@charset "utf-8";
/* ===================================================================
   SNSサーチハブ — "Neon Nightclub"
   若者向け × ゴージャス。深い紫黒に各SNS色のネオン発光、グラスカード。
   ※ HTML構造・クラス名は不変。CSSのみで全面刷新。
=================================================================== */

:root {
  /* --- サービス別ブランドカラー (ダーク背景で映える明色化) --- */
  --yt-red:      #FF3B5C;
  --x-fg:        #e9ebef;
  --threads-fg:  #f2f2f2;
  --ig-purple:   #B15CFF;
  --ig-pink:     #FF4D9D;
  --ig-orange:   #FF9D4D;
  --ig-yellow:   #FFD15C;
  --fb-blue:     #4599FF;
  --tiktok-fg:   #010101;
  --tiktok-pink: #FE2C55;
  --tiktok-cyan: #25F4EE;
  --line-green:  #2BE37A;
  --note-green:  #41E0C6;
  --live-red:    #FF3B5C;
  --ig-gradient: linear-gradient(135deg, var(--ig-yellow) 0%, var(--ig-orange) 28%, var(--ig-pink) 62%, var(--ig-purple) 100%);

  /* --- ネオン・アクセント --- */
  --neon-pink:   #FF2E97;
  --neon-cyan:   #00E5FF;
  --neon-purple: #9B5CFF;
  --accent-grad: linear-gradient(120deg, var(--neon-cyan) 0%, var(--neon-purple) 50%, var(--neon-pink) 100%);

  /* --- ベース (深い紫黒) --- */
  --bg:        #07060f;
  --bg-2:      #120a24;
  --fg:        #f4f2ff;
  --muted:     #a89fc9;
  --muted-2:   #7c719e;

  /* ガラス面 */
  --card:        rgba(255, 255, 255, 0.045);
  --card-2:      rgba(255, 255, 255, 0.075);
  --border:      rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.20);
  --hover:       rgba(255, 255, 255, 0.08);

  --error:    #ff5c8a;
  --success:  #2BE37A;

  --shadow:   0 1px 0 rgba(255,255,255,0.05) inset, 0 10px 30px rgba(0,0,0,0.6);
  --shadow-h: 0 1px 0 rgba(255,255,255,0.08) inset, 0 22px 60px rgba(0,0,0,0.7);

  --radius:   18px;
  --radius-lg: 26px;
  --ease-pop: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
html { scroll-behavior: smooth; }

body {
  font-family: "Zen Kaku Gothic New", "Sora", -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Hiragino Sans", "Noto Sans JP", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ネオンのオーロラ背景 (固定) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(46% 34% at 10% 0%,   rgba(255, 46, 151, 0.22) 0%, transparent 70%),
    radial-gradient(42% 38% at 92% 6%,   rgba(0, 229, 255, 0.18) 0%, transparent 70%),
    radial-gradient(60% 50% at 50% 110%, rgba(155, 92, 255, 0.26) 0%, transparent 72%),
    linear-gradient(180deg, #0b0820 0%, #07060f 45%, #05040b 100%);
}
/* グレイン */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--neon-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: rgba(255, 46, 151, 0.35); color: #fff; }

/* ===================================================================
   トップナビ (ガラス + ネオン下線)
=================================================================== */
.topnav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 30px;
  background: linear-gradient(180deg, rgba(18, 10, 36, 0.82), rgba(10, 7, 22, 0.6));
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 1px 0 rgba(255, 46, 151, 0.25);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: transform .25s var(--ease-pop), filter .25s ease;
}
.brand::before {
  content: "";
  width: 11px;
  height: 11px;
  margin-right: 11px;
  border-radius: 50%;
  background: var(--neon-pink);
  box-shadow: 0 0 16px 3px var(--neon-pink), 0 0 4px #fff inset;
  flex: 0 0 auto;
}
.brand:hover { text-decoration: none; transform: translateY(-1px); filter: brightness(1.15) saturate(1.1); }

