/* ============================================================
   NullPo Works — home.css  (HOME PAGE ONLY)
   Requires base.css first. Home-specific: hero, flagship,
   cinematic panels, subordinate app card, PWA guide, recruit,
   about. Shared tokens/header/footer/buttons come from base.css.
   ============================================================ */

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  padding:calc(var(--header-h) + 40px) var(--pad) 92px;
  overflow:hidden;
}
.hero-stage{ position:absolute; inset:0; z-index:0; }
.hero-art{ position:absolute; inset:-10% -10% 0; }
.hero-art-layer{
  position:absolute; border-radius:6px; overflow:hidden; will-change:transform;
  filter:blur(2px) saturate(108%);
  box-shadow:0 40px 120px rgba(0,0,0,0.6);
  opacity:0; animation:artIn 1.4s var(--ease) forwards;
}
.hero-art-layer img{ width:100%; height:100%; object-fit:cover; }
.hero-art-1{ /* tamashii gold (flagship) */
  top:5%; right:-8%; width:66%; aspect-ratio:9/16; max-height:64%;
  animation-delay:.1s; filter:blur(1.5px) saturate(116%);
}
.hero-art-2{ /* piyo */ display:none; }
.hero-art-3{ /* 14banchi */
  bottom:4%; left:-10%; width:60%; aspect-ratio:16/9;
  opacity:0; animation-delay:.28s; filter:blur(3px) saturate(108%);
}
@keyframes artIn{ to{ opacity:.62; } }
.hero-art-3{ animation-name:artIn3; }
@keyframes artIn3{ to{ opacity:.42; } }

.hero-scrim{
  position:absolute; inset:0;
  background:
    radial-gradient(120% 80% at 70% 30%, transparent 0%, rgba(6,9,10,0.55) 55%, rgba(5,7,8,0.96) 100%),
    linear-gradient(180deg, rgba(6,9,10,0.5) 0%, rgba(6,9,10,0.2) 30%, rgba(5,7,8,0.85) 100%),
    linear-gradient(90deg, rgba(5,7,8,0.95) 0%, rgba(5,7,8,0.35) 60%, transparent 100%);
}
.hero-glow{ position:absolute; border-radius:50%; filter:blur(60px); pointer-events:none; }
.hero-glow-1{ width:60vw; height:60vw; top:-6%; right:-8%; background:radial-gradient(circle, rgba(230,180,80,0.22), transparent 70%); }
.hero-glow-2{ width:55vw; height:55vw; bottom:-12%; left:-12%; background:radial-gradient(circle, rgba(52,226,160,0.16), transparent 70%); }

.hero-inner{ position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; width:100%; }
.hero-kicker{ display:flex; align-items:center; gap:12px; margin-bottom:26px; }
.hero-kicker .label{ font-family:var(--mono); font-size:0.68rem; letter-spacing:0.28em; text-transform:uppercase; color:var(--ink-dim); }

.hero-headline{
  font-family:var(--disp); font-weight:800;
  font-size:clamp(2.15rem, 11vw, 5.6rem);
  line-height:1.04; letter-spacing:-0.02em;
  color:var(--ink);
  text-wrap:balance;
  margin-bottom:24px;
}
.hero-headline .em{ color:var(--brand); }
.hero-lead{
  font-size:0.98rem; line-height:1.9; color:var(--ink-dim);
  max-width:34ch; margin-bottom:34px; text-wrap:pretty;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:13px; margin-bottom:38px; }

.hero-credo{
  display:flex; align-items:center; gap:14px;
  padding-top:22px; border-top:1px solid var(--line);
  max-width:560px;
}
.hero-credo .jp{ font-family:var(--disp); font-weight:700; font-size:1rem; color:var(--ink); letter-spacing:0.02em; }
.hero-credo .en{ font-family:var(--mono); font-size:0.66rem; letter-spacing:0.22em; text-transform:uppercase; color:var(--ink-faint); }
.hero-credo .sep{ width:1px; height:16px; background:var(--line-2); }

