:root {
  --green: #1c947c;
  --green-dark: #157a66;
  --orange: #ff3300;
  --ink: #222;
  --muted: #666;
  --line: #e6e6e6;
  --card: #f4f4f4;
  --max: 1180px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--green);
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.hp { position: absolute; left: -9999px; }

.topbar { position: relative; z-index: 50; background: #fff; color: #777; font-size: 13px; border-bottom: 1px solid #f2f2f2; }
.topbar-row, .head-row, .crumb-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-row { min-height: 36px; }
.top-contact, .top-tools { display: flex; align-items: center; gap: 14px; margin: 0; }
.top-site-name { color: #222; font-weight: 600; }
.top-tools a:hover, .more-link:hover, .crumbs a:hover { color: var(--orange); }
.top-social { display: flex; align-items: center; gap: 10px; }
.top-social a { display: inline-flex; color: #666; }
.top-social a:hover { color: var(--orange); }
.top-social svg { width: 15px; height: 15px; fill: currentColor; display: block; }
.lang-drop { position: relative; }
.lang-drop-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 28px; padding: 0 10px;
  border: 1px solid #e5e5e5; border-radius: 2px; background: #fff;
  cursor: pointer; list-style: none;
}
.lang-drop-btn::-webkit-details-marker { display: none; }
.lang-drop-btn::after {
  content: "";
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  opacity: .55;
}
.lang-drop-icon svg { display: block; fill: currentColor; }
.lang-drop[open] .lang-drop-btn { border-color: var(--green); color: var(--green); }
.lang-drop-list {
  position: absolute; right: 0; top: calc(100% + 4px); z-index: 30; background: #fff;
  border: 1px solid var(--line); min-width: 148px; padding: 6px 0;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
}
.lang-drop-list a { display: block; padding: 6px 12px; }
.lang-drop-list a.is-on, .lang-drop-list a:hover { background: #f7f7f7; color: var(--orange); }

main { flex: 1 0 auto; }
.site-foot { margin-top: auto; }
@media (min-width: 981px) {
  main { min-height: calc(100vh - 520px); }
}
.site-head { background: #fff; position: sticky; top: 0; z-index: 40; box-shadow: 0 1px 0 rgba(0,0,0,.04); }
.head-row { min-height: 78px; }
.brand { display: flex; align-items: center; }
.brand img { max-height: 46px; max-width: 180px; }
.brand-name {
  font-size: 28px; font-weight: 800; letter-spacing: .04em; color: var(--green);
  text-transform: uppercase;
}
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: inline-block; padding: 8px 12px; color: #333; font-size: 15px;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li:hover > a { color: var(--orange); }
.main-nav .sub {
  display: none; position: absolute; left: 0; top: 100%; min-width: 200px;
  background: #fff; border: 1px solid var(--line); padding: 8px 0; z-index: 20;
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.main-nav li:hover > .sub, .main-nav li:focus-within > .sub { display: block; }
.main-nav .sub a { display: block; padding: 7px 16px; color: #444; }
.main-nav .sub a:hover { color: var(--orange); }
.inquiry-link { color: #222; font-weight: 600; padding: 8px 10px; }
.inquiry-link:hover { color: var(--orange); }
.search-open, .nav-open {
  border: 0; background: transparent; color: #333; cursor: pointer; padding: 8px;
}
.nav-open { display: none; width: 42px; height: 42px; }
.nav-open span { display: block; height: 2px; background: #222; margin: 5px 0; }
.search-panel { display: none; background: #fff; border-top: 1px solid var(--line); padding: 12px 0 16px; }
.search-panel.is-open { display: block; }
.search-panel .wrap { display: flex; gap: 8px; }
.search-panel input { flex: 1; border: 1px solid #ddd; padding: 10px 12px; }

.btn, button.btn {
  display: inline-block; background: var(--orange); color: #fff !important;
  border: 0; padding: 10px 18px; cursor: pointer; font-size: 14px;
}
.btn:hover { background: #e02e00; }
.btn-line { background: #fff; color: var(--orange) !important; border: 1px solid var(--orange); }
.more-link { color: var(--orange); font-weight: 600; }

