/* Concept 01. Original files in dist/ are intentionally unchanged. */
:root{--ink:#171a1d;--muted:#a5abb2;--paper:#f5f6f7;--line:#d6dadd;--blue:#235afa;--gutter:clamp(22px,4.2vw,72px);--max:1480px;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:108px}
body{margin:0;color:var(--ink);background:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
img{display:block;max-width:100%}
svg{display:block}
p,h1,h2,h3,figure,dl,dd{margin:0}
button,a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #ffae45;outline-offset:5px}
::selection{color:#fff;background:var(--blue)}
.shell{width:min(100%,var(--max));margin-inline:auto;padding-inline:var(--gutter)}
.skip-link{position:fixed;z-index:30;top:12px;left:12px;transform:translateY(-180%);padding:16px;background:#fff;color:var(--ink)}
.skip-link:focus{transform:none}
.preview-note{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;padding:8px var(--gutter);color:#cbd0d6;background:#111315;font-size:11px;letter-spacing:.025em}
.preview-note a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.site-header{position:sticky;top:0;z-index:20;background:var(--ink);border-bottom:1px solid #34383c;color:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:88px}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;padding-block:15px}
.brand svg{filter:invert(1);mix-blend-mode:screen}
.brand-mark{width:62px;height:20px}
.brand-lettering{width:166px;height:17px}
.main-nav{display:flex;gap:30px;font-size:14px;color:#ccd0d4}
.main-nav a{padding-block:14px;position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:6px;height:1px;background:#fff;transition:right .2s}
.main-nav a:hover::after{right:0}
.header-phone{font-size:15px;white-space:nowrap}
.header-phone span{margin-left:14px;color:#8f9baa}
.menu-toggle{display:none;width:46px;height:46px;background:none;border:1px solid #555c63;color:#fff;padding:12px}
.menu-toggle span{display:block;width:20px;height:1px;background:currentColor;transition:transform .2s;margin-block:6px}
.hero{color:#fff;overflow:hidden}
.hero-overline{display:flex;justify-content:space-between;align-items:center;padding-top:39px;font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:#bbc1c8}
.hero-overline p{display:flex;align-items:center;gap:12px}
.status-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;background:#6e91ff;border-radius:50%;box-shadow:0 0 0 5px #6e91ff12}
.hero-edition{color:#9fa7b0}
.hero-layout{display:grid;grid-template-columns:1.03fr 1fr;align-items:center;gap:20px;padding-top:46px;padding-bottom:48px}
.hero-copy{position:relative;z-index:2;padding-bottom:7px}
h1{font-size:clamp(50px,5.4vw,80px);line-height:.99;letter-spacing:-.052em;font-weight:500}
h1>span{color:#aab4c0}
h1 small{display:block;margin-top:18px;font-size:.39em;line-height:1.2;letter-spacing:-.025em;color:#e0e3e7}
.hero-lead{font-size:16px;line-height:1.65;color:#aeb6c0;margin-top:27px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px 25px;margin-top:32px}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:56px;padding:17px 22px;font-size:14px;border:1px solid transparent;transition:background .2s,transform .2s}
.button-blue{background:var(--blue);color:#fff}
.button-blue:hover{background:#1749dd;transform:translateY(-2px)}
.button span{font-size:23px;line-height:1}
.text-link{display:inline-flex;align-items:center;gap:16px;min-height:46px;font-size:13px;border-bottom:1px solid #51575e;transition:border-color .2s}
.text-link:hover{border-color:currentColor}
.text-link span{font-size:19px}
