:root {
  --ink: #0a2d35;
  --deep: #082a32;
  --teal: #13796f;
  --mint: #98e5d2;
  --paper: #f3f6f3;
  --line: #d8e0dc;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: #fff; color: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; border-bottom: 1px solid rgba(255,255,255,.16); color: #fff; }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px;
  border: 1px solid rgba(255,255,255,.7); border-radius: 50%;
  font-family: Georgia, serif; font-size: 24px; font-style: italic;
}
.brand b { display: block; font-family: Georgia, serif; font-size: 20px; letter-spacing: .17em; line-height: 1; }
.brand small { display: block; margin-top: 5px; font-size: 10px; letter-spacing: .08em; opacity: .74; }
nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 600; letter-spacing: .05em; }
nav a { transition: opacity .2s ease; }
nav a:hover, nav a:focus-visible { opacity: .72; }
.nav-cta { padding: 12px 19px; border: 1px solid rgba(255,255,255,.55); border-radius: 999px; }

.hero { position: relative; min-height: 730px; overflow: hidden; background: var(--deep); color: #fff; }
.hero::before { content: ""; position: absolute; inset: auto -14% -50% 46%; width: 760px; height: 760px; border-radius: 50%; background: radial-gradient(circle, rgba(59,176,154,.26), transparent 66%); }
.hero-grid { position: absolute; inset: 0; opacity: .075; background-image: linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px); background-size: 86px 86px; mask-image: linear-gradient(90deg, transparent, #000 35%); }
.hero-inner { position: relative; min-height: 730px; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 60px; padding-top: 76px; }
.hero-copy { padding: 70px 0 40px; }
.eyebrow { margin: 0 0 24px; color: var(--mint); font-family: Arial, sans-serif; font-size: 11px; font-weight: 700; letter-spacing: .22em; }
.eyebrow.dark { color: var(--teal); }
.hero h1 { margin: 0; font-size: clamp(42px, 5.3vw, 70px); font-weight: 600; letter-spacing: -.045em; line-height: 1.3; }
.hero h1 em { color: var(--mint); font-style: normal; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: rgba(255,255,255,.72); font-size: 16px; line-height: 2; }
.hero-actions { display: flex; gap: 14px; margin-top: 40px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 25px; padding: 0 25px; border: 0; border-radius: 4px; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--mint); color: var(--deep); }
.button-ghost { border: 1px solid rgba(255,255,255,.35); }
.hero-visual { position: relative; aspect-ratio: 1; }
.orbit { position: absolute; border: 1px solid rgba(152,229,210,.28); border-radius: 50%; }
.orbit-one { inset: 6%; }
.orbit-two { inset: 22%; border-color: rgba(255,255,255,.16); }
.orbit::before, .orbit::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 24px var(--mint); }
.orbit-one::before { top: 16%; right: 12%; }
.orbit-one::after { bottom: 13%; left: 13%; }
.orbit-two::before { top: 48%; left: -5px; }
.orbit-two::after { display: none; }
.status-panel { position: absolute; inset: 32% 16%; display: flex; flex-direction: column; justify-content: center; padding: 28px; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.05); backdrop-filter: blur(8px); }
.status-panel span { margin-bottom: 17px; color: var(--mint); font-size: 9px; letter-spacing: .18em; }
.status-panel strong { padding: 10px 0; border-top: 1px solid rgba(255,255,255,.16); font-family: Arial, sans-serif; font-size: 12px; letter-spacing: .1em; }

.services-section { padding: 110px 0 120px; background: #f5f7f4; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); font-weight: 600; letter-spacing: -.04em; line-height: 1.45; }
.section-heading > p { margin: 0 0 8px; color: #5e7478; font-size: 14px; line-height: 2; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 345px; display: flex; flex-direction: column; justify-content: space-between; padding: 29px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.service-card.featured { background: var(--ink); color: #fff; }
.card-number { color: #819397; font-family: Georgia, serif; font-size: 16px; font-style: italic; }
.featured .card-number { color: var(--mint); }
.card-kicker { margin: 0 0 10px; color: var(--teal); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.featured .card-kicker { color: var(--mint); }
.service-card h3 { margin: 0 0 16px; font-size: 22px; }
.service-card p:last-child { margin: 0; color: #687b7e; font-size: 13px; line-height: 1.9; }
.featured p:last-child { color: rgba(255,255,255,.68); }
.service-card > a { align-self: flex-end; display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 17px; }
.featured > a { border-color: rgba(255,255,255,.25); color: var(--mint); }