.hero-wrap { position: relative; padding: 28px 0 18px; }
.slider .slide, .hero-fallback .slide {
  display: none; width: min(var(--max), calc(100% - 32px)); margin: 0 auto;
  background: #fff; min-height: 360px; padding: 48px 48px 48px 56px;
  align-items: center; justify-content: space-between; gap: 24px;
}
.slider.is-ready .slide.is-on,
.hero-fallback.is-ready .slide.is-on,
.slider:not(.is-ready) .slide:first-child,
.hero-fallback:not(.is-ready) .slide:first-child { display: flex; }
.slider:has(.slide) + .hero-fallback { display: none; }
.slide-copy { max-width: 460px; }
.slide h2 {
  margin: 0 0 12px; color: var(--orange); font-size: 42px; line-height: 1.15;
  letter-spacing: .02em; text-transform: uppercase;
}
.slide p { margin: 0 0 22px; color: #444; letter-spacing: .04em; }
.slide img { width: min(420px, 46%); object-fit: contain; }
.hero-arrow {
  position: absolute; top: 46%; width: 36px; height: 36px; border: 0; background: transparent;
  color: #fff; font-size: 32px; cursor: pointer;
}
.hero-arrow.is-prev { left: 8px; }
.hero-arrow.is-next { right: 8px; }
.hero-dots { display: flex; justify-content: center; gap: 8px; padding: 16px 0 8px; }
.hero-dots button {
  width: 22px; height: 3px; border: 0; background: rgba(255,255,255,.45); padding: 0; cursor: pointer;
}
.hero-dots button.is-on { background: #333; }

.hero-slider { position: relative; overflow: hidden; background: #0c3f34; }
.hero-slide {
  display: none;
  position: relative;
  min-height: 460px;
  align-items: center;
  background-color: #0c3f34;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.hero-slide.is-on { display: flex; }
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 32, 28, .72) 0%, rgba(8, 32, 28, .28) 52%, rgba(8, 32, 28, .08) 100%);
}
.hero-slide-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max, 1120px), calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}
.hero-slide-inner h2 {
  margin: 0 0 12px;
  max-width: 640px;
  color: #fff;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: none;
}
.hero-slide-inner p { margin: 0 0 20px; max-width: 560px; color: rgba(255,255,255,.92); }
.hero-slide-inner .btn { position: relative; }
.hero-slider-btn {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  color: #222;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.hero-slider-btn.is-prev { left: 16px; }
.hero-slider-btn.is-next { right: 16px; }
.hero-slider:not(:has(.hero-slide:nth-of-type(2))) .hero-slider-btn { display: none; }

.feat-band { padding: 10px 0 36px; color: #fff; }
.feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.feats article h3 { margin: 8px 0; color: #fff; font-size: 18px; }
.feats article p { margin: 0; color: rgba(255,255,255,.92); font-size: 14px; }
.feat-ico { display: inline-flex; width: 72px; height: 72px; }
.feat-ico svg { width: 72px; height: 72px; }
.feat-ico svg * { fill: none; }
.feat-ico svg circle, .feat-ico svg path, .feat-ico svg ellipse, .feat-ico svg rect { stroke: #fff; }
.feats.from-blocks:not(:has(article)) { display: none; }
.feats.from-blocks:has(article) + .fallback-feats { display: none; }

.panel { background: #fff; padding: 42px 0 28px; }
.panel + .panel { border-top: 1px solid #f3f3f3; }
.sec-title {
  margin: 0 0 28px; text-align: center; font-size: 28px; letter-spacing: .08em;
  text-transform: uppercase;
}
.sec-title.is-left { text-align: left; }
.sec-title::after, .about-band .sec-title::after {
  content: ""; display: block; width: 42px; height: 2px; background: #222; margin: 10px auto 0;
}
.sec-title.is-left::after { margin-left: 0; }
.pcard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px 18px; }
.pcard-grid.is-3 { grid-template-columns: repeat(3, 1fr); }
.pcard { text-align: center; }
.pcard-media {
  display: flex; align-items: center; justify-content: center;
  background: var(--card); aspect-ratio: 1; margin-bottom: 10px; position: relative;
}
.pcard-media img { max-height: 82%; width: auto; object-fit: contain; }
.pcard h3 { margin: 0; font-size: 14px; font-weight: 500; }
.pcard h3 a:hover { color: var(--orange); }
.ph { display: block; width: 100%; height: 100%; min-height: 120px; background: linear-gradient(160deg, #e7eeeb, #f7f7f7); }
.more { text-align: center; }
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 36px; align-items: center; }
.about-visual { min-height: 180px; background: linear-gradient(145deg, #d7ebe4, #f4f7f6); }
.news-list { display: flex; flex-direction: column; }
.news-row {
  display: grid; grid-template-columns: 220px 1fr; gap: 22px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.news-thumb { display: block; background: var(--card); min-height: 130px; }
.news-thumb img, .news-thumb .ph { width: 100%; height: 140px; object-fit: cover; display: block; }
.news-row h3 { margin: 0 0 6px; font-size: 18px; }
.news-row h3 a:hover { color: var(--orange); }
.meta { color: #888; font-size: 13px; margin: 0 0 6px; }
.cta-band { background: var(--green-dark); color: #fff; text-align: center; padding: 48px 16px; }
.cta-band h2 { margin: 0 0 10px; font-size: 26px; }
.cta-band p { margin: 0 auto 18px; max-width: 720px; }
.cta-band.in-sheet { background: transparent; color: inherit; text-align: left; padding: 12px 0 24px; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.case-card { display: block; background: var(--card); }
.case-card img, .case-card .ph { width: 100%; height: 160px; object-fit: cover; display: block; }
.case-card strong { display: block; padding: 8px 4px 12px; font-weight: 500; text-align: center; font-size: 14px; }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }

