:root {
  --color-paper: #f3eee3;
  --color-paper-deep: #e4dbc9;
  --color-ink: #181713;
  --color-ink-soft: #514d44;
  --color-seal: #a53325;
  --color-seal-dark: #78251c;
  --color-white: #fffdf8;
  --color-line: rgba(24, 23, 19, 0.2);
  --font-display: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  --font-body: Inter, Avenir, "Helvetica Neue", Arial, sans-serif;
  --step--1: clamp(0.82rem, 0.78rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  --step-1: clamp(1.25rem, 1.1rem + 0.6vw, 1.65rem);
  --step-2: clamp(1.8rem, 1.4rem + 1.6vw, 3rem);
  --step-3: clamp(2.6rem, 1.8rem + 3.2vw, 5.4rem);
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: clamp(4rem, 8vw, 8rem);
  --radius-sm: 2px;
  --radius-md: 14px;
  --shadow-drawer: -20px 0 60px rgba(0, 0, 0, 0.22);
  --content: 1240px;
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.cart-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  color: var(--color-white);
  background: var(--color-ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 0.9rem max(1.25rem, calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(14px);
}
.site-header--simple { position: relative; }
.brand { display: inline-flex; align-items: center; gap: 0.85rem; text-decoration: none; }
.brand__mark { display: inline-grid; width: 52px; aspect-ratio: 1; place-items: center; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; }
.brand__name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; letter-spacing: 0.02em; }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.25rem); }
.site-nav a, .cart-button { font-size: var(--step--1); font-weight: 650; text-decoration: none; }
.site-nav a { padding-block: 0.45rem; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a:focus-visible { border-color: var(--color-seal); }
.cart-button { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0; border: 0; background: none; cursor: pointer; }
.cart-count { display: grid; width: 1.7rem; height: 1.7rem; place-items: center; border-radius: 50%; color: var(--color-white); background: var(--color-seal); font-size: 0.75rem; }
.nav-toggle { display: none; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: clamp(2rem, 5vw, 6rem);
  min-height: 0;
  max-width: var(--content);
  margin-inline: auto;
  padding: clamp(2.75rem, 5vw, 4.75rem) 1.25rem clamp(3.25rem, 6vw, 5.5rem);
  align-items: center;
  overflow: hidden;
}
.hero__copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 1rem; color: var(--color-seal); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.18em; line-height: 1.4; text-transform: uppercase; }
.eyebrow--light { color: #d98b7d; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.02; }
h1 { max-width: 10ch; margin-bottom: 1.6rem; font-size: var(--step-3); font-weight: 500; letter-spacing: -0.035em; }
h1 em { color: var(--color-seal); font-weight: 500; }
h2 { margin-bottom: 1.4rem; font-size: var(--step-2); font-weight: 500; letter-spacing: -0.025em; }
h3 { margin-bottom: 0.65rem; font-size: var(--step-1); }
.hero__intro { max-width: 38rem; color: var(--color-ink-soft); font-size: var(--step-1); line-height: 1.5; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border var(--transition), transform var(--transition);
}
.button:not(:disabled):hover { transform: translateY(-2px); }
.button:disabled { opacity: 0.58; cursor: not-allowed; }
.button--primary { color: var(--color-white); background: var(--color-seal); }
.button--primary:not(:disabled):hover { background: var(--color-seal-dark); }
.button--secondary { border-color: currentColor; color: var(--color-ink); background: transparent; }
.button--secondary:not(:disabled):hover { color: var(--color-white); background: var(--color-ink); }
.button--full { width: 100%; }
.text-link, .text-button { color: var(--color-seal-dark); font-weight: 750; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 0.25em; }
.text-button { padding: 0; border: 0; background: none; cursor: pointer; }
.hero__art { position: relative; margin: 0; }
.hero__image-frame { padding: 1.15rem; border: 1px solid var(--color-line); background: var(--color-white); }
.hero__image-frame img { width: 100%; height: auto; object-fit: contain; }
.hero__image-frame::after { position: absolute; right: -1rem; bottom: 3rem; width: 3.6rem; height: 3.6rem; border: 3px double var(--color-seal); content: "味"; display: grid; place-items: center; color: var(--color-seal); font-family: var(--font-display); font-size: 1.8rem; }
.hero__art figcaption { margin-top: 1rem; color: var(--color-ink-soft); font-family: var(--font-display); font-style: italic; text-align: right; }
.section { padding: var(--space-7) max(1.25rem, calc((100vw - var(--content)) / 2)); }
.section-heading { max-width: 850px; margin-bottom: clamp(2.5rem, 5vw, 5rem); }
.section-heading--split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; max-width: none; align-items: end; }
.section-heading--split > p { max-width: 32rem; margin-bottom: 0; color: var(--color-ink-soft); }
.manifesto { border-top: 1px solid var(--color-line); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-line); }
.principles li { padding: 2rem clamp(1rem, 3vw, 2.5rem) 1rem 0; }
.principles li + li { padding-left: clamp(1rem, 3vw, 2.5rem); border-left: 1px solid var(--color-line); }
.principles__number { display: block; margin-bottom: 2.5rem; color: var(--color-seal); font-family: var(--font-display); font-size: 1rem; }
.principles p { margin-bottom: 0; color: var(--color-ink-soft); }