.nav-links {
  display: flex;
  flex: 1 1 auto;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.98rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .18s ease, background .18s ease, transform .18s var(--ease-pop);
  font-weight: 600;
  background: transparent;
  white-space: nowrap;
  position: relative;
}
.nav-link:hover { color: #fff; background: var(--hover); text-decoration: none; transform: translateY(-1px); }
.nav-link.active {
  color: #fff;
  background: var(--card-2);
  border: 1px solid var(--border-strong);
  font-weight: 800;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 0 0 12px currentColor, 0 0 4px currentColor;
}
.nav-yt.active        { color: var(--yt-red); }
.nav-x.active         { color: var(--x-fg); }
.nav-instagram.active { color: var(--ig-pink); }
.nav-facebook.active  { color: var(--fb-blue); }
.nav-threads.active   { color: var(--threads-fg); }
.nav-tiktok.active    { color: var(--tiktok-pink); }
.nav-line.active      { color: var(--line-green); }
.nav-note.active      { color: var(--note-green); }
.nav-live.active      { color: var(--live-red); }
.nav-contact.active   { color: var(--neon-cyan); }
.nav-disclaimer.active { color: var(--muted); }

/* ===================================================================
   ページ共通
=================================================================== */
.container {
  flex: 1 0 auto;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 18px 56px;
}
.page-hero { text-align: center; padding: 44px 0 26px; position: relative; }
.page-hero::before {
  content: "";
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 4px;
  border-radius: 999px;
  background: var(--accent-grad);
  box-shadow: 0 0 18px var(--neon-purple);
}
.page-title {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 2.3rem;
  margin: 22px 0 12px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.page-lead { margin: 0 auto 26px; color: var(--muted); font-size: 1.02rem; max-width: 720px; }
.page-lead strong { color: #fff; font-weight: 700; }

.svc-color-youtube   { color: var(--yt-red); }
.svc-color-x         { color: var(--x-fg); }
.svc-color-instagram { color: var(--ig-pink); }
.svc-color-facebook  { color: var(--fb-blue); }
.svc-color-threads   { color: var(--threads-fg); }
.svc-color-tiktok    { color: var(--tiktok-pink); }
.svc-color-line      { color: var(--line-green); }
.svc-color-note      { color: var(--note-green); }
.svc-color-live      { color: var(--live-red); }

/* ===================================================================
   ホーム: ヒーロー & サービスカード
=================================================================== */
body.home .hero { text-align: center; padding: 72px 16px 30px; position: relative; }
body.home .hero::before,
body.home .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(44px);
  opacity: 0.6;
  pointer-events: none;
  z-index: -1;
}
body.home .hero::before { left: 6%; top: 24%; width: 180px; height: 180px; background: radial-gradient(circle, var(--neon-cyan), transparent 68%); }
body.home .hero::after  { right: 6%; top: 10%; width: 220px; height: 220px; background: radial-gradient(circle, var(--neon-pink), transparent 68%); }

.hero-title {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 3.1rem;
  margin: 0 0 18px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  animation: rise .7s var(--ease-pop) both;
}
.hero-strong {
  position: relative;
  display: inline-block;
  padding: 0 4px;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-strong::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 12px;
  background: var(--accent-grad);
  z-index: -1;
  border-radius: 6px;
  opacity: 0.5;
  filter: blur(6px);
}
.hero-lead { margin: 0 auto; color: var(--muted); font-size: 1.06rem; max-width: 740px; animation: rise .7s var(--ease-pop) .08s both; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 44px auto 30px;
  max-width: 1080px;
}
@media (min-width: 921px) {
  .services-grid > .service-card:last-child:nth-child(3n + 1) { grid-column: 2 / 3; }
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform .3s var(--ease-pop), box-shadow .3s ease, border-color .3s ease, background .3s ease;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  animation: rise .6s var(--ease-pop) both;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: currentColor;
  box-shadow: 0 0 22px currentColor, 0 0 8px currentColor;
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120% 80% at 50% -10%, currentColor, transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: currentColor;
  background: var(--card-2);
  box-shadow: 0 0 0 1px currentColor, 0 18px 50px -10px currentColor, var(--shadow-h);
  text-decoration: none;
}
.service-card:hover::after { opacity: 0.16; }

