/* OML METAL ― V2 design system (light / editorial) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Roboto:wght@400;700;900&display=swap');

:root{
  --ink:#1a2230; --steel:#2e4a6e; --blue:#3d7ebf; --rust:#c85a1a; --rust-d:#a8480f;
  --paper:#fbfaf7; --paper2:#f2efe9; --line:#e6e2d8; --muted:#6b7280; --tx:#283142;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP',sans-serif;color:var(--tx);background:var(--paper);line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:50px;font-weight:700;font-size:.95rem;letter-spacing:.02em;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:none;font-family:inherit;}
.btn-rust{background:var(--rust);color:#fff;box-shadow:0 6px 20px rgba(200,90,26,.28);}
.btn-rust:hover{background:var(--rust-d);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--steel);color:var(--steel);}
.btn-white{background:#fff;color:var(--rust-d);box-shadow:0 8px 24px rgba(0,0,0,.18);}
.btn-white:hover{transform:translateY(-2px);}
.btn .ar{font-family:'Roboto';font-weight:900;}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.hd{display:flex;align-items:center;justify-content:space-between;height:70px;}
.logo{display:flex;align-items:center;gap:11px;}
.logo .mk{width:42px;height:42px;background:var(--rust);color:#fff;border-radius:9px;display:grid;place-items:center;font-family:'Roboto';font-weight:900;font-size:1.05rem;letter-spacing:-.04em;}
.logo .nm{font-weight:900;font-size:1.1rem;letter-spacing:.06em;color:var(--ink);line-height:1.1;}
.logo .nm small{display:block;font-weight:500;font-size:.6rem;letter-spacing:.14em;color:var(--muted);}
nav.main{display:flex;align-items:center;gap:28px;}
nav.main a{font-size:.86rem;font-weight:500;color:var(--tx);transition:color .2s;}
nav.main a:hover{color:var(--rust);}
.hd .cta{padding:11px 22px;font-size:.84rem;}
.hamb{display:none;background:none;border:none;font-size:1.6rem;color:var(--ink);cursor:pointer;}
@media(max-width:860px){
  nav.main{display:none;}
  .hamb{display:block;}
  header.menu-open nav.main{display:flex;flex-direction:column;gap:0;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 16px 32px rgba(26,34,48,.10);padding:6px 24px 14px;z-index:60;}
  header.menu-open nav.main a{padding:12px 2px;border-top:1px solid var(--line);font-size:.95rem;}
}

/* hero (home) */
.hero{padding:74px 0 60px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.76rem;font-weight:700;letter-spacing:.16em;color:var(--rust);text-transform:uppercase;margin-bottom:22px;}
.eyebrow::before{content:'';width:30px;height:2px;background:var(--rust);}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:900;line-height:1.28;color:var(--ink);letter-spacing:.01em;margin-bottom:24px;}
.hero h1 .hl{color:var(--blue);}
.hero p.lead{font-size:1.02rem;color:var(--tx);line-height:1.95;margin-bottom:32px;max-width:30em;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.hero-photo{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(26,34,48,.22);aspect-ratio:4/3.2;}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.hero-photo .tagchip{position:absolute;left:18px;bottom:18px;background:rgba(26,34,48,.82);color:#fff;font-size:.74rem;font-weight:600;padding:7px 14px;border-radius:50px;backdrop-filter:blur(4px);}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:34px;} .hero{padding:48px 0 40px;}}

/* page hero (subpages) */
.phero{padding:54px 0 10px;}
.crumb{font-size:.78rem;color:var(--muted);margin-bottom:14px;}
.crumb a:hover{color:var(--rust);}
.phero h1{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:900;color:var(--ink);letter-spacing:.02em;margin-bottom:12px;}
.phero p{color:var(--muted);max-width:46em;font-size:.98rem;}

