:root {
  --sumi: #1c1916;
  --sumi-soft: #2a2520;
  --kinari: #f3eee6;
  --kinari-deep: #e7dfd2;
  --walnut: #6b4634;
  --walnut-deep: #3e291f;
  --brass: #a68456;
  --brass-soft: rgba(166, 132, 86, 0.45);
  --ink: #2a241e;
  --muted: #6d6256;
  --line: rgba(28, 25, 22, 0.14);
  --header: 4.5rem;
  --serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header);
}

section[id] {
  scroll-margin-top: var(--header);
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--kinari);
  background-image:
    radial-gradient(ellipse at 12% -10%, rgba(166, 132, 86, 0.16), transparent 46%),
    repeating-linear-gradient(
      180deg,
      transparent 0 3px,
      rgba(107, 70, 52, 0.018) 3px 4px
    );
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

a:hover {
  color: var(--walnut);
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  transform: translateY(-150%);
  background: var(--sumi);
  color: var(--kinari);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}

.skip:focus {
  transform: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header);
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: rgba(243, 238, 230, 0.96);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.15rem;
}

.site-nav a {
  font-size: 0.84rem;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.site-nav a.is-active,
.site-nav a[aria-current="page"] {
  color: var(--walnut);
  box-shadow: inset 0 -1px 0 var(--brass);
}

.menu-button {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button__lines,
.menu-button__lines::before,
.menu-button__lines::after {
  display: block;
  width: 1.35rem;
  height: 1px;
  background: var(--sumi);
  position: relative;
}

.menu-button__lines::before,
.menu-button__lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-button__lines::before {
  top: -6px;
}

.menu-button__lines::after {
  top: 6px;
}

.menu-button {
  place-items: center;
}

.menu-button[aria-expanded="true"] .menu-button__lines {
  background: transparent;
}

.menu-button[aria-expanded="true"] .menu-button__lines::before,
.menu-button[aria-expanded="true"] .menu-button__lines::after {
  top: 0;
}

.menu-button[aria-expanded="true"] .menu-button__lines::before {
  transform: rotate(40deg);
}

.menu-button[aria-expanded="true"] .menu-button__lines::after {
  transform: rotate(-40deg);
}

.narrow-break {
  display: none;
}

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

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: auto 1fr minmax(16rem, 34vw);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  padding: calc(var(--header) + 3.5rem) clamp(1.25rem, 4vw, 3rem) 4.5rem;
}

.hero__vertical {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  letter-spacing: 0.42em;
  color: var(--walnut);
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--brass);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.45;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 500;
  color: var(--sumi);
}

.lead {
  margin: 1.75rem 0 2rem;
  max-width: 28rem;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: 0.16em;
  font-size: 0.9rem;
  text-decoration: none;
}

.text-link::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--brass);
}

.plate {
  position: relative;
  overflow: hidden;
  margin: 0;
  min-height: 16rem;
  background-color: var(--walnut);
  background-image:
    linear-gradient(100deg, rgba(28, 25, 22, 0.28), transparent 22% 78%, rgba(28, 25, 22, 0.35)),
    repeating-linear-gradient(
      92deg,
      rgba(243, 238, 230, 0.07) 0 1px,
      transparent 1px 11px
    ),
    linear-gradient(160deg, #8d6248 0%, #6b4634 42%, #3e291f 100%);
  box-shadow: inset 0 0 0 1px rgba(243, 238, 230, 0.12);
}

.plate img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plate--hero {
  align-self: stretch;
  min-height: 28rem;
}

.plate--warm {
  background-image:
    linear-gradient(100deg, rgba(28, 25, 22, 0.2), transparent 30% 70%, rgba(28, 25, 22, 0.28)),
    repeating-linear-gradient(
      8deg,
      rgba(243, 238, 230, 0.05) 0 2px,
      transparent 2px 18px
    ),
    linear-gradient(200deg, #a68456 0%, #6b4634 55%, #2a2520 100%);
}

