:root {
  --color-paper: #f4f1eb;
  --color-white: #ffffff;
  --color-ink: #171717;
  --color-muted: #68645f;
  --color-line: #d6d0c7;
  --color-dark-line: #363636;
  --font-sans: "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-serif: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  --content-width: 1200px;
  --space-section: clamp(4rem, 9vw, 8rem);
  --radius-small: 0.25rem;
  --radius-round: 999px;
  --color-focus: #075fbd;
  --color-focus-dark: #ffd166;
  --space-inline: max(1rem, calc((100% - var(--content-width)) / 2));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  background: var(--color-white);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.is-dialog-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

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

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.015em;
  text-wrap: balance;
}

h1 {
  margin-block-end: 1.5rem;
  font-size: clamp(2.45rem, 9vw, 4.9rem);
  letter-spacing: -0.025em;
}

h2 {
  margin-block-end: clamp(2rem, 6vw, 4rem);
  font-size: clamp(2rem, 6vw, 3.75rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.65rem);
}

ul,
ol {
  margin-block-start: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: 0.5rem;
  inset-inline-start: 0.5rem;
  padding: 0.75rem 1rem;
  transform: translateY(-150%);
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 700;
}

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

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
  box-shadow: 0 0 0 2px var(--color-white);
}

#works :focus-visible,
.final-cta :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-focus-dark);
  box-shadow: 0 0 0 2px var(--color-ink);
}

.eyebrow {
  margin-block-end: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.button,
.nav-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-small);
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-inline-start: 0.75rem;
  font-weight: 700;
}

.notice {
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.site-header {
  position: sticky;
  z-index: 20;
  inset-block-start: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem 1rem;
  min-height: 4.5rem;
  padding: 0.75rem 1rem;
  border-block-end: 1px solid var(--color-line);
  background: rgb(255 255 255 / 0.96);
}

.site-brand {
  display: inline-flex;
  width: fit-content;
  min-height: 44px;
  align-items: center;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.045em;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-small);
  background: var(--color-white);
  cursor: pointer;
}

.menu-toggle__label {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  grid-column: 1 / -1;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.25rem;
  padding-block: 0.25rem 0.5rem;
  border-block-start: 1px solid var(--color-line);
}

.site-nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding-inline: 0.25rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav .nav-cta {
  margin-block-start: 0.5rem;
  padding-inline: 1rem;
}

.hero,
main > section {
  min-width: 0;
  padding-inline: var(--space-inline);
}

main > section {
  padding-block: var(--space-section);
}

.hero {
  display: grid;
  gap: 2.5rem;
  padding-block-start: clamp(3.5rem, 10vw, 8rem);
  padding-block-end: var(--space-section);
  background: var(--color-white);
}

.hero__content {
  min-width: 0;
  align-self: center;
}

.hero__content > p:not(.eyebrow, .notice) {
  max-width: 42rem;
}

.hero__content .notice {
  max-width: 40rem;
  margin-block-start: 2rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--color-line);
}

.hero > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

#works {
  background: var(--color-ink);
  color: var(--color-white);
}

#works .notice {
  color: #c7c7c7;
}

.work-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 2rem;
}

.work-filters button {
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-round);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
}

.work-filters button[aria-pressed="true"] {
  border-color: var(--color-white);
  background: var(--color-white);
  color: var(--color-ink);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--color-ink);
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.22em;
}

[data-work-item][hidden] {
  display: none;
}

.work-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

[data-work-item] {
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding-block-end: 1.25rem;
  border-block-end: 1px solid var(--color-dark-line);
}

[data-work-item] img,
[data-work-open] {
  grid-area: 1 / 1;
}

[data-work-item] img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

[data-work-item] h3 {
  margin: 1rem 0 0;
}

[data-work-item] p {
  margin: 0.25rem 0 0;
  color: #c7c7c7;
  font-size: 0.875rem;
}

[data-work-open] {
  z-index: 1;
  align-self: end;
  justify-self: end;
  min-height: 44px;
  margin: 0.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgb(255 255 255 / 0.75);
  border-radius: var(--radius-round);
  background: rgb(23 23 23 / 0.84);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}