/* capability strip */
.cap{background:var(--ink);color:#fff;}
.cap-in{display:grid;grid-template-columns:repeat(4,1fr);}
.cap-item{padding:30px 22px;text-align:center;border-left:1px solid rgba(255,255,255,.09);}
.cap-item:first-child{border-left:none;}
.cap-num{font-family:'Roboto';font-weight:900;font-size:2rem;color:#7fb2ec;line-height:1;}
.cap-num span{font-size:.95rem;color:#8aa0bb;font-weight:700;}
.cap-lb{font-size:.76rem;color:#a9b6c8;margin-top:8px;letter-spacing:.04em;}
@media(max-width:680px){.cap-in{grid-template-columns:1fr 1fr;} .cap-item:nth-child(odd){border-left:none;} .cap-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.09);}}

/* sections */
section.blk{padding:72px 0;}
section.blk.tight{padding:48px 0;}
.flow2{background:var(--paper2);}
.shead{margin-bottom:40px;max-width:680px;}
.shead .k{font-family:'Roboto';font-weight:700;font-size:.8rem;letter-spacing:.18em;color:var(--rust);text-transform:uppercase;}
.shead h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:900;color:var(--ink);margin-top:8px;letter-spacing:.02em;}
.shead p{color:var(--muted);margin-top:12px;font-size:.95rem;}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(26,34,48,.10);border-color:transparent;}
.svc-ic{width:54px;height:54px;border-radius:13px;background:var(--paper2);display:grid;place-items:center;color:var(--steel);margin-bottom:20px;}
.svc-ic svg{width:28px;height:28px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.svc-card h3{font-size:1.12rem;font-weight:700;color:var(--ink);margin-bottom:10px;}
.svc-card p{font-size:.86rem;color:var(--muted);line-height:1.85;}
@media(max-width:780px){.svc{grid-template-columns:1fr;}}

/* flow */
.flow-row{display:flex;flex-wrap:wrap;gap:10px;}
.fl{flex:1 1 0;min-width:120px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 14px;text-align:center;}
.fl .s{font-family:'Roboto';font-weight:900;color:var(--rust);font-size:.78rem;}
.fl .t{font-weight:700;color:var(--ink);font-size:.92rem;margin-top:6px;}
.fl .d{font-size:.72rem;color:var(--muted);margin-top:4px;line-height:1.5;}

/* split (sample etc.) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;}
.split-photo{border-radius:14px;overflow:hidden;box-shadow:0 18px 44px rgba(26,34,48,.16);}
.split h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:900;color:var(--ink);margin:10px 0 14px;}
.split p{color:var(--tx);font-size:.95rem;line-height:1.95;margin-bottom:22px;}
.split .k{font-family:'Roboto';font-weight:700;font-size:.8rem;letter-spacing:.18em;color:var(--rust);}
@media(max-width:780px){.split{grid-template-columns:1fr;gap:26px;}}

/* spec grid (cards w/ label+value) */
.specs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin:20px 0;}
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;border-left:3px solid var(--blue);}
.spec .l{font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.06em;}
.spec .v{font-size:1.05rem;font-weight:700;color:var(--ink);margin-top:4px;}

/* tables */
.v-table{width:100%;border-collapse:collapse;font-size:.88rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.v-table th{background:var(--ink);color:#e8eef6;padding:12px 14px;text-align:left;font-weight:600;font-size:.8rem;letter-spacing:.03em;white-space:nowrap;}
.v-table td{padding:11px 14px;border-top:1px solid var(--line);color:var(--tx);vertical-align:top;}
.v-table td.c,.v-table th.c{text-align:center;}
.v-table tbody tr:nth-child(even) td{background:var(--paper);}
.v-table .ok{color:#1a7a40;font-weight:700;}
.v-table .name{font-weight:700;color:var(--ink);white-space:nowrap;}
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{background:#fff;border:1px solid var(--line);border-radius:50px;padding:7px 16px;font-size:.84rem;color:var(--tx);}

