/* Izakaya Matsuri 祭 — site styles
   Layout concept: a quiet sumi-ink and washi-paper page. Dark photo hero with the
   mono emblem, then alternating paper and ink bands. Condensed caps for headings,
   a typewriter mono for labels and times, and one accent: the red sun of the menu boards. */
:root {
  --ink: #171513;        /* sumi black, warm */
  --ink-2: #211e1b;      /* raised ink band */
  --ink-line: #3a3530;   /* rules on ink */
  --paper: #efece6;      /* washi paper */
  --paper-2: #e5e1d9;    /* deeper paper for alternate bands */
  --paper-line: #cfc9be; /* rules on paper */
  --on-paper: #171513;
  --on-paper-muted: #5f5950;
  --on-ink: #f3f0ea;
  --on-ink-muted: #a59f95;
  --sun: #c43a2c;        /* hinomaru red: buttons, the sun, highlights */
  --sun-deep: #a62f23;

  --f-display: "Antonio", "Oswald", "Arial Narrow", "Helvetica Neue Condensed", sans-serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --f-mono: "DM Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;

  --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.86rem);
  --step-0: clamp(0.98rem, 0.95rem + 0.15vw, 1.06rem);
  --step-1: clamp(1.15rem, 1.05rem + 0.45vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.25rem + 1.1vw, 2.2rem);
  --step-3: clamp(2.1rem, 1.6rem + 2.4vw, 3.6rem);
  --step-4: clamp(2.7rem, 1.8rem + 4.2vw, 5.4rem);

  --maxw: 74rem;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--on-paper);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 60; background: var(--ink);
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sr-only:focus { position: fixed; top: 0.5rem; left: 0.5rem; width: auto; height: auto; clip: auto; z-index: 99; background: var(--paper); padding: 0.5rem 1rem; }

h1, h2, h3, h4 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; }

.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 2 * max(16px, env(safe-area-inset-left, 0px)));
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap { padding-left: max(40px, env(safe-area-inset-left, 0px)); padding-right: max(40px, env(safe-area-inset-right, 0px)); }
}

/* Type roles */
.display {
  font-family: var(--f-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.01em; line-height: 1.02;
}
:lang(ja) .display, .display:lang(ja) {
  font-family: var(--f-body); font-weight: 700; text-transform: none; letter-spacing: 0.04em; line-height: 1.35;
  word-break: keep-all; overflow-wrap: anywhere;
}
.label {
  font-family: var(--f-mono); font-size: var(--step--1); font-weight: 400;
  letter-spacing: 0.14em; text-transform: uppercase;
}
:lang(ja) .label { font-family: var(--f-body); letter-spacing: 0.12em; font-weight: 500; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  min-height: 48px; padding: 0.75em 1.6em; border-radius: 2px;
  font-family: var(--f-mono); font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
:lang(ja) .btn { font-family: var(--f-body); font-weight: 700; letter-spacing: 0.08em; }
.btn-sun { background: var(--sun); color: #fff; }
.btn-sun:hover { background: var(--sun-deep); }
.btn-line-light { border-color: color-mix(in srgb, var(--on-ink) 55%, transparent); color: var(--on-ink); }
.btn-line-light:hover { border-color: var(--on-ink); background: color-mix(in srgb, var(--on-ink) 10%, transparent); }
.btn-line-dark { border-color: var(--on-paper); color: var(--on-paper); }
.btn-line-dark:hover { background: var(--on-paper); color: var(--paper); }
.btn-sm { min-height: 38px; padding: 0.45em 1.1em; font-size: 0.78rem; }

/* Header */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: var(--ink); color: var(--on-ink);
  border-bottom: 1px solid var(--ink-line);
}
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 4rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; margin-right: auto; }
.brand img { width: 40px; height: 40px; }
.brand-name { font-family: var(--f-display); font-weight: 600; font-size: 1.25rem; letter-spacing: 0.16em; text-transform: uppercase; line-height: 1; }
.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a { text-decoration: none; color: var(--on-ink-muted); }
.nav a:hover { color: var(--on-ink); }
.lang-switch { text-decoration: none; color: var(--on-ink-muted); }
.lang-switch:hover { color: var(--on-ink); }
@media (max-width: 760px) { .nav { display: none; } .site-header .wrap { gap: 1rem; } }

