:root{--blue:#2f9be0;--blue-l:#55b2ea;--blue-d:#1d6fa8;--navy:#0f2236;--navy2:#16324d;--ink:#1f2933;--mute:#5b6b79;--bg:#f3f6f9;--line:#dbe3ea;--serif:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;--sans:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;--en:"Jost","Noto Sans JP",sans-serif;--ease:cubic-bezier(.22,1,.36,1);--t-fast:.25s;--t-mid:.45s;--t-slow:.9s}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:2;font-size:16px;letter-spacing:.04em;-webkit-text-size-adjust:100%;font-feature-settings:"palt"}
img{max-width:100%;height:auto;display:block}a{color:inherit}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.container{max-width:1120px;margin:0 auto;padding:0 32px}
/* ---------- header ---------- */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .35s,box-shadow .35s,transform .35s}
.hd-in{max-width:1360px;margin:0 auto;height:80px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.1em;color:var(--navy)}
.brand img{width:42px;height:auto;transition:.3s}
.nav{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav a{position:relative;display:block;text-decoration:none;font-size:14px;letter-spacing:.12em;font-weight:500;color:var(--navy);padding:8px 16px}
.nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover::after,.nav a.is-current::after{transform:scaleX(1)}
.nav small,.nav .nav-tel{display:none}
.nav li:nth-last-child(2) a{background:var(--blue);color:#fff;margin-left:14px;padding:11px 26px}
.nav li:nth-last-child(2) a::after{display:none}.nav li:nth-last-child(2) a:hover{background:var(--blue-d)}
.hd{background:rgba(255,255,255,.96);box-shadow:0 1px 0 var(--line);backdrop-filter:blur(8px)}

.burger{display:none;width:48px;height:48px;border:0;background:none;cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:12px;width:24px;height:2px;background:var(--navy);content:"";transition:.3s}
.burger span{top:23px}.burger span::before{top:-8px;left:0}.burger span::after{top:8px;left:0}
.burger[aria-expanded=true] span{background:transparent!important}.burger[aria-expanded=true] span::before{transform:translateY(8px) rotate(45deg);background:var(--navy)!important}.burger[aria-expanded=true] span::after{transform:translateY(-8px) rotate(-45deg);background:var(--navy)!important}
main{padding-top:0}body.is-sub main{padding-top:0}
/* ---------- hero ---------- */
.hero{position:relative;height:100svh;min-height:600px;color:#fff;overflow:hidden;background:var(--navy)}
.hero video,.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);animation:kb 18s ease-out forwards}
@keyframes kb{to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,34,54,.55) 0%,rgba(15,34,54,.1) 32%,rgba(15,34,54,.15) 55%,rgba(15,34,54,.78) 100%)}
.hero-in{position:absolute;z-index:2;left:0;right:0;bottom:11%;max-width:1360px;margin:0 auto;padding:0 36px}
.hero h1{text-wrap:balance;margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(30px,5.4vw,76px);letter-spacing:.14em;line-height:1.35;text-shadow:0 3px 24px rgba(0,0,0,.35);animation:up 1.1s var(--ease) both .2s}
.hero .tag{display:inline-block;margin:26px 0 34px;padding:10px 26px;font-size:clamp(14px,1.7vw,20px);letter-spacing:.16em;background:rgba(47,155,224,.92);border-left:5px solid #fff;animation:up 1.1s var(--ease) both .45s}
.hero .logo-wide{width:min(400px,62%);filter:brightness(0) invert(1);opacity:.92;animation:up 1.1s var(--ease) both .7s}
@keyframes up{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.scroll{position:absolute;z-index:3;right:36px;bottom:0;color:#fff;text-decoration:none;font-family:var(--en);font-size:12px;letter-spacing:.3em;writing-mode:vertical-rl;padding-bottom:96px}
.scroll::after{content:"";position:absolute;right:50%;bottom:0;width:1px;height:80px;background:linear-gradient(#fff,#fff0);animation:sc 2s ease-in-out infinite;transform-origin:top}
