:root {
  --ink: #152c3a;
  --ink-deep: #0d222e;
  --paper: #f3f0e8;
  --paper-warm: #ebe5d9;
  --white: #fffdf8;
  --rust: #c85d36;
  --rust-dark: #a8492a;
  --sage: #6f887c;
  --line: rgba(21, 44, 58, .16);
  --muted: #5f6c72;
  --radius: 4px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  letter-spacing: .02em;
  line-break: strict;
  word-break: normal;
  overflow-wrap: break-word;
}

h1,
h2,
h3,
nav a,
.button,
.signal-strip,
.status-card,
.trust-role,
.authority-grid,
.consultation-steps,
.faq-list summary,
p,
dd {
  word-break: auto-phrase;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
dd {
  text-wrap: pretty;
}

.keep-together,
.phrase {
  display: inline-block;
  white-space: nowrap;
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink-deep);
  font-size: 13px;
  font-weight: 700;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

:where(a, summary):focus-visible {
  outline: 3px solid #e8b9a4;
  outline-offset: 4px;
}

#top,
#problems,
#process,
#support,
#proof,
#faq,
#contact {
  scroll-margin-top: 92px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 76px;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  gap: 40px;
  background: rgba(243, 240, 232, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .12em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--rust);
  font-size: 17px;
}

nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
}

nav a {
  min-height: 44px;
  padding-block: 10px;
  display: inline-flex;
  align-items: center;
}
nav a:hover { color: var(--rust); }

.header-cta {
  min-height: 44px;
  padding: 10px 22px;
  display: inline-flex;
  align-items: center;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.hero {
  min-height: 680px;
  padding: 94px max(28px, calc((100vw - var(--max)) / 2)) 92px;
  display: grid;
  grid-template-columns: 1.16fr .84fr;
  align-items: center;
  gap: 76px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 39%;
  background: var(--paper-warm);
  z-index: -2;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--rust-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-weight: 600;
  letter-spacing: .02em;
}

h1 {
  margin-bottom: 30px;
  font-size: clamp(42px, 3.8vw, 54px);
  line-height: 1.32;
}

h1 em, .promise em {
  color: var(--rust);
  font-style: normal;
  background: linear-gradient(transparent 78%, rgba(200, 93, 54, .18) 0);
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 36px;
  color: #41545e;
  font-size: 16px;
  line-height: 2.05;
}

.hero-lead strong { color: var(--ink); }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.hero-note {
  max-width: 600px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.button {
  min-height: 56px;
  padding: 15px 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .2s, background .2s;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--rust-dark); }
.button-primary:hover { background: var(--ink-deep); }

.text-link {
  min-height: 44px;
  padding: 10px 0 5px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.hero-visual {
  min-height: 470px;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-visual::before {
  content: "AI";
  position: absolute;
  top: -80px;
  right: -100px;
  color: rgba(21, 44, 58, .045);
  font-family: Georgia, serif;
  font-size: 280px;
  font-weight: 700;
  line-height: 1;
}

.status-card {
  width: min(100%, 420px);
  padding: 36px;
  background: var(--white);
  box-shadow: 0 26px 70px rgba(13, 34, 46, .13);
  position: relative;
  z-index: 2;
}

.status-label {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.status-row {
  min-height: 66px;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.status-row small {
  color: var(--sage);
  font-size: 11px;
}

.status-dot {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--sage);
  font-size: 12px;
}

.status-row.stopped { color: var(--rust-dark); }
.status-row.stopped small { color: var(--rust); }
.status-row.stopped .status-dot { background: var(--rust); }
.status-divider { height: 25px; }

.status-message {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.9;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(200, 93, 54, .35);
  border-radius: 50%;
}

.orbit-one { width: 390px; height: 390px; }
.orbit-two { width: 510px; height: 510px; border-color: rgba(21, 44, 58, .13); }

.signal-strip {
  min-height: 82px;
  padding: 18px max(28px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--white);
  background: var(--ink);
}

.signal-strip p {
  margin: 0;
  font-family: "Yu Mincho", serif;
  font-size: 15px;
}