.services-grid .service-card:nth-child(1) { animation-delay: .02s; }
.services-grid .service-card:nth-child(2) { animation-delay: .06s; }
.services-grid .service-card:nth-child(3) { animation-delay: .10s; }
.services-grid .service-card:nth-child(4) { animation-delay: .14s; }
.services-grid .service-card:nth-child(5) { animation-delay: .18s; }
.services-grid .service-card:nth-child(6) { animation-delay: .22s; }
.services-grid .service-card:nth-child(7) { animation-delay: .26s; }
.services-grid .service-card:nth-child(8) { animation-delay: .30s; }
.services-grid .service-card:nth-child(9) { animation-delay: .34s; }

.svc-icon {
  font-size: 1.8rem;
  width: 58px; height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 18px;
  color: #fff;
  font-weight: 800;
  background: currentColor;
  box-shadow: 0 8px 26px -6px currentColor, 0 1px 0 rgba(255,255,255,0.3) inset;
}
.svc-icon > * { color: #fff; }
.svc-name {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  margin: 0 0 10px;
  font-size: 1.16rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.svc-desc { margin: 0 0 18px; font-size: 0.91rem; color: var(--muted); flex: 1; line-height: 1.7; }
.svc-action {
  font-size: 0.92rem;
  font-weight: 700;
  color: currentColor;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  transition: gap .2s ease;
  text-shadow: 0 0 12px currentColor;
}
.service-card:hover .svc-action { gap: 10px; }

.svc-youtube   { color: var(--yt-red); }
.svc-x         { color: var(--x-fg); }
.svc-instagram { color: var(--ig-pink); }
.svc-facebook  { color: var(--fb-blue); }
.svc-threads   { color: var(--threads-fg); }
.svc-tiktok    { color: var(--tiktok-pink); }
.svc-line      { color: var(--line-green); }
.svc-note      { color: var(--note-green); }
.svc-live      { color: var(--live-red); }

.svc-youtube   .svc-icon { background: var(--yt-red); color: #fff; }
.svc-x         .svc-icon { background: #16181c; color: #fff; box-shadow: 0 8px 24px -8px #000, 0 0 0 1px rgba(255,255,255,0.14) inset; }
.svc-instagram .svc-icon { background: var(--ig-gradient); color: #fff; }
.svc-facebook  .svc-icon { background: var(--fb-blue); color: #fff; font-family: "Helvetica Neue", Arial, sans-serif; font-style: italic; }
.svc-threads   .svc-icon { background: #0c0c0c; color: #fff; box-shadow: 0 8px 24px -8px #000, 0 0 0 1px rgba(255,255,255,0.14) inset; }
.svc-tiktok    .svc-icon { background: linear-gradient(135deg, var(--tiktok-cyan) 0%, #111 50%, var(--tiktok-pink) 100%); color: #fff; }
.svc-line      .svc-icon { background: var(--line-green); color: #05241b; }
.svc-note      .svc-icon { background: var(--note-green); color: #05251f; }
.svc-live      .svc-icon { background: var(--live-red); color: #fff; }

.svc-instagram::before { background: var(--ig-gradient); box-shadow: 0 0 22px var(--ig-pink); opacity: 1; }

