/* ==========================================================
   Exe.Gaming — Header / Logo
   ロゴ (テキスト + マーク + ワードマーク) + 常時アニメ
   全 7 ページで共通。
   ※ header.nav 自体 (背景・幅・border) と .nav-cta.is-firing 等の
   ページ固有バリアントは各 HTML にインラインで残す。
   ========================================================== */

.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.22em;
  position: relative; overflow: hidden;
  padding-bottom: 2px;
  transition: letter-spacing 0.45s cubic-bezier(.2,.7,.2,1), text-shadow 0.3s, color 0.25s;
}
.logo:hover {
  letter-spacing: 0.26em;
  text-shadow: 0 0 14px rgba(0, 255, 198, 0.30);
}
.logo .mark {
  font-weight: 600;
  background: var(--grad-text); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.logo::before {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 255, 198, 0.85) 50%, transparent 100%);
  filter: drop-shadow(0 0 3px rgba(0, 255, 198, 0.45));
  transition: width 0.45s cubic-bezier(.2,.7,.2,1);
  pointer-events: none;
}
.logo:hover::before { width: 100%; }
@media (prefers-reduced-motion: reduce) {
  .logo:hover { letter-spacing: 0.22em; text-shadow: none; }
  .logo::before { transition: none; }
}

/* ===== ロゴマーク (subdivided icosahedron + 内部 octahedron) ===== */
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; flex-shrink: 0;
  color: #00ffc6;
  filter: drop-shadow(0 0 3px rgba(0, 255, 198, 0.26));
  transition: filter 0.3s ease, color 0.3s ease, transform 0.5s cubic-bezier(.2,.7,.2,1);
}
.logo-mark svg {
  width: 100%; height: 100%; display: block;
  animation: logoMarkFloat 6.4s ease-in-out infinite;
  will-change: transform;
}
.logo:hover .logo-mark {
  filter:
    drop-shadow(0 0 6px rgba(0, 255, 198, 0.48))
    drop-shadow(0 0 12px rgba(108, 123, 255, 0.14));
  transform: rotate(8deg);
}
@keyframes logoMarkFloat {
  0%   { transform: translateY(0) rotate(0deg); }
  25%  { transform: translateY(-0.8px) rotate(1.6deg); }
  50%  { transform: translateY(-1.5px) rotate(0deg); }
  75%  { transform: translateY(-0.8px) rotate(-1.6deg); }
  100% { transform: translateY(0) rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-mark svg { animation: none; }
  .logo:hover .logo-mark { transform: none; }
}

/* ===== ロゴワードマーク 常時アニメ (静かなブランド稼働感) ===== */
.logo-name {
  display: inline-block;
  position: relative;
  animation:
    logoNameFloat 9s ease-in-out infinite,
    logoNamePulse 5.2s ease-in-out infinite;
  will-change: transform;
}
.logo-name::after {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg,
    rgba(0, 255, 198, 0) 0%,
    rgba(0, 255, 198, 0) 38%,
    rgba(0, 255, 198, 0.32) 50%,
    rgba(0, 255, 198, 0) 62%,
    rgba(0, 255, 198, 0) 100%);
  background-size: 60% 100%;
  background-repeat: no-repeat;
  background-position: -65% 0;
  mix-blend-mode: screen;
  filter: blur(0.4px);
  animation: logoNameScan 8.5s ease-in-out infinite;
}
@keyframes logoNameFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-0.6px); }
}
@keyframes logoNamePulse {
  0%, 100% { text-shadow: 0 0 6px rgba(0, 255, 198, 0.05); }
  50%      { text-shadow: 0 0 10px rgba(0, 255, 198, 0.10); }
}
@keyframes logoNameScan {
  0%        { background-position: -65% 0; opacity: 0.85; }
  16%       { background-position: 165% 0; opacity: 1; }
  18%, 100% { background-position: 165% 0; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .logo-name { animation: none !important; }
  .logo-name::after { animation: none !important; opacity: 0; }
}

/* ==========================================================
   ナビメニュー (desktop はインライン、~1023px でドロワー)
   ========================================================== */
.nav-menu {
  display: none; list-style: none; padding: 0; margin: 0;
  gap: 28px; align-items: center;
}
@media (min-width: 1024px) { .nav-menu { display: flex; } }
.nav-menu a {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--fg-muted); display: flex; gap: 8px; position: relative;
  transition: color 0.25s, text-shadow 0.25s;
}
.nav-menu a .code { color: var(--accent-3); opacity: 0.85; transition: color 0.25s, opacity 0.25s; }
.nav-menu a:hover { color: var(--fg); text-shadow: 0 0 8px rgba(0, 255, 198, 0.45); }
.nav-menu a:hover .code { color: var(--accent-cyan); opacity: 1; }
.nav-menu a::after {
  content: ''; position: absolute; left: 0; bottom: -4px;
  height: 1px; width: 0;
  background-image: linear-gradient(90deg,
    rgba(0, 255, 198, 0) 0%,
    rgba(0, 255, 198, 0.95) 50%,
    rgba(0, 255, 198, 0) 100%);
  background-size: 200% 100%;
  background-position: 0 0;
  filter: drop-shadow(0 0 2px rgba(0, 255, 198, 0.4));
  transition: width 0.35s cubic-bezier(0.2,0.7,0.2,1);
}
.nav-menu a:hover::after { width: 100%; animation: navUnderlineFlow 1.6s linear infinite; }
@keyframes navUnderlineFlow {
  0%   { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .nav-menu a:hover::after { animation: none; }
}