.section--ink { color: var(--color-white); background: var(--color-ink); }
.collection { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(3rem, 8vw, 8rem); }
.collection__intro { position: sticky; top: 130px; align-self: start; }
.collection__intro > p:not(.eyebrow) { color: #c7c0b5; }
.collection__note { padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.22); font-size: var(--step--1); }
.books { display: grid; gap: 4rem; }
.book-card { display: grid; grid-template-columns: minmax(180px, 0.72fr) 1fr; gap: 2rem; align-items: center; }
.book-card__cover { display: flex; aspect-ratio: 0.68; flex-direction: column; justify-content: space-between; padding: clamp(1.2rem, 3vw, 2.2rem); box-shadow: 14px 18px 0 rgba(255,255,255,0.08); }
.book-card__cover--red { color: var(--color-white); background: var(--color-seal); }
.book-card__cover--paper { color: var(--color-ink); background: var(--color-paper-deep); }
.book-card__cover span { align-self: flex-end; font-family: var(--font-display); font-size: 1.8rem; writing-mode: vertical-rl; }
.book-card__cover strong { font-family: var(--font-display); font-size: clamp(1.55rem, 2.7vw, 2.65rem); font-weight: 500; line-height: 0.95; }
.book-card__cover small { border-top: 1px solid currentColor; padding-top: 0.65rem; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; }
.book-card__body p { color: #c7c0b5; }
.tag { margin-bottom: 0.8rem; color: var(--color-seal-dark); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.section--ink .tag { color: #d98b7d; }
.section--ink .button--secondary { color: var(--color-white); }
.section--ink .button--secondary:hover { color: var(--color-ink); background: var(--color-white); }

.recipe-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 2.5rem); }
.recipe-card { border-bottom: 1px solid var(--color-line); }
.recipe-card__media { display: grid; width: 100%; aspect-ratio: 6 / 5; place-items: center; overflow: hidden; background: var(--color-white); }
.recipe-card__media img { width: 100%; height: 100%; object-fit: contain; object-position: center; filter: sepia(0.08) contrast(1.03); }
.recipe-card__body { padding: 1.4rem 0 1.6rem; }
.recipe-card__body h3 { font-weight: 500; }
.recipe-card__body p:last-child { margin-bottom: 0; color: var(--color-ink-soft); font-family: var(--font-display); font-style: italic; }

.author { display: grid; grid-template-columns: 0.76fr 1.24fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; background: var(--color-paper-deep); }
.author__portrait { position: relative; max-width: 440px; }
.author__portrait img { width: 100%; filter: contrast(1.04); }
.author__portrait span { position: absolute; right: -1.4rem; bottom: 2rem; padding: 0.55rem 0.7rem; color: var(--color-white); background: var(--color-seal); font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.12em; writing-mode: vertical-rl; }
.author__copy { max-width: 670px; }
.author__lead { font-family: var(--font-display); font-size: var(--step-1); line-height: 1.45; }
blockquote { margin: 2rem 0 0; padding: 1.5rem 0 0 2rem; border-top: 1px solid var(--color-line); color: var(--color-seal-dark); font-family: var(--font-display); font-size: var(--step-1); font-style: italic; }

.journal { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.journal > div > p:last-child { color: var(--color-ink-soft); }
.newsletter { padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--color-line); background: var(--color-white); }
.newsletter label { display: block; margin-bottom: 0.7rem; font-size: 0.8rem; font-weight: 750; }
.newsletter__row { display: grid; grid-template-columns: 1fr auto; gap: 0.75rem; }
.newsletter input { min-height: 48px; width: 100%; padding: 0.75rem 0.9rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper); }
.form-note { margin: 0.75rem 0 0; color: var(--color-ink-soft); font-size: 0.75rem; }

.site-footer { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 2rem; align-items: center; padding: 3rem max(1.25rem, calc((100vw - var(--content)) / 2)); color: var(--color-white); background: var(--color-ink); }
.brand--footer .brand__mark { padding: 0.2rem; background: var(--color-paper); }
.site-footer p { margin: 0; color: #aaa397; font-size: 0.8rem; }
.site-footer nav { display: flex; gap: 1.5rem; }
.site-footer a { font-size: 0.8rem; text-underline-offset: 0.25em; }
.site-footer .copyright { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.18); }

