:root {
  --ink: #102231;
  --ink-soft: #455968;
  --navy: #071c2c;
  --navy-2: #0c3047;
  --teal: #0f8f8a;
  --teal-light: #dff4f1;
  --blue: #2358d0;
  --amber: #e6a21a;
  --paper: #ffffff;
  --wash: #f3f7f8;
  --line: #cfdae0;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: inherit; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 9px 14px; color: #fff; background: var(--blue); }
.skip-link:focus { left: 8px; }

.hero {
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 83% 18%, rgb(40 173 165 / 28%), transparent 29%),
    linear-gradient(135deg, var(--navy) 0%, #09283d 58%, #0b3a50 100%);
}
.topbar, .hero-grid, .status-row, main, footer { max-width: var(--max); margin-inline: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; border-bottom: 1px solid rgb(255 255 255 / 17%); }
.brand { font-size: 1.1rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; }
.top-links { display: flex; gap: 24px; font-size: .86rem; }
.top-links a { color: #d9e7ec; text-decoration: none; }
.top-links a:hover { color: #fff; text-decoration: underline; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .75fr); gap: 64px; align-items: center; padding: 74px 28px 62px; }
.eyebrow, .kicker { margin: 0 0 12px; color: #66d8d0; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.55rem, 6vw, 5rem); line-height: 1.12; letter-spacing: -.04em; }
.lead { max-width: 730px; margin: 25px 0 0; color: #d9e7ec; font-size: clamp(1.03rem, 2vw, 1.2rem); line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 10px 18px; color: #fff; background: transparent; border: 1px solid rgb(255 255 255 / 55%); border-radius: 6px; font: inherit; font-size: .9rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.button:hover { border-color: #fff; background: rgb(255 255 255 / 10%); }
.button.primary { color: var(--navy); background: #fff; border-color: #fff; }
.hero-summary { padding: 28px; background: rgb(255 255 255 / 9%); border: 1px solid rgb(255 255 255 / 20%); border-top: 4px solid #49c8c0; border-radius: 10px; backdrop-filter: blur(8px); }
.summary-label { margin: 0 0 16px; font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
.check-list { padding: 0; margin: 0; list-style: none; }
.check-list li { position: relative; padding: 8px 0 8px 28px; border-bottom: 1px solid rgb(255 255 255 / 12%); }
.check-list li:last-child { border-bottom: 0; }
.check-list li::before { position: absolute; left: 0; content: "✓"; color: #66d8d0; font-weight: 900; }
.status-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgb(255 255 255 / 17%); }
.status-row span { padding: 15px 20px; color: #d9e7ec; border-right: 1px solid rgb(255 255 255 / 17%); text-align: center; font-size: .76rem; font-weight: 700; }
.status-row span:last-child { border-right: 0; }

main { padding: 0 28px 100px; }
.boundary { display: grid; grid-template-columns: 50px 1fr; gap: 18px; margin: 34px 0 0; padding: 22px 26px; background: #fff9e8; border: 1px solid #ead49e; border-left: 5px solid var(--amber); }
.boundary-mark { display: grid; width: 42px; height: 42px; place-items: center; color: #fff; background: #bd7b00; border-radius: 50%; font-weight: 900; }
.boundary h2 { margin: 0 0 5px; font-size: 1.1rem; }
.boundary p { margin: 0; color: #4d432e; }
.section { padding: 94px 0 12px; }
.section-heading { max-width: 820px; margin-bottom: 36px; }
.section-heading .kicker { color: var(--teal); }
.section-heading h2, .final-cta h2 { margin: 0 0 14px; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.3; letter-spacing: -.025em; }
.section-heading p:last-child { margin: 0; color: var(--ink-soft); font-size: 1.04rem; }
.value-grid, .role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { min-height: 230px; padding: 28px; background: var(--wash); border-top: 4px solid var(--teal); }
.card-number { color: var(--teal); font-size: .8rem; font-weight: 800; }
.value-card h3 { margin: 36px 0 8px; font-size: 1.22rem; }
.value-card p { margin: 0; color: var(--ink-soft); }

.roles-section { position: relative; }
.role-card { padding: 28px 28px 24px; border: 1px solid var(--line); border-radius: 8px; }
.role-card.developer { border-top: 5px solid var(--teal); }
.role-card.client { border-top: 5px solid var(--blue); }
.role-card.third-party { border-top: 5px solid var(--amber); }
.role-label { margin: 0; color: var(--ink-soft); font-size: .75rem; font-weight: 800; letter-spacing: .09em; }
.role-card h3 { min-height: 60px; margin: 11px 0 19px; font-size: 1.16rem; line-height: 1.55; }
.role-card ul, .scope-grid ul, .questions ul { padding-left: 20px; margin: 0; }
.role-card li, .scope-grid li, .questions li { margin-bottom: 8px; }

