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

:root {
  
  --color-ink:        #1A3A3A;   
  --color-stone:      #3D5A57;   
  --color-mist:       #4DADA0;   
  --color-warm:       #F5EDE0;   
  --color-cream:      #FAF6F1;   
  --color-border:     #D6C9B8;   
  --color-text:       #2A2A2A;   
  --color-text-muted: #6B6B6B;   
  --color-white:      #FFFFFF;

  --font-heading: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', Georgia, serif;
  --font-body:    'Noto Sans JP',  'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;

  --section-gap: 96px;
  --container-max: 1160px;
  --radius: 4px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-cream);
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-gap) 0; }
.section--dark { background-color: var(--color-ink); color: var(--color-warm); }
.section--warm { background-color: var(--color-warm); }
.section--stone { background-color: var(--color-stone); color: var(--color-cream); }

.section__label {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 12px;
}
.section--dark .section__label,
.section--stone .section__label {
  color: var(--color-mist);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: 16px;
}
.section--dark  .section__title,
.section--stone .section__title { color: var(--color-warm); }

.section__subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.75;
}
.section--dark  .section__subtitle,
.section--stone .section__subtitle { color: var(--color-border); }

.section__divider {
  width: 40px;
  height: 2px;
  background: var(--color-mist);
  margin: 20px 0 32px;
}

.btn {
  display: inline-block;
  padding: 13px 32px;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.08em;
  border: 2px solid transparent;
  cursor: pointer;
  border-radius: var(--radius);
}
.btn--primary {
  background: var(--color-mist);
  color: var(--color-white);
  border-color: var(--color-mist);
}
.btn--primary:hover { background: var(--color-stone); border-color: var(--color-stone); }

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--outline:hover { background: var(--color-ink); color: var(--color-white); }

.btn--outline-light {
  background: transparent;
  color: var(--color-warm);
  border-color: var(--color-warm);
}
.btn--outline-light:hover { background: var(--color-warm); color: var(--color-ink); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__logo { width: 42px; height: 42px; flex-shrink: 0; }

.site-header__name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-warm);
  letter-spacing: 0.04em;
}

.site-header__name span {
  color: var(--color-mist);
}

.site-header__nav { display: flex; align-items: center; gap: 32px; }

.site-header__nav a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-border);
}
.site-header__nav a:hover { color: var(--color-mist); }

.site-header__cta .btn { padding: 9px 22px; font-size: 13px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-warm);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-ink);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1624517607060-b0bfafdb19a9?ixid=M3w4ODI3MzF8MHwxfHNlYXJjaHw5fHxzdGVhbWluZyUyMGhvdCUyMHNwcmluZyUyMG1pc3R8ZW58MXx8fHwxNzc4MzIwNDc0fDA&ixlib=rb-4.1.0&w=1600&q=80&fit=max&auto=format") center/cover no-repeat;
  opacity: 0.38;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__kana {
  font-family: var(--font-heading);
  font-size: 80px;
  color: rgba(77,173,160,0.15);
  line-height: 1;
  margin-bottom: -16px;
  user-select: none;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 700;
  color: var(--color-warm);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 17px;
  color: var(--color-border);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: var(--color-mist);
  opacity: 0.6;
}
.hero__scroll-text {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-mist);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.philosophy { background: var(--color-warm); }
.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
}
.philosophy__item {
  padding: 48px 40px;
  border-right: 1px solid var(--color-border);
}
.philosophy__item:last-child { border-right: none; }
.philosophy__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
}
.philosophy__item h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--color-ink);
}
.philosophy__item p { font-size: 14px; color: var(--color-text-muted); line-height: 1.75; }

.about-intro { background: var(--color-cream); }
.about-intro__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-intro__image {
  aspect-ratio: 4/3;
  background: var(--color-border);
  overflow: hidden;
  border-radius: var(--radius);
}
.about-intro__image img { width: 100%; height: 100%; object-fit: cover; }
.about-intro__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
  border: 1px solid var(--color-mist);
  padding: 4px 12px;
  margin-bottom: 20px;
}