/* ===================================================================
   検索フォーム
=================================================================== */
.search-form {
  display: grid;
  grid-template-areas: "input" "button";
  gap: 14px;
  max-width: 660px;
  margin: 0 auto;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}
.search-icon {
  grid-area: input;
  align-self: center;
  justify-self: start;
  margin-left: 20px;
  display: inline-flex;
  align-items: center;
  color: var(--neon-cyan);
  pointer-events: none;
  z-index: 1;
}
.search-form input[type="search"] {
  grid-area: input;
  width: 100%;
  padding: 15px 22px 15px 50px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  font-size: 1.02rem;
  font-family: inherit;
  color: var(--fg);
  outline: 0;
  transition: box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.search-form input[type="search"]::placeholder { color: var(--muted-2); }
.search-form input[type="search"]:hover { border-color: var(--neon-cyan); background: rgba(255, 255, 255, 0.07); }
.search-form input[type="search"]:focus {
  border-color: var(--neon-cyan);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.22), 0 0 24px -4px rgba(0, 229, 255, 0.5);
}
.search-form button {
  grid-area: button;
  width: 100%;
  padding: 15px 26px;
  border: 0;
  border-radius: 999px;
  background: var(--accent-grad);
  background-size: 180% 180%;
  color: #0a0420;
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background-position .5s ease;
  box-shadow: 0 10px 34px -8px rgba(255, 46, 151, 0.7), 0 0 0 1px rgba(255,255,255,0.1) inset;
}
.search-form button:hover {
  background-position: 100% 0;
  box-shadow: 0 16px 44px -8px rgba(0, 229, 255, 0.7);
  transform: translateY(-2px);
}
.search-form button:active { transform: translateY(0); }

/* ===================================================================
   SEOセクション (ガラス)
=================================================================== */
.seo-intro {
  max-width: 1080px;
  margin: 40px auto 28px;
  padding: 36px 32px 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.seo-intro::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 2px;
  border-radius: 0 0 4px 4px;
  background: var(--accent-grad);
  box-shadow: 0 0 16px var(--neon-purple);
}
.seo-intro h2 {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.5rem;
  margin: 8px 0 18px;
  color: #fff;
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.seo-intro h3 {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.12rem;
  margin: 28px 0 14px;
  color: #fff;
  font-weight: 700;
  padding: 8px 16px;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.12), transparent);
  border-left: 3px solid var(--neon-cyan);
  border-radius: 4px;
}
.seo-intro p { margin: 0 0 14px; font-size: 0.97rem; line-height: 1.95; color: #d6d0ee; }
.seo-intro strong { color: #fff; font-weight: 700; }
.seo-intro code {
  background: rgba(0, 229, 255, 0.12);
  color: var(--neon-cyan);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.88em;
  border: 1px solid var(--border);
}
.seo-features { list-style: none; padding: 0; margin: 0 0 8px; }
.seo-features li {
  position: relative;
  padding: 11px 8px 11px 40px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #d6d0ee;
  border-bottom: 1px solid var(--border);
}
.seo-features li:last-child { border-bottom: 0; }
.seo-features li::before {
  content: "";
  position: absolute;
  left: 8px; top: 16px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 12px rgba(255, 46, 151, 0.6);
}
.seo-features li::after {
  content: "✓";
  position: absolute;
  left: 12px; top: 13px;
  color: #0a0420;
  font-weight: 900;
  font-size: 0.72rem;
}

/* ===================================================================
   お問い合わせ
=================================================================== */
.contact-card {
  max-width: 720px;
  margin: 28px auto;
  padding: 38px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  text-align: center;
}
.contact-card-title { font-family: "Sora","Zen Kaku Gothic New",sans-serif; font-size: 1.3rem; margin: 0 0 18px; color: #fff; font-weight: 800; }
.contact-note { margin: 0; font-size: 0.9rem; color: var(--muted); }
.contact-form { display: flex; flex-direction: column; gap: 18px; text-align: left; }
.contact-label { display: flex; flex-direction: column; gap: 8px; font-size: 0.94rem; font-weight: 700; color: #fff; }
.contact-label .required { color: var(--neon-pink); font-weight: 800; margin-left: 4px; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted-2); }
.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
  outline: 0;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.18);
}
.contact-form textarea { resize: vertical; min-height: 180px; line-height: 1.7; }
.contact-note-inline { margin: 0; font-size: 0.85rem; color: var(--muted); }
.contact-submit-row { text-align: center; margin-top: 10px; }
.contact-submit-btn {
  padding: 15px 46px;
  border: 0;
  border-radius: 999px;
  background: var(--accent-grad);
  background-size: 180% 180%;
  color: #0a0420;
  font-family: "Sora","Zen Kaku Gothic New",sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background-position .5s ease;
  box-shadow: 0 10px 34px -8px rgba(255, 46, 151, 0.7);
  letter-spacing: 0.04em;
}
.contact-submit-btn:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 16px 44px -8px rgba(0, 229, 255, 0.7); }
.contact-submit-btn:active { transform: translateY(0); }