/* Hero */
.hero { position: relative; isolation: isolate; color: var(--on-ink); background: var(--ink); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; filter: saturate(0.75); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 55% at 50% 45%, rgba(23,21,19,0.45), rgba(23,21,19,0.82) 75%),
    linear-gradient(180deg, rgba(23,21,19,0.25), rgba(23,21,19,0.9));
}
.hero .wrap {
  min-height: clamp(560px, 86vh, 820px);
  display: grid; place-items: center; text-align: center;
  padding-block: 4rem 3.5rem;
}
.hero-inner { display: grid; justify-items: center; gap: 1.4rem; }
.hero-logo { width: clamp(190px, 26vw, 290px); height: auto; }
.hero-kicker { color: var(--on-ink); }
.hero-season { color: var(--on-ink-muted); font-family: var(--f-mono); font-size: var(--step--1); letter-spacing: 0.08em; }
:lang(ja) .hero-season { font-family: var(--f-body); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 0.5rem; }

/* Bands */
.band { padding-block: clamp(4.5rem, 10vw, 8rem); }
.band-ink { background: var(--ink); color: var(--on-ink); }
.band-paper-2 { background: var(--paper-2); }
.eyebrow { color: var(--sun); margin-bottom: 1.25rem; }
.band-ink .eyebrow { color: var(--on-ink-muted); }

/* Intro */
.intro { text-align: center; }
.intro .wrap { display: grid; justify-items: center; }
.intro h2 { font-size: var(--step-4); max-width: 18ch; }
.intro h2:lang(ja), :lang(ja) .intro h2 { font-size: var(--step-3); max-width: 22em; }
.intro h2 .hl { color: var(--sun); }
.intro-p { margin-top: 2rem; max-width: 40rem; color: var(--on-paper-muted); font-size: var(--step-1); line-height: 1.7; }
.pillars {
  list-style: none; margin: clamp(3rem, 6vw, 4.5rem) 0 0; padding: 0; width: 100%;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); text-align: left;
  border-top: 1px solid var(--paper-line);
}
.pillars li { padding: 1.5rem 1.5rem 0 0; display: grid; gap: 0.4rem; min-width: 0; }
.pillars li + li { padding-left: 1.5rem; border-left: 1px solid var(--paper-line); }
.pillars h3 { font-family: var(--f-display); font-weight: 600; font-size: var(--step-1); text-transform: uppercase; letter-spacing: 0.04em; display: flex; align-items: center; gap: 0.6rem; }
:lang(ja) .pillars h3 { font-family: var(--f-body); font-weight: 700; text-transform: none; }
.pillars h3::before { content: ""; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--sun); flex: none; }
.pillars p { color: var(--on-paper-muted); font-size: var(--step--1); line-height: 1.65; }
@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; border-top: 0; }
  .pillars li, .pillars li + li { padding: 1.25rem 0; border-left: 0; border-top: 1px solid var(--paper-line); }
}

/* Photo strip */
.strip { padding-bottom: clamp(4.5rem, 10vw, 8rem); }
.strip-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.25rem; }
.strip-row {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(200px, 1fr); gap: 0.75rem;
  overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 0.5rem; scrollbar-width: thin;
}
.strip-row figure { margin: 0; scroll-snap-align: start; display: grid; gap: 0.6rem; min-width: 0; }
.strip-row picture { display: contents; }
.strip-row img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 2px;
  filter: saturate(0.82) contrast(1.04);
}
.strip-row figcaption { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-paper-muted); }
:lang(ja) .strip-row figcaption { font-family: var(--f-body); letter-spacing: 0.06em; }
@media (max-width: 760px) { .strip-row { grid-auto-columns: 62%; } }

