:root{
  --blue:#5E88FF; --pink:#FF9CD7; --ink:#1d2330; --sub:#5b6373;
  --line:#eceef4; --bg:#ffffff; --soft:#f7f8fc;
  --grad:linear-gradient(120deg,#5E88FF 0%,#9d7bf0 55%,#FF9CD7 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;
     color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}

/* header */
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;gap:26px;font-size:.92rem;color:var(--sub)}
.nav-links a:hover{color:var(--ink)}
.nav .cta{display:none}
@media(min-width:760px){.nav .cta{display:inline-block}}
.btn-grad{background:var(--grad);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:.9rem;
          box-shadow:0 6px 18px rgba(94,136,255,.35)}

/* hero */
.hero{padding:64px 0 40px;text-align:center;overflow:hidden}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;color:var(--blue);
         background:#eef2ff;border-radius:999px;padding:6px 14px;margin-bottom:22px}
h1.hero-title{font-size:clamp(2rem,6vw,3.4rem);line-height:1.25;letter-spacing:.01em;font-weight:900}
h1.hero-title .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:22px auto 0;max-width:620px;color:var(--sub);font-size:clamp(1rem,2.4vw,1.15rem)}
.badges{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.badge{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:#fff;border-radius:14px;
       padding:10px 18px;font-weight:700;box-shadow:0 4px 14px rgba(20,30,60,.05)}
.badge small{display:block;font-size:.66rem;color:var(--sub);font-weight:600}
.badge .soon{font-size:.66rem;color:#fff;background:var(--pink);border-radius:999px;padding:2px 8px;margin-left:4px}

/* hero visual */
.hero-visual{margin:48px auto 0;position:relative;width:min(520px,92%);height:340px}
.blob{position:absolute;inset:auto;filter:blur(0);}
.glow{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:520px;height:320px;
      background:radial-gradient(closest-side,rgba(157,123,240,.30),transparent);z-index:0}
.card{position:absolute;left:50%;top:50%;transform:translate(-58%,-52%) rotate(-7deg);z-index:1;
      width:210px;background:#fff;border-radius:14px;padding:12px 12px 40px;box-shadow:0 24px 50px rgba(20,30,60,.18)}
.card .photo{height:180px;border-radius:8px;background:var(--grad)}
.card .qr{position:absolute;right:16px;bottom:14px;width:54px;height:54px;border-radius:8px;background:#fff;
          padding:5px;box-shadow:0 6px 14px rgba(0,0,0,.18)}
.card .qr svg{display:block;width:100%;height:100%}
.phone{position:absolute;right:2%;top:50%;transform:translateY(-52%) rotate(5deg);z-index:2;
       width:172px;height:330px;border-radius:30px;background:#0d1117;padding:10px;box-shadow:0 26px 54px rgba(20,30,60,.28)}
.phone .screen{width:100%;height:100%;border-radius:22px;overflow:hidden;background:var(--grad);
               display:flex;align-items:center;justify-content:center}
.phone .screen img{width:64%;}
@media(max-width:560px){.phone{display:none}.card{transform:translate(-50%,-52%) rotate(-5deg)}}

/* generic section */
section.block{padding:60px 0}
.soft{background:var(--soft)}
.center{text-align:center}
h2.sec{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:900;letter-spacing:.01em}
.sec-lead{color:var(--sub);margin-top:12px;max-width:600px}
.center .sec-lead{margin-left:auto;margin-right:auto}

/* features */
.feature{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;margin-top:46px}
@media(min-width:820px){.feature{grid-template-columns:1fr 1fr;gap:54px}
  .feature.rev .ftext{order:2}}
.fart{height:260px;border-radius:20px;background:var(--grad);position:relative;overflow:hidden;
      box-shadow:0 20px 44px rgba(94,136,255,.22);display:flex;align-items:center;justify-content:center}
.fart .emoji{font-size:5rem;filter:drop-shadow(0 8px 16px rgba(0,0,0,.18))}
.feature h3{font-size:1.4rem;font-weight:800;margin-bottom:10px}
.feature h3 .num{display:inline-block;font-size:.8rem;color:var(--blue);background:#eef2ff;border-radius:8px;
                 padding:3px 9px;margin-right:10px;vertical-align:middle}
.feature p{color:var(--sub)}

/* steps */
.steps{display:grid;grid-template-columns:1fr;gap:20px;margin-top:46px}
@media(min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 20px;text-align:center;
      box-shadow:0 8px 22px rgba(20,30,60,.05)}
.step .n{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;
         display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.step .ic{font-size:2.2rem}
.step h4{margin:8px 0 6px;font-size:1.05rem}
.step p{font-size:.9rem;color:var(--sub)}

/* cta band */
.ctaband{background:var(--grad);color:#fff;border-radius:28px;padding:54px 24px;text-align:center;margin:64px 0}
.ctaband h2{color:#fff;font-size:clamp(1.5rem,4vw,2rem);font-weight:900}
.ctaband p{opacity:.95;margin-top:10px}
.ctaband .badges{margin-top:26px}
.ctaband .badge{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff}
.ctaband .badge small{color:rgba(255,255,255,.85)}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--sub);font-size:.88rem}
.foot{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a:hover{color:var(--ink)}