:root {
  --ink: #26231f;
  --muted: #746c63;
  --paper: #f5f0e8;
  --wash: #ebe2d5;
  --clay: #d3b99a;
  --soil: #6f5844;
  --sumi: #1d1c1a;
  --red: #a8402a;
  --stone: #b8b0a5;
  --white: #fffaf2;
  --line: rgba(38, 35, 31, 0.16);
  --shadow: 0 22px 60px rgba(38, 35, 31, 0.15);
  --radius: 8px;
  --max: 1180px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-bottom: 42px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0;
}
body.is-locked { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

.demo-strip,
.demo-bottom {
  background: rgba(29, 28, 26, 0.94);
  color: var(--white);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  padding: 7px 14px;
}
.demo-bottom {
  position: fixed;
  inset: auto 0 0;
  z-index: 90;
  border-top: 1px solid rgba(255, 250, 242, 0.2);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(245, 240, 232, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-inner {
  width: min(1280px, calc(100% - 34px));
  min-height: 78px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  min-width: 236px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--red);
  border-radius: 50%;
  font-family: var(--serif);
  font-weight: 700;
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.25;
}
.brand small {
  display: block;
  color: var(--soil);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.site-nav {
  margin-left: auto;
  display: flex;
  gap: 2px;
  align-items: center;
}
.site-nav a {
  padding: 11px 10px;
  border-radius: 999px;
  color: var(--soil);
  font-size: 14px;
  font-weight: 700;
  transition: 0.2s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--sumi);
  color: var(--white);
}
.nav-instagram { color: var(--red) !important; }
.nav-instagram:hover { background: var(--red) !important; color: var(--white) !important; }
.footer-inner nav a.nav-instagram { color: var(--red); }
.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  border: 1px solid var(--sumi);
  border-radius: 999px;
  color: var(--sumi);
  background: var(--white);
  font-weight: 800;
  line-height: 1.25;
  box-shadow: 0 12px 32px rgba(38, 35, 31, 0.12);
}
.header-cta,
.button.dark {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}
.button.ghost {
  color: var(--white);
  border-color: rgba(255, 250, 242, 0.72);
  background: rgba(255, 250, 242, 0.12);
  box-shadow: none;
}
.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: var(--sumi);
}
.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--sumi);
}
.hero-image,
.page-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-shade,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(29,28,26,0.83), rgba(29,28,26,0.52) 46%, rgba(29,28,26,0.08)),
    linear-gradient(0deg, rgba(29,28,26,0.72), transparent 44%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto 122px;
  color: var(--white);
}
.eyebrow {
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--soil);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: currentColor;
}
.eyebrow.light { color: #ead9c3; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  line-height: 1.25;
  letter-spacing: 0;
}
.hero h1 {
  max-width: 720px;
  font-size: clamp(52px, 9vw, 112px);
  font-weight: 600;
}
.hero-lead {
  max-width: 680px;
  margin: 24px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  color: rgba(255, 250, 242, 0.9);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero-panel {
  position: absolute;
  right: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 26px;
  z-index: 3;
  width: min(520px, calc(100% - 48px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255, 250, 242, 0.94);
  border: 1px solid rgba(255, 250, 242, 0.6);
  box-shadow: var(--shadow);
}
.hero-panel dl {
  margin: 0;
  padding: 20px;
  border-right: 1px solid var(--line);
}
.hero-panel dl:last-child { border-right: 0; }
.hero-panel dt {
  color: var(--soil);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.hero-panel dd {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
}

