:root{
  --bg:#ffffff;
  --bg-alt:#f8f9fa;
  --text:#3c4043;
  --text-heading:#202124;
  --muted:#5f6368;
  --gold:#b89a26;
  --gold-bg:rgba(212,175,55,.08);
  --line:#e8eaed;
  --accent-blue:#e8f0fe;

  /* === VoxSpool Accent (Ultra Thin Mint) === */
  --voxspool-mint: rgba(198, 240, 225, 0.45);      /* 背景にじみ用 */
  --voxspool-mint-bg: rgba(198, 240, 225, 0.75);   /* ボタン背景 */
  --voxspool-mint-border: rgba(120, 200, 175, 0.55);
  --voxspool-mint-ink: #1f7f66;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family:'Inter','Noto Sans JP',sans-serif;
  color:var(--text);
  line-height:1.8;
  padding-top:72px;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 70% 5%, var(--voxspool-mint), transparent 50%),
    radial-gradient(circle at 10% 120%, #FAFAFA, transparent 55%);
  background-color:var(--bg);
}

a{ color:inherit; text-decoration:none; transition:color .2s ease; }
a:hover{ color:var(--text-heading); }

section, footer{
  padding:120px 24px;
  scroll-margin-top:96px;
  position:relative;
}

.container{ max-width:960px; margin:0 auto; }

.en{ font-family:'Inter',sans-serif; letter-spacing:.05em; }
.gold{ color:var(--gold); font-weight:500; }
.muted{ color:var(--muted); }

h1,h2,h3{
  font-weight:400;
  line-height:1.4;
  color:var(--text-heading);
  margin-top:0;
}
h1{ font-size:clamp(32px,5vw,56px); letter-spacing:-.02em; }
h2{ font-size:clamp(24px,3.5vw,32px); margin-bottom:40px; letter-spacing:-.01em; }
h3{ font-size:20px; font-weight:500; margin-bottom:10px; }
p{ margin-bottom:18px; }

.pill{
  display:inline-block;
  padding:8px 16px;
  border:1px solid var(--gold);
  border-radius:999px;
  font-size:11px;
  letter-spacing:.15em;
  color:var(--gold);
  background-color:var(--gold-bg);
  margin-bottom:18px;
}

nav{
  position:fixed;
  top:0; left:0; right:0;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 2px rgba(0,0,0,.02);
  z-index:100;
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:28px; opacity:.92; }
.right{ display:flex; gap:24px; font-size:13px; font-weight:500; color:var(--muted); }
.right a:hover{ color:var(--gold); }

.hero{
  min-height:calc(100vh - 72px);
  display:flex;
  align-items:center;
  background:
    radial-gradient(circle at 70% 20%, var(--voxspool-mint), transparent 60%),
    radial-gradient(circle at 10% 80%, #FAFAFA, transparent 40%);
  background-color:var(--bg);
  padding-bottom:40px;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  padding:96px 0;
}
.hero-desc{ max-width:520px; line-height:1.9; }
.subhead{ font-size:18px; margin-top:-8px; }
.micro{ font-size:12px; margin-top:10px; }
.hero-visual{ justify-self:end; margin-right:-10px; }
.hero-visual img{
  width:100%;
  max-width:480px;
  opacity:.68;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  display:block;
}

/* Buttons */
.btn{
  display:inline-block;
  padding:12px 16px;
  border-radius:999px;
  font-size:13px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-heading);
}
.btn:hover{ border-color:var(--gold); color:var(--gold); }

.btn.primary{
  border-color:var(--gold);
  background:var(--gold-bg);
  color:var(--text-heading);
}
.btn.primary:hover{ background:rgba(212,175,55,.14); }

/* ✅ Proを“静かに強調” */
.btn.pro{
  border-color: var(--voxspool-mint-border);
  background: var(--voxspool-mint-bg);
  color: var(--text-heading);
}

.btn.pro:hover{
  border-color: rgba(31, 127, 102, 0.6);
  color: var(--voxspool-mint-ink);
}

.btn.ghost{ background:#fff; }
.cta-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:18px; }

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:start;
}
.visual-card{
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  overflow:hidden;
}
.visual-card img{
  width:100%;
  max-height:320px;
  object-fit:cover;
  display:block;
  opacity:.92;
}

.bullets{ padding-left:18px; margin:16px 0 0; }
.bullets li{ margin:8px 0; }

.steps{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.step{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px 18px 8px;
  background:#fff;
}

.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:20px;
}
.compare-card{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px 18px 8px;
  background:#fff;
}
.compare-card.highlight{ border-color:rgba(197,160,40,.45); background:rgba(212,175,55,.05); }
.note{
  margin-top:18px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.7);
}

.usecase-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:20px;
}
.usecase{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px 18px 8px;
  background:#fff;
}

.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:20px;
}
.trust-item{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px 18px 8px;
  background:#fff;
}

.pricing{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:22px;
}
.price-card{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px;
  background:#fff;
}
.price-card.highlight{
  border-color: var(--voxspool-mint-border);
  background: rgba(198, 240, 225, 0.45);
}
.price{ font-size:18px; margin:10px 0 14px; }

/* ✅ ① structure 画像を“思想の核”としてきれいに置く */
.structure-card{
  margin:18px 0 6px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  overflow:hidden;
}
.structure-card img{
  width:100%;
  display:block;
  opacity:.95;
}

/* ✅ ③ 背景色の切り替えを “スパッ” から “フェード” へ */
.fade-blue::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    180deg,
    rgba(198,240,225,0) 0%,
    rgba(198,240,225,.30) 55%,
    rgba(198,240,225,.45) 100%
  );
  pointer-events:none;
}
.fade-blue > .container{
  position:relative;
  z-index:1;
}

.faq{ margin-top:10px; }
.faq-q{
  width:100%;
  text-align:left;
  padding:16px 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  font-size:14px;
  color:var(--text-heading);
  margin:10px 0;
}
.faq-a{
  display:none;
  padding:0 6px 12px 6px;
}
.faq-a p{ margin:10px 8px 0; }

/* ✅ ⑥ 最後CTA：右側を埋める */
.download-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:26px;
  align-items:center;
}
.download-logo{
  display:flex;
  justify-content:flex-end;
}
.download-logo img{
  width:100%;
  max-width:260px;
  opacity:.92;
  filter:drop-shadow(0 10px 22px rgba(0,0,0,.10));
}

footer{
  background:#202124;
  color:#f1f3f4;
  padding:80px 24px;
  font-size:14px;
}
footer .muted{ color:#9aa0a6; }
.contact-link{
  color:inherit;
  text-decoration:none;
  transition:color .15s ease;
}
.contact-link:hover{ color:rgba(255,255,255,.85); }

@media (max-width: 900px){
  .trust-grid{ grid-template-columns:1fr 1fr; }
  .usecase-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px){
  section, footer{ padding:80px 20px; }
  .right{ display:none; }

  .hero-inner{
    grid-template-columns:1fr;
    padding:80px 0;
  }
  .hero-visual{ margin-top:26px; margin-right:0; justify-self:center; }
  .hero-visual img{ max-width:360px; }
  .two-col{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .compare{ grid-template-columns:1fr; }
  .pricing{ grid-template-columns:1fr; }
  .usecase-grid{ grid-template-columns:1fr; }

  .download-inner{ grid-template-columns:1fr; }
  .download-logo{ justify-content:flex-start; margin-top:14px; }
  .download-logo img{ max-width:160px; }
}

/* P6 icons (Google-like) */
.usecase-icons{
  width: 100%;
  max-width: 880px;
  margin: 18px auto 26px;
  display: block;
  opacity: 0.92;
}