/* =========================================================
   Design tokens — 配色・余白をここで一括管理
   BAR NOCTURNE: 黒〜濃紺 × ゴールドの大人向けダークテーマ
   コントラスト比 4.5:1 以上を満たす値にすること(検証済み)
   ========================================================= */
:root {
  --color-bg: #0a0a0c;        /* ほぼ黒の背景 */
  --color-bg-alt: #141319;    /* セクション区切り用の少し明るい濃紺グレー */
  --color-bg-alt2: #1b1a20;   /* ヘッダー等、さらに一段明るい面 */
  --color-fg: #efe7d8;        /* 本文: bgで ~16:1 */
  --color-muted: #b9ad93;     /* 補助テキスト(温かみのあるグレー): bgで ~8.9:1 */
  --color-primary: #d4af6a;   /* ゴールド。リンク/アクセント。bgで ~9.5:1 */
  --color-primary-fg: #1a1408;/* ゴールド背景の上の文字。~8.8:1 */
  --color-border: #3a362c;    /* 装飾的な境界線(温かみのあるダークグレー) */
  --color-focus: #f0c987;     /* フォーカスリング。bgで ~12.6:1、視認性重視 */
  --color-input-bg: #17161b;  /* フォーム入力欄の背景(bgよりわずかに明るい) */
  --color-error: #ff9b9b;     /* エラー文言。bgで ~7.8:1 */
  --color-success: #8fd19e;   /* 成功文言。bgで ~11:1 */

  --font: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP",
          "Yu Gothic", Meiryo, sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "Georgia", "Times New Roman",
          serif;
  --maxw: 1100px;
  --radius: 12px;
  --space: clamp(1rem, 2.5vw, 2rem);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--color-fg);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 1rem;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); }

/* フォーカスを消さない(a11y) */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { width: min(100% - 2 * var(--space), var(--maxw)); margin-inline: auto; }
.container--narrow { max-width: 760px; }
.prose h2 { margin-top: 2rem; margin-bottom: .4rem; font-size: 1.25rem; font-family: var(--font-serif); }
.prose p { color: var(--color-muted); }

.skip-link {
  position: absolute; left: 8px; top: -48px;
  background: var(--color-primary); color: var(--color-primary-fg);
  padding: .5rem .9rem; border-radius: 8px; z-index: 100;
  transition: top .15s ease;
}
.skip-link:focus { top: 8px; }

/* =========================
   Header / Nav
   ========================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  width: min(100% - 2 * var(--space), var(--maxw));
  margin-inline: auto; padding-block: .8rem;
}
.nav__brand {
  font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem;
  letter-spacing: .06em; text-decoration: none; color: var(--color-fg);
}
.nav__menu {
  display: flex; gap: 1.4rem; list-style: none; padding: 0;
}
.nav__menu a { text-decoration: none; color: var(--color-fg); font-weight: 500; }
.nav__menu a:hover { color: var(--color-primary); }
.nav__toggle { display: none; }

