:root {
  --navy: #0f2f57;
  --navy-2: #0e3a68;
  --ink: #1a2433;
  --muted: #536273;
  --muted-dark: #3f4f61;
  --lime: #bad600;
  --lime-dark: #8faa00;
  --lime-pale: #f5f8df;
  --blue-pale: #eef3f7;
  --mist: #f7f9fb;
  --line: #d8e1e9;
  --paper: #fff;
  --danger-pale: #f6eeee;
  --safe-pale: #edf4e8;
  --shadow: 0 16px 42px rgba(15, 47, 87, .08);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .025em;
  -webkit-font-smoothing: antialiased;
}
body, button, input, textarea { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea { color: inherit; }
:focus-visible { outline: 3px solid rgba(186, 214, 0, .8); outline-offset: 3px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 8px 12px; background: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.section { padding: 104px 0; }
.section--mist { background: var(--mist); }
.section--blue { background: var(--blue-pale); }
.section--navy { background: var(--navy); color: #fff; }
.section-head { max-width: 820px; margin: 0 0 46px; }
.section-head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 13px;
  color: var(--navy-2);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
}
.eyebrow::before { content: ""; width: 32px; height: 2px; background: var(--lime); }
.section--navy .eyebrow { color: #e2ebf4; }
.section--navy .eyebrow::before { background: var(--lime); }
h1, h2, h3 { margin-top: 0; line-height: 1.5; letter-spacing: .01em; }
h1 { margin-bottom: 24px; color: var(--navy); font-size: clamp(2.25rem, 4vw, 3.25rem); }
h2 { margin-bottom: 18px; color: var(--navy); font-size: clamp(1.72rem, 3.15vw, 2.55rem); }
h3 { margin-bottom: 10px; font-size: 1.12rem; }
p { margin-top: 0; }
.lead { color: var(--muted); font-size: clamp(1rem, 1.55vw, 1.17rem); }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy .lead { color: #dce5ee; }
.note { color: var(--muted); font-size: .84rem; }
.nowrap { white-space: nowrap; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(10px);
}
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 176px; height: auto; }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav > a { color: var(--ink); text-decoration: none; font-size: .82rem; font-weight: 700; white-space: nowrap; }
.nav > a:hover { color: var(--navy-2); text-decoration: underline; text-underline-offset: 5px; }
.nav > a.btn { color: #fff; }
.nav > a.btn:hover { color: #fff; text-decoration: none; }

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--navy-2);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  font-weight: 800;
  line-height: 1.45;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: #145487; transform: translateY(-1px); }
.btn--small { min-height: 44px; padding: 10px 19px; font-size: .82rem; }
.btn--outline { border-color: var(--navy-2); background: #fff; color: var(--navy-2); }
.btn--outline:hover { background: var(--blue-pale); }
.btn--light { border-color: rgba(255,255,255,.75); background: #fff; color: var(--navy); }
.btn-arrow { font-size: 1.15em; }

.hero { position: relative; overflow: hidden; padding: 86px 0 94px; background: linear-gradient(120deg, #fff 0%, #f6f8fa 62%, #eef3f7 100%); }
.hero::after { content: ""; position: absolute; right: -150px; bottom: -240px; width: 540px; height: 540px; border: 84px solid rgba(186,214,0,.11); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 68px; align-items: center; }
.hero-label { margin-bottom: 18px; color: var(--navy-2); font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
.hero-heading-line { display: block; white-space: nowrap; }
.hero-copy { max-width: 700px; color: var(--muted-dark); font-size: 1.05rem; }
.hero-risk { margin: 25px 0 0; padding: 18px 20px; border-left: 4px solid var(--lime); background: #fff; box-shadow: var(--shadow); color: var(--ink); font-size: .91rem; font-weight: 700; }
.hero-actions { display: flex; gap: 13px; margin: 30px 0 14px; flex-wrap: wrap; }
.hero-helper { color: var(--muted); font-size: .84rem; }
.hero-tags { display: flex; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; flex-wrap: wrap; }
.hero-tags li { padding: 5px 10px; border: 1px solid #cfd9e1; background: #fff; color: var(--muted-dark); font-size: .74rem; font-weight: 700; }
.system-card { padding: 30px; border-top: 5px solid var(--lime); background: var(--navy); color: #fff; box-shadow: var(--shadow); }
.system-card > strong { display: block; margin-bottom: 22px; color: #fff; font-size: .8rem; letter-spacing: .08em; }
.system-row { display: grid; grid-template-columns: 1fr 32px 1fr; gap: 6px; align-items: center; margin-bottom: 12px; }
.system-node { min-height: 58px; display: grid; place-items: center; padding: 10px; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.07); font-size: .79rem; font-weight: 700; text-align: center; line-height: 1.45; }
.system-node--pay { background: rgba(186,214,0,.13); color: #f2f7bd; }
.system-arrow { color: #d8e1e9; text-align: center; font-weight: 900; }
.system-status { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 21px; }
.system-status span { padding: 10px 5px; border-top: 2px solid var(--lime); background: rgba(255,255,255,.07); color: #e4ebf2; font-size: .7rem; text-align: center; }
.system-foot { margin: 18px 0 0; color: #e4ebf2; font-size: .8rem; text-align: center; }