.hero-scroll{
  position:absolute; left:var(--pad); bottom:26px; z-index:3;
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:0.6rem; letter-spacing:0.3em; text-transform:uppercase;
  color:var(--ink-faint);
}
.hero-scroll .bar{ display:block; width:34px; height:1px; background:var(--ink-faint); position:relative; overflow:hidden; }
.hero-scroll .bar::after{ content:''; position:absolute; left:0; top:0; width:12px; height:100%; background:var(--brand); animation:scrollSlide 2.2s var(--ease) infinite; }
@keyframes scrollSlide{ 0%{ transform:translateX(-12px);} 60%,100%{ transform:translateX(34px);} }

/* ============================================================
   Flagship feature (魂の共鳴)
   ============================================================ */
.flagship{ display:flex; flex-direction:column; gap:0; position:relative; }
.flagship-media{ order:2; position:relative; margin-bottom:26px; }
.flagship-frame{
  position:relative; border-radius:10px; overflow:hidden;
  border:1px solid var(--line-2); background:#0a0d0c;
  aspect-ratio:9/16; max-width:300px; margin:0 auto;
  box-shadow:0 30px 80px rgba(0,0,0,0.55);
}
.flagship-frame::after{ content:''; position:absolute; inset:-2px; border-radius:10px; pointer-events:none; box-shadow:inset 0 0 0 1px var(--accent); opacity:.4; }
.flagship-frame img{ width:100%; height:100%; object-fit:cover; object-position:top center; }
.flagship-media::before{
  content:''; position:absolute; inset:-8% -4%; z-index:-1;
  background:radial-gradient(55% 55% at 50% 40%, var(--accent-glow), transparent 70%);
  filter:blur(26px); opacity:.7;
}

.flagship-body{ order:1; }
.flagship-badge{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:0.62rem; letter-spacing:0.2em; text-transform:uppercase;
  color:var(--accent); border:1px solid var(--accent); border-radius:100px;
  padding:5px 13px; margin:14px 0 18px;
  background:color-mix(in srgb, var(--accent) 12%, transparent);
}
.flagship-badge .pip{ width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 8px var(--accent); }
.work-title{
  font-family:var(--disp); font-weight:700;
  font-size:clamp(1.7rem, 7vw, 2.7rem); line-height:1.18; letter-spacing:-0.01em;
  color:var(--ink); margin-bottom:18px;
}
.work-meta{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
.chip{
  font-family:var(--mono); font-size:0.62rem; letter-spacing:0.1em; text-transform:uppercase;
  padding:5px 11px; border-radius:2px; border:1px solid var(--line-2); color:var(--ink-dim);
  display:inline-flex; align-items:center; gap:6px;
}
.chip-genre{ border-color:var(--accent); color:var(--accent); background:color-mix(in srgb, var(--accent) 10%, transparent); }
.chip svg{ width:11px; height:11px; opacity:.7; }
.work-desc{ font-size:0.97rem; line-height:1.95; color:var(--ink-dim); margin-bottom:28px; max-width:52ch; text-wrap:pretty; }
.flagship-body .work-desc{ order:3; }
.flagship-cta{ order:4; display:flex; flex-wrap:wrap; gap:12px; }

/* ============================================================
   Work panels (ぴよ / 14番地) — cinematic scrim panels
   ============================================================ */
.panel-grid{ display:flex; flex-direction:column; gap:20px; margin-top:64px; }
.work-panel{
  position:relative; border-radius:10px; overflow:hidden;
  border:1px solid var(--line-2); background:#0a0d0c;
  min-height:340px; display:flex;
  transition:transform .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.work-panel:hover{ transform:translateY(-6px); border-color:var(--accent); box-shadow:0 30px 70px rgba(0,0,0,0.5), 0 0 40px -8px var(--accent-glow); }
.work-shot{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease); }
.work-panel:hover .work-shot{ transform:scale(1.05); }
.work-scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(7,10,11,0.15) 0%, rgba(7,10,11,0.4) 45%, rgba(7,10,11,0.95) 100%);
}
.work-scrim::after{ content:''; position:absolute; inset:0; background:linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--accent) 18%, transparent) 130%); mix-blend-mode:screen; opacity:.5; }
.work-overlay{
  position:relative; z-index:2; margin-top:auto; padding:26px 24px;
  display:flex; flex-direction:column; gap:13px; width:100%;
}
.work-overlay .cat-no{ color:var(--accent); }
.work-overlay .work-title{ font-size:clamp(1.5rem, 6vw, 2rem); margin:0; }
.work-overlay .work-meta{ margin:0; }
.work-overlay .work-desc{ margin:0; font-size:0.9rem; line-height:1.7; color:var(--ink-dim);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.work-cta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:4px; }

