:root {
  --paper: #f4f0e8;
  --paper-light: #fbf9f4;
  --ink: #121c2b;
  --navy: #0a2447;
  --blue: #0d4e98;
  --blue-soft: #e8eff7;
  --gold: #a87820;
  --gold-text: #76510f;
  --gold-soft: #efe3cc;
  --muted: #5a6471;
  --line: #bdc7d1;
  --line-dark: #8294a6;
  --white: #fff;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.wrap { width: min(calc(100% - 72px), var(--content)); margin-inline: auto; }
.mono { font-family: "IBM Plex Mono", monospace; }
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 100;
  padding: 10px 14px; background: var(--navy); color: var(--white);
}
.skip-link:focus { top: 16px; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(10, 36, 71, .18);
  background: rgba(244, 240, 232, .96);
  backdrop-filter: blur(14px);
}
.nav { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { color: var(--navy); font-size: 22px; font-weight: 600; letter-spacing: .24em; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
.nav-links > a:not(.nav-cta) { padding: 30px 0; }
.nav-cta, .button {
  min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 1px solid var(--navy); padding: 0 22px; font-weight: 700;
}
.nav-cta, .button-primary { background: var(--navy); color: var(--white); }
.nav-cta-short { display: none; }
.button-secondary { color: var(--navy); background: transparent; }
.nav-cta:hover, .button-primary:hover { background: #163b67; }
.button-secondary:hover { background: var(--blue-soft); }

.page-hero { padding: 96px 0 82px; background: var(--paper-light); border-bottom: 1px solid var(--gold); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 72px; align-items: center; }
.hero-grid > * { min-width: 0; }
.offer-hero-grid { align-items: start; }
.eyebrow, .section-kicker { color: var(--gold-text); font: 700 12px "IBM Plex Mono", monospace; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 24px 0; font-size: clamp(42px, 5vw, 68px); line-height: 1.3; letter-spacing: -.05em; }
.lead { margin: 0; color: #3e4956; font-size: 17px; line-height: 2; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.plain-examples { display: grid; gap: 12px; padding: 28px; border: 1px solid var(--line-dark); background: var(--white); }
.plain-examples h2 { margin: 0 0 4px; font-size: 18px; }
.plain-examples p { margin: 0; padding: 12px 0 12px 34px; border-top: 1px solid var(--line); color: var(--muted); position: relative; }
.plain-examples p::before { content: "✓"; position: absolute; left: 4px; color: var(--blue); font-weight: 700; }

.section { padding: 92px 0; }
.section-alt { background: var(--paper-light); border-block: 1px solid var(--line); }
.section-header { display: grid; grid-template-columns: 410px 1fr; gap: 60px; margin-bottom: 44px; }
.section-header h2, .profile-copy h2 { margin: 12px 0 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.35; letter-spacing: -.04em; }
.section-header p, .profile-copy p { margin: 16px 0 0; color: var(--muted); line-height: 2; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.recognition-grid { max-width: 920px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { min-height: 280px; padding: 30px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: var(--paper-light); }
.card .num { color: var(--gold-text); font: 500 12px "IBM Plex Mono", monospace; }
.card h2, .card h3 { margin: 30px 0 12px; font-size: 22px; line-height: 1.5; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card a { display: inline-flex; margin-top: 24px; color: var(--blue); font-weight: 700; }
.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.route-card { min-height: 310px; padding: 32px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: var(--paper-light); display: flex; flex-direction: column; }
.route-card .num { color: var(--gold-text); font: 500 12px "IBM Plex Mono", monospace; letter-spacing: .08em; }
.route-card h2, .route-card h3 { margin: 28px 0 12px; font-size: 22px; line-height: 1.5; }
.route-card p { margin: 0; color: var(--muted); font-size: 14px; }
.route-card a { display: inline-flex; align-items: center; min-height: 44px; margin-top: auto; padding-top: 24px; color: var(--blue); font-weight: 700; }
.route-note { margin: 20px 0 0; color: var(--muted); font-size: 13px; }

