FFCC;
  --color-white:   #FFFFFF;
  --color-text:    #B8D4E8;
  --color-muted:   #6A8FAF;
  --color-border:  rgba(0, 170, 255, 0.2);
  --color-border-hover: rgba(0, 170, 255, 0.5);
  --gradient-primary: linear-gradient(135deg, #00AAFF 0%, #00FFCC 100%);
  --gradient-dark:    linear-gradient(135deg, #050B18 0%, #0D1F3C 100%);
  --gradient-card:    linear-gradient(135deg, rgba(0,170,255,0.05) 0%, rgba(0,255,204,0.03) 100%);
  --font-base: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --font-display: 'Arial Black', 'Arial Bold', Arial, sans-serif;
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 170, 255, 0.2);
  --transition: 0.25s ease;
  --header-h: 72px;
  --section-pad: clamp(64px, 8vw, 120px);
}

/* ===== リセット ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-base);
  background-color: var(--bg-primary);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; color: var(--color-white); font-weight: 700; }

/* ===== グリッド背景 ===== */
.bg-grid {
  background-image: url('../images/bg-grid.svg');
  background-size: 60px 60px;
  background-position: center;
}
.bg-grid-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,170,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* ===== コンテナ ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}
.container--wide  { max-width: 1440px; }
.container--narrow { max-width: 800px; }

/* ===== セクション共通 ===== */
.section { padding-block: var(--section-pad); position: relative; }
.section--dark { background-color: var(--bg-secondary); }
.section--card { background-color: var(--bg-card); }

.section-header { text-align: center; margin-bottom: clamp(32px, 5vw, 64px); }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-title span { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc { max-width: 600px; margin-inline: auto; color: var(--color-text); font-size: 1rem; }

/* ===== ヘッダー・ナビ ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(5, 11, 24, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.site-header.scrolled {
  background: rgba(5, 11, 24, 0.96);
  border-bottom-color: var(--color-border);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
  gap: 24px;
}
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 40px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.is-current { color: var(--color-white); background: rgba(0,170,255,0.1); }

/* ドロップダウン */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10,22,40,0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  transform: translateX(-50%) translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.dropdown.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.dropdown li a:hover { background: rgba(0,170,255,0.1); color: var(--color-white); }

/* ハンバーガー */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-overlay {
  position: fixed; inset: 0; z-index: 998;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.nav-overlay.is-visible { opacity: 1; visibility: visible; }

/* ===== ヒーローセクション ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
  background: var(--gradient-dark);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url('../images/bg-grid.svg');
  background-size: 60px 60px;
  opacity: 0.6;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,170,255,0.12) 0%, transparent 70%);
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center;
  width: 100%;
  padding-block: clamp(48px, 10vw, 120px);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background: rgba(0,170,255,0.05);
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50% { opacity: 0.2; }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-white);
  line-height: 1.0;
  margin-bottom: 16px;
}
.hero-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.hero-sub {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: var(--color-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 48px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.7rem; letter-spacing: 0.2em; color: var(--color-muted);
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--gradient-primary);
  color: #0A0F1E;
  box-shadow: 0 4px 20px rgba(0,170,255,0.3);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(0,170,255,0.5); color: #0A0F1E; }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: rgba(0,170,255,0.08); color: var(--color-white); }
.btn-ghost { color: var(--color-primary); padding: 8px 0; }
.btn-ghost::after { content: ' →'; transition: margin var(--transition); }
.btn-ghost:hover::after { margin-left: 4px; }
.btn-sm { padding: 8px 20px; font-size: 0.78rem; }
.btn-lg { padding: 18px 44px; font-size: 0.95rem; }

/* ===== カード共通 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.card-body { padding: clamp(20px, 3vw, 32px); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--bg-secondary); }
.card-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  margin-bottom: 10px;
}
.card-title { font-size: 1.1rem; font-weight: 700; color: var(--color-white); margin-bottom: 8px; }
.card-desc { font-size: 0.88rem; color: var(--color-text); line-height: 1.6; }

