:root {
  --ink: #17201c;
  --muted: #66706a;
  --green: #123d30;
  --green-deep: #0a2c22;
  --gold: #b49a58;
  --line: #d9dedb;
  --soft: #f3f5f3;
  --white: #ffffff;
  --content: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; line-height: 1.8; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 64px), var(--content)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: #fff; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 30; height: 78px; border-bottom: 1px solid rgba(18,61,48,.14); background: rgba(255,255,255,.96); }
.header-inner { width: min(calc(100% - 64px), 1320px); height: 100%; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 42px; height: 42px; }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-family: Georgia, "Times New Roman", serif; font-size: 19px; font-weight: 500; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; }
.nav-wrap { display: flex; align-items: center; }
.site-nav { display: flex; align-items: center; gap: 38px; }
.site-nav a { position: relative; font-size: 13px; font-weight: 700; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--green); transition: right .25s ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { right: 0; }
.menu-button { display: none; width: 42px; height: 42px; padding: 0; border: 0; background: transparent; }
.menu-button::before, .menu-button::after, .menu-button span { content: ""; display: block; width: 24px; height: 1px; margin: 6px auto; background: var(--green); transition: transform .2s ease, opacity .2s ease; }

.hero { min-height: calc(100svh - 78px); display: grid; align-items: center; color: #fff; background: url("assets/hero.jpg") center center / cover no-repeat; }
.hero-copy { width: min(650px, 56%); padding: 90px 0 110px; text-shadow: 0 2px 24px rgba(0,0,0,.65); }
.hero h1 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 72px; font-weight: 400; line-height: 1.32; }
.hero p { max-width: 500px; margin: 28px 0 0; font-size: 16px; }
.hero-link, .text-link { display: inline-flex; align-items: center; gap: 24px; margin-top: 36px; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; }
.hero-link span, .text-link span { transition: transform .2s ease; }
.hero-link:hover span, .text-link:hover span { transform: translateX(5px); }

.section { padding: 112px 0; }
.section-soft { background: var(--soft); }
.section-green { color: #fff; background: var(--green-deep); }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; margin-bottom: 70px; align-items: start; }
.section-label { display: flex; align-items: center; gap: 18px; color: var(--green); font-size: 11px; font-weight: 700; }
.section-label::after { content: ""; width: 42px; height: 1px; background: var(--gold); }
.section-head h2, .statement h2, .page-heading h1 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 48px; font-weight: 400; line-height: 1.5; }
.section-head p { margin: 8px 0 0; color: var(--muted); }
.statement { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: center; }
.statement-copy p { color: var(--muted); }
.statement-image { aspect-ratio: 4 / 3; object-fit: cover; }

.business-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.business-item { min-height: 310px; padding: 34px 28px; border-right: 1px solid var(--line); }
.business-item:last-child { border-right: 0; }
.business-number { color: var(--green); font-family: Georgia, serif; font-size: 42px; }
.business-item h3 { min-height: 66px; margin: 34px 0 15px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 22px; font-weight: 400; line-height: 1.5; }
.business-item p { margin: 0; color: var(--muted); font-size: 13px; }

.profile-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
.profile-band img { width: 100%; height: 100%; object-fit: cover; }
.profile-copy { padding: 80px max(48px, calc((100vw - var(--content))/2)); padding-left: 76px; display: grid; align-content: center; background: var(--soft); }
.profile-copy h2 { margin: 0 0 28px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 43px; font-weight: 400; }
.profile-copy dl { margin: 0; }
.profile-copy dl div { display: grid; grid-template-columns: 100px 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.profile-copy dt { color: var(--muted); font-size: 12px; }
.profile-copy dd { margin: 0; font-size: 14px; }

.city-band { min-height: 380px; display: grid; align-items: center; background: url("assets/tokyo.jpg") center / cover no-repeat; }
.city-band h2 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 44px; font-weight: 400; line-height: 1.5; color: var(--green-deep); text-shadow: 0 1px 10px rgba(255,255,255,.65); }

