/* =========================================================
   丸尾精機 — Industrial / Swiss grid corporate site
   ========================================================= */
:root{
  --paper:#EDEBE6;
  --paper2:#E3E0D9;
  --ink:#14161A;
  --ink70:#4A4F57;
  --ink40:#8A8F98;
  --line:#C9C5BC;
  --line2:#D8D4CC;
  --acc:#D94F1E;
  --acc2:#2C6E63;
  --rail:264px;
  --sans:"Helvetica Neue",Helvetica,"Hiragino Kaku Gothic ProN","Yu Gothic Medium","Yu Gothic",Meiryo,sans-serif;
  --mono:"SF Mono",ui-monospace,"Roboto Mono","Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.85;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
body::before{ /* paper grain */
  content:"";position:fixed;inset:0;pointer-events:none;z-index:9998;opacity:.35;
  background-image:radial-gradient(rgba(0,0,0,.045) 1px,transparent 1px);
  background-size:3px 3px;mix-blend-mode:multiply;
}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
.num{font-family:var(--mono);font-feature-settings:"tnum";letter-spacing:0}

/* ============ 左レール ============ */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail);z-index:100;
  border-right:1px solid var(--line);background:var(--paper);
  display:flex;flex-direction:column;padding:26px 0 22px;
}
.rail__brand{display:flex;gap:12px;align-items:center;padding:0 24px 22px;border-bottom:1px solid var(--line)}
.rail__brand svg{width:34px;height:34px;flex:none;fill:none;stroke:var(--ink);stroke-width:1.4}
.rail__brandtx b{display:block;font-size:16px;letter-spacing:.16em;font-weight:700}
.rail__brandtx i{display:block;font:400 8.5px/1.5 var(--mono);letter-spacing:.14em;color:var(--ink40);font-style:normal}

.rail__nav{position:relative;padding:20px 0;flex:1}
.rail__nav ol{list-style:none}
.rail__nav a{
  display:flex;align-items:baseline;gap:14px;padding:9px 24px;
  font-size:13.5px;color:var(--ink70);transition:.25s;position:relative;
}
.rail__nav a em{font:400 10px var(--mono);font-style:normal;color:var(--ink40);width:18px;transition:.25s}
.rail__nav a:hover{color:var(--ink);background:var(--paper2)}
.rail__nav a.is-on{color:var(--ink);font-weight:700}
.rail__nav a.is-on em{color:var(--acc)}
.rail__nav a.is-on::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;background:var(--acc)}
.rail__bar{position:absolute;left:24px;right:24px;bottom:8px;height:1px;background:var(--line)}
.rail__bar i{display:block;height:1px;width:0;background:var(--acc);transition:width .15s linear}

.rail__foot{padding:20px 24px 0;border-top:1px solid var(--line)}
.rail__lbl{font:400 9.5px/1 var(--mono);letter-spacing:.16em;color:var(--ink40);margin-bottom:8px}
.rail__tel{display:block;font:400 22px/1.2 var(--mono);letter-spacing:-.01em}
.rail__hrs{font-size:11px;color:var(--ink70);margin:4px 0 14px}
.rail__cta{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--ink);color:var(--paper);font-size:12.5px;font-weight:700;
  padding:11px 14px;transition:.25s;
}
.rail__cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5;transition:.25s}
.rail__cta:hover{background:var(--acc)}
.rail__cta:hover svg{transform:translateX(4px)}

.mhead{display:none}
.railscrim{display:none}

/* ============ main ============ */
.main{margin-left:var(--rail);max-width:1440px}
.sec{padding:0 56px}

/* status bar */
.statusbar{
  display:flex;gap:28px;align-items:center;
  border-bottom:1px solid var(--line);padding:0 56px;height:38px;
  font:400 10.5px/1 var(--mono);letter-spacing:.08em;color:var(--ink70);
  position:sticky;top:0;background:rgba(237,235,230,.94);backdrop-filter:blur(6px);z-index:60;
}
.statusbar b{color:var(--ink)}
.statusbar .st--r{margin-left:auto;color:var(--ink40)}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--acc2);margin-right:7px;
  box-shadow:0 0 0 0 rgba(44,110,99,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(44,110,99,0)}100%{box-shadow:0 0 0 0 rgba(44,110,99,0)}}