.plate__mark {
  position: absolute;
  right: 1rem;
  bottom: 0.9rem;
  color: rgba(243, 238, 230, 0.78);
  font-family: var(--serif);
  letter-spacing: 0.28em;
  font-size: 0.78rem;
}

.section {
  padding: clamp(4.5rem, 10vw, 8rem) clamp(1.25rem, 4vw, 3rem);
}

.section__head {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section__intro {
  margin: 1rem 0 0;
  color: var(--muted);
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 500;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
}

.pillar {
  padding-top: 1.5rem;
}

.plate--work {
  height: 14rem;
  margin-bottom: 1.75rem;
}

.pillar__index {
  margin: 0 0 0.4rem;
  color: var(--brass);
  font-family: var(--serif);
  letter-spacing: 0.18em;
}

.pillar h3 {
  margin: 0 0 0.8rem;
  font-size: 1.55rem;
}

.pillar > p {
  margin: 0 0 1.5rem;
}

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

.audiences li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.audiences span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--sumi);
  font-family: var(--serif);
  letter-spacing: 0.08em;
}

.section--ink {
  background: var(--sumi);
  color: var(--kinari);
}

.section--ink .eyebrow {
  color: var(--brass);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.steps li {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(243, 238, 230, 0.2);
}

.steps__num {
  display: block;
  margin-bottom: 1.5rem;
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--brass);
}

.steps h3 {
  margin: 0 0 0.6rem;
  font-size: 1.25rem;
}

.steps p {
  margin: 0;
  color: rgba(243, 238, 230, 0.72);
}

.facts {
  margin: 0;
  max-width: 46rem;
  border-top: 1px solid var(--line);
}

.facts > div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.5rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--brass);
  letter-spacing: 0.18em;
  font-size: 0.84rem;
}

.facts dd {
  margin: 0;
}

.facts a {
  text-decoration: none;
}

.facts__map {
  display: inline-block;
  margin-left: 0.8rem;
  color: var(--walnut);
  letter-spacing: 0.14em;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--brass-soft);
}

.section--contact {
  padding-top: 4.5rem;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(107, 70, 52, 0.05), transparent 30%),
    var(--kinari-deep);
}

.contact__note {
  margin: 1.25rem 0 0;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.inquiry {
  max-width: 34rem;
  margin: 2.75rem auto 0;
  text-align: left;
}

.inquiry label {
  display: block;
  margin-bottom: 1.35rem;
}

.inquiry span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--walnut);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
}

.inquiry input,
.inquiry textarea {
  width: 100%;
  padding: 0.75rem 0.15rem;
  border: 0;
  border-bottom: 1px solid rgba(28, 25, 22, 0.28);
  background: transparent;
  color: var(--sumi);
  font: inherit;
  letter-spacing: 0.04em;
}

.inquiry textarea {
  min-height: 9rem;
  resize: vertical;
}

.inquiry button {
  margin-top: 0.4rem;
  padding: 0.85rem 2.5rem;
  border: 1px solid var(--sumi);
  background: var(--sumi);
  color: var(--kinari);
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  cursor: pointer;
}

.inquiry button:hover {
  background: transparent;
  color: var(--sumi);
}

.inquiry__status {
  min-height: 1.5em;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 2.75rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 0;
}

.site-footer__name {
  font-family: var(--serif);
  color: var(--sumi);
  letter-spacing: 0.12em;
}

.site-footer__nav {
  display: flex;
  gap: 3rem;
}

.site-footer__nav div {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer__nav p {
  margin-bottom: 0.35rem;
  color: var(--brass);
  letter-spacing: 0.18em;
}

.site-footer a {
  color: var(--ink);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--walnut);
}

.page-head {
  width: min(46rem, calc(100% - 2.5rem));
  margin: 0 auto 2rem;
  padding-top: 4.5rem;
}

.page-head h1,
.page-head h2 {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0 0 1.25rem;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.page-head h1 span,
.page-head h2 span,
.block-title span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.page-head p {
  margin: 0;
  color: var(--muted);
}

.page-wrap {
  width: min(64rem, calc(100% - 2.5rem));
  margin: 0 auto 5rem;
}

.block-title {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0 0 1.5rem;
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem 1.1rem;
}

