@import url('https://fonts.googleapis.com/css2?family=DM+Mono&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Serif+JP:wght@400;500;600&display=swap');

:root {
  --green: #183d36;
  --green-deep: #102e28;
  --ink: #20312c;
  --sand: #ddd3c5;
  --paper: #f5f1e9;
  --clay: #b56f55;
  --line: rgba(24, 61, 54, 0.16);
  --serif: 'Noto Serif JP', 'Yu Mincho', YuMincho, serif;
  --sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  --mono: 'DM Mono', ui-monospace, monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.9; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
.container { width: min(var(--max), calc(100% - 96px)); margin: 0 auto; }
.sr-only { clip: rect(0, 0, 0, 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -60px; background: var(--green); color: #fff; padding: 8px 14px; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { background: rgba(245, 241, 233, .95); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.header-inner { align-items: center; display: flex; height: 86px; justify-content: space-between; }
.brand { align-items: center; display: inline-flex; gap: 11px; letter-spacing: .04em; }
.brand-mark { background: var(--green); display: block; height: 38px; object-fit: cover; width: 38px; }
.brand-copy { display: grid; font-family: var(--sans); line-height: 1.05; }
.brand-copy strong { font-size: 15px; font-weight: 700; letter-spacing: .14em; }
.brand-copy span { font-size: 10px; letter-spacing: .13em; margin-top: 4px; }
.primary-nav { align-items: center; display: flex; gap: 30px; font-size: 12px; font-weight: 600; letter-spacing: .08em; }
.primary-nav > a:not(.nav-contact) { position: relative; }
.primary-nav > a:not(.nav-contact)::after { background: var(--clay); bottom: -6px; content: ''; height: 1px; left: 0; position: absolute; transform: scaleX(0); transform-origin: right; transition: transform .25s; width: 100%; }
.primary-nav > a:not(.nav-contact):hover::after, .primary-nav > a:not(.nav-contact):focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-contact { background: var(--green); color: #fff; padding: 9px 16px; }
.menu-button { background: transparent; border: 0; display: none; height: 44px; padding: 8px; width: 44px; }
.menu-button i { background: var(--green); display: block; height: 1px; margin: 6px auto; transition: transform .2s; width: 22px; }

.hero { background: var(--green-deep); color: #fff; min-height: min(750px, calc(100vh - 86px)); overflow: hidden; position: relative; display: flex; align-items: center; }
.hero-photo { height: 100%; inset: 0; object-fit: cover; opacity: .86; position: absolute; width: 100%; }
.hero-wash { background: linear-gradient(90deg, rgba(16,46,40,.96) 0%, rgba(16,46,40,.84) 38%, rgba(16,46,40,.26) 67%, rgba(16,46,40,.1) 100%); inset: 0; position: absolute; }
.hero-content { padding-bottom: 78px; padding-top: 88px; position: relative; z-index: 1; }
.eyebrow, .overline { font-family: var(--mono); font-size: 10px; font-weight: 400; letter-spacing: .18em; margin: 0 0 22px; }
.eyebrow { color: rgba(255,255,255,.74); }
.hero h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: .04em; }
.hero h1 { font-size: clamp(42px, 5.4vw, 76px); line-height: 1.37; margin: 0; text-shadow: 0 1px 10px rgba(0,0,0,.08); }
.hero-lead { font-size: 16px; letter-spacing: .06em; line-height: 2; margin: 28px 0 36px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 30px; }
.button { align-items: center; border: 0; display: inline-flex; font-size: 13px; font-weight: 600; gap: 20px; justify-content: space-between; letter-spacing: .08em; padding: 16px 20px; transition: background .25s, color .25s, transform .25s; }
.button-primary { background: var(--clay); color: #fff; min-width: 190px; }
.button-primary:hover, .button-primary:focus-visible { background: #ca8064; transform: translateY(-2px); }
.text-link { border-bottom: 1px solid rgba(255,255,255,.65); font-size: 12px; letter-spacing: .09em; padding-bottom: 4px; }
.text-link span { margin-left: 11px; }
.hero-foot { bottom: 29px; display: flex; font-family: var(--mono); font-size: 10px; justify-content: space-between; letter-spacing: .15em; position: absolute; z-index: 1; }

.section { padding: 140px 0; }
.intro-grid { display: grid; gap: 70px; grid-template-columns: 150px minmax(0, 1fr); }
.section-kicker { color: var(--clay); font-family: var(--mono); font-size: 11px; letter-spacing: .16em; padding-top: 15px; }
.section-kicker p { color: var(--ink); font-size: 10px; margin: 12px 0; }
.overline { color: var(--clay); }
h2 { font-size: clamp(33px, 4vw, 54px); line-height: 1.45; margin: 0 0 29px; }
.intro-copy > p:not(.overline) { font-size: 15px; line-height: 2.15; margin: 0 0 20px; max-width: 600px; }