/* ============ hero ============ */
.hero{padding-top:64px}
.hero__grid{display:grid;grid-template-columns:1fr 372px;gap:0;border-bottom:1px solid var(--line);padding-bottom:52px}
.hero__l{padding-right:64px;border-right:1px solid var(--line)}
.eyebrow{display:flex;gap:0;margin-bottom:26px;flex-wrap:wrap}
.eyebrow span{font:400 10px/1 var(--mono);letter-spacing:.18em;color:var(--ink70);
  border:1px solid var(--line);padding:6px 10px;margin:0 -1px -1px 0}
.hero__h{
  font-size:clamp(34px,4.4vw,58px);line-height:1.32;font-weight:700;
  letter-spacing:.01em;text-indent:-.05em;margin-bottom:28px;
}
.hero__lead{font-size:14.5px;line-height:2.1;color:var(--ink70);max-width:48em}
.hero__lead b{color:var(--ink);font-weight:700;box-shadow:inset 0 -.42em 0 rgba(217,79,30,.16)}
.hero__pts{list-style:none;margin-top:32px;border-top:1px solid var(--line2)}
.hero__pts li{display:flex;gap:16px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--line2);font-size:13.5px}
.hero__pts em{font:400 9.5px var(--mono);font-style:normal;color:var(--acc);letter-spacing:.1em}
.hero__pts b{font-family:var(--mono);font-size:15px}

.hero__r{padding-left:36px}
.spec{width:100%;border-collapse:collapse}
.spec caption{
  text-align:left;font:400 9.5px/1 var(--mono);letter-spacing:.18em;color:var(--ink40);
  padding-bottom:12px;border-bottom:1.5px solid var(--ink);margin-bottom:0;
}
.spec th{
  text-align:left;font-size:11.5px;font-weight:400;color:var(--ink70);
  padding:11px 0;border-bottom:1px solid var(--line2);width:44%;vertical-align:top;
}
.spec td{
  text-align:right;font-size:12.5px;padding:11px 0;border-bottom:1px solid var(--line2);
}
.spec td .num{font-size:14px;color:var(--ink)}
.spec__note{font-size:10.5px;color:var(--ink40);margin-top:12px;line-height:1.7}

/* image band */
.band{position:relative;margin:0 -56px;height:400px;overflow:hidden;border-bottom:1px solid var(--line)}
.band img{filter:grayscale(.4) contrast(1.06)}
.band figcaption{
  position:absolute;left:56px;bottom:22px;display:flex;gap:14px;align-items:baseline;
  color:#fff;font-size:11.5px;text-shadow:0 1px 12px rgba(0,0,0,.7);max-width:60ch;
}
.band__i{font:400 10px var(--mono);letter-spacing:.14em;border:1px solid rgba(255,255,255,.5);padding:3px 7px;flex:none}
.band__anno{position:absolute;display:flex;align-items:center;gap:9px;color:#fff;font:400 9.5px var(--mono);letter-spacing:.16em}
.band__anno i{width:34px;height:1px;background:rgba(255,255,255,.75)}
.band__anno b{border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px;font-weight:400}
.band__anno--a{top:24%;left:56px}
.band__anno--b{top:58%;right:56px;flex-direction:row-reverse}

/* ============ section header ============ */
.sec{padding-top:88px;padding-bottom:8px}
.sechd{display:grid;grid-template-columns:88px 1fr;gap:0 0;align-items:start;margin-bottom:34px;
  border-top:1.5px solid var(--ink);padding-top:16px}
.sechd__n{font:400 11px var(--mono);letter-spacing:.14em;color:var(--acc);padding-top:9px}
.sechd__t{font-size:27px;font-weight:700;letter-spacing:.06em;line-height:1.4}
.sechd__d{grid-column:2;font-size:12.5px;color:var(--ink70);max-width:60em;margin-top:6px;line-height:1.9}
.sechd__d:empty{display:none}
.sechd--inv{border-color:#fff}
.sechd--inv .sechd__d{color:rgba(255,255,255,.6)}