@keyframes sc{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
/* ---------- common sections ---------- */
.sec{padding:128px 0;position:relative}.sec.alt{background:var(--bg)}
.en{font-family:var(--en);letter-spacing:.32em;font-size:13px;color:var(--blue);margin:0 0 10px;font-weight:500;text-transform:uppercase}
h2.ttl{font-family:var(--serif);font-weight:600;font-size:clamp(26px,3.2vw,38px);letter-spacing:.1em;margin:0 0 32px;line-height:1.55;color:var(--navy)}
h2.ttl::after{content:"";display:block;width:48px;height:3px;background:var(--blue);margin-top:18px}
.center{text-align:center}.center h2.ttl::after{margin-left:auto;margin-right:auto}
.lead{max-width:780px;margin:0 auto;font-size:17px}
.intro{background:#fff;overflow:hidden}
.intro::before{content:"NUMATA TEKKIN";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-family:var(--en);font-weight:600;font-size:clamp(70px,15vw,220px);letter-spacing:.08em;white-space:nowrap;color:transparent;-webkit-text-stroke:1px #e3ebf2;pointer-events:none}
.intro .container{position:relative}
.catch{font-family:var(--serif);font-size:clamp(30px,4.4vw,54px);letter-spacing:.2em;line-height:1.6;text-align:center;margin:0 0 20px;font-weight:700;color:var(--navy)}
.catch b{color:var(--blue)}
.intro .en{margin-bottom:36px;font-size:14px;letter-spacing:.3em}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;margin-top:48px}.cards4{margin-top:0;grid-template-columns:repeat(4,1fr);gap:24px}
.card{display:flex;flex-direction:column;text-decoration:none;background:#fff;position:relative;overflow:hidden;box-shadow:0 2px 0 var(--line);transition:transform .45s var(--ease),box-shadow .45s}
.card:hover{transform:translateY(-8px);box-shadow:0 22px 44px rgba(15,34,54,.14)}
.card .im{overflow:hidden}.card img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .8s var(--ease)}.card:hover img{transform:scale(1.07)}
.card-b{padding:26px 26px 30px;flex:1;position:relative}
.card .no{position:absolute;right:20px;top:14px;font-family:var(--en);font-size:44px;font-weight:500;color:#e6eef5;line-height:1}
.card .en{margin-bottom:4px}.card h3{font-family:var(--serif);font-size:21px;letter-spacing:.08em;margin:0 0 12px;color:var(--navy)}
.card p{margin:0 0 18px;font-size:14px;line-height:1.9;color:var(--mute)}
.more{display:inline-flex;align-items:center;gap:12px;color:var(--blue-d);font-size:13px;letter-spacing:.16em;font-family:var(--en);font-weight:500}
.more::after{content:"";width:34px;height:1px;background:currentColor;transition:width .35s var(--ease)}.card:hover .more::after,a.more:hover::after{width:52px}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split>img{border-radius:4px;box-shadow:0 18px 40px rgba(15,34,54,.14)}
/* ---------- page hero ---------- */
.phero{position:relative;height:clamp(300px,42vh,420px);display:flex;align-items:flex-end;color:#fff;background:var(--navy) center/cover;padding-bottom:56px}
.phero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,34,54,.7),rgba(15,34,54,.5) 50%,rgba(15,34,54,.78))}
.phero::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:6px;background:linear-gradient(90deg,var(--blue) 0 120px,transparent 120px)}
.phero .container{position:relative;width:100%}.phero .en{color:#8fd0f5;margin-bottom:6px;font-size:14px}
.phero h1{margin:0;font-family:var(--serif);font-size:clamp(30px,4.4vw,52px);letter-spacing:.16em;font-weight:600}
.crumb{margin-top:16px;font-size:12px;letter-spacing:.1em;color:#d5e6f3}.crumb a{text-decoration:none;opacity:.85}.crumb a:hover{opacity:1}.crumb span::before{content:"／";margin:0 10px;opacity:.6}
/* buttons */
.btn{display:inline-block;position:relative;background:var(--blue);color:#fff;text-decoration:none;padding:17px 48px;letter-spacing:.16em;font-size:15px;border:0;cursor:pointer;font-family:inherit;font-weight:500;transition:background .3s,transform .3s var(--ease),box-shadow .3s}
