:root {
  --blue: #168acb;
  --blue-bright: #33a9e8;
  --blue-dark: #17466d;
  --navy: #0b2c47;
  --ice: #eaf6fc;
  --white: #fff;
  --yellow: #f2b94b;
  --ink: #123044;
  --muted: #637787;
  --line: rgba(16, 67, 102, .15);
  --shadow: 0 30px 80px rgba(20, 80, 117, .15);
  --radius: 34px;
  --header-h: 86px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; overflow-x: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 9999; top: 8px; left: 8px; padding: 10px 16px; background: #fff; transform: translateY(-150%); box-shadow: 0 3px 14px rgba(0,0,0,.2); }
.skip-link:focus { transform: none; }

.demo-bar {
  position: relative;
  z-index: 110;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 7px 24px;
  color: #fff;
  background: var(--navy);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-align: center;
}
.demo-bar__tag { padding: 1px 8px; color: var(--navy); background: var(--yellow); border-radius: 999px; font: 800 10px/1.7 Arial, sans-serif; letter-spacing: .13em; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 84px);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(15, 69, 104, .08);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s, height .25s;
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(23,70,109,.09); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--blue); }
.brand__mark { width: 36px; height: 36px; flex: 0 0 auto; }
.brand__text { display: flex; flex-direction: column; color: var(--ink); line-height: 1.15; }
.brand__text strong { font-size: 15px; letter-spacing: .08em; }
.brand__text small { margin-top: 5px; color: var(--blue); font: 700 8px/1 Arial, sans-serif; letter-spacing: .24em; }
.global-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.global-nav > a { position: relative; padding: 30px 0; font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.global-nav > a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 24px; height: 2px; background: var(--blue); transition: right .25s; }
.global-nav > a:hover::after, .global-nav > a:focus-visible::after { right: 0; }
.nav-cta { display: inline-flex; align-items: center; gap: 18px; padding: 14px 20px 14px 24px; color: #fff; background: var(--blue); border: 0; border-radius: 999px; font-size: 12px; font-weight: 700; cursor: pointer; box-shadow: 0 10px 28px rgba(22,138,203,.25); transition: background .25s, transform .25s; }
.nav-cta span { font-size: 16px; }
.nav-cta:hover { background: var(--blue-dark); transform: translateY(-2px); }
.menu-toggle { display: none; }

.section { padding: clamp(90px, 11vw, 160px) clamp(24px, 7vw, 110px); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 25px; color: var(--blue); font: 800 11px/1.2 Arial, sans-serif; letter-spacing: .19em; }
.eyebrow span { width: 34px; height: 2px; background: currentColor; }
.section-heading { max-width: 680px; }
.section-heading h2 { margin: 0; color: var(--blue-dark); font-size: clamp(37px, 5.1vw, 74px); line-height: 1.27; letter-spacing: -.045em; }
.section-heading h2 em { color: var(--blue); font-style: normal; }
.section-heading > p:last-child { max-width: 570px; margin: 34px 0 0; color: var(--muted); font-size: 15px; line-height: 2; }

