.preb-page {
  --preb-ink: #171716;
  --preb-charcoal: #343330;
  --preb-ivory: #f7f5f0;
  --preb-warm-white: #fcfbf8;
  --preb-line: rgba(23, 23, 22, 0.16);
  --preb-muted: #6d6b65;
  background: var(--preb-warm-white);
  color: var(--preb-ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.045em;
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
}

.preb-page *,
.preb-page *::before,
.preb-page *::after { box-sizing: border-box; }
.preb-page a { color: inherit; text-decoration: none; }
.preb-page img { display: block; height: auto; max-width: 100%; }
.preb-page h1,
.preb-page h2,
.preb-page h3,
.preb-page p { margin-top: 0; }
.preb-page button,
.preb-page a { -webkit-tap-highlight-color: transparent; }
.preb-page :focus-visible { outline: 2px solid #171716; outline-offset: 4px; }

.preb-header {
  align-items: center;
  display: grid;
  gap: clamp(24px, 4vw, 64px);
  grid-template-columns: auto 1fr auto;
  left: 0;
  padding: 22px clamp(28px, 5vw, 78px);
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 20;
}

.preb-brand { display: inline-flex; flex-direction: column; line-height: 1.2; }
.preb-brand__name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 3.3vw, 48px);
  font-weight: 400;
  letter-spacing: 0.08em;
}
.preb-brand__sub { font-size: 11px; letter-spacing: 0.08em; margin-top: 8px; }
.preb-nav { align-items: center; display: flex; gap: clamp(20px, 2.6vw, 44px); justify-content: flex-end; }
.preb-nav a { font-size: 12px; padding: 12px 0; position: relative; white-space: nowrap; }
.preb-nav a::after { background: currentColor; bottom: 6px; content: ""; height: 1px; left: 0; position: absolute; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; width: 100%; }
.preb-nav a:hover::after,
.preb-nav a[aria-current="page"]::after { transform: scaleX(1); }

.preb-line-button {
  align-items: center;
  background: #151515;
  border: 1px solid #151515;
  color: #fff !important;
  display: inline-flex;
  font-size: 12px;
  justify-content: center;
  letter-spacing: 0.08em;
  min-height: 48px;
  padding: 10px 22px;
  transition: background .2s ease, color .2s ease;
}
.preb-line-button:hover { background: transparent; color: #151515 !important; }
.preb-menu-button { display: none; }

.preb-footer {
  background: var(--preb-ivory);
  border-top: 1px solid var(--preb-line);
  display: grid;
  gap: clamp(32px, 5vw, 84px);
  grid-template-columns: minmax(230px, .85fr) minmax(150px, .45fr) 1.7fr;
  padding: clamp(54px, 7vw, 100px) clamp(24px, 6vw, 96px) 28px;
}
.preb-footer__info { font-size: 12px; }
.preb-footer__info .preb-brand__name { margin-bottom: 2px; }
.preb-footer__info address { font-style: normal; margin: 26px 0; }
.preb-footer__info dl { margin: 0; }
.preb-footer__info dl div { display: grid; grid-template-columns: 70px 1fr; }
.preb-footer__info dt { color: var(--preb-muted); }
.preb-footer__info dd { margin: 0; }
.preb-footer__nav { display: flex; flex-direction: column; gap: 9px; padding-top: 12px; }
.preb-footer__nav a { font-size: 12px; }
.preb-footer__nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.preb-footer__visuals { display: grid; gap: 2px; grid-template-columns: 1fr 1fr; min-height: 220px; }
.preb-footer__image,
.preb-footer__map { min-height: 220px; }
.preb-footer__copy { font-size: 10px; grid-column: 1 / -1; margin: 14px 0 0; text-align: center; }

@media (max-width: 1120px) {
  .preb-header { gap: 24px; }
  .preb-nav { gap: 18px; }
  .preb-line-button--header { padding-inline: 16px; }
}

@media (max-width: 900px) {
  .preb-header { grid-template-columns: 1fr auto; padding: 18px 22px; }
  .preb-brand__name { font-size: 34px; }
  .preb-line-button--header { display: none; }
  .preb-menu-button {
    align-items: center;
    appearance: none;
    background: transparent;
    border: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    height: 48px;
    justify-content: center;
    padding: 10px;
    width: 48px;
    z-index: 22;
  }
  .preb-menu-button span:not(.screen-reader-text) { background: #171716; display: block; height: 1px; transition: transform .2s ease, opacity .2s ease; width: 25px; }
  .preb-menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .preb-menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .preb-menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .preb-nav {
    align-items: flex-start;
    background: rgba(252, 251, 248, .98);
    display: flex;
    flex-direction: column;
    gap: 0;
    inset: 0;
    justify-content: center;
    opacity: 0;
    padding: 90px 9vw 50px;
    pointer-events: none;
    position: fixed;
    transform: translateY(-10px);
    transition: opacity .2s ease, transform .2s ease;
    visibility: hidden;
    z-index: 21;
  }
  .preb-nav a { border-bottom: 1px solid var(--preb-line); font-family: Georgia, "Yu Mincho", serif; font-size: 20px; padding: 14px 0; width: 100%; }
  .preb-menu-open { overflow: hidden; }
  .preb-menu-open .preb-nav { opacity: 1; pointer-events: auto; transform: none; visibility: visible; }
  .preb-footer { grid-template-columns: 1fr 1fr; }
  .preb-footer__visuals { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .preb-page { font-size: 15px; line-height: 1.85; }
  .preb-header { padding: 14px 18px; }
  .preb-brand__name { font-size: 30px; }
  .preb-brand__sub { font-size: 10px; margin-top: 5px; }
  .preb-footer { display: block; padding: 52px 20px 24px; }
  .preb-footer__nav { border-block: 1px solid var(--preb-line); margin: 34px 0; padding: 24px 0; }
  .preb-footer__nav a { min-height: 38px; }
  .preb-footer__visuals { grid-template-columns: 1fr; }
  .preb-footer__image,
  .preb-footer__map { min-height: 210px; }
  .preb-footer__copy { margin-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .preb-page *, .preb-page *::before, .preb-page *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
