/* =====================================================================
   Uncode 共有デザインシステム — 製品ページ（geo / sns / outreach）用
   会社トップ index.html のトークン/コンポーネントを踏襲し、
   ランディングページ向けの部品（hero / steps / plans / bench / faq …）を追加。
   index.html は自前のインラインCSSのまま（ライブ回帰防止）。
   ===================================================================== */

:root{
  --bg:#ffffff; --ink:#0d1017; --muted:#5b6470; --soft:#f5f7fb;
  --line:#e7ebf2; --accent:#5b6cff; --accent2:#8b5cf6; --dark:#0b0d13;
  --ok:#1a9c63; --warn:#e5484d;
  --radius:16px; --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Helvetica Neue",-apple-system,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}
.center{text-align:center}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(12px);
  background:rgba(255,255,255,.8);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.02em}
.logo .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;place-items:center;color:#fff;font-weight:800}
.nav-links{display:flex;gap:26px;align-items:center;font-size:14px;color:var(--muted);font-weight:600}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--ink);color:#fff;padding:11px 20px;border-radius:999px;
  font-weight:700;font-size:14px;transition:.2s;border:1px solid var(--ink);cursor:pointer}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.alt{background:transparent;color:var(--ink)}
.nav-links .btn{color:#fff}
@media(max-width:760px){.nav-links a:not(.btn){display:none}}

/* ---------- breadcrumb ---------- */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{font-weight:600}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{margin:0 8px;opacity:.5}

/* ---------- hero (product) ---------- */
.phero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:64px 0 92px}
.phero::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 380px at 18% -10%,rgba(91,108,255,.40),transparent 70%),
    radial-gradient(620px 380px at 92% 8%,rgba(139,92,246,.28),transparent 70%);
}
.phero .wrap{position:relative}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:#c7cfff;border:1px solid rgba(255,255,255,.22);padding:6px 14px;border-radius:999px;margin-bottom:24px}
.beta{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.08em;color:#0b0d13;
  background:linear-gradient(120deg,#8ea2ff,#c4a8ff);padding:3px 9px;border-radius:6px}
.phero h1{font-size:clamp(28px,4.8vw,50px);line-height:1.3;font-weight:800;max-width:14ch}
.phero h1 .g{background:linear-gradient(100deg,#8ea2ff,#c4a8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero p.lead{margin:24px 0 0;max-width:620px;color:#c3c9d6;font-size:clamp(15px,2.1vw,18px)}
.phero .cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.phero .btn{background:#fff;color:var(--dark);border-color:#fff}
.phero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.phero .micro{margin-top:16px;font-size:13px;color:#9aa3b5}

/* ---------- stat strip ---------- */
.strip{border-bottom:1px solid var(--line);background:var(--soft)}
.strip .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:28px 24px;text-align:center}
.strip .n{font-size:clamp(20px,3.2vw,28px);font-weight:800;background:linear-gradient(120deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.strip .t{font-size:13px;color:var(--muted);font-weight:600;margin-top:4px}
@media(max-width:600px){.strip .wrap{grid-template-columns:1fr;gap:16px}}

/* ---------- sections ---------- */
section{padding:84px 0}
section.tight{padding:64px 0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent);text-transform:uppercase}
.h2{font-size:clamp(23px,3.4vw,34px);font-weight:800;margin:12px 0 14px;line-height:1.36}
.sub{color:var(--muted);max-width:680px;font-size:15.5px}
.alt-bg{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- problem / value split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:42px;align-items:stretch}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;background:#fff}
.panel.bad{background:#fff7f7;border-color:#ffd9da}
.panel.good{background:#f4fbf7;border-color:#c7ecd7}
.panel h4{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.panel.bad h4{color:#c23b3f}
.panel.good h4{color:#127a4c}
.panel ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.panel li{position:relative;padding-left:26px;font-size:14.5px;color:#3a4150}
.panel.bad li::before{content:"✕";position:absolute;left:0;color:#e5484d;font-weight:800}
.panel.good li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}

/* ---------- steps (how it works) ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;counter-reset:step}
@media(max-width:860px){.steps{grid-template-columns:1fr}}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:#fff;position:relative;transition:.22s}
.step:hover{transform:translateY(-4px);box-shadow:0 18px 50px -28px rgba(20,30,80,.35);border-color:#d3d9ff}
.step .num{counter-increment:step;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));margin-bottom:18px}
.step .num::before{content:counter(step,decimal-leading-zero)}
.step .k{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--accent)}
.step h3{font-size:18px;font-weight:800;margin:5px 0 11px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- feature rows ---------- */
.rows{margin-top:44px;display:flex;flex-direction:column;gap:18px}
.rowx{display:grid;grid-template-columns:46px 1fr;gap:18px;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;background:#fff}
.rowx .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;
  background:linear-gradient(135deg,rgba(91,108,255,.12),rgba(139,92,246,.12))}
.rowx h3{font-size:17px;font-weight:800;margin-bottom:6px}
.rowx p{color:var(--muted);font-size:14.5px}