.card {
  color: inherit;
  text-decoration: none;
}

.card .plate {
  min-height: 0;
  height: 12rem;
  margin-bottom: 0.85rem;
}

.card h2,
.card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.card p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.home-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  width: min(64rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 5rem 0;
}

.home-services article h2 {
  margin: 0 0 0.8rem;
  font-size: 1.45rem;
  font-weight: 500;
}

.home-services p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.contact-band {
  padding: 4.5rem 1.25rem 5rem;
  text-align: center;
  background: var(--kinari-deep);
}

.contact-band h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
}

.contact-band p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.prose {
  max-width: 40rem;
}

.prose h2,
.prose h3 {
  margin: 2.5rem 0 0.8rem;
  font-size: 1.35rem;
  font-weight: 500;
}

.prose p {
  margin: 0 0 1rem;
}

.steps--page {
  margin-top: 2rem;
}

@media (max-width: 860px) {
  .menu-button {
    display: grid;
    position: relative;
    z-index: 12;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.6rem;
    padding: 5rem 2rem;
    background: var(--kinari);
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 0.35s ease, visibility 0.35s;
  }

  .site-nav.is-open {
    z-index: 11;
    transform: none;
    visibility: visible;
  }

  .narrow-break {
    display: block;
  }

  .site-nav a {
    font-family: var(--serif);
    font-size: 1.7rem;
    letter-spacing: 0.14em;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding-top: calc(var(--header) + 2.5rem);
  }

  .hero__vertical {
    display: none;
  }

  .plate--hero {
    min-height: 0;
    height: 13.5rem;
    order: -1;
  }

  .pillars,
  .steps {
    grid-template-columns: 1fr;
  }

  .facts > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .site-footer,
  .site-footer__nav,
  .home-services,
  .cards {
    flex-direction: column;
    grid-template-columns: 1fr;
  }
}

.about {
  padding-top: 4.5rem;
  scroll-margin-top: var(--header);
}

main > .page-head:first-child {
  padding-top: calc(var(--header) + 3rem);
}

.about__intro {
  width: min(46rem, calc(100% - 2.5rem));
}

.about__block {
  width: min(72rem, calc(100% - 2.5rem));
}

.about__intro,
.about__block {
  margin-inline: auto;
}

.about__intro {
  margin-bottom: 3.5rem;
}

.about h1,
.about h2 {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0 0 1.75rem;
  font-weight: 500;
}

.about h1 {
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  letter-spacing: 0.12em;
}

.about h1 span,
.about h2 span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.about__intro p,
.message p {
  margin: 0 0 1.15rem;
}

.plate--band {
  width: min(64rem, calc(100% - 2.5rem));
  min-height: 0;
  height: clamp(14rem, 28vw, 22rem);
  margin: 0 auto 4.5rem;
}

.about__block {
  margin-bottom: 5.5rem;
}

.about h2 {
  font-size: 1.35rem;
  letter-spacing: 0.14em;
}

.message {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11rem, 15rem);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.plate--portrait {
  min-height: 22rem;
}

.message__sign {
  margin-top: 2rem;
  font-family: var(--serif);
  letter-spacing: 0.12em;
  color: var(--sumi);
}

.profile {
  margin: 0;
  border-top: 1px solid var(--line);
}

.profile > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.5rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.profile dt {
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
}

.profile dd {
  margin: 0;
}

.map {
  background: #fff;
  border: 1px solid var(--line);
}

.map iframe {
  display: block;
  width: 100%;
  height: 22rem;
  border: 0;
}

.map__address {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.map__address a {
  margin-left: 0.8rem;
  color: var(--walnut);
  letter-spacing: 0.12em;
  text-decoration: none;
  border-bottom: 1px solid var(--brass-soft);
}

@media (max-width: 860px) {
  .message,
  .profile > div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .plate--portrait {
    min-height: 0;
    height: 14rem;
  }

  .plate--band {
    min-height: 0;
    height: 12rem;
    margin-bottom: 2.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-nav {
    transition: none;
  }
}