.section-sand { background: var(--sand); }
.section-head { align-items: end; display: flex; justify-content: space-between; margin-bottom: 66px; }
.section-head h2 { margin-bottom: 0; }
.section-summary { font-size: 14px; line-height: 2; margin: 0; max-width: 310px; }
.service-list { border-top: 1px solid rgba(24,61,54,.35); }
.service-card { align-items: start; border-bottom: 1px solid rgba(24,61,54,.24); display: grid; gap: 24px; grid-template-columns: 70px minmax(240px, 1fr) minmax(280px, .9fr); padding: 38px 10px; transition: background .25s, padding .25s; }
.service-card:hover { background: rgba(245,241,233,.5); padding-left: 22px; padding-right: 22px; }
.service-number { color: var(--clay); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; padding-top: 8px; }
.service-main { display: grid; grid-template-columns: 49px 1fr; column-gap: 15px; }
.service-icon { align-items: center; border: 1px solid var(--green); display: flex; grid-row: span 2; height: 43px; justify-content: center; margin-top: 4px; width: 43px; }
.service-icon svg { fill: none; height: 27px; stroke: var(--green); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.4; width: 27px; }
.service-main h3 { font-family: var(--serif); font-size: 23px; font-weight: 500; letter-spacing: .04em; line-height: 1.35; margin: 0; }
.service-ja { font-size: 12px; margin: 6px 0 0; }
.service-card ul { font-size: 13px; line-height: 1.9; list-style: none; margin: 0; padding: 3px 0 0; }
.service-card li { padding-left: 14px; position: relative; }
.service-card li::before { color: var(--clay); content: '•'; left: 0; position: absolute; }

.statement { background: var(--paper); overflow: hidden; padding: 105px 0 109px; }
.statement-inner { position: relative; }
.statement-caption { color: var(--clay); font-family: var(--mono); font-size: 10px; letter-spacing: .18em; margin: 0 0 23px; }
.statement-text { font-family: var(--serif); font-size: clamp(31px, 4.1vw, 56px); letter-spacing: .06em; line-height: 1.63; margin: 0; }
.statement-text span { color: var(--clay); }
.statement-line { background: var(--green); height: 1px; margin-top: 47px; position: relative; width: 100%; }
.statement-line::after { border: 1px solid var(--green); border-radius: 50%; content: ''; height: 12px; position: absolute; right: 10%; top: -6px; width: 12px; }

.process-grid { display: grid; gap: 100px; grid-template-columns: minmax(280px, .8fr) minmax(420px, 1.2fr); }
.process-lead { font-size: 14px; line-height: 2.15; max-width: 400px; }
.steps { border-top: 1px solid var(--line); list-style: none; margin: 0; padding: 0; }
.steps li { border-bottom: 1px solid var(--line); display: grid; gap: 26px; grid-template-columns: 52px 1fr; padding: 26px 0; }
.steps li > span { color: var(--clay); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; padding-top: 5px; }
.steps h3 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin: 0 0 4px; }
.steps p { font-size: 13px; margin: 0; }

.section-green { background: var(--green); color: #fff; }
.section-green .overline { color: #e7b7a6; }
.company-grid { display: grid; gap: 80px; grid-template-columns: .8fr 1.2fr; }
.company-heading p:not(.overline) { color: rgba(255,255,255,.75); font-size: 14px; max-width: 340px; }
.company-table { border-top: 1px solid rgba(255,255,255,.42); margin: 0; }
.company-table > div { border-bottom: 1px solid rgba(255,255,255,.25); display: grid; grid-template-columns: 150px 1fr; padding: 26px 0; }
.company-table dt { color: rgba(255,255,255,.61); font-size: 12px; }
.company-table dd { font-family: var(--serif); font-size: 16px; line-height: 1.8; margin: 0; }

