:root {
  --bg: #f3efe7;
  --paper: #faf7f2;
  --ink: #1c1915;
  --muted: #5c564d;
  --line: #ddd4c6;
  --accent: #8e3a22;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.8;
}

[hidden] { display: none !important; }

a { color: inherit; }

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

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.4rem 0.7rem;
  z-index: 5;
}

.skip:focus { top: 0.6rem; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem 2rem;
  padding: 1.35rem 7vw 1.1rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 92%, white);
  z-index: 3;
}

.logo {
  display: block;
  line-height: 0;
  text-decoration: none;
}

.logo img {
  display: block;
  height: 1.7rem;
  width: auto;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.35rem;
}

nav a {
  text-decoration: none;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--accent);
}

main { padding: 0 7vw 5.5rem; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(14rem, 0.7fr);
  gap: 3.5rem;
  padding: 5.2rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 1.1rem;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, .serif {
  font-family: "Iowan Old Style", Palatino, "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 500;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 4.6vw, 4.15rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-wrap: pretty;
}

.lede {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  color: var(--muted);
}

.hero-side {
  align-self: end;
  margin: 0;
  padding: 0.2rem 0 0.2rem 1.4rem;
  border-left: 1px solid var(--line);
}

.hero-side div + div { margin-top: 1.15rem; }

.hero-side dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.hero-side dd {
  margin: 0.15rem 0 0;
}

.section { padding-top: 3.6rem; }

.section h2 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
}

.index {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.index li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.5rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.index span {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.index a { text-decoration: none; }

.index a:hover { color: var(--accent); }

.page-intro {
  max-width: 44rem;
  padding: 4.4rem 0 0.5rem;
}

.page-intro h1 { font-size: clamp(2.1rem, 4vw, 3.3rem); }

.facts, .values {
  margin: 2rem 0 0;
  padding: 0;
}

.facts div, .values li {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 1rem 1.5rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
}

.facts dt, .values .name {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.facts dd, .values p { margin: 0; }

.values { list-style: none; }

.en {
  font-family: "Iowan Old Style", Palatino, "Times New Roman", serif;
  letter-spacing: 0.04em;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(15rem, 0.75fr);
  gap: 3.5rem;
  align-items: start;
  padding-top: 1.5rem;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
}

.req { color: var(--accent); }

input, textarea {
  width: 100%;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

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

button {
  justify-self: start;
  margin-top: 0.3rem;
  padding: 0.8rem 1.5rem;
  border: 0;
  background: var(--ink);
  color: var(--bg);
  font: inherit;
  letter-spacing: 0.08em;
  cursor: pointer;
}

button:hover { background: var(--accent); }

.form-error { margin: 0; color: var(--accent); }

.form-done {
  margin-top: 0.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.45rem;
  line-height: 1.5;
}

.aside p { margin: 0 0 0.8rem; }

.note { color: var(--muted); font-size: 0.92rem; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
  padding: 1.4rem 7vw 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}

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

.site-footer p { margin: 0; }

@media (max-width: 800px) {
  h1 { font-size: 1.65rem; }
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { justify-content: flex-start; }
  .hero, .contact-grid, .facts div, .values li { grid-template-columns: 1fr; }
  .hero { gap: 2rem; padding-top: 3rem; }
  .hero-side { padding: 1.1rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  main { padding-bottom: 3.5rem; }
}