.page-hero { padding: 94px 0 74px; border-bottom: 1px solid var(--line); }
.page-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: end; }
.page-heading p { max-width: 560px; margin: 0; color: var(--muted); }
.service-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 100px .8fr 1.2fr; gap: 30px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.service-row > strong { color: var(--green); font-family: Georgia, serif; font-size: 14px; }
.service-row h2 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 26px; font-weight: 400; }
.service-row p { margin: 0; color: var(--muted); }
.notice { margin-top: 48px; padding: 22px 26px; border-left: 3px solid var(--gold); background: #f7f7f3; color: #5e5b50; font-size: 13px; }
.company-table { width: 100%; border-collapse: collapse; }
.company-table th, .company-table td { padding: 22px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.company-table th { width: 220px; color: var(--muted); font-size: 13px; }
.company-table td ul { margin: 0; padding-left: 20px; }
.privacy-copy { max-width: 820px; }
.privacy-copy h2 { margin: 46px 0 10px; font-family: "Yu Mincho", serif; font-size: 24px; font-weight: 400; }
.privacy-copy h2:first-child { margin-top: 0; }
.privacy-copy p, .privacy-copy li { color: var(--muted); }

.site-footer { padding: 64px 0 28px; color: #fff; background: var(--green-deep); }
.footer-top { display: flex; justify-content: space-between; gap: 60px; align-items: start; }
.site-footer .brand img { filter: brightness(0) invert(1); }
.site-footer .brand-copy small, .footer-address { color: rgba(255,255,255,.65); }
.footer-nav { display: flex; gap: 28px; font-size: 12px; }
.footer-address { margin: 24px 0 0; font-size: 12px; }
.footer-bottom { margin-top: 56px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); display: flex; justify-content: space-between; color: rgba(255,255,255,.55); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 900px) {
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .business-item:nth-child(2) { border-right: 0; }
  .business-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .profile-band { grid-template-columns: 1fr; }
  .profile-band img { max-height: 520px; }
  .profile-copy { padding: 64px 32px; }
}

@media (max-width: 700px) {
  body.menu-open { overflow: hidden; }
  .container, .header-inner { width: min(calc(100% - 32px), var(--content)); }
  .site-header { height: 68px; }
  .brand img { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { display: none; }
  .menu-button { display: block; }
  .menu-button[aria-expanded="true"] span { opacity: 0; }
  .menu-button[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }
  .nav-wrap { display: none; position: absolute; top: 68px; left: 0; width: 100%; height: calc(100svh - 68px); padding: 48px 24px; background: #fff; }
  .nav-wrap.is-open { display: block; }
  .site-nav { display: grid; gap: 0; }
  .site-nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .hero { min-height: calc(100svh - 68px); background-position: 55% center; }
  .hero-copy { width: 100%; padding: 80px 0 110px; }
  .hero h1 { font-size: 42px; }
  .hero p { font-size: 14px; }
  .section { padding: 76px 0; }
  .section-head, .statement, .page-heading { grid-template-columns: 1fr; gap: 30px; }
  .section-head { margin-bottom: 46px; }
  .section-head h2, .statement h2, .page-heading h1 { font-size: 34px; }
  .statement { gap: 44px; }
  .business-grid { grid-template-columns: 1fr; }
  .business-item { min-height: 0; padding: 30px 4px; border-right: 0; border-top: 1px solid var(--line); }
  .business-item:first-child { border-top: 0; }
  .business-item h3 { min-height: 0; margin: 16px 0 10px; }
  .profile-band { min-height: 0; }
  .profile-band img { height: 340px; }
  .profile-copy h2 { font-size: 33px; }
  .profile-copy dl div { grid-template-columns: 86px 1fr; gap: 12px; }
  .city-band { min-height: 330px; background-position: 61% center; }
  .city-band h2 { max-width: 230px; font-size: 31px; }
  .page-hero { padding: 70px 0 54px; }
  .service-row { grid-template-columns: 44px 1fr; gap: 16px; }
  .service-row p { grid-column: 2; }
  .company-table, .company-table tbody, .company-table tr, .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding-bottom: 3px; border-bottom: 0; }
  .company-table td { padding-top: 3px; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .footer-nav { display: grid; gap: 14px; }
}