.hero {
  position: relative;
  min-height: calc(100svh - 36px - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(115deg, #f8fdff 0%, #eff9fd 42%, #fff 42%);
}
.hero::before { content: ""; position: absolute; z-index: 1; left: -16vw; bottom: -37vw; width: 70vw; height: 55vw; min-width: 600px; min-height: 500px; background: radial-gradient(circle at 45% 38%, rgba(22,138,203,.13), transparent 55%); border-radius: 50%; }
.hero__art { position: absolute; inset: 4.5% 0 4.5% 43%; overflow: hidden; border-radius: 44px 0 0 180px; box-shadow: -30px 35px 80px rgba(22,89,128,.18); }
.hero__art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,46,73,.2), transparent 28%); }
.hero__art img { height: 100%; object-fit: cover; object-position: 60% center; transition: transform 1.2s cubic-bezier(.22,1,.36,1); }
.hero:hover .hero__art img { transform: scale(1.018); }
.hero__blue-orbit { position: absolute; right: -180px; top: -180px; width: 520px; height: 520px; background: transparent; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; box-shadow: 0 0 0 75px rgba(255,255,255,.055); }
.hero__inner { position: relative; z-index: 2; width: 100%; max-width: 1500px; margin: 0 auto; padding: 80px clamp(24px, 7vw, 110px) 120px; }
.hero__copy { width: min(720px, 58%); }
.hero h1 { margin: 0; color: var(--blue-dark); font-size: clamp(42px, 5.1vw, 76px); font-weight: 700; line-height: 1.2; letter-spacing: -.065em; text-shadow: 0 2px 24px rgba(255,255,255,.75); }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero__lead { margin: 34px 0 0; color: #466373; font-size: clamp(14px, 1.2vw, 17px); font-weight: 600; line-height: 2; }
.hero__actions { display: flex; gap: 14px; margin-top: 38px; }
.button { min-height: 58px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 16px 22px 16px 28px; border: 0; border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: .04em; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s; }
.button span { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 50%; font-size: 14px; }
.button:hover { transform: translateY(-3px); }
.button--primary { color: #fff; background: var(--blue); box-shadow: 0 14px 36px rgba(22,138,203,.3); }
.button--primary span { background: rgba(255,255,255,.18); }
.button--primary:hover { background: var(--blue-dark); box-shadow: 0 18px 40px rgba(23,70,109,.3); }
.button--glass { color: var(--blue-dark); background: rgba(255,255,255,.82); border: 1px solid rgba(23,70,109,.13); box-shadow: 0 14px 36px rgba(20,80,117,.1); backdrop-filter: blur(12px); }
.button--glass span { color: #fff; background: var(--blue-dark); }
.hero__location { position: absolute; right: clamp(20px, 6vw, 90px); bottom: 40px; display: flex; align-items: center; gap: 13px; padding: 15px 22px; color: #fff; background: rgba(9,44,71,.82); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; backdrop-filter: blur(12px); font-size: 13px; font-weight: 700; }
.hero__location small { display: block; margin-bottom: 3px; opacity: .67; font: 700 8px/1 Arial, sans-serif; letter-spacing: .17em; }
.hero__location-dot { width: 9px; height: 9px; background: var(--yellow); border-radius: 50%; box-shadow: 0 0 0 7px rgba(242,185,75,.16); }
.hero__note { z-index: 2; right: 20px; top: 20px; }
.image-note { position: absolute; z-index: 3; right: 14px; bottom: 14px; padding: 4px 9px; color: rgba(255,255,255,.88); background: rgba(7,35,55,.55); border-radius: 99px; font-size: 9px; letter-spacing: .06em; backdrop-filter: blur(5px); }
.hero__scroll { position: absolute; z-index: 2; left: 24px; bottom: 25px; display: flex; flex-direction: column; align-items: center; gap: 11px; color: var(--blue-dark); font: 700 8px/1 Arial, sans-serif; letter-spacing: .2em; writing-mode: vertical-rl; }
.hero__scroll i { width: 1px; height: 42px; background: linear-gradient(var(--blue), transparent); animation: scrollPulse 1.9s infinite; }
@keyframes scrollPulse { 0%,100% { transform: scaleY(.5); transform-origin: top; opacity: .35; } 50% { transform: scaleY(1); opacity: 1; } }

