:root {
  --color-ink: #1f2923;
  --color-muted: #5c655f;
  --color-paper: #f7f3ea;
  --color-surface: #fffdf8;
  --color-wood: #9a5f37;
  --color-forest: #234c3a;
  --color-forest-deep: #183429;
  --color-line: #d8d0c2;
  --color-error: #a63f32;
  --space-25: 0.125rem;
  --space-50: 0.25rem;
  --space-75: 0.5rem;
  --space-100: 0.75rem;
  --space-200: 1rem;
  --space-300: 1.5rem;
  --space-400: 2rem;
  --space-500: 2.5rem;
  --space-600: 3rem;
  --space-700: 4rem;
  --space-800: 5rem;
  --space-900: 6rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1rem;
  --shadow: 0 1rem 3rem rgb(31 41 35 / 10%);
  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}
body.menu-open {
  overflow: hidden;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
a {
  color: inherit;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  text-wrap: balance;
}
p,
dd {
  text-wrap: pretty;
}
h1 {
  max-width: 42.5rem;
  margin-bottom: var(--space-300);
  font-size: clamp(2.25rem, 9vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(90deg, #111a15, #667069);
  background-clip: text;
  color: transparent;
}
h2 {
  margin-bottom: var(--space-300);
  font-size: clamp(1.875rem, 6vw, 3rem);
  letter-spacing: -0.035em;
}
h3 {
  margin-bottom: var(--space-200);
  font-size: 1.25rem;
}
.container {
  width: min(100% - 2rem, 75rem);
  margin-inline: auto;
}
.section {
  padding-block: var(--space-800);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-100);
  left: var(--space-100);
  padding: var(--space-75) var(--space-100);
  color: white;
  background: var(--color-forest);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: translateY(0);
}
:focus-visible {
  outline: 3px solid #d48552;
  outline-offset: 4px;
}
.sample-bar {
  padding: var(--space-75) var(--space-200);
  color: white;
  background: var(--color-forest-deep);
  text-align: center;
}
.sample-bar p {
  margin: 0;
  font-size: 0.75rem;
}
.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgb(216 208 194 / 75%);
  background: rgb(247 243 234 / 94%);
  backdrop-filter: blur(1rem);
}
.site-header__inner {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-200);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-100);
  text-decoration: none;
}
.brand strong,
.brand small {
  display: block;
}
.brand strong {
  font-size: 1rem;
}
.brand small {
  color: var(--color-muted);
  font-size: 0.75rem;
}
.brand__mark {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-forest);
  border-radius: 50%;
}
.brand__mark::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0.75rem;
  width: 1rem;
  height: 0.8rem;
  border: 2px solid var(--color-forest);
  border-top: 0;
}
.brand__mark::after {
  content: "";
  position: absolute;
  left: 0.52rem;
  top: 0.45rem;
  width: 1rem;
  height: 1rem;
  border-top: 2px solid var(--color-forest);
  border-left: 2px solid var(--color-forest);
  transform: rotate(45deg);
}
.brand__mark span {
  position: absolute;
  right: 0.35rem;
  bottom: 0.35rem;
  width: 0.65rem;
  height: 0.4rem;
  background: var(--color-wood);
  border-radius: 100% 0;
  transform: rotate(-35deg);
}
.menu-button {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-content: center;
  gap: 0.4rem;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  color: var(--color-ink);
  background: var(--color-surface);
}
.menu-button__line {
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  transition: transform 700ms var(--ease-out);
}
.menu-button[aria-expanded="true"] .menu-button__line:first-of-type {
  transform: translateY(0.28rem) rotate(45deg);
}
.menu-button[aria-expanded="true"] .menu-button__line:last-of-type {
  transform: translateY(-0.28rem) rotate(-45deg);
}
.site-nav {
  position: fixed;
  inset: 6.6rem 0 0;
  display: none;
  padding: var(--space-500) var(--space-200);
  background: rgb(24 52 41 / 97%);
  color: white;
}
.site-nav.is-open {
  display: grid;
  align-content: start;
  gap: var(--space-100);
}