.situation-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.situation { position: relative; min-height: 106px; padding: 22px 22px 20px 58px; border: 1px solid var(--line); background: #fff; }
.situation::before { content: "✓"; position: absolute; top: 22px; left: 23px; color: var(--lime-dark); font-weight: 900; }
.situation p { margin: 0; color: var(--muted-dark); font-size: .93rem; }
.situation-note { margin: 27px 0 0; padding: 20px 23px; border-left: 4px solid var(--lime); background: var(--lime-pale); color: var(--ink); font-weight: 700; }

.risk-intro { display: grid; grid-template-columns: .95fr 1.05fr; gap: 54px; align-items: end; margin-bottom: 39px; }
.risk-intro .section-head { margin: 0; }
.risk-intro-note { margin: 0; padding: 22px 24px; border: 1px solid rgba(255,255,255,.38); color: #eef4f9; }
.risk-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.risk-card { padding: 28px; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.06); }
.risk-number { display: inline-grid; width: 34px; height: 34px; margin-bottom: 17px; place-items: center; border: 1px solid var(--lime); color: #e5f278; font-size: .74rem; font-weight: 900; }
.risk-chain { display: grid; grid-template-columns: auto 18px auto 18px auto; gap: 6px; align-items: center; margin: 20px 0; }
.risk-pill { min-height: 60px; display: grid; place-items: center; padding: 8px; background: rgba(255,255,255,.11); color: #fff; font-size: .72rem; font-weight: 700; text-align: center; line-height: 1.45; }
.risk-pill--impact { background: rgba(126, 65, 69, .75); }
.risk-pill--design { background: rgba(98, 122, 62, .75); color: #fff; }
.risk-chevron { color: #d8e1e9; text-align: center; }
.risk-card > p { margin-bottom: 0; color: #e1e9f1; font-size: .88rem; }
.risk-card > .risk-reference { margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.2); color: #dce7f0; font-size: .76rem; }
.risk-reference a { color: #f1f7b7; font-weight: 800; text-underline-offset: 3px; }

.scope-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scope-card { padding: 27px 24px; border-top: 3px solid var(--navy-2); background: #fff; box-shadow: var(--shadow); }
.scope-no { display: block; margin-bottom: 15px; color: var(--navy-2); font-size: .74rem; font-weight: 800; }
.scope-card p { margin-bottom: 0; color: var(--muted-dark); font-size: .9rem; }
.neutral-band { display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start; margin-top: 29px; padding: 24px; border: 1px solid #cad7e2; background: #fff; }
.neutral-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: var(--navy-2); color: #fff; font-weight: 900; }
.neutral-band strong { display: block; margin-bottom: 4px; color: var(--navy); }
.neutral-band p { margin: 0; color: var(--muted-dark); font-size: .92rem; }

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.case-card { position: relative; padding: 30px; border: 1px solid var(--line); background: #fff; }
.case-card::after { content: ""; position: absolute; top: 0; right: 0; width: 54px; height: 4px; background: var(--lime); }
.case-card--wide { grid-column: 1 / -1; display: grid; grid-template-columns: .72fr 1.28fr; gap: 34px; }
.case-type { display: block; margin-bottom: 11px; color: var(--navy-2); font-size: .74rem; font-weight: 800; }
.case-card h3 { color: var(--navy); font-size: 1.18rem; }
.case-tech { margin-bottom: 12px; color: var(--navy-2); font-size: .8rem; font-weight: 800; }
.case-card p:last-child { margin-bottom: 0; color: var(--muted-dark); font-size: .89rem; }
.case-note { margin: 22px 0 0; padding: 16px 19px; border-left: 4px solid var(--lime); background: var(--lime-pale); color: var(--ink); font-size: .88rem; font-weight: 700; }
.case-footer { display: flex; justify-content: center; margin-top: 33px; }