.offer-panel { border: 1px solid var(--line-dark); background: var(--white); padding: 32px; }
.offer-panel, .offer-output { overflow-wrap: anywhere; }
.offer-panel .section-kicker { display: block; margin-bottom: 12px; }
.offer-price { margin: 0 0 8px; color: var(--navy); font-size: clamp(34px, 5vw, 54px); font-weight: 700; letter-spacing: -.04em; }
.offer-price small { margin-left: 8px; color: var(--muted); font-size: 14px; font-weight: 500; letter-spacing: 0; }
.offer-meta { margin: 0; color: var(--muted); font-size: 13px; }
.offer-output { margin: 18px 0 0; padding: 14px 16px; border-left: 3px solid var(--gold); background: var(--gold-soft); color: var(--ink); font-size: 13px; line-height: 1.75; }
.offer-output strong { display: block; margin-bottom: 4px; color: var(--gold-text); font-size: 11px; letter-spacing: .08em; }
.offer-exclusion { display: block; margin-top: 10px; padding-top: 10px; border-top: 1px solid rgba(118,81,15,.28); color: #4f4432; font-size: 12px; font-weight: 600; }
.offer-trust { margin: 8px 0 0; font-size: 12px; }
.offer-trust a { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.offer-artifact { margin: 24px 0 0; border: 1px solid var(--line); background: var(--paper); }
.offer-artifact img { width: 100%; height: 290px; display: block; object-fit: cover; object-position: center 20%; }
.offer-artifact figcaption { padding: 10px 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.65; }
.offer-artifact a { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.offer-panel .button { width: 100%; margin-top: 24px; }
.offer-reassurance { margin: 14px 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.deliverable-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line-dark); }
.deliverable { padding: 26px; background: var(--paper-light); }
.deliverable + .deliverable { border-left: 1px solid var(--line-dark); }
.deliverable .num { color: var(--gold-text); font: 500 12px "IBM Plex Mono", monospace; }
.deliverable h3 { margin: 18px 0 8px; font-size: 19px; }
.deliverable p { margin: 0; color: var(--muted); font-size: 14px; }
.fit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fit-box { padding: 26px; border: 1px solid var(--line-dark); background: var(--paper-light); }
.fit-box h3 { margin: 0 0 14px; font-size: 19px; }
.fit-box ul { margin: 0; padding-left: 1.25em; color: var(--muted); font-size: 14px; }
.fit-box li + li { margin-top: 8px; }
.notice { margin-top: 24px; padding: 18px 20px; border-left: 4px solid var(--gold); background: var(--gold-soft); color: #3f382d; font-size: 13px; }
.corporate-contact-main { min-height: calc(100svh - 88px); padding: 72px 0; background: var(--paper-light); }
.corporate-contact-grid { display: grid; grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr); gap: 64px; align-items: start; }
.corporate-contact-copy h1 { margin-bottom: 20px; font-size: clamp(38px, 4.5vw, 58px); }
.corporate-contact-copy p { margin: 0; color: var(--muted); }
.corporate-contact-points { display: grid; gap: 10px; margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.corporate-contact-points p { color: var(--ink); font-size: 14px; }
.corporate-inquiry-form { display: grid; gap: 16px; padding: 32px; border: 1px solid var(--line-dark); background: var(--white); }
.corporate-inquiry-form h2 { margin: 0; color: var(--navy); font-size: 26px; line-height: 1.5; }
.corporate-inquiry-form > p { margin: 0; color: var(--muted); font-size: 13px; }
.corporate-inquiry-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.corporate-inquiry-form label { display: grid; gap: 6px; color: var(--ink); font-size: 13px; font-weight: 700; }
.corporate-inquiry-form label span { color: var(--gold-text); font-size: 10px; }
.corporate-inquiry-form label span.opt { color: var(--muted); font-weight: 400; }
.corporate-inquiry-form input, .corporate-inquiry-form textarea, .corporate-inquiry-form select { width: 100%; padding: 13px 14px; border: 1px solid var(--line-dark); border-radius: 0; background: var(--paper-light); color: var(--ink); font: inherit; }
.corporate-inquiry-form input:focus, .corporate-inquiry-form textarea:focus, .corporate-inquiry-form select:focus { outline: 3px solid var(--blue); outline-offset: 2px; }
.corporate-inquiry-form .button { width: 100%; cursor: pointer; }
.corporate-inquiry-form .button:disabled { cursor: wait; opacity: .65; }
.corporate-inquiry-status { min-height: 1.5em; margin: 0; font-size: 13px; }
.corporate-inquiry-status.ok { color: #17623c; }
.corporate-inquiry-status.err { color: #a12d25; }
.corporate-inquiry-alt { font-size: 12px !important; }
.corporate-inquiry-alt a { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.inq-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.faq-list { border-top: 1px solid var(--line-dark); }
.faq-list details { border-bottom: 1px solid var(--line-dark); background: var(--paper-light); }
.faq-list summary { min-height: 56px; padding: 18px 52px 18px 18px; cursor: pointer; font-weight: 700; position: relative; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 20px; color: var(--gold); font-size: 22px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: 0; padding: 0 18px 20px; color: var(--muted); font-size: 14px; }