.hp-field { position: absolute; left: -10000px; top: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-error-list { margin: 8px 0 0; padding-left: 1.4em; color: var(--error); }
.contact-success { font-size: 1.05rem; line-height: 1.9; color: #fff; text-align: center; margin: 0; }
.contact-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--success);
  color: #05241b;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 16px;
  box-shadow: 0 0 30px -2px var(--success);
}
.contact-back { text-align: center; margin: 22px 0 0; }

/* ===================================================================
   検索メタ / バッジ
=================================================================== */
.empty { text-align: center; padding: 60px 16px; color: var(--muted); font-size: 1rem; }
.search-meta { color: var(--muted); font-size: 0.88rem; margin: 0 0 20px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cache-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(155, 92, 255, 0.16);
  color: #c9b3ff;
  border: 1px solid rgba(155, 92, 255, 0.4);
}
.cache-badge.fresh { background: rgba(43, 227, 122, 0.16); color: var(--success); border-color: rgba(43, 227, 122, 0.4); }

/* ===================================================================
   動画カード
=================================================================== */
.results { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform .25s var(--ease-pop), box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-5px); border-color: var(--neon-cyan); box-shadow: 0 0 0 1px var(--neon-cyan), 0 18px 50px -12px rgba(0,229,255,0.5); }
.card-link { display: block; text-decoration: none; color: inherit; }
.card .thumb { width: 100%; aspect-ratio: 16 / 9; background: #141026; display: block; object-fit: cover; }
.card .thumb.placeholder { background: var(--accent-grad); opacity: 0.4; }
.card .body { padding: 14px 16px 16px; }
.card .title { font-size: 0.98rem; margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; font-weight: 700; color: #fff; }
.card .channel { margin: 0 0 10px; color: var(--muted); font-size: 0.84rem; }
.card .meta { margin: 0; color: var(--muted); font-size: 0.8rem; display: flex; gap: 10px; align-items: center; }
.card .views { color: var(--neon-cyan); font-weight: 800; }
.card .date::before { content: "・"; margin-right: 4px; color: var(--muted-2); }

/* ===================================================================
   ライブ配信 6サービス
=================================================================== */
.live-services { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 28px auto 32px; max-width: 1080px; }
.live-service-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform .25s var(--ease-pop), box-shadow .25s ease, border-color .25s ease, background .25s ease;
  position: relative;
  overflow: hidden;
}
.live-service-card::before { content: ""; position: absolute; top: 0; left: 0; bottom: 0; width: 3px; background: currentColor; box-shadow: 0 0 16px currentColor; }
.live-service-card:hover { transform: translateY(-4px); border-color: currentColor; background: var(--card-2); box-shadow: 0 0 0 1px currentColor, 0 16px 44px -12px currentColor; text-decoration: none; }
.live-svc-icon {
  flex: 0 0 auto;
  width: 52px; height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: currentColor;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 8px 22px -8px currentColor;
}
.live-svc-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.live-svc-name { font-size: 1.02rem; color: #fff; font-weight: 700; }
.live-svc-desc { font-size: 0.83rem; color: var(--muted); line-height: 1.5; }
.live-svc-action { font-size: 0.8rem; color: currentColor; margin-top: 6px; font-weight: 700; }

.live-svc-youtube     { color: #FF3B5C; }
.live-svc-twitch      { color: #B47CFF; }
.live-svc-twitcasting { color: #FF8A3D; }
.live-svc-niconico    { color: #c9d2e3; }
.live-svc-mirrativ    { color: #FF6680; }
.live-svc-showroom    { color: #FF4D8A; }