/* ===== グリッドレイアウト ===== */
.grid { display: grid; gap: clamp(16px, 3vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-auto-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

/* ===== 選手カード ===== */
.player-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.player-card:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-glow); transform: translateY(-6px); }
.player-card-img {
  width: 100%;
  aspect-ratio: 5/6;
  object-fit: cover;
  background: var(--bg-secondary);
}
.player-card-body { padding: 20px; }
.player-card-role {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.player-card-name { font-size: 1.4rem; font-weight: 900; color: var(--color-white); margin-bottom: 4px; }
.player-card-real { font-size: 0.8rem; color: var(--color-muted); margin-bottom: 12px; }
.player-card-game {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text);
  padding: 4px 10px;
  background: rgba(0,170,255,0.08);
  border-radius: 20px;
  margin-bottom: 12px;
}
.player-card-comment { font-size: 0.84rem; color: var(--color-text); line-height: 1.6; font-style: italic; margin-bottom: 16px; }
.player-card-sns { display: flex; gap: 10px; }
.player-card-sns a {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.8rem;
  transition: border-color var(--transition), color var(--transition);
}
.player-card-sns a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.player-card-badge {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}
.badge-official { background: rgba(0,170,255,0.2); color: var(--color-primary); border: 1px solid rgba(0,170,255,0.4); }
.badge-support  { background: rgba(0,255,204,0.15); color: var(--color-accent); border: 1px solid rgba(0,255,204,0.3); }
.badge-community { background: rgba(255,255,255,0.08); color: #AAB8CC; border: 1px solid rgba(255,255,255,0.15); }

/* ===== ニュースカード ===== */
.news-card { display: flex; flex-direction: column; height: 100%; }
.news-card .card-body { flex: 1; display: flex; flex-direction: column; }
.news-card .card-title { flex: 1; }
.news-card-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.news-date { font-size: 0.78rem; color: var(--color-muted); }

/* ===== スポンサーカード ===== */
.sponsor-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 100px;
  transition: border-color var(--transition), background var(--transition);
}
.sponsor-card:hover { border-color: var(--color-border-hover); background: rgba(0,170,255,0.05); }
.sponsor-placeholder {
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-align: center;
}

/* ===== コミュニティカード ===== */
.community-card {
  padding: clamp(20px, 3vw, 32px);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.community-card:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-glow); }
.community-card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: rgba(0,170,255,0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.community-card-title { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 8px; }
.community-card-desc { font-size: 0.85rem; color: var(--color-text); line-height: 1.6; }

/* ===== イベントカード ===== */
.event-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.event-card:hover { border-color: var(--color-border-hover); transform: translateX(4px); }
.event-date-block {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
  padding: 8px;
  background: rgba(0,170,255,0.08);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.event-date-month { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; color: var(--color-primary); text-transform: uppercase; }
.event-date-day { font-size: 1.8rem; font-weight: 900; color: var(--color-white); line-height: 1; }
.event-info { flex: 1; }
.event-title { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 6px; }
.event-meta { font-size: 0.8rem; color: var(--color-muted); margin-bottom: 8px; }
.event-desc { font-size: 0.85rem; color: var(--color-text); }

/* ===== PR注記 ===== */
.pr-notice {
  background: rgba(0,170,255,0.05);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-block: 24px;
  font-size: 0.82rem;
  color: var(--color-text);
  line-height: 1.7;
}
.pr-notice strong { color: var(--color-primary); }

/* ===== バッジ・タグ ===== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 20px;
  border: 1px solid;
}
.tag-blue   { color: var(--color-primary); border-color: rgba(0,170,255,0.4); background: rgba(0,170,255,0.1); }
.tag-teal   { color: var(--color-accent);  border-color: rgba(0,255,204,0.3); background: rgba(0,255,204,0.08); }
.tag-gray   { color: var(--color-muted);   border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.04); }
.tag-pr     { color: #FFB800; border-color: rgba(255,184,0,0.4); background: rgba(255,184,0,0.08); }

