:root{
  --navy:#0f172a;--ink:#172033;--muted:#64748b;--line:#d9e9e0;--bg:#f4fbf7;--white:#fff;--blue:#1976d2;--green:#16a05c;--green-deep:#0b5e35;--soft:#e9f7ef;--shadow:0 24px 70px rgba(15,23,42,.14);--radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:var(--ink);background:linear-gradient(180deg,#f1faf4 0%,#fff 38%,#f4fbf7 100%);line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(18px,4vw,56px);background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,232,241,.85)}.brand{display:flex;align-items:center;gap:12px}.mark{width:46px;height:46px;border:3px solid var(--blue);border-right-color:var(--green);border-bottom-color:var(--green);border-radius:50%;position:relative;display:grid;place-items:center;background:#fff}.mark:after{content:"";position:absolute;bottom:-2px;left:17px;width:12px;height:7px;background:#fff;border-left:3px solid var(--green);border-bottom:3px solid var(--green);border-radius:0 0 0 10px;transform:rotate(-8deg)}.mark span{font-weight:900;font-size:14px;color:var(--navy);letter-spacing:-.06em}.brand-text strong{display:block;font-weight:900;font-size:18px;line-height:1.1;color:var(--navy)}.brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.04em}.nav{display:flex;gap:22px;font-weight:800;color:#334155;font-size:14px}.hero{min-height:calc(100svh - 78px);display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.95fr);align-items:center;gap:48px;padding:64px clamp(18px,5vw,74px) 80px;overflow:hidden}.eyebrow{margin:0 0 14px;color:var(--green);font-weight:900;letter-spacing:.12em;text-transform:uppercase;font-size:13px}.hero h1{margin:0;max-width:760px;font-size:clamp(42px,6vw,78px);line-height:1.05;letter-spacing:-.055em;color:var(--navy);font-weight:950}.lead{margin:24px 0 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img{border-radius:22px;width:100%;height:100%;object-fit:cover}.phone.main{width:min(330px,55vw);right:12%;top:2%;z-index:3}.phone.sub{width:230px;opacity:.96}.phone.left{left:0;bottom:7%;transform:rotate(-5deg)}.phone.right{right:0;bottom:0;transform:rotate(5deg)}.section{padding:86px clamp(18px,5vw,74px)}.section-head{max-width:820px;margin:0 auto 34px;text-align:center}.section h2,.cta h2{margin:0;color:var(--navy);font-size:clamp(30px,4vw,52px);line-height:1.15;letter-spacing:-.04em;font-weight:950}.problem{background:#fff}.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1050px;margin:0 auto}.problem-card{padding:26px 18px;border-radius:22px;background:linear-gradient(180deg,#f3fbf6,#fff);border:1px solid var(--line);font-weight:950;text-align:center;font-size:20px;box-shadow:0 10px 30px rgba(15,23,42,.06)}.center-text{max-width:760px;margin:28px auto 0;text-align:center;color:#475569;font-weight:650}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:1160px;margin:0 auto}.feature-card{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 16px 42px rgba(15,23,42,.07)}.feature-card span{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:16px;background:#e6f6ec;color:var(--green);font-weight:950}.feature-card h3{margin:20px 0 8px;font-size:22px;color:var(--navy)}.feature-card p{margin:0;color:var(--muted);font-weight:650}.screenshots{background:var(--navy);color:#fff}.screenshots .section h2,.screenshots h2{color:#fff}.screenshots .eyebrow{color:#a7ecc4}.shot-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:1120px;margin:0 auto}.shot-row figure{margin:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:26px;padding:10px;overflow:hidden}.shot-row img{border-radius:18px;aspect-ratio:9/16;object-fit:cover}.shot-row figcaption{text-align:center;padding:14px 4px 6px;font-weight:900}.usecase{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;max-width:1160px;margin:0 auto}.usecase-copy p:last-child{color:#475569;font-weight:650;font-size:18px}.usecase-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.usecase-list div{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);font-weight:950;box-shadow:0 12px 32px rgba(15,23,42,.06)}.cta{text-align:center;padding:92px 18px;background:linear-gradient(135deg,#eef9f2,#e4f5ea)}.cta p:not(.eyebrow){max-width:680px;margin:18px auto 30px;color:#475569;font-weight:650}.footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:28px clamp(18px,5vw,74px);background:#fff;color:var(--muted);font-weight:750;border-top:1px solid var(--line)}.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-cta{display:none;align-items:center;justify-content:center;gap:6px;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;min-height:54px;border-radius:14px;background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(11,94,53,.34)}.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.reveal.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}@media(max-width:980px){.hero{grid-template-columns:1fr;padding-top:44px}.phone-stage{min-height:570px}.feature-grid,.problem-grid,.shot-row{grid-template-columns:repeat(2,1fr)}.usecase{grid-template-columns:1fr}}@media(max-width:680px){.nav-toggle{display:flex}.nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(255,255,255,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:6px 0;box-shadow:0 14px 30px rgba(15,23,42,.1)}.nav.open{display:flex}.nav a{padding:13px 22px;border-top:1px solid #eef3f6}.mobile-cta{display:flex}body.has-mobile-cta{padding-bottom:80px}.brand-text small{display:none}.hero{padding-bottom:50px}.hero h1{font-size:44px}.lead{font-size:17px}.actions .btn{width:100%}.phone-stage{min-height:520px}.phone.main{width:260px;right:50%;transform:translateX(50%)}.phone.sub{width:170px}.phone.left{left:0}.phone.right{right:0}.feature-grid,.problem-grid,.shot-row,.usecase-list{grid-template-columns:1fr}.section{padding:62px 18px}.shot-row{max-width:330px}.footer{display:block;text-align:center}.footer span{display:block;margin:6px 0}}