:root {
  --ink: #15191c;
  --paper: #f5f4ef;
  --paper-deep: #e9e8e2;
  --line: #c8c8c1;
  --muted: #5e6367;
  --blue: #4d83b5;
  --blue-dark: #275a88;
  --white: #fff;
  --max: 1180px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; font-size: 1rem; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; transform: translateY(-180%); background: var(--white); padding: .75rem 1rem; }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 82px; padding: 0 var(--gutter); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 2rem; position: sticky; top: 0; z-index: 20; background: rgba(245,244,239,.95); backdrop-filter: blur(14px); }
.brand { width: 184px; display: inline-block; }
.brand img { width: 100%; }
.global-nav { display: flex; align-items: center; gap: clamp(1rem, 2.3vw, 2rem); }
.global-nav a { font-size: .875rem; text-decoration: none; }
.global-nav a:hover { color: var(--blue-dark); }
.nav-cta { padding: .65rem 1rem; border: 1px solid var(--ink); }
.menu-toggle { display: none; border: 1px solid var(--ink); background: transparent; padding: .65rem .8rem; color: var(--ink); }
.section-shell { padding: clamp(5rem, 10vw, 9rem) var(--gutter); border-bottom: 1px solid var(--line); }
.section-shell > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.kicker { margin: 0 0 2rem; font-size: .75rem; line-height: 1.4; font-weight: 700; letter-spacing: .18em; color: var(--blue-dark); }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2 { margin: 0; letter-spacing: -.055em; line-height: 1.04; font-weight: 650; }
h1 { font-size: clamp(3rem, 8.5vw, 7.8rem); }
h2 { font-size: clamp(2.4rem, 5.4vw, 5.7rem); }
h3 { line-height: 1.35; }
.hero { min-height: calc(100svh - 82px); display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); align-items: end; gap: clamp(3rem, 8vw, 8rem); }
.hero > * { margin: 0; }
.hero-copy { max-width: 850px; }
.hero-lead { max-width: 43rem; margin: 2.5rem 0; font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .85rem 1.2rem; text-decoration: none; border: 1px solid transparent; font-weight: 650; }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--blue-dark); }
.button-text { padding-left: 0; padding-right: 0; border-bottom-color: var(--ink); }
.constraint-map { border-top: 1px solid var(--line); }
.constraint-map div { display: grid; grid-template-columns: 2.25rem 1fr; gap: .25rem 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.constraint-map span, .constraint-map small { font-size: .75rem; }
.constraint-map small { grid-column: 2; color: var(--muted); }
.constraint-map strong { letter-spacing: .08em; }
.split-intro, .fit-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(3rem, 9vw, 9rem); }
.split-intro > *, .fit-section > * { margin: 0; }
.split-intro h2, .fit-section h2 { font-size: clamp(2.6rem, 5vw, 5rem); }
.prose { align-self: end; max-width: 42rem; font-size: 1.08rem; }
.prose p:first-child { margin-top: 0; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.method-grid article { min-height: 360px; padding: clamp(2.5rem, 5vw, 5rem) var(--gutter); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.method-grid article:last-child { border-right: 0; }
.method-grid span { font-size: .75rem; color: var(--blue-dark); }
.method-grid h3 { margin: auto 0 1rem; font-size: clamp(1.4rem, 2vw, 2rem); letter-spacing: .06em; }
.method-grid p { max-width: 22rem; margin: 0; }
.lined-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.lined-list li { display: grid; grid-template-columns: 3rem 1fr; border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.lined-list span { font-size: .75rem; color: var(--blue-dark); }
.lined-list p { margin: 0; font-size: 1.08rem; }
.quiet { margin: 1.5rem 0 0; color: var(--muted); font-size: .9rem; }
.section-heading { display: grid; grid-template-columns: minmax(0, .45fr) minmax(0, 1fr); gap: 3rem; align-items: start; }
.section-heading .kicker { margin: .5rem 0 0; }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 5rem; background: var(--line); border: 1px solid var(--line); }
.offer-grid article { background: var(--paper); padding: clamp(1.5rem, 3vw, 2.75rem); }
.offer-type { color: var(--blue-dark); font-size: .75rem; letter-spacing: .14em; font-weight: 700; }
.offer-grid h3 { min-height: 3.5rem; font-size: 1.35rem; }
.inline-link { display: inline-block; margin-top: 2rem; font-weight: 650; }
.evidence-callout { background: var(--ink); color: var(--white); display: grid; grid-template-columns: minmax(0, .45fr) minmax(0, 1fr); gap: 3rem; }