/* form */
.v-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:0 14px 40px rgba(26,34,48,.06);}
.v-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.v-field{margin-bottom:18px;}
.v-field label{display:block;font-size:.84rem;font-weight:700;color:var(--ink);margin-bottom:7px;}
.v-field label .req{color:var(--rust);font-size:.72rem;margin-left:6px;}
.v-field input,.v-field select,.v-field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;color:var(--tx);background:var(--paper);transition:border-color .2s,background .2s;}
.v-field input:focus,.v-field select:focus,.v-field textarea:focus{outline:none;border-color:var(--blue);background:#fff;}
.v-field textarea{min-height:120px;resize:vertical;}
.v-note{font-size:.78rem;color:var(--muted);line-height:1.8;margin-top:12px;}
/* 計算の根拠（折りたたみ）— 既定は閉じた状態。開くとJISの条項を全文表示する */
.v-detail{margin-top:14px;border-top:1px solid #e5e7eb;padding-top:10px;}
.v-detail>summary{font-size:.78rem;color:var(--muted);cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;padding:4px 0;}
.v-detail>summary::-webkit-details-marker{display:none;}
.v-detail>summary::before{content:'▸';font-size:.7rem;transition:transform .15s;}
.v-detail[open]>summary::before{transform:rotate(90deg);}
.v-detail>summary:hover{color:var(--blue);}
.v-detail-body{font-size:.75rem;color:var(--muted);line-height:1.85;margin-top:8px;padding-left:14px;border-left:2px solid #eef2f7;}
.v-detail-body p{margin:0 0 10px;}
.v-detail-body p:last-child{margin-bottom:0;}
@media print{.v-detail{display:none;}}
@media(max-width:680px){.v-row{grid-template-columns:1fr;}}

/* contact methods */
.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:8px;}
.way{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;}
.way .ic{width:48px;height:48px;border-radius:50%;background:var(--paper2);display:grid;place-items:center;color:var(--rust);margin:0 auto 12px;}
.way .ic svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.way h3{font-size:1rem;color:var(--ink);margin-bottom:6px;}
.way p{font-size:.82rem;color:var(--muted);line-height:1.7;}
.way .big{font-family:'Roboto';font-weight:900;font-size:1.25rem;color:var(--ink);margin-top:4px;}
@media(max-width:780px){.ways{grid-template-columns:1fr;}}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--rust) 0%,var(--rust-d) 100%);color:#fff;border-radius:20px;padding:54px 48px;text-align:center;box-shadow:0 24px 60px rgba(200,90,26,.3);}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:900;letter-spacing:.02em;}
.cta-band p{color:rgba(255,255,255,.92);margin:12px auto 28px;max-width:34em;font-size:.96rem;}
.cta-sub{margin-top:18px;font-size:.84rem;color:rgba(255,255,255,.9);}
.cta-sub a{text-decoration:underline;text-underline-offset:3px;}

/* company */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cmp table{width:100%;border-collapse:collapse;font-size:.9rem;}
.cmp th,.cmp td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);vertical-align:top;}
.cmp th{width:120px;color:var(--muted);font-weight:600;white-space:nowrap;}
.cmp .note{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;}
.cmp .note h3{font-size:1rem;color:var(--ink);margin-bottom:10px;}
.cmp .note p{font-size:.86rem;color:var(--muted);}
@media(max-width:780px){.cmp{grid-template-columns:1fr;gap:24px;}}

/* footer */
footer{background:var(--ink);color:#9aa8bd;padding:54px 0 26px;margin-top:10px;}
.ft{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;}
.ft .nm{color:#fff;font-weight:900;letter-spacing:.06em;font-size:1.05rem;}
.ft p{font-size:.8rem;line-height:1.9;margin-top:12px;color:#7e8da0;}
.ft h4{color:#cdd7e4;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;}
.ft a{display:block;font-size:.84rem;padding:5px 0;color:#9aa8bd;}
.ft a:hover{color:#fff;}
.ft-btm{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:18px;font-size:.74rem;color:#5f6e85;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
@media(max-width:780px){.ft{grid-template-columns:1fr 1fr;}}