/* Menu */
.menu-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem 3rem; align-items: end; margin-bottom: clamp(2rem, 4vw, 3rem); }
.menu-head h2 { font-size: var(--step-3); }
.menu-head p { color: var(--on-paper-muted); max-width: 38rem; margin-top: 1rem; }
.menu-flag { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; color: var(--on-paper-muted); border: 1px solid var(--paper-line); padding: 0.4em 0.8em; border-radius: 2px; white-space: nowrap; }
:lang(ja) .menu-flag { font-family: var(--f-body); }
@media (max-width: 760px) { .menu-head { grid-template-columns: 1fr; } .menu-flag { white-space: normal; justify-self: start; } }

.menu-tabs { display: none; }
.js .menu-tabs {
  display: flex; gap: 0; overflow-x: auto; border-bottom: 1px solid var(--paper-line); margin-bottom: 2.5rem;
  scrollbar-width: none;
}
.menu-tabs button {
  flex: none; font: inherit; font-family: var(--f-mono); font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase;
  background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
  padding: 0.9rem 1.2rem; color: var(--on-paper-muted); cursor: pointer; white-space: nowrap;
}
:lang(ja) .menu-tabs button { font-family: var(--f-body); font-weight: 500; letter-spacing: 0.06em; }
.menu-tabs button:first-child { padding-left: 0; }
.menu-tabs button:hover { color: var(--on-paper); }
.menu-tabs button[aria-selected="true"] { color: var(--on-paper); border-bottom-color: var(--sun); }

.menu-panel + .menu-panel { margin-top: 4rem; }
.js .menu-panel + .menu-panel { margin-top: 0; }
.menu-panel-title { font-size: var(--step-2); margin-bottom: 2rem; }
.js .menu-panel-title { display: none; }
.menu-cols { columns: 2 22rem; column-gap: clamp(2rem, 5vw, 4.5rem); }
.menu-cat { break-inside: avoid; margin-bottom: 2.75rem; }
.menu-cat h3 {
  font-family: var(--f-display); font-weight: 600; font-size: var(--step-2); text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.1;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 0.7rem; border-bottom: 1px solid var(--on-paper);
}
:lang(ja) .menu-cat h3 { font-family: var(--f-body); font-weight: 700; text-transform: none; font-size: var(--step-1); }
.menu-cat h3 small { font-family: var(--f-body); font-weight: 500; font-size: var(--step--1); color: var(--on-paper-muted); text-transform: none; letter-spacing: 0.06em; }
:lang(ja) .menu-cat h3 small { font-family: var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.72rem; }
.menu-cat-note { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; color: var(--sun); margin-top: 0.7rem; }
:lang(ja) .menu-cat-note { font-family: var(--f-body); }
.menu-cat ul { list-style: none; margin: 0; padding: 0; }
.dish {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(4.5rem, auto); column-gap: 1rem;
  padding-block: 0.85rem; border-bottom: 1px dashed var(--paper-line);
}
.dish-name { font-weight: 700; line-height: 1.45; }
.dish-price { grid-row: 1; grid-column: 2; text-align: right; font-family: var(--f-mono); font-size: 0.9rem; white-space: nowrap; }
.dish-alt { grid-column: 1; font-size: var(--step--1); color: var(--on-paper-muted); line-height: 1.5; }
.dish-desc { grid-column: 1; font-size: var(--step--1); color: var(--on-paper-muted); line-height: 1.55; margin-top: 0.15rem; }
.dish-alt + .dish-desc { color: var(--on-paper); opacity: 0.78; }
.menu-note { margin-top: 1rem; color: var(--on-paper-muted); font-size: var(--step--1); }