.profile-grid { display: grid; grid-template-columns: minmax(280px, .62fr) minmax(0, 1.38fr); gap: 72px; align-items: start; }
.profile-summary { min-height: 410px; display: flex; flex-direction: column; padding: 34px; border: 1px solid var(--line-dark); background: var(--gold-soft); }
.profile-summary-index { color: var(--gold-text); font: 700 11px "IBM Plex Mono", monospace; letter-spacing: .12em; }
.profile-summary-name { margin: auto 0 24px; color: var(--navy); font-family: "Shippori Mincho", "Noto Serif JP", serif; font-size: clamp(48px, 6vw, 72px); line-height: 1.25; letter-spacing: .08em; }
.profile-summary dl { margin: 0; border-top: 1px solid var(--line-dark); }
.profile-summary dl div { display: grid; grid-template-columns: 72px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.profile-summary dt { color: var(--gold-text); font: 700 10px "IBM Plex Mono", monospace; letter-spacing: .08em; }
.profile-summary dd { margin: 0; color: var(--ink); font-size: 13px; line-height: 1.6; }
.profile-summary a { align-self: flex-start; margin-top: 22px; border-bottom: 1px solid var(--blue); color: var(--blue); font-size: 13px; font-weight: 700; }
.profile-role { color: var(--blue); font-weight: 700; }
.fact-list { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; border: 1px solid var(--line-dark); }
.fact { padding: 22px; }
.fact + .fact { border-left: 1px solid var(--line-dark); }
.fact strong { display: block; color: var(--navy); font-size: 15px; }
.fact span { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }

.process { display: grid; gap: 0; border: 1px solid var(--line-dark); }
.process-step { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 26px; background: var(--paper-light); }
.process-step + .process-step { border-top: 1px solid var(--line); }
.process-step .num { color: var(--gold-text); font: 500 14px "IBM Plex Mono", monospace; }
.process-step h3 { margin: 0 0 6px; font-size: 20px; }
.process-step p { margin: 0; color: var(--muted); }

.cta-band { padding: 72px 0; background: #071a34; color: var(--white); }
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta-grid h2 { margin: 8px 0 10px; font-size: clamp(30px, 4vw, 46px); line-height: 1.35; }
.cta-grid p { margin: 0; color: rgba(255,255,255,.7); }
.cta-band .section-kicker { color: #d6b46f; }
.cta-band .button-primary { border-color: var(--white); background: var(--white); color: var(--navy); white-space: nowrap; }

.footer { padding: 32px 0; border-top: 1px solid rgba(255,255,255,.14); background: #071a34; color: rgba(255,255,255,.62); font-size: 12px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .profile-grid, .section-header, .corporate-contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .card-grid, .route-grid, .deliverable-grid { grid-template-columns: 1fr; }
  .deliverable + .deliverable { border-left: 0; border-top: 1px solid var(--line-dark); }
  .fact-list { grid-template-columns: 1fr; }
  .fact + .fact { border-left: 0; border-top: 1px solid var(--line-dark); }
  .nav-links > a:not(.nav-cta) { display: none; }
}
@media (max-width: 620px) {
  .wrap { width: min(calc(100% - 36px), var(--content)); }
  .nav { min-height: 72px; gap: 14px; }
  .wordmark { font-size: 17px; letter-spacing: .18em; }
  .nav-cta { min-height: 44px; padding: 0 14px; font-size: 12px; }
  .nav-cta-long { display: none; }
  .nav-cta-short { display: inline; }
  .page-hero { padding: 58px 0 52px; }
  h1 { font-size: 38px; }
  .lead { font-size: 15px; }
  .actions, .actions .button { width: 100%; }
  .actions .button, .offer-panel .button { height: auto; min-height: 52px; padding-block: 12px; line-height: 1.5; text-align: center; }
  .section { padding: 68px 0; }
  .section-header h2, .profile-copy h2 { font-size: 34px; }
  .cta-grid { display: grid; }
  .cta-grid .button { width: 100%; }
  .process-step { grid-template-columns: 52px 1fr; gap: 12px; padding: 20px 16px; }
  .fit-list { grid-template-columns: 1fr; }
  .offer-panel { padding: 24px 20px; }
  .corporate-contact-main { padding: 28px 0 52px; }
  .corporate-inquiry-form { order: -1; padding: 24px 20px; }
  .corporate-inquiry-form .form-row { grid-template-columns: 1fr; }
  .corporate-contact-copy h1 { font-size: 34px; }
  .offer-artifact img { height: 250px; }
  .profile-summary { min-height: 340px; padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}