.onsen-types { background: var(--color-ink); }
.onsen-types__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 56px;
}
.onsen-card {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-stone);
  display: flex;
  align-items: flex-end;
  padding: 32px;
}
.onsen-card__placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,58,58,0.88) 0%, rgba(26,58,58,0.1) 60%);
}
.onsen-card__img-bg {
  position: absolute;
  inset: 0;
  background: var(--color-stone);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.2);
  text-transform: uppercase;
}
.onsen-card__body { position: relative; z-index: 1; }
.onsen-card__num {
  font-family: var(--font-heading);
  font-size: 48px;
  color: var(--color-mist);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 4px;
}
.onsen-card__title {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-warm);
  margin-bottom: 6px;
}
.onsen-card__desc { font-size: 13px; color: var(--color-border); line-height: 1.6; max-width: 340px; }

.rituals { background: var(--color-warm); }
.rituals__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.rituals__image {
  aspect-ratio: 3/4;
  background: var(--color-border);
  overflow: hidden;
  border-radius: var(--radius);
  order: 2;
}
.rituals__image img { width: 100%; height: 100%; object-fit: cover; }
.rituals__content { order: 1; }
.rituals__steps { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.rituals__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}
.rituals__step-num {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-mist);
  font-weight: 700;
  line-height: 1.2;
}
.rituals__step h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--color-ink);
}
.rituals__step p { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; }

.stats-bar { background: var(--color-mist); padding: 56px 0; }
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stats-bar__item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.25);
}
.stats-bar__item:last-child { border-right: none; }
.stats-bar__num {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 8px;
}
.stats-bar__label { font-size: 13px; color: rgba(255,255,255,0.75); letter-spacing: 0.05em; }

.products { background: var(--color-cream); }
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.product-card__image {
  aspect-ratio: 4/3;
  background: var(--color-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card__image img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: 24px; }
.product-card__category {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 8px;
}
.product-card__name {
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--color-ink);
  margin-bottom: 8px;
  line-height: 1.35;
}
.product-card__desc { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 20px; }
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.product-card__price {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-ink);
  font-weight: 700;
}

.gallery { background: var(--color-stone); padding: 72px 0; }
.gallery__label { color: var(--color-mist); }
.gallery__title { color: var(--color-warm); }
.gallery__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 200px 200px;
  gap: 4px;
  margin-top: 40px;
}
.gallery__item {
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.2);
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
}
.gallery__item:first-child { grid-row: span 2; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; }

.cta-banner {
  background: var(--color-ink);
  padding: 96px 0;
  text-align: center;
}
.cta-banner__kana {
  font-family: var(--font-heading);
  font-size: 80px;
  color: rgba(77,173,160,0.08);
  line-height: 1;
  margin-bottom: -20px;
  user-select: none;
}
.cta-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  color: var(--color-warm);
  margin-bottom: 16px;
}
.cta-banner__sub {
  font-size: 16px;
  color: var(--color-border);
  margin-bottom: 40px;
}
.cta-banner__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.contacts { background: var(--color-warm); }
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contacts__info { display: flex; flex-direction: column; gap: 32px; }
.contacts__item { display: flex; gap: 20px; align-items: flex-start; }
.contacts__icon {
  width: 44px;
  height: 44px;
  background: var(--color-ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contacts__icon svg { width: 20px; height: 20px; }
.contacts__item-title {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 4px;
}
.contacts__item-value {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-ink);
  line-height: 1.5;
}
.contacts__item-value a:hover { color: var(--color-mist); }

.contacts__map {
  aspect-ratio: 4/3;
  background: var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.contacts__map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.contacts__map-placeholder svg { width: 36px; height: 36px; color: var(--color-stone); }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--color-ink);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
}
.cookie-banner.hidden { display: none !important; }

