:root {
  --bg: #F4F2ED;
  --paper: #FFFFFF;
  --ink: #1F2937;
  --accent: #A45C40;
  --dark: #4B5563;
  --muted: #6B7280;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(0,0,0,.04);
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
  width: min(1140px, 93%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(244, 242, 237, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.02);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #A45C40;
  object-fit: cover;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-jp {
  font-weight: 700;
  letter-spacing: .04em;
  color: #A45C40;
}
.brand-en {
  font-size: .72rem;
  color: var(--dark);
}

.nav a {
  margin-left: 22px;
  font-size: .9rem;
  color: var(--dark);
  padding: 6px 10px;
  border-radius: 999px;
}
.nav a.active,
.nav a:hover {
  background: rgba(164,92,64,.12);
  color: #000;
}

.hero {
  padding: 72px 0 54px 0;
}
.hero-bg {
  background: radial-gradient(circle at top, rgba(212,179,150,.35), rgba(244,242,237,1) 45%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .65fr;
  gap: 34px;
  align-items: center;
}
.eyebrow {
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .7rem;
  margin-bottom: 10px;
}
h1 {
  font-size: clamp(2.2rem, 4vw, 2.9rem);
  line-height: 1.05;
  margin-bottom: .7rem;
  letter-spacing: .02em;
}
.lead {
  font-size: 1rem;
  color: var(--dark);
  max-width: 650px;
}
.hero-actions {
  margin-top: 20px;
  display: flex;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
}
.btn.ghost {
  background: rgba(255,255,255,.5);
  color: var(--dark);
  border-color: rgba(0,0,0,.03);
}
.btn.white {
  background: #fff;
  color: var(--accent);
}

.hero-panel {
  background: rgba(255,255,255,.6);
  border: 1px solid rgba(164,92,64,.1);
  border-radius: 18px;
  padding: 22px 20px 18px 20px;
  box-shadow: var(--shadow);
}
.hero-panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
  color: var(--accent);
}
.hero-panel ul {
  padding-left: 1rem;
  margin-bottom: 1rem;
}
.hero-panel ul li {
  margin-bottom: .35rem;
  color: var(--dark);
}
.small {
  font-size: .72rem;
  color: var(--muted);
}

.section {
  padding: 56px 0;
}
.two-cols {
  display: grid;
  grid-template-columns: 1.05fr .75fr;
  gap: 34px;
  align-items: flex-start;
}
h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 1rem;
}
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 20px 22px 20px;
}
.history-card ol {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}
.history-card li {
  margin-bottom: .4rem;
}
.section-toned {
  background: rgba(255,255,255,.4);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.grid-3 .card {
  min-height: 180px;
}
.list {
  list-style: disc;
  padding-left: 1.2rem;
}
.section .middle {
  align-items: center;
}

.cta {
  background: linear-gradient(120deg, #A45C40, #bf7a62);
  color: #fff;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cta h2 {
  margin-bottom: .3rem;
}
.cta .lead {
  color: rgba(255,255,255,.8);
}

.site-footer {
  background: #f1eee8;
  border-top: 1px solid rgba(0,0,0,.03);
  padding: 22px 0 26px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--dark);
}

@media (max-width: 980px) {
  .hero-grid,
  .two-cols,
  .cta-inner {
    grid-template-columns: 1fr;
    display: grid;
  }
  .hero-panel { order: -1; }
  .nav { display: none; }
}

@media (max-width: 620px) {
  h1 { font-size: 2.3rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}