.contact { padding-bottom: 150px; }
.contact-grid { display: grid; gap: 110px; grid-template-columns: .75fr 1.25fr; }
.contact-intro > p:not(.overline) { font-size: 14px; line-height: 2.1; max-width: 340px; }
.contact-note { color: var(--clay); font-size: 12px !important; margin-top: 35px; }
.contact-form { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.form-row { display: grid; gap: 7px; }
.form-row-full { grid-column: 1 / -1; }
.form-row label, .consent { font-size: 12px; font-weight: 500; }
.form-row label span { color: var(--clay); font-size: 10px; margin-left: 6px; }
input, select, textarea { background: transparent; border: 0; border-bottom: 1px solid rgba(24,61,54,.36); border-radius: 0; color: var(--ink); outline: none; padding: 11px 4px; transition: border-color .2s, background .2s; width: 100%; }
select { color: var(--ink); }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { background: rgba(221,211,197,.34); border-bottom-color: var(--green); }
.consent { align-items: flex-start; display: flex; gap: 9px; grid-column: 1 / -1; line-height: 1.6; margin-top: 6px; }
.consent input { accent-color: var(--green); height: 16px; margin: 2px 0 0; min-width: 16px; width: 16px; }
.submit-button { margin-top: 5px; width: 190px; }
.form-message { color: var(--clay); font-size: 12px; grid-column: 1 / -1; line-height: 1.7; margin: 0; min-height: 24px; }

.site-footer { background: var(--green-deep); color: rgba(255,255,255,.7); padding: 32px 0; }
.footer-inner { align-items: center; display: flex; font-size: 10px; justify-content: space-between; letter-spacing: .06em; }
.footer-brand { color: #fff; }
.footer-brand .brand-mark { height: 30px; width: 30px; }
.footer-brand .brand-copy strong { font-size: 13px; }
.footer-brand .brand-copy span { font-size: 8px; }
.footer-inner p { margin: 0; }
.footer-inner > a:last-child { border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: 2px; }

@media (max-width: 900px) {
  .container { width: min(var(--max), calc(100% - 52px)); }
  .intro-grid { gap: 45px; grid-template-columns: 96px 1fr; }
  .service-card { grid-template-columns: 56px minmax(210px, 1fr) minmax(220px, .9fr); }
  .contact-grid, .company-grid { gap: 55px; }
}

@media (max-width: 700px) {
  body { font-size: 14px; }
  .container { width: min(var(--max), calc(100% - 36px)); }
  .header-inner { height: 68px; }
  .brand-mark { height: 34px; width: 34px; }
  .menu-button { display: block; }
  .primary-nav { background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 16px 20px rgba(16,46,40,.08); display: flex; flex-direction: column; gap: 0; left: 0; max-height: 0; overflow: hidden; padding: 0 18px; position: absolute; top: 68px; transition: max-height .25s, padding .25s; width: 100%; }
  .primary-nav.is-open { max-height: 280px; padding: 14px 18px 22px; }
  .primary-nav a { border-bottom: 1px solid var(--line); padding: 11px 0; width: 100%; }
  .primary-nav .nav-contact { border: 0; margin-top: 15px; padding: 11px 14px; text-align: center; }
  .menu-button.is-open i:first-of-type { transform: translateY(3.5px) rotate(45deg); }
  .menu-button.is-open i:last-of-type { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { min-height: 650px; }
  .hero-photo { object-position: 67% center; }
  .hero-wash { background: linear-gradient(90deg, rgba(16,46,40,.96) 0%, rgba(16,46,40,.86) 65%, rgba(16,46,40,.43) 100%); }
  .hero-content { padding-bottom: 66px; padding-top: 76px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 14px; }
  .hero-foot { bottom: 18px; font-size: 9px; }
  .section { padding: 88px 0; }
  .intro-grid, .process-grid, .company-grid, .contact-grid { display: block; }
  .section-kicker { display: flex; gap: 13px; padding-top: 0; }
  .section-kicker p { margin: 0; }
  .intro-copy { margin-top: 25px; }
  h2 { font-size: 33px; }
  .section-head { align-items: start; display: block; margin-bottom: 40px; }
  .section-summary { margin-top: 22px; }
  .service-card { display: block; padding: 30px 3px; }
  .service-card:hover { padding-left: 10px; padding-right: 10px; }
  .service-number { margin-bottom: 19px; }
  .service-main { margin-bottom: 16px; }
  .service-main h3 { font-size: 21px; }
  .statement { padding: 78px 0; }
  .statement-text { font-size: 31px; }
  .process-grid > div:first-child { margin-bottom: 45px; }
  .section-green { padding-bottom: 82px; }
  .company-heading > p:not(.overline) { margin-bottom: 43px; }
  .company-table > div { display: block; padding: 20px 0; }
  .company-table dt { margin-bottom: 7px; }
  .company-table dd { font-size: 15px; }
  .contact { padding-bottom: 92px; }
  .contact-intro { margin-bottom: 45px; }
  .contact-form { gap: 17px; }
  .form-row { grid-column: 1 / -1; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
