/* ---------- Reset / base ---------- */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{
  -webkit-text-size-adjust:100%;
  overflow-x:hidden;
  scroll-behavior:smooth;
}
body{
  overflow-x:hidden;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, "Helvetica Neue", Arial, sans-serif;
  color:var(--fg);
  background:
    radial-gradient(800px 240px at 90% -10%, rgba(59,130,246,.12), transparent 62%),
    radial-gradient(720px 240px at 10% 0%, rgba(16,185,129,.12), transparent 64%),
    var(--bg);
  line-height:1.7;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:root{
  --bg:#f8fafc;
  --surface:#ffffff;
  --fg:#0f172a;
  --muted:#64748b;
  --muted-dark:#475569;
  --line:#e2e8f0;
  --brand:#22c55e;
  --accent:#0ea5e9;
  --accent-soft:rgba(14,165,233,.12);
  --shadow:0 20px 60px rgba(15,23,42,.12);
}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.container.narrow{max-width:820px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size: clamp(34px, 6vw, 56px);letter-spacing:-.02em}
h2{font-size: clamp(26px, 4.2vw, 40px)}
h3{font-size: clamp(20px, 2.6vw, 24px);margin-bottom:.2em}
p{margin:.6em 0 0}
.lede{color:var(--muted);max-width:640px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:18px}
strong{font-weight:700}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(148,163,184,.24);
  transition:box-shadow .2s ease;
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:inherit;text-decoration:none}
.brand .logo-img{width:52px;height:52px;border-radius:14px;background:#fff;box-shadow:0 10px 25px rgba(15,23,42,.15);object-fit:cover}
.brand .name{font-size:20px}
.nav{margin-left:auto;display:flex;gap:20px}
.nav-link{color:var(--muted);text-decoration:none;font-size:15px;font-weight:600}
.nav-link:hover{color:var(--fg)}

.appstore-badge{display:inline-block;line-height:0}
.appstore-badge img{height:40px;width:auto;display:block}
.appstore-badge.big img{height:54px}

/* ---------- Sections ---------- */
.section{padding:72px 0;scroll-margin-top:92px}
.section:first-of-type{padding-top:96px}
.hero{position:relative;color:var(--fg)}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(900px 370px at 0% 0%, rgba(14,165,233,.16), transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,0.95fr);gap:48px;align-items:center}
.hero-sub{color:var(--muted);font-size:18px;margin-top:12px}
.hero .underline{background:linear-gradient(180deg, transparent 65%, rgba(34,197,94,.28) 65%);padding:0 .16em;border-radius:4px}
.hero-highlights{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px;color:var(--muted-dark);font-size:15px}
.hero-highlights li{display:flex;gap:8px;align-items:flex-start}
.hero-highlights strong{color:var(--fg);min-width:90px}
.cta-group{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.ghost-button{display:inline-flex;align-items:center;gap:6px;padding:12px 20px;border-radius:999px;border:1px solid rgba(100,116,139,.4);color:var(--muted-dark);text-decoration:none;font-weight:600;font-size:15px;transition:all .2s ease}
.ghost-button:hover{border-color:var(--accent);color:var(--accent)}
.hero-metrics{margin-top:36px;display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:18px}
.metric{background:var(--surface);border:1px solid rgba(148,163,184,.24);border-radius:18px;padding:18px;text-align:center;box-shadow:0 8px 26px rgba(15,23,42,.08)}
.metric-value{display:block;font-size:24px;font-weight:700;letter-spacing:-.01em;color:var(--fg)}
.metric-label{display:block;font-size:13px;color:var(--muted)}

.hero-visual{display:flex;justify-content:flex-end}
.mockup-stack{position:relative;display:grid;place-items:center;max-width:340px;width:100%}
.mockup{width:clamp(200px, 26vw, 280px);border-radius:30px;box-shadow:var(--shadow);border:10px solid var(--surface);background:var(--surface)}
.mockup.primary{z-index:3;transform:translateY(0)}
.mockup.secondary{position:absolute;left:6%;top:48%;transform:translate(-50%, -38%) rotate(-5deg);width:clamp(160px, 22vw, 230px);opacity:.96;z-index:2}
.mockup.floating{position:absolute;right:6%;top:58%;transform:translate(50%, -48%) rotate(6deg);width:clamp(150px, 20vw, 210px);opacity:.9;z-index:1}