.signal-strip span { width: 24px; height: 1px; background: rgba(255, 255, 255, .35); }
.signal-strip strong { margin-left: auto; color: #e8b9a4; font-size: 13px; letter-spacing: .1em; }

.section {
  max-width: var(--max);
  margin-inline: auto;
  padding: 120px 28px;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 58px;
}

.section-heading h2, .promise h2, .support-heading h2, .trust-copy h2, .contact h2 {
  margin-bottom: 24px;
  font-size: clamp(34px, 4.1vw, 54px);
  line-height: 1.45;
}

.section-heading > p:last-child {
  max-width: 680px;
  color: var(--muted);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.problem-card {
  min-height: 470px;
  padding: 34px 30px 30px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-top: 4px solid var(--sage);
}

.problem-card.featured {
  color: var(--white);
  background: var(--ink);
  border-color: var(--rust);
  transform: translateY(-16px);
}

.card-number {
  margin-left: auto;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 40px;
  line-height: 1;
}

.card-kicker {
  margin-bottom: 14px;
  color: var(--sage);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
}

.featured .card-kicker { color: #e8b9a4; }

.problem-card h3 {
  margin-bottom: 22px;
  font-family: "Yu Mincho", serif;
  font-size: 27px;
  line-height: 1.55;
}

.problem-card > p:not(.card-kicker) {
  color: var(--muted);
  font-size: 14px;
}

.featured > p:not(.card-kicker) { color: #cad2d3; }

.card-answer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.featured .card-answer { border-color: rgba(255, 255, 255, .2); }
.card-answer span { margin-right: 8px; color: var(--rust); font-size: 11px; }
.featured .card-answer span { color: #e8b9a4; }

.promise {
  padding: 96px max(28px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 90px;
  align-items: end;
  color: var(--white);
  background: var(--ink-deep);
}

.promise h2 { margin-bottom: 0; }
.promise > p { margin-bottom: 4px; color: #c5ced1; }
.light { color: #e8b9a4; }

.featured-proof {
  padding: 76px max(28px, calc((100vw - var(--max)) / 2)) 72px;
  background: var(--white);
}

.featured-proof-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.featured-proof-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(32px, 3.5vw, 46px);
}

.featured-proof-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.featured-proof-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.featured-proof-grid article {
  min-height: 210px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.featured-proof-grid article > span {
  color: var(--rust-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
}

.featured-proof-grid strong {
  margin: 12px 0 8px;
  font-family: "Yu Mincho", serif;
  font-size: 17px;
  line-height: 1.55;
}

.featured-proof-grid p {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.featured-proof-grid small {
  margin-top: auto;
  color: var(--sage);
  font-size: 10px;
  font-weight: 700;
}

.featured-proof-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.compact { margin-bottom: 44px; }

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.process-list li {
  min-height: 126px;
  padding: 28px 4px;
  display: grid;
  grid-template-columns: 80px 260px 1fr;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.step-number {
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 34px;
}

.process-list div p {
  margin-bottom: 1px;
  color: var(--sage);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
}

.process-list h3 { margin-bottom: 0; font-family: "Yu Mincho", serif; font-size: 22px; }
.process-list li > p { margin-bottom: 0; color: var(--muted); }

.recipe-session {
  padding: 96px max(28px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 72px;
  align-items: center;
  color: var(--white);
  background: var(--ink-deep);
}

.recipe-session-problem {
  max-width: 540px;
}

.recipe-session-problem h2 {
  margin-bottom: 27px;
  font-size: clamp(36px, 4vw, 53px);
  line-height: 1.48;
}

.recipe-session-problem > p:last-child {
  margin-bottom: 0;
  color: #c6d0d3;
  font-size: 14px;
  line-height: 2;
}

.recipe-session-card {
  padding: 38px;
  color: var(--ink);
  background: var(--white);
  border-top: 5px solid var(--rust);
}

.recipe-session-card-head {
  padding-bottom: 27px;
  border-bottom: 1px solid var(--line);
}

.recipe-session-card-head > p:first-child {
  margin-bottom: 10px;
  color: var(--rust-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
}

.recipe-session-card-head h3 {
  margin-bottom: 13px;
  font-family: "Yu Mincho", serif;
  font-size: clamp(25px, 2.6vw, 34px);
  line-height: 1.5;
}