.site-nav > a {
  min-height: 3rem;
  display: flex;
  align-items: center;
  padding: var(--space-75) var(--space-100);
  border-bottom: 1px solid rgb(255 255 255 / 18%);
  font-size: 1.125rem;
  text-decoration: none;
}
.button {
  min-height: 3rem;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-75);
  padding: var(--space-75) var(--space-100);
  border: 1px solid var(--color-forest);
  border-radius: var(--radius-sm);
  color: white;
  background: var(--color-forest);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    color 700ms var(--ease-out),
    background 700ms var(--ease-out),
    transform 700ms var(--ease-out);
}
.button:hover {
  background: var(--color-forest-deep);
  transform: translateY(-2px);
}
.button:active {
  transform: scale(0.98);
}
.button--small {
  min-height: 2.5rem;
  font-size: 0.875rem !important;
}
.button--light {
  color: var(--color-forest-deep);
  background: var(--color-paper);
  border-color: var(--color-paper);
}
.button--light:hover {
  color: white;
  background: transparent;
}
.button span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
}
.eyebrow {
  margin-bottom: var(--space-100);
  color: var(--color-wood);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow--light {
  color: #dcb692;
}
.section-heading {
  max-width: 42.5rem;
  margin-bottom: var(--space-600);
}
.section-heading > p:last-child {
  max-width: 36rem;
  color: var(--color-muted);
}
.hero {
  padding-top: var(--space-600);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  gap: var(--space-500);
  align-items: center;
}
.hero__lead {
  max-width: 42.5rem;
  margin-bottom: var(--space-300);
  color: var(--color-muted);
  font-size: 1.125rem;
}
.sample-note {
  margin-top: var(--space-200);
  color: var(--color-muted);
  font-size: 0.875rem;
}
.hero__media,
.work-item__media,
.strengths__media,
.company__media {
  margin: 0;
}
.hero__media img,
.work-item__media img,
.strengths__media img,
.company__media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.hero__media img {
  aspect-ratio: 3 / 2;
  box-shadow: var(--shadow);
}
figcaption {
  margin-top: var(--space-75);
  color: var(--color-muted);
  font-size: 0.75rem;
}
.hero__facts {
  display: grid;
  margin-top: var(--space-500);
  border-block: 1px solid var(--color-line);
}
.hero__facts p {
  display: grid;
  gap: var(--space-50);
  margin: 0;
  padding: var(--space-200) 0;
  border-bottom: 1px solid var(--color-line);
}
.hero__facts p:last-child {
  border-bottom: 0;
}
.hero__facts strong {
  font-size: 1rem;
}
.hero__facts span {
  color: var(--color-muted);
  font-size: 0.875rem;
}
.works {
  background: var(--color-surface);
}
.works-list {
  display: grid;
  gap: var(--space-800);
}
.work-item {
  display: grid;
  gap: var(--space-400);
  align-items: center;
}
.work-item__body dl {
  margin-bottom: 0;
}
.work-item__body dl div {
  padding-block: var(--space-200);
  border-top: 1px solid var(--color-line);
}
.work-item__body dt {
  margin-bottom: var(--space-50);
  color: var(--color-wood);
  font-size: 0.75rem;
  font-weight: 700;
}
.work-item__body dd {
  margin-left: 0;
  color: var(--color-muted);
}
.service-grid {
  display: grid;
  gap: var(--space-200);
}
.service-item {
  padding: var(--space-300);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.service-item > span,
.strength-list > li > span,
.flow-list > li > span {
  color: var(--color-wood);
  font-size: 0.875rem;
  font-weight: 700;
}
.service-item p,
.strength-list p,
.flow-list p {
  margin-bottom: 0;
  color: var(--color-muted);
}
.strengths {
  background: #eee7dc;
}
.strengths__grid {
  display: grid;
  gap: var(--space-500);
  align-items: center;
}
.strength-list,
.flow-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}
.strength-list li,
.flow-list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-200);
  padding-block: var(--space-300);
  border-top: 1px solid var(--color-line);
}
.area,
.consultation {