/* ============ 01 filter + index table ============ */
.filter{display:flex;align-items:center;gap:0;margin-bottom:20px;flex-wrap:wrap}
.filter__lbl{font:400 10px var(--mono);letter-spacing:.16em;color:var(--ink40);margin-right:14px}
.chip{
  border:1px solid var(--line);padding:7px 14px;font-size:12px;margin:0 -1px -1px 0;
  display:flex;align-items:center;gap:8px;transition:.2s;color:var(--ink70);
}
.chip i{font:400 9.5px var(--mono);font-style:normal;color:var(--ink40)}
.chip:hover{background:var(--paper2);color:var(--ink)}
.chip.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.is-on i{color:rgba(255,255,255,.55)}

.tablewrap{border-top:1.5px solid var(--ink)}
.idx{width:100%;border-collapse:collapse}
.idx thead th{
  font:400 9.5px var(--mono);letter-spacing:.14em;color:var(--ink40);text-align:left;
  padding:10px 12px;border-bottom:1px solid var(--line);text-transform:uppercase;
}
.idx__row{border-bottom:1px solid var(--line2);cursor:pointer;transition:background .18s}
.idx__row td{padding:15px 12px;font-size:13px;vertical-align:middle}
.idx__row:hover{background:var(--paper2)}
.idx__row.is-open{background:var(--paper2)}
.idx .c1{width:120px;font-size:12px;color:var(--ink70)}
.idx .c2{font-weight:700}
.idx .c3{width:120px;font-size:12px}
.idx .c4{width:96px;text-align:right}
.idx .c5{width:70px;text-align:right}
.idx .c6{width:104px}
.idx .c7{width:40px;text-align:right}
.ex{display:inline-block;width:11px;height:11px;position:relative;transition:.3s}
.ex::before,.ex::after{content:"";position:absolute;background:var(--ink70);transition:.3s}
.ex::before{left:0;top:5px;width:11px;height:1px}
.ex::after{left:5px;top:0;width:1px;height:11px}
.is-open .ex{transform:rotate(90deg)}
.is-open .ex::before{opacity:0}
.tag{font-size:10.5px;padding:3px 8px;border:1px solid var(--line);display:inline-block;line-height:1.5}
.tag--semi{border-color:#8aa2c9;color:#3d5b8c}
.tag--med{border-color:#8fc0b3;color:#2c6e63}
.tag--aero{border-color:#c9a08a;color:#8c563d}
.tag--auto{border-color:#b8a8c9;color:#6b4d8c}

.det td{padding:0!important;border-bottom:1px solid var(--line2)}
.det__in{display:grid;grid-template-columns:300px 1fr;gap:32px;padding:24px 12px 30px;background:var(--paper2)}
.det__in figure{height:196px;overflow:hidden}
.det__in img{filter:grayscale(.35)}
.det__tx h4{font-size:10px;font-family:var(--mono);letter-spacing:.16em;color:var(--ink40);font-weight:400;margin-bottom:10px}
.det__tx p{font-size:13px;line-height:2;color:var(--ink70);max-width:46em}
.det__meta{display:flex;gap:0;margin-top:18px;flex-wrap:wrap}
.det__meta span{font:400 10.5px var(--mono);border:1px solid var(--line);padding:5px 10px;margin:0 -1px -1px 0;color:var(--ink70)}
.tbl__note{font-size:10.5px;color:var(--ink40);margin-top:14px}