.live-svc-youtube     .live-svc-icon { background: #FF3B5C; color: #fff; }
.live-svc-twitch      .live-svc-icon { background: #9146FF; color: #fff; }
.live-svc-twitcasting .live-svc-icon { background: #FB6101; color: #fff; }
.live-svc-niconico    .live-svc-icon { background: #1a1a1a; color: #FFD52E; }
.live-svc-mirrativ    .live-svc-icon { background: #FF6680; color: #fff; }
.live-svc-showroom    .live-svc-icon { background: linear-gradient(135deg, #FFD600 0%, #FF0064 100%); color: #fff; }

/* ===================================================================
   エラー / フッタ
=================================================================== */
.flash { padding: 14px 20px; border-radius: 12px; margin: 0 0 18px; font-size: 0.95rem; border: 1px solid; }
.flash.error { background: rgba(255, 92, 138, 0.12); color: var(--error); border-color: rgba(255, 92, 138, 0.4); }
.site-footer {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  position: relative;
  background:
    radial-gradient(60% 130% at 50% 0%, rgba(155, 92, 255, 0.12), transparent 70%),
    linear-gradient(180deg, rgba(255, 46, 151, 0.04), rgba(0, 229, 255, 0.04));
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-grad);
  box-shadow: 0 0 18px var(--neon-purple);
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 44px 18px 26px;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.8fr;
  gap: 30px;
  text-align: left;
}
.footer-brand {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  display: inline-block;
}
.footer-brand:hover { text-decoration: none; filter: brightness(1.15); }
.footer-tagline { margin: 12px 0 0; color: var(--muted); font-size: 0.85rem; line-height: 1.75; max-width: 30ch; }
.footer-col h4 {
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  position: relative;
  padding-bottom: 9px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 26px; height: 2px;
  border-radius: 2px;
  background: var(--accent-grad);
}
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-links a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.88rem;
  text-decoration: none;
  transition: color .15s ease, transform .15s ease;
  display: inline-block;
}
.footer-links a:hover { color: var(--neon-cyan); text-decoration: none; transform: translateX(3px); }
.footer-notes p { margin: 0 0 10px; font-size: 0.82rem; color: var(--muted); line-height: 1.75; }
.footer-notes a { color: var(--neon-cyan); font-weight: 600; }
.footer-bottom {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 18px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--muted-2);
}
.footer-bottom a { color: var(--muted); font-weight: 600; text-decoration: none; }
.footer-bottom a:hover { color: var(--neon-cyan); text-decoration: underline; }
@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 26px 20px; padding: 36px 16px 22px; }
  .footer-brand-col { grid-column: 1 / -1; }
  .footer-notes { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 440px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ===================================================================
   免責事項ページ: 本文を明色で統一
=================================================================== */
body.page-disclaimer .page-title,
body.page-disclaimer .page-lead,
body.page-disclaimer .page-lead strong,
body.page-disclaimer .seo-intro h2,
body.page-disclaimer .seo-intro h3,
body.page-disclaimer .seo-intro p,
body.page-disclaimer .seo-intro strong,
body.page-disclaimer .seo-intro li,
body.page-disclaimer .seo-intro a,
body.page-disclaimer .disclaimer-updated { color: #ece8ff; }
body.page-disclaimer .seo-intro h3 { border-left-color: var(--neon-cyan); background: linear-gradient(90deg, rgba(255,255,255,0.06), transparent); }
body.page-disclaimer .seo-intro a { text-decoration: underline; }
.disclaimer-updated { text-align: right; font-size: 0.88rem; margin-top: 28px; color: var(--muted); }

