/* =========================================================================
   食百年の会 京都ビジット LP — style.css
   Claude Design カンプを実用HTML化。mobile-first（base=モバイル → 768 → 1280）。
   ブランド色替えは :root の --accent のみで完結。
   書体：Noto Serif JP（見出し）／ Noto Sans JP（本文）／ Space Grotesk（欧文ディスプレイ）
   ========================================================================= */

:root {
  /* --- 切替可能トークン --- */
  --accent: #B23A26;          /* 朱（CTA・強調）。候補: #B8862B / #22381F */

  /* --- 固定パレット --- */
  --bg: #F7F4EC;
  --panel: #F1EDE0;
  --panel-2: #FBF9F2;
  --ink: #1A1A17;
  --ink-soft: #3B3B35;
  --muted: #7A7A70;
  --green: #22381F;
  --green-mid: #4B6B3C;
  --green-pale: #8FBF6B;
  --green-soft: #A9C88F;
  --green-quiet: #B9CBA4;
  --line: rgba(26, 26, 23, 0.18);
  --line-strong: rgba(26, 26, 23, 0.25);
  --line-faint: rgba(26, 26, 23, 0.08);

  /* --- 書体 --- */
  --serif: 'Noto Serif JP', serif;
  --sans: 'Noto Sans JP', sans-serif;
  --latin: 'Space Grotesk', 'Noto Sans JP', sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }
a { color: inherit; }

/* スクロール出現アニメ（main.js が is-visible を付与） */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* =========================================================================
   NAV（base=モバイル：テキストリンクは畳み、ブランド＋申込のみ）
   ========================================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 clamp(16px, 4vw, 40px);
  height: 56px;
  background: rgba(247, 244, 236, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 26, 23, 0.1);
}
.nav__brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.nav__brand-ja { font-family: var(--serif); font-weight: 600; font-size: 16px; letter-spacing: 0.08em; }
.nav__brand-en { font-family: var(--latin); font-size: 10px; letter-spacing: 0.14em; color: var(--green-mid); text-transform: uppercase; }

/* ハンバーガーボタン（スマホのみ表示） */
.nav__toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; margin-right: -8px; padding: 0;
  background: none; border: none; cursor: pointer;
}
.nav__toggle-bar {
  display: block; width: 22px; height: 1.5px; margin: 0 auto;
  background: var(--ink); transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav.is-open .nav__toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.is-open .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* リンク群（スマホ：展開パネル） */
.nav__links {
  position: fixed; top: 56px; left: 0; right: 0;
  display: flex; flex-direction: column; align-items: stretch; gap: 0;
  background: rgba(247, 244, 236, 0.97);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 26, 23, 0.1);
  padding: 4px 0 14px;
  transform: translateY(-10px); opacity: 0; visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.nav.is-open .nav__links { transform: translateY(0); opacity: 1; visibility: visible; }
.nav__link {
  display: block; text-decoration: none; color: var(--ink);
  font-size: 13px; letter-spacing: 0.14em;
  padding: 14px clamp(20px, 6vw, 28px);
  border-bottom: 1px solid var(--line-faint);
}
.nav__cta {
  display: block; text-align: center; text-decoration: none;
  color: var(--bg); background: var(--accent);
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  padding: 13px 18px; margin: 14px clamp(20px, 6vw, 28px) 2px; white-space: nowrap;
}

/* =========================================================================
   共通レイアウト
   ========================================================================= */
.section { padding: clamp(72px, 12vh, 140px) clamp(20px, 6vw, 72px); }
.wrap { margin: 0 auto; width: 100%; }
.wrap--1200 { max-width: 1200px; }
.wrap--1080 { max-width: 1080px; }
.wrap--880 { max-width: 880px; }