.section { padding: 96px 0; }
.section.clay { background: var(--wash); }
.section.stone { background: #d8d1c7; }
.intro-section { border-bottom: 1px solid var(--line); }
.two-col {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: start;
}
.two-col h2,
.feature-row h2,
.section-head h2,
.cta-section h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 600;
}
.note,
.contact-note {
  color: #7b5735;
  background: rgba(211, 185, 154, 0.3);
  border-left: 4px solid var(--clay);
  padding: 14px 16px;
}
.section-head {
  max-width: 790px;
  margin-bottom: 40px;
}
.reason-grid,
.service-grid,
.works-grid,
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.reason-grid article,
.price-grid article,
.faq-list details,
.contact-side,
.news-list a,
.article-layout aside {
  background: rgba(255, 250, 242, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(38, 35, 31, 0.08);
}
.reason-grid article,
.price-grid article {
  padding: 30px;
}
.reason-grid span {
  color: var(--soil);
  font-family: var(--serif);
  font-size: 38px;
}
.reason-grid h3,
.service-card h3 {
  margin-top: 8px;
  font-size: 24px;
}
.feature-row {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.photo-card {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.photo-card img,
.service-card img,
.works-grid img,
.article-layout aside img,
.contact-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.text-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--soil);
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}
.service-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.service-card img { aspect-ratio: 4 / 3; }
.service-card div { padding: 24px; }
.works-grid a {
  overflow: hidden;
  min-height: 370px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.works-grid a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.works-grid img {
  aspect-ratio: 16 / 11;
}
.works-grid span,
.works-grid strong {
  padding-inline: 22px;
}
.works-grid span {
  margin-top: 18px;
  color: var(--soil);
  font-size: 13px;
  font-weight: 800;
}
.works-grid strong {
  padding-bottom: 24px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-list details {
  padding: 22px 26px;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}
.cta-section {
  padding: 88px 0;
  color: var(--white);
  background:
    linear-gradient(rgba(29, 28, 26, 0.82), rgba(29, 28, 26, 0.88)),
    url("../images/hero.png") center/cover;
}
.cta-inner {
  max-width: 860px;
  text-align: center;
}
.cta-inner .eyebrow { justify-content: center; }
.site-footer {
  background: var(--sumi);
  color: var(--white);
}
.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
  padding: 54px 0 82px;
  display: flex;
  justify-content: space-between;
  gap: 32px;
}
.footer-inner strong {
  font-family: var(--serif);
  font-size: 24px;
}
.footer-inner p { color: rgba(255, 250, 242, 0.72); }
.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}
.footer-inner a { color: rgba(255, 250, 242, 0.86); }

.page-hero {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--sumi);
}
.page-hero.compact { min-height: 300px; }
.page-hero > div {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0;
}
.page-hero h1 {
  max-width: 820px;
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 600;
}
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
}
.info-table th,
.info-table td {
  padding: 19px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.info-table th {
  width: 190px;
  color: var(--soil);
}
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 0;
  list-style: none;
}
.flow-list li {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.price-grid article p {
  font-family: var(--serif);
  font-size: 30px;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.filter-row button {
  min-height: 42px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
}
.filter-row button.is-active {
  color: var(--white);
  background: var(--sumi);
}
.article-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
}
.article-layout article {
  min-width: 0;
}
.article-layout h2 { font-size: clamp(30px, 4vw, 50px); }
.article-layout h3 { margin-top: 34px; font-size: 26px; }
.article-layout blockquote {
  margin: 32px 0;
  padding: 22px;
  background: var(--wash);
  border-left: 4px solid var(--soil);
}
.article-layout aside,
.contact-side {
  align-self: start;
  padding: 20px;
}
.article-layout aside img,
.contact-side img {
  aspect-ratio: 4 / 3;
  border-radius: 6px;
}
.article-layout dl { margin: 18px 0 0; }
.article-layout dt {
  color: var(--soil);
  font-weight: 800;
}
.article-layout dd {
  margin: 0 0 12px;
}
.news-list {
  display: grid;
  gap: 16px;
}
.news-list a {
  display: grid;
  grid-template-columns: 130px 100px 1fr;
  gap: 16px;
  align-items: center;
  padding: 22px 26px;
}
.news-list time,
.news-list span {
  color: var(--soil);
  font-weight: 800;
}
.pagination,
.post-nav {
  display: flex;
  gap: 10px;
  margin-top: 26px;
}
.pagination a,
.pagination b,
.post-nav a {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}
.contact-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--soil);
  font-weight: 800;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--white);
  color: var(--ink);
}

@media (max-width: 1060px) {
  .header-cta { display: none; }
  .menu-button { display: block; }
  .site-nav {
    position: fixed;
    inset: 124px 14px auto;
    z-index: 90;
    margin: 0;
    padding: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { border-radius: 6px; }
  .reason-grid,
  .service-grid,
  .works-grid,
  .price-grid,
  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .container,
  .header-inner,
  .footer-inner,
  .page-hero > div,
  .hero-content {
    width: min(100% - 28px, var(--max));
  }
  .brand { min-width: 0; }
  .brand strong { font-size: 16px; }
  .brand small { font-size: 9px; }
  .hero {
    display: block;
    min-height: auto;
    padding: 150px 0 28px;
  }
  .hero-content { margin-bottom: 0; }
  .hero h1 { font-size: 50px; }
  .hero-panel {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    width: calc(100% - 28px);
    margin: 34px auto 0;
    grid-template-columns: 1fr;
  }
  .hero-panel dl {
    padding: 12px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .hero-panel dl:last-child { border-bottom: 0; }
  .section { padding: 68px 0; }
  .two-col,
  .feature-row,
  .article-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .reason-grid,
  .service-grid,
  .works-grid,
  .price-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    padding-bottom: 90px;
  }
  .page-hero { min-height: 330px; }
  .page-hero h1 { font-size: 38px; }
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 13px 16px;
  }
  .news-list a {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}