/* ===================================================================
   ハンバーガーメニュー
=================================================================== */
.nav-toggle { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; opacity: 0; pointer-events: none; }
.nav-toggle-btn {
  display: none;
  width: 44px; height: 44px;
  margin-left: auto;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-strong);
  transition: background .15s ease;
  flex: 0 0 auto;
}
.nav-toggle-btn:hover { background: rgba(255, 255, 255, 0.12); }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle:checked + .nav-toggle-btn .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked + .nav-toggle-btn .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle:checked + .nav-toggle-btn .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================================
   FAQ アコーディオン
=================================================================== */
.faq-section { max-width: 1080px; width: 100%; margin: 8px auto; padding: 8px 18px 24px; }
.faq-heading { font-family: "Sora","Zen Kaku Gothic New",sans-serif; font-size: 1.5rem; text-align: center; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 18px; color: #fff; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open] { border-color: var(--neon-purple); box-shadow: 0 0 0 1px rgba(155,92,255,0.5), 0 16px 40px -16px rgba(155,92,255,0.5); }
.faq-q {
  list-style: none;
  cursor: pointer;
  padding: 16px 54px 16px 20px;
  font-family: "Zen Kaku Gothic New","Sora",sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  position: relative;
  user-select: none;
  transition: color .18s ease;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { color: var(--neon-cyan); }
.faq-q:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: -2px; border-radius: 14px; }
.faq-q::after {
  content: "";
  position: absolute;
  right: 22px; top: 50%;
  width: 12px; height: 12px;
  transform: translateY(-50%);
  background:
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 12px 2px no-repeat,
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 2px 12px no-repeat;
  transition: transform .25s var(--ease-pop);
}
.faq-item[open] .faq-q::after { background: linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 12px 2px no-repeat; }
.faq-a { padding: 0 20px 18px; color: #d6d0ee; line-height: 1.85; font-size: 0.95rem; }
.faq-item[open] .faq-a { animation: faqReveal .28s var(--ease-pop) both; }
@keyframes faqReveal { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ===================================================================
   アニメーション
=================================================================== */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ===================================================================
   レスポンシブ
=================================================================== */
@media (max-width: 920px) { .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .topnav { padding: 10px 16px; gap: 12px; flex-wrap: nowrap; }
  .brand { font-size: 1.2rem; }
  .hero-title { font-size: 2.05rem; }
  .page-title { font-size: 1.6rem; }
  body.home .hero { padding: 44px 12px 18px; }
  body.home .hero::before, body.home .hero::after { display: none; }
  .nav-toggle-btn { display: flex; }
  .nav-links {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px 4px 8px;
    margin-top: 10px;
    border-top: 1px solid var(--border);
    width: 100%;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-link { padding: 12px 16px; font-size: 1rem; border-radius: 12px; text-align: left; }
  .nav-link.active { padding: 12px 16px; font-size: 1rem; background: var(--card-2); color: #fff; }
  .nav-link.active::after { display: none; }
  .nav-yt.active, .nav-x.active, .nav-instagram.active, .nav-facebook.active, .nav-threads.active,
  .nav-tiktok.active, .nav-line.active, .nav-note.active, .nav-live.active, .nav-contact.active, .nav-disclaimer.active { color: #fff; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 22px auto 20px; }
  .service-card { padding: 16px 14px 14px; border-radius: 18px; }
  .svc-icon { width: 44px; height: 44px; font-size: 1.35rem; border-radius: 12px; margin-bottom: 10px; }
  .svc-icon svg { width: 22px; height: 22px; }
  .svc-name { font-size: 0.96rem; margin-bottom: 6px; line-height: 1.35; }
  .svc-desc { font-size: 0.79rem; line-height: 1.6; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .svc-action { font-size: 0.82rem; }
  .results { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .card { border-radius: 14px; }
  .card .body { padding: 10px 12px 12px; }
  .card .title { font-size: 0.86rem; margin-bottom: 6px; line-height: 1.4; }
  .card .channel { font-size: 0.74rem; margin-bottom: 6px; }
  .card .meta { font-size: 0.72rem; gap: 6px; }
  .live-services { grid-template-columns: 1fr; gap: 10px; }
  .live-service-card { padding: 12px 14px; gap: 12px; }
  .live-svc-icon { width: 44px; height: 44px; font-size: 0.82rem; }
  .search-form { display: grid !important; grid-template-areas: "input" "button" !important; grid-template-columns: 1fr !important; gap: 12px; }
  .search-form input[type="search"] { grid-area: input; width: 100%; padding: 14px 18px 14px 46px; }
  .search-form button { grid-area: button; width: 100%; display: block; margin: 0; padding: 14px 20px; }
  .search-icon { grid-area: input; align-self: center; justify-self: start; margin-left: 16px; }
  .faq-heading { font-size: 1.3rem; }
  .faq-q { font-size: 0.95rem; padding: 14px 48px 14px 16px; }
  .faq-a { padding: 0 16px 16px; font-size: 0.9rem; }
}