.process { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.process li { display: grid; grid-template-columns: 52px minmax(0, 1fr) 74px; gap: 18px; align-items: start; padding: 25px 8px; border-bottom: 1px solid var(--line); }
.step { display: grid; width: 42px; height: 42px; place-items: center; color: #fff; background: var(--navy); border-radius: 50%; font-size: .86rem; font-weight: 800; }
.process h3 { margin: 0 0 5px; font-size: 1.08rem; }
.process p { margin: 0; color: var(--ink-soft); }
.owner { justify-self: end; padding: 4px 8px; color: #5f4c12; background: #fff2c8; border-radius: 99px; font-size: .7rem; font-weight: 800; white-space: nowrap; }
.developer-owner { color: #076761; background: var(--teal-light); }
.client-owner { color: #173f9b; background: #e7edff; }
.third-owner { color: #6d4a00; background: #ffedc6; }

.deliverables, .talk-track { position: relative; left: 50%; width: 100vw; margin-left: -50vw; padding: 90px max(28px, calc((100vw - var(--max)) / 2 + 28px)); color: #fff; background: var(--navy); }
.section-heading.light p, .section-heading.light .kicker { color: #79d7d0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 15px 13px; border: 1px solid rgb(255 255 255 / 18%); text-align: left; vertical-align: top; }
th { color: #8de2dc; background: rgb(255 255 255 / 7%); font-size: .77rem; letter-spacing: .03em; }
td:first-child { white-space: nowrap; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; }
.caption { margin: 16px 0 0; color: #b8cad2; font-size: .82rem; }

.handoff-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 24px; }
.handoff-list { border-top: 1px solid var(--line); }
.handoff-list > div { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px 4px; border-bottom: 1px solid var(--line); }
.handoff-list span { color: var(--teal); font-size: .8rem; font-weight: 900; }
.handoff-list p { margin: 0; color: var(--ink-soft); }
.handoff-list strong { display: block; color: var(--ink); }
.handoff-loop { padding: 26px; color: #fff; background: var(--navy-2); border-radius: 8px; }
.loop-title { margin: 0 0 18px; font-weight: 800; }
.handoff-loop ol { padding: 0; margin: 0; list-style: none; counter-reset: loop; }
.handoff-loop li { position: relative; padding: 0 0 22px 34px; counter-increment: loop; }
.handoff-loop li::before { position: absolute; left: 0; top: 1px; display: grid; width: 22px; height: 22px; place-items: center; content: counter(loop); color: var(--navy); background: #70d6cf; border-radius: 50%; font-size: .7rem; font-weight: 900; }
.handoff-loop li:not(:last-child)::after { position: absolute; left: 10px; top: 25px; width: 2px; height: 21px; content: ""; background: rgb(112 214 207 / 42%); }
.handoff-loop span { display: block; font-weight: 800; }
.handoff-loop small { color: #bed1d8; }

.scope-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.scope-grid article { padding: 27px; border: 1px solid var(--line); }
.scope-label { margin: 0 0 18px; font-weight: 800; }
.scope-label.included { color: var(--teal); }
.scope-label.separate { color: #966400; }
.check-list.dark li { border-bottom-color: var(--line); }
.check-list.dark li::before { color: var(--teal); }
.note { margin-top: 20px; padding: 22px 26px; background: var(--wash); border-left: 4px solid var(--blue); }
.note p { margin: 4px 0 0; color: var(--ink-soft); }

.talk-track { margin-top: 82px; }
.script-card { display: grid; grid-template-columns: 190px 1fr; gap: 25px; padding: 25px 0; border-top: 1px solid rgb(255 255 255 / 20%); }
.script-card:last-child { border-bottom: 1px solid rgb(255 255 255 / 20%); }
.script-label { margin: 0; color: #75d5ce; font-size: .8rem; font-weight: 800; }
blockquote { margin: 0; color: #e6eff2; font-size: 1.02rem; }

.meeting-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 36px; }
.number-list { padding: 0; margin: 0; list-style: none; }
.number-list li { display: grid; grid-template-columns: 38px 1fr; gap: 16px; margin-bottom: 20px; }
.number-list li > span { display: grid; width: 34px; height: 34px; place-items: center; color: #fff; background: var(--teal); border-radius: 4px; font-size: .8rem; font-weight: 800; }
.number-list strong { font-size: 1.03rem; }
.number-list p { margin: 2px 0 0; color: var(--ink-soft); }
.questions { padding: 27px; background: var(--wash); border-top: 4px solid var(--blue); }
.questions h3 { margin: 0 0 18px; font-size: 1.08rem; }