.recipe-session-card-head > p:last-child {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.recipe-app-preview {
  margin: 26px 0 0;
}

.recipe-app-preview-frame {
  overflow: hidden;
  background: #f6f7f9;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(13, 34, 46, .1);
}

.recipe-app-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.recipe-app-preview figcaption {
  margin-top: 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  align-items: baseline;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.75;
}

.recipe-app-preview figcaption strong {
  color: var(--ink);
  white-space: nowrap;
}

.recipe-deliverables {
  padding: 26px 0 28px;
}

.recipe-deliverables > p {
  margin-bottom: 12px;
  color: var(--sage);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.recipe-deliverables ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.recipe-deliverables li {
  min-height: 92px;
  padding: 13px 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.recipe-deliverables li > span {
  color: var(--rust-dark);
  font-family: Georgia, serif;
  font-size: 12px;
}

.recipe-deliverables strong {
  font-size: 11px;
  line-height: 1.5;
}

.recipe-session-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px 20px;
}

.recipe-session-cta {
  min-height: 56px;
  padding: 14px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--rust-dark);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.recipe-session-action small {
  color: var(--muted);
  font-size: 10px;
}

.support-scope {
  max-width: none;
  padding-inline: max(28px, calc((100vw - var(--max)) / 2));
  background: var(--paper-warm);
}

.support-heading {
  max-width: 760px;
  margin-bottom: 54px;
}

.support-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.case-card {
  min-height: 610px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-top: 4px solid var(--rust);
}

.case-card-dark {
  color: var(--white);
  background: var(--ink);
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.case-header span {
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 23px;
}

.case-header p {
  margin: 0;
  color: var(--sage);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.case-card-dark .case-header p { color: #e8b9a4; }
.case-card-dark .case-header span { color: #e8b9a4; }

.case-card h3 {
  min-height: 112px;
  margin-bottom: 26px;
  font-family: "Yu Mincho", serif;
  font-size: 25px;
  line-height: 1.55;
}

.case-flow {
  margin: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.case-flow > div {
  padding: 18px 0;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.case-card-dark .case-flow > div { border-color: rgba(255, 255, 255, .18); }

.case-flow dt {
  color: var(--sage);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
}

.case-card-dark .case-flow dt { color: #e8b9a4; }

.case-flow dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.case-card-dark .case-flow dd { color: #d2dbdd; }

.case-flow .case-state {
  margin-top: auto;
  padding: 20px 18px;
  background: rgba(111, 136, 124, .12);
  border-top: 0;
}

.case-card-dark .case-flow .case-state { background: rgba(232, 185, 164, .11); }

.case-note {
  margin: 20px 0 42px;
  color: var(--muted);
  font-size: 11px;
}

.trust {
  padding: 120px max(28px, calc((100vw - var(--max)) / 2)) 90px;
  color: var(--white);
  background: var(--ink-deep);
}

.trust-intro {
  display: grid;
  grid-template-columns: .76fr 1.24fr;
  align-items: stretch;
  gap: 78px;
}

.trust-photo {
  min-height: 650px;
  position: relative;
}

.trust-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(.98);
}

.trust-photo > p {
  position: absolute;
  left: -18px;
  bottom: 30px;
  min-width: 230px;
  margin: 0;
  padding: 19px 24px;
  color: var(--ink);
  background: var(--white);
  font-size: 11px;
}

.trust-photo strong {
  font-family: "Yu Mincho", serif;
  font-size: 25px;
}

.trust-copy {
  align-self: center;
}

.trust-copy h2 {
  margin-bottom: 20px;
  font-size: clamp(38px, 4.2vw, 58px);
}

.trust-role {
  margin-bottom: 25px;
  color: #e8b9a4;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

.trust-lead {
  max-width: 660px;
  margin-bottom: 34px;
  color: #c6d0d3;
  font-size: 14px;
  line-height: 2;
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .18);
  border-left: 1px solid rgba(255, 255, 255, .18);
}