.evidence-callout > * { margin: 0; width: 100%; }
.evidence-callout .kicker { color: #9bc1e2; }
.evidence-callout p:not(.kicker) { max-width: 46rem; margin: 2rem 0; color: #d9dde0; font-size: 1.05rem; }
.button-light { color: var(--ink); background: var(--white); }
.process-list { list-style: none; padding: 0; margin-top: 5rem; margin-left: 30%; }
.process-list li { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.process-list span { font-size: .75rem; color: var(--blue-dark); }
.process-list h3, .process-list p { margin: 0; }
.process-list h3 { font-size: 1.2rem; }
.process-list p { margin-top: .35rem; color: var(--muted); }
.final-cta { text-align: center; }
.final-cta > * { max-width: 900px; }
.final-cta p:not(.kicker) { max-width: 42rem; margin-top: 2rem; margin-bottom: 2rem; font-size: 1.08rem; }
.site-footer { padding: 3.5rem var(--gutter); display: grid; grid-template-columns: minmax(160px, .7fr) 1fr 1fr auto; gap: 2rem; align-items: end; background: var(--paper-deep); }
.footer-brand { width: 170px; }
.site-footer p, .site-footer a, .site-footer small { font-size: .8rem; }
.site-footer p { margin: 0; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; }
.page-hero { padding-top: clamp(5rem, 10vw, 9rem); }
.page-hero h1 { font-size: clamp(3rem, 7vw, 6.8rem); max-width: 12ch; }
.page-hero .lead { max-width: 46rem; margin: 2rem 0 0; font-size: 1.15rem; }
.content-grid { display: grid; grid-template-columns: minmax(180px, .45fr) minmax(0, 1.4fr); gap: clamp(2rem, 8vw, 8rem); }
.content-grid > * { margin: 0; }
.content-grid h2 { font-size: clamp(2rem, 4vw, 4rem); }
.content-grid h3 { margin-top: 2.5rem; }
.content-grid .content-body { max-width: 760px; }
.fact-table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
.fact-table th, .fact-table td { text-align: left; vertical-align: top; padding: 1rem 0; border-top: 1px solid var(--line); }
.fact-table th { width: 28%; padding-right: 2rem; font-size: .85rem; }
.status-tag { display: inline-block; padding: .15rem .5rem; border: 1px solid currentColor; font-size: .75rem; letter-spacing: .06em; }
.status-verified { color: #21653f; }
.status-pending { color: #8a4d16; }
.notice { border-left: 4px solid var(--blue); padding: 1rem 1.25rem; background: var(--white); }
.checklist { list-style: none; padding: 0; border-top: 1px solid var(--line); }
.checklist li { border-bottom: 1px solid var(--line); padding: 1rem 0 1rem 2rem; position: relative; }
.checklist li::before { content: "—"; position: absolute; left: 0; color: var(--blue-dark); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(3rem, 8vw, 8rem); }
.direct-contact { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.direct-contact a { font-size: 1.1rem; font-weight: 650; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem 1.5rem; }
.field { display: block; }
.field-wide, .consent-row, .form-actions, .form-status { grid-column: 1 / -1; }
.field-label { display: block; margin-bottom: .35rem; font-size: .875rem; font-weight: 650; }
.required { color: var(--blue-dark); font-size: .75rem; }
input, select, textarea { width: 100%; min-height: 48px; padding: .75rem .8rem; border: 1px solid #777b7e; border-radius: 0; background: var(--white); color: var(--ink); }
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--blue-dark); }
.consent-row { display: flex; align-items: flex-start; gap: .65rem; font-size: .875rem; }
.consent-row input { width: 1.2rem; min-height: 1.2rem; margin-top: .3rem; }
.honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(1px,1px,1px,1px) !important; white-space: nowrap !important; }
.form-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-actions button { min-height: 48px; border: 0; padding: .85rem 1.2rem; background: var(--ink); color: var(--white); font-weight: 650; cursor: pointer; }
.form-actions button:hover { background: var(--blue-dark); }
.form-note, .form-status { margin: 0; font-size: .875rem; color: var(--muted); }
.form-status:not(:empty) { padding: .8rem 1rem; border-left: 4px solid var(--blue); background: var(--white); color: var(--ink); }
@media (max-width: 900px) {
  .site-header { min-height: 72px; }
  .menu-toggle { display: inline-flex; }
  .global-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 1rem var(--gutter) 1.5rem; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta { border: 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; grid-template-columns: 1fr; align-items: start; }
  .constraint-map { max-width: none; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