/* ---------- Trust band ---------- */
.trust{background:rgba(255,255,255,.72);backdrop-filter:blur(18px);border-top:1px solid rgba(148,163,184,.16);border-bottom:1px solid rgba(148,163,184,.16)}
.trust-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:8px 0}
.trust-text{font-weight:600;color:var(--muted-dark)}
.trust-points{display:flex;gap:18px;flex-wrap:wrap;list-style:none;padding:0;margin:0;color:var(--muted)}

/* ---------- Features ---------- */
.features{position:relative}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}
.feature-card{background:var(--surface);border:1px solid rgba(148,163,184,.24);border-radius:22px;padding:26px;min-height:220px;box-shadow:0 18px 38px rgba(15,23,42,.06);transition:transform .2s ease, box-shadow .2s ease}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 24px 46px rgba(15,23,42,.12)}
.feature-card p{color:var(--muted-dark);font-size:15px}
.icon{width:34px;height:34px;margin-bottom:14px;background:linear-gradient(135deg, var(--brand), var(--accent));border-radius:12px;mask-size:contain;mask-repeat:no-repeat;mask-position:center}
.i-pen{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04a1.003 1.003 0 0 0 0-1.42l-2.34-2.34a1.003 1.003 0 0 0-1.42 0l-1.83 1.83 3.75 3.75 1.84-1.82z"/></svg>')}
.i-spark{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M11 21h-1l1-7H7l6-11h1l-1 7h4l-6 11z"/></svg>')}
.i-chart{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M3 3h2v18H3V3zm16 10h2v8h-2v-8zM11 9h2v12h-2V9zM7 13h2v8H7v-8zm8-10h2v18h-2V3z"/></svg>')}
.i-crown{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M5 16l-3-8 6 3 4-6 4 6 6-3-3 8H5zm0 2h14v2H5v-2z"/></svg>')}
.i-calc{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M7 2h10a3 3 0 0 1 3 3v14a3 3 0 0 1-3 3H7a3 3 0 0 1-3-3V5a3 3 0 0 1 3-3zm0 2a1 1 0 0 0-1 1v14a1 1 0 0 0 1 1h10a1 1 0 0 0 1-1V5a1 1 0 0 0-1-1H7zm2 3h2v2H9V7zm4 0h4v2h-4V7zM9 11h2v2H9v-2zm4 0h2v2h-2v-2zm0 4h4v2h-4v-2zM9 15h2v2H9v-2z"/></svg>')}
.i-moon{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M12 2a9.93 9.93 0 0 0-7.07 2.93C1.1 8.76 3.73 15 9 16.9 14.27 18.8 20.24 16 21.95 10.8A10 10 0 0 1 12 2z"/></svg>')}
.i-share{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7 0-.24-.03-.47-.09-.7l7.02-4.11A2.99 2.99 0 0 0 18 7.91c1.66 0 3-1.35 3-3.01A3 3 0 1 0 18 7.91c-.35 0-.69-.07-1-.18l-7.02 4.11c-.53-.47-1.2-.77-1.96-.77A3 3 0 1 0 8.02 18c.76 0 1.44-.3 1.96-.77l7.14 4.18c.3-.12.64-.19 1-.19a3 3 0 1 0 0-5.99z"/></svg>')}
.i-cloud{mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M19 18a4 4 0 0 0 0-8 4.5 4.5 0 0 0-8.8-1.5A5 5 0 0 0 6 18h13zm-7.5-3.5h2v-2h2v-2h-2v-2h-2v2h-2v2h2v2z"/></svg>')}