/* ============ 02 tabs ============ */
.tabs{display:flex;border-bottom:1.5px solid var(--ink)}
.tab{display:flex;align-items:center;gap:9px;padding:12px 22px;font-size:13px;color:var(--ink70);
  border:1px solid var(--line);border-bottom:none;margin-right:-1px;transition:.2s;background:transparent}
.tab i{font:400 9.5px var(--mono);font-style:normal;color:var(--ink40)}
.tab:hover{background:var(--paper2)}
.tab.is-on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}
.tab.is-on i{color:rgba(255,255,255,.55)}
.panel{display:none}
.panel.is-on{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.eq{width:100%;border-collapse:collapse}
.eq thead th{font:400 9.5px var(--mono);letter-spacing:.14em;color:var(--ink40);text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
.eq tbody td{padding:14px 12px;font-size:13px;border-bottom:1px solid var(--line2)}
.eq tbody tr:hover{background:var(--paper2)}
.eq .r{text-align:right;white-space:nowrap}
.eq th.r{text-align:right}
.gauge{display:inline-block;width:72px;height:4px;background:var(--line);vertical-align:middle;margin-right:12px;position:relative}
.gauge::after{content:"";position:absolute;left:0;top:0;bottom:0;width:calc(var(--v)*1%);background:var(--acc)}
.eq .r b{font-size:12px;width:44px;display:inline-block;text-align:right}

/* ============ 03 dark horizontal rail ============ */
.sec--dark{background:#16181C;color:#fff;margin-top:96px;padding-top:76px;padding-bottom:64px}
.sec--dark .sechd__n{color:#FF7A4D}
.rail-h{overflow-x:auto;cursor:grab;scrollbar-width:none;margin:0 -56px;padding:0 56px}
.rail-h::-webkit-scrollbar{display:none}
.rail-h.is-drag{cursor:grabbing}
.rail-h__track{display:flex;gap:0;width:max-content;border-top:1px solid rgba(255,255,255,.24)}
.step{width:328px;flex:none;padding:26px 30px 30px 0;margin-right:30px;border-right:1px solid rgba(255,255,255,.14);position:relative}
.step:last-child{border-right:none}
.step::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:#FF7A4D;border-radius:50%}
.step__n{font:400 10px var(--mono);letter-spacing:.16em;color:#FF7A4D;display:block;margin-bottom:14px}
.step h3{font-size:18px;font-weight:700;letter-spacing:.05em;margin-bottom:12px}
.step p{font-size:12.5px;line-height:2;color:rgba(255,255,255,.62)}
.step__d{display:inline-block;margin-top:16px;font:400 10px var(--mono);letter-spacing:.12em;
  border:1px solid rgba(255,255,255,.28);padding:4px 9px;color:rgba(255,255,255,.8)}
.rail-h__ui{display:flex;align-items:center;gap:24px;margin-top:26px}
.rail-h__hint{font:400 10px var(--mono);letter-spacing:.14em;color:rgba(255,255,255,.4);white-space:nowrap}
.rail-h__bar{flex:1;height:1px;background:rgba(255,255,255,.2);position:relative}
.rail-h__bar i{position:absolute;left:0;top:-1px;height:3px;width:20%;background:#FF7A4D;transition:left .08s linear}

/* ============ 04 quality ============ */
.q__stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1.5px solid var(--ink);border-bottom:1px solid var(--line)}
.stat{padding:26px 24px;border-right:1px solid var(--line2)}
.stat:last-child{border-right:none}
.stat b{font-family:var(--mono);font-size:40px;line-height:1;letter-spacing:-.02em;font-weight:400}
.stat__u{font-family:var(--mono);font-size:15px;margin-left:4px;color:var(--ink70)}
.stat p{font-size:12.5px;font-weight:700;margin-top:12px}
.stat i{font-size:10.5px;color:var(--ink40);font-style:normal;display:block;margin-top:3px}
.q__body{display:grid;grid-template-columns:1fr 1fr;gap:52px;padding-top:44px}
.q__fig{height:400px;overflow:hidden;position:relative}
.q__fig img{filter:grayscale(.35) contrast(1.05)}
.q__fig figcaption{position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;font:400 10px var(--mono);letter-spacing:.1em;padding:7px 12px}
.q__tx h3{font-size:24px;font-weight:700;letter-spacing:.05em;line-height:1.6;margin-bottom:20px}
.q__tx p{font-size:13.5px;line-height:2.1;color:var(--ink70)}
.q__tx p b{color:var(--ink);box-shadow:inset 0 -.42em 0 rgba(217,79,30,.16)}
.q__list{list-style:none;margin-top:26px;border-top:1px solid var(--line2)}
.q__list li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line2);font-size:12.5px;color:var(--ink70)}
.q__list em{font:400 9.5px var(--mono);font-style:normal;color:var(--acc);padding-top:5px}