.profile-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: stretch; }
.profile-photo-wrap { position: relative; min-height: 420px; background: var(--blue-pale); }
.profile-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; }
.profile-copy-wrap { display: flex; flex-direction: column; justify-content: center; padding: 12px 0; }
.profile-company { margin-bottom: 7px; color: var(--navy-2); font-size: .77rem; font-weight: 800; letter-spacing: .1em; }
.profile-name { margin-bottom: 8px; color: var(--navy); font-size: clamp(1.8rem, 3vw, 2.35rem); }
.profile-role { margin-bottom: 22px; color: var(--muted); font-size: .88rem; font-weight: 700; }
.profile-copy { color: var(--muted-dark); }
.profile-history { margin: 4px 0 0; padding: 18px 20px; border-left: 4px solid var(--lime); background: var(--mist); color: var(--muted-dark); font-size: .86rem; }
.profile-stack { margin: 18px 0 0; color: var(--navy-2); font-size: .8rem; font-weight: 800; }
.profile-link { display: inline-block; margin-top: 19px; color: var(--navy-2); font-weight: 800; text-underline-offset: 5px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 38px; }
.trust-item { padding: 23px 20px; border: 1px solid var(--line); background: #fff; }
.trust-no { display: block; margin-bottom: 12px; color: var(--lime-dark); font-size: .76rem; font-weight: 900; }
.trust-item h3 { color: var(--navy); font-size: .98rem; }
.trust-item p { margin: 0; color: var(--muted-dark); font-size: .82rem; }

.process-layout { display: grid; grid-template-columns: 1.03fr .97fr; gap: 54px; align-items: start; }
.steps { counter-reset: step; }
.step { position: relative; padding: 2px 0 28px 64px; counter-increment: step; }
.step:not(:last-child)::before { content: ""; position: absolute; top: 43px; bottom: 3px; left: 21px; width: 1px; background: #c5d1dc; }
.step::after { content: counter(step, decimal-leading-zero); position: absolute; top: 0; left: 0; display: grid; width: 43px; height: 43px; place-items: center; border-radius: 50%; background: var(--navy-2); color: #fff; font-size: .72rem; font-weight: 900; }
.step h3 { margin-bottom: 4px; color: var(--navy); }
.step p { margin: 0; color: var(--muted-dark); font-size: .85rem; }
.estimate-box { padding: 33px; border-top: 5px solid var(--lime); background: #fff; box-shadow: var(--shadow); }
.estimate-box h3 { color: var(--navy); font-size: 1.4rem; }
.estimate-box > p { color: var(--muted-dark); }
.factor-list { margin: 21px 0 0; padding: 0; list-style: none; }
.factor-list li { position: relative; padding: 11px 0 11px 23px; border-bottom: 1px solid var(--line); color: var(--muted-dark); font-size: .84rem; }
.factor-list li::before { content: "—"; position: absolute; left: 0; color: var(--navy-2); font-weight: 900; }
.estimate-note { margin: 21px 0 0; padding: 15px 17px; border-left: 3px solid var(--navy-2); background: var(--blue-pale); color: var(--ink); font-size: .82rem; }

.survey-callout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 40px; margin-top: 56px; padding: 38px; border: 1px solid #cad7e2; border-left: 5px solid var(--navy-2); background: var(--mist); color: var(--ink); }
.survey-price { padding-right: 34px; border-right: 1px solid var(--line); }
.survey-label { display: block; color: var(--muted); font-size: .76rem; font-weight: 800; }
.survey-price strong { display: block; margin: 9px 0 8px; color: var(--navy); font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.35; letter-spacing: .01em; }
.survey-price span:last-child { color: var(--muted-dark); font-size: .8rem; }
.survey-copy h3 { color: var(--navy); font-size: 1.36rem; }
.survey-copy p { color: var(--muted-dark); }
.survey-fee { margin: 18px 0 6px; padding: 13px 15px; background: #fff; color: var(--ink) !important; font-size: .84rem; font-weight: 800; }
.survey-note { margin: 0 0 20px; font-size: .8rem; }
.survey-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 21px 0; }
.survey-points span { padding: 10px; border-top: 2px solid var(--lime); background: #fff; color: var(--muted-dark); font-size: .72rem; font-weight: 700; text-align: center; }

.faq { max-width: 900px; margin-inline: auto; }
details { border-bottom: 1px solid var(--line); background: #fff; }
summary { position: relative; padding: 23px 52px 23px 8px; cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; top: 16px; right: 10px; color: var(--navy-2); font-size: 1.55rem; font-weight: 500; }
details[open] summary::after { content: "−"; }
details p { padding: 0 50px 23px 39px; margin: 0; color: var(--muted-dark); font-size: .9rem; }
.q { margin-right: 10px; color: var(--navy-2); }