/* ===================================================================
   Motion (JS) スクロール出現の初期状態
   ※ <html class="m-anim"> はJSが対応環境でのみ付与。JS失敗時は付かない/解除され、内容は必ず表示。
=================================================================== */
.m-anim .hero-title,
.m-anim .hero-lead,
.m-anim .page-title,
.m-anim .page-lead,
.m-anim .service-card,
.m-anim .live-service-card,
.m-anim .faq-item,
.m-anim .seo-intro,
.m-anim .results > li {
  opacity: 0;
  transform: translateY(24px);
}
/* Motion 制御中は CSS の rise を無効化 (二重アニメ防止) */
.m-anim .hero-title,
.m-anim .hero-lead,
.m-anim .service-card { animation: none !important; }

/* ===================================================================
   SEOセクションの折りたたみ見出し (details/summary)
=================================================================== */
.seo-intro .seo-acc { border-top: 1px solid var(--border); }
.seo-intro .seo-acc:first-of-type { border-top: none; }
.seo-intro .seo-acc > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 16px 44px 16px 0;
  user-select: none;
}
.seo-intro .seo-acc > summary::-webkit-details-marker { display: none; }
/* summary 内の見出しは通常テキスト化 (SEO のためタグは保持) */
.seo-intro .seo-acc > summary h2,
.seo-intro .seo-acc > summary h3 {
  display: inline;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.14rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  transition: color .18s ease;
}
.seo-intro .seo-acc > summary:hover h2,
.seo-intro .seo-acc > summary:hover h3 { color: var(--neon-cyan); }
.seo-intro .seo-acc > summary:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; border-radius: 8px; }
.seo-intro .seo-acc > summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 12px;
  height: 12px;
  transform: translateY(-50%);
  background:
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 12px 2px no-repeat,
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 2px 12px no-repeat;
  transition: transform .25s var(--ease-pop);
}
.seo-intro .seo-acc[open] > summary::after {
  background: linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 12px 2px no-repeat;
}
.seo-intro .seo-acc-body { padding: 0 0 16px; }
.seo-intro .seo-acc[open] .seo-acc-body { animation: faqReveal .28s var(--ease-pop) both; }
.seo-intro .seo-acc-body > :first-child { margin-top: 0; }
.seo-intro .seo-acc-body > :last-child { margin-bottom: 0; }

/* ===================================================================
   パンくずリスト (下層ページ)
=================================================================== */
.breadcrumb {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.breadcrumb-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 18px;
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb-inner a { color: var(--muted); text-decoration: none; transition: color .15s ease; }
.breadcrumb-inner a:hover { color: var(--neon-cyan); }
.breadcrumb-sep { color: var(--muted-2); }
.breadcrumb-current { color: var(--fg); font-weight: 600; }

/* ===================================================================
   下層ページ末尾「他のSNSも検索」相互リンク
=================================================================== */
.related-sns { border-top: 1px solid var(--border); }
.related-sns-inner { max-width: 1080px; margin: 0 auto; padding: 30px 18px 6px; }
.related-sns-title {
  font-family: "Sora", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  text-align: center;
}
.related-sns-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 680px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.related-sns-link {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 14px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: currentColor;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.related-sns-link:hover {
  transform: translateY(-2px);
  border-color: currentColor;
  background: var(--card-2);
  box-shadow: 0 0 0 1px currentColor, 0 10px 26px -10px currentColor;
  text-decoration: none;
}
.related-sns-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 9px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.10);
  color: currentColor;
  font-size: 0.9rem;
  font-weight: 800;
  flex: 0 0 auto;
}
.related-sns-label {
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}