.hero-stage{position:relative;isolation:isolate;align-self:stretch;min-height:490px;background:#eceef0;color:var(--ink);margin-right:calc(var(--gutter) * -1);padding:26px 30px 27px 32px;display:flex;flex-direction:column;justify-content:space-between;clip-path:polygon(7% 0,100% 0,100% 100%,0 100%,0 14%)}
.stage-index{display:flex;align-items:center;gap:12px;margin-left:21px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;position:relative;z-index:2}
.crosshair{font-size:23px;font-weight:300;color:#78828e}
.hero-product{width:100%;height:auto;max-height:400px;object-fit:contain;mix-blend-mode:multiply;margin-block:13px;animation:product-enter .8s ease-out both}
.hero-stage figcaption{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;font-size:14px;line-height:1.45;padding-right:60px}
.stage-caption-tag{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#5a6571}
.stage-explore{position:absolute;right:26px;bottom:25px;width:46px;height:46px;display:grid;place-items:center;border:1px solid #b9c0c9;border-radius:50%;font-size:24px;transition:background .2s,color .2s;z-index:3}
.stage-explore:hover{color:#fff;background:var(--ink)}
.hero-bottom{display:grid;grid-template-columns:1fr 1.55fr;gap:60px;padding-top:28px;padding-bottom:28px;position:relative}
.hero-bottom::before{position:absolute;content:"";height:1px;top:0;left:var(--gutter);right:var(--gutter);background:#3a3f44}
.hero-statement{font-size:14px;line-height:1.7;color:#b6bdc5;max-width:380px}
.hero-facts{display:grid;grid-template-columns:1.25fr 1fr .85fr;gap:30px}
.hero-facts dt{font-size:25px;letter-spacing:-.04em;line-height:1.3}
.hero-facts dd{font-size:11px;line-height:1.5;color:#aab2bc;margin-top:8px;max-width:150px}
.hero-footnote{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:11px;color:#9ea7b2;padding-bottom:28px}
.hero-footnote a{color:#e0e5eb;display:flex;align-items:center;gap:20px;min-height:34px}
.section-light{background:var(--paper)}
.construction{padding-block:77px 60px}
.section-topline{display:flex;justify-content:space-between;gap:20px;color:#5c6773;font-size:10px;letter-spacing:.09em;text-transform:uppercase;padding-bottom:25px;border-bottom:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;padding-top:39px;margin-bottom:45px}
.section-heading h2{font-size:clamp(42px,4.5vw,66px);font-weight:500;line-height:1.03;letter-spacing:-.05em}
.section-heading h2 span{color:#7a8591}
.section-heading>p{font-size:15px;line-height:1.7;color:#59636f;width:330px;max-width:100%}
.inspector{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start}
.inspector-visual{background:#e9edf0;min-width:0;position:sticky;top:114px}
.inspector-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;font-size:12px}
.inspector-toolbar>a{display:flex;align-items:center;gap:13px;text-decoration:underline;text-underline-offset:5px;min-height:24px;font-size:11px}
.product-map{position:relative;margin:12px 0 20px}
.product-map>img{width:100%;height:auto;mix-blend-mode:multiply}
.hotspot{position:absolute;width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--ink);border:1px solid #fff;border-radius:50%;box-shadow:0 0 0 5px #171a1d0d;transform:translate(-50%,-50%);font-size:12px;font-weight:bold;z-index:2;transition:background .2s,box-shadow .2s}
.hotspot:hover,.hotspot[aria-current="true"]{background:var(--blue);box-shadow:0 0 0 6px #235afa20}
.hotspot-wheel{left:51%;top:84%}
.hotspot-frame{left:73%;top:30%}
.hotspot-platform{left:38%;top:60%}