/* version badge */
.vbadge{position:fixed;left:14px;bottom:14px;z-index:99;background:var(--ink);color:#fff;font-size:.72rem;padding:8px 14px;border-radius:50px;box-shadow:0 6px 20px rgba(0,0,0,.25);opacity:.92;}
.vbadge a{color:#7fb2ec;text-decoration:underline;}

/* facility / virtual tour */
.tour-embed{position:relative;width:100%;aspect-ratio:16/9;background:#11181f;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.tour-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.tour-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#9fb6cf;text-align:center;padding:24px;background-image:linear-gradient(rgba(61,126,191,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(61,126,191,.08) 1px,transparent 1px);background-size:30px 30px;}
.tour-ph svg{width:46px;height:46px;color:#7fb2ec;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.fac-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.fac-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.fac-item img{width:100%;height:190px;object-fit:cover;}
.fac-item figcaption{padding:13px 16px;font-size:.85rem;font-weight:700;color:var(--ink);}

/* recruit */
.notice{background:rgba(200,90,26,.07);border:1px solid rgba(200,90,26,.25);border-left:4px solid var(--rust);border-radius:var(--radius);padding:20px 24px;}
.notice strong{color:var(--rust-d);}
.appeal{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;}
.appeal .a{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.appeal .a h3{font-size:.95rem;color:var(--ink);margin-bottom:6px;}
.appeal .a p{font-size:.82rem;color:var(--muted);line-height:1.8;}
.team-photo{border-radius:14px;overflow:hidden;box-shadow:0 16px 40px rgba(26,34,48,.16);}
.team-photo figcaption{font-size:.82rem;color:var(--muted);padding:12px 4px 0;}

/* calc */
.calc-result{margin-top:22px;background:var(--ink);color:#fff;border-radius:14px;padding:26px;text-align:center;display:none;}
.calc-result.show{display:block;}
.calc-result .rl{font-size:.74rem;color:#8aa0bb;letter-spacing:.1em;text-transform:uppercase;}
.calc-result .rv{font-family:'Roboto';font-weight:900;font-size:2.4rem;color:#fff;line-height:1.1;margin-top:6px;}
.calc-result .rv span{font-size:1.1rem;color:#8aa0bb;font-weight:700;}
.calc-result .rd{margin-top:14px;font-size:.82rem;color:#9fb6cf;line-height:1.85;}
.toggle2{display:inline-flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:50px;padding:4px;}
.toggle2 a,.toggle2 span{padding:8px 20px;border-radius:50px;font-size:.86rem;font-weight:700;}
.toggle2 .on{background:var(--steel);color:#fff;}
.toggle2 a{color:var(--steel);}

/* ---- parity additions: news / toll-processing / gallery / SDGs / timeline ---- */
.smpl{display:inline-block;background:#fff4e8;color:var(--rust-d);border:1px dashed #e0a06a;border-radius:5px;font-size:.72rem;font-weight:700;padding:4px 11px;margin-bottom:14px;letter-spacing:.02em;}
.subhead{font-size:1.15rem;font-weight:900;color:var(--ink);margin:8px 0 4px;letter-spacing:.02em;}

/* news strip */
.news{display:flex;gap:18px;align-items:flex-start;}
.news .nlb{display:inline-flex;align-items:center;gap:7px;background:var(--rust);color:#fff;font-size:.74rem;font-weight:700;padding:6px 13px;border-radius:50px;white-space:nowrap;letter-spacing:.04em;}
.news .nlb svg{width:14px;height:14px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.news p{font-size:.9rem;color:var(--tx);line-height:1.85;}
.news .em{color:var(--rust-d);font-weight:700;}
@media(max-width:680px){.news{flex-direction:column;gap:12px;}}

