/* ============================================================
   AMK LiveStream — ライバー募集LP
   ターゲット: ライバー志望者（未経験〜経験者）
   ============================================================ */
:root {
  --bg: #0a070f;
  --bg2: #100c18;
  --panel: #171021;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f4f2f8;
  --muted: #a49db5;
  --blue: #2547ff;
  --cyan: #38c8ff;
  --violet: #8a5cff;
  --pink: #ff3d7f;
  --amber: #ffb648;
  --grad: linear-gradient(120deg, #ff3d7f 0%, #8a5cff 45%, #38c8ff 100%);
  --grad-warm: linear-gradient(120deg, #ffb648 0%, #ff3d7f 60%, #8a5cff 100%);
  --font-en: "Outfit", sans-serif;
  --font-jp: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.en { font-family: var(--font-en); letter-spacing: 0.08em; }
.container { width: min(1080px, 92%); margin: 0 auto; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ ヘッダー ============ */
.lp-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 12px 0;
  background: rgba(10, 7, 15, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.lp-header-inner {
  width: min(1200px, 94%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 44px; }
.brand-name { font-family: var(--font-en); font-weight: 700; font-size: 0.98rem; letter-spacing: 0.1em; }
.brand-name small { display: block; font-size: 0.56rem; color: var(--muted); letter-spacing: 0.28em; }

/* ============ ボタン ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 40px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-3px); opacity: 0.9; }
.btn-grad { background: var(--grad-warm); color: #fff; box-shadow: 0 8px 30px rgba(255, 61, 127, 0.35); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.3); }
.btn-sm { padding: 10px 26px; font-size: 0.88rem; }
.btn-lg { padding: 20px 56px; font-size: 1.08rem; }
.btn-note { display: block; margin-top: 12px; font-size: 0.8rem; color: var(--muted); }

/* ============ FV ============ */
.fv {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  overflow: hidden;
  isolation: isolate;
}
.fv::before {
  content: "";
  position: absolute; inset: 0; z-index: -2;
  background: url("../assets/amk_liver.jpg") center / cover no-repeat;
  opacity: 0.28;
}
.fv::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 70% 90% at 25% 45%, rgba(10, 7, 15, 0.95), rgba(10, 7, 15, 0.6) 70%, rgba(10, 7, 15, 0.35)),
    radial-gradient(ellipse 45% 55% at 85% 88%, rgba(255, 61, 127, 0.25), transparent),
    radial-gradient(ellipse 35% 45% at 90% 10%, rgba(138, 92, 255, 0.2), transparent);
}
.fv-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--pink);
  border: 1px solid rgba(255, 61, 127, 0.5);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 26px;
}
.fv-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: 0.06em;
}
.fv-title .u-pink { color: var(--pink); }
.fv-title .u-amber { color: var(--amber); }
.fv-lead {
  margin-top: 26px;
  max-width: 620px;
  color: #d4cde2;
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
}
.fv-cta { margin-top: 40px; }
.fv-points { margin-top: 34px; display: flex; gap: 12px 26px; flex-wrap: wrap; }
.fv-points li {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.fv-points li::before {
  content: "✓";
  color: var(--pink);
  font-weight: 700;
}

/* ============ セクション共通 ============ */
section { padding: 96px 0; position: relative; }
.sec-head { text-align: center; margin-bottom: 54px; }
.sec-en {
  display: block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.32em;
  margin-bottom: 12px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sec-title { font-size: clamp(1.5rem, 3.4vw, 2.2rem); font-weight: 900; letter-spacing: 0.08em; line-height: 1.6; }
.sec-lead { margin-top: 18px; color: var(--muted); max-width: 700px; margin-inline: auto; }

/* ============ 在籍ライバー（たま天） ============ */
.liver-feature { background: var(--bg2); overflow: hidden; }
.liver-card {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.liver-card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -10%;
  width: 60%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255, 61, 127, 0.12), transparent 70%);
  pointer-events: none;
}
.liver-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid transparent;
  background:
    linear-gradient(var(--bg2), var(--bg2)) padding-box,
    var(--grad-warm) border-box;
}
.liver-photo img { width: 100%; height: 100%; object-fit: cover; }
.liver-photo .photo-placeholder {
  position: absolute; inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(255, 182, 72, 0.15), transparent),
    radial-gradient(ellipse 90% 70% at 50% 90%, rgba(255, 61, 127, 0.2), transparent),
    var(--bg2);
}
.photo-placeholder .ph-emoji { font-size: 4rem; line-height: 1; }
.photo-placeholder .ph-name {
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
}
.photo-placeholder .ph-note { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.14em; }
.liver-info .liver-label {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--amber);
}
.liver-name {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 6px 0 2px;
}
.liver-handle { font-family: var(--font-en); color: var(--muted); font-size: 0.9rem; }
.liver-stats { display: flex; gap: 28px; margin: 22px 0; flex-wrap: wrap; }
.liver-stats .stat strong {
  display: block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.7rem;
  line-height: 1.2;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.liver-stats .stat span { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.1em; }
.liver-quotes { display: grid; gap: 10px; margin-bottom: 24px; }
.liver-quotes li {
  position: relative;
  padding-left: 20px;
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.15rem);
  letter-spacing: 0.06em;
}
.liver-quotes li::before {
  content: "”";
  position: absolute; left: 0; top: -2px;
  font-family: var(--font-en);
  color: var(--pink);
  font-size: 1.4rem;
  font-weight: 800;
}
.liver-msg { color: var(--muted); font-size: 0.92rem; margin-bottom: 26px; }
.liver-links { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-tiktok {
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.88rem;
  padding: 12px 28px;
}
.btn-tiktok:hover { border-color: var(--pink); color: var(--pink); }