.audience { position: relative; background: #fff; }
.audience::before { content: "ELF"; position: absolute; top: 85px; right: -20px; color: var(--ice); font: 900 clamp(110px, 18vw, 250px)/1 Arial, sans-serif; letter-spacing: -.08em; }
.audience .section-heading { position: relative; z-index: 1; }
.audience-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(300px, 1fr); grid-template-rows: 1fr auto; gap: 22px; max-width: 1320px; margin: 75px auto 0; }
.audience-card { position: relative; overflow: hidden; min-height: 420px; border-radius: var(--radius); box-shadow: var(--shadow); }
.audience-card--business { grid-row: 1 / span 2; min-height: 630px; display: flex; align-items: flex-end; padding: clamp(36px, 5vw, 70px); color: #fff; background: linear-gradient(0deg, rgba(8,39,62,.94) 0%, rgba(8,39,62,.2) 75%), url("assets/led-office.jpg") center/cover; }
.audience-card--business::before { content: ""; position: absolute; inset: auto auto -200px -80px; width: 500px; height: 420px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.audience-card--business::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(22,138,203,.2), transparent 55%); }
.audience-card__number { position: absolute; z-index: 2; top: 28px; right: 34px; color: rgba(255,255,255,.45); font: 300 58px/1 Arial, sans-serif; }
.audience-card__body { position: relative; z-index: 2; max-width: 510px; }
.audience-card__label { color: var(--yellow); font: 800 10px/1 Arial, sans-serif; letter-spacing: .2em; }
.audience-card h3 { margin: 18px 0; font-size: clamp(30px, 3.7vw, 52px); line-height: 1.35; letter-spacing: -.035em; }
.audience-card p { margin: 0 0 30px; color: rgba(255,255,255,.78); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; padding: 0 0 8px; color: inherit; background: transparent; border: 0; border-bottom: 1px solid currentColor; font-size: 12px; font-weight: 700; cursor: pointer; }
.text-link i { font-style: normal; transition: transform .25s; }
.text-link:hover i { transform: translateX(5px); }
.audience-card--personal { padding: 38px; color: var(--blue-dark); background: linear-gradient(145deg, #effaff, #d9f1fb); }
.audience-card--personal::after { content: ""; position: absolute; right: -85px; bottom: -110px; width: 260px; height: 260px; border: 38px solid rgba(22,138,203,.09); border-radius: 50%; }
.audience-card--personal .audience-card__number { color: rgba(22,138,203,.25); }
.audience-card--personal h3 { margin: 14px 0; font-size: 31px; }
.audience-card--personal p { margin-bottom: 20px; color: #567082; font-size: 13px; }
.audience-card__icon { width: 56px; color: var(--blue); }
.audience-card__icon svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.audience-card__caution { position: absolute; z-index: 3; right: 28px; bottom: 24px; color: #688093; font-size: 9px; letter-spacing: .06em; }
.audience-mini { display: grid; grid-template-columns: 90px 1fr; gap: 6px 20px; align-items: center; padding: 27px 30px; color: #fff; background: var(--blue); border-radius: 26px; }
.audience-mini > span { grid-row: 1 / span 2; align-self: start; color: rgba(255,255,255,.62); font: 800 10px/1 Arial, sans-serif; letter-spacing: .2em; writing-mode: vertical-rl; }
.audience-mini strong { font-size: 22px; line-height: 1.35; }
.audience-mini p { margin: 0; color: rgba(255,255,255,.74); font-size: 11px; line-height: 1.65; }