.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 19px 5px; font-weight: 800; cursor: pointer; }
details p { max-width: 900px; margin: -3px 5px 20px; color: var(--ink-soft); }
.final-cta { margin-top: 100px; padding: 58px; color: #fff; background: linear-gradient(135deg, #0b817c, #0a4f64); border-radius: 10px; }
.final-cta .kicker { color: #b9f3ee; }
.final-cta p:not(.kicker) { max-width: 760px; color: #e3f1f2; }
.dark-button { color: #fff; }

footer { display: flex; justify-content: space-between; gap: 30px; padding: 28px; color: var(--ink-soft); border-top: 1px solid var(--line); font-size: .78rem; }
footer div { display: flex; gap: 12px; }
footer p { max-width: 680px; margin: 0; text-align: right; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; padding-top: 52px; }
  .hero-summary { max-width: 650px; }
  .value-grid, .role-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 0; }
  .value-card h3 { margin-top: 18px; }
  .role-card h3 { min-height: 0; }
  .handoff-grid, .meeting-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .topbar { align-items: flex-start; padding: 18px 20px; }
  .top-links { display: none; }
  .hero-grid { padding: 45px 20px 42px; }
  h1 { font-size: clamp(2.35rem, 12vw, 3.6rem); }
  .status-row { grid-template-columns: 1fr 1fr; }
  .status-row span:nth-child(2) { border-right: 0; }
  .status-row span:nth-child(-n+2) { border-bottom: 1px solid rgb(255 255 255 / 17%); }
  main { padding-inline: 20px; }
  .boundary { grid-template-columns: 1fr; padding: 20px; }
  .section { padding-top: 70px; }
  .process li { grid-template-columns: 42px 1fr; gap: 13px; }
  .owner { grid-column: 2; justify-self: start; }
  .deliverables, .talk-track { padding-inline: 20px; }
  .deliverables table, .deliverables tbody, .deliverables tr, .deliverables td { display: block; width: 100%; }
  .deliverables thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
  .deliverables tbody { display: grid; gap: 14px; }
  .deliverables tr { border: 1px solid rgb(255 255 255 / 22%); }
  .deliverables td { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; padding: 12px; border: 0; border-bottom: 1px solid rgb(255 255 255 / 14%); white-space: normal; }
  .deliverables td:last-child { border-bottom: 0; }
  .deliverables td::before { color: #79d7d0; font-size: .7rem; font-weight: 800; line-height: 1.5; }
  .deliverables td:nth-child(1)::before { content: "成果物"; }
  .deliverables td:nth-child(2)::before { content: "企業側で確認できること"; }
  .deliverables td:nth-child(3)::before { content: "第三者監査での用途"; }
  .scope-grid { grid-template-columns: 1fr; }
  .script-card { grid-template-columns: 1fr; gap: 8px; }
  .final-cta { margin-top: 72px; padding: 34px 24px; }
  footer { flex-direction: column; padding: 24px 20px; }
  footer div { flex-direction: column; gap: 2px; }
  footer p { text-align: left; }
}

@media print {
  @page { size: A4; margin: 13mm; }
  body { color: #111; font-size: 10.5pt; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .no-print, .top-links, .skip-link { display: none !important; }
  .hero { color: #111; background: #fff; border-bottom: 3px solid #111; }
  .topbar { padding: 0 0 8mm; border: 0; }
  .hero-grid { display: block; padding: 8mm 0 7mm; }
  .hero-summary { margin-top: 8mm; color: #111; background: #f3f7f8; border-color: #bcc9cf; backdrop-filter: none; }
  .lead, .top-links a, .status-row span { color: #333; }
  .status-row { border-color: #bbb; }
  .status-row span { border-color: #bbb; }
  .eyebrow, .kicker, .section-heading .kicker { color: #176d69; }
  main { max-width: none; padding: 0; }
  .boundary { margin-top: 8mm; }
  .section { padding: 14mm 0 0; }
  .value-card, .role-card, .scope-grid article, .questions, .note { break-inside: avoid; }
  .deliverables, .talk-track { position: static; width: auto; margin: 14mm 0 0; padding: 10mm; color: #111; background: #f0f3f5; }
  .section-heading.light p, .section-heading.light .kicker, .script-label, blockquote, .caption { color: #222; }
  .deliverables table { display: table; width: 100%; }
  .deliverables thead { position: static; display: table-header-group; width: auto; height: auto; overflow: visible; clip: auto; clip-path: none; white-space: normal; }
  .deliverables tbody { display: table-row-group; }
  .deliverables tr { display: table-row; break-inside: avoid; }
  .deliverables th, .deliverables td { display: table-cell; width: auto; padding: 9px; border: 1px solid #999; white-space: normal; }
  .deliverables td::before { display: none; content: none; }
  th, td { color: #111; border-color: #999; }
  th { color: #111; background: #e4e8ea; }
  .handoff-loop { color: #111; background: #eef2f4; }
  .handoff-loop small { color: #444; }
  .final-cta { margin-top: 14mm; padding: 10mm; color: #111; background: #e1f2f0; break-inside: avoid; }
  .final-cta p:not(.kicker) { color: #222; }
  footer { max-width: none; padding: 8mm 0 0; }
}