/* two-column info cards */
.info2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:24px 0;}
.info2 .c{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;}
.info2 .c h4{font-size:.82rem;font-weight:700;color:var(--steel);margin-bottom:10px;letter-spacing:.02em;}
.info2 .c ul{font-size:.84rem;color:var(--tx);line-height:1.9;padding-left:18px;}

/* gallery placeholders */
.gal{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.gal figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.gal .ph{aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:#9db2c9;background-image:linear-gradient(rgba(61,126,191,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(61,126,191,.07) 1px,transparent 1px);background-size:26px 26px;border-bottom:1px dashed var(--line);}
.gal .ph svg{width:30px;height:30px;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.gal .ph span{font-size:.74rem;}
.gal .ph img{width:100%;height:100%;object-fit:cover;display:block;}
.gal figcaption{padding:14px 16px;font-size:.8rem;color:var(--muted);line-height:1.85;}
.gal figcaption strong{color:var(--ink);}

/* SDGs */
.sdg{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;}
.sdg .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;border-top:3px solid var(--blue);}
.sdg .card h3{font-size:1rem;font-weight:700;color:var(--ink);margin-bottom:8px;}
.sdg .card p{font-size:.84rem;color:var(--muted);line-height:1.8;margin-bottom:14px;}
.sdg .bd{display:flex;gap:6px;flex-wrap:wrap;}
.sdg .bd span{width:34px;height:34px;border-radius:5px;display:grid;place-items:center;color:#fff;font-family:'Roboto';font-weight:700;font-size:.95rem;line-height:1;}
.g03{background:#4c9f38;} .g04{background:#c5192d;} .g07{background:#fcc30b;color:#1a2533;} .g08{background:#a21942;} .g09{background:#fd6925;} .g11{background:#fd9d24;color:#1a2533;} .g12{background:#bf8b2e;} .g13{background:#3f7e44;} .g17{background:#19486a;}

/* timeline */
.tl{list-style:none;margin-top:18px;border-left:2px solid var(--line);padding-left:24px;}
.tl li{position:relative;padding:0 0 20px;}
.tl li:last-child{padding-bottom:0;}
.tl li::before{content:'';position:absolute;left:-30px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--rust);border:2px solid var(--paper);}
.tl .yr{font-family:'Roboto';font-weight:900;color:var(--ink);font-size:1rem;}
.tl .era{font-size:.74rem;color:var(--muted);margin-left:8px;}
.tl .ev{font-size:.88rem;color:var(--tx);line-height:1.8;margin-top:3px;}

/* ==== interaction polish 2026-07-11（emil-design-eng監査反映・追記のみ＝削除で可逆） ==== */
:root{--ease-out-strong:cubic-bezier(.23,1,.32,1);}
/* ボタンは押した瞬間の手応え（scaleでフィードバック・強めのease-out） */
.btn{transition:transform .18s var(--ease-out-strong),box-shadow .2s var(--ease-out-strong),background .2s ease;}
.btn:active{transform:scale(.97);}
/* タッチ端末ではhover持ち上げを無効化（タップ後に浮いたまま残る誤作動防止） */
@media (hover:none),(pointer:coarse){
  .btn-rust:hover,.btn-white:hover{transform:none;}
  .svc-card:hover{transform:none;box-shadow:none;border-color:var(--line);}
}
/* キーボード操作の可視フォーカス */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
/* 動きを減らす設定の尊重（色・不透明度の変化は残し、移動系のみ止める） */
@media (prefers-reduced-motion:reduce){
  .btn,.svc-card{transition:box-shadow .2s ease,background .2s ease,border-color .2s ease;}
  .btn-rust:hover,.btn-white:hover,.svc-card:hover,.btn:active{transform:none;}
}

/* ===== 公開準備追加 2026-07-11 ===== */
/* 日本語組版(ja-typographyスキル準拠) */
:lang(ja){line-break:strict;overflow-wrap:break-word;}
h1,h2,h3{word-break:auto-phrase;} /* 文節改行(対応ブラウザのみ・非対応は従来挙動) */