.cart-backdrop { position: fixed; inset: 0; z-index: 49; background: rgba(15,14,12,0.5); backdrop-filter: blur(2px); }
.cart-drawer { position: fixed; top: 0; right: 0; z-index: 50; display: flex; width: min(100%, 460px); height: 100dvh; flex-direction: column; padding: 1.5rem; background: var(--color-paper); box-shadow: var(--shadow-drawer); transform: translateX(105%); transition: transform 260ms ease; }
.cart-drawer[aria-hidden="false"] { transform: translateX(0); }
.cart-drawer__header { display: flex; justify-content: space-between; padding-bottom: 1.25rem; border-bottom: 1px solid var(--color-line); }
.cart-drawer__header h2 { margin: 0; font-size: 2rem; }
.icon-button { width: 44px; height: 44px; border: 1px solid var(--color-line); border-radius: 50%; background: transparent; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.cart-items { flex: 1; overflow-y: auto; }
.cart-item { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--color-line); }
.cart-item h3 { margin: 0 0 0.35rem; font-size: 1.1rem; line-height: 1.25; }
.cart-item p { margin: 0; color: var(--color-ink-soft); font-size: 0.75rem; }
.cart-item button { align-self: start; border: 0; color: var(--color-seal-dark); background: none; cursor: pointer; }
.cart-empty { display: grid; flex: 1; place-content: center; text-align: center; }
.cart-empty p { margin-bottom: 0.35rem; font-family: var(--font-display); font-size: 1.4rem; }
.cart-empty span { color: var(--color-ink-soft); font-size: 0.85rem; }
.cart-drawer__footer { padding-top: 1.25rem; border-top: 1px solid var(--color-line); }
.cart-drawer__footer p { color: var(--color-ink-soft); font-size: 0.8rem; }
.cart-drawer__footer .text-button { display: block; margin: 1rem auto 0; }
.toast { position: fixed; right: 1rem; bottom: 1rem; z-index: 60; max-width: min(360px, calc(100vw - 2rem)); padding: 0.85rem 1rem; color: var(--color-white); background: var(--color-ink); box-shadow: 0 8px 30px rgba(0,0,0,0.22); opacity: 0; pointer-events: none; transform: translateY(1rem); transition: opacity var(--transition), transform var(--transition); }
.toast.is-visible { opacity: 1; transform: translateY(0); }

.legal-page { max-width: 820px; margin-inline: auto; padding: var(--space-7) 1.25rem; }
.legal-page h1 { max-width: none; }
.legal-page__updated { color: var(--color-ink-soft); }
.legal-page section { padding: 2rem 0; border-top: 1px solid var(--color-line); }
.legal-page section h2 { font-size: 1.6rem; }
.site-footer--legal { grid-template-columns: 1fr auto; }
.not-found { display: grid; min-height: 100svh; max-width: 720px; margin: auto; padding: 2rem; place-content: center; text-align: center; }
.not-found .brand__mark { width: 110px; margin: 0 auto 2rem; }
.not-found h1 { max-width: none; }
.not-found .button { justify-self: center; }

:focus-visible { outline: 3px solid #dc7d68; outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 900px) {
  .site-header { min-height: 72px; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.65rem; border: 0; background: none; font-size: 0.8rem; font-weight: 750; cursor: pointer; }
  .nav-toggle__lines, .nav-toggle__lines::before, .nav-toggle__lines::after { display: block; width: 22px; height: 1px; background: currentColor; content: ""; }
  .nav-toggle__lines { position: relative; }
  .nav-toggle__lines::before { position: absolute; top: -6px; }
  .nav-toggle__lines::after { position: absolute; top: 6px; }
  .site-nav { position: absolute; top: 100%; left: 0; display: none; width: 100%; flex-direction: column; align-items: stretch; padding: 1.25rem; border-bottom: 1px solid var(--color-line); background: var(--color-paper); }
  .site-nav.is-open { display: flex; }
  .site-nav a, .cart-button { padding: 0.75rem 0; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__copy { max-width: 720px; }
  .hero__art { max-width: 680px; }
  .collection, .author, .journal { grid-template-columns: 1fr; }
  .collection__intro { position: static; }
  .author__portrait { width: min(80%, 440px); }
  .site-footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .brand__name { font-size: 1.15rem; }
  .hero { padding-top: 2.8rem; }
  .hero__actions { align-items: flex-start; flex-direction: column; }
  .section-heading--split, .principles, .recipe-grid, .book-card, .newsletter__row, .site-footer { grid-template-columns: 1fr; }
  .principles li, .principles li + li { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--color-line); }
  .principles__number { margin-bottom: 1rem; }
  .book-card { max-width: 440px; }
  .book-card__cover { max-width: 280px; }
  .author__portrait { width: calc(100% - 1.5rem); }
  .site-footer .copyright { grid-column: 1; }
  .site-header--simple .brand__name { display: none; }
}