:root {
  --white: #FFFFFF;
  --paper: #F7F5F2;
  --ink: #0F0F10;
  --ink-soft: #5A5A5C;
  --pink: #F5C5C5;
  --pink-deep: #E89898;
  --matcha: #8FAE7A;
  --matcha-deep: #6E8E5A;
  --rule: rgba(15,15,16,0.12);

  --sans: 'Space Grotesk', system-ui, sans-serif;
  --jp: 'Noto Serif JP', serif;
}

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem clamp(1.5rem, 5vw, 3rem);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
.dot { color: var(--pink-deep); }
.brand__sub { font-size: 0.68rem; letter-spacing: 0.22em; color: var(--ink-soft); margin-top: 4px; }
.nav { display: flex; gap: 1.5rem; align-items: center; font-size: 0.92rem; }
.nav a { transition: color .2s; }
.nav a:hover { color: var(--pink-deep); }
.cta {
  background: var(--ink); color: var(--white);
  padding: 0.55rem 1.1rem; border-radius: 4px;
  transition: background .25s;
}
.cta:hover { background: var(--matcha-deep); color: var(--white); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 60px 1fr 60px;
  min-height: 88vh;
  align-items: center;
  padding: 0 clamp(0, 3vw, 2rem);
}
.hero__rail {
  height: 100%;
  display: grid; place-items: center;
  border-right: 1px solid var(--rule);
}
.hero__rail--r { border-right: 0; border-left: 1px solid var(--rule); }
.vert {
  font-family: var(--jp);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  writing-mode: vertical-rl;
  color: var(--ink-soft);
  font-weight: 500;
}
.hero__content {
  padding: 0 clamp(2rem, 5vw, 5rem);
  max-width: 920px;
}
.lbl {
  font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.6rem;
}
.hero__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 1.6rem;
}
.hero__title em {
  font-style: normal;
  color: var(--pink-deep);
  font-weight: 400;
  font-family: var(--jp);
}
.hero__sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 40ch;
  margin-bottom: 2.4rem;
  line-height: 1.55;
}
.hero__cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center;
  padding: 0.85rem 1.5rem;
  border-radius: 4px;
  font-size: 0.92rem; font-weight: 500;
  transition: background .25s, color .25s, transform .25s;
}
.btn--primary { background: var(--ink); color: var(--white); }
.btn--primary:hover { background: var(--matcha-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid var(--ink); }
.btn--ghost:hover { background: var(--pink); }

/* ---------- grid wall ---------- */
.grid-wall {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 5vw, 3rem);
  background: var(--paper);
}
.gw__head { margin-bottom: 2.5rem; }
.gw__head h2 {
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.gw__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 220px;
  gap: 6px;
}
.tile {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  grid-column: span 2;
  transition: transform .4s ease;
  will-change: transform;
}
.tile--lg { grid-column: span 4; grid-row: span 2; }
.tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s ease, filter .4s ease;
  filter: brightness(0.96);
}
.tile:hover img { transform: scale(1.05); filter: brightness(1); }
.tile:hover { transform: translateY(-4px); box-shadow: 0 12px 30px -10px rgba(0,0,0,0.3); }
.tile figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1rem 1.2rem;
  display: flex; justify-content: space-between; align-items: end;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 500;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
}

/* ---------- cake detail ---------- */
.cake-detail {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 5vw, 3rem);
}
.cake-detail h2 {
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 3rem;
}
.detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.detail li {
  padding: 2.5rem 1.8rem;
  border-right: 1px solid var(--rule);
  transition: background .3s ease;
}
.detail li:last-child { border-right: 0; }
.detail li:hover { background: var(--paper); }
.detail__no {
  font-family: var(--jp);
  font-size: 4rem;
  color: var(--pink-deep);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.detail h3 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.6rem; }
.detail p { color: var(--ink-soft); line-height: 1.6; margin-bottom: 0.8rem; }
.detail .price { color: var(--ink); font-weight: 500; letter-spacing: 0.04em; }

/* ---------- story ---------- */
.story {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 5vw, 3rem);
  background: var(--paper);
}
.story__head {
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 3rem;
}
.story__cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  max-width: 1000px;
}
.story__cols p { font-size: 1.1rem; line-height: 1.65; color: var(--ink-soft); }

/* ---------- services ---------- */
.services { padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 5vw, 3rem); }
.services h2 { font-weight: 700; font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -0.03em; margin-bottom: 3rem; line-height: 1; }
.svc__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.svc__grid article {
  padding: 2.5rem 1.8rem;
  background: var(--paper);
  transition: background .25s ease;
}
.svc__grid article:hover { background: var(--pink); }
.svc__grid .num { font-family: var(--jp); font-size: 2rem; color: var(--pink-deep); margin-bottom: 1rem; }
.svc__grid h3 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.6rem; }
.svc__grid p { color: var(--ink-soft); margin-bottom: 1rem; }
.svc__grid a { font-weight: 500; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }

/* ---------- visit ---------- */
.visit {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 5vw, 3rem);
  background: var(--paper);
}
.visit h2 { font-weight: 700; font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -0.03em; margin-bottom: 3rem; line-height: 1; }
.visit__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.visit h4 { font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--matcha-deep); margin-bottom: 1rem; }
.visit p { font-size: 1.1rem; line-height: 1.6; }
.visit a:hover { color: var(--pink-deep); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--ink);
  padding: 3rem clamp(1.5rem, 5vw, 3rem);
}
.foot__row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1.5rem; }
.foot__mark { font-weight: 700; font-size: 1.4rem; letter-spacing: -0.02em; }
.foot__social { display: flex; gap: 1.4rem; flex-wrap: wrap; font-size: 0.92rem; }
.foot__social a:hover { color: var(--matcha-deep); }
.foot__fine { color: var(--ink-soft); font-size: 0.8rem; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
  .hero__rail { display: none; }
  .gw__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .tile, .tile--lg { grid-column: span 1; grid-row: auto; }
  .tile--lg { grid-column: span 2; grid-row: span 2; }
  .detail, .svc__grid, .visit__grid, .story__cols { grid-template-columns: 1fr; }
  .detail li { border-right: 0; border-bottom: 1px solid var(--rule); }
  .nav a:not(.cta) { display: none; }
}