/* =========================
   Buttons
   ========================= */
.btn {
  display: inline-block; padding: .7rem 1.3rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn--primary { background: var(--color-primary); color: var(--color-primary-fg); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(212,175,106,.28); }
.btn--ghost { border-color: var(--color-border); color: var(--color-fg); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--color-primary); color: var(--color-primary); }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* =========================
   Hero — 写真素材を使わず、CSSのグラデーションだけで
   「灯りを落とした大人の隠れ家」を表現する
   ========================= */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 12vw, 9rem);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 55% 45% at 22% 15%, rgba(212, 175, 106, .16), transparent 62%),
    radial-gradient(ellipse 45% 40% at 82% 75%, rgba(212, 175, 106, .10), transparent 60%),
    radial-gradient(ellipse 70% 60% at 50% 105%, rgba(212, 175, 106, .07), transparent 65%),
    linear-gradient(180deg, #0a0a0c 0%, #0d0c10 55%, #0a0a0c 100%);
}
/* うっすらとしたスポットライトの粒感(装飾のみ・alt不要) */
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 2;
  background-image: radial-gradient(rgba(239, 231, 216, .05) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .35;
  pointer-events: none;
}
/* ヒーロー背景写真。フェードさせず、そのままの濃さで見せる */
.hero__photo {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover; object-position: center;
}
/* 文字を読みやすくするための濃淡オーバーレイ(写真自体は薄めない) */
.hero__scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(10,10,12,.9) 0%, rgba(10,10,12,.7) 40%, rgba(10,10,12,.42) 70%, rgba(10,10,12,.62) 100%);
}
.hero__inner { position: relative; z-index: 3; text-align: center; }
.hero__eyebrow {
  font-family: var(--font-serif); color: var(--color-primary);
  letter-spacing: .3em; text-transform: uppercase; font-size: .8rem;
  margin-bottom: 1rem;
}
.hero__title {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.1rem, 6vw, 3.6rem); line-height: 1.3; letter-spacing: .04em;
}
.hero__lead {
  color: var(--color-muted); font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin-top: 1.4rem; line-height: 1.9;
}
.hero__actions { margin-top: 2.4rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* =========================
   Sections
   ========================= */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--alt { background: var(--color-bg-alt); }
.section__eyebrow {
  font-family: var(--font-serif); color: var(--color-primary);
  letter-spacing: .3em; text-transform: uppercase; font-size: .78rem;
  text-align: center; margin-bottom: .6rem;
}
.section__title {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.3rem); letter-spacing: .05em; text-align: center;
}
.section__lead { color: var(--color-muted); text-align: center; max-width: 62ch; margin: 1.1rem auto 2.5rem; }

.photo-strip { max-width: 900px; margin: 0 auto 2.4rem; overflow: hidden; border-radius: var(--radius); }
.photo-strip img {
  display: block; width: 100%; height: clamp(220px, 32vw, 380px);
  object-fit: cover;
}

.grid { display: grid; gap: 1.4rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.6rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,.45); border-color: var(--color-primary); }
.card__title { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; margin-bottom: .5rem; letter-spacing: .02em; }

/* =========================
   About: 非対称の2カラム(本文 + 引用ブロック)
   ========================= */
.split {
  display: grid; gap: 2.4rem;
  grid-template-columns: 1.5fr 1fr;
  align-items: start;
}
.split__text { display: grid; gap: 1.1rem; color: var(--color-muted); }
.split__text p:first-child { color: var(--color-fg); }

.quote {
  background: var(--color-bg-alt2); border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius); padding: 1.8rem 1.6rem;
}
.quote__text {
  font-family: var(--font-serif); font-size: 1.08rem; line-height: 1.85;
  color: var(--color-fg);
}
.quote__cite { margin-top: 1rem; color: var(--color-primary); font-size: .88rem; letter-spacing: .04em; }
.quote--staff { max-width: 640px; margin: 0 auto 2.5rem; }

/* =========================
   ドリンクメニュー(カード化せず、メニュー表そのものの見た目に)
   ========================= */
.menu-list { max-width: 720px; margin: 0 auto; }
.menu-list__cat {
  font-family: var(--font-serif); color: var(--color-primary);
  font-size: 1rem; letter-spacing: .12em; text-transform: uppercase;
  margin-top: 2.2rem; padding-bottom: .5rem; border-bottom: 1px solid var(--color-border);
}
.menu-list__cat:first-child { margin-top: 0; }
.menu-list__items { list-style: none; padding: 0; }
.menu-row {
  padding-block: 1.1rem; border-bottom: 1px solid var(--color-border);
}
.menu-row__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem;
}
.menu-row__name { font-family: var(--font-serif); font-weight: 600; font-size: 1.05rem; }
.menu-row__price {
  font-family: var(--font-serif); color: var(--color-primary);
  font-weight: 700; white-space: nowrap;
}
.menu-row__desc { color: var(--color-muted); margin-top: .4rem; }
.menu-note { color: var(--color-muted); text-align: center; margin-top: 2rem; font-size: .92rem; }