.btn:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,111,168,.3)}
/* tabs */
.tabs{display:flex;gap:0;flex-wrap:wrap;justify-content:center;margin:0 0 72px;padding:0;list-style:none;border:1px solid var(--line);width:fit-content;margin-left:auto;margin-right:auto}
.tabs li+li{border-left:1px solid var(--line)}
.tabs a{display:block;padding:14px 32px;color:var(--navy);text-decoration:none;font-size:14px;letter-spacing:.14em;transition:.3s}
.tabs a:hover{background:var(--blue);color:#fff}
.block{margin-top:96px;scroll-margin-top:110px}.block:first-of-type{margin-top:0}
.block>h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,28px);letter-spacing:.12em;margin:0 0 28px;color:var(--navy);display:flex;align-items:center;gap:18px}
.block>h2::before{content:"";width:36px;height:3px;background:var(--blue)}
/* tables */
.tbl{width:100%;border-collapse:collapse;border-top:2px solid var(--navy)}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:22px 20px;text-align:left;vertical-align:top;font-weight:400}
.tbl th{width:220px;color:var(--navy);font-weight:700;background:var(--bg);white-space:nowrap;letter-spacing:.14em;font-size:14px}
.rule{counter-reset:r;display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.rule li{counter-increment:r;padding:34px 12px 34px 110px;border-bottom:1px solid var(--line);position:relative;color:var(--mute);line-height:2}
.rule li::before{content:"0" counter(r);position:absolute;left:12px;top:26px;font-family:var(--en);font-size:52px;font-weight:500;color:var(--blue-l);line-height:1}
.rule b{display:block;font-family:var(--serif);font-size:21px;letter-spacing:.1em;margin-bottom:6px;color:var(--navy)}
.timeline{list-style:none;margin:0;padding:0 0 0 8px;border-left:1px solid var(--line)}
.timeline li{padding:0 0 30px 34px;position:relative}.timeline li::before{content:"";position:absolute;left:-6px;top:11px;width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.timeline b{font-family:var(--en);font-size:18px;color:var(--blue-d);margin-right:18px;font-weight:600;letter-spacing:.1em;display:inline-block;min-width:130px}
.flow{counter-reset:f;display:grid;gap:20px;list-style:none;padding:0;margin:32px 0}
.flow li{counter-increment:f;background:var(--bg);padding:26px 30px 26px 104px;position:relative;color:var(--mute)}
.flow li:not(:last-child)::after{content:"";position:absolute;left:52px;bottom:-20px;width:1px;height:20px;background:var(--blue)}
.flow li::before{content:"0" counter(f);position:absolute;left:24px;top:50%;transform:translateY(-50%);width:56px;height:56px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--en);font-size:20px;letter-spacing:.05em}
.flow b{display:block;font-family:var(--serif);font-size:19px;color:var(--navy);letter-spacing:.08em}
.proj{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:0 48px;list-style:none;padding:0;margin:0}
.proj li{padding:16px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.8}.proj small{display:block;color:var(--blue-d);font-size:12px;letter-spacing:.1em;font-weight:500}
.chk{list-style:none;padding:0;margin:20px 0;display:grid;gap:12px}.chk li{padding:18px 22px 18px 58px;position:relative;background:var(--bg);font-weight:500;color:var(--navy)}
.chk li::before{content:"";position:absolute;left:24px;top:50%;width:14px;height:7px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:translateY(-70%) rotate(-45deg)}
.news-item{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:36px 0;border-top:2px solid var(--navy);border-bottom:1px solid var(--line)}
.news-item time{font-family:var(--en);color:var(--blue-d);letter-spacing:.14em;font-size:15px}.news-item h2{margin:0 0 10px;font-family:var(--serif);font-size:22px;color:var(--navy)}