/* ============ 05 about ============ */
.about{display:grid;grid-template-columns:1.15fr 1fr;gap:64px}
.dl{border-top:1.5px solid var(--ink)}
.dl>div{display:grid;grid-template-columns:132px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line2)}
.dl dt{font-size:12px;color:var(--ink40);letter-spacing:.06em}
.dl dd{font-size:13px;line-height:1.9}
.hist__h{font-size:12px;letter-spacing:.16em;padding-bottom:14px;border-bottom:1.5px solid var(--ink);font-weight:700}
.hist__l{list-style:none}
.hist__l li{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--line2);align-items:baseline}
.hist__l em{font-style:normal;font-size:13px;color:var(--acc)}
.hist__l span{font-size:12.5px;color:var(--ink70);line-height:1.9}

/* ============ 06 form ============ */
.sec--form{padding-bottom:96px}
.form{display:grid;grid-template-columns:1fr 372px;gap:64px}
.form__l{border-top:1.5px solid var(--ink);padding-top:8px}
.fld{padding:16px 0;border-bottom:1px solid var(--line2)}
.fld label{display:block;font-size:11.5px;letter-spacing:.08em;color:var(--ink70);margin-bottom:9px}
.fld label i{font-style:normal;font-size:9.5px;font-family:var(--mono);color:var(--acc);border:1px solid var(--acc);padding:1px 5px;margin-left:6px}
.fld input[type=text],.fld input[type=email],.fld textarea{
  width:100%;background:transparent;border:none;border-bottom:1px solid var(--line);
  font:inherit;font-size:14px;padding:8px 2px;transition:.2s;resize:vertical;
}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--acc);background:rgba(217,79,30,.03)}
.fld input::placeholder,.fld textarea::placeholder{color:var(--ink40);font-size:13px}
.radios{display:flex;gap:0;flex-wrap:wrap}
.radios label{margin:0 -1px -1px 0;border:1px solid var(--line);padding:0}
.radios input{position:absolute;opacity:0}
.radios span{display:block;padding:8px 16px;font-size:12.5px;transition:.2s;cursor:pointer}
.radios label:hover span{background:var(--paper2)}
.radios input:checked+span{background:var(--ink);color:#fff}
.drop{border:1px dashed var(--line);padding:28px;text-align:center;transition:.25s}
.drop b{display:block;font-size:13px;margin-bottom:5px}
.drop span{font-size:10.5px;color:var(--ink40);font-family:var(--mono)}
.drop.is-over{border-color:var(--acc);background:rgba(217,79,30,.05)}
.submit{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;
  background:var(--ink);color:#fff;padding:17px;font-size:14px;font-weight:700;letter-spacing:.1em;margin-top:26px;transition:.25s}
.submit svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;transition:.25s}
.submit:hover{background:var(--acc)}
.submit:hover svg{transform:translateX(5px)}
.form__msg{font-size:11px;color:var(--acc);margin-top:12px;text-align:center}

.ibox{border-top:1.5px solid var(--ink);padding:16px 0 24px}
.ibox h3{font-size:11px;letter-spacing:.16em;color:var(--ink40);font-weight:400;margin-bottom:12px;font-family:var(--mono)}
.ibox__tel{display:block;font:400 26px/1.2 var(--mono);margin-bottom:6px}
.ibox p{font-size:12.5px;line-height:2;color:var(--ink70)}
.ibox--acc details{border-bottom:1px solid var(--line2)}
.ibox--acc summary{cursor:pointer;font-size:12.5px;padding:11px 0;list-style:none;position:relative;padding-right:22px}
.ibox--acc summary::-webkit-details-marker{display:none}
.ibox--acc summary::after{content:"+";position:absolute;right:2px;top:10px;font-family:var(--mono);color:var(--ink40)}
.ibox--acc details[open] summary::after{content:"–"}
.ibox--acc details p{font-size:12px;padding:0 0 14px;color:var(--ink70)}