.hotspot-label{position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%);padding:8px 11px;background:var(--ink);color:#fff;border-radius:2px;white-space:nowrap;font-size:11px;font-weight:normal;opacity:0;pointer-events:none;transition:opacity .2s}
.hotspot:hover .hotspot-label,.hotspot:focus-visible .hotspot-label{opacity:1}
.inspector-caption{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 24px;padding:19px 0;border-top:1px solid #c8d0d7;font-size:10px;color:#586573}
.inspector-caption>span{display:flex;align-items:center;gap:8px}
.inspector-caption i{width:4px;height:4px;background:#5b748a;display:inline-block}
.inspector-details{border-top:1px solid #bfc6cd;min-width:0}
.node-detail{border-bottom:1px solid #bfc6cd;scroll-margin-top:113px}
.node-detail summary{display:flex;gap:18px;align-items:center;min-height:84px;padding-block:20px;cursor:pointer;list-style:none}
.node-detail summary::-webkit-details-marker{display:none}
.detail-number{font-size:11px;font-variant-numeric:tabular-nums;color:#657486;flex-shrink:0}
.node-detail h3{font-size:22px;font-weight:500;letter-spacing:-.03em}
.node-detail[open] .detail-number{color:var(--blue)}
.detail-sign{width:20px;height:20px;position:relative;margin-left:auto;flex-shrink:0}
.detail-sign::before,.detail-sign::after{content:"";position:absolute;top:50%;left:4px;width:12px;height:1px;background:#596979}
.detail-sign::after{transform:rotate(90deg);transition:transform .2s}
.node-detail[open] .detail-sign::after{transform:rotate(0)}
.detail-content{padding:0 0 26px 33px}
.detail-content>p{font-size:14px;line-height:1.7;color:#526171}
.detail-photo{display:block;margin-top:20px;background:#202932;color:#fff;overflow:hidden}
.detail-photo img{width:100%;height:190px;object-fit:cover;object-position:center 30%;transition:transform .35s}
.detail-photo:hover img{transform:scale(1.04)}
.detail-photo>span{display:flex;align-items:center;justify-content:space-between;font-size:11px;padding:13px 16px;position:relative;background:#202932}
.detail-content .detail-note{font-size:11px;line-height:1.65;color:#697785;margin-top:16px}
.detail-specs{margin-top:24px}
.detail-specs>div{border-top:1px solid var(--line);padding-block:15px;display:flex;gap:25px;justify-content:space-between;font-size:12px;line-height:1.5}
.detail-specs dt{color:#697785}
.detail-specs dd{max-width:170px;text-align:right}
.engineering-note{border-top:1px solid var(--line);margin-top:40px;padding-top:28px;display:flex;align-items:center;gap:25px}
.engineering-note>span{font-size:36px;color:var(--blue);align-self:flex-start;line-height:1}
.engineering-note>p{font-size:14px;line-height:1.7;color:#667482}
.engineering-note strong{font-weight:normal;color:var(--ink)}
.engineering-note>a{margin-left:auto;flex-shrink:0}
.text-link-dark{border-color:#a6b1bc}
.approach{background:#fff;padding-block:65px 78px}
.process-line{display:grid;grid-template-columns:repeat(5,1fr);list-style:none;padding:0;margin:55px 0 0}
.process-line li{position:relative;border-top:1px solid #bfc8d1;padding:28px 22px 0 0}
.process-line li::before{position:absolute;content:"";width:5px;height:5px;background:var(--blue);top:-3px;left:0}
.process-line li>span{font-size:10px;color:#6b7987}
.process-line h3{font-size:23px;font-weight:500;margin-top:20px;letter-spacing:-.03em}
.process-line p{font-size:12px;line-height:1.7;color:#667583;margin-top:12px}
.contact{color:#fff;background:#1e49db;padding-block:70px 74px}
.contact-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:50px;align-items:center}
