/* 有限会社髙野興業 — Top page design (proposal) */
:root{
  --ink:#1a1a1a; --ink-2:#5b5652; --mute:#8f8a84;
  --bg:#ffffff; --bg-2:#f5f4f1; --bg-3:#efece7;
  --line:#e6e2dc; --line-2:#f0ede8;
  --accent:#3c5245; --accent-d:#2c3d33; --accent-t:#eef1ee;
  --sideW:min(6vw,80px);
  --sp:120px; --sp-sp:80px;
  --maxw:1200px;
  --fjp:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;
  --fen:"Outfit",var(--fjp);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--fjp);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.9;letter-spacing:.06em;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--accent);color:#fff;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--sideW);}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 var(--sideW);}

/* ---- signature heading (EN eyebrow + JP) ---- */
.eyebrow{font-family:var(--fen);font-size:12px;font-weight:500;letter-spacing:.28em;
  text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:12px;margin-bottom:18px;}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--accent);display:inline-block;}
.eyebrow.center{justify-content:center;}
.stitle{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.5;letter-spacing:.04em;}
.slead{margin-top:18px;color:var(--ink-2);font-size:16px;line-height:2.0;max-width:640px;}
.center .slead,.sec-head.center .slead{margin-left:auto;margin-right:auto;}
.sec-head{margin-bottom:48px;}
.sec-head.center{text-align:center;}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:500;letter-spacing:.08em;
  padding:16px 30px;border-radius:2px;border:1.5px solid var(--ink);color:var(--ink);background:transparent;
  transition:all .35s cubic-bezier(.2,.7,.2,1);cursor:pointer;line-height:1;}
.btn:hover{transform:translateY(-2px);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn.primary:hover{background:var(--accent-d);border-color:var(--accent-d);box-shadow:0 12px 28px rgba(60,82,69,.28);}
.btn.ghost{border:0;border-bottom:1.5px solid var(--ink);border-radius:0;padding:8px 2px;}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn.light{border-color:rgba(255,255,255,.7);color:#fff;}
.btn.light:hover{background:rgba(255,255,255,.12);}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.btn-row.center{justify-content:center;}
.arrow-c{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);display:inline-flex;
  align-items:center;justify-content:center;font-size:15px;transition:all .35s;flex:none;}

/* ---- header ---- */
.site-head{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px var(--sideW);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:background .4s,box-shadow .4s,padding .4s;}
.site-head .logo img{height:44px;width:auto;transition:filter .4s;}
.site-head .logo .lw{display:block;} .site-head .logo .ld{display:none;}
.gnav{display:flex;align-items:center;gap:28px;}
.gnav a{font-size:14px;letter-spacing:.08em;color:#fff;transition:color .3s;position:relative;}
.gnav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--accent);transition:width .3s;}
.gnav a:hover::after{width:100%;}
.head-cta{display:flex;align-items:center;gap:14px;}
.head-tel{color:#fff;font-family:var(--fen);font-weight:600;font-size:17px;letter-spacing:.04em;}
.head-tel small{display:block;font-size:10px;letter-spacing:.1em;opacity:.8;font-family:var(--fjp);font-weight:400;}
.menu-btn{display:none;}
/* scrolled */
.site-head.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line);padding:14px var(--sideW);}
.site-head.solid .logo .lw{display:none;} .site-head.solid .logo .ld{display:block;}
.site-head.solid .gnav a{color:var(--ink);}
.site-head.solid .head-tel{color:var(--ink);}

/* ---- hero ---- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;}
.hero .bg{position:absolute;inset:0;}
.hero .bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%;}
.hero .bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,26,26,.30) 0%,rgba(26,26,26,.10) 40%,rgba(26,26,26,.62) 100%),
             linear-gradient(90deg,rgba(26,26,26,.45) 0%,rgba(26,26,26,0) 60%);}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--sideW) 12vh;}
.hero .eyebrow{color:#fff;}
.hero .eyebrow::before{background:#fff;}
.hero h1{font-size:clamp(38px,6.4vw,80px);font-weight:700;line-height:1.32;letter-spacing:.05em;
  text-shadow:0 2px 30px rgba(0,0,0,.28);}
.hero .hsub{margin-top:24px;max-width:600px;font-size:16px;line-height:2.05;letter-spacing:.05em;
  color:rgba(255,255,255,.94);text-shadow:0 1px 16px rgba(0,0,0,.35);}
.hero .btn-row{margin-top:36px;}
.scrollcue{position:absolute;right:var(--sideW);bottom:36px;z-index:2;writing-mode:vertical-rl;
  font-family:var(--fen);font-size:11px;letter-spacing:.3em;color:#fff;display:flex;align-items:center;gap:14px;}
.scrollcue::after{content:"";width:1px;height:56px;background:rgba(255,255,255,.7);animation:cue 2s infinite;}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---- sections ---- */
section{position:relative;}
.s{padding:var(--sp) 0;overflow-x:clip;}
.s.tint{background:var(--bg-2);}
.s.ink{background:var(--accent-d);color:#fff;}
.ghost-en{position:absolute;font-family:var(--fen);font-weight:700;color:rgba(26,26,26,.035);
  font-size:clamp(90px,17vw,240px);line-height:1;letter-spacing:.02em;pointer-events:none;z-index:0;
  top:-.15em;left:calc(var(--sideW) - 6px);white-space:nowrap;}
.s>.wrap,.s>.wrap-narrow{position:relative;z-index:1;}