.contact-section { background: var(--blue-pale); }
.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 54px; align-items: start; }
.contact-intro { position: sticky; top: 100px; }
.contact-intro p { color: var(--muted-dark); }
.contact-notes { margin: 24px 0 0; padding: 0; list-style: none; }
.contact-notes li { position: relative; padding: 8px 0 8px 28px; color: var(--ink); font-size: .88rem; }
.contact-notes li::before { content: "✓"; position: absolute; left: 0; color: var(--lime-dark); font-weight: 900; }
.contact-form { padding: 34px; border-top: 5px solid var(--lime); background: #fff; box-shadow: var(--shadow); }
.contact-form fieldset { margin: 0; padding: 0; border: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 19px 18px; }
.field--wide { grid-column: 1 / -1; }
.field label, .field-label { display: block; margin-bottom: 6px; color: var(--navy); font-size: .84rem; font-weight: 800; }
.required { margin-left: 5px; color: #7d3540; font-size: .73rem; }
.field input, .field textarea { width: 100%; border: 1px solid #aebdca; border-radius: 0; background: #fff; padding: 12px 13px; }
.field input { min-height: 49px; }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--navy-2); outline: 3px solid rgba(14,58,104,.12); }
.field input::placeholder, .field textarea::placeholder { color: #6c7885; opacity: 1; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 21px 0; color: var(--muted-dark); font-size: .82rem; }
.consent input { width: 19px; height: 19px; margin-top: 5px; accent-color: var(--navy-2); flex: 0 0 auto; }
.consent a { color: var(--navy-2); font-weight: 700; text-underline-offset: 4px; }
.submit-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.submit-row .btn { border: 0; }
.form-helper { margin: 0; color: var(--muted); font-size: .78rem; }
[data-form-status] { min-height: 1.85em; margin: 15px 0 0; color: var(--ink); font-size: .87rem; }

.footer { padding: 48px 0 92px; background: #0a2440; color: #fff; }
.footer-inner { display: flex; justify-content: space-between; gap: 35px; align-items: flex-start; }
.footer-brand img { width: 220px; height: auto; }
.footer-brand small { display: block; margin-top: 12px; color: #d4dee7; font-size: .76rem; }
.footer-links { display: flex; gap: 10px 21px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a { color: #dce5ed; font-size: .78rem; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.copyright { margin: 29px 0 0; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.16); color: #c8d3dd; font-size: .73rem; }
.mobile-cta { display: none; position: fixed; z-index: 200; left: 0; right: 0; bottom: 0; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255,255,255,.98); }
.mobile-cta .btn { width: 100%; min-height: 48px; }

@media (max-width: 980px) {
  .nav > a:not(.btn) { display: none; }
  .hero-grid, .risk-intro, .profile-layout, .process-layout, .contact-layout { grid-template-columns: 1fr; }
  .hero-grid { gap: 46px; }
  .system-card { max-width: 680px; }
  .risk-intro { gap: 24px; }
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-intro { position: static; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 70px; }
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); font-size: 15px; }
  .container { width: min(calc(100% - 32px), var(--max)); }
  .section { padding: 72px 0; }
  .header-inner { min-height: 65px; }
  .brand img { width: 145px; }
  .nav .btn { min-height: 40px; padding: 8px 14px; font-size: .76rem; }
  .hero { padding: 62px 0 70px; }
  .hero-grid { gap: 38px; }
  h1 { font-size: clamp(2rem, 10vw, 2.85rem); word-break: auto-phrase; }
  .hero-heading-line { white-space: normal; }
  h2 { font-size: clamp(1.62rem, 7.5vw, 2.1rem); word-break: auto-phrase; }
  .hero-actions .btn { width: 100%; }
  .hero-tags { gap: 6px; }
  .system-card { padding: 23px 18px; }
  .system-row { grid-template-columns: 1fr 22px 1fr; }
  .system-status { grid-template-columns: 1fr; }
  .situation-grid, .risk-grid, .scope-grid, .case-grid, .trust-grid, .form-grid { grid-template-columns: 1fr; }
  .risk-card { padding: 23px 18px; }
  .risk-chain { grid-template-columns: 1fr; }
  .risk-chevron { transform: rotate(90deg); }
  .field--wide, .case-card--wide { grid-column: auto; }
  .case-card--wide { display: block; }
  .profile-photo-wrap { min-height: 340px; }
  .survey-callout { grid-template-columns: 1fr; gap: 27px; padding: 30px 23px; }
  .survey-price { padding: 0 0 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .survey-points { grid-template-columns: 1fr; }
  .contact-form { padding: 27px 20px; }
  .footer-inner { display: grid; }
  .footer-links { justify-content: flex-start; }
  .mobile-cta { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}