.contact-kicker{display:flex;align-items:center;gap:12px;font-size:10px;text-transform:uppercase;letter-spacing:.11em;margin-bottom:25px}
.contact-kicker .status-dot{background:#fff;box-shadow:none}
.contact h2{font-size:clamp(34px,3.4vw,50px);line-height:1.08;font-weight:500;letter-spacing:-.04em}
.contact-lead{font-size:13px;line-height:1.7;margin-top:24px;color:#dae3ff}
.contact-actions a{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:44px;border-bottom:1px solid #7295fd;padding-bottom:12px}
.contact-actions a:hover{border-bottom-color:#fff}
.contact-phone{font-size:clamp(20px,2vw,29px);letter-spacing:-.025em}
.contact-email{font-size:22px;margin-top:30px}
.contact-actions p{font-size:11px;line-height:1.5;color:#dae3ff;margin-top:10px}
.site-footer{background:var(--ink);color:#aeb7c0;padding-block:26px 20px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:11px}
.footer-inner>span:nth-child(2){font-size:10px;text-transform:uppercase;letter-spacing:.12em}
.footer-inner a{display:flex;gap:20px;align-items:center;min-height:44px;color:#fff}
.footer-review{color:#9ca6b0;font-size:10px;line-height:1.6;padding-top:15px}
.photo-dialog{border:0;padding:0;background:var(--ink);color:#fff;width:min(1120px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto}
.photo-dialog::backdrop{background:#06090deb;backdrop-filter:blur(6px)}
.dialog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 24px;border-bottom:1px solid #474e56;position:sticky;top:0;background:var(--ink)}
.dialog-toolbar h2{font-size:13px;font-weight:normal}
.dialog-close{display:flex;align-items:center;gap:25px;min-height:44px;border:0;background:none;color:#fff;font-size:12px}
.dialog-close span{font-size:28px}
.dialog-image{width:100%;max-height:calc(100dvh - 190px);min-height:160px;object-fit:contain;background:#e9ecee}
.dialog-caption{padding:18px 24px;font-size:12px;line-height:1.5;color:#c6cdd5}
body.has-dialog{overflow:hidden}
@keyframes product-enter{from{opacity:0;transform:translate(16px,9px)}to{opacity:1;transform:none}}
@media(min-width:1480px){.hero-stage{margin-right:0}.hero-layout{gap:38px}}
@media(max-width:1120px){.main-nav{gap:20px}.brand-mark{width:51px;height:18px}.brand-lettering{width:143px;height:15px}.brand{gap:11px}.header-inner{gap:20px}.header-phone{font-size:13px}.hero-layout{grid-template-columns:1fr 1fr;gap:12px}.hero-stage{min-height:450px;padding-inline:24px}.hero-stage figcaption{font-size:12px}.stage-caption-tag{display:none}.hero-actions{gap:12px 18px}.hero-bottom{gap:35px}.hero-facts{gap:22px}.hero-facts dt{font-size:22px}.inspector{gap:30px}.node-detail h3{font-size:20px}.detail-content{padding-left:0}.section-heading{gap:35px}.contact-layout{grid-template-columns:1.3fr 1fr}}
@media(max-width:860px){
  html{scroll-padding-top:91px}.header-inner{min-height:76px;flex-wrap:wrap;position:relative}.header-phone{margin-left:auto}.menu-toggle{display:none}.main-nav{order:4;flex-basis:100%;padding-bottom:15px;justify-content:space-between;gap:15px}.js .menu-toggle{display:block}.js .main-nav{display:none}.js .main-nav.is-open{display:flex}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .hero-overline{padding-top:29px}.hero-edition{display:none}.hero-layout{gap:20px;padding-top:33px;grid-template-columns:1fr 1fr;padding-bottom:35px}h1{font-size:clamp(38px,5.9vw,51px)}.hero-stage{min-height:405px;padding:20px 18px}.stage-index{margin-left:9px;font-size:8px;gap:8px}.hero-stage figcaption{padding-right:45px;font-size:11px}.stage-explore{width:38px;height:38px;right:18px;bottom:20px}.hero-lead{font-size:14px}.hero-actions{margin-top:25px}.button{min-height:50px;font-size:13px;padding:14px 17px}.text-link{font-size:12px}.hero-bottom{grid-template-columns:1fr;gap:25px}.hero-statement{max-width:560px}.hero-facts{gap:25px}.hero-facts dd{max-width:none}.hero-footnote{align-items:flex-start}.hero-footnote p{max-width:350px;line-height:1.5}.hero-footnote a{white-space:nowrap}
