:root{
  --bg:#FBFBFD;
  --bg-2:#F5F5F7;
  --surface:#FFFFFF;
  --text:#1D1D1F;
  --text-dim:#515154;
  --text-mute:#86868B;
  --line:rgba(0,0,0,0.08);
  --line-2:rgba(0,0,0,0.14);
  --accent:#0071E3;
  --accent-hover:#0077ED;
  --f:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Display','Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);scroll-behavior:smooth}
body{font-family:var(--f);color:var(--text);background:var(--bg);line-height:1.6;font-size:17px;min-height:100vh}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-hover)}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,251,253,0.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;height:32px}
.brand img{height:28px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:24px;font-size:13px;color:var(--text-dim)}
.nav-links a{color:inherit}
.nav-links a:hover{color:var(--text)}
.lang-switch{display:inline-flex;background:var(--bg-2);border-radius:100px;overflow:hidden;font-size:11px;font-weight:500}
.lang-switch button{padding:5px 10px;color:var(--text-mute);transition:all .2s;border-radius:100px}
.lang-switch button.active{background:var(--text);color:#fff}

/* Hero */
.hero{padding:120px 0 100px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(0,113,227,0.06) 0%,transparent 70%);pointer-events:none}
.hero h1{font-size:clamp(44px,7vw,80px);font-weight:600;line-height:1.05;letter-spacing:-0.03em;margin-bottom:24px;position:relative}
.hero .eyebrow{display:inline-block;font-size:14px;font-weight:500;color:var(--accent);margin-bottom:20px;letter-spacing:-0.01em;position:relative}
.hero p{font-size:clamp(19px,2.2vw,24px);color:var(--text-dim);max-width:680px;margin:0 auto 40px;font-weight:400;position:relative}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 22px;border-radius:980px;font-size:15px;font-weight:500;transition:all .2s;letter-spacing:-0.01em}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff}
.btn-ghost{color:var(--accent);background:transparent}
.btn-ghost:hover{color:var(--accent-hover)}
.btn-ghost::after{content:'→';transition:transform .2s}
.btn-ghost:hover::after{transform:translateX(3px)}

/* Sections */
section{padding:100px 0}
section.tight{padding:80px 0}
.section-head{text-align:center;margin-bottom:60px}
.section-head .eyebrow{display:block;font-size:13px;font-weight:500;color:var(--accent);margin-bottom:14px;letter-spacing:0.02em;text-transform:uppercase}
.section-head h2{font-size:clamp(34px,4.5vw,52px);font-weight:600;letter-spacing:-0.025em;line-height:1.1;margin-bottom:16px}
.section-head p{color:var(--text-dim);font-size:19px;max-width:620px;margin:0 auto}

/* About */
.about{background:var(--bg-2)}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px}
.about-item{text-align:left}
.about-item h3{font-size:17px;font-weight:600;margin-bottom:8px;letter-spacing:-0.01em}
.about-item p{color:var(--text-dim);font-size:15px;line-height:1.55}

/* Apps */
.apps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.app-card{background:var(--surface);border-radius:22px;padding:48px 40px;text-align:center;border:1px solid var(--line);transition:all .3s;overflow:hidden;position:relative}
.app-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 20px 40px -20px rgba(0,0,0,0.08)}
.app-card img{width:88px;height:88px;border-radius:20px;margin:0 auto 24px;box-shadow:0 10px 30px -10px rgba(0,0,0,0.15)}
.app-card h3{font-size:28px;font-weight:600;letter-spacing:-0.02em;margin-bottom:10px}
.app-card .tagline{color:var(--text-dim);font-size:16px;margin-bottom:24px;min-height:48px}
.app-card .app-links{display:flex;gap:18px;justify-content:center;font-size:14px}

/* Sahanami card */
.sahanami{background:linear-gradient(135deg,#1D1D1F 0%,#2D2D30 100%);color:#fff;border-radius:22px;padding:60px 40px;text-align:center;margin-top:20px}
.sahanami img{width:56px;height:56px;border-radius:14px;margin:0 auto 20px;background:#fff;padding:8px}
.sahanami h3{font-size:32px;font-weight:600;letter-spacing:-0.02em;margin-bottom:12px;color:#fff}
.sahanami p{color:rgba(255,255,255,0.7);font-size:17px;max-width:520px;margin:0 auto 24px}
.sahanami a.btn-white{display:inline-flex;align-items:center;gap:6px;color:#1D1D1F;background:#fff;padding:11px 22px;border-radius:980px;font-size:15px;font-weight:500;transition:all .2s}
.sahanami a.btn-white:hover{background:rgba(255,255,255,0.9)}
.sahanami a.btn-white::after{content:'→'}