.approach-section { padding: 125px 0; background: #fff; }
.approach-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.approach-copy h2, .company-section h2, .contact-band h2, .product-note h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); font-weight: 600; letter-spacing: -.04em; line-height: 1.45; }
.approach-copy > p:not(.eyebrow) { margin: 28px 0 32px; color: #5e7478; font-size: 14px; line-height: 2; }
.text-link { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 7px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 700; }
.approach-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.approach-list li { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 28px 6px; border-bottom: 1px solid var(--line); }
.approach-list li > span { color: var(--teal); font-family: Georgia, serif; font-style: italic; }
.approach-list b { font-size: 18px; }
.approach-list p { margin: 8px 0 0; color: #6f8184; font-size: 13px; }

.company-section { padding: 125px 0; background: #eaf0ec; }
.company-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 120px; }
.company-lead { margin: 28px 0 0; color: #5e7478; font-size: 14px; line-height: 2; }
.company-table { margin: 0; border-top: 1px solid #c7d2cd; }
.company-table > div { display: grid; grid-template-columns: 130px 1fr; padding: 22px 4px; border-bottom: 1px solid #c7d2cd; font-size: 14px; line-height: 1.8; }
.company-table dt { color: #6c7c7f; }
.company-table dd { margin: 0; font-weight: 600; }
.company-table a { text-decoration: underline; text-underline-offset: 4px; }

.contact-band { padding: 85px 0; background: var(--teal); color: #fff; }
.contact-band .eyebrow { color: var(--mint); }
.contact-band h2 { font-size: clamp(31px, 4vw, 46px); }
.contact-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.round-link { display: grid; flex: 0 0 auto; width: 92px; height: 92px; place-items: center; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; color: var(--mint); font-size: 26px; transition: background .2s ease, color .2s ease; }
.round-link:hover, .round-link:focus-visible { background: var(--mint); color: var(--ink); }

.site-footer { padding: 74px 0 28px; background: #061f26; color: #fff; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; padding-bottom: 65px; }
.footer-brand { display: flex; align-items: center; gap: 17px; }
.footer-brand b { font-family: Georgia, serif; font-size: 24px; letter-spacing: .16em; }
.footer-brand p { margin: 8px 0 0; color: rgba(255,255,255,.55); font-size: 11px; }
.footer-links { display: flex; gap: 34px; font-size: 12px; font-weight: 600; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.45); font-size: 10px; }

.page-hero { position: relative; min-height: 480px; overflow: hidden; background: var(--deep); color: #fff; }
.page-hero::after { content: ""; position: absolute; width: 440px; height: 440px; right: 7%; bottom: -55%; border: 1px solid rgba(152,229,210,.25); border-radius: 50%; box-shadow: 0 0 0 80px rgba(152,229,210,.035), 0 0 0 160px rgba(152,229,210,.02); }
.page-hero-inner { position: relative; z-index: 1; padding-top: 190px; }
.page-hero h1 { margin: 0; font-size: clamp(45px, 6vw, 70px); font-weight: 600; letter-spacing: -.045em; }
.page-hero-inner > p:last-child { max-width: 660px; margin: 24px 0 70px; color: rgba(255,255,255,.66); font-size: 14px; line-height: 2; }

.category-nav { background: #fff; border-bottom: 1px solid var(--line); }
.category-nav-inner { display: grid; grid-template-columns: repeat(2, 1fr); }
.category-nav a { display: flex; gap: 16px; align-items: center; justify-content: center; min-height: 78px; border-right: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.category-nav a:first-child { border-left: 1px solid var(--line); }
.category-nav span { color: var(--teal); font-family: Georgia, serif; font-style: italic; }
.product-category { padding: 115px 0; background: #f5f7f4; scroll-margin-top: 30px; }
.product-category.alt { background: #fff; }
.product-category-head { display: grid; grid-template-columns: 52px 1fr .8fr; gap: 38px; align-items: end; margin-bottom: 52px; }
.product-category-head > span { align-self: start; padding-top: 3px; color: var(--teal); font-family: Georgia, serif; font-size: 18px; font-style: italic; }
.product-category h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); letter-spacing: -.04em; }
.product-category-head > p { margin: 0 0 3px; color: #62767a; font-size: 14px; line-height: 2; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.product-card { overflow: hidden; border: 1px solid var(--line); background: #fff; }
.product-image { position: relative; display: block; height: 390px; overflow: hidden; background: #eef2ef; }
.product-image img { display: block; width: 100%; height: 100%; object-fit: contain; transition: transform .35s ease; }
.product-image:hover img { transform: scale(1.025); }
.product-image span { position: absolute; right: 14px; bottom: 14px; padding: 9px 12px; border-radius: 2px; background: rgba(7,39,47,.88); color: #fff; font-size: 10px; }
.product-card-body { min-height: 150px; padding: 26px 28px; }
.product-card h3 { margin: 0 0 12px; font-size: 20px; }
.product-card p { margin: 0; color: #687b7e; font-size: 13px; line-height: 1.8; }
.product-note { padding: 95px 0; background: #e7efea; }
.product-note-inner { display: flex; justify-content: space-between; align-items: center; gap: 70px; }
.product-note h2 { font-size: 34px; }
.product-note p:last-child { margin: 15px 0 0; color: #62767a; font-size: 13px; }
.button-dark { min-width: 180px; background: var(--ink); color: #fff; }