.home-news{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:26px 0;border-top:2px solid var(--navy);border-bottom:1px solid var(--line)}.home-news time{font-family:var(--en);color:var(--blue-d);letter-spacing:.14em}.home-news a{text-decoration:none;font-weight:500}.home-news a:hover{color:var(--blue-d)}
/* ---------- CTA & footer ---------- */
.cta{position:relative;overflow:hidden;color:#fff;text-align:center;padding:112px 24px;background:linear-gradient(135deg,var(--navy),var(--navy2))}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%)}
.cta>*{position:relative}.cta .en{color:#8fd0f5}
.cta h2{font-family:var(--serif);font-size:clamp(28px,3.4vw,40px);letter-spacing:.2em;margin:0 0 20px;font-weight:600}.cta p{max-width:640px;margin:0 auto 36px;color:#d5e3ee}
.cta .btn{padding:20px 64px;font-size:16px}
/* footer */
.ft{background:#2f2b36;color:#fff;padding:88px 32px 28px;position:relative;overflow:hidden}
.ft-top{max-width:1120px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:56px;position:relative;z-index:1}
.ft-logo{display:flex;align-items:center;gap:16px;text-decoration:none;font-family:var(--serif);font-size:22px;letter-spacing:.12em;color:#fff;font-weight:600}.ft-logo img{width:64px;height:auto}
.ft address{font-style:normal;line-height:2.1;margin-top:26px;font-size:15px;letter-spacing:.08em;color:#d9dce4}.ft address a{text-decoration:none;color:#fff}.ft address a:hover{color:var(--blue-l)}
.ft-nav{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,auto);gap:4px 64px}
.ft-nav a{display:block;text-decoration:none;color:#e8eaf0;font-size:14px;letter-spacing:.14em;padding:9px 0;position:relative;transition:color .25s,transform .3s var(--ease)}
.ft-nav a::before{content:"";display:inline-block;width:14px;height:1px;background:var(--blue-l);margin-right:12px;vertical-align:middle;transition:width .3s var(--ease)}
.ft-nav a:hover{color:var(--blue-l)}.ft-nav a:hover::before{width:26px}
.ft-ghost{position:absolute;left:50%;bottom:36px;transform:translateX(-50%);margin:0;font-family:var(--en);font-weight:600;font-size:clamp(48px,11vw,150px);letter-spacing:.1em;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.07);pointer-events:none;line-height:1}
.ft-bt{max-width:1120px;margin:112px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;position:relative;z-index:1;font-size:12px;letter-spacing:.12em}
.ft-bt .copy{margin:0;padding:0;border:0;max-width:none;color:#aeb3c0;font-family:var(--en)}.ft-bt a{color:#d9dce4;text-decoration:none}.ft-bt a:hover{color:#fff;text-decoration:underline}
/* ---------- form ---------- */
.form{max-width:720px;margin:0 auto}.ff{margin-bottom:28px}.ff label{display:block;font-weight:700;margin-bottom:8px;font-size:14px;letter-spacing:.12em;color:var(--navy)}.req{color:#fff;background:#d64545;font-size:11px;padding:1px 8px;margin-left:10px;font-weight:500;letter-spacing:.1em}
.ff input,.ff textarea{width:100%;padding:15px 18px;border:1px solid #c9d5df;font:inherit;background:var(--bg);border-radius:0;transition:.25s}.ff input:focus,.ff textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(47,155,224,.15)}
.ff [aria-invalid=true]{border-color:#d64545}.field-error{color:#d64545;font-size:13px;margin:6px 0 0}.hp{position:absolute;left:-9999px}
.tel-box{text-align:center;background:var(--navy);color:#fff;padding:48px 24px;margin-bottom:96px;position:relative;overflow:hidden}
.tel-box::before{content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:var(--blue)}
.tel-box a{font-family:var(--en);font-size:clamp(34px,5vw,56px);text-decoration:none;color:#fff;letter-spacing:.1em;font-weight:500}
/* reveal */
.reveal{opacity:0;transform:translate3d(0,28px,0);transition:opacity .8s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s);will-change:opacity,transform}.reveal.in{opacity:1;transform:none;will-change:auto}