/* ============ footer ============ */
.foot{background:var(--ink);color:rgba(255,255,255,.7);padding:34px 56px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}
.foot b{display:block;color:#fff;font-size:15px;letter-spacing:.14em;margin-bottom:6px}
.foot span{font-size:11px;display:block}
.foot__r{text-align:right;font-family:var(--mono);letter-spacing:.08em}
.foot__r span{margin-bottom:4px}
.foot__note{grid-column:1/-1;font-size:10px;color:rgba(255,255,255,.35);border-top:1px solid rgba(255,255,255,.14);padding-top:16px;margin-top:8px}

/* ============ grid overlay ============ */
.gridbtn{position:fixed;right:18px;bottom:18px;z-index:200;font:400 10px var(--mono);letter-spacing:.14em;
  border:1px solid var(--line);background:var(--paper);padding:8px 12px;color:var(--ink70);transition:.2s}
.gridbtn:hover,.gridbtn.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.gridovl{position:fixed;left:var(--rail);right:0;top:0;bottom:0;z-index:150;pointer-events:none;
  display:none;grid-template-columns:repeat(12,1fr);gap:20px;padding:0 56px;max-width:1440px}
.gridovl.is-on{display:grid}
.gridovl i{background:rgba(217,79,30,.075);border-left:1px solid rgba(217,79,30,.2);border-right:1px solid rgba(217,79,30,.2)}

/* reveal */
[data-rv]{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
[data-rv].is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media(max-width:1180px){
  .hero__grid{grid-template-columns:1fr}
  .hero__l{padding-right:0;border-right:none;border-bottom:1px solid var(--line);padding-bottom:36px}
  .hero__r{padding-left:0;padding-top:32px}
  .q__body,.about,.form{grid-template-columns:1fr;gap:40px}
  .q__stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line2)}
}

/* ---------------- tablet / mobile ---------------- */
@media(max-width:860px){
  body{font-size:14px}
  .main{margin-left:0;overflow-x:clip}

  /* --- drawer nav --- */
  .rail{transform:translateX(-100%);transition:transform .35s cubic-bezier(.2,.7,.3,1);
    width:296px;max-width:86vw;overflow-y:auto;overscroll-behavior:contain;z-index:100}
  .rail.is-open{transform:none;box-shadow:0 0 60px rgba(0,0,0,.28)}
  .railscrim{display:block;position:fixed;inset:0;z-index:95;background:rgba(20,22,26,.45);
    opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
  .railscrim.is-on{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .mhead{display:flex;position:sticky;top:0;z-index:90;align-items:center;justify-content:space-between;
    padding:0 20px;height:54px;border-bottom:1px solid var(--line);background:var(--paper)}
  .mhead b{letter-spacing:.14em}
  .mhead span{font-size:13px}
  .mhead button{font:400 11px var(--mono);letter-spacing:.14em;border:1px solid var(--line);
    padding:9px 14px;min-height:38px}

  /* --- shell --- */
  .statusbar{gap:18px;overflow-x:auto;padding:0 20px;font-size:9.5px;top:54px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .statusbar::-webkit-scrollbar{display:none}
  .statusbar span{white-space:nowrap;flex:none}
  .statusbar .st--r{margin-left:0}
  .sec{padding-left:20px;padding-right:20px;padding-top:60px}
  .sec--dark{margin-top:64px;padding-top:56px;padding-bottom:48px}
  .sec--form{padding-bottom:72px}
  .band{margin:0 -20px;height:230px}
  .band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:58%;pointer-events:none;
    background:linear-gradient(to top,rgba(12,13,15,.82),rgba(12,13,15,0))}
  .band figcaption{left:20px;right:20px;bottom:14px;gap:9px;font-size:10.5px;line-height:1.7;
    align-items:flex-start;max-width:none;z-index:2}
  .band__i{padding:2px 6px;font-size:9px}
  .band__anno{display:none}
  .sechd{grid-template-columns:44px 1fr;margin-bottom:26px}
  .sechd__n{padding-top:6px}
  .sechd__t{font-size:22px;letter-spacing:.04em}
  .sechd__d{grid-column:1/-1;font-size:12px;line-height:1.95;margin-top:12px}