.contact-section { padding: 110px 0 125px; background: #f5f7f4; }
.contact-layout { display: grid; grid-template-columns: 330px 1fr; gap: 85px; align-items: start; }
.contact-aside { position: sticky; top: 30px; }
.contact-aside h2 { margin: 0; font-size: 31px; line-height: 1.55; }
.contact-aside ul { margin: 30px 0 40px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.contact-aside li { padding: 15px 0 15px 22px; border-bottom: 1px solid var(--line); font-size: 13px; position: relative; }
.contact-aside li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.phone-card { padding: 24px; background: var(--ink); color: #fff; }
.phone-card span, .phone-card small { display: block; color: rgba(255,255,255,.57); font-size: 10px; }
.phone-card a { display: block; margin: 10px 0 8px; color: var(--mint); font-family: Arial, sans-serif; font-size: 25px; font-weight: 700; letter-spacing: .04em; }
.form-wrap { padding: 42px 48px 50px; background: #fff; border: 1px solid var(--line); }
.form-intro { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 35px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.form-intro h2 { margin: 0; font-size: 27px; }
.form-intro p { margin: 0; color: #65777a; font-size: 11px; }
.form-intro b, .contact-form label > span b { display: inline-block; padding: 2px 6px; border-radius: 2px; background: #d8f0e9; color: #13796f; font-size: 9px; font-weight: 700; }
.contact-form { display: grid; gap: 24px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.contact-form label { display: grid; gap: 9px; }
.contact-form label > span { font-size: 12px; font-weight: 700; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid #cdd8d3; border-radius: 3px; background: #fbfcfb; color: var(--ink); font: inherit; font-size: 14px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form input, .contact-form select { height: 51px; padding: 0 14px; }
.contact-form textarea { resize: vertical; min-height: 190px; padding: 14px; line-height: 1.8; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(19,121,111,.1); }
.contact-form ::placeholder { color: #9aa8a6; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.privacy-check { display: flex !important; align-items: flex-start; gap: 10px !important; color: #5f7275; }
.privacy-check input { width: 18px; height: 18px; margin: 0; accent-color: var(--teal); }
.privacy-check span { font-weight: 400 !important; line-height: 1.6; }
.form-submit { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 62px; padding: 0 24px; border: 0; border-radius: 3px; background: var(--teal); color: #fff; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.form-submit:hover, .form-submit:focus-visible { background: #0f665f; }
.form-security { margin: -8px 0 0; color: #7b8b8d; font-size: 10px; text-align: center; }
.form-error, .form-success { margin: 0 0 24px; padding: 16px 18px; font-size: 13px; line-height: 1.8; }
.form-error { background: #fff1f0; color: #8a2f2f; border: 1px solid #efc9c7; }
.form-error ul { margin: 0; padding-left: 20px; }
.form-success { background: #e8f7f1; color: #0e675f; border: 1px solid #bde2d6; }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { padding-top: 120px; }
  .hero-visual { display: none; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 280px; }
  .approach-grid, .company-grid, .contact-layout { grid-template-columns: 1fr; gap: 60px; }
  .contact-aside { position: static; }
  .product-category-head { grid-template-columns: 45px 1fr; }
  .product-category-head > p { grid-column: 2; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 32px, 1180px); }
  .header-inner { height: 74px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand small { display: none; }
  .nav-cta { padding: 10px 14px; }
  .hero, .hero-inner { min-height: 690px; }
  .hero h1 { font-size: 39px; }
  .hero-lead { font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .services-section { padding: 80px 0; }
  .approach-section, .company-section, .product-category, .contact-section { padding: 78px 0; }
  .company-grid { gap: 46px; }
  .company-table > div { grid-template-columns: 95px 1fr; }
  .contact-band-inner, .footer-top, .footer-bottom, .product-note-inner { align-items: flex-start; flex-direction: column; }
  .round-link { width: 68px; height: 68px; }
  .footer-links { display: grid; grid-template-columns: repeat(2, 1fr); width: 100%; gap: 20px; }
  .page-hero { min-height: 430px; }
  .page-hero-inner { padding-top: 160px; }
  .category-nav-inner { width: 100%; }
  .category-nav a { min-height: 68px; padding: 0 12px; text-align: center; }
  .product-grid { grid-template-columns: 1fr; }
  .product-image { height: 310px; }
  .product-category-head { gap: 16px; }
  .form-wrap { padding: 30px 20px 36px; }
  .form-row { grid-template-columns: 1fr; }
  .form-intro { align-items: flex-start; flex-direction: column; gap: 10px; }
}