/* =========================
   募集要項(dl)
   ========================= */
.job-info {
  max-width: 640px; margin: 0 auto 2.5rem; border-top: 1px solid var(--color-border);
}
.job-info__row {
  display: grid; grid-template-columns: 8.5em 1fr; gap: 1rem;
  padding-block: .8rem; border-bottom: 1px solid var(--color-border);
}
.job-info__row dt { color: var(--color-primary); font-weight: 600; }
.job-info__row dd { color: var(--color-fg); }

/* =========================
   Forms
   ========================= */
.form { max-width: 620px; margin-inline: auto; display: grid; gap: 1.2rem; }
.form__row { display: grid; gap: .4rem; }
.form label { font-weight: 600; }
.req { color: var(--color-error); }
.form input, .form textarea {
  font: inherit; padding: .7rem .9rem;
  border: 1px solid var(--color-border); border-radius: 10px;
  background: var(--color-input-bg); color: var(--color-fg); width: 100%;
}
.form input::placeholder, .form textarea::placeholder { color: var(--color-muted); opacity: .8; }
.form input:focus, .form textarea:focus { border-color: var(--color-primary); outline: none; }
.field-error { color: var(--color-error); font-size: .9rem; min-height: 1.2em; }
.form__status { min-height: 1.4em; font-weight: 600; }
.form__status[data-state="ok"] { color: var(--color-success); }
.form__status[data-state="err"] { color: var(--color-error); }

/* ハニーポット: 視覚・スクリーンリーダー両方から隠す */
.hp-field {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden;
}

/* =========================
   Footer
   ========================= */
.site-footer { border-top: 1px solid var(--color-border); padding-block: 2.4rem; background: var(--color-bg-alt); }
.site-footer__grid {
  display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding-bottom: 1.6rem; margin-bottom: 1.6rem; border-bottom: 1px solid var(--color-border);
}
.site-footer__name { font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: .06em; color: var(--color-fg); }
.site-footer__tagline { color: var(--color-primary); margin-top: .3rem; font-family: var(--font-serif); }
.site-footer__info { color: var(--color-muted); display: grid; gap: .3rem; font-size: .92rem; }
.site-footer__inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }
.site-footer__links { display: flex; gap: 1rem; list-style: none; padding: 0; }
.site-footer__links a { color: var(--color-muted); text-decoration: none; }
.site-footer__links a:hover { color: var(--color-primary); }

/* =========================
   Reveal animation(ちょっとした動き)
   IntersectionObserver が .is-visible を付与する
   ========================= */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================
   Mobile nav
   ========================= */
@media (max-width: 720px) {
  .nav__toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; background: none; border: 1px solid var(--color-border);
    border-radius: 10px; cursor: pointer;
  }
  .nav__toggle-bar, .nav__toggle-bar::before, .nav__toggle-bar::after {
    content: ""; display: block; width: 20px; height: 2px; background: var(--color-fg);
    position: relative; transition: transform .2s ease;
  }
  .nav__toggle-bar::before { position: absolute; top: -6px; }
  .nav__toggle-bar::after { position: absolute; top: 6px; }
  .nav__menu {
    position: absolute; inset-inline: 0; top: 100%;
    flex-direction: column; gap: 0; background: var(--color-bg-alt2);
    border-bottom: 1px solid var(--color-border);
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .nav__menu li { border-top: 1px solid var(--color-border); }
  .nav__menu a { display: block; padding: .9rem var(--space); }
  .nav[data-open="true"] .nav__menu { max-height: 380px; }
  .job-info__row { grid-template-columns: 1fr; gap: .2rem; }
  .split { grid-template-columns: 1fr; }
}

/* =========================
   動きを減らす設定を尊重(a11y 必須)
   ========================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}
.site-footer__disclaimer { color: var(--color-muted); font-size: .78rem; margin-top: 1.2rem; text-align: center; }