/* ============================================================
   Apps — subordinate
   ============================================================ */
.apps-head{ display:flex; align-items:baseline; gap:14px; flex-wrap:wrap; margin-bottom:34px; }
.apps-head .eyebrow{ color:var(--ink-faint); }
.apps-title{ font-family:var(--disp); font-weight:700; font-size:clamp(1.5rem,6vw,2rem); letter-spacing:-0.01em; }
.apps-title .sub{ font-family:var(--mono); font-size:0.68rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--ink-faint); margin-left:12px; }

.app-card{
  --accent:#5b8def; --accent-glow:rgba(91,141,239,0.28);
  display:flex; gap:20px; align-items:center;
  background:linear-gradient(180deg, var(--panel), var(--bg-2));
  border:1px solid var(--line); border-radius:12px; padding:22px;
  position:relative; overflow:hidden;
}
.app-card-icon{ width:64px; height:64px; border-radius:14px; flex-shrink:0; border:1px solid var(--line-2); }
.app-card-body{ min-width:0; flex:1; }
.app-card .work-title{ font-size:1.15rem; margin-bottom:10px; }
.app-card .work-meta{ margin-bottom:12px; }
.app-card .work-desc{ font-size:0.88rem; line-height:1.7; margin-bottom:0; }
.app-card-cta{ flex-shrink:0; }

/* ============================================================
   PWA guide
   ============================================================ */
.pwa-guide{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:radial-gradient(900px 460px at 50% 0%, rgba(52,226,160,0.04), transparent 60%); }
.pwa-lead{ text-align:center; max-width:680px; margin:0 auto 10px; color:var(--ink); font-size:1rem; line-height:1.9; }
.pwa-sub{ text-align:center; max-width:680px; margin:0 auto 48px; color:var(--ink-dim); font-size:0.9rem; }
.pwa-grid{ display:flex; flex-direction:column; gap:18px; }
.pwa-card{ background:linear-gradient(180deg, var(--panel), var(--bg-2)); border:1px solid var(--line); border-radius:12px; padding:28px 24px; transition:transform .5s var(--ease), border-color .5s var(--ease); }
.pwa-card:hover{ transform:translateY(-4px); border-color:var(--line-2); }
.pwa-card-head{ display:flex; align-items:center; gap:14px; margin-bottom:22px; padding-bottom:20px; border-bottom:1px solid var(--line); }
.pwa-ic{ display:inline-flex; align-items:center; justify-content:center; width:46px; height:46px; border-radius:11px; background:rgba(52,226,160,0.1); border:1px solid var(--brand-dim); color:var(--brand); flex-shrink:0; }
.pwa-card-title{ font-family:var(--disp); font-size:1.05rem; font-weight:700; }
.pwa-steps{ list-style:none; counter-reset:s; display:flex; flex-direction:column; gap:15px; margin-bottom:18px; }
.pwa-steps li{ position:relative; padding-left:40px; font-size:0.88rem; color:var(--ink-dim); line-height:1.65; counter-increment:s; }
.pwa-steps li::before{ content:counter(s,decimal-leading-zero); font-family:var(--mono); position:absolute; left:0; top:1px; width:26px; height:26px; display:flex; align-items:center; justify-content:center; border-radius:50%; background:var(--panel-2); border:1px solid var(--brand-dim); color:var(--brand); font-size:0.66rem; }
.pwa-steps strong{ color:var(--ink); font-weight:700; }
.pwa-note{ font-size:0.76rem; color:var(--ink-faint); line-height:1.65; padding-top:16px; border-top:1px solid var(--line); }
.pwa-faq{ text-align:center; margin-top:44px; font-size:0.9rem; color:var(--ink-dim); }
.pwa-faq a{ text-decoration:underline; text-underline-offset:3px; }

