:root {
  --bg: #070b12;
  --panel: #0f1725;
  --panel-soft: #152033;
  --text: #f2f5fa;
  --muted: #aab6ca;
  --line: #2b374b;
  --gold: #c8a469;
  --gold-soft: #ead4ad;
  --max: 1140px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  color: var(--text);
  font-family: "Avenir Next", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.75;
  background:
    radial-gradient(circle at 8% -5%, rgba(200, 164, 105, 0.18), transparent 42%),
    radial-gradient(circle at 94% 0%, rgba(72, 116, 188, 0.18), transparent 45%),
    var(--bg);
}

.container {
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 11, 18, 0.84);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid rgba(200, 164, 105, 0.22);
}

.header-row {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: inherit;
  margin-right: auto;
}

.brand-main {
  display: block;
  font-family: "Times New Roman", serif;
  letter-spacing: 0.15em;
  font-size: 1.3rem;
  color: var(--gold-soft);
}

.brand-sub {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.84rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
}

.lang-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.72rem;
  padding: 0.3rem 0.58rem;
  cursor: pointer;
}

.lang-btn.is-active {
  color: #111;
  border-color: var(--gold);
  background: linear-gradient(140deg, var(--gold-soft), var(--gold));
}

.section {
  padding: 5rem 0;
}

.section-line {
  border-bottom: 1px solid var(--line);
}

.hero {
  padding-top: 6rem;
}

.hero-grid {
  background: linear-gradient(165deg, rgba(21, 32, 51, 0.75), rgba(12, 18, 30, 0.75));
  border: 1px solid rgba(200, 164, 105, 0.28);
  border-radius: 16px;
  padding: clamp(1.2rem, 3vw, 2.2rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold-soft);
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.35;
  font-weight: 500;
}

h1 {
  font-size: clamp(2rem, 4.7vw, 3.9rem);
  max-width: 14ch;
  font-family: "Times New Roman", serif;
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  max-width: 22ch;
}

.lead {
  margin: 1.1rem 0 1.8rem;
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-plain {
  display: inline-block;
  text-decoration: none;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-size: 0.88rem;
}

.btn-primary {
  background: linear-gradient(140deg, var(--gold-soft), var(--gold));
  color: #111;
  font-weight: 700;
}

.btn-plain {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(15, 23, 37, 0.5);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.two-col p {
  margin: 0;
  color: var(--muted);
}

.two-col p + p {
  margin-top: 1rem;
}

.service-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.service-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 1rem;
  row-gap: 0.45rem;
  padding: 1.05rem;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(21, 32, 51, 0.68), rgba(12, 18, 30, 0.8));
  border-radius: 12px;
}

.item-no {
  grid-row: 1 / span 2;
  margin: 0;
  color: var(--gold-soft);
  font-family: "Times New Roman", serif;
  font-size: 1.02rem;
}

.service-item p:last-child {
  margin: 0;
  color: var(--muted);
}

.fee-intro {
  margin: 0.9rem 0 1.1rem;
  color: var(--muted);
  max-width: 78ch;
}

.fee-table-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(170deg, rgba(21, 32, 51, 0.66), rgba(12, 18, 30, 0.78));
}

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

.fee-table th,
.fee-table td {
  text-align: left;
  padding: 0.95rem 1rem;
  vertical-align: top;
}

.fee-table th {
  color: var(--gold-soft);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 22, 0.65);
}

.fee-table tbody tr + tr td {
  border-top: 1px solid var(--line);
}

.fee-table td strong {
  color: var(--gold-soft);
  font-weight: 700;
}

.fee-note {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.faq-list {
  margin-top: 1.4rem;
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(170deg, rgba(21, 32, 51, 0.62), rgba(12, 18, 30, 0.74));
  padding: 1rem 1.1rem;
}

.faq-item h3 {
  font-size: 1.05rem;
  color: var(--gold-soft);
}

.faq-item p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1.2rem;
  align-items: start;
  border: 1px solid rgba(200, 164, 105, 0.28);
  border-radius: 14px;
  padding: 1.4rem;
  background: linear-gradient(160deg, rgba(21, 32, 51, 0.75), rgba(10, 16, 27, 0.82));
}

.contact-row p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.contact-details {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.contact-details p {
  margin: 0;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 0.45rem;
}

.contact-details span {
  color: var(--gold-soft);
}

.contact-details a {
  color: var(--text);
}

.site-footer {
  padding: 1.6rem 0 2.4rem;
}

.footer-row {
  color: var(--muted);
}

@media (max-width: 980px) {
  .two-col,
  .service-grid,
  .contact-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 1.4rem, var(--max));
  }

  nav {
    display: none;
  }

  .brand-sub {
    display: none;
  }

  .section {
    padding: 3.6rem 0;
  }

  h1 {
    max-width: none;
  }

  .service-item {
    grid-template-columns: 44px 1fr;
  }

  .fee-table th,
  .fee-table td {
    padding: 0.72rem 0.68rem;
    font-size: 0.9rem;
  }

  .fee-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}