.services { position: relative; padding-top: 130px; color: #fff; background: var(--navy); overflow: hidden; }
.services::before { content: ""; position: absolute; top: -280px; right: -160px; width: 700px; height: 700px; border: 130px solid rgba(34,158,218,.09); border-radius: 50%; }
.services__intro { position: relative; z-index: 1; max-width: 1320px; display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; margin: 0 auto 90px; }
.section-heading--light h2 { color: #fff; }
.section-heading--light .eyebrow { color: #69c8ef; }
.services__intro-copy { width: 390px; margin: 0 0 12px; color: rgba(255,255,255,.65); font-size: 14px; line-height: 2; }
.service-stack { position: relative; max-width: 1320px; margin: 0 auto; }
.service { position: relative; }
.service__image-wrap { position: relative; overflow: hidden; }
.service__image-wrap img { height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.22,1,.36,1); }
.service:hover .service__image-wrap img { transform: scale(1.025); }
.service__copy { position: relative; z-index: 2; }
.service__num { display: inline-block; color: var(--yellow); font: 700 13px/1 Arial, sans-serif; letter-spacing: .2em; }
.service__en { margin: 16px 0 26px; color: #65c6ee; font: 700 10px/1.5 Arial, sans-serif; letter-spacing: .19em; }
.service h3 { margin: 0 0 24px; font-size: clamp(35px, 4.8vw, 66px); line-height: 1.2; letter-spacing: -.04em; }
.service__copy > p:last-child { max-width: 470px; margin: 0; color: rgba(255,255,255,.67); font-size: 14px; line-height: 2; }
.service--electric { min-height: 720px; display: flex; align-items: center; padding-left: 52%; }
.service--electric .service__image-wrap { position: absolute; inset: 0 56% 0 0; border-radius: 220px 28px 28px 28px; }
.service--electric::before { content: "01"; position: absolute; right: -15px; bottom: -55px; color: rgba(255,255,255,.025); font: 900 260px/1 Arial, sans-serif; }
.service--led { min-height: 570px; margin: 110px -14vw 0; display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; color: var(--navy); background: var(--ice); }
.service--led .service__image-wrap { height: 100%; min-height: 570px; order: 2; clip-path: ellipse(88% 95% at 100% 50%); }
.service--led .service__copy { padding: 70px 7vw 70px 14vw; }
.service--led h3 { color: var(--blue-dark); }
.service--led .service__copy > p:last-child { color: #526f80; }
.service--led .service__line { position: absolute; left: 0; right: 0; top: 42px; height: 1px; background: rgba(23,70,109,.12); }
.service--aircon { min-height: 580px; display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 8%; margin-top: 130px; }
.service--aircon .service__image-wrap { height: 580px; border-radius: 28px 190px 28px 28px; box-shadow: 0 35px 90px rgba(0,0,0,.28); }
.service--aircon::after { content: ""; position: absolute; z-index: -1; right: -110px; bottom: -110px; width: 340px; height: 340px; border: 1px solid rgba(101,198,238,.22); border-radius: 50%; }

.about { position: relative; min-height: 850px; padding-top: 150px; background: linear-gradient(120deg, #f7fcff 0%, #edf8fd 62%, #fff 62%); overflow: hidden; }
.about__curve { position: absolute; right: -150px; top: -80px; width: 52vw; height: 900px; background: linear-gradient(160deg, var(--blue), #1fb0e7); border-radius: 50% 0 0 55%; transform: rotate(8deg); }
.about__curve::after { content: ""; position: absolute; inset: 100px 40px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.about__content { position: relative; z-index: 2; max-width: 1320px; display: grid; grid-template-columns: 1fr .8fr; gap: 10%; margin: 0 auto; }
.about .section-heading h2 { font-size: clamp(38px, 4.4vw, 63px); }
.about__message { align-self: end; margin: 150px 0 0; padding: 44px; color: #fff; background: rgba(9,44,71,.88); border-radius: 26px; box-shadow: 0 30px 70px rgba(9,44,71,.22); backdrop-filter: blur(12px); }
.about__message span { color: var(--yellow); font: 800 10px/1 Arial, sans-serif; letter-spacing: .22em; }
.about__message p { margin: 20px 0 0; font-size: clamp(20px, 2vw, 29px); font-weight: 700; line-height: 1.7; }
.company-facts { position: relative; z-index: 2; width: min(850px, 72%); margin: 90px 0 0 clamp(24px, 7vw, 110px); padding: 10px 45px; background: #fff; border-radius: 28px; box-shadow: var(--shadow); }
.company-facts div { display: grid; grid-template-columns: 140px 1fr; padding: 25px 0; border-bottom: 1px solid var(--line); }
.company-facts div:last-child { border-bottom: 0; }
.company-facts dt { color: var(--blue); font-size: 12px; font-weight: 800; }
.company-facts dd { margin: 0; font-size: 14px; font-weight: 700; }
.about__note { position: relative; z-index: 2; margin: 20px 0 0 clamp(24px, 7vw, 110px); color: #71818d; font-size: 10px; }

