:root {
  color-scheme: light;
  --ink: #2f2a24;
  --ink-soft: #5f584f;
  --paper: #f7f1e6;
  --paper-deep: #eee4d4;
  --white: #fffdf9;
  --orange: #d36b2e;
  --orange-dark: #a44820;
  --green: #395345;
  --line: rgba(74, 59, 43, 0.18);
  --max: 1160px;
  --content: 760px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
}
:focus-visible { outline: 3px solid rgba(211, 107, 46, 0.5); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--white);
  background: var(--green);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header { background: var(--paper); }
.header-inner {
  width: min(var(--max), calc(100% - 48px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}
.brand {
  flex: 0 0 auto;
  text-decoration: none;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.18rem;
  letter-spacing: 0.14em;
}
.brand span {
  display: block;
  margin-top: 3px;
  color: var(--orange-dark);
  font-family: Georgia, serif;
  font-size: 0.54rem;
  letter-spacing: 0.24em;
}
.header-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.header-nav a {
  padding: 10px 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.header-nav a:hover { color: var(--orange-dark); }

.page-hero { padding: 56px 24px 70px; background: var(--paper); }
.hero-inner { width: min(var(--max), 100%); margin: 0 auto; }
.breadcrumbs { margin-bottom: 58px; color: var(--ink-soft); font-size: 0.73rem; line-height: 1.8; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: "／"; margin-right: 8px; color: rgba(47, 42, 36, 0.38); }
.breadcrumbs a { text-underline-offset: 4px; }
.page-label {
  margin-bottom: 22px;
  color: var(--orange-dark);
  font-family: Georgia, serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
h1 {
  max-width: 16em;
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 5.3vw, 4.8rem);
  line-height: 1.28;
  letter-spacing: 0.04em;
}
.page-deck { max-width: 43rem; margin: 0; color: var(--ink-soft); font-size: 1rem; line-height: 2; }

.content-shell {
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 112px) 0;
  font-size: 1rem;
  line-height: 2;
}
.updated { margin-bottom: 46px; color: var(--ink-soft); font-size: 0.76rem; letter-spacing: 0.06em; }
.content-shell > p { margin-bottom: 1.7em; }
.content-shell h2 { margin: 3em 0 1.15em; font-size: clamp(1.65rem, 3.3vw, 2.35rem); line-height: 1.5; letter-spacing: 0.045em; }
.content-shell h2::before { content: ""; display: block; width: 44px; height: 2px; margin-bottom: 22px; background: var(--orange); }
.content-shell h3 { margin: 2.2em 0 0.75em; font-size: 1.24rem; line-height: 1.6; }
.content-shell ul { margin: 0 0 1.8em; padding-left: 1.25em; }
.content-shell li + li { margin-top: 0.55em; }
.content-shell a { color: var(--orange-dark); text-underline-offset: 4px; }
.info-list { margin: 34px 0; border-top: 1px solid var(--line); }
.info-list > div { padding: 23px 0; display: grid; grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.45fr); gap: 30px; border-bottom: 1px solid var(--line); }
.info-list dt { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.03rem; }
.info-list dd { margin: 0; color: var(--ink-soft); }
.contact-card { margin: 38px 0; padding: 34px 36px; border-left: 3px solid var(--orange); background: var(--paper); }
.contact-card p { margin-bottom: 10px; color: var(--ink-soft); }
.contact-card a { display: inline-block; font-family: Georgia, serif; font-size: clamp(1.08rem, 3.8vw, 1.45rem); overflow-wrap: anywhere; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  padding: 0 22px;
  border: 1px solid var(--green);
  background: var(--green);
  color: var(--white) !important;
  font-size: 0.84rem !important;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.button:hover { color: var(--green) !important; background: transparent; }
.note { margin: 38px 0; padding: 27px 30px; border: 1px solid var(--line); background: #f2eee5; }
.note p:last-child { margin-bottom: 0; }

.site-footer { padding: 58px 24px; color: var(--white); background: #263b31; }
.footer-inner { width: min(var(--max), 100%); margin: 0 auto; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.footer-brand { margin-bottom: 8px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.25rem; letter-spacing: 0.12em; }
.footer-note, .copyright { margin: 0; color: rgba(255, 253, 249, 0.66); font-size: 0.72rem; line-height: 1.7; letter-spacing: 0.08em; }
.footer-utility { display: grid; justify-items: end; gap: 16px; }
.footer-nav ul { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; margin: 0; padding: 0; list-style: none; }
.footer-nav a { color: rgba(255, 253, 249, 0.82); font-size: 0.72rem; letter-spacing: 0.06em; text-underline-offset: 4px; }
.footer-nav a:hover { color: var(--white); }

@media (max-width: 860px) {
  .header-inner { min-height: 78px; }
  .header-nav { display: none; }
}
@media (max-width: 620px) {
  .header-inner { width: calc(100% - 32px); }
  .page-hero { padding: 34px 16px 54px; }
  .breadcrumbs { margin-bottom: 38px; }
  h1 { font-size: clamp(2.2rem, 11vw, 3.2rem); }
  .content-shell { width: calc(100% - 32px); }
  .content-shell h2 { margin-top: 2.6em; }
  .info-list > div { grid-template-columns: 1fr; gap: 7px; }
  .contact-card, .note { padding: 26px 22px; }
  .footer-inner { display: block; }
  .footer-utility { margin-top: 30px; justify-items: start; }
  .footer-nav ul { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }