* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, sans-serif;
  color: #111111;
  line-height: 1.9;
  background: #ffffff;
  letter-spacing: 0.02em;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #111111;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: #111111;
  transition: opacity 0.3s ease;
}

.nav-list a:hover {
  opacity: 0.55;
}

/* hero */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, #FFF9E6 100%);
  padding: 120px 0 110px;
}

.hero-inner {
  display: block;
  text-align: center;
}

.hero-label {
  margin: 0 0 18px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: #9c8450;
  font-weight: 600;
}

.hero-title {
  margin: 0 0 28px;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
}


.hero-text {
  margin: 0 auto 14px;
  max-width: 700px;
  color: #3a3324;
  font-size: 1rem;
  text-align: center;
}

.hero-text-sub {
  margin-bottom: 34px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.btn-dark {
  background: #111111;
  color: #ffffff;
  border: 1px solid #111111;
}

.btn-dark:hover {
  background: #2a2a2a;
  border-color: #2a2a2a;
}

.btn-outline {
  background: transparent;
  color: #111111;
  border: 1px solid #bca66a;
}

.btn-outline:hover {
  background: rgba(188, 166, 106, 0.08);
}

/* section */
.section {
  padding: 110px 0;
}

.section-white {
  background: #ffffff;
}

.section-light {
  background: #FFF9E6;
}

.section-dark {
  background: #111111;
}

.section-heading {
  margin-bottom: 54px;
}

.section-heading.center {
  text-align: center;
}

.section-label {
  margin: 0 0 12px;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: #9c8450;
  font-weight: 600;
}

.section-label-dark {
  color: #d8c28d;
}

.section-title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #111111;
}

.section-title-dark {
  color: #ffffff;
}

/* text block */
.text-block {
  text-align: center;
}

.text-block p {
  margin: 0 0 22px;
  color: #3a3324;
  font-size: 1.02rem;
}

.text-block p:last-child {
  margin-bottom: 0;
}

.text-block-dark p {
  color: rgba(255, 255, 255, 0.88);
}

.message-name {
  margin-top: 30px;
  color: #d8c28d !important;
  letter-spacing: 0.08em;
}

/* cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  padding: 38px 32px;
  background: #ffffff;
  border: 1px solid rgba(17, 17, 17, 0.08);
  min-height: 100%;
}

.feature-card {
  background: rgba(255, 255, 255, 0.45);
  border-top: 1px solid #bca66a;
}

.card-number {
  margin: 0 0 18px;
  color: #bca66a;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
}

.card h3 {
  margin: 0 0 16px;
  font-size: 1.28rem;
  font-weight: 500;
  line-height: 1.5;
  color: #111111;
}

.card p:last-child {
  margin-bottom: 0;
  color: #4a4333;
}

/* company */
.company-wrap {
  border-top: 1px solid #111111;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 24px 8px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 26%;
  font-weight: 600;
  color: #111111;
}

.company-table td {
  color: #4a4333;
}

/* contact */
.contact-block > p {
  margin: 0 0 16px;
}

.contact-info {
  margin-top: 34px;
}

.contact-info p {
  margin: 8px 0;
  font-size: 1.05rem;
  color: #111111;
  letter-spacing: 0.04em;
}

/* footer */
.site-footer {
  background: #111111;
  color: #ffffff;
  padding: 44px 0;
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  margin: 0 0 10px;
  font-size: 1.25rem;
  letter-spacing: 0.24em;
  color: #d8c28d;
}

.footer-company,
.footer-address,
.copyright {
  margin: 6px 0;
  color: rgba(255, 255, 255, 0.78);
}

.copyright {
  margin-top: 14px;
  font-size: 0.88rem;
}

/* responsive */
@media (max-width: 960px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .nav-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 18px;
  }

  .company-table th {
    width: 34%;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(100% - 24px, 1120px);
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    padding: 92px 0 82px;
  }

  .hero-title {
    font-size: 2.3rem;
  }

  .hero-text {
    font-size: 0.96rem;
  }

  .btn {
    width: 100%;
    min-width: auto;
  }

  .card {
    padding: 28px 22px;
  }

  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th,
  .company-table td {
    padding: 14px 0;
  }

  .company-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }

  .company-table td {
    padding-top: 0;
  }
}

.hero-sub {
  font-size: 20px;
  display: block;
  margin-bottom: 10px;
  letter-spacing: 1px;
}