/* ---------- benchmark ---------- */
.bench{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:42px}
@media(max-width:760px){.bench{grid-template-columns:1fr}}
.bench .b{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:#fff}
.bench .b .name{font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.bench .b .name .raise{font-size:12px;font-weight:700;color:var(--accent2);white-space:nowrap}
.bench .b p{color:var(--muted);font-size:13.5px;margin-top:8px}
.bench-note{margin-top:20px;font-size:13px;color:var(--muted)}

/* ---------- plans ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;align-items:stretch}
@media(max-width:860px){.plans{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:#fff;display:flex;flex-direction:column}
.plan.feat{border-color:var(--accent);box-shadow:0 18px 50px -30px rgba(91,108,255,.6);position:relative}
.plan.feat::after{content:"先行募集中";position:absolute;top:-12px;right:22px;font-size:11px;font-weight:800;
  letter-spacing:.06em;color:#fff;background:linear-gradient(120deg,var(--accent),var(--accent2));padding:4px 12px;border-radius:999px}
.plan .pk{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--accent)}
.plan h3{font-size:20px;font-weight:800;margin:6px 0 8px}
.plan .price{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px}
.plan .price small{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-top:3px}
.plan .pd{color:var(--muted);font-size:14px;margin:10px 0 16px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:22px}
.plan li{position:relative;padding-left:24px;font-size:14px;color:#3a4150}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.plan .btn{margin-top:auto;text-align:center}
.plan.feat .btn{background:var(--accent);border-color:var(--accent)}
.plan.alt .btn{background:transparent;color:var(--ink)}

/* ---------- faq ---------- */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 4px;font-weight:700;font-size:16px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent);transition:.2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .a{padding:0 40px 24px 4px;color:var(--muted);font-size:14.5px}

/* ---------- CTA / contact ---------- */
.cta-box{margin-top:42px;border:1px solid var(--line);border-radius:22px;padding:42px 30px;
  background:linear-gradient(180deg,#fff,#f7f9ff)}
.cform{text-align:left;max-width:680px;margin:0 auto}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.frow{grid-template-columns:1fr;gap:0}}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{font-size:13px;font-weight:700;color:#2b3240;margin-bottom:7px}
.field .req{color:var(--accent)}
.field .hint{font-weight:500;color:var(--muted);font-size:12px}
.field input,.field textarea,.field select{
  font:inherit;font-size:15px;color:var(--ink);background:#fff;width:100%;
  border:1px solid var(--line);border-radius:12px;padding:13px 15px;transition:.18s}
.field textarea{resize:vertical;min-height:110px}
.field input::placeholder,.field textarea::placeholder{color:#aab2c0}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(91,108,255,.15)}
.field input:user-invalid,.field textarea:user-invalid{border-color:var(--warn)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fsubmit{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:8px}
.cform button.btn{border:none;font-weight:700;font-size:15px;padding:14px 32px}
.cform button.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.fnote{color:var(--muted);font-size:13px;margin:0}
.fnote a{color:var(--accent);font-weight:600}
.fstatus{margin:16px 0 0;font-size:14px;font-weight:600}
.fstatus:empty{margin:0}
.fstatus.err{color:var(--warn)}
.fstatus.err a{color:var(--warn);text-decoration:underline}
.fstatus.ok{color:var(--ok)}
.csuccess{text-align:center;padding:14px 8px}
.csuccess .cs-ico{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  margin:0 auto 16px;font-size:27px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2))}
.csuccess h3{font-size:20px;font-weight:800;margin-bottom:8px}
.csuccess p{color:var(--muted);font-size:14.5px;max-width:460px;margin:0 auto}

/* ---------- cross-sell (other products) ---------- */
.cross{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
@media(max-width:760px){.cross{grid-template-columns:1fr}}
.cross a{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:#fff;transition:.2s;display:block}
.cross a:hover{transform:translateY(-3px);box-shadow:0 16px 44px -28px rgba(20,30,80,.35);border-color:#d3d9ff}
.cross .pk{font-size:12px;font-weight:700;color:var(--accent)}
.cross h3{font-size:17px;font-weight:800;margin:5px 0 7px}
.cross p{color:var(--muted);font-size:13.5px}
.cross .go{margin-top:12px;font-size:13px;font-weight:700;color:var(--accent)}

/* ---------- footer ---------- */
footer{background:var(--dark);color:#aeb6c6;padding:48px 0 40px;font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
footer .logo{color:#fff;font-size:17px}
footer .logo .mark{width:26px;height:26px;border-radius:7px;font-size:14px}
footer .fnav{display:flex;gap:20px;flex-wrap:wrap}
footer .fnav a:hover{color:#fff}