:root {
  --bg: #f7f3e8;
  --cream: #fffaf0;
  --green: #28351f;
  --brown: #2f271c;
  --gold: #b7791f;
  --light-gold: #f4d37a;
  --text: #2f271c;
  --muted: #665a48;
  --white: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 243, 232, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(47, 39, 28, 0.1);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--light-gold);
  display: grid;
  place-items: center;
  font-size: 24px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
}

.brand strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  display: block;
  font-size: 12px;
  color: #7b6b4f;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav {
  display: flex;
  gap: 24px;
  font-weight: 700;
  color: #5d503d;
  font-size: 14px;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-switch button {
  border: 1px solid rgba(74, 42, 10, .18);
  background: rgba(255, 255, 255, .65);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-weight: 700;
}

.lang-switch button.active,
.lang-switch button:hover {
  background: var(--brown);
  color: var(--white);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 96px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(75px);
  opacity: .42;
}

.hero::before {
  width: 360px;
  height: 360px;
  background: #d9ef9f;
  left: -100px;
  top: 60px;
}

.hero::after {
  width: 430px;
  height: 430px;
  background: #f4d37a;
  right: -90px;
  top: 25px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, .68);
  border: 1px solid rgba(74, 42, 10, .12);
  padding: 9px 16px;
  border-radius: 999px;
  color: #6a5b43;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .05);
}

h1 {
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.12;
  margin: 22px 0;
  letter-spacing: -.03em;
}

h1 em {
  display: block;
  color: var(--gold);
  font-style: normal;
}

.lead {
  font-size: 18px;
  color: #5e5343;
  max-width: 620px;
}

.buttons {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .08);
}

.btn.primary {
  background: #4a2a0a;
  color: var(--white);
}

.btn.secondary {
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(74, 42, 10, .18);
  color: #4a2a0a;
}

.logo-card {
  margin: 0;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 32px;
  padding: 26px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, .14);
}

.logo-card img {
  width: 100%;
  border-radius: 24px;
  display: block;
  object-fit: contain;
}

.section {
  padding: 76px 0;
}

.section-light {
  background: rgba(255, 255, 255, .55);
}

.section-kicker {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .28em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h2 {
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.25;
  margin: 0 0 18px;
}

.section-center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.2fr;
  gap: 42px;
  align-items: start;
}

.info-box,
.card,
.contact-box {
  background: var(--cream);
  border: 1px solid rgba(74, 42, 10, .1);
  border-radius: 28px;
  padding: 30px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .05);
}

dl {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px 18px;
  margin: 0;
}

dt {
  font-weight: 900;
  color: #4a2a0a;
}

dd {
  margin: 0;
  color: #574d3d;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 38px;
}

.card {
  background: rgba(255, 255, 255, .78);
  transition: transform .2s, box-shadow .2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .1);
}

.icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--light-gold);
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 15px;
}

.card h3,
.value-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card p,
.value-card p {
  margin: 0;
  color: var(--muted);
}

.values {
  background: var(--green);
  color: var(--white);
}

.values .section-kicker {
  color: var(--light-gold);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 38px;
}

.value-card {
  background: rgba(255, 255, 255, .10);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .1);
}

.value-card p {
  color: rgba(255, 255, 255, .76);
}

.contact-box {
  background: var(--white);
  border-radius: 32px;
  padding: 42px;
  box-shadow: 0 24px 55px rgba(0, 0, 0, .1);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 26px;
}

.contact-card {
  background: var(--bg);
  border-radius: 20px;
  padding: 20px;
}

.contact-card strong {
  display: block;
  margin-bottom: 8px;
  color: #4a2a0a;
}

footer {
  background: var(--brown);
  color: rgba(255, 255, 255, .7);
  text-align: center;
  padding: 30px 20px;
  font-size: 14px;
}

[data-lang] { display: none; }
[data-lang].active { display: inline; }
p [data-lang].active,
h1 [data-lang].active,
h2 [data-lang].active,
a [data-lang].active { display: inline; }

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .service-grid,
  .values-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-wrap {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 46px;
  }

  dl {
    grid-template-columns: 1fr;
  }
}