/* ---------- Workflow / steps ---------- */
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:24px}
.steps li{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid rgba(148,163,184,.24);border-radius:22px;padding:20px;box-shadow:0 16px 36px rgba(15,23,42,.06)}
.step-no{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(140deg, var(--brand), var(--accent));color:#fff;font-weight:800;font-size:18px;box-shadow:0 10px 24px rgba(34,197,94,.24)}
.step-body{color:var(--muted-dark)}
.step-body .phone{margin-top:16px}
.workflow .phone.sm{margin:16px auto 0;width:clamp(220px,60vw,360px)}
.workflow .step-body{text-align:center}
.workflow .steps .step-body p{margin-top:.4em}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}
.gallery-item{background:var(--surface);border:1px solid rgba(148,163,184,.24);border-radius:24px;padding:20px;box-shadow:0 18px 38px rgba(15,23,42,.06)}
.gallery-item img{border-radius:18px;margin-bottom:16px}
.gallery-item figcaption{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:18px;margin-top:28px}
.faq-item{background:var(--surface);border:1px solid rgba(148,163,184,.24);border-radius:18px;padding:24px;box-shadow:0 12px 28px rgba(15,23,42,.05)}
.faq-item p{color:var(--muted-dark);margin-top:.4em}

/* ---------- Privacy ---------- */
.checklist{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px;color:var(--muted-dark)}
.checklist li{position:relative;padding-left:32px}
.checklist li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:6px;background:var(--accent-soft);border:1px solid var(--accent)}
.privacy-note{margin-top:18px;color:var(--muted);font-size:14px}

/* ---------- CTA ---------- */
.cta{background:radial-gradient(600px 220px at 50% 0%, rgba(34,197,94,.22), transparent 70%),linear-gradient(180deg, rgba(14,116,144,.12) 0%, rgba(2,6,23,.04) 100%)}
.cta h2{margin-bottom:.4em}
.cta-sub{color:var(--muted-dark);font-size:17px;max-width:640px;margin:0 auto 16px}
.fine{color:var(--muted);font-size:14px;margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{padding:48px 0;background:#0f172a;color:#e2e8f0}
.footer-inner{display:flex;align-items:center;gap:24px;justify-content:space-between;flex-wrap:wrap}
.footer-inner .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-inner a{text-decoration:none;color:inherit;opacity:.78;font-size:14px}
.footer-inner a:hover{opacity:1}
.social{display:flex;align-items:center;gap:10px}
.social-link{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.x-mark{width:30px;height:30px;border-radius:10px;background:#fff;display:grid;place-items:center}
.x-mark img{width:18px;height:18px}
.footer-note{flex-basis:100%;margin-top:20px;font-size:13px;line-height:1.6;opacity:.8}
.footer-note a{text-decoration:underline}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero-metrics{grid-template-columns:repeat(3, minmax(0,1fr));justify-items:center}
  .mockup-stack{margin:0 auto}
  .hero-visual{justify-content:center}
  .mockup.secondary{transform:translate(-30%, -40%) rotate(-5deg)}
  .mockup.floating{transform:translate(30%, -48%) rotate(6deg)}
}
@media (max-width:920px){
  .nav{display:none}
  .header-inner{justify-content:center}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .section{padding:56px 0}
  .site-header{backdrop-filter:blur(12px)}
  .brand .logo-img{width:46px;height:46px}
  .hero-highlights{font-size:14px;text-align:left}
  .hero-highlights strong{min-width:auto}
  .cta-group{justify-content:center}
  .hero-metrics{grid-template-columns:1fr;gap:12px}
  .metric{padding:16px}
  .feature-grid{grid-template-columns:1fr}
  .steps li{grid-template-columns:1fr;text-align:center}
  .step-no{margin:0 auto 10px}
  .gallery{grid-template-columns:1fr}
  .trust-inner{justify-content:center;text-align:center}
  .trust-points{justify-content:center}
  .footer-inner{justify-content:center;text-align:center}
  .footer-inner .links{justify-content:center}
  .social{justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}