/* ==========================================================
   Hanamizuki — 共通スタイル
   和モダン配色：生成り / 墨 / 抹茶 / 花水木（薄紅）
   ========================================================== */

:root {
  --color-bg: #f6f2ea;          /* 生成り */
  --color-surface: #fffdf8;
  --color-text: #2e2a26;        /* 墨 */
  --color-muted: #6f675e;
  --color-line: #ddd3c4;
  --color-primary: #5f6b47;     /* 抹茶 */
  --color-primary-dark: #48522f;
  --color-accent: #b9727c;      /* 花水木 */
  --color-wood: #8b6b4f;        /* 胡桃 */
  --color-placeholder: #e6dccd;

  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;

  --header-h: 64px;
  --max-w: 1080px;
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* 画像未配置時のプレースホルダー */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-placeholder);
  border-radius: var(--radius);
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame.is-missing img {
  visibility: hidden;
}

.img-frame.is-missing::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(246, 242, 234, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.site-header.is-scrolled {
  border-color: var(--color-line);
  box-shadow: 0 2px 12px rgba(46, 42, 38, 0.05);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--color-text);
  font-family: var(--font-serif);
}

.logo:hover {
  color: var(--color-text);
}

.logo__en {
  font-size: 1.35rem;
  letter-spacing: 0.12em;
}

.logo__ja {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.nav__list {
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__link {
  position: relative;
  color: var(--color-text);
  font-size: 0.95rem;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Page hero (下層ページ) ---------- */
.page-hero {
  padding: 72px 0 56px;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
}

.page-hero__en {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
}

.page-hero__title {
  margin: 8px 0 0;
  font-size: 2rem;
}

.page-hero__lead {
  margin: 16px 0 0;
  color: var(--color-muted);
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--color-surface);
}

.section-title {
  margin: 0 0 48px;
  text-align: center;
  font-size: 1.6rem;
}

.section-title__en {
  display: block;
  margin-bottom: 4px;
  color: var(--color-accent);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
}

.btn {
  display: inline-block;
  padding: 12px 40px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  transition: background 0.3s, color 0.3s;
}

.btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--fill {
  background: var(--color-primary);
  color: #fff;
}

.btn--fill:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.center {
  text-align: center;
}

/* ---------- Top: Hero ---------- */
.hero {
  position: relative;
  height: calc(100svh - var(--header-h));
  min-height: 480px;
  max-height: 820px;
}

.hero .img-frame {
  position: absolute;
  inset: 0;
  border-radius: 0;
}

.hero .img-frame.is-missing::after {
  content: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(46, 42, 38, 0.1), rgba(46, 42, 38, 0.45));
}

.hero__content {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
}

.hero__title {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

.hero__sub {
  margin: 32px 0 0;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.4em;
}

/* ---------- Top: Concept ---------- */
.concept {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.concept .img-frame {
  aspect-ratio: 4 / 5;
}

.concept__title {
  margin: 0 0 24px;
  font-size: 1.6rem;
}

.concept__text p {
  margin: 0 0 1.2em;
}

/* ---------- Top: Pickup ---------- */
.pickup {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 0 0 48px;
  padding: 0;
  list-style: none;
}

.pickup__item .img-frame {
  aspect-ratio: 1 / 1;
}

.pickup__name {
  margin: 16px 0 4px;
  font-size: 1.1rem;
}

.pickup__desc {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---------- Top: News ---------- */
.news {
  max-width: 760px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.news__item {
  display: flex;
  gap: 24px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--color-line);
}

.news__date {
  flex-shrink: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---------- Top: Info banner ---------- */
.info-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.info-banner .img-frame {
  aspect-ratio: 3 / 2;
}

/* ---------- Menu ---------- */
.menu-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 24px 0;
  list-style: none;
}

.menu-tabs a {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.menu-tabs a:hover {
  color: var(--color-accent);
}

.menu-category + .menu-category {
  margin-top: 96px;
}

.menu-category__head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 40px;
}

.menu-category__head .img-frame {
  aspect-ratio: 3 / 2;
}

.menu-category__title {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.menu-category__title small {
  display: block;
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
}

.menu-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-list__item {
  padding: 18px 0;
  border-bottom: 1px dashed var(--color-line);
}

.menu-list__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.menu-list__name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.menu-list__row::after {
  content: "";
  flex: 1;
  order: 1;
  border-bottom: 1px dotted var(--color-line);
}

.menu-list__price {
  order: 2;
  font-family: var(--font-serif);
}

.menu-list__desc {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.tag {
  display: inline-block;
  margin-left: 6px;
  padding: 0 8px;
  border-radius: 2px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  line-height: 1.8;
  vertical-align: middle;
}

.note {
  margin-top: 64px;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* ---------- Access ---------- */
.access {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 16px 8px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 7em;
  color: var(--color-primary);
  font-family: var(--font-serif);
  font-weight: 600;
  white-space: nowrap;
}

.map {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-placeholder);
}

.map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.route {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.route__item {
  counter-increment: route;
}

.route__item .img-frame {
  aspect-ratio: 4 / 3;
}

.route__item p {
  margin: 12px 0 0;
  font-size: 0.9rem;
}

.route__item p::before {
  content: counter(route) ". ";
  color: var(--color-accent);
  font-family: var(--font-serif);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 32px;
  background: var(--color-text);
  color: #d9d2c7;
  font-size: 0.85rem;
}

.site-footer a {
  color: #d9d2c7;
}

.site-footer a:hover {
  color: #fff;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__logo {
  margin: 0 0 8px;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
}

.footer__info p {
  margin: 0;
}

.footer__nav {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__copy {
  margin: 40px 0 0;
  color: #9c9388;
  font-size: 0.75rem;
  text-align: center;
}

/* ---------- Fade-in ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 2;
  }

  /* ヘッダーの backdrop-filter が fixed の基準になるため、ヘッダー基準で配置 */
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(100svh - var(--header-h));
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding-top: 64px;
  }

  .nav__link {
    font-family: var(--font-serif);
    font-size: 1.2rem;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  body.nav-open {
    overflow: hidden;
  }

  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 48px 0 40px;
  }

  .page-hero__title {
    font-size: 1.6rem;
  }

  .concept,
  .info-banner,
  .menu-category__head,
  .access {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .concept .img-frame {
    aspect-ratio: 4 / 3;
  }

  .pickup,
  .route {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .menu-list {
    grid-template-columns: 1fr;
  }

  .menu-category + .menu-category {
    margin-top: 64px;
  }

  .news__item {
    flex-direction: column;
    gap: 0;
  }

  .footer__inner {
    flex-direction: column;
  }
}