.crumb-bar { color: #14352e; padding: 22px 0 8px; }
.crumb-bar.has-image {
  position: relative;
  min-height: 180px;
  padding: 48px 0 28px;
  color: #fff;
  background-color: #0c3f34;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.crumb-bar.has-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(8, 32, 28, .45);
}
.crumb-bar.has-image .wrap { position: relative; z-index: 1; }
.crumb-intro { margin: 10px 0 0; max-width: 720px; white-space: pre-line; }
.crumb-title { margin: 0; font-size: 26px; font-weight: 500; }
.crumb-nav { background: #fff; border-bottom: 1px solid var(--line); color: #666; font-size: 13px; }
.crumb-nav .wrap { display: flex; align-items: center; min-height: 42px; flex-wrap: wrap; }
.crumb-nav a { color: #666; }
.crumb-nav a:hover { color: var(--orange); }
.crumb-nav span { margin: 0 6px; color: #999; }
.sheet {
  width: min(var(--max), calc(100% - 32px));
  margin: 12px auto 48px; background: #fff; padding: 28px 28px 40px;
}
.split { display: grid; grid-template-columns: 250px 1fr; gap: 28px; }
.side-box { background: #fafafa; margin-bottom: 16px; }
.side-box h2 {
  margin: 0; background: #f3f3f3; font-size: 14px; letter-spacing: .06em;
  text-transform: uppercase; padding: 12px 14px;
}
.side-cats { list-style: none; margin: 0; padding: 0; }
.side-cats li { border-top: 1px solid #eee; }
.side-cats a { display: block; padding: 10px 14px; color: #444; }
.side-cats a:hover, .side-cats .is-on > a { color: var(--orange); }
.side-cats ul { list-style: none; margin: 0; padding: 0 0 8px 12px; }
.side-cats ul:not(:has(li)) { display: none; }
.side-search { display: flex; margin: 8px 0 16px; border: 1px solid #e5e5e5; }
.side-search input { flex: 1; border: 0; padding: 10px 12px; }
.side-search button { width: 42px; border: 0; background: #fff; cursor: pointer; }
.about-blurb p { padding: 0 14px; color: #555; font-size: 14px; }
.lead { margin: 0 0 18px; color: #444; }