  /* --- hero --- */
  .hero{padding-top:40px}
  .hero__grid{padding-bottom:36px}
  .hero__h{font-size:clamp(27px,7.6vw,38px);line-height:1.42;margin-bottom:22px}
  .hero__lead{font-size:13.5px;line-height:2}
  .hero__pts li{display:block;font-size:12.5px;line-height:1.95;padding:12px 0 12px 24px;text-indent:-24px}
  .hero__pts em{display:inline-block;width:24px;text-indent:0}
  .hero__pts b{font-size:14px}
  .hero__r{padding-top:28px}
  .spec th{font-size:11px;width:42%;padding:10px 0}
  .spec td{font-size:12px;padding:10px 0}

  /* --- 01 : table -> data cards --- */
  .filter{flex-wrap:nowrap;overflow-x:auto;margin:0 -20px 18px;padding:0 20px 2px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .filter::-webkit-scrollbar{display:none}
  .filter__lbl{flex:none}
  .chip{flex:none;padding:9px 14px;white-space:nowrap}

  .tablewrap{overflow:visible}
  .idx,.idx tbody{display:block;width:100%}
  .idx thead{display:none}
  .idx__row{display:flex;flex-wrap:wrap;align-items:center;
    padding:16px 0 14px;border-bottom:1px solid var(--line2)}
  .idx tbody td{display:block;width:auto;padding:0;font-size:12px;text-align:left}
  .idx tbody td.c1{order:1;font:400 10.5px var(--mono);letter-spacing:.1em;color:var(--acc);white-space:nowrap}
  .idx tbody td.c6{order:2;margin-left:12px;line-height:1}
  .idx tbody td.c7{order:3;margin-left:auto;width:14px;line-height:1}
  .idx tbody td.c2{order:4;flex:0 0 100%;font-size:15px;font-weight:700;line-height:1.6;margin:10px 0 11px}
  .idx tbody td.c3,.idx tbody td.c4,.idx tbody td.c5{order:5;
    border:1px solid var(--line);padding:4px 9px;margin:0 -1px -1px 0;white-space:nowrap;
    font:400 10.5px/1.7 var(--mono);color:var(--ink70)}
  .idx tbody td.c3::before,.idx tbody td.c4::before,.idx tbody td.c5::before{
    content:attr(data-l) " ";color:var(--ink40)}
  .det,.det td{display:block;width:100%}
  .det td{border-bottom:none}
  .det__in{grid-template-columns:1fr;padding:18px 16px 22px;gap:20px;margin-bottom:2px}
  .det__in figure{height:170px}
  .det__tx p{font-size:12.5px;line-height:1.95}
  .det__meta span{font-size:10px;padding:4px 8px}