  .split-intro, .fit-section, .evidence-callout, .content-grid, .contact-layout { grid-template-columns: 1fr; }
  .offer-grid { grid-template-columns: 1fr; }
  .process-list { margin-left: 0; }
  .site-footer { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .brand { width: 150px; }
  h1 { font-size: clamp(2.5rem, 11vw, 3.8rem); }
  h2 { font-size: clamp(2.25rem, 11vw, 3.8rem); }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .section-heading .kicker { margin: 0; }
  .contact-form { grid-template-columns: 1fr; }
  .field-wide, .consent-row, .form-actions, .form-status { grid-column: 1; }
  .site-footer { grid-template-columns: 1fr; }
  .fact-table th, .fact-table td { display: block; width: 100%; padding-right: 0; }
  .fact-table td { border-top: 0; padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Mobile hero lock: preserve intended two-line composition without horizontal clipping. */
.hero-copy h1 > span { display: block; white-space: nowrap; }
@media (max-width: 620px) {
  .hero-copy h1 { font-size: clamp(2.1rem, 9vw, 2.7rem); letter-spacing: -.06em; }
}

/* 2026-10-09 customer-first rebuild */
.hero-reframe { grid-template-columns: minmax(0, 1.55fr) minmax(260px, .45fr); }
.hero-reframe h1 { max-width: 12ch; font-size: clamp(3rem, 6.4vw, 6.6rem); }
.hero-reframe .constraint-map { align-self: end; }
.problem-section .section-heading, .beliefs-section .section-heading, .needs-section .section-heading { margin-bottom: clamp(3rem, 6vw, 5rem); }
.problem-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.problem-grid article { min-width: 0; padding: clamp(1.4rem, 3vw, 2.5rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.problem-grid span, .belief-list span, .concept-id { color: var(--blue-dark); font-size: .75rem; letter-spacing: .12em; font-weight: 700; }
.problem-grid h3 { margin: 4rem 0 1rem; font-size: 1.25rem; }
.problem-grid p { margin: 0; }
.section-note { max-width: var(--max); margin-top: 2rem; color: var(--muted); }
.belief-list { border-top: 1px solid var(--line); }
.belief-list article { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.belief-list h3 { margin: 0 0 .35rem; font-size: clamp(1.25rem, 2vw, 1.65rem); }
.belief-list p { margin: 0; color: var(--muted); max-width: 52rem; }
.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.quote-grid p { margin: 0; padding: clamp(1.5rem, 3.5vw, 3rem); background: var(--paper); font-size: clamp(1.15rem, 2vw, 1.55rem); line-height: 1.55; }
.decision-library-callout, .concept-note, .guide-index { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(2rem, 8vw, 8rem); align-items: start; }
.decision-library-callout > *, .concept-note > *, .guide-index > * { margin: 0; }
.decision-library-callout h2, .concept-note h2, .guide-index h2 { font-size: clamp(2.3rem, 4.8vw, 4.8rem); }
.topic-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.topic-links a { min-height: 48px; display: flex; align-items: center; padding: .8rem 1rem; border: 1px solid var(--line); text-decoration: none; background: var(--white); }
.topic-links a:hover { border-color: var(--blue-dark); }
.decision-module { display: grid; grid-template-columns: minmax(180px, .55fr) minmax(0, 1.45fr); gap: clamp(2rem, 8vw, 8rem); scroll-margin-top: 90px; }
.decision-module > * { margin: 0; }
.decision-module h2 { font-size: clamp(2.1rem, 4.2vw, 4.4rem); }
.decision-module .content-body { max-width: 760px; }
.decision-answer { margin-top: 0; padding: 1.25rem 1.4rem; background: var(--ink); color: var(--white); font-size: 1.1rem; }
.numbered-steps { counter-reset: steps; list-style: none; padding: 0; margin: 2rem 0; border-top: 1px solid var(--line); }
.numbered-steps li { counter-increment: steps; position: relative; padding: 1rem 0 1rem 3.2rem; border-bottom: 1px solid var(--line); }
.numbered-steps li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; color: var(--blue-dark); font-size: .8rem; font-weight: 700; }
.module-note { color: var(--muted); font-size: .9rem; }
.source-note { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 8vw, 8rem); }
.source-note > * { margin: 0; }
.source-note h2 { font-size: clamp(2rem, 4vw, 4rem); }
.concept-grid { display: grid; grid-template-columns: 1fr; gap: 0; padding-top: 0; }
.concept-card { max-width: var(--max); width: 100%; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: clamp(2rem, 6vw, 6rem); padding: clamp(3rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); align-items: center; }
.concept-card:first-child { border-top: 0; }
