:root {
  --color-bg: #FFFFFF;
  --color-surface: #F0EDE8;
  --color-surface-soft: #F8F7F5;
  --color-ink: #333333;
  --color-text: #333333;
  --color-text-sub: #746B5E;
  --color-accent: #8D7554;
  --color-accent-dark: #513711;
  --color-border: #E3DED5;
  --font-serif: "Zen Old Mincho", "Yu Mincho", "游明朝", serif;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --section-pad: 120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; margin: 0; line-height: 1.5; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin: 0 0 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.section-lead {
  color: var(--color-text-sub);
  margin-bottom: 40px;
  max-width: 640px;
}

/* ===== buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 2px;
  padding: 15px 32px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--color-accent-dark); color: #fff; }
.btn--primary:hover { opacity: 0.85; }
.btn--ghost { background: transparent; color: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.btn--ghost:hover { background: rgba(81, 55, 17, 0.06); }
.btn--sm { padding: 9px 20px; font-size: 13px; }
.btn--lg { padding: 17px 32px; font-size: 16px; }
.btn--block { width: 100%; border: none; }

/* ===== header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent-dark);
}
.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav > a:not(.btn) {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}
.site-nav > a:not(.btn):hover { color: var(--color-accent); }

.header-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding-left: 24px;
  border-left: 1px solid var(--color-border);
}
.header-contact__tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.header-contact__icon { width: 30px; height: 30px; color: var(--color-accent); flex-shrink: 0; }
.header-contact__hours {
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--color-text-sub);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span { width: 100%; height: 2px; background: var(--color-ink); display: block; }

/* ===== hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  height: min(84vh, 720px);
  min-height: 480px;
  display: flex;
  align-items: flex-end;
}
.hero__visual { position: absolute; inset: 0; z-index: 0; }
.hero-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 80%; display: block; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 14, 6, 0.72) 0%, rgba(20, 14, 6, 0.3) 45%, rgba(20, 14, 6, 0.05) 70%);
}
.hero__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 64px;
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero__copy { max-width: 620px; }
.hero .eyebrow { color: rgba(255, 255, 255, 0.75); }
.hero h1 {
  color: #fff;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.06em;
  margin: 14px 0 18px;
}
.hero__lead { color: rgba(255, 255, 255, 0.88); margin-bottom: 28px; max-width: 520px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.7); }
.hero .btn--ghost:hover { background: rgba(255, 255, 255, 0.12); }
.hero__visual-note {
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-size: 11px;
  color: #fff;
  background: rgba(0,0,0,0.4);
  padding: 4px 10px;
  border-radius: 2px;
}

/* ===== concept ===== */
.concept { padding: var(--section-pad) 0; }
.concept__lead {
  color: var(--color-text-sub);
  max-width: 680px;
  margin-top: 20px;
}
.concept__list {
  display: flex;
  flex-direction: column;
  gap: 44px;
  margin-top: 56px;
}
.concept-row {
  display: flex;
  align-items: baseline;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--color-border);
}
.concept-row:last-child { border-bottom: none; padding-bottom: 0; }
.concept-row__head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex: 0 0 320px;
}
.concept-item__num {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  white-space: nowrap;
}
.concept-row h3 {
  font-size: 20px;
  letter-spacing: 0.04em;
}
.concept-row p { color: var(--color-text-sub); flex: 1; }

/* ===== history ===== */
.history { padding: var(--section-pad) 0; background: var(--color-surface); }
.history__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.history__lead { color: var(--color-text-sub); margin: 24px 0 0; }
.history__visual img { width: 100%; height: 480px; object-fit: cover; }

/* ===== price ===== */
.price { padding: var(--section-pad) 0; }

.price__category { margin-top: 48px; }
.price__category + .price__category { margin-top: 64px; }
.price__category-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--color-accent-dark);
}
.price__category-head h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--color-accent-dark);
}
.price__category-en {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.price__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.price__item:last-child { border-bottom: none; }
.price__item-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex: 1 1 auto;
}
.price__item-num {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}
.price__item-head h4 { font-size: 17px; letter-spacing: 0.03em; }
.price__item-price {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  color: var(--color-accent-dark);
  white-space: nowrap;
  margin-left: auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.price__item-unit {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  color: var(--color-text-sub);
}
.price__item-desc {
  flex-basis: 100%;
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.8;
}