@media(max-width:1000px){.cards4{grid-template-columns:repeat(2,1fr)}.split{gap:36px}}
@media(max-width:900px){
.hd-in{height:68px;padding:0 20px}.burger{display:block}
/* mobile menu: full-screen overlay */
.nav{position:fixed;inset:0;z-index:-1;margin:0;padding:96px 28px 40px;background:var(--navy);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;overflow-y:auto;opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility 0s .4s;counter-reset:n}
.nav::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.nav.open{opacity:1;visibility:visible;transition:opacity .4s var(--ease)}
.nav li{position:relative;counter-increment:n;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.nav.open li{opacity:1;transform:none}.nav.open li:nth-child(1){transition-delay:.08s}.nav.open li:nth-child(2){transition-delay:.13s}.nav.open li:nth-child(3){transition-delay:.18s}.nav.open li:nth-child(4){transition-delay:.23s}.nav.open li:nth-child(5){transition-delay:.28s}.nav.open li:nth-child(6){transition-delay:.33s}.nav.open li:nth-child(7){transition-delay:.38s}.nav.open li:nth-child(8){transition-delay:.44s}
.nav a,body.is-home .hd:not(.scrolled) .nav a:not(:last-child),body.is-home .nav a,body.is-home .nav li:last-child a{display:flex;align-items:baseline;gap:14px;padding:19px 4px;border:0;border-bottom:1px solid rgba(255,255,255,.14);background:none;color:#fff;font-size:18px;letter-spacing:.16em;font-weight:500;margin:0;text-align:left}
.nav a::before{content:"0" counter(n);font-family:var(--en);font-size:12px;letter-spacing:.2em;color:var(--blue-l);min-width:24px}
.nav a::after{display:none}
.nav small{display:block;margin-left:auto;font-family:var(--en);font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.5);text-transform:uppercase}
.nav li:nth-last-child(2) a,body.is-home .nav li:nth-last-child(2) a{background:none;margin:0;padding:19px 4px;color:#fff}
.nav a.is-current{color:var(--blue-l)!important}
.nav .nav-tel{display:block;margin-top:28px}.nav .nav-tel a,body.is-home .nav .nav-tel a{display:block;border:1px solid rgba(255,255,255,.3);padding:20px;text-align:center;font-family:var(--en);font-size:26px;letter-spacing:.12em}
.nav .nav-tel a::before{display:none}.nav .nav-tel small{display:block;margin:0 0 2px;color:var(--blue-l)}
.hd.open{background:transparent!important;box-shadow:none!important;backdrop-filter:none!important}
.hd.open .brand,body.is-home .hd.open .brand{color:#fff!important}.hd.open .brand img{filter:brightness(0) invert(1)!important}
.burger[aria-expanded=true] span::before,.burger[aria-expanded=true] span::after{background:#fff!important}
body.menu-open{overflow:hidden}
.container{padding:0 22px}.sec{padding:80px 0}.split{grid-template-columns:1fr}.split>img{box-shadow:0 12px 28px rgba(15,34,54,.14)}
.hero-in{padding:0 22px;bottom:9%}.scroll{display:none}.tbl th{display:block;width:auto;border-bottom:0;padding:16px 16px 4px;background:var(--bg)}.tbl td{display:block;padding:8px 16px 18px}
.news-item,.home-news{grid-template-columns:1fr;gap:6px}.phero{padding-bottom:36px}
.btn{display:block;text-align:center;padding:18px 20px;max-width:440px;margin-left:auto;margin-right:auto}.tel-box a{font-size:34px}
.tabs{width:100%;display:grid;grid-template-columns:1fr 1fr}.tabs li+li{border-left:0}.tabs li{border-bottom:1px solid var(--line)}.tabs li:nth-child(even){border-left:1px solid var(--line)}.tabs a{padding:14px 8px;text-align:center;font-size:13px;letter-spacing:.08em}
.rule li{padding:28px 4px 28px 4px}.rule li::before{position:static;display:block;font-size:40px;margin-bottom:6px}
.flow li{padding:24px 20px 24px 92px}.flow li::before{left:18px;width:50px;height:50px}.flow li:not(:last-child)::after{left:43px}