/* ==========================================================
   ハンバーガートグル + フルスクリーンドロワー
   モバイル (~1023px) で .nav-menu を全画面オーバーレイ化
   ========================================================== */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 38px; height: 38px;
  background: transparent;
  border: 1px solid var(--line);
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  z-index: 60;
  margin-left: 12px;
}
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .nav-cta-mobile { margin-left: auto; }
}
.nav-toggle:hover { border-color: var(--accent); background: rgba(0,255,159,0.06); }
.nav-toggle:active { transform: scale(0.96); }
.nav-toggle span {
  display: block;
  width: 18px; height: 1px;
  background: var(--accent);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), opacity 0.25s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1023px) {
  .nav-menu {
    display: flex;
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    width: 100vw; height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    padding: 88px 32px 56px;
    background:
      radial-gradient(ellipse 70% 60% at 70% 20%, rgba(0, 80, 60, 0.10) 0%, transparent 65%),
      radial-gradient(ellipse 60% 55% at 30% 80%, rgba(108, 123, 255, 0.10) 0%, transparent 70%),
      linear-gradient(135deg, rgba(5,8,12,0.96) 0%, rgba(7,12,18,0.97) 100%);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    transform: translateY(-2%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.5s cubic-bezier(.2,.7,.2,1), opacity 0.35s ease, visibility 0.35s;
    z-index: 55;
    list-style: none;
    overflow-y: auto;
  }
  body.nav-open .nav-menu {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-menu li {
    border-bottom: 1px solid rgba(0, 255, 198, 0.12);
    padding: 0;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(.2,.7,.2,1);
  }
  .nav-menu li:first-child { border-top: 1px solid rgba(0, 255, 198, 0.12); }
  body.nav-open .nav-menu li { opacity: 1; transform: translateY(0); }
  body.nav-open .nav-menu li:nth-child(1) { transition-delay: 0.10s; }
  body.nav-open .nav-menu li:nth-child(2) { transition-delay: 0.16s; }
  body.nav-open .nav-menu li:nth-child(3) { transition-delay: 0.22s; }
  body.nav-open .nav-menu li:nth-child(4) { transition-delay: 0.28s; }
  body.nav-open .nav-menu li:nth-child(5) { transition-delay: 0.34s; }
  body.nav-open .nav-menu li:nth-child(6) { transition-delay: 0.40s; }
  .nav-menu a {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 13px;
    letter-spacing: 0.32em;
    padding: 22px 4px;
  }
  .nav-menu a::after { display: none; }
  .nav-menu a .code { font-size: 9px; letter-spacing: 0.30em; }
  body.nav-open { overflow: hidden; }
}
@media (prefers-reduced-motion: reduce) {
  .nav-menu, .nav-menu li, .nav-toggle span { transition: none !important; }
}

/* ==========================================================
   ヘッダー HUD ライン (上下、emerald cyan)
   ロゴ横スキャン光
   .logo .sub (タグライン)
   ※ service ページが共通で使用。
   ========================================================== */
header.nav::before, header.nav::after {
  content: '';
  position: absolute; left: 0; right: 0;
  height: 1px;
  pointer-events: none;
  background-color: rgba(0, 255, 198, 0.14);
  background-image: linear-gradient(90deg,
    rgba(0, 255, 198, 0) 0%, rgba(0, 255, 198, 0) 35%,
    rgba(0, 255, 198, 0.85) 50%,
    rgba(0, 255, 198, 0) 65%, rgba(0, 255, 198, 0) 100%);
  background-size: 60% 100%;
  background-repeat: no-repeat;
  filter: drop-shadow(0 0 3px rgba(0, 255, 198, 0.35));
}
header.nav::before { top: 0; animation: hudShimmer 9s linear infinite; }
header.nav::after  { bottom: -1px; animation: hudShimmer 11s linear infinite reverse; animation-delay: -2s; }
@keyframes hudShimmer {
  0% { background-position: -60% 0; }
  100% { background-position: 160% 0; }
}

.logo::after {
  content: '';
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 60%; pointer-events: none;
  background: linear-gradient(90deg,
    rgba(0, 255, 198, 0) 0%,
    rgba(0, 255, 198, 0.10) 35%,
    rgba(0, 255, 198, 0.22) 50%,
    rgba(0, 255, 198, 0.10) 65%,
    rgba(0, 255, 198, 0) 100%);
  mix-blend-mode: screen;
  transform: translateX(-180%);
  animation: logoScan 12s ease-in-out infinite;
}
@keyframes logoScan {
  0%   { transform: translateX(-180%); }
  55%  { transform: translateX(280%); }
  100% { transform: translateX(280%); }
}
@media (prefers-reduced-motion: reduce) {
  header.nav::before, header.nav::after { animation: none; background-position: 50% 0; }
  .logo::after { animation: none; opacity: 0; }
}

.logo .sub {
  display: none; margin-left: 8px; padding-left: 12px;
  border-left: 1px solid var(--line-soft);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--fg-muted); font-weight: 400;
}
@media (min-width: 768px) { .logo .sub { display: inline; } }