.credential-grid article {
  min-height: 150px;
  padding: 22px 18px;
  border-right: 1px solid rgba(255, 255, 255, .18);
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.credential-grid span {
  display: block;
  color: #e8b9a4;
  font-family: Georgia, serif;
  font-size: 20px;
}

.credential-grid strong {
  display: block;
  margin: 8px 0 4px;
  font-family: "Yu Mincho", serif;
  font-size: 17px;
}

.credential-grid p {
  margin: 0;
  color: #aab8bc;
  font-size: 11px;
  line-height: 1.7;
}

.authority {
  margin-top: 70px;
  padding-top: 52px;
  border-top: 1px solid rgba(255, 255, 255, .2);
}

.authority-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.authority-heading h3 {
  margin-bottom: 16px;
  font-family: "Yu Mincho", serif;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.45;
}

.authority-heading > p:last-child {
  color: #9bacb1;
  font-size: 12px;
}

.authority-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .18);
  border-left: 1px solid rgba(255, 255, 255, .18);
}

.authority-grid article {
  min-height: 158px;
  padding: 17px 16px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, .18);
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.authority-grid span {
  color: #e8b9a4;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.authority-grid strong {
  margin: 8px 0 6px;
  font-family: "Yu Mincho", serif;
  font-size: 16px;
  line-height: 1.5;
}

.authority-grid p {
  margin-bottom: 10px;
  color: #b9c5c8;
  font-size: 11px;
  line-height: 1.65;
}

.authority-grid small {
  margin-top: auto;
  color: #9bacb1;
  font-size: 10px;
}

.engagements {
  margin-top: 92px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 68px;
  padding-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, .2);
}

.engagements-heading h3 {
  margin-bottom: 16px;
  font-family: "Yu Mincho", serif;
  font-size: 32px;
}

.engagements-heading > p:last-child {
  color: #9bacb1;
  font-size: 11px;
}

.engagement-list {
  border-top: 1px solid rgba(255, 255, 255, .18);
}

.engagement-list article {
  min-height: 136px;
  padding: 25px 0;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.evidence-meta time {
  display: block;
  margin-bottom: 7px;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 18px;
}

.evidence-meta p {
  margin: 0;
  color: #9bacb1;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.6;
}

.evidence-detail h3 {
  margin-bottom: 8px;
  font-family: "Yu Mincho", serif;
  font-size: 20px;
  line-height: 1.55;
}

.evidence-detail p {
  margin: 0;
  color: #b9c5c8;
  font-size: 13px;
}

.evidence-note {
  max-width: var(--max);
  margin: 22px 0 0 auto;
  color: #aab8bc;
  font-size: 11px;
}

.consultation-guide {
  max-width: var(--max);
  margin: 110px auto 0;
  padding: 0 28px;
}

.consultation-heading {
  max-width: 800px;
  margin-bottom: 42px;
}

.consultation-heading h2,
.faq-intro h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 54px);
}

.consultation-heading > p:last-child {
  max-width: 650px;
  color: var(--muted);
}

.consultation-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.consultation-steps article {
  min-height: 245px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.consultation-steps span {
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 19px;
}

.consultation-steps h3 {
  margin: 28px 0 14px;
  font-family: "Yu Mincho", serif;
  font-size: 23px;
}

.consultation-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.faq {
  margin-top: 92px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 50px;
  align-items: start;
}

.faq-intro h2 {
  font-size: clamp(30px, 3.3vw, 43px);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 44px;
  padding: 24px 46px 24px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-family: "Yu Mincho", serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "＋";
  position: absolute;
  top: 23px;
  right: 4px;
  color: var(--rust);
  font-family: sans-serif;
  font-size: 22px;
}

.faq-list details[open] summary::after { content: "−"; }

.faq-list details p {
  max-width: 760px;
  margin: -4px 46px 24px 0;
  color: var(--muted);
  font-size: 13px;
}

.consultation-flow {
  max-width: var(--max);
  margin: 105px auto 0;
  padding: 0 28px;
}

.consultation-flow-heading {
  max-width: 800px;
  margin-bottom: 40px;
}

.consultation-flow-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.45;
}

.consultation-flow-heading > p:last-child {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
}