  /* --- 02 : tabs + equipment cards --- */
  .tabs{overflow-x:auto;scrollbar-width:none;margin:0 -20px;padding:0 20px;
    -webkit-overflow-scrolling:touch;border-bottom-width:1.5px}
  .tabs::-webkit-scrollbar{display:none}
  .tab{flex:none;padding:11px 16px;font-size:12.5px;white-space:nowrap}
  .panel{overflow:visible}
  .eq,.eq tbody{display:block;width:100%}
  .eq thead{display:none}
  .eq tbody tr{display:block;padding:16px 0 15px;border-bottom:1px solid var(--line2)}
  .eq tbody tr:hover{background:none}
  .eq tbody td{display:inline-block;width:auto;padding:0;border:none;font-size:12px;vertical-align:top}
  .eq tbody td:nth-child(1){display:block;font-size:14px;font-weight:700;line-height:1.6}
  .eq tbody td:nth-child(2){display:block;font-size:11px;color:var(--ink40);margin:2px 0 11px}
  .eq tbody td:nth-child(3),.eq tbody td:nth-child(4),.eq tbody td:nth-child(5){
    border:1px solid var(--line);padding:4px 9px;margin:0 -1px -1px 0;
    font:400 10.5px/1.6 var(--mono);color:var(--ink70)}
  .eq tbody td:nth-child(3)::before,.eq tbody td:nth-child(4)::before,.eq tbody td:nth-child(5)::before{
    content:attr(data-l) " ";color:var(--ink40)}
  .eq tbody td.r{display:flex;align-items:center;gap:12px;width:100%;margin-top:14px;text-align:left}
  .eq tbody td.r::before{content:attr(data-l);font:400 9.5px var(--mono);letter-spacing:.14em;color:var(--ink40);flex:none}
  .eq .gauge{flex:1;width:auto;margin-right:0}
  .eq .r b{width:auto;flex:none}

  /* --- 03 : process rail --- */
  .rail-h{margin:0 -20px;padding:0 20px}
  .step{width:252px;padding:22px 20px 26px 0;margin-right:20px}
  .step h3{font-size:16px}
  .step p{font-size:12px;line-height:1.95}
  .rail-h__ui{gap:16px;margin-top:22px}

  /* --- 04 : quality --- */
  .q__stats{grid-template-columns:1fr}
  .stat{padding:20px 0;border-right:none;border-bottom:1px solid var(--line2)}
  .stat:last-child{border-bottom:none}
  .stat b{font-size:33px}
  .q__body{padding-top:32px}
  .q__fig{height:250px;margin:0 -20px;width:auto}
  .q__tx h3{font-size:19px;line-height:1.7;margin-bottom:16px}
  .q__tx p{font-size:13px;line-height:2}

  /* --- 05 : about --- */
  .dl>div{grid-template-columns:88px 1fr;gap:14px;padding:12px 0}
  .dl dt{font-size:11px}
  .dl dd{font-size:12.5px;line-height:1.85}
  .hist__l li{grid-template-columns:52px 1fr;gap:12px;padding:11px 0}
  .hist__l span{font-size:12px}

  /* --- 06 : form --- */
  .fld input[type=text],.fld input[type=email],.fld textarea{font-size:16px;padding:10px 2px}
  .radios span{padding:10px 14px}
  .drop{padding:22px 16px}
  .submit{padding:16px}
  .ibox__tel{font-size:23px}

  /* --- footer / misc --- */
  .gridbtn,.gridovl{display:none}
  .foot{padding:28px 20px;grid-template-columns:1fr}
  .foot__r{text-align:left}
}

/* ---------------- small phones ---------------- */
@media(max-width:420px){
  .sec{padding-left:16px;padding-right:16px}
  .mhead,.statusbar{padding-left:16px;padding-right:16px}
  .band,.q__fig{margin-left:-16px;margin-right:-16px}
  .band figcaption{left:16px}
  .filter,.tabs,.rail-h{margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}
  .foot{padding-left:16px;padding-right:16px}
  .eyebrow span{padding:5px 8px;font-size:9.5px}
  .idx tbody td.c2{font-size:14px}
  .step{width:78vw}
  .sechd{grid-template-columns:38px 1fr}
  .sechd__t{font-size:20px}
  .dl>div{grid-template-columns:1fr;gap:3px}
  .dl dt{letter-spacing:.1em;font-size:10px;font-family:var(--mono);color:var(--ink40)}
}

/* ---------------- coarse pointer : drop hover-only affordances ---------------- */
@media(hover:none){
  .idx__row:hover,.eq tbody tr:hover,.chip:hover,.tab:hover{background:none}
  .chip.is-on:hover{background:var(--ink)}
  .tab.is-on:hover{background:var(--ink)}
  .idx__row.is-open{background:var(--paper2)}
}