.eyebrow {
  margin: 0 0 14px; font-family: var(--latin); font-size: 11px;
  letter-spacing: 0.3em; color: var(--green-mid); text-transform: uppercase;
}
.eyebrow--pale { color: var(--green-pale); }
.h2 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4.6vw, 46px); letter-spacing: 0.1em; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 84px clamp(20px, 6vw, 72px) 48px;
}
.hero__rule { display: none; position: absolute; top: 0; bottom: 0; width: 1px; background: var(--line-faint); }
.hero__rule--right { right: clamp(16px, 8vw, 120px); }
.hero__rule--left { left: clamp(16px, 8vw, 120px); }
.hero__tategaki {
  display: none; position: absolute; top: 112px; right: clamp(28px, 10vw, 140px);
  writing-mode: vertical-rl; font-family: var(--serif); font-size: clamp(13px, 1.6vw, 17px);
  letter-spacing: 0.42em; color: var(--ink-soft); line-height: 2;
}
.hero__inner { max-width: 1200px; width: 100%; margin: 0 auto; position: relative; }
.hero__kicker { margin: 0 0 20px; font-family: var(--latin); font-size: clamp(11px, 1.3vw, 13px); letter-spacing: 0.3em; color: var(--green-mid); text-transform: uppercase; }
.hero__title { margin: 0; font-family: var(--latin); font-weight: 700; font-size: clamp(52px, 11.5vw, 168px); line-height: 0.96; letter-spacing: -0.03em; color: var(--ink); }
.hero__title .accent { color: var(--accent); }
.hero__sub { margin: 18px 0 0; font-family: var(--serif); font-size: clamp(16px, 2.6vw, 22px); font-weight: 500; letter-spacing: 0.1em; color: var(--green); }
.hero__meta {
  margin-top: 32px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 32px;
  border-top: 1px solid var(--line-strong); padding-top: 20px; max-width: 760px;
}
.hero__meta-ja { margin: 0; font-family: var(--serif); font-size: clamp(16px, 2.4vw, 22px); font-weight: 600; letter-spacing: 0.12em; }
.hero__meta-date { margin: 0; font-family: var(--latin); font-size: clamp(14px, 2vw, 19px); font-weight: 500; letter-spacing: 0.05em; color: var(--ink-soft); }
.hero__meta-date .dash { color: var(--accent); }
.hero__meta-date .loc { font-size: 0.72em; letter-spacing: 0.24em; margin-left: 8px; color: var(--green-mid); }
.hero__lead { margin: 18px 0 0; font-size: clamp(13px, 1.6vw, 15px); line-height: 2.1; color: var(--ink-soft); max-width: 640px; }
.hero__figure { max-width: 1200px; width: 100%; margin: clamp(32px, 6vh, 64px) auto 0; position: relative; }
.hero__photo { height: clamp(200px, 32vh, 380px); }
.hero__caption { position: absolute; right: -1px; bottom: -1px; background: var(--bg); padding: 8px 0 0 14px; }
.hero__caption span { font-family: var(--latin); font-size: 10px; letter-spacing: 0.26em; color: var(--muted); text-transform: uppercase; }

/* =========================================================================
   写真スロット（実写真が用意でき次第 <picture>+<img loading="lazy"> へ差し替え）
   ========================================================================= */
.photo-slot {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 16px; overflow: hidden;
  background: repeating-linear-gradient(135deg, rgba(34,56,31,0.04) 0 12px, rgba(34,56,31,0.07) 12px 24px);
  border: 1px solid var(--line); color: var(--green-mid); text-align: center;
}
.photo-slot__label { font-family: var(--serif); font-size: 12.5px; letter-spacing: 0.14em; line-height: 1.8; }
.photo-slot img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* 実写真が入った枠：プレースホルダの斜線背景・枠線・余白を解除 */
.photo-slot--filled { padding: 0; border: none; background: none; }

/* =========================================================================
   CONCEPT
   ========================================================================= */
.concept { background: var(--green); color: #EFEBDD; }
.concept__grid { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 6vw, 88px); align-items: start; }
.concept__h2 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4.6vw, 46px); letter-spacing: 0.1em; line-height: 1.5; }
.concept__tategaki { margin-top: 24px; font-family: var(--serif); font-size: 14px; letter-spacing: 0.34em; color: var(--green-soft); line-height: 2.2; }
.concept__body { font-size: clamp(13.5px, 1.6vw, 15px); line-height: 2.3; color: #DCD7C6; }
.concept__body p { margin: 0 0 1.6em; }
.concept__body p:last-child { margin: 0; }