.guide { background: #fff; }
.guide .section-heading { margin: 0 auto; text-align: center; }
.guide .section-heading h2 { font-size: clamp(36px, 4.2vw, 60px); }
.guide .eyebrow { justify-content: center; }
.guide .section-heading > p:last-child { margin-left: auto; margin-right: auto; }
.steps { position: relative; max-width: 1200px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 90px auto 0; padding: 0; list-style: none; }
.steps::before { content: ""; position: absolute; top: 37px; left: 15%; right: 15%; height: 1px; background: linear-gradient(90deg, transparent, var(--blue), transparent); }
.steps li { position: relative; padding: 0 38px; text-align: center; }
.steps li::before { content: ""; position: relative; z-index: 1; display: block; width: 72px; height: 72px; margin: 0 auto 30px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 72 72'%3E%3Ccircle cx='36' cy='36' r='31' fill='%23eaf6fc'/%3E%3Ccircle cx='36' cy='36' r='15' fill='%23168acb'/%3E%3Ccircle cx='36' cy='36' r='4' fill='white'/%3E%3C/svg%3E") center/72px; }
.steps span { color: var(--blue); font: 800 10px/1 Arial, sans-serif; letter-spacing: .18em; }
.steps strong { display: block; margin: 14px 0 15px; color: var(--blue-dark); font-size: 19px; }
.steps p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.faq { max-width: 900px; margin: 100px auto 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; display: flex; align-items: center; justify-content: space-between; padding: 27px 8px; color: var(--blue-dark); font-size: 15px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span, .faq summary span::after { width: 16px; height: 2px; background: var(--blue); transition: transform .25s; }
.faq summary span::after { content: ""; display: block; transform: rotate(90deg); }
.faq details[open] summary span::after { transform: rotate(0); }
.faq details p { margin: 0; padding: 0 48px 28px 8px; color: var(--muted); font-size: 13px; }

.contact { position: relative; min-height: 670px; display: grid; place-items: center; padding-top: 110px; padding-bottom: 110px; color: #fff; background: linear-gradient(125deg, #0a304d, #12638f 58%, #168acb); overflow: hidden; }
.contact::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to bottom, transparent, #000); }
.contact__glow { position: absolute; border-radius: 50%; filter: blur(1px); }
.contact__glow--one { left: -160px; top: -220px; width: 620px; height: 620px; border: 110px solid rgba(60,190,238,.16); }
.contact__glow--two { right: -140px; bottom: -220px; width: 520px; height: 520px; border: 80px solid rgba(242,185,75,.13); }
.contact__inner { position: relative; z-index: 2; max-width: 950px; text-align: center; }
.contact .eyebrow { justify-content: center; color: #6bd0f4; }
.contact h2 { margin: 0; font-size: clamp(38px, 4.8vw, 68px); line-height: 1.3; letter-spacing: -.05em; }
.contact h2 em { color: #83dafa; font-style: normal; }
.contact__inner > p:not(.eyebrow) { margin: 32px 0; color: rgba(255,255,255,.72); font-size: 14px; }
.button--white { margin: 8px auto 0; color: var(--blue-dark); background: #fff; box-shadow: 0 18px 42px rgba(5,32,51,.3); }
.button--white span { color: #fff; background: var(--blue); }
.contact small { display: block; margin-top: 18px; color: rgba(255,255,255,.55); font-size: 10px; }
.contact__word { position: absolute; left: 50%; bottom: -60px; margin: 0; color: rgba(255,255,255,.035); font: 900 clamp(120px, 22vw, 330px)/1 Arial, sans-serif; letter-spacing: -.08em; transform: translateX(-50%); }

.site-footer { min-height: 180px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding: 45px clamp(24px, 7vw, 110px); background: #061f32; }
.brand--footer .brand__text strong { color: #fff; }
.site-footer__meta { color: rgba(255,255,255,.45); font-size: 10px; text-align: center; }
.site-footer__meta p { margin: 4px 0; }
.back-top { justify-self: end; color: #fff; font: 700 9px/1 Arial, sans-serif; letter-spacing: .15em; }
.back-top span { display: inline-grid; width: 38px; height: 38px; place-items: center; margin-left: 12px; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; }
.mobile-contact { display: none; }

