/* サッと返信 LP — redesign (claude). brand: deep green + warm white + gold accent */
:root{
  --green:#1B7A5A; --green-deep:#14523B; --green-700:#176548; --tint:#E7F2EC;
  --bg:#FBFAF7; --cream:#F4F1EA; --card:#FFFFFF;
  --ink:#15201B; --sub:#5E6B64; --line:#E7E8E4; --bubble:#EDEFEC;
  --gold:#C29A3B;
  --shadow:0 24px 60px rgba(20,40,30,.16);
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Zen Kaku Gothic New",-apple-system,"Hiragino Sans",sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.7;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:14px}

/* buttons */
.button{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;border:1.5px solid transparent;transition:.18s}
.button.primary{background:var(--green);color:#fff;box-shadow:0 6px 18px rgba(20,82,59,.22)}
.button.primary:hover{background:var(--green-deep);transform:translateY(-1px)}
.button.secondary{background:#fff;color:var(--green);border-color:var(--green)}
.button.secondary:hover{background:var(--tint)}
.button.full{width:100%;justify-content:center}

/* header */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;
  max-width:var(--maxw);margin:0 auto;padding:16px 24px;backdrop-filter:saturate(1.4) blur(8px);
  background:rgba(251,250,247,.82)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;
  box-shadow:0 2px 6px rgba(20,82,59,.3)}
.site-nav{display:flex;gap:26px;margin-left:18px;font-size:14px;font-weight:600;color:var(--sub)}
.site-nav a:hover{color:var(--ink)}
.site-header .grow{flex:1}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.lang-button{border:0;background:transparent;padding:6px 13px;font-size:12px;font-weight:700;color:var(--sub);cursor:pointer}
.lang-button.active{background:var(--green);color:#fff}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;max-width:var(--maxw);margin:0 auto;padding:64px 24px 56px}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.18;font-weight:900;letter-spacing:-.01em}
.hero h1 .u{background:linear-gradient(transparent 62%,rgba(194,154,59,.34) 0);padding:0 .08em}
.hero-lead{margin:22px 0 28px;font-size:17px;color:var(--sub);max-width:30em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.cta-note{margin-top:16px;font-size:13px;color:var(--sub)}
.cta-note b{color:var(--green)}
.status-line{margin-top:10px;font-size:13px;color:var(--green);min-height:18px}

/* hero demo panel */
.demo-stage{position:relative;display:flex;justify-content:center}
.panelcard{width:380px;background:var(--bg);border-radius:18px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.05);overflow:hidden}
.pc-tb{height:28px;display:flex;align-items:center;gap:7px;padding:0 13px}
.pc-tb i{width:10px;height:10px;border-radius:50%}
.pc-tb i:nth-child(1){background:#ff5f57}.pc-tb i:nth-child(2){background:#febc2e}.pc-tb i:nth-child(3){background:#28c840}
.pc-body{padding:4px 16px 16px}
.pc-head{display:flex;align-items:center;gap:8px;margin-bottom:11px}
.pc-head .t{font-size:12px;font-weight:700}
.pc-chip{font-size:10px;color:var(--sub);background:#EFF0ED;border-radius:999px;padding:2px 8px}
.pc-quote{display:flex;gap:8px;margin-bottom:12px}
.pc-av{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#cfd8d3,#aeb8b2);flex:none}
.pc-bubble{background:var(--bubble);font-size:12.5px;line-height:1.5;padding:8px 11px;border-radius:3px 13px 13px 13px;color:#2c322f}
.pc-reply{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 13px;min-height:72px}
.pc-reply .lab{font-size:10px;font-weight:800;color:var(--green);letter-spacing:.04em;margin-bottom:6px}
.pc-reply p{font-size:13.5px;line-height:1.7;color:var(--ink)}
.pc-reply .cursor{display:inline-block;width:2px;height:1.05em;background:var(--green);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.pc-bar{display:flex;gap:7px;margin-top:11px;align-items:center}
.pc-tone{font-size:11px;font-weight:700;border:1px solid var(--line);border-radius:8px;padding:5px 10px;background:#fff}
.pc-bar .grow{flex:1}
.pc-btn{font-size:11px;font-weight:700;border-radius:8px;padding:5px 11px;border:1px solid var(--green);color:var(--green);background:#fff}
.pc-btn.fill{background:var(--green);color:#fff}
.demo-key{position:absolute;top:-16px;right:-14px;z-index:3;
  font-family:ui-monospace,SFMono-Regular,monospace;background:#1d211f;color:#fff;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(0,0,0,.28)}