.strengths,
#services,
#contact {
  background: var(--color-paper);
}

.strengths ul,
.service-grid,
.checklist,
#flow ol {
  padding: 0;
  list-style: none;
}

.strengths ul {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  border-block-start: 1px solid var(--color-line);
}

.strengths li {
  padding-block: 1.5rem;
  border-block-end: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 4vw, 1.65rem);
}

.strengths li::before {
  display: inline-block;
  margin-inline-end: 0.75rem;
  content: "—";
}

.service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-block: 2.5rem 1.5rem;
  border-block-start: 1px solid var(--color-line);
}

.service-grid article {
  min-width: 0;
  padding-block: 2rem;
  border-block-end: 1px solid var(--color-line);
}

.service-grid article > p:first-child {
  margin-block-end: 0.5rem;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.service-grid article > p:nth-of-type(2) {
  margin-block: 1.75rem 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 6vw, 2.4rem);
  line-height: 1.2;
}

.service-grid article > p:last-child {
  margin-block-end: 0;
  color: var(--color-muted);
}

#flow {
  background: var(--color-white);
}

#flow ol {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  counter-reset: flow;
}

#flow li {
  position: relative;
  min-width: 0;
  min-height: 5.5rem;
  padding: 1.25rem 1rem 1.25rem 3.5rem;
  border-block-start: 1px solid var(--color-line);
  counter-increment: flow;
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

#flow li:last-child {
  border-block-end: 1px solid var(--color-line);
}

#flow li::before {
  position: absolute;
  inset-block-start: 1.2rem;
  inset-inline-start: 0;
  content: counter(flow, decimal-leading-zero);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

#contact {
  border-block: 1px solid var(--color-line);
}

.checklist {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0 0 2rem;
  border-block-start: 1px solid var(--color-line);
}

.checklist li {
  position: relative;
  min-width: 0;
  padding: 1rem 0 1rem 2rem;
  border-block-end: 1px solid var(--color-line);
}

.checklist li::before {
  position: absolute;
  inset-block-start: 1.1rem;
  inset-inline-start: 0.2rem;
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--color-ink);
  content: "";
}

#faq {
  background: var(--color-white);
}

#faq details {
  border-block-start: 1px solid var(--color-line);
}

#faq details:last-child {
  border-block-end: 1px solid var(--color-line);
}

#faq summary {
  min-height: 56px;
  padding: 1.1rem 2.25rem 1.1rem 0;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 4vw, 1.3rem);
  font-weight: 700;
  cursor: pointer;
}

#faq details p {
  max-width: 52rem;
  margin-block-end: 1.5rem;
  color: var(--color-muted);
}

.final-cta {
  background: var(--color-ink);
  color: var(--color-white);
  text-align: center;
}

.final-cta h2 {
  max-width: 18ch;
  margin-inline: auto;
  margin-block-end: 1.5rem;
}

.final-cta p {
  max-width: 44rem;
  margin-inline: auto;
  margin-block-end: 2rem;
  color: #d9d9d9;
}

.final-cta .button {
  border-color: var(--color-white);
  background: var(--color-white);
  color: var(--color-ink);
}

.site-footer {
  padding: 2rem 1rem;
  border-block-start: 1px solid var(--color-dark-line);
  background: var(--color-ink);
  color: #c7c7c7;
  font-size: 0.8125rem;
  text-align: center;
}

.site-footer p {
  max-width: var(--content-width);
  margin: 0 auto;
}

.work-dialog {
  width: calc(100% - 2rem);
  max-width: 56rem;
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: var(--radius-small);
  background: var(--color-white);
  color: var(--color-ink);
}

.work-dialog::backdrop {
  background: rgb(0 0 0 / 0.78);
}

.work-dialog[open] {
  display: grid;
}

.work-dialog__inner {
  display: grid;
  min-width: 0;
  padding: 1rem;
}

.work-dialog__close {
  min-width: 44px;
  min-height: 44px;
  margin-block-end: 1rem;
  justify-self: end;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-round);
  background: var(--color-white);
  font-weight: 700;
  cursor: pointer;
}

.work-dialog img {
  width: 100%;
  max-height: min(62dvh, 42rem);
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--color-paper);
}