/* concept / omoi */
.omoi{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:min(7vw,84px);align-items:center;}
.omoi .fig{position:relative;}
.omoi .fig img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:2px;}
.omoi .fig .cap{position:absolute;left:-14px;bottom:26px;background:#fff;padding:14px 20px;font-size:12px;
  letter-spacing:.12em;color:var(--ink-2);box-shadow:0 12px 30px rgba(0,0,0,.08);}
.omoi .lead{font-size:17px;line-height:2.15;color:var(--ink);}
.omoi h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.6;margin:6px 0 22px;letter-spacing:.04em;}

/* grid & cards */
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,minmax(0,1fr));}
.g3{grid-template-columns:repeat(3,minmax(0,1fr));}
.card{background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;transition:transform .4s,box-shadow .4s;}
a.card:hover,.card-link:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.07);}
.card .ph{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3);}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s;}
a.card:hover .ph img{transform:scale(1.05);}
.card .body{padding:26px 24px 28px;}
.card .num{font-family:var(--fen);font-size:12px;letter-spacing:.2em;color:var(--accent);font-weight:600;}
.card h4{font-size:18px;font-weight:700;margin:12px 0 10px;letter-spacing:.03em;line-height:1.6;}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.95;}
.card .cnum{width:44px;height:44px;border-radius:50%;background:var(--accent-t);color:var(--accent);
  font-family:var(--fen);font-weight:600;display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:16px;}

/* anxieties / reason plain cards */
.pcard{background:#fff;border:1px solid var(--line);border-radius:3px;padding:34px 30px;}
.pcard .cnum{margin-bottom:18px;}
.pcard h4{font-size:18px;font-weight:700;margin-bottom:12px;letter-spacing:.03em;}
.pcard p{font-size:14.5px;color:var(--ink-2);line-height:1.95;}

/* service split */
.svc{display:grid;grid-template-columns:1.35fr 1fr;gap:30px;}
.svc a{display:block;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;transition:transform .4s,box-shadow .4s;}
.svc a:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.08);}
.svc .ph{overflow:hidden;background:var(--bg-3);}
.svc .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s;}
.svc a:hover .ph img{transform:scale(1.04);}
.svc .main .ph{aspect-ratio:16/9;} .svc .sub .ph{aspect-ratio:16/9;}
.svc .body{padding:32px 34px 36px;}
.svc .tag{display:inline-block;font-family:var(--fen);font-size:11px;letter-spacing:.18em;color:var(--accent);
  border:1px solid var(--accent);border-radius:999px;padding:5px 14px;margin-bottom:16px;font-weight:500;}
.svc .num{font-family:var(--fen);font-size:12px;letter-spacing:.2em;color:var(--accent);font-weight:600;}
.svc .main h3{font-size:26px;font-weight:700;margin:6px 0 14px;letter-spacing:.03em;}
.svc .sub h4{font-size:20px;font-weight:700;margin:8px 0 12px;}
.svc p{font-size:14.5px;color:var(--ink-2);line-height:2;}
.svc .more{margin-top:20px;font-size:13px;letter-spacing:.1em;color:var(--accent);font-weight:600;display:inline-flex;gap:8px;}

/* voice quote */
.quote{background:#fff;border:1px solid var(--line);border-radius:3px;padding:32px 28px;position:relative;}
.quote::before{content:"“";position:absolute;top:10px;right:22px;font-family:var(--fen);font-size:70px;color:var(--accent-t);line-height:1;}
.quote p{font-size:15px;color:var(--ink);line-height:2;position:relative;z-index:1;}
.quote .who{margin-top:18px;display:flex;align-items:center;gap:12px;}
.quote .av{width:44px;height:44px;border-radius:50%;background:var(--bg-3);flex:none;}
.quote .who .m{font-size:12px;color:var(--mute);letter-spacing:.06em;}

/* area / company */
.split2{display:grid;grid-template-columns:1.05fr .95fr;gap:min(6vw,72px);align-items:center;}
.figframe img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:2px;}
.notebox{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:2px;padding:24px 26px;}
.notebox b{display:block;margin-bottom:8px;letter-spacing:.04em;}
.notebox p{font-size:14px;color:var(--ink-2);line-height:1.9;}
.cap-note{display:block;margin-top:10px;font-size:11px;color:var(--mute);}
.wtable{width:100%;border-collapse:collapse;}
.wtable th,.wtable td{text-align:left;vertical-align:top;padding:16px 4px;border-bottom:1px solid var(--line);font-size:14.5px;}
.wtable th{width:34%;font-weight:700;letter-spacing:.04em;color:var(--ink);}
.wtable td{color:var(--ink-2);}
.iggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.iggrid .ph{aspect-ratio:1;background:var(--bg-3);overflow:hidden;}
.iggrid .ph img{width:100%;height:100%;object-fit:cover;}