/* ============================================================
   Tester recruit
   ============================================================ */
.recruit{ padding:64px 0; }
.recruit-banner{
  position:relative; overflow:hidden; border-radius:18px; border:1px solid var(--brand-dim);
  background:radial-gradient(620px 380px at 85% -40%, rgba(52,226,160,0.16), transparent 60%), linear-gradient(135deg, var(--panel-2), var(--bg-2));
  padding:48px 28px; text-align:center;
}
.recruit-banner .eyebrow{ justify-content:center; color:var(--brand); margin-bottom:16px; }
.recruit-banner .ticks::before, .recruit-banner .ticks::after{ border-color:var(--brand); }
.recruit-title{ font-family:var(--disp); font-weight:700; font-size:clamp(1.4rem,5vw,2.1rem); line-height:1.35; margin-bottom:14px; }
.recruit-desc{ color:var(--ink-dim); font-size:0.95rem; line-height:1.85; margin-bottom:28px; max-width:600px; margin-left:auto; margin-right:auto; }

/* ============================================================
   About
   ============================================================ */
.about{ text-align:center; }
.about-inner{ max-width:680px; margin:0 auto; }
.about-inner .eyebrow{ justify-content:center; margin-bottom:24px; }
.about-lede{ font-family:var(--disp); font-weight:700; font-size:clamp(1.4rem,5vw,2rem); line-height:1.55; color:var(--ink); margin-bottom:22px; letter-spacing:-0.01em; text-wrap:balance; }
.about-body{ color:var(--ink-dim); font-size:1rem; line-height:2.05; text-wrap:pretty; }
.about-help{ margin-top:24px; font-size:0.85rem; color:var(--ink-faint); }
.about-help a{ text-decoration:underline; text-underline-offset:3px; }

@media (prefers-reduced-motion:reduce){
  .hero-art-layer{ animation:none; opacity:.4; }
  .hero-scroll .bar::after{ animation:none; }
}

/* ============================================================
   ≥ 600px  (home-only)
   ============================================================ */
@media (min-width:600px){
  .work-panel{ min-height:400px; }
  .recruit-banner{ padding:60px 48px; }
  .hero-art-2{ display:block; top:38%; right:30%; width:42%; aspect-ratio:16/9; animation-delay:.2s; }
}

/* ============================================================
   ≥ 900px  (home-only desktop expansion)
   ============================================================ */
@media (min-width:900px){
  .hero{ padding-top:calc(var(--header-h) + 60px); }
  .hero-art-1{ top:2%; right:-2%; width:38%; max-height:80%; aspect-ratio:9/16; }
  .hero-art-2{ display:block; top:14%; right:32%; width:26%; aspect-ratio:16/9; }
  .hero-art-3{ bottom:6%; right:8%; left:auto; width:30%; aspect-ratio:16/9; }
  .hero-scrim{ background:
      radial-gradient(95% 95% at 80% 42%, transparent 0%, rgba(6,9,10,0.25) 55%, rgba(5,7,8,0.82) 100%),
      linear-gradient(90deg, rgba(5,7,8,0.96) 0%, rgba(5,7,8,0.55) 46%, rgba(5,7,8,0.05) 82%); }
  .hero-inner{ max-width:var(--maxw); }
  .hero-lead{ font-size:1.05rem; }

  .flagship{ flex-direction:row; align-items:center; gap:56px; }
  .flagship-media{ order:2; flex:0 0 40%; margin-bottom:0; }
  .flagship-frame{ max-width:none; }
  .flagship-body{ order:1; flex:1; display:flex; flex-direction:column; }
  .flagship-body .work-desc{ order:0; }
  .flagship-cta{ order:0; }

  .panel-grid{ flex-direction:row; gap:24px; margin-top:80px; }
  .work-panel{ flex:1; min-height:460px; }
  .work-cta{ opacity:0; transform:translateY(10px); transition:opacity .45s var(--ease), transform .45s var(--ease); }
  .work-panel:hover .work-cta, .work-panel:focus-within .work-cta{ opacity:1; transform:none; }
  .work-overlay .work-desc{ -webkit-line-clamp:3; }

  .app-card{ padding:28px 30px; }

  .pwa-grid{ flex-direction:row; }
  .pwa-card{ flex:1; }
}

@media (min-width:1100px){
  .hero-headline{ font-size:5.6rem; }
}