.timeline b{display:block;min-width:0;margin-bottom:2px}.ft{padding:64px 22px 24px}.ft-top{flex-direction:column;gap:36px}.ft-nav{gap:2px 32px;width:100%}.ft-bt{margin-top:96px}.cards4{grid-template-columns:1fr}.proj{grid-template-columns:1fr}.cta{padding:80px 22px}.block{margin-top:72px}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.hero video,.hero>img,.hero h1,.hero .tag,.hero .logo-wide{animation:none;transform:none}.scroll::after{animation:none}}

/* 見出しはTOPと同じ Noto Sans JP・ミディアム */
.phero h1,h2.ttl,.block>h2,.rule b,.flow b,.news-item h2,.cta h2,.card h3,.ft-logo,.brand,.tel-box a{font-weight:500}
.phero h1{letter-spacing:.18em}h2.ttl,.block>h2{letter-spacing:.12em}.rule b{letter-spacing:.1em}

/* ---- UX polish ---- */
::selection{background:var(--blue);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
main p a,.news-item a,.ff a{color:var(--blue-d);text-underline-offset:3px}
main p a:hover{text-decoration:none}
.req{padding:2px 8px 3px;line-height:1;vertical-align:1px}
.btn[disabled]{opacity:.65;cursor:progress;transform:none;box-shadow:none}
.form-note{font-size:13px;color:var(--mute)}
.tabs a.on{background:var(--navy);color:#fff}
.phero{padding-top:80px}
.totop{position:fixed;right:22px;bottom:22px;z-index:40;width:52px;height:52px;border:0;border-radius:50%;background:var(--navy);box-shadow:0 10px 24px rgba(15,34,54,.3);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .35s,transform .35s var(--ease),visibility 0s .35s,background .25s}
.totop.show{opacity:1;visibility:visible;transform:none;transition:opacity .35s,transform .35s var(--ease)}
.totop:hover{background:var(--blue)}
.totop span{position:absolute;left:50%;top:52%;width:12px;height:12px;border-left:2px solid #fff;border-top:2px solid #fff;transform:translate(-50%,-50%) rotate(45deg)}
img:where([src$='.jpg']){background:var(--bg)}
.card img,.bn::after{background-color:var(--bg)}
body.menu-open .totop{display:none}
@media(max-width:900px){.totop{right:14px;bottom:14px;width:46px;height:46px}.phero{padding-top:68px}}
@media print{.hd,.totop,.cta,.ft{display:none}main{padding:0}}

@media(max-width:900px){
.tabs:has(li:nth-child(3):last-child){grid-template-columns:repeat(3,1fr)}
.tabs:has(li:nth-child(3):last-child) li{border-left:0;border-bottom:0}.tabs:has(li:nth-child(3):last-child) li+li{border-left:1px solid var(--line)}
.form h2.ttl{font-size:21px;letter-spacing:.06em}
.news-item h2{font-size:20px}
}
@media(max-width:900px){.tabs:has(li:nth-child(3):last-child) a{padding:14px 2px;font-size:12px;letter-spacing:.02em;white-space:nowrap}}

@media(max-width:360px){.container{padding:0 18px}.hd-in{padding:0 14px}.brand{font-size:16px;gap:8px}.brand img{width:34px}.phero h1{font-size:28px;letter-spacing:.1em}.tabs a{font-size:12px}.flow li{padding:20px 16px 20px 78px}.flow li::before{left:12px;width:46px;height:46px}.timeline b{font-size:16px}.tel-box a{font-size:28px}.ft-nav{grid-template-columns:1fr 1fr;gap:2px 16px}}
@media(max-height:520px) and (orientation:landscape){.hero,.hero2{min-height:520px}.nav{padding-top:76px}}
@media(max-width:600px){.ft-logo{font-size:18px;gap:12px;letter-spacing:.08em}.ft-logo img{width:48px}.ft-ghost{font-size:44px}}

/* ---- motion system ---- */
@view-transition{navigation:auto}
.hd{view-transition-name:site-header}
::view-transition-old(root),::view-transition-new(root){animation-duration:.35s;animation-timing-function:var(--ease)}
::view-transition-group(site-header){animation:none}
.card,.bn,.btn,.totop,.newsbar{backface-visibility:hidden}
.card img,.bn::after{will-change:transform}
@media(hover:none){.card:hover,.btn:hover{transform:none;box-shadow:none}.card:hover img{transform:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}.reveal{opacity:1;transform:none}@view-transition{navigation:none}}

/* ---- ヘッダー統一：全ページ共通（TOPの元デザイン準拠：薄グレー帯・水色ナビ） ---- */