/* philosophy (dark) */
.philo{text-align:center;max-width:820px;margin:0 auto;}
.philo .label{font-family:var(--fen);font-size:12px;letter-spacing:.24em;color:rgba(255,255,255,.6);text-transform:uppercase;margin-bottom:14px;}
.philo .rinen{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.9;letter-spacing:.06em;margin-bottom:36px;}
.philo .vision{font-size:18px;font-weight:500;letter-spacing:.1em;margin-bottom:14px;color:#fff;}
.philo .self{font-size:14px;color:rgba(255,255,255,.7);line-height:2;}
.s.ink .eyebrow{color:rgba(255,255,255,.75);} .s.ink .eyebrow::before{background:rgba(255,255,255,.6);}

/* cta band */
.ctaband{position:relative;color:#fff;text-align:center;overflow:hidden;}
.ctaband .bg{position:absolute;inset:0;}
.ctaband .bg img{width:100%;height:100%;object-fit:cover;}
.ctaband .bg::after{content:"";position:absolute;inset:0;background:rgba(44,61,51,.82);}
.ctaband .inner{position:relative;z-index:1;padding:110px var(--sideW);}
.ctaband h3{font-size:clamp(24px,3.2vw,36px);font-weight:700;letter-spacing:.05em;line-height:1.6;}
.ctaband p{margin:18px auto 34px;max-width:620px;color:rgba(255,255,255,.9);line-height:2;font-size:15px;}

/* footer */
.foot{background:var(--bg-2);padding:80px var(--sideW) 0;}
.foot-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot .flogo img{height:46px;margin-bottom:18px;}
.foot .finfo p{font-size:13px;color:var(--ink-2);line-height:1.95;margin-bottom:12px;}
.foot .finfo b{color:var(--ink);}
.foot h6{font-size:12px;font-family:var(--fen);letter-spacing:.16em;color:var(--accent);margin-bottom:18px;text-transform:uppercase;font-weight:600;}
.foot ul{list-style:none;}
.foot li{margin-bottom:12px;} .foot li a{font-size:13.5px;color:var(--ink-2);transition:color .3s;}
.foot li a:hover{color:var(--accent);}
.foot .sns{display:flex;gap:10px;margin-top:16px;}
.foot .sns a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;
  justify-content:center;font-family:var(--fen);font-size:11px;color:var(--ink-2);transition:all .3s;}
.foot .sns a:hover{background:var(--accent);color:#fff;border-color:var(--accent);}
.foot-bottom{max-width:var(--maxw);margin:64px auto 0;border-top:1px solid var(--line);
  padding:22px 0 30px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12px;color:var(--mute);letter-spacing:.05em;}

/* sp fixed cta */
.sp-cta{display:none;}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);}
.rv.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none;}.scrollcue::after{animation:none;}}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .omoi,.svc,.split2{grid-template-columns:1fr;gap:40px;}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .head-tel{display:none;}
  .head-cta .btn.primary{display:none;}
  .menu-btn{display:inline-flex;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:6px;z-index:110;position:relative;}
  .menu-btn span{width:26px;height:2px;background:#fff;transition:.3s;}
  .site-head.solid .menu-btn span{background:var(--ink);}
  body.nav-open .menu-btn span{background:var(--ink);}
  body.nav-open .menu-btn span:nth-child(1){transform:translateY(8px) rotate(45deg);}
  body.nav-open .menu-btn span:nth-child(2){opacity:0;}
  body.nav-open .menu-btn span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
  /* drawer */
  .gnav{position:fixed;inset:0;background:rgba(255,255,255,.985);flex-direction:column;justify-content:center;
    gap:30px;transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.7,.2,1);z-index:105;}
  body.nav-open .gnav{transform:none;}
  .gnav a{color:var(--ink)!important;font-size:19px;letter-spacing:.1em;}
  .gnav a::after{display:none;}
}
@media(max-width:640px){
  :root{--sp:80px;--sideW:24px;--maxw:100%;}
  body{font-size:15px;}
  .hero{min-height:92svh;}
  .hero-inner{padding-bottom:16vh;}
  .hero h1{font-size:clamp(32px,10vw,46px);line-height:1.4;}
  .g2,.g3{grid-template-columns:1fr;}
  .hero .btn-row{flex-direction:column;align-items:stretch;}
  .hero .btn-row .btn{flex:none;width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot .finfo{grid-column:1/-1;}
  .sec-head{margin-bottom:36px;}
  .btn-row .btn{flex:1;justify-content:center;}
  .sp-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;background:#fff;
    border-top:1px solid var(--line);padding:10px 12px;gap:8px;}
  .sp-cta .btn{flex:1;padding:14px 6px;font-size:12px;border-radius:2px;}
  body{padding-bottom:64px;}
  .scrollcue{display:none;}
  .ghost-en{font-size:22vw;}
  .ctaband .inner{padding:80px var(--sideW);}
}