/* sections */
section.band{background:var(--cream)}
.section{padding:72px 0}
.section-head{text-align:center;max-width:34em;margin:0 auto 44px}
.section-head h2{font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.01em}
.section-head p{color:var(--sub);margin-top:12px;font-size:16px}

/* before/after */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:880px;margin:0 auto}
.rcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.rcard .tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;letter-spacing:.06em;border-radius:999px;padding:4px 11px;margin-bottom:14px}
.rcard.muted{background:#F6F6F4}
.rcard.muted .tag{background:#EAEAE7;color:#8A8F8B}
.rcard.muted p{color:#7C827E}
.rcard.strong{border-color:var(--green);box-shadow:0 12px 30px rgba(27,122,90,.1)}
.rcard.strong .tag{background:var(--tint);color:var(--green)}
.rcard p{font-size:15px;line-height:1.85}

/* features */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:980px;margin:0 auto}
.feature-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px}
.feature-icon{width:40px;height:40px;border-radius:11px;background:var(--tint);color:var(--green);display:grid;place-items:center;font-weight:900;font-size:17px;margin-bottom:16px}
.feature-item h3{font-size:17px;font-weight:800;margin-bottom:8px}
.feature-item p{color:var(--sub);font-size:14.5px}
.apps{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.apps span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;color:var(--sub)}

/* pricing */
.pricing-wrap{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(420px,1.2fr);gap:32px;align-items:center;max-width:1040px;margin:0 auto}
.pricing-copy h2{font-size:clamp(26px,3vw,34px);font-weight:900}
.pricing-copy p{color:var(--sub);margin-top:12px}
.pricing-plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.price-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.plan-name{font-size:13px;font-weight:800;color:var(--green);letter-spacing:.08em;text-transform:uppercase}
.price{font-size:36px;font-weight:900;margin:6px 0 18px}
.price span{font-size:16px;font-weight:700;color:var(--sub)}
.price-panel ul{list-style:none;margin-bottom:22px}
.price-panel li{padding:8px 0 8px 28px;position:relative;font-size:14.5px;border-top:1px solid var(--line)}
.price-panel li:first-child{border-top:0}
.price-panel li::before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:900}

/* trust */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:920px;margin:0 auto}
.trust-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.trust-grid h2{font-size:20px;font-weight:800;margin:6px 0 10px}
.trust-grid p{color:var(--sub);font-size:14.5px}

/* faq */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.faq-list summary{font-weight:700;cursor:pointer;list-style:none;font-size:15.5px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list details[open] summary{color:var(--green)}
.faq-list p{color:var(--sub);margin-top:10px;font-size:14.5px}

/* final cta + footer */
.final{text-align:center;padding:80px 24px}
.final h2{font-size:clamp(28px,3.4vw,40px);font-weight:900;margin-bottom:10px}
.final p{color:var(--sub);margin-bottom:26px}
.site-footer{border-top:1px solid var(--line);padding:30px 24px;text-align:center;color:var(--sub);font-size:13px}
.site-footer a{text-decoration:underline;text-underline-offset:3px}