/* =========================================================================
   VISITS
   ========================================================================= */
.visits__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.visits__count { margin: 0; font-size: 12.5px; color: var(--muted); letter-spacing: 0.08em; }
.visits__lead { margin: 0 0 clamp(40px, 7vh, 72px); font-size: clamp(13px, 1.6vw, 14.5px); line-height: 2.1; color: var(--ink-soft); max-width: 620px; }
.visits__list { display: flex; flex-direction: column; gap: clamp(48px, 8vh, 88px); }
.company { border-top: 1px solid rgba(26, 26, 23, 0.2); padding-top: clamp(20px, 3vh, 32px); }
.company__grid { display: grid; grid-template-columns: 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.company__head { display: flex; align-items: flex-start; gap: 20px; }
.company__num { font-family: var(--latin); font-weight: 300; font-size: clamp(56px, 9vw, 104px); line-height: 0.9; color: var(--green); letter-spacing: -0.04em; }
.company__badges { padding-top: 10px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.tag { font-size: 10.5px; font-weight: 700; letter-spacing: 0.22em; padding: 5px 12px; border: 1px solid var(--green); color: var(--green); background: transparent; }
.tag--shinko { color: var(--bg); border-color: var(--accent); background: var(--accent); }
.tag--host { color: var(--bg); border-color: var(--green); background: var(--green); }
.company__cat { font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.company__name { margin: 22px 0 6px; font-family: var(--serif); font-weight: 600; font-size: clamp(24px, 3.4vw, 32px); letter-spacing: 0.08em; line-height: 1.4; }
.company__angle { margin: 0 0 16px; font-family: var(--serif); font-size: clamp(15px, 2vw, 18px); letter-spacing: 0.06em; color: var(--green-mid); }
.company__desc { margin: 0 0 22px; font-size: 13.5px; line-height: 2.1; color: var(--ink-soft); }
.company__link { display: inline-block; margin: 0 0 22px; font-family: var(--latin); font-size: 11px; letter-spacing: 0.14em; color: var(--green-mid); text-decoration: none; border-bottom: 1px solid var(--green-mid); padding-bottom: 2px; }
.company__link:hover { color: var(--accent); border-color: var(--accent); }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(26,26,23,0.18); border: 1px solid rgba(26,26,23,0.18); max-width: 520px; }
.kv__cell { padding: 14px 16px; }
.kv__cell--keep { background: var(--panel); }
.kv__cell--change { background: var(--panel-2); }
.kv__label { margin: 0 0 6px; font-family: var(--serif); font-size: 12px; letter-spacing: 0.28em; }
.kv__label--keep { color: var(--green); }
.kv__label--change { color: var(--accent); }
.kv__val { margin: 0; font-size: 12.5px; line-height: 1.9; color: var(--ink-soft); }
.company__photo-wrap { position: relative; }
.company__photo { height: clamp(220px, 30vw, 320px); }
.company__en { margin: 10px 0 0; font-family: var(--latin); font-size: 10px; letter-spacing: 0.24em; color: var(--muted); text-transform: uppercase; }

/* =========================================================================
   SCHEDULE
   ========================================================================= */
.schedule { background: var(--panel); }
.schedule__h2 { margin: 0 0 12px; }
.schedule__note { margin: 0 0 clamp(40px, 6vh, 64px); font-size: 13px; line-height: 2; color: var(--muted); }
.days { display: flex; flex-direction: column; gap: clamp(40px, 6vh, 56px); }
.day__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.day__label { font-family: var(--latin); font-weight: 600; font-size: clamp(22px, 3vw, 28px); letter-spacing: 0.02em; color: var(--green); }
.day__date { font-family: var(--serif); font-size: 15px; letter-spacing: 0.1em; }
.day__area { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; padding: 4px 10px; border: 1px solid rgba(34,56,31,0.4); color: var(--green); }
.day__optional { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; padding: 4px 10px; background: var(--accent); color: var(--bg); }
.day__items { border-left: 1px solid var(--line-strong); margin-left: 6px; display: flex; flex-direction: column; gap: 18px; padding: 4px 0; }
.slot { display: grid; grid-template-columns: minmax(56px, 96px) 1fr; gap: 12px; align-items: baseline; padding-left: 20px; position: relative; }
.slot__dot { position: absolute; left: -3.5px; top: 0.55em; width: 6px; height: 6px; background: var(--green); border-radius: 50%; }
.slot__time { font-family: var(--latin); font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--green-mid); }
.slot__time--num { font-size: 15px; }
.slot__title { margin: 0; font-size: 14px; font-weight: 500; line-height: 1.8; letter-spacing: 0.04em; }
.slot__note { margin: 2px 0 0; font-size: 12px; line-height: 1.8; color: var(--muted); }