/* ===== CTA セクション ===== */
.cta-section {
  text-align: center;
  padding-block: var(--section-pad);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,170,255,0.1) 0%, transparent 70%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-title { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 900; color: var(--color-white); margin-bottom: 16px; }
.cta-desc { color: var(--color-text); margin-bottom: 40px; max-width: 500px; margin-inline: auto; margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 統計カウンター ===== */
.stats-grid { display: flex; gap: 0; flex-wrap: wrap; }
.stat-item {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 32px 24px;
  border-right: 1px solid var(--color-border);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label { font-size: 0.78rem; color: var(--color-muted); letter-spacing: 0.1em; margin-top: 6px; }

/* ===== ゲアカード ===== */
.gear-card { position: relative; }
.gear-card-img { width: 100%; aspect-ratio: 4/3; object-fit: contain; padding: 24px; background: var(--bg-secondary); }
.gear-tag { position: absolute; top: 12px; left: 12px; }
.gear-price { font-size: 0.9rem; font-weight: 700; color: var(--color-white); margin-block: 8px; }
.gear-price span { font-size: 0.75rem; color: var(--color-muted); font-weight: 400; }
.gear-affiliate-link {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  background: rgba(0,170,255,0.08);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: background var(--transition), border-color var(--transition);
}
.gear-affiliate-link:hover { background: rgba(0,170,255,0.15); border-color: var(--color-primary); }

/* ===== サービスカード ===== */
.service-card {
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-card-cat { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.15em; color: var(--color-primary); margin-bottom: 8px; }
.service-card-name { font-size: 1.1rem; font-weight: 700; color: var(--color-white); margin-bottom: 12px; }
.service-card-desc { font-size: 0.85rem; color: var(--color-text); line-height: 1.6; margin-bottom: 20px; }
.service-card-cta { display: flex; gap: 10px; flex-wrap: wrap; }

/* ===== パートナーメニューカード ===== */
.partner-menu {
  padding: clamp(24px, 3vw, 40px);
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.partner-menu:hover { border-color: var(--color-border-hover); transform: translateY(-4px); }
.partner-menu-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.5;
}
.partner-menu-title { font-size: 1.1rem; font-weight: 700; color: var(--color-white); margin-bottom: 10px; }
.partner-menu-desc { font-size: 0.85rem; color: var(--color-text); line-height: 1.6; }
.partner-menu-list { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.partner-menu-list li { font-size: 0.82rem; color: var(--color-text); padding-left: 14px; position: relative; }
.partner-menu-list li::before { content: '→'; position: absolute; left: 0; color: var(--color-primary); font-size: 0.75rem; }

/* ===== 区切り線 ===== */
.divider { width: 48px; height: 3px; background: var(--gradient-primary); border-radius: 2px; margin-block: 24px; }
.divider-center { margin-inline: auto; }

/* ===== ページヘッダー ===== */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(48px, 8vw, 96px));
  padding-bottom: clamp(48px, 8vw, 96px);
  background: var(--gradient-dark);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url('../images/bg-grid.svg');
  background-size: 60px 60px;
  opacity: 0.5;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(0,170,255,0.1) 0%, transparent 70%);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.page-hero-desc { font-size: clamp(0.95rem, 2vw, 1.1rem); color: var(--color-text); max-width: 560px; }

/* ===== パンくず ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  font-size: 0.78rem;
  color: var(--color-muted);
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }

/* ===== テーブル ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
th { font-weight: 700; color: var(--color-white); background: rgba(0,170,255,0.05); }
td { color: var(--color-text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(0,170,255,0.03); }

/* ===== リスト ===== */
.styled-list { display: flex; flex-direction: column; gap: 10px; }
.styled-list li {
  padding: 12px 16px;
  padding-left: 40px;
  background: rgba(0,170,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--color-text);
  position: relative;
}
.styled-list li::before {
  content: '✓';
  position: absolute;
  left: 14px;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== アコーディオン ===== */
.accordion-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 8px; }
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: rgba(0,170,255,0.04);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  transition: background var(--transition);
}
.accordion-trigger:hover { background: rgba(0,170,255,0.08); }
.accordion-trigger::after { content: '+'; font-size: 1.2rem; color: var(--color-primary); transition: transform var(--transition); }
.accordion-item.is-open .accordion-trigger::after { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.accordion-item.is-open .accordion-body { max-height: 500px; }
.accordion-inner { padding: 0 20px 20px; font-size: 0.88rem; color: var(--color-text); line-height: 1.8; }