.pd-top { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; }
.product-slider-main {
  position: relative; background: var(--card); min-height: 320px;
  display: flex; align-items: center; justify-content: center;
}
.product-slider-main img, .product-slider-main .ph { display: none; max-height: 360px; }
.product-slider-main img.is-on, .product-slider-main .ph.is-on { display: block; }
.product-slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 32px; height: 48px; border: 0; background: rgba(255,255,255,.8); cursor: pointer; font-size: 22px;
}
.product-slider-btn.is-prev { left: 0; }
.product-slider-btn.is-next { right: 0; }
.product-slider-thumbs { display: flex; gap: 8px; margin-top: 10px; }
.product-slider-thumbs button { border: 1px solid transparent; padding: 0; background: var(--card); cursor: pointer; }
.product-slider-thumbs button.is-on { border-color: var(--orange); }
.product-slider-thumbs img { width: 64px; height: 64px; object-fit: cover; display: block; }
.pd-info h1 { margin: 0 0 12px; font-size: 26px; font-weight: 600; }
.spec { width: 100%; border-collapse: collapse; margin: 8px 0 16px; }
.spec th, .spec td { text-align: left; padding: 7px 8px; border-bottom: 1px solid #eee; font-weight: 400; font-size: 14px; }
.spec th { color: #777; width: 38%; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.tabs { margin-top: 28px; }
.tab-bar { display: flex; gap: 4px; background: #f6f6f6; }
.tab-bar button {
  border: 0; background: transparent; padding: 12px 18px; cursor: pointer; color: #444;
}
.tab-bar button.is-on { background: #fff; color: var(--orange); box-shadow: inset 0 -2px 0 var(--orange); }
.tab-panel { display: none; padding: 18px 4px; }
.tab-panel.is-on { display: block; }
.faq-item { border-bottom: 1px solid var(--line); padding: 8px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip { border: 1px solid #ddd; padding: 2px 8px; font-size: 13px; }
.tag-chip:hover { border-color: var(--orange); color: var(--orange); }
.related { margin-top: 28px; }
.related-links { margin: 0; padding-left: 18px; }
.article-detail h1 { margin-top: 0; font-size: 28px; }
.article-cover { width: 100%; max-height: 420px; object-fit: cover; margin: 8px 0 16px; }
.richtext img { height: auto; }
.file-box { background: #fafafa; padding: 16px; margin-bottom: 16px; }
.pdf-frame { width: 100%; height: 640px; border: 0; background: #fff; }
.detail-inquiry { margin-top: 28px; padding-top: 8px; border-top: 1px solid var(--line); }
.detail-inquiry h2, .block-hero h2 { margin-top: 0; }
.empty { color: var(--muted); }

form label { display: block; font-size: 13px; color: #666; margin-bottom: 4px; }
form p { margin: 0 0 12px; }
form input, form textarea, form select {
  width: 100%; border: 1px solid #ddd; padding: 10px 12px; background: #fff;
}
form textarea { min-height: 120px; }

.site-foot { background: #17332d; color: rgba(255,255,255,.82); padding-top: 36px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 24px; }
.site-foot h3 { margin: 0 0 12px; color: #fff; font-size: 14px; letter-spacing: .08em; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin: 0 0 6px; }
.site-foot a:hover { color: #fff; }
.foot-logo { max-height: 40px; }
.foot-copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 24px; padding: 14px 0; font-size: 13px; }
.to-top {
  position: fixed; right: 18px; bottom: 18px; width: 40px; height: 40px;
  border: 0; background: #3a3a3a; color: #fff; cursor: pointer; z-index: 30;
}
.h5-tab { display: none; }

@media (max-width: 980px) {
  .h5-tab {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
    height: calc(56px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: #fff; border-top: 1px solid #e6e6e6;
    box-shadow: 0 -2px 8px rgba(0,0,0,.04);
  }
  .h5-tab-item {
    flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; color: #666; font-size: 11px; line-height: 1.2;
  }
  .h5-tab-item svg { width: 22px; height: 22px; display: block; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
  .h5-tab-item span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .h5-tab-item.is-on { color: var(--green); }
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
  .to-top { bottom: calc(72px + env(safe-area-inset-bottom)); }
  .nav-open { display: block; }
  .main-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 8px 16px 16px; border-top: 1px solid var(--line);
  }
  .main-nav.is-open { display: flex; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav .sub { position: static; display: block; border: 0; box-shadow: none; }
  .feats, .pcard-grid, .pcard-grid.is-3, .pcard-grid.is-4, .case-grid, .foot-grid, .about-grid, .quote-grid, .split, .pd-top, .news-row {
    grid-template-columns: 1fr 1fr;
  }
  .split, .about-grid, .quote-grid, .pd-top, .news-row, .foot-grid { grid-template-columns: 1fr; }
  .slide { padding: 28px 20px; min-height: 0; }
  .slide h2 { font-size: 28px; }
  .hero-slide { min-height: 360px; }
  .hero-slide-inner h2 { font-size: 28px; }
  .hero-slider-btn.is-prev { left: 8px; }
  .hero-slider-btn.is-next { right: 8px; }
  .slide img { width: 100%; }
}
@media (max-width: 640px) {
  .feats, .pcard-grid, .pcard-grid.is-3, .case-grid { grid-template-columns: 1fr 1fr; }
  .top-tools a:nth-child(n+3) { display: none; }
  .crumb-row { align-items: flex-start; flex-direction: column; gap: 6px; }
}