/* Visit */
.visit-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.visit-head h2 { font-size: var(--step-3); }
.visit-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
@media (max-width: 860px) { .visit-grid { grid-template-columns: 1fr; } }
.visit-col { display: grid; gap: 2rem; min-width: 0; }
.visit-col h3 { color: var(--on-ink-muted); }
.hours { margin: 0; border-top: 1px solid var(--ink-line); }
.hours div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1rem; align-items: baseline; padding-block: 1rem; border-bottom: 1px solid var(--ink-line); }
.hours dt { font-family: var(--f-display); font-size: var(--step-3); font-weight: 500; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.hours dd { margin: 0; font-weight: 700; }
.hours dd span { display: block; font-weight: 400; font-size: var(--step--1); color: var(--on-ink-muted); }
.season { display: grid; gap: 0.2rem; }
.season strong { font-family: var(--f-display); font-weight: 500; font-size: var(--step-2); letter-spacing: 0.02em; color: var(--on-ink); }
:lang(ja) .season strong { font-family: var(--f-body); font-weight: 700; font-size: var(--step-1); }
.season span { color: var(--on-ink-muted); font-size: var(--step--1); }
.notes { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; color: var(--on-ink-muted); font-size: var(--step--1); }
.notes li { display: grid; grid-template-columns: 1rem minmax(0, 1fr); gap: 0.5rem; }
.notes li::before { content: ""; width: 0.45rem; height: 0.45rem; margin-top: 0.6em; border-radius: 50%; background: var(--sun); }

.address { font-style: normal; font-size: var(--step-1); line-height: 1.55; }
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 0.8rem; color: var(--on-ink-muted); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2.2rem minmax(0, 1fr); gap: 0.6rem; }
.steps li::before { content: "0" counter(step); font-family: var(--f-mono); font-size: 0.8rem; color: var(--sun); padding-top: 0.3em; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.contact { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink-line); }
.contact li { display: grid; grid-template-columns: 7rem minmax(0, 1fr) auto; gap: 0.75rem; align-items: center; padding-block: 0.85rem; border-bottom: 1px solid var(--ink-line); }
.contact .label { color: var(--on-ink-muted); font-size: 0.72rem; }
.contact a { text-decoration: none; overflow-wrap: anywhere; }
.contact a:hover { color: var(--sun); }
.copy-btn {
  font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--on-ink-muted); background: transparent; border: 1px solid var(--ink-line); border-radius: 2px;
  padding: 0.35em 0.8em; cursor: pointer; min-height: 32px;
}
:lang(ja) .copy-btn { font-family: var(--f-body); }
.copy-btn:hover { color: var(--on-ink); border-color: var(--on-ink-muted); }
.copy-btn[data-done] { color: var(--on-ink); border-color: var(--sun); }
@media (max-width: 480px) { .contact li { grid-template-columns: minmax(0, 1fr) auto; } .contact .label { grid-column: 1 / -1; } }

/* Book band */
.book { position: relative; overflow: hidden; isolation: isolate; background: var(--ink-2); color: var(--on-ink); border-top: 1px solid var(--ink-line); }
.book::before {
  content: ""; position: absolute; z-index: -1; border-radius: 50%; background: var(--sun);
  width: clamp(260px, 38vw, 520px); aspect-ratio: 1; right: clamp(-160px, -6vw, -40px); top: 50%; transform: translateY(-50%);
}
.book .wrap { padding-block: clamp(4.5rem, 10vw, 7.5rem); display: grid; gap: 1.5rem; }
.book h2 { font-size: var(--step-4); max-width: 12ch; }
:lang(ja) .book h2 { font-size: var(--step-3); max-width: 14em; }
.book p { max-width: 34rem; color: var(--on-ink-muted); }
.book .small { font-size: var(--step--1); }
.book .btn { justify-self: start; }
@media (max-width: 700px) { .book::before { width: 240px; right: -120px; top: 2.5rem; transform: none; opacity: 0.9; } }

/* Footer */
.site-footer { background: var(--ink); color: var(--on-ink-muted); }
.site-footer .wrap { padding-block: 3rem; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 1.5rem 2.5rem; align-items: center; }
.site-footer img { width: 72px; height: 72px; }
.site-footer p { font-size: var(--step--1); max-width: 46ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: flex-end; }
.footer-links a { color: var(--on-ink-muted); text-decoration: none; }
.footer-links a:hover { color: var(--on-ink); }
.site-footer .footer-copy { max-width: none; }
.footer-copy { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--ink-line); font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.08em; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr; } .footer-links { justify-content: flex-start; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}