/* Services */
.services{background:var(--bg-2)}
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.service-card{background:var(--surface);border-radius:18px;padding:32px;border:1px solid var(--line);transition:all .2s}
.service-card:hover{border-color:var(--line-2)}
.service-card .icon{font-size:28px;margin-bottom:14px;display:block}
.service-card h3{font-size:19px;font-weight:600;letter-spacing:-0.01em;margin-bottom:8px}
.service-card p{color:var(--text-dim);font-size:15px;line-height:1.55}

.honest-note{max-width:760px;margin:48px auto 0;padding:28px 32px;background:var(--surface);border-radius:16px;border:1px solid var(--line);font-size:15px;color:var(--text-dim);line-height:1.6}
.honest-note strong{color:var(--text);font-weight:600;display:block;margin-bottom:8px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:40px}
.step{text-align:center}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;font-weight:600;font-size:17px;margin-bottom:18px}
.step h3{font-size:19px;font-weight:600;letter-spacing:-0.01em;margin-bottom:10px}
.step p{color:var(--text-dim);font-size:15px;line-height:1.55}

/* Contact */
.contact{background:var(--text);color:#fff;text-align:center}
.contact h2{color:#fff}
.contact p{color:rgba(255,255,255,0.7)}
.contact .email-big{font-size:clamp(24px,3.5vw,40px);font-weight:500;letter-spacing:-0.02em;margin:30px 0;display:inline-block;color:#fff;border-bottom:1px solid rgba(255,255,255,0.3);padding-bottom:4px;transition:border-color .2s}
.contact .email-big:hover{border-color:#fff;color:#fff}
.contact-links{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;font-size:15px;margin-top:20px}
.contact-links a{color:rgba(255,255,255,0.7)}
.contact-links a:hover{color:#fff}

/* Footer */
footer{background:var(--bg-2);color:var(--text-mute);padding:40px 0;font-size:13px;border-top:1px solid var(--line)}
.foot-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
.foot-inner a{color:var(--text-dim)}
.foot-inner a:hover{color:var(--text)}
.by-sahanami{display:inline-flex;align-items:center;gap:8px;color:var(--text-mute) !important;font-size:12px;padding:6px 12px;border-radius:100px;background:var(--surface);border:1px solid var(--line);transition:all .2s}
.by-sahanami:hover{color:var(--text) !important;border-color:var(--line-2)}
.by-sahanami img{width:18px;height:18px;border-radius:5px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}

/* Legal pages */
.legal{padding:80px 0 120px}
.legal .narrow{max-width:760px}
.legal .eyebrow-static{display:inline-block;font-size:12px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.legal h1{font-size:clamp(34px,5vw,56px);font-weight:600;line-height:1.1;letter-spacing:-0.025em;margin-bottom:16px}
.legal .lead{color:var(--text-dim);font-size:19px;margin-bottom:32px}
.legal .updated{font-size:13px;color:var(--text-mute);margin-bottom:48px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.legal h2{font-size:22px;font-weight:600;letter-spacing:-0.01em;margin:48px 0 14px}
.legal h3{font-size:16px;font-weight:600;margin:24px 0 10px}
.legal p,.legal ul,.legal ol{color:var(--text-dim);margin-bottom:14px;font-size:16px;line-height:1.7}
.legal ul,.legal ol{padding-left:22px}
.legal li{margin-bottom:6px}
.legal strong{color:var(--text);font-weight:600}
.legal code{background:var(--bg-2);padding:2px 6px;border-radius:4px;font-size:0.92em;color:var(--accent)}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

@media (max-width:768px){
  body{font-size:16px}
  .nav-links .n-link{display:none}
  .hero{padding:80px 0 70px}
  section{padding:70px 0}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .apps-grid,.services-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:32px}
  .app-card{padding:40px 28px}
  .sahanami{padding:48px 28px}
  .foot-inner{flex-direction:column;text-align:center;gap:14px}
}