/* legal */
.legal-header{position:static;border-bottom:1px solid var(--line)}
.legal-page{max-width:760px;margin:0 auto;padding:56px 24px 88px}
.legal-page h1{font-size:34px;line-height:1.3;margin-bottom:10px}
.legal-updated{color:var(--sub);font-size:14px;margin-bottom:40px}
.legal-page section{padding:24px 0;border-top:1px solid var(--line)}
.legal-page h2{font-size:20px;margin-bottom:12px}
.legal-page h3{font-size:16px;margin:18px 0 8px}
.legal-page p,.legal-page li{color:var(--sub);font-size:15px}
.legal-page ul{padding-left:22px;margin-top:8px}
.legal-page a{color:var(--green);text-decoration:underline;text-underline-offset:3px}

/* hero Slack chat demo */
.chatcard{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;width:100%;max-width:440px}
.cc-top{display:flex;align-items:center;gap:8px;padding:13px 18px;background:#4A154B;color:#fff;font-weight:800;font-size:13px}
.cc-top .cc-app{letter-spacing:.02em}
.cc-top .cc-dot{width:9px;height:9px;border-radius:50%;background:#2EB67D;margin-left:auto;box-shadow:0 0 0 3px rgba(46,182,125,.25)}
.cc-thread{padding:20px 18px 6px}
.cc-msg{display:flex;gap:11px;align-items:flex-start}
.cc-msg .cc-av{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#C29A3B,#E0C46A);flex:none}
.cc-name{font-weight:800;font-size:13px;margin-bottom:3px}
.cc-bubble{font-size:15px;color:var(--ink);background:var(--bubble);border-radius:4px 14px 14px 14px;padding:10px 14px;display:inline-block}
.cc-compose{padding:8px 18px 20px}
.cc-intent{display:flex;align-items:center;gap:10px;background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:11px 14px;margin-top:8px}
.cc-intent-lab{font-size:11px;font-weight:800;color:var(--green);background:var(--tint);border-radius:6px;padding:3px 8px;white-space:nowrap}
.cc-intent-val{font-size:15px;font-weight:600}
.cursor{display:inline-block;width:2px;height:1.05em;background:var(--green);margin-left:1px;vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{0%,50%{opacity:1}50.01%,100%{opacity:0}}
.cc-draft{margin-top:12px;border:1.5px solid var(--tint);border-radius:14px;padding:14px;opacity:0;transform:translateY(8px);transition:.4s;position:relative}
.cc-draft.show{opacity:1;transform:none}
.cc-draft-lab{font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--green);margin-bottom:7px}
.cc-draft p{font-size:15px;line-height:1.7;min-height:1.7em}
.cc-send{margin-top:12px;border:0;background:var(--green);color:#fff;font-weight:800;font-size:13px;border-radius:10px;padding:9px 16px;cursor:pointer;float:right;transition:.25s}
.cc-send.sent{background:var(--green-deep);transform:scale(.96)}
.cc-send.sent::after{content:"✓";margin-left:6px}

/* pain */
.pain-wrap{text-align:center;max-width:720px;margin:0 auto;padding:8px 0}
.pain-wrap h2{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.01em}
.pain-lead{color:var(--sub);font-size:16px;margin-top:14px}

/* use cases (3 appeals) */
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.use-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 22px;transition:.18s}
.use-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.use-emoji{font-size:30px;margin-bottom:12px}
.use-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.use-card p{color:var(--sub);font-size:14.5px}
.use-badge{position:absolute;top:16px;right:16px;font-size:10.5px;font-weight:800;letter-spacing:.03em;border-radius:999px;padding:4px 10px}
.use-badge.now{background:var(--green);color:#fff}
.use-badge.soon{background:var(--cream);color:var(--gold);border:1px solid var(--gold)}

@media (max-width:820px){
  .hero{grid-template-columns:1fr;padding-top:40px}
  .demo-stage{order:-1}
  .compare,.feature-grid,.pricing-wrap,.pricing-plans,.trust-grid,.use-grid{grid-template-columns:1fr}
  .chatcard{max-width:100%}
  .site-nav{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important}}