/* subpage-header */
:root {
  --sub-ink: #20231e;
  --sub-deep: #172018;
  --sub-green: #263428;
  --sub-ivory: #f4f0e7;
  --sub-paper: #faf8f2;
  --sub-gold: #9b7b46;
  --sub-gold-light: #c7ad7c;
  --sub-muted: #6c6a62;
  --sub-line: rgba(93, 73, 41, 0.2);
  --sub-shadow: 0 26px 65px rgba(28, 31, 25, 0.14);
  --sub-serif: "Shippori Mincho", "Noto Serif JP", "Yu Mincho", serif;
  --sub-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--sub-ivory);
}

body {
  width: 100%;
  margin: 0;
  padding-top: 71px;
  overflow-x: hidden;
  color: var(--sub-ink);
  background:
    linear-gradient(rgba(155, 123, 70, 0.025) 1px, transparent 1px),
    var(--sub-ivory);
  background-size: 100% 48px;
  font-family: var(--sub-serif);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  color: #fff;
  background: var(--sub-gold);
}

.kansaka-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(155, 123, 70, 0.18);
  background: rgba(248, 246, 239, 0.94);
  box-shadow: 0 8px 30px rgba(28, 31, 25, 0.05);
  backdrop-filter: blur(14px);
}

.kansaka-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(var(--sub-max), 100%);
  min-height: 70px;
  margin: 0 auto;
  padding: 10px 24px;
}

.kansaka-logo {
  flex: 0 0 auto;
}

.kansaka-logo img {
  width: auto;
  height: 42px;
}

.kansaka-nav {
  margin-left: auto;
}

.kansaka-nav ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(20px, 3vw, 42px);
  white-space: nowrap;
}

.kansaka-nav a {
  position: relative;
  display: inline-block;
  padding: 6px 1px;
  color: #30342e;
  font-size: clamp(12px, 1.25vw, 14px);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.kansaka-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--sub-gold);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.kansaka-nav a:hover::after,
.kansaka-nav a:focus-visible::after,
.kansaka-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.fixed-reserve-button {
  position: fixed;
  z-index: 2100;
  right: 24px;
  bottom: 24px;
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  padding: 0;
  border: 1px solid rgba(214, 181, 128, 0.72);
  border-radius: 50%;
  color: #fff;
  background: rgba(74, 40, 22, 0.96);
  box-shadow: 0 14px 36px rgba(48, 24, 12, 0.34);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  backdrop-filter: blur(8px);
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.fixed-reserve-button:hover,
.fixed-reserve-button:focus-visible {
  background: #6b3f24;
  transform: translateY(-4px) scale(1.03);
}

.subpage-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--sub-gold-light);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.28em;
}

.subpage-kicker::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

@media (max-width: 640px) {
  body {
    padding-top: 63px;
  }

  .kansaka-header-inner {
    min-height: 62px;
    padding: 8px 12px;
    gap: 8px;
  }

  .kansaka-logo img {
    height: 29px;
  }

  .kansaka-nav {
    min-width: 0;
  }

  .kansaka-nav .nav-home {
    display: none;
  }

  .kansaka-nav ul {
    gap: clamp(7px, 2.2vw, 12px);
  }

  .kansaka-nav a {
    font-size: clamp(9px, 2.45vw, 11px);
    letter-spacing: 0.03em;
  }

  .fixed-reserve-button {
    right: 14px;
    bottom: 16px;
    width: 68px;
    height: 68px;
    font-size: 11px;
  }
}

@media (max-width: 360px) {
  .kansaka-header-inner {
    padding-inline: 9px;
    gap: 6px;
  }

  .kansaka-logo img {
    height: 25px;
  }

  .kansaka-nav ul {
    gap: 6px;
  }

  .kansaka-nav a {
    font-size: 9px;
    letter-spacing: 0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* subpage-footer */
.footer {
  position: relative;
  z-index: 2000;
  isolation: isolate;
  left: 50%;
  width: 100vw;
  margin-top: clamp(80px, 10vw, 140px);
  margin-left: -50vw;
  padding: 76px max(28px, calc((100vw - var(--sub-max)) / 2)) 64px;
  color: #f5f1e7;
  background: #111713;
  border-top: 1px solid rgba(199, 173, 124, 0.18);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  gap: clamp(36px, 6vw, 90px);
  width: min(var(--sub-max), 100%);
  margin: 0 auto;
}

.footer-heading {
  margin: 0 0 16px;
  padding: 0 0 13px;
  border-bottom: 1px solid rgba(199, 173, 124, 0.32);
  color: var(--sub-gold-light);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.15em;
}

.footer p,
.footer a,
.footer small {
  margin: 0 0 8px;
  color: rgba(245, 241, 231, 0.7);
  font-size: 13px;
  font-weight: 400;
  line-height: 2;
}

.footer a:hover {
  color: #fff;
}

.footer .btn {
  display: inline-block;
  margin: 12px 8px 0 0;
  padding: 10px 18px;
  border: 1px solid rgba(199, 173, 124, 0.44);
  border-radius: 0;
  color: #f5f1e7;
  background: transparent;
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: background-color 0.2s ease;
}

.footer .btn:hover {
  background: rgba(255, 255, 255, 0.07);
}

@media (max-width: 799px) {
  .footer {
    left: auto;
    width: 100%;
    margin-left: 0;
    padding: 60px 26px 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}