/* ============ 共感（こんな気持ち） ============ */
.empathy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.empathy-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 28px;
  text-align: center;
}
.empathy-card .e-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.empathy-card h3 { font-size: 1.02rem; font-weight: 700; letter-spacing: 0.06em; line-height: 1.8; }
.empathy-card p { margin-top: 10px; color: var(--muted); font-size: 0.88rem; }
.empathy-arrow {
  text-align: center;
  margin-top: 46px;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.empathy-arrow .down {
  display: block;
  font-size: 1.8rem;
  margin-top: 8px;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ サポート内容 ============ */
.support { background: var(--bg2); }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.support-item {
  display: flex;
  gap: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
}
.support-num {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
}
.support-item h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: 0.06em; margin-bottom: 8px; }
.support-item h3 small {
  display: block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--muted);
  margin-top: 4px;
}
.support-item p { color: var(--muted); font-size: 0.9rem; }

/* ============ AMKの強み ============ */
.strength-note {
  margin-top: 44px;
  text-align: center;
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  letter-spacing: 0.1em;
}

/* ============ 応募の流れ ============ */
.flow { background: var(--bg2); }
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.flow-step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 20px;
  counter-increment: step;
}
.flow-step::before {
  content: "0" counter(step);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.4rem;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 10px;
}
.flow-step h4 { font-size: 0.92rem; letter-spacing: 0.06em; margin-bottom: 6px; }
.flow-step p { color: var(--muted); font-size: 0.8rem; }

/* ============ FAQ ============ */
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 56px 22px 26px;
  font-weight: 700;
  font-size: 0.95rem;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q."; color: var(--amber); font-family: var(--font-en); font-weight: 800; margin-right: 12px; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-en);
  font-size: 1.3rem;
  color: var(--muted);
  transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .faq-a {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 0.9rem;
}
.faq-item .faq-a::before { content: "A."; color: var(--pink); font-family: var(--font-en); font-weight: 800; margin-right: 12px; }

/* ============ 会社概要 ============ */
.company { background: var(--bg2); }
.lp-company-table { max-width: 640px; margin: 0 auto; width: 100%; border-collapse: collapse; }
.lp-company-table th, .lp-company-table td {
  text-align: left;
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  font-weight: 500;
  vertical-align: top;
}
.lp-company-table th { width: 7em; color: var(--muted); font-weight: 700; white-space: nowrap; }

/* ============ クロージングCTA ============ */
.closing {
  text-align: center;
  background:
    radial-gradient(ellipse 70% 120% at 50% 130%, rgba(255, 61, 127, 0.22), transparent),
    radial-gradient(ellipse 60% 100% at 20% -20%, rgba(138, 92, 255, 0.18), transparent),
    var(--bg);
  padding: 110px 0;
}
.closing-title { font-size: clamp(1.4rem, 3.2vw, 2.1rem); font-weight: 900; letter-spacing: 0.1em; line-height: 1.8; }
.closing-lead { margin: 18px auto 36px; color: var(--muted); max-width: 640px; }

/* ============ フッター ============ */
.lp-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  text-align: center;
}
.lp-footer .footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }
.lp-footer .footer-links a { font-size: 0.8rem; color: var(--muted); }
.lp-footer .footer-links a:hover { color: var(--text); }
.lp-footer .copyright { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.1em; }

/* ============ 追従CTA（モバイル） ============ */
.sticky-cta {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(10, 7, 15, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  display: none;
}
.sticky-cta .btn { width: 100%; }

/* ============ Reveal ============ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  section { padding: 72px 0; }
  .liver-card { grid-template-columns: 1fr; gap: 32px; padding: 32px 24px; }
  .liver-photo { max-width: 300px; margin: 0 auto; width: 100%; }
  .empathy-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .sticky-cta { display: block; }
  body { padding-bottom: 84px; }
  .fv { min-height: auto; }
}
@media (max-width: 540px) {
  .flow-steps { grid-template-columns: 1fr; }
  .lp-header .btn-sm { padding: 9px 18px; font-size: 0.8rem; }
  .liver-stats { gap: 20px; }
}