.concept-visual { min-height: 360px; background: var(--paper-deep); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.concept-visual svg { width: 100%; height: auto; max-height: 520px; }
.concept-visual svg text { fill: var(--ink); font: 700 18px -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; letter-spacing: .08em; }
.plan-boundary { fill: none; stroke: var(--ink); stroke-width: 2; }
.plan-wall { fill: var(--ink); stroke: var(--ink); stroke-width: 2; }
.plan-wall + text, .plan-wall ~ text { }
.plan-object { fill: var(--white); stroke: var(--ink); stroke-width: 2; }
.plan-person { fill: var(--blue); stroke: var(--ink); stroke-width: 2; }
.plan-aisle, .plan-line { fill: none; stroke: var(--muted); stroke-width: 2; stroke-dasharray: 8 8; }
.plan-flow { fill: none; stroke: var(--blue-dark); stroke-width: 5; stroke-linecap: round; }
.plan-screen { fill: var(--blue-dark); stroke: var(--ink); stroke-width: 2; }
.plan-note { fill: var(--white); stroke: var(--line); stroke-width: 2; }
.concept-copy h2 { margin: .7rem 0 1.3rem; font-size: clamp(2rem, 3.7vw, 3.8rem); }
.concept-copy > p:not(.concept-id) { font-size: 1.06rem; }
.concept-copy dl { margin: 2rem 0 0; border-top: 1px solid var(--line); }
.concept-copy dl div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.concept-copy dt { font-size: .8rem; font-weight: 700; color: var(--blue-dark); }
.concept-copy dd { margin: 0; }
.print-study, .uniform-study, .approval-study { padding: clamp(2rem, 5vw, 4rem); }
.paper-sheet { width: min(75%, 340px); min-height: 430px; padding: 2.2rem; background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; }
.paper-sheet span, .paper-sheet small { font-size: .75rem; letter-spacing: .12em; color: var(--blue-dark); }
.paper-sheet strong { margin-top: auto; font-size: 2rem; line-height: 1.05; }
.paper-sheet p { margin: 1rem 0; }
.paper-rule { height: 1px; background: var(--ink); margin: 1.2rem 0 auto; }
.uniform-study { gap: clamp(1rem, 3vw, 2.5rem); }
.person-icon { width: 150px; height: 230px; border: 2px solid var(--ink); border-radius: 80px 80px 16px 16px; position: relative; display: flex; align-items: flex-end; justify-content: center; padding: 1.2rem; background: var(--white); }
.person-icon::before { content: ""; position: absolute; top: -38px; width: 75px; height: 75px; border: 2px solid var(--ink); border-radius: 50%; background: var(--paper-deep); }
.person-icon span { font-size: .75rem; font-weight: 700; letter-spacing: .08em; }
.approval-sheet { width: min(90%, 520px); background: var(--white); border: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; }
.approval-sheet div { min-height: 150px; padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.approval-sheet div:nth-child(2n) { border-right: 0; }
.approval-sheet div:nth-last-child(-n+2) { border-bottom: 0; }
.approval-sheet span { color: var(--blue-dark); font-size: .75rem; letter-spacing: .12em; font-weight: 700; }
.approval-sheet p { margin: 3rem 0 0; font-size: 1.15rem; font-weight: 700; }

@media (max-width: 900px) {
  .hero-reframe, .decision-library-callout, .concept-note, .guide-index, .decision-module, .source-note, .concept-card { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .topic-links { grid-template-columns: 1fr 1fr; }
  .concept-card { padding-left: 0; padding-right: 0; }
}
@media (max-width: 620px) {
  .hero-reframe h1 { max-width: none; font-size: clamp(2.4rem, 10.5vw, 3.4rem); }
  .problem-grid, .quote-grid, .topic-links { grid-template-columns: 1fr; }
  .problem-grid h3 { margin-top: 2.2rem; }
  .belief-list article { grid-template-columns: 2.7rem 1fr; }
  .concept-visual { min-height: 280px; }
  .uniform-study { flex-wrap: wrap; }
  .person-icon { width: 90px; height: 150px; border-radius: 55px 55px 12px 12px; padding: .7rem; }
  .person-icon::before { top: -26px; width: 50px; height: 50px; }
  .concept-copy dl div { grid-template-columns: 5rem 1fr; }
}

/* Accessibility hardening */
main, [id] { scroll-margin-top: 6rem; }
.global-nav a, .nav-cta { min-height: 44px; display: inline-flex; align-items: center; }
@media (max-width: 900px) { .global-nav a { min-height: 48px; } }

/* 2026-10-09 production hero fit: preserve the message without clipping Japanese glyphs. */
.hero-reframe .hero-copy { max-width: 960px; }
.hero-reframe h1 { max-width: 15ch; font-size: clamp(3rem, 5.9vw, 5.9rem); }
@media (max-width: 620px) {
  .hero-reframe h1 { max-width: none; font-size: clamp(2.15rem, 9vw, 3rem); line-height: 1.08; }
}