  color: white;
  background: var(--color-forest-deep);
}
.area__grid,
.consultation__grid {
  display: grid;
  gap: var(--space-400);
}
.area h2,
.consultation h2 {
  color: white;
}
.area__body > p:first-child,
.consultation__intro > p {
  color: #e2e8e4;
  font-size: 1.125rem;
}
.area__note,
.consultation__notice {
  padding: var(--space-200);
  border: 1px solid rgb(255 255 255 / 28%);
  border-radius: var(--radius-sm);
  font-size: 0.875rem !important;
}
.flow-list {
  counter-reset: flow;
}
.flow-list li {
  padding-block: var(--space-400);
}
.flow__disclaimer {
  max-width: 48rem;
  margin: var(--space-400) 0 0;
  padding: var(--space-200);
  background: #eee7dc;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.875rem;
}
.tagline {
  background: var(--color-surface);
}
.tagline__text {
  max-width: 42.5rem;
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.04em;
}
.tagline-word {
  display: block;
  color: rgb(31 41 35 / 30%);
  transition: color 900ms var(--ease-out);
}
.tagline-word.is-visible {
  color: var(--color-ink);
}
.company__grid,
.faq__grid {
  display: grid;
  gap: var(--space-500);
}
.company__content > p:not(.eyebrow, .signature) {
  color: var(--color-muted);
  font-size: 1.125rem;
}
.signature {
  display: grid;
  margin-block: var(--space-300);
}
.signature span {
  color: var(--color-muted);
  font-size: 0.75rem;
}
.company-data {
  margin-bottom: 0;
  border-top: 1px solid var(--color-line);
}
.company-data div {
  display: grid;
  gap: var(--space-50);
  padding-block: var(--space-200);
  border-bottom: 1px solid var(--color-line);
}
.company-data dt {
  font-size: 0.75rem;
  font-weight: 700;
}
.company-data dd {
  margin: 0;
  color: var(--color-muted);
}
.faq {
  background: var(--color-surface);
}
.faq-item {
  border-top: 1px solid var(--color-line);
}
.faq-item:last-child {
  border-bottom: 1px solid var(--color-line);
}
.faq-item h3 {
  margin: 0;
}
.faq-item button {
  width: 100%;
  min-height: 4rem;
  display: grid;
  grid-template-columns: 1fr 1.5rem;
  gap: var(--space-200);
  align-items: center;
  padding: var(--space-200) 0;
  border: 0;
  color: var(--color-ink);
  background: transparent;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
}
.faq-item button span {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
}
.faq-item button span::before,
.faq-item button span::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 2px;
  background: currentColor;
  transition: transform 700ms var(--ease-out);
}
.faq-item button span::after {
  transform: rotate(90deg);
}
.faq-item button[aria-expanded="true"] span::after {
  transform: rotate(0);
}
.faq-answer {
  padding: 0 var(--space-400) var(--space-300) 0;
  color: var(--color-muted);
}
.faq-answer p {
  margin-bottom: 0;
}
.consultation-form {
  display: grid;
  gap: var(--space-200);
  padding: var(--space-300);
  color: var(--color-ink);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}
.field label {
  display: flex;
  justify-content: space-between;
  gap: var(--space-100);
  margin-bottom: var(--space-75);
  font-size: 0.875rem;
  font-weight: 600;
}
.field label span {
  color: var(--color-error);
  font-size: 0.75rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: var(--space-100);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: white;
}
.field textarea {
  resize: vertical;
}
.field [aria-invalid="true"] {
  border-color: var(--color-error);
}
.field-error {
  min-height: 1.25rem;
  margin: var(--space-50) 0 0;
  color: var(--color-error);
  font-size: 0.75rem;
}
.form-status {
  min-height: 1.5rem;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
}
.site-footer {
  padding-block: var(--space-700) var(--space-300);
  color: white;
  background: #101713;
}
.site-footer__grid {
  display: grid;
  gap: var(--space-400);
}
.site-footer__grid > div > p {
  max-width: 28rem;
  margin-top: var(--space-200);
  color: #aeb9b2;
  font-size: 0.875rem;
}