  .construction{padding-top:55px}.section-heading h2{font-size:45px}.section-heading>p{width:270px;font-size:14px}.inspector{grid-template-columns:1fr 1fr;gap:26px}.inspector-toolbar{padding:18px 16px;font-size:10px}.inspector-toolbar>a{font-size:10px}.inspector-visual{top:99px}.inspector-caption{margin-inline:16px;font-size:9px;flex-wrap:wrap;gap:8px}.hotspot{width:38px;height:38px;font-size:10px}.node-detail summary{min-height:73px;gap:12px}.node-detail h3{font-size:18px}.detail-content>p{font-size:13px}.engineering-note{flex-wrap:wrap;gap:18px}.engineering-note>a{margin-left:53px}.process-line h3{font-size:20px}.process-line p{font-size:11px}.contact-layout{grid-template-columns:1fr 1fr;gap:35px}.contact h2{font-size:35px}.contact-phone{font-size:19px}.contact-email{font-size:20px}
}
@media(max-width:620px){
  :root{--gutter:22px}.preview-note{font-size:10px;min-height:32px}.preview-note-extra{display:none}.header-inner{min-height:72px;gap:14px}.brand{gap:10px}.brand-mark{width:49px;height:17px}.brand-lettering{width:133px;height:14px}.header-phone{font-size:0;margin-left:auto}.header-phone span{display:none}.header-phone::before{content:"Позвонить";font-size:11px;text-decoration:underline;text-underline-offset:4px}.menu-toggle{width:42px;height:42px;padding:10px}.main-nav{font-size:13px}.hero-overline{padding-top:27px;font-size:9px;letter-spacing:.08em}.hero-overline p{gap:10px}.hero-layout{display:flex;flex-direction:column;align-items:stretch;padding-top:28px;gap:28px;padding-bottom:26px}.hero-copy{display:contents}h1{font-size:clamp(37px,9.8vw,61px);line-height:1.02;letter-spacing:-.047em;order:0}h1 small{display:inline-block;font-size:18px;margin-top:14px;letter-spacing:-.02em}.hero-stage{order:1;min-height:0;margin:0 calc(var(--gutter)*-1);padding:17px var(--gutter) 20px;clip-path:polygon(6% 0,100% 0,100% 100%,0 100%,0 8%)}.stage-index{margin-left:10px;font-size:9px;gap:10px}.hero-product{max-height:none;margin-block:3px 5px;aspect-ratio:3/2}.hero-stage figcaption{font-size:12px;line-height:1.45;padding-right:60px}.stage-caption-tag{display:block;font-size:8px}.stage-explore{right:22px;bottom:20px;width:40px;height:40px}.hero-lead{order:2;margin-top:0;font-size:16px;line-height:1.55}.hero-actions{order:3;margin-top:-7px;gap:14px 22px;display:grid;grid-template-columns:1fr}.button{font-size:14px;min-height:54px;max-width:none}.text-link{justify-self:start;font-size:13px;min-height:44px}.hero-bottom{padding-top:25px;gap:25px}.hero-statement{font-size:13px;line-height:1.7;max-width:390px}.hero-facts{grid-template-columns:1.2fr 1fr .8fr;gap:16px}.hero-facts dt{font-size:19px}.hero-facts dd{font-size:10px;line-height:1.5}.hero-footnote{display:block;padding-bottom:24px;font-size:10px}.hero-footnote p{max-width:330px}.hero-footnote a{margin-top:14px;justify-content:space-between;min-height:44px;font-size:11px}
