:root {
  --navy-950: #081628;
  --navy-900: #0d2444;
  --navy-800: #12305a;
  --red-700: #a01830;
  --red-600: #c41e3a;
  --gold-500: #d4a574;
  --gold-300: #e8c99a;
  --cream-100: #f6f5f0;
  --sand-200: #f3e7c8;
  --ink-900: #1b1d21;
  --ink-600: #555861;
  --white: #fff;
  --border: rgba(13, 36, 68, .12);
  --shadow-sm: 0 5px 18px rgba(8, 22, 40, .07);
  --shadow-md: 0 18px 50px rgba(8, 22, 40, .12);
  --container: min(1200px, calc(100% - 40px));
  --header-height: 68px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --transition: 220ms cubic-bezier(.2, .8, .2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding-top: var(--header-height);
  background: var(--cream-100);
  color: var(--ink-900);
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

a { color: inherit; }

button, input, select, textarea { font: inherit; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--gold-300);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  padding: 10px 16px;
  border-radius: 9px;
  background: var(--white);
  color: var(--navy-900);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform var(--transition);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid rgba(212, 165, 116, .24);
  background: rgba(13, 36, 68, .97);
  color: var(--white);
  backdrop-filter: blur(14px) saturate(150%);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 22, 40, .98);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .18);
}

.header-container {
  width: var(--container);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo, .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.site-logo img, .footer-logo img {
  flex: 0 0 auto;
  border: 2px solid var(--red-600);
  border-radius: 50%;
  background: var(--white);
  object-fit: cover;
}

.site-logo-text strong, .site-logo-text small,
.footer-logo strong, .footer-logo small { display: block; }

.site-logo-text strong { font-size: 15px; line-height: 1.35; }

.site-logo-text small {
  margin-top: 2px;
  color: rgba(255, 255, 255, .58);
  font-size: 10px;
  letter-spacing: .09em;
}

.site-navigation ul {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-navigation a {
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, .84);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.site-navigation a:hover { background: rgba(255, 255, 255, .09); color: var(--white); }

.site-navigation a.active {
  background: var(--red-600);
  color: var(--white);
  box-shadow: 0 5px 18px rgba(196, 30, 58, .36);
}

.menu-button {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 10px;
  background: rgba(255, 255, 255, .07);
  color: var(--white);
  cursor: pointer;
}

.menu-button-label { font-size: 12px; font-weight: 700; }

.menu-button-icon,
.menu-button-icon::before,
.menu-button-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.menu-button-icon { position: relative; }
.menu-button-icon::before, .menu-button-icon::after { content: ''; position: absolute; left: 0; }
.menu-button-icon::before { top: -6px; }
.menu-button-icon::after { top: 6px; }

.site-footer {
  padding: clamp(52px, 7vw, 82px) 0 28px;
  border-top: 1px solid rgba(212, 165, 116, .2);
  background: var(--navy-950);
  color: rgba(255, 255, 255, .7);
}

.footer-container { width: var(--container); margin: 0 auto; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr .8fr 1.1fr .8fr;
  gap: clamp(30px, 5vw, 64px);
  padding-bottom: 48px;
}

.footer-logo { color: var(--white); }
.footer-logo strong { font-size: 14px; }
.footer-logo small { color: rgba(255, 255, 255, .55); font-size: 10px; }
.footer-brand > p { max-width: 340px; margin: 20px 0 0; font-size: 13px; line-height: 1.85; }

.footer-column h2 {
  margin: 5px 0 17px;
  color: var(--gold-300);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.footer-column ul { margin: 0; padding: 0; list-style: none; }
.footer-column li + li { margin-top: 9px; }
.footer-column a { font-size: 13px; text-decoration: none; transition: color var(--transition); }
.footer-column a:hover { color: var(--white); }
.footer-contact p { margin: 0 0 12px; font-size: 13px; line-height: 1.8; }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  color: rgba(255, 255, 255, .42);
  font-size: 11px;
}

.footer-bottom p { margin: 0; }

.content-container { width: var(--container); margin-inline: auto; }

.section-heading {
  color: var(--navy-900);
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 4.5vw, 48px);
  line-height: 1.35;
  letter-spacing: -.025em;
}

.eyebrow {
  color: var(--red-600);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .site-logo-text small { display: none; }
  .menu-button { display: inline-flex; }
  .site-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 12px 20px 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    background: rgba(8, 22, 40, .99);
  }
  .site-navigation.open { display: block; }
  .site-navigation ul { align-items: stretch; flex-direction: column; }
  .site-navigation a { padding: 11px 14px; border-radius: 10px; text-align: center; }
}

@media (max-width: 560px) {
  :root { --container: min(100% - 28px, 1200px); }
  .site-logo img { width: 40px; height: 40px; }
  .site-logo-text strong { max-width: 210px; font-size: 12px; }
  .menu-button-label { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}