/* 工事クラウド — module landing pages shared styles (blue × gold) */
:root{
  --blue:#1656a3; --blue-dark:#134a8c; --blue-deep:#0f3f7a;
  --blue-tint:#eef4fb; --blue-tint-2:#f4f7fb;
  --yellow:#f4b53a; --yellow-dark:#db9d1e; --on-yellow:#3a2a00;
  --green:#1f8a63; --green-tint:#e8f5ee;
  --ink:#16202e; --ink-2:#36414f; --muted:#54606f; --subtle:#76828f;
  --line:#dee3ea; --line-2:#eceff4; --bg:#fff; --bg-2:#f4f7fb; --bg-3:#eef4fb;
  --radius:14px; --radius-lg:20px; --radius-xl:28px; --radius-sm:9px;
  --shadow-xs:0 1px 2px rgba(20,40,80,.06);
  --shadow-sm:0 2px 8px rgba(20,40,80,.08);
  --shadow-md:0 10px 28px rgba(20,40,80,.10);
  --shadow-lg:0 24px 56px rgba(20,40,80,.14);
  --shadow-xl:0 36px 80px rgba(20,40,80,.18);
  --maxw:1120px;
  --font:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","YuGothic","Meiryo",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.4;font-weight:700;letter-spacing:.01em}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-tint{background:var(--bg-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.sec-head{text-align:center;max-width:700px;margin:0 auto 52px}
.sec-head h2{font-size:clamp(26px,4vw,38px);color:var(--ink)}
.sec-head p{margin-top:16px;color:var(--muted);font-size:17px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:700;font-size:16px;cursor:pointer;border:none;padding:0 26px;height:54px;border-radius:var(--radius);transition:transform .12s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-yellow{background:var(--yellow);color:var(--on-yellow);box-shadow:0 8px 20px rgba(244,181,58,.40)}
.btn-yellow:hover{background:var(--yellow-dark);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(22,86,163,.28)}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--blue);border:1.5px solid var(--line);box-shadow:var(--shadow-xs)}
.btn-outline:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{height:44px;font-size:15px;padding:0 20px}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line-2)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:.02em;color:var(--ink)}
.logo b{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a.navlink{padding:9px 14px;border-radius:9px;font-weight:700;font-size:15px;color:var(--ink-2);transition:background .15s,color .15s}
.nav-links a.navlink:hover{background:var(--blue-tint);color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-mobile{display:none;align-items:center;gap:10px;margin-left:auto}

/* hero */
.mhero{position:relative;padding:128px 0 64px;overflow:hidden}
.mhero::before{content:"";position:absolute;inset:0;background:radial-gradient(1000px 480px at 80% -10%,var(--accent-tint,#eef4fb),transparent 62%);pointer-events:none}
.back{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--muted);margin-bottom:18px}
.back:hover{color:var(--blue)}
.mhero h1{font-size:clamp(32px,5vw,52px);line-height:1.24;color:var(--ink);max-width:680px}
.mhero .sub{margin-top:20px;font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:600px}
.chip{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:8px 16px;font-weight:800;font-size:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.note{margin-top:16px;font-size:13.5px;color:var(--subtle)}

/* browser frame */
.browser{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);overflow:hidden}
.browser .bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:var(--bg-2);border-bottom:1px solid var(--line-2)}
.browser .bar .d{width:11px;height:11px;border-radius:50%}
.browser .bar .url{margin-left:12px;flex:1;max-width:340px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 12px;font-size:12px;color:var(--subtle);font-weight:600}
.browser img{width:100%;display:block}

/* phone frame */
.phone{width:280px;border-radius:38px;background:#0e1722;padding:11px;box-shadow:var(--shadow-xl)}
.phone .scr{border-radius:28px;overflow:hidden;background:#fff;position:relative}
.phone .notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:120px;height:24px;background:#0e1722;border-radius:0 0 16px 16px;z-index:2}
.phone img{width:100%;display:block}

/* feature rows */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:84px}
.frow:last-child{margin-bottom:0}
.frow.rev .ftext{order:2}
.ftext .fnum{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--blue);text-transform:uppercase}
.ftext h3{margin:10px 0 14px;font-size:clamp(22px,3vw,30px);color:var(--ink)}
.ftext p{color:var(--muted);font-size:16px;line-height:1.85}
.flist{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:11px}
.flist li{display:flex;align-items:flex-start;gap:10px;font-size:15px;font-weight:600;color:var(--ink-2)}
.flist .ck{width:22px;height:22px;border-radius:50%;background:var(--blue-tint);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;flex:none;margin-top:1px}

/* small feature cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-xs)}
.fcard .ico{width:50px;height:50px;border-radius:13px;background:var(--blue-tint);display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:16px}
.fcard h4{font-size:18px;margin-bottom:8px}
.fcard p{font-size:14px;color:var(--muted);line-height:1.7}

/* cross-link to other module */
.xlink{max-width:var(--maxw);margin:0 auto}
.xcard{display:flex;align-items:center;gap:22px;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius-xl);padding:30px 34px}
.xcard .xi{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:30px;flex:none;background:#fff;box-shadow:var(--shadow-xs)}
.xcard h4{font-size:20px;margin-bottom:4px}
.xcard p{font-size:14px;color:var(--muted)}
.xcard .btn{margin-left:auto}

/* footer cta + footer (shared with top) */
.footcta{position:relative;background:linear-gradient(125deg,var(--blue-deep),var(--blue));overflow:hidden}
.footcta::before{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 88% 10%,rgba(244,181,58,.28),transparent 60%);pointer-events:none}
.footcta-inner{position:relative;text-align:center;padding:80px 24px}
.footcta h2{color:#fff;font-size:clamp(26px,4vw,38px)}
.footcta p{color:rgba(255,255,255,.82);margin:18px auto 0;max-width:560px;font-size:17px}
.footcta .hero-actions{justify-content:center;margin-top:30px}
footer.site{background:#0e2238;color:rgba(255,255,255,.72);padding:60px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand .logo b{color:var(--yellow)}
.foot-brand p{font-size:13.5px;line-height:1.8;max-width:260px}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:14px}
.foot-col a{display:block;font-size:13.5px;padding:5px 0;color:rgba(255,255,255,.7);transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;text-align:center;font-size:12.5px;color:rgba(255,255,255,.5)}

@media(max-width:900px){
  .frow{grid-template-columns:1fr;gap:32px;margin-bottom:60px}
  .frow.rev .ftext{order:0}
  .frow .fmedia{order:-1}
  .grid-3{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .xcard{flex-wrap:wrap}.xcard .btn{margin-left:0;width:100%}
}
@media(max-width:760px){
  .sec{padding:60px 0}.mhero{padding:104px 0 48px}
  .nav-links,.nav-cta{display:none}.nav-mobile{display:flex}
}
@media(max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn,.footcta .btn{width:100%}
}