:root {
  --c-bg: #fbf8f2;
  --c-bg-soft: #f3eee4;
  --c-text: #1d2926;
  --c-text-soft: #5a6661;
  --c-primary: #1f5848;
  --c-primary-dark: #143b30;
  --c-primary-soft: #2d7960;
  --c-accent: #c0533a;
  --c-accent-soft: #e09175;
  --c-border: #ddd5c2;
  --c-card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(20, 30, 25, 0.05);
  --shadow-md: 0 8px 24px rgba(20, 30, 25, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 30, 25, 0.14);
  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;
  --max-w: 1180px;
  --max-w-text: 760px;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--c-accent); text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  line-height: 1.4;
  color: var(--c-primary-dark);
  margin: 0 0 0.7em;
  font-weight: 600;
  letter-spacing: 0.01em;
}
h1 { font-size: 2.4rem; }
h2 { font-size: 1.7rem; margin-top: 2.2em; }
h3 { font-size: 1.2rem; margin-top: 1.4em; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.4em; margin: 0 0 1.2em; }
li { margin: 0.25em 0; }
strong { color: var(--c-primary-dark); font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--c-border); margin: 2.5em 0; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.container--text { max-width: var(--max-w-text); margin: 0 auto; padding: 0 1.5rem; }

.site-header {
  background: rgba(251, 248, 242, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(221, 213, 194, 0.6);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.05rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.site-logo {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-primary-dark);
  text-decoration: none;
  line-height: 1;
}
.site-logo small {
  display: block;
  font-size: 0.66rem;
  font-weight: 400;
  font-family: var(--sans);
  color: var(--c-text-soft);
  margin-top: 0.25em;
  letter-spacing: 0.05em;
}
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.5rem; flex-wrap: wrap; }
.site-nav a {
  color: var(--c-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.2em 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--c-primary); }

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  background-color: var(--c-primary-dark);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(20, 59, 48, 0.85) 0%, rgba(31, 88, 72, 0.65) 40%, rgba(192, 83, 58, 0.18) 90%);
}
.hero__inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 6rem 1.5rem 5rem;
  color: #fff;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  border-left: 3px solid var(--c-accent-soft);
  padding-left: 0.9em;
  margin-bottom: 1.2em;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.6vw, 4rem);
  color: #fff;
  margin: 0 0 0.6em;
  line-height: 1.25;
  font-weight: 600;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
}
.hero h1 .accent {
  color: var(--c-accent-soft);
  display: inline-block;
}
.hero p.lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.93);
  max-width: 620px;
  margin: 0 0 2em;
}
.hero .btn-row { gap: 1rem; }
.hero .btn {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(192, 83, 58, 0.35);
}
.hero .btn:hover { background: #a8462f; transform: translateY(-1px); }
.hero .btn--ghost { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.55); color: #fff; box-shadow: none; }
.hero .btn--ghost:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }

.page-header {
  position: relative;
  padding: 5.5rem 0 4rem;
  background: var(--c-bg-soft);
  overflow: hidden;
  isolation: isolate;
}
.page-header__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
.page-header__inner { position: relative; }
.page-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.3em 0 0.3em;
}
.page-header .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 600;
}
.page-header p.lead {
  font-size: 1.05rem;
  color: var(--c-text-soft);
  max-width: 640px;
  margin: 1em 0 0;
}

main { padding: 4rem 0 5rem; }
.section { margin: 0 auto 4.5rem; max-width: var(--max-w-text); padding: 0 1.5rem; }
.section--wide { max-width: var(--max-w); }
.section--centered { text-align: center; }
.section h2 {
  position: relative;
  padding-bottom: 0.4em;
  margin-top: 0;
  margin-bottom: 1em;
}
.section h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--c-accent);
  margin-top: 0.6em;
  border-radius: 2px;
}
.section--centered h2::after { margin-left: auto; margin-right: auto; }
.section__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 600;
  margin-bottom: 0.8em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0 0;
}
.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-accent-soft); }
.card__media {
  aspect-ratio: 16 / 9;
  width: 100%;
  background-size: cover;
  background-position: center;
  background-color: var(--c-primary-soft);
}
.card__body { padding: 1.4rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.card h3 { margin: 0 0 0.4em; font-size: 1.15rem; }
.card .card__kicker {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 600;
  margin-bottom: 0.5em;
}
.card p { color: var(--c-text-soft); font-size: 0.95rem; flex: 1; margin-bottom: 1.2em; }
.card a.more { font-weight: 600; font-size: 0.95rem; text-decoration: none; color: var(--c-primary); }
.card a.more::after { content: " →"; transition: transform 0.2s ease; display: inline-block; }
.card a.more:hover { color: var(--c-accent); }
.card a.more:hover::after { transform: translateX(3px); }