.site-footer nav {
  display: grid;
  align-content: start;
  gap: var(--space-100);
}
.site-footer nav a {
  color: #dfe5e1;
  font-size: 0.875rem;
}
.brand--footer .brand__mark {
  border-color: white;
}
.brand--footer .brand__mark::before,
.brand--footer .brand__mark::after {
  border-color: white;
}
.brand--footer small {
  color: #aeb9b2;
}
.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-100);
  margin-top: var(--space-500);
  padding-top: var(--space-300);
  border-top: 1px solid rgb(255 255 255 / 18%);
  color: #aeb9b2;
  font-size: 0.75rem;
}
.reveal {
  opacity: 1;
  transform: none;
  filter: none;
}
.reveal.is-pending {
  opacity: 0;
  transform: translateY(4rem);
  filter: blur(0.5rem);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
  transition:
    opacity 900ms var(--ease-out),
    transform 900ms var(--ease-out),
    filter 900ms var(--ease-out);
}
.legal-page {
  min-height: 70vh;
  padding-block: var(--space-800);
  background: var(--color-surface);
}
.legal-page__content {
  max-width: 50rem;
}
.legal-page__lead {
  margin-bottom: var(--space-500);
  color: var(--color-muted);
  font-size: 1.125rem;
}
.legal-page section {
  padding-block: var(--space-300);
  border-top: 1px solid var(--color-line);
}
.legal-page section h2 {
  margin-bottom: var(--space-200);
  font-size: 1.5rem;
}
.legal-page section p {
  margin-bottom: 0;
  color: var(--color-muted);
}
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  color: inherit;
  font-weight: 600;
  text-underline-offset: 0.25rem;
}
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding-block: var(--space-700);
  background: var(--color-paper);
}
.error-page__content {
  max-width: 50rem;
}
.error-page__content > p:not(.eyebrow, .sample-note) {
  max-width: 36rem;
  color: var(--color-muted);
  font-size: 1.125rem;
}
.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-200);
  margin-block: var(--space-400);
}

@media (min-width: 48rem) {
  .container {
    width: min(100% - 4rem, 75rem);
  }
  .section {
    padding-block: var(--space-900);
  }
  .sample-bar p {
    font-size: 0.875rem;
  }
  .menu-button {
    display: none;
  }
  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--space-50);
    padding: 0;
    color: var(--color-ink);
    background: transparent;
  }
  .site-nav > a {
    min-height: 2.5rem;
    padding: var(--space-75);
    border: 0;
    font-size: 0.875rem;
  }
  .site-nav > a:not(.button):hover {
    color: var(--color-wood);
  }
  .hero {
    padding-top: var(--space-800);
  }
  .hero__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-700);
  }
  .hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero__facts p {
    padding-inline: var(--space-300);
    border-right: 1px solid var(--color-line);
    border-bottom: 0;
  }
  .hero__facts p:first-child {
    padding-left: 0;
  }
  .hero__facts p:last-child {
    border-right: 0;
  }
  .work-item {
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
    gap: var(--space-700);
  }
  .work-item--reverse .work-item__media {
    order: 2;
  }
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .strengths__grid,
  .company__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-700);
  }
  .area__grid,
  .consultation__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-800);
  }
  .flow-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .flow-list li {
    grid-template-columns: 1fr;
    padding: var(--space-400);
    border: 1px solid var(--color-line);
    border-right: 0;
  }
  .flow-list li:last-child {
    border-right: 1px solid var(--color-line);
  }
  .faq__grid {
    grid-template-columns: 0.75fr 1.25fr;
    gap: var(--space-800);
  }
  .company-data div {
    grid-template-columns: 7rem 1fr;
    gap: var(--space-200);
  }
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal.is-pending {
    opacity: 1;
    transform: none;
    filter: none;
  }
  .tagline-word {
    color: var(--color-ink);
  }
}