:root {
  --paper: #eee5d6;
  --paper-soft: #f8f2e8;
  --ink: #1d1b18;
  --ink-soft: #514a40;
  --mist: #d8cbb8;
  --clay: #9d6f4e;
  --tea: #697257;
  --matcha: #8d986f;
  --line: rgba(29, 27, 24, 0.12);
  --white-line: rgba(248, 242, 232, 0.28);
  --shadow: 0 28px 80px rgba(52, 42, 31, 0.16);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 6%, rgba(157, 111, 78, 0.16), transparent 26rem),
    radial-gradient(circle at 8% 40%, rgba(105, 114, 87, 0.13), transparent 22rem),
    var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(29, 27, 24, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(29, 27, 24, 0.03) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  mask-image: linear-gradient(to bottom, black 0%, transparent 78%);
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.1rem;
  background: rgba(238, 229, 214, 0.74);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background 240ms ease, border-color 240ms ease;
}
.site-header.is-scrolled { background: rgba(238, 229, 214, 0.93); border-color: var(--line); }
.brand { font-size: 0.86rem; font-weight: 600; letter-spacing: 0.42em; }
.nav-toggle {
  display: grid;
  gap: 0.34rem;
  padding: 0.62rem;
  color: var(--ink);
  background: rgba(248, 242, 232, 0.5);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.nav-toggle span:not(.sr-only) { display: block; width: 1.25rem; height: 1px; background: currentColor; transition: transform 220ms ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(3.5px) rotate(36deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3.5px) rotate(-36deg); }
.site-nav {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 1rem;
  display: grid;
  min-width: min(18rem, calc(100vw - 2rem));
  gap: 0.15rem;
  padding: 0.8rem;
  background: rgba(248, 242, 232, 0.96);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(-0.45rem);
  visibility: hidden;
  transition: opacity 220ms ease, transform 220ms ease, visibility 220ms ease;
}
.site-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
.site-nav a { padding: 0.65rem 0.75rem; color: var(--ink-soft); border-radius: 0.9rem; font-size: 0.92rem; }
.site-nav a:hover { color: var(--ink); background: rgba(29, 27, 24, 0.04); }

.section { padding: 5.8rem 1.1rem; }
.hero { min-height: 100svh; display: grid; align-items: center; gap: 3rem; padding-top: 8.5rem; }
.eyebrow { margin: 0 0 1rem; color: var(--tea); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.28em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: "Noto Serif Display", Georgia, serif; font-weight: 400; line-height: 1.05; }
h1 { font-size: clamp(4.4rem, 22vw, 10rem); letter-spacing: -0.08em; }
h2 { max-width: 12ch; font-size: clamp(2.45rem, 12vw, 6rem); letter-spacing: -0.065em; }
h3 { font-size: 1.32rem; letter-spacing: -0.025em; }
p { margin: 0; }
.hero__tagline { margin-top: 0.7rem; font-family: "Noto Serif Display", Georgia, serif; font-size: clamp(1.45rem, 7vw, 3rem); color: var(--clay); letter-spacing: -0.04em; }
.hero__text, .text-columns p, .contact__panel > p, .sensation-board p { max-width: 42rem; color: var(--ink-soft); font-size: 1.03rem; }
.hero__text { margin-top: 1.5rem; }
.hero__actions, .contact__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.1rem; padding: 0 1.35rem; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: var(--paper-soft); background: var(--ink); border-color: var(--ink); }
.button--ghost { color: var(--ink); background: rgba(248, 242, 232, 0.34); }
.hero__object { position: relative; min-height: 23rem; display: grid; place-items: center; }
.sun-disc { width: min(70vw, 20rem); aspect-ratio: 1; border-radius: 50%; background: linear-gradient(145deg, rgba(248,242,232,.8), rgba(216,203,184,.4)); border: 1px solid var(--white-line); box-shadow: var(--shadow); }
.tea-cup { position: absolute; bottom: 16%; width: min(62vw, 18rem); height: 7rem; border: 1px solid rgba(29,27,24,.18); border-radius: 1rem 1rem 5rem 5rem; background: linear-gradient(160deg, rgba(248,242,232,.82), rgba(216,203,184,.68)); box-shadow: 0 18px 50px rgba(52,42,31,.12); }
.tea-cup::before { content: ""; position: absolute; inset: 0.9rem 1.2rem auto; height: 1.25rem; border-radius: 50%; background: linear-gradient(90deg, rgba(105,114,87,.4), rgba(157,111,78,.28)); }
.steam { position: absolute; bottom: 50%; width: 1px; height: 6.5rem; background: linear-gradient(transparent, rgba(29,27,24,.2), transparent); animation: steam 4.8s infinite ease-in-out; }
.steam--one { left: 45%; } .steam--two { left: 56%; animation-delay: 1.2s; }
@keyframes steam { 50% { transform: translateY(-1.1rem) translateX(0.65rem); opacity: .35; } }

