/* ── Variables ── */
:root {
  --navy:  #1a2e4a;
  --gold:  #b8973a;
  --gold-light: #d4af5a;
  --white: #ffffff;
  --off-white: #faf9f7;
  --gray-bg: #f4f3f0;
  --text:  #2d2d2d;
  --text-light: #6b6b6b;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Base ── */
body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 32px;
}

.container.narrow {
  max-width: 600px;
}

.center { text-align: center; }

/* ── Hero ── */
.hero-banner {
  width: 100%;
  overflow: hidden;
}

.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── CTA under hero ── */
.cta-under-hero {
  background: var(--navy);
  padding: 48px 32px;
  text-align: center;
}

/* ── Button ── */
.btn {
  display: inline-block;
  text-decoration: none;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 2px;
  transition: background 0.25s, color 0.25s, transform 0.2s;
}

.btn.primary {
  background: var(--gold);
  color: var(--white);
  border: 1px solid var(--gold);
}

.btn.primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-1px);
}

.btn.coming-soon {
  background: transparent;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.25);
  cursor: default;
  letter-spacing: 0.15em;
  font-style: italic;
}

.btn.large {
  padding: 18px 56px;
  font-size: 1rem;
}

/* ── Section label ── */
.section-label {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* ── Divider accent ── */
.section-label::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  margin: 10px auto 0;
}

.center .section-label::after {
  margin: 10px auto 0;
}

/* ── Headings ── */
h2 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--navy);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

h3 {
  font-weight: 500;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 2;
  text-align: left;
}

p:last-child { margin-bottom: 0; }

.container.center.narrow p {
  text-align: center;
}

/* ── Sections ── */
.section {
  padding: 96px 0;
}

.section.white {
  background: var(--white);
}

.section.off-white {
  background: var(--off-white);
}

.section.navy {
  background: var(--navy);
}

.section.navy h2,
.section.navy p,
.section.navy .section-label {
  color: var(--white);
  text-align: center;
}

.section.navy .section-label {
  color: var(--gold-light);
}

.section.navy .section-label::after {
  background: var(--gold-light);
}

/* ── Service grid ── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--white);
  padding: 40px 32px;
  text-align: center;
  border-top: 2px solid var(--gold);
}

.service-card::before {
  display: none;
}

.service-card h3 {
  font-size: 1rem;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.875rem;
  line-height: 1.9;
}

/* ── CTA lead text ── */
.cta-lead {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  text-align: center;
}

/* ── Column grid ── */
.column-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.column-more {
  display: none;
}
.column-more.is-open {
  display: block;
}
.column-more .column-grid {
  margin-top: 32px;
}

.column-toggle-wrap {
  text-align: center;
  margin-top: 40px;
}
.column-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1.5px solid var(--gold);
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 32px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.column-toggle:hover {
  background: var(--gold);
  color: #fff;
}
.column-toggle__icon {
  font-size: 1.1rem;
  line-height: 1;
  color: var(--gold);
  transition: color 0.2s;
}
.column-toggle:hover .column-toggle__icon {
  color: #fff;
}

.column-card {
  background: var(--off-white);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.column-tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 2px 8px;
  white-space: nowrap;
}

.column-card__meta time {
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.column-card__title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  line-height: 1.6;
  margin-bottom: 0;
}

.column-card__excerpt {
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--text-light);
  flex: 1;
  margin-bottom: 0;
}

.column-link {
  font-size: 0.8rem;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.05em;
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.column-link:hover {
  border-bottom-color: var(--gold);
}

/* ── Highlight text ── */
.highlight {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ── Contact CTA ── */
#contact .btn {
  margin-top: 8px;
}

/* ── Footer ── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 32px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 72px 0;
  }

  h2 {
    font-size: 1.25rem;
  }

  .service-grid,
  .column-grid {
    grid-template-columns: 1fr;
  }

  .btn.large {
    padding: 16px 40px;
  }

  .cta-under-hero {
    padding: 40px 20px;
  }
}

/* ── Site Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 32px;
}

.site-header__logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.1rem;
  letter-spacing: 0.25em;
  color: var(--navy);
  text-decoration: none;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav__link {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--gold);
}

.site-nav__link.btn {
  color: var(--white);
  padding: 8px 22px;
  font-size: 0.8rem;
}

.site-nav__link.btn:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--navy);
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: var(--navy);
  padding: 72px 0 64px;
  text-align: center;
}

.page-hero .section-label {
  color: var(--gold-light);
  margin-bottom: 16px;
}

.page-hero .section-label::after {
  background: var(--gold-light);
  margin: 10px auto 0;
}

.page-hero h1 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 1.75rem;
  color: var(--white);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* ── Flow list ── */
.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.flow-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  position: relative;
}

.flow-item:first-child {
  border-top: 1px solid rgba(0,0,0,0.08);
}

.flow-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
  min-width: 32px;
}

.flow-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.flow-item p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ── Profile ── */
.profile-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 56px;
}

.profile-photo {
  width: 200px;
  height: 240px;
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.profile-name-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.profile-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.credential-tag {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--navy);
  border: 1px solid rgba(26,46,74,0.3);
  padding: 3px 10px;
}

/* ── Contact form area ── */
.contact-box {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  padding: 48px;
  max-width: 560px;
  margin: 48px auto 0;
  text-align: center;
}

/* ── Responsive mobile nav ── */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    flex-direction: column;
    padding: 24px 32px;
    gap: 20px;
    align-items: flex-start;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link.btn {
    width: 100%;
    text-align: center;
    display: block;
    padding: 12px 22px;
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .profile-block {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    width: 160px;
    height: 200px;
    margin: 0 auto;
  }

  .page-hero h1 {
    font-size: 1.35rem;
  }

  .contact-box {
    padding: 32px 24px;
  }
}