  .construction{padding-block:42px}.section-topline{font-size:9px;padding-bottom:20px;gap:12px;line-height:1.5}.section-topline>span:last-child{display:none}.section-heading{display:block;padding-top:27px;margin-bottom:28px}.section-heading h2{font-size:clamp(36px,10vw,50px);line-height:1.05;letter-spacing:-.045em}.section-heading>p{width:auto;max-width:380px;font-size:15px;line-height:1.65;margin-top:23px}.inspector{display:flex;flex-direction:column;gap:28px}.inspector-visual{position:relative;top:auto;width:100%}.inspector-toolbar{padding:17px 16px;font-size:11px}.inspector-toolbar>a{font-size:11px;min-height:30px}.product-map{margin-top:4px;margin-bottom:16px}.hotspot{width:44px;height:44px;font-size:11px}.hotspot-label{display:none}.inspector-caption{font-size:10px;padding-block:15px;gap:10px}.inspector-caption>span:last-child{display:none}.inspector-details{width:100%}.node-detail{scroll-margin-top:96px}.node-detail summary{min-height:76px;gap:17px}.node-detail h3{font-size:22px}.detail-number{font-size:12px}.detail-content{padding:0 0 25px 31px}.detail-content>p{font-size:15px;line-height:1.65}.detail-photo img{height:190px}.detail-photo>span{font-size:12px;min-height:44px}.detail-content .detail-note{font-size:12px;line-height:1.6}.detail-specs>div{font-size:13px}.detail-specs dd{max-width:155px}.engineering-note{margin-top:28px;padding-top:25px;gap:14px}.engineering-note>span{font-size:28px}.engineering-note>p{font-size:13px;flex:1}.engineering-note>a{margin-left:42px;font-size:13px}.approach{padding-block:42px 49px}.process-line{grid-template-columns:1fr;margin-top:30px}.process-line li{display:grid;grid-template-columns:32px 1fr;gap:0 17px;border-top:0;border-left:1px solid #bfc8d1;padding:0 0 28px 23px;margin-left:3px}.process-line li:last-child{padding-bottom:0;border-left-color:transparent}.process-line li::before{left:-3px;top:8px}.process-line li>span{padding-top:5px;font-size:11px}.process-line h3{font-size:22px;margin-top:0}.process-line p{grid-column:2;font-size:14px;line-height:1.6;margin-top:7px}.process-line p br{display:none}.contact{padding-block:43px 45px}.contact-layout{display:block}.contact-kicker{font-size:9px;margin-bottom:23px}.contact h2{font-size:34px;line-height:1.1}.contact-lead{font-size:14px;line-height:1.7;margin-top:21px}.contact-lead br{display:none}.contact-actions{margin-top:34px}.contact-phone{font-size:26px;letter-spacing:-.025em}.contact-email{font-size:23px;margin-top:25px}.contact-actions p{font-size:12px}.footer-inner{font-size:10px;flex-wrap:wrap;gap:5px 18px}.footer-inner>span:nth-child(2){display:none}.footer-inner a{font-size:11px}.footer-review{font-size:10px;line-height:1.6;padding-top:10px}.photo-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.dialog-toolbar{padding:12px 16px}.dialog-toolbar h2{font-size:12px}.dialog-close{gap:14px}.dialog-image{max-height:calc(100dvh - 170px)}.dialog-caption{padding:16px;font-size:12px}
}
@media(max-width:359px){.header-inner{gap:10px}.brand{gap:7px}.brand-mark{width:40px;height:14px}.brand-lettering{width:112px;height:12px}.header-phone::before{font-size:10px}.menu-toggle{width:38px;height:38px;padding:8px}.hero-facts{gap:12px}.hero-facts dt{font-size:17px}.contact-phone{font-size:22px}}
/* Browser QA: keep selected summaries clear of the sticky header, without
   doubling the global scroll-padding. Mobile lettering needs its own line. */
.node-detail{scroll-margin-top:16px}
@media(max-width:620px){
  h1 small{display:block;margin-top:14px;line-height:1.3}
  .menu-toggle{width:44px;height:44px;padding:11px}
  .header-phone{display:flex;align-items:center;min-height:44px}
  .node-detail{scroll-margin-top:12px}
  .engineering-note{display:grid;grid-template-columns:28px minmax(0,1fr);align-items:start}
  .engineering-note>a{grid-column:2;margin-left:0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}