:root{--hb:#55b2ea;--ink2:#2f2b36}
body .hd,body .hd.scrolled{background:rgba(247,247,247,.94);box-shadow:none;backdrop-filter:blur(6px)}
body .hd-in,body .hd.scrolled .hd-in{height:66px;max-width:none;padding:0 32px}
body .brand,body .hd:not(.scrolled) .brand{color:var(--hb);font-family:"Noto Sans JP",sans-serif;font-weight:500;font-size:16px;letter-spacing:.12em}
body .brand img,body .hd:not(.scrolled) .brand img{filter:none;width:36px}
body .nav{gap:0}
body .nav a,body .hd:not(.scrolled) .nav a:not(:last-child){color:var(--hb);font-size:12px;letter-spacing:.2em;font-weight:400;padding:8px 22px}
body .nav a::after{left:22px;right:22px;bottom:2px;height:1px;background:var(--ink2)}
body .nav li:nth-last-child(2) a{background:none;color:var(--hb);margin:0;padding:8px 22px}
body .nav li:nth-last-child(2) a:hover{background:none}
body .nav a.is-current{color:var(--ink2)}
body .burger span,body .burger span::before,body .burger span::after,body .hd:not(.scrolled) .burger span,body .hd:not(.scrolled) .burger span::before,body .hd:not(.scrolled) .burger span::after{background:var(--hb)}
@media(max-width:900px){
body .nav a,body .hd:not(.scrolled) .nav a:not(:last-child),body .nav li:nth-last-child(2) a{font-size:18px;padding:19px 4px;letter-spacing:.16em;font-weight:500;color:#fff}
body .nav a.is-current{color:var(--hb)!important}
body .nav li.nav-tel a{display:block;border:1px solid rgba(255,255,255,.3);text-align:center;padding:20px;font-size:26px;letter-spacing:.12em}
body .hd-in,body .hd.scrolled .hd-in{height:60px;padding:0 16px}
.phero{padding-top:60px}}
.phero{padding-top:66px}
@media(max-width:900px){body.is-home .nav li.nav-tel a,body .nav li.nav-tel a{display:block;border:1px solid rgba(255,255,255,.3);text-align:center;padding:20px;font-size:26px;letter-spacing:.12em}body .nav li.nav-tel small{display:block;margin:0 0 2px}}

/* ---- スクロールで引かれるマーカー（鉄筋工事とはページ） ---- */
mark.mk{color:inherit;font-weight:700;padding:0 .08em;background:linear-gradient(transparent 48%,rgba(85,178,234,.5) 48%,rgba(85,178,234,.5) 94%,transparent 94%) no-repeat 0 0/0% 100%;-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background-size 1.1s var(--ease) var(--md,0s)}
mark.mk.on{background-size:100% 100%}
.chk li mark.mk{font-weight:500}
@media(prefers-reduced-motion:reduce){mark.mk{background-size:100% 100%;transition:none}}
/* ---- タップしやすさ・最小文字 ---- */
.req{font-size:12px}
@media(max-width:900px){
.brand{min-height:44px}
.newsbar a{display:block;padding:10px 0}
.ft-bt a{display:inline-block;padding:10px 0}
.ft-nav a{padding:11px 0}
.crumb a{display:inline-block;padding:10px 0}
.tabs a{min-height:46px;display:flex;align-items:center;justify-content:center}
}
.form-msg{min-height:1.6em;margin:0 0 12px;text-align:center;font-size:14px}.form-msg.is-ng{color:#d64545}.form-msg.is-ok{color:var(--blue-d)}
.form-done{max-width:720px;margin:0 auto;text-align:center;padding:24px 0}.form-done p{margin:0 0 24px}.form-done:focus{outline:0}
@media(max-width:900px){.hd-in{justify-content:flex-start}.burger{margin-left:auto;margin-right:-8px;flex:none}.hd-in>nav{width:0;flex:none}}

.ft-bt .copy .ac{display:block;margin-top:6px;font-size:12px;letter-spacing:.08em}.ft-bt .copy .ac b{font-weight:500}

/* ---- モバイルのフッターは中央揃え ---- */
@media(max-width:900px){
.ft-top{align-items:center;text-align:center}
.ft-id{display:flex;flex-direction:column;align-items:center;width:100%}
.ft-logo{justify-content:center}
.ft address{text-align:center;margin-top:20px}
.ft-top nav{width:100%}
.ft-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 0;max-width:360px;margin:0 auto}
.ft-nav li{flex:0 0 50%;text-align:center}
.ft-nav a{display:inline-block;padding:11px 0}
.ft-nav a::before{display:none}
.ft-bt{flex-direction:column;align-items:center;text-align:center;gap:6px}
}