.cookie-banner__content {
  flex: 1;
  min-width: 0;
}
.cookie-banner__title {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--color-warm);
  margin-bottom: 4px;
  font-weight: 600;
}
.cookie-banner__desc {
  font-size: 12px;
  color: var(--color-border);
  line-height: 1.5;
  margin-bottom: 8px;
}
.cookie-banner__link {
  font-size: 12px;
  color: var(--color-mist);
  text-decoration: underline;
  cursor: pointer;
}
.cookie-banner__link:hover { color: var(--color-warm); }

.cookie-banner__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.cookie-banner__actions .btn { padding: 7px 16px; font-size: 11px; }

.cookie-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0,0,0,0.6);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.cookie-modal.open { display: flex; }

.cookie-modal__content {
  background: var(--color-cream);
  border-radius: var(--radius);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px;
}
.cookie-modal__title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-ink);
  margin-bottom: 24px;
}
.cookie-modal__description {
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 32px;
  line-height: 1.6;
}

.cookie-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.cookie-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background 0.2s ease;
}
.cookie-option:hover { background: rgba(255,255,255,0.8); }

.cookie-option input[type="checkbox"] {
  margin-top: 3px;
  cursor: pointer;
  width: 18px;
  height: 18px;
}
.cookie-option__label {
  flex: 1;
}
.cookie-option__label strong {
  display: block;
  font-size: 13px;
  color: var(--color-ink);
  margin-bottom: 4px;
}
.cookie-option__label span {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cookie-option input:disabled + .cookie-option__label { opacity: 0.6; }

.cookie-modal__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.cookie-modal__actions .btn { padding: 10px 24px; }

@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .cookie-banner__actions { 
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  
  .cookie-modal__content {
    padding: 24px;
  }
  .cookie-modal__actions { flex-direction: column; }
  .cookie-modal__actions .btn { width: 100%; }
}

.site-footer {
  background: var(--color-ink);
  padding: 56px 0 32px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  grid-column: 1;
}
.footer-brand__logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand__logo img { width: 36px; height: 36px; }
.footer-brand__name {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-warm);
  font-weight: 700;
}
.footer-brand__name span { color: var(--color-mist); }
.footer-brand__desc { font-size: 13px; color: var(--color-border); line-height: 1.7; }

.footer-col__title {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--color-border); text-decoration: none; }
.footer-col a:hover { color: var(--color-warm); }

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer__legal a { color: rgba(255,255,255,0.3); text-decoration: none; }
.site-footer__legal a:hover { color: var(--color-border); }

@media (max-width: 900px) {
  .philosophy__grid { grid-template-columns: 1fr; }
  .philosophy__item { border-right: none; border-bottom: 1px solid var(--color-border); }
  .philosophy__item:last-child { border-bottom: none; }

  .about-intro__inner,
  .rituals__inner { grid-template-columns: 1fr; gap: 40px; }
  .rituals__image { order: -1; aspect-ratio: 16/9; }

  .onsen-types__grid { grid-template-columns: 1fr; }

  .products__grid { grid-template-columns: repeat(2, 1fr); }

  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stats-bar__item { border-right: none; }

  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery__item:first-child { grid-row: span 1; }

  .contacts__grid { grid-template-columns: 1fr; gap: 48px; }

  .site-footer__inner { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 600px) {
  :root { --section-gap: 64px; }

  .site-header__nav { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--color-ink); padding: 24px; gap: 20px; border-top: 1px solid rgba(255,255,255,0.08); }
  .site-header__nav.open { display: flex; }
  .site-header__cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { min-height: 80vh; }
  .hero__kana { font-size: 48px; }

  .products__grid { grid-template-columns: 1fr; }

  .site-footer__inner { grid-template-columns: 1fr; }

  .gallery__grid { grid-template-columns: 1fr; }
  .gallery__item { height: 180px; }

  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
}