.price__note { margin-top: 32px; font-size: 13px; color: var(--color-text-sub); }

/* ===== works ===== */
.works { padding: var(--section-pad) 0; background: var(--color-surface); }
.works .container { max-width: 1430px; }
.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 52px;
  margin-top: 56px;
}
.work-card img { width: 100%; height: 338px; object-fit: cover; margin-bottom: 31px; }
.work-card h3 { font-size: 22px; letter-spacing: 0.03em; }
.work-card p { color: var(--color-text-sub); font-size: 18px; }
.works__note { margin-top: 32px; font-size: 13px; color: var(--color-text-sub); }

/* ===== voice ===== */
.voice { padding: var(--section-pad) 0; }
.voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 56px;
}
.voice-card {
  margin: 0;
  padding: 36px 28px;
  background: var(--color-surface-soft);
  border-left: 3px solid var(--color-accent);
}
.voice-card p { margin-bottom: 20px; }
.voice-card cite {
  font-style: normal;
  font-size: 13px;
  color: var(--color-text-sub);
  letter-spacing: 0.04em;
}

/* ===== access ===== */
.access { padding: var(--section-pad) 0; background: var(--color-surface); }
.access__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.access__table { margin-top: 48px; max-width: 720px; }
.access__table th, .access__table td {
  text-align: left;
  padding: 18px 16px;
  border-bottom: 1px solid var(--color-border);
}
.access__table th {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-accent-dark);
  width: 160px;
}

.access__map-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  background:
    linear-gradient(var(--color-border) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px) 0 0 / 48px 48px,
    #E4E9DD;
  display: flex;
  align-items: center;
  justify-content: center;
}
.access__map-pin {
  width: 40px;
  height: 40px;
  color: var(--color-accent-dark);
  filter: drop-shadow(0 6px 6px rgba(0, 0, 0, 0.2));
}
.access__map-note { margin-top: 14px; font-size: 12px; color: var(--color-text-sub); }

/* ===== contact ===== */
.contact { padding: var(--section-pad) 0; }
.contact__tel {
  text-align: center;
  margin: 40px 0 48px;
  padding: 40px 24px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.contact__tel-label {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}
.contact__tel-number {
  display: inline-block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: 0.03em;
  color: var(--color-accent-dark);
}
.contact__tel-hours {
  margin-top: 10px;
  font-size: 14px;
  color: var(--color-text-sub);
}
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
  margin-top: 8px;
}
.contact-form label { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.contact-form__full { grid-column: 1 / -1; }
.contact-form__label-text { letter-spacing: 0.04em; }
.req {
  font-size: 11px;
  color: #fff;
  background: var(--color-accent-dark);
  padding: 2px 8px;
  border-radius: 2px;
  margin-left: 8px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 13px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  background: var(--color-surface-soft);
}
.contact-form button { grid-column: 1 / -1; margin-top: 8px; }
.contact-form__note { margin-top: 20px; font-size: 13px; color: var(--color-text-sub); }

/* ===== footer ===== */
.site-footer { background: var(--color-accent-dark); color: #fff; padding: 72px 0 40px; }
.site-footer__logo {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 36px; }
.site-footer__nav a { font-size: 13px; opacity: 0.85; }
.site-footer__nav a:hover { opacity: 1; }
.site-footer__disclaimer {
  font-size: 12px;
  line-height: 1.9;
  opacity: 0.65;
  max-width: 760px;
  margin-bottom: 20px;
}
.site-footer__copyright { font-size: 12px; opacity: 0.6; }

/* ===== responsive ===== */
@media (max-width: 900px) {
  :root { --section-pad: 72px; }
  .price__item-head { flex-wrap: wrap; }
  .price__item-price { margin-left: 0; }
  .access__inner { grid-template-columns: 1fr; }
  .access__map { margin-top: 8px; }
  .site-nav {
    position: fixed;
    top: var(--header-height, 64px);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .site-nav.is-open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .hero { height: 88vh; min-height: 520px; }
  .hero__inner { padding: 28px 20px 40px; }
  .works__grid, .voice__grid { grid-template-columns: 1fr; }
  .concept-row { flex-direction: column; gap: 16px; }
  .concept-row__head { flex: none; }
  .history__inner { grid-template-columns: 1fr; gap: 40px; }
  .history__visual img { height: 320px; }
  .contact-form { grid-template-columns: 1fr; }
  .header-contact {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: 16px;
    width: 100%;
  }
}