/* ===== タブ ===== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 32px; flex-wrap: wrap; }
.tab-btn {
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn.is-active, .tab-btn:hover { color: var(--color-white); }
.tab-btn.is-active { border-bottom-color: var(--color-primary); color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ===== フォーム ===== */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-white); margin-bottom: 8px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-textarea { min-height: 140px; resize: vertical; }

/* ===== アラート ===== */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.alert-info { background: rgba(0,170,255,0.08); border: 1px solid rgba(0,170,255,0.3); color: var(--color-text); }
.alert-warn { background: rgba(255,184,0,0.08); border: 1px solid rgba(255,184,0,0.3); color: #FFD566; }

/* ===== フッター ===== */
.site-footer {
  background: #030814;
  border-top: 1px solid var(--color-border);
  padding-top: clamp(48px, 6vw, 80px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--color-border);
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand-desc { font-size: 0.82rem; color: var(--color-muted); line-height: 1.7; margin-bottom: 20px; }
.footer-sns { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-sns a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
}
.footer-sns a:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(0,170,255,0.08); }
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 16px;
}
.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { font-size: 0.82rem; color: var(--color-muted); transition: color var(--transition); }
.footer-nav a:hover { color: var(--color-primary); }
.footer-bottom {
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.75rem; color: var(--color-muted); }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-legal a { font-size: 0.72rem; color: var(--color-muted); }
.footer-legal a:hover { color: var(--color-primary); }
.footer-disclaimer {
  font-size: 0.72rem;
  color: var(--color-muted);
  line-height: 1.7;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 16px;
}

/* ===== アニメーション ===== */
.fade-in, .slide-up, .slide-in-left, .slide-in-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in { }
.slide-up { transform: translateY(30px); }
.slide-in-left { transform: translateX(-30px); }
.slide-in-right { transform: translateX(30px); }
.fade-in.is-visible,
.slide-up.is-visible,
.slide-in-left.is-visible,
.slide-in-right.is-visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ===== ユーティリティ ===== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-muted   { color: var(--color-muted); }
.text-white   { color: var(--color-white); }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 32px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 32px; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 32px; }

/* ===== レスポンシブ ===== */
@media (max-width: 1023px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100dvh;
    background: rgba(5,11,24,0.98);
    backdrop-filter: blur(24px);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--header-h) + 16px) 16px 32px;
    gap: 2px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
  }
  .nav-menu.is-open { transform: translateX(0); }
  .nav-menu > li > a { padding: 14px 16px; font-size: 0.9rem; border-radius: var(--radius-md); }
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 16px;
  }
  .has-dropdown.is-expanded .dropdown { display: block; }
  .dropdown li a { padding: 10px 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  :root { --header-h: 60px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stat-item:last-child { border-bottom: none; }
  .event-card { flex-direction: column; gap: 12px; }
  .event-date-block { width: 100%; display: flex; gap: 8px; align-items: center; justify-content: flex-start; padding: 10px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-cta { flex-direction: column; align-items: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .tabs { gap: 2px; }
  .tab-btn { padding: 8px 14px; font-size: 0.8rem; }
  .partner-menu-num { font-size: 2rem; }
}

@media (max-width: 480px) {
  .btn { padding: 12px 24px; font-size: 0.82rem; }
  .btn-lg { padding: 14px 28px; }
  .grid-auto, .grid-auto-sm { grid-template-columns: 1fr; }
}

/* ===== 印刷 ===== */
@media print {
  .site-header, .site-footer, .hero-scroll, .nav-toggle { display: none; }
  body { background: white; color: black; }
  .card { border: 1px solid #ccc; }
}