.section__intro { margin-bottom: 2.6rem; }
.text-columns, .benefit-grid, .knowledge-grid, .partner-grid { display: grid; gap: 1rem; }
.benefit, .knowledge-card, .partner-card, .ceremony__panel, .contact__panel, .sensation-board {
  padding: 1.35rem;
  background: rgba(248, 242, 232, 0.55);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  box-shadow: 0 18px 60px rgba(52, 42, 31, 0.06);
}
.benefit span { display: inline-block; margin-bottom: 1.7rem; color: var(--tea); font-size: 0.75rem; letter-spacing: 0.22em; }
.benefit p, .knowledge-card p, .partner-card p, .category p, .ceremony__panel p { margin-top: 0.8rem; color: var(--ink-soft); }
.category-list { display: grid; border-top: 1px solid var(--line); }
.category { display: grid; gap: 0.4rem; padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.sensation-board ul { display: grid; gap: 0.55rem; margin: 1.5rem 0 0; padding: 0; list-style: none; color: var(--ink-soft); }
.sensation-board li { position: relative; padding-left: 1.2rem; }
.sensation-board li::before { content: ""; position: absolute; left: 0; top: 0.72rem; width: 0.38rem; height: 0.38rem; border-radius: 50%; background: var(--tea); }
.ceremony__panel { max-width: 62rem; margin-inline: auto; }
.ceremony__panel h2 { max-width: 14ch; }
.utensils { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 2rem; }
.utensils span { padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); background: rgba(238,229,214,.55); }
.gallery__grid { display: grid; gap: 1rem; }
.gallery-tile { display: flex; min-height: 15rem; align-items: end; margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 1.5rem; background: linear-gradient(145deg, rgba(248,242,232,.54), rgba(157,111,78,.12)), radial-gradient(circle at 70% 20%, rgba(105,114,87,.18), transparent 30%); overflow: hidden; }
.gallery-tile:nth-child(2) { background-color: rgba(105, 114, 87, 0.09); }
.gallery-tile:nth-child(3) { background-color: rgba(216, 203, 184, 0.5); }
.gallery-tile:nth-child(4) { background-color: rgba(157, 111, 78, 0.08); }
figcaption { color: var(--tea); font-size: 0.73rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; }
.contact__panel { max-width: 56rem; margin-inline: auto; }
.contact-form { display: grid; gap: 1rem; margin-top: 2rem; }
.contact-form label { display: grid; gap: 0.45rem; color: var(--ink-soft); }
input, textarea { width: 100%; padding: 0.95rem 1rem; color: var(--ink); background: rgba(248, 242, 232, 0.74); border: 1px solid var(--line); border-radius: 1rem; outline: none; }
input:focus, textarea:focus { border-color: var(--tea); box-shadow: 0 0 0 4px rgba(105, 114, 87, 0.1); }
.form-note { min-height: 1.5rem; color: var(--tea); }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: 2rem 1.1rem; color: var(--ink-soft); border-top: 1px solid var(--line); }
.reveal { opacity: 0; transform: translateY(1.25rem); transition: opacity 760ms ease, transform 760ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (min-width: 720px) {
  .site-header { padding-inline: 2rem; }
  .nav-toggle { display: none; }
  .site-nav { position: static; display: flex; min-width: 0; gap: 0.2rem; padding: 0; background: transparent; border: 0; box-shadow: none; opacity: 1; transform: none; visibility: visible; }
  .section { padding: 7.4rem 2rem; }
  .hero { grid-template-columns: 1fr 0.9fr; }
  .text-columns { grid-template-columns: 1fr 1fr; margin-left: 28%; }
  .benefit-grid, .knowledge-grid, .partner-grid { grid-template-columns: repeat(4, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .category { grid-template-columns: 0.45fr 1fr; align-items: baseline; }
  .gallery__grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 11rem; }
  .gallery-tile { min-height: auto; }
  .gallery-tile--tall { grid-row: span 2; }
  .gallery-tile--wide { grid-column: span 2; }
}

@media (min-width: 1080px) {
  .section, .site-header, .site-footer { padding-inline: clamp(3rem, 7vw, 7rem); }
  .sensation-board { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
  .sensation-board ul { margin-top: 0; }
}