.demo-dialog { width: min(520px, calc(100% - 32px)); padding: 50px; color: var(--ink); background: #fff; border: 0; border-radius: 28px; box-shadow: 0 35px 100px rgba(6,31,50,.35); text-align: center; }
.demo-dialog::backdrop { background: rgba(5,29,46,.68); backdrop-filter: blur(5px); }
.demo-dialog__close { position: absolute; top: 15px; right: 17px; width: 38px; height: 38px; color: var(--muted); background: var(--ice); border: 0; border-radius: 50%; font-size: 25px; cursor: pointer; }
.demo-dialog__badge { display: inline-block; padding: 6px 12px; color: var(--blue-dark); background: #fff3d9; border-radius: 99px; font: 800 9px/1 Arial, sans-serif; letter-spacing: .17em; }
.demo-dialog h2 { margin: 24px 0 16px; color: var(--blue-dark); font-size: 27px; line-height: 1.5; }
.demo-dialog p { margin: 0 0 28px; color: var(--muted); font-size: 13px; }
.demo-dialog__ok { margin: 0 auto; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.steps .reveal:nth-child(2) { transition-delay: .1s; }
.steps .reveal:nth-child(3) { transition-delay: .2s; }

@media (max-width: 1100px) {
  :root { --header-h: 74px; }
  .site-header { padding: 0 24px; }
  .global-nav { gap: 20px; }
  .global-nav > a { font-size: 11px; }
  .nav-cta { padding: 11px 16px; }
  .hero__art { left: 39%; }
  .hero__copy { width: 63%; }
  .about__content { grid-template-columns: 1fr .7fr; gap: 5%; }
  .company-facts { width: 78%; }
}