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}
.feature-split--reverse { direction: rtl; }
.feature-split--reverse > * { direction: ltr; }
.feature-split__media {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  background-color: var(--c-primary-soft);
}
.feature-split__body h2 { margin-top: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85em 1.7em;
  background: var(--c-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--c-primary);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(20, 59, 48, 0.18);
}
.btn:hover { background: var(--c-primary-dark); color: #fff; transform: translateY(-1px); }
.btn--accent { background: var(--c-accent); border-color: var(--c-accent); box-shadow: 0 4px 14px rgba(192, 83, 58, 0.28); }
.btn--accent:hover { background: #a8462f; color: #fff; }
.btn--ghost { background: transparent; color: var(--c-primary); border-color: var(--c-primary); box-shadow: none; }
.btn--ghost:hover { background: var(--c-primary); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.5rem; }

table.info {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0 1.5em;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.info th, table.info td {
  text-align: left;
  padding: 1em 1.15em;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.95rem;
  vertical-align: top;
}
table.info th { background: var(--c-bg-soft); width: 35%; color: var(--c-primary-dark); font-weight: 600; font-family: var(--sans); }
table.info tr:last-child th, table.info tr:last-child td { border-bottom: 0; }

.callout {
  background: var(--c-bg-soft);
  border-left: 4px solid var(--c-accent);
  padding: 1.4rem 1.6rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.8rem 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout__title { font-weight: 700; color: var(--c-primary-dark); margin-bottom: 0.4em; display: block; }

.timeline { list-style: none; padding-left: 0; margin: 1.5em 0; }
.timeline li {
  padding: 0.8em 0 0.8em 1.6em;
  border-left: 2px solid var(--c-border);
  position: relative;
  margin-left: 0.5em;
}
.timeline li::before {
  content: "";
  width: 11px;
  height: 11px;
  background: var(--c-accent);
  border-radius: 50%;
  position: absolute;
  left: -6.5px;
  top: 1.3em;
  box-shadow: 0 0 0 3px var(--c-bg);
}
.timeline time {
  display: block;
  font-size: 0.85rem;
  color: var(--c-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.news-list { list-style: none; padding: 0; margin: 1.5em 0; }
.news-list li {
  border-bottom: 1px solid var(--c-border);
  padding: 1.4em 0;
}
.news-list li:last-child { border-bottom: 0; }
.news-list time {
  font-size: 0.82rem;
  color: var(--c-accent);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 0.3em;
  display: block;
}
.news-list .news-title { font-weight: 700; color: var(--c-primary-dark); font-size: 1.05rem; }

.three-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}
.three-pillars__item {
  text-align: center;
  padding: 1.5rem 1rem;
}
.three-pillars__num {
  font-family: var(--serif);
  display: inline-block;
  font-size: 2.2rem;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 0.3em;
  font-weight: 600;
}
.three-pillars__label {
  font-weight: 700;
  color: var(--c-primary-dark);
  margin-bottom: 0.4em;
  font-size: 1.05rem;
}
.three-pillars__body { font-size: 0.92rem; color: var(--c-text-soft); }

.embed-frame {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-card);
  box-shadow: var(--shadow-sm);
  margin: 1.5em 0;
}
.embed-frame iframe { width: 100%; min-height: 820px; border: 0; display: block; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--c-text-soft);
  margin: 0 0 0.6em;
}
.breadcrumb a { color: var(--c-text-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--c-accent); text-decoration: underline; }

.site-footer {
  background: #142420;
  color: rgba(255, 255, 255, 0.78);
  padding: 4rem 0 1.6rem;
  font-size: 0.9rem;
  margin-top: 5rem;
}
.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.site-footer h4 {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: #fff;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 1em;
  font-weight: 600;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0.45em 0; }
.site-footer a { color: rgba(255, 255, 255, 0.78); text-decoration: none; }
.site-footer a:hover { color: var(--c-accent-soft); text-decoration: underline; }
.site-footer .brand-block { font-family: var(--serif); font-size: 1.2rem; color: #fff; margin-bottom: 0.5em; }
.site-footer .copyright {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 880px) {
  .feature-split { grid-template-columns: 1fr; gap: 2rem; }
  .feature-split__media { aspect-ratio: 16 / 10; }
  .three-pillars { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .hero { min-height: 0; }
  .hero__inner { padding: 4.5rem 1.5rem 4rem; }
  .page-header { padding: 4rem 0 3rem; }
  h2 { font-size: 1.45rem; }
  .site-header__inner { padding: 0.8rem 1.2rem; }
  .site-logo { font-size: 1.35rem; }
  .site-nav ul { gap: 1rem; }
  .site-nav a { font-size: 0.88rem; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 1.8rem; }
  table.info th { width: 40%; padding: 0.8em 0.9em; }
  table.info td { padding: 0.8em 0.9em; }
}