.consultation-flow-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.consultation-flow-list > li {
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.flow-visual {
  height: 178px;
  margin-bottom: 23px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper-warm);
  border: 1px solid rgba(21, 44, 58, .1);
}

.flow-visual-talk {
  gap: 9px;
  align-items: flex-start;
}

.flow-visual-talk span {
  padding: 7px 11px;
  color: var(--ink);
  background: var(--white);
  border-left: 3px solid var(--rust);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.flow-visual-talk span:nth-child(2) { margin-left: 22px; }
.flow-visual-talk span:nth-child(3) { margin-left: 8px; }

.flow-visual-sort {
  gap: 8px;
}

.flow-visual-sort span {
  padding: 7px 10px;
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  color: var(--muted);
  background: rgba(255, 255, 255, .62);
  font-size: 11px;
}

.flow-visual-sort small {
  color: var(--sage);
  font-size: 9px;
  font-weight: 800;
}

.flow-visual-sort .is-selected {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 7px 18px rgba(21, 44, 58, .14);
  font-weight: 700;
}

.flow-visual-sort .is-selected small { color: #e8b9a4; }

.flow-visual-next {
  justify-content: flex-start;
  color: var(--white);
  background: var(--ink);
}

.flow-visual-next .next-label {
  color: #e8b9a4;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}

.flow-visual-next strong {
  margin: 20px 0 auto;
  font-family: "Yu Mincho", serif;
  font-size: 18px;
  line-height: 1.55;
}

.flow-visual-next .next-action {
  padding-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, .2);
  color: #cbd5d7;
  font-size: 10px;
}

.flow-visual-next b { color: #e8b9a4; font-size: 15px; }

.flow-step {
  margin-bottom: 8px;
  color: var(--rust-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
}

.consultation-flow-list h3 {
  margin-bottom: 13px;
  font-family: "Yu Mincho", serif;
  font-size: 22px;
  line-height: 1.5;
}

.consultation-flow-list h3 .phrase + .phrase { margin-left: .16em; }

.consultation-flow-list > li > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.contact {
  max-width: var(--max);
  margin: 100px auto;
  padding: 68px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  color: var(--white);
  background: var(--rust-dark);
}

.contact h2 { font-size: clamp(30px, 3.4vw, 45px); }
.contact p:not(.eyebrow) { max-width: 720px; margin-bottom: 0; color: #ffe9df; }
.contact-examples {
  display: block;
  margin-bottom: 10px;
  color: var(--white);
  font-weight: 700;
}
.contact .contact-note {
  margin-top: 16px;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}
.contact .light { color: #ffe1d5; }
.button-light { color: var(--ink); background: var(--white); }
.contact-preview { min-width: 255px; }
.preview-button {
  width: 100%;
  cursor: pointer;
}
.contact-preview small {
  display: block;
  margin-top: 11px;
  color: #ffe1d5;
  font-size: 10px;
  text-align: center;
}

footer {
  padding: 56px max(28px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px 40px;
  color: #d2dadd;
  background: var(--ink-deep);
}

.footer-brand { color: var(--white); }
footer p { margin: 0; font-size: 12px; }
footer small { grid-column: 2; color: #9bacb1; font-size: 10px; letter-spacing: .16em; }

@media (max-width: 920px) {
  nav { display: none; }
  .header-cta { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 68px; gap: 40px; }
  .hero::before { width: 100%; height: 38%; inset: auto 0 0; }
  .hero-visual { min-height: 420px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: auto; }
  .problem-card.featured { transform: none; }
  .promise { grid-template-columns: 1fr; }
  .promise { gap: 36px; }
  .featured-proof-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .case-card { min-height: auto; }
  .case-card h3 { min-height: auto; }
  .trust-intro { grid-template-columns: .85fr 1.15fr; gap: 44px; }
  .trust-photo { min-height: 560px; }
  .credential-grid { grid-template-columns: 1fr; }
  .credential-grid article { min-height: auto; }
  .authority-grid { grid-template-columns: repeat(2, 1fr); }
  .engagements { grid-template-columns: 1fr; gap: 32px; }
  .consultation-steps { grid-template-columns: 1fr; }
  .consultation-steps article { min-height: auto; }
  .faq { grid-template-columns: 1fr; gap: 28px; }
  .consultation-flow-list { grid-template-columns: 1fr; }
  .process-list li { grid-template-columns: 60px 220px 1fr; }
  .recipe-session {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .recipe-session-problem { max-width: 760px; }
  .contact { margin-inline: 28px; grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { height: 66px; padding-inline: 18px; }
  .brand { font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; }
  .header-cta { padding: 9px 14px; }
  .hero { padding: 54px 20px 64px; }
  h1 { font-size: 38px; }
  .hero-lead br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .text-link { align-self: flex-start; }
  .status-card { padding: 25px 20px; }
  .orbit-one { width: 320px; height: 320px; }
  .orbit-two { width: 410px; height: 410px; }
  .signal-strip { padding: 18px 20px; gap: 12px; flex-wrap: wrap; }
  .signal-strip strong { width: 100%; margin-left: 0; }
  .section { padding: 82px 20px; }
  .section-heading h2, .promise h2, .support-heading h2, .trust-copy h2 { font-size: 32px; }
  .promise { padding: 72px 20px; }
  .featured-proof { padding: 62px 20px 58px; }
  .featured-proof-heading { margin-bottom: 24px; }
  .featured-proof-heading h2 { font-size: 31px; }
  .featured-proof-grid { grid-template-columns: 1fr; }
  .featured-proof-grid article {
    min-height: auto;
    padding: 17px 16px;
  }
  .featured-proof-grid strong { font-size: 16px; }
  .featured-proof-grid p { margin-bottom: 8px; }
  .process-list li {
    padding: 24px 0;
    grid-template-columns: 48px 1fr;
    gap: 8px 15px;
  }
  .process-list li > p { grid-column: 2; }
  .recipe-session {
    padding: 68px 20px;
    gap: 34px;
  }
  .recipe-session-problem h2 { font-size: 32px; }
  .recipe-session-problem > p:last-child br { display: none; }
  .recipe-session-card { padding: 26px 20px; }
  .recipe-session-card-head h3 { font-size: 26px; }
  .recipe-app-preview figcaption { grid-template-columns: 1fr; }
  .recipe-deliverables ul { grid-template-columns: repeat(2, 1fr); }
  .recipe-deliverables li { min-height: 78px; }
  .recipe-session-action { grid-template-columns: 1fr; }
  .recipe-session-action small { text-align: center; }
  .support-scope { padding-inline: 20px; }
  .case-card { padding: 24px 20px; }
  .case-flow > div { grid-template-columns: 60px 1fr; }
  .trust { padding: 76px 20px 64px; }
  .trust-intro { grid-template-columns: 1fr; }
  .trust-photo { min-height: 430px; }
  .trust-photo > p { left: -8px; }
  .authority-grid { grid-template-columns: 1fr; }
  .authority-grid article { min-height: auto; }
  .engagement-list article { grid-template-columns: 1fr; gap: 14px; }
  .evidence-meta { display: flex; align-items: baseline; gap: 14px; }
  .evidence-meta time { flex: 0 0 auto; }
  .consultation-guide { margin-top: 78px; padding: 0 20px; }
  .consultation-heading h2 { font-size: 31px; }
  .consultation-steps article { padding: 25px 20px; }
  .faq { margin-top: 70px; }
  .faq-list summary { padding-block: 20px; font-size: 16px; }
  .faq-list summary::after { top: 19px; }
  .faq-list details p { margin-right: 32px; }
  .consultation-flow {
    margin-top: 76px;
    padding: 0 20px;
  }
  .consultation-flow-heading { margin-bottom: 28px; }
  .consultation-flow-heading h2 { font-size: 31px; }
  .consultation-flow-list > li { padding: 18px; }
  .flow-visual {
    height: 158px;
    margin-bottom: 19px;
  }
  .consultation-flow-list h3 { font-size: 21px; }
  .contact { margin: 64px 20px; padding: 42px 24px; }
  .contact h2 { font-size: 29px; }
  .contact-preview { min-width: 0; }
  footer { padding: 45px 20px; grid-template-columns: 1fr; }
  footer small { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}