/* 印刷用(サイトを紙に刷ったとき用の最小整形) */
@media print{
  *{print-color-adjust:exact;-webkit-print-color-adjust:exact;}
  header,.hamb,.hero-btns,.btn,.vbadge,footer .ft-btm{display:none !important;}
  .card,.fl,table,figure{break-inside:avoid;}
  body{background:#fff;}
}

/* ===== 加工サンプル：ヘリコプター模型の3D工程ビューア ===== */
.heli{margin-top:22px;}
.heli-stage{position:relative;background:linear-gradient(170deg,#eef1f4 0%,#dde3e9 100%);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  height:clamp(300px,52vw,540px);}
.heli-stage canvas{width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y;outline:none;}
.heli-stage canvas:focus-visible{outline:2px solid var(--rust);outline-offset:-2px;}
.heli.dragging .heli-stage canvas{cursor:grabbing;}
.heli-hint{position:absolute;right:12px;bottom:11px;font-size:.72rem;color:#6b7a8c;
  background:rgba(255,255,255,.72);border-radius:20px;padding:5px 12px;pointer-events:none;
  opacity:0;transition:opacity .4s;}
.heli.assembled .heli-hint{opacity:1;}
.heli-fb{position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  padding:0 32px;margin:0;font-size:.86rem;color:var(--muted);}
.heli.ready .heli-fb{display:none;}
.heli-ctrl{margin-top:14px;}
.heli-steps{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;}
.heli-steps li{flex:none;}
.heli-steps button{display:flex;align-items:center;gap:8px;padding:9px 16px 9px 10px;
  border:1.5px solid var(--line);background:#fff;border-radius:50px;cursor:pointer;
  font-family:inherit;font-size:.84rem;font-weight:700;color:var(--muted);
  transition:border-color .2s,color .2s,background .2s;}
.heli-steps button .no{display:grid;place-items:center;width:21px;height:21px;border-radius:50%;
  background:var(--paper2);color:var(--muted);font-family:'Roboto';font-size:.72rem;font-weight:900;
  transition:background .2s,color .2s;}
.heli-steps button:hover{border-color:var(--steel);color:var(--steel);}
.heli-steps button.done{color:var(--tx);}
.heli-steps button.done .no{background:var(--steel);color:#fff;}
.heli-steps button.on{background:var(--rust);border-color:var(--rust);color:#fff;
  box-shadow:0 5px 16px rgba(200,90,26,.26);}
.heli-steps button.on .no{background:rgba(255,255,255,.24);color:#fff;}
.heli-bar{display:flex;align-items:center;gap:14px;margin-top:14px;}
.heli-play{flex:none;min-width:92px;padding:10px 20px;border:none;border-radius:50px;
  background:var(--ink);color:#fff;font-family:inherit;font-size:.84rem;font-weight:700;cursor:pointer;}
.heli-play:hover{background:var(--steel);}
.heli-reset{flex:none;padding:10px 16px;border:1.5px solid var(--line);border-radius:50px;
  background:#fff;font-family:inherit;font-size:.78rem;font-weight:700;color:var(--muted);cursor:pointer;}
.heli-reset:hover{border-color:var(--steel);color:var(--steel);}
.heli-bar input[type=range]{flex:1;min-width:60px;accent-color:var(--rust);cursor:pointer;}
.heli-cap{margin-top:12px;font-size:.88rem;color:var(--muted);min-height:1.8em;}
.heli-note{margin-top:14px;font-size:.76rem;color:var(--muted);}
@media(max-width:640px){
  .heli-steps button{padding:8px 12px 8px 8px;font-size:.78rem;}
  .heli-bar{flex-wrap:wrap;}
  .heli-bar input[type=range]{order:3;flex-basis:100%;}
  .heli-hint{opacity:1;font-size:.68rem;padding:4px 10px;right:8px;bottom:8px;}
}