@media (max-width: 820px) {
  :root { --header-h: 68px; --radius: 25px; }
  .demo-bar { min-height: 40px; padding: 7px 12px; font-size: 9px; line-height: 1.45; }
  .site-header { height: var(--header-h); padding: 0 18px; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .brand__mark { width: 30px; height: 30px; }
  .brand__text strong { font-size: 13px; }
  .menu-toggle { position: relative; z-index: 102; width: 44px; height: 44px; display: grid; align-content: center; gap: 5px; padding: 11px; background: transparent; border: 0; }
  .menu-toggle > span:not(.sr-only) { display: block; width: 23px; height: 2px; background: var(--blue-dark); transition: transform .25s, opacity .25s; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .global-nav { position: fixed; z-index: 101; inset: 0; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 0; padding: 110px 36px 70px; color: #fff; background: linear-gradient(145deg, var(--navy), var(--blue-dark)); transform: translateX(100%); transition: transform .35s cubic-bezier(.22,1,.36,1); }
  .global-nav.is-open { transform: none; }
  .global-nav > a { padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.15); font-size: 16px; }
  .global-nav > a::after { display: none; }
  .global-nav .nav-cta { justify-content: center; margin-top: 28px; color: var(--blue-dark); background: #fff; font-size: 14px; }
  .menu-toggle[aria-expanded="true"] > span:not(.sr-only) { background: #fff; }
  .section { padding: 88px 22px; }
  .section-heading h2 { font-size: clamp(35px, 10vw, 55px); }
  .hero { min-height: auto; display: block; padding-bottom: 0; background: linear-gradient(145deg, #f7fcff, #eaf6fc); }
  .hero__art { position: relative; inset: auto; height: 50svh; min-height: 380px; margin-left: 22px; border-radius: 100px 0 0 24px; }
  .hero__art img { object-position: 64% center; }
  .hero__inner { padding: 70px 22px 42px; }
  .hero__copy { width: 100%; }
  .hero h1 { font-size: clamp(39px, 11.5vw, 63px); line-height: 1.28; }
  .hero__lead { font-size: 13px; }
  .hero__actions { flex-wrap: wrap; }
  .hero__actions .button { flex: 1 1 210px; }
  .hero__location { position: static; width: max-content; margin-top: 30px; color: var(--blue-dark); background: rgba(255,255,255,.76); border-color: rgba(23,70,109,.1); }
  .hero__note { top: auto; bottom: 12px; }
  .hero__scroll { display: none; }
  .audience::before { top: 40px; }
  .audience-grid { grid-template-columns: 1fr; grid-template-rows: auto; margin-top: 55px; }
  .audience-card--business { grid-row: auto; min-height: 520px; }
  .audience-card--personal { min-height: 410px; }
  .audience-mini { min-height: 160px; }
  .services { padding-top: 95px; }
  .services__intro { display: block; margin-bottom: 65px; }
  .services__intro-copy { width: auto; margin-top: 30px; }
  .service--electric { min-height: auto; display: block; padding: 0; }
  .service--electric .service__image-wrap { position: relative; inset: auto; height: 540px; margin-right: 15%; border-radius: 110px 24px 24px 24px; }
  .service--electric .service__copy { padding: 42px 0 0 8%; }
  .service--led { min-height: auto; grid-template-columns: 1fr; margin: 100px -22px 0; }
  .service--led .service__image-wrap { height: 390px; min-height: 0; order: 0; clip-path: none; border-radius: 0 0 0 100px; }
  .service--led .service__copy { padding: 55px 22px 65px; }
  .service--aircon { min-height: auto; grid-template-columns: 1fr; gap: 45px; margin-top: 100px; }
  .service--aircon .service__image-wrap { height: 430px; border-radius: 24px 110px 24px 24px; }
  .about { min-height: auto; padding-top: 100px; }
  .about__curve { right: -60%; top: 38%; width: 120vw; height: 750px; opacity: .88; }
  .about__content { display: block; }
  .about .section-heading h2 { font-size: 35px; letter-spacing: -.055em; }
  .about__message { width: 88%; margin: 80px 0 0 auto; }
  .company-facts { width: 100%; margin: 65px 0 0; padding: 8px 24px; }
  .company-facts div { grid-template-columns: 95px 1fr; }
  .about__note { margin: 16px 0 0; color: rgba(255,255,255,.8); }
  .steps { grid-template-columns: 1fr; gap: 48px; margin-top: 65px; }
  .steps::before { top: 50px; bottom: 50px; left: 36px; right: auto; width: 1px; height: auto; background: linear-gradient(transparent, var(--blue), transparent); }
  .steps li { display: grid; grid-template-columns: 75px 1fr; gap: 0 22px; padding: 0; text-align: left; }
  .steps li::before { grid-row: 1 / span 3; margin: 0; }
  .steps strong { margin: 9px 0 8px; }
  .faq { margin-top: 75px; }
  .contact { min-height: 660px; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer__meta { display: none; }
  .mobile-contact { position: fixed; z-index: 90; right: 14px; bottom: 14px; display: flex; align-items: center; gap: 15px; padding: 14px 16px 14px 21px; color: #fff; background: var(--blue); border: 2px solid #fff; border-radius: 999px; font-size: 12px; font-weight: 800; box-shadow: 0 12px 38px rgba(9,44,71,.3); }
  .mobile-contact span { font-size: 16px; }
}

@media (max-width: 480px) {
  .demo-bar { align-items: flex-start; }
  .hero__art { height: 43svh; min-height: 315px; }
  .hero__inner { padding-top: 55px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .12em; }
  .hero h1 { font-size: 39px; }
  .button { width: 100%; min-height: 56px; }
  .hero__actions { gap: 10px; }
  .audience-card--business { min-height: 485px; padding: 32px; }
  .audience-card--personal { padding: 32px 27px; }
  .audience-card__caution { right: 24px; }
  .service h3 { font-size: 39px; }
  .service--electric .service__image-wrap { height: 450px; }
  .service--led .service__image-wrap { height: 290px; }
  .service--aircon .service__image-wrap { height: 330px; }
  .about__message { width: 100%; padding: 30px; }
  .company-facts div { display: block; }
  .company-facts dt { margin-bottom: 5px; }
  .contact h2 { font-size: 39px; }
  .contact__inner > p:not(.eyebrow) br { display: none; }
  .site-footer { min-height: 155px; padding: 35px 20px 90px; }
  .back-top { font-size: 0; }
  .demo-dialog { padding: 45px 24px 32px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}