.work-dialog h2 {
  margin: 1.25rem 0 0.5rem;
  font-size: clamp(1.5rem, 7vw, 2.4rem);
}

.work-dialog p {
  margin-block-end: 0;
  color: var(--color-muted);
}

@media (max-width: 767px) {
  .js .menu-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav.is-open {
    display: flex;
  }

  .button,
  .text-link,
  .site-nav a,
  .work-filters button,
  [data-work-open],
  .work-dialog__close,
  #faq summary {
    min-height: 44px;
  }
}

@media (min-width: 768px) {
  :root {
    --space-inline: max(2rem, calc((100% - var(--content-width)) / 2));
  }

  .site-header {
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 5rem;
    padding-inline: max(2rem, calc((100% - var(--content-width)) / 2));
  }

  .menu-toggle,
  .js .menu-toggle {
    display: none;
  }

  .site-nav,
  .js .site-nav,
  .js .site-nav.is-open {
    grid-column: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.35rem, 1.4vw, 1.25rem);
    padding: 0;
    border: 0;
  }

  .site-nav a {
    min-height: 44px;
    padding-inline: 0;
    font-size: clamp(0.75rem, 1.25vw, 0.9375rem);
    white-space: nowrap;
  }

  .site-nav .nav-cta {
    margin: 0;
    padding-inline: clamp(0.7rem, 1.5vw, 1.15rem);
  }

  .hero {
    grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
    align-items: stretch;
    gap: clamp(2rem, 5vw, 5rem);
  }

  .hero > img {
    height: 100%;
    min-height: 34rem;
    aspect-ratio: 5 / 4;
  }

  .work-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.82fr) minmax(0, 1fr);
    gap: clamp(1rem, 2.5vw, 2.5rem);
    align-items: start;
  }

  [data-work-item] {
    border-block-end: 0;
  }

  [data-work-item]:nth-child(2) img,
  [data-work-item]:nth-child(5) img {
    aspect-ratio: 3 / 4;
  }

  [data-work-item]:nth-child(3) img,
  [data-work-item]:nth-child(4) img {
    aspect-ratio: 1 / 1;
  }

  [data-work-item]:nth-child(6) img {
    aspect-ratio: 16 / 9;
  }

  .strengths ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-block-end: 1px solid var(--color-line);
  }

  .strengths li {
    padding: 2rem;
  }

  .strengths li:nth-child(odd) {
    padding-inline-start: 0;
    border-inline-end: 1px solid var(--color-line);
  }

  .strengths li:nth-last-child(-n + 2) {
    border-block-end: 0;
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-block-end: 1px solid var(--color-line);
  }

  .service-grid article {
    padding: 2.5rem clamp(1.25rem, 3vw, 2.5rem);
    border-block-end: 0;
    border-inline-end: 1px solid var(--color-line);
  }

  .service-grid article:first-child {
    padding-inline-start: 0;
  }

  .service-grid article:last-child {
    padding-inline-end: 0;
    border-inline-end: 0;
  }

  #flow ol {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-block: 1px solid var(--color-line);
  }

  #flow li {
    min-height: 9rem;
    padding: 3.5rem 1rem 1.25rem;
    border-block: 0;
    border-inline-end: 1px solid var(--color-line);
  }

  #flow li:last-child {
    border: 0;
  }

  #flow li::before {
    inset-block-start: 1.25rem;
    inset-inline-start: 1rem;
  }

  .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .checklist li:nth-child(odd) {
    margin-inline-end: 2rem;
  }

  .work-dialog__inner {
    padding: 1.5rem;
  }
}

@media (hover: hover) {
  a,
  button,
  summary {
    transition:
      color 180ms ease,
      background-color 180ms ease,
      border-color 180ms ease,
      opacity 180ms ease;
  }

  .button:hover,
  .nav-cta:hover {
    background: var(--color-white);
    color: var(--color-ink);
  }

  .text-link:hover,
  .site-nav a:not(.nav-cta):hover {
    text-decoration: underline;
  }

  .work-filters button:hover {
    border-color: var(--color-white);
  }

  [data-work-open]:hover {
    background: var(--color-white);
    color: var(--color-ink);
  }

  .final-cta .button:hover {
    background: transparent;
    color: var(--color-white);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}