/* =========================================================================
   WORKSHOP
   ========================================================================= */
.workshop__h2 { margin: 0 0 12px; }
.workshop__lead { margin: 0 0 clamp(40px, 6vh, 64px); font-size: clamp(13px, 1.6vw, 14.5px); line-height: 2.1; color: var(--ink-soft); max-width: 620px; }
.lenses { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: rgba(26,26,23,0.18); border: 1px solid rgba(26,26,23,0.18); }
.lens { background: var(--bg); padding: 22px 18px 26px; display: flex; flex-direction: column; gap: 12px; }
.lens__no { font-family: var(--serif); font-size: 15px; font-weight: 600; color: var(--green-mid); letter-spacing: 0.1em; }
.lens__name { font-family: var(--serif); font-size: clamp(17px, 2vw, 20px); font-weight: 600; letter-spacing: 0.12em; }
.lens__q { font-size: 11.5px; line-height: 1.9; color: var(--muted); }
.workshop__arrow { display: flex; justify-content: center; padding: 28px 0; }
.output { background: var(--green); color: #EFEBDD; padding: clamp(32px, 5vw, 56px); display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.output__label { margin: 0 0 10px; font-family: var(--latin); font-size: 11px; letter-spacing: 0.3em; color: var(--green-pale); text-transform: uppercase; }
.output__title { margin: 0; font-family: var(--serif); font-size: clamp(22px, 3.4vw, 32px); font-weight: 600; letter-spacing: 0.1em; line-height: 1.6; }
.output__title .en { font-family: var(--latin); letter-spacing: 0; margin: 0 0.2em; }
.output__desc { margin: 0; font-size: 12.5px; line-height: 2.1; color: var(--green-quiet); max-width: 420px; }

/* =========================================================================
   OVERVIEW
   ========================================================================= */
.overview { background: var(--panel); }
.overview__h2 { margin: 0 0 clamp(36px, 5vh, 56px); }
.facts { margin: 0; display: flex; flex-direction: column; }
.fact { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 18px 4px; border-top: 1px solid var(--line); }
.fact:last-of-type { border-bottom: 1px solid var(--line); }
.fact__k { margin: 0; font-family: var(--serif); font-size: 13.5px; font-weight: 600; letter-spacing: 0.16em; color: var(--green); }
.fact__v { margin: 0; font-size: 13.5px; line-height: 2; color: var(--ink-soft); }

/* =========================================================================
   CTA
   ========================================================================= */
.cta { padding: clamp(88px, 14vh, 160px) clamp(20px, 6vw, 72px); text-align: center; position: relative; }
.cta__inner { max-width: 720px; margin: 0 auto; position: relative; }
.cta__eyebrow { margin: 0 0 18px; }
.cta__title { margin: 0 0 14px; font-family: var(--serif); font-size: clamp(24px, 3.8vw, 36px); font-weight: 600; letter-spacing: 0.12em; line-height: 1.7; }
.cta__sub { margin: 0 0 40px; font-size: 13px; line-height: 2.1; color: var(--muted); }
.cta__button {
  display: block; background: var(--accent); color: var(--bg); text-decoration: none;
  font-weight: 700; font-size: 15px; letter-spacing: 0.22em; padding: 18px 24px; transition: filter 0.2s ease;
}
.cta__button:hover { filter: brightness(1.08); }
.cta__note { margin: 16px auto 0; max-width: 420px; font-size: 11.5px; line-height: 1.9; color: var(--muted); letter-spacing: 0.04em; }
.cta__foot { margin: 20px 0 0; font-family: var(--latin); font-size: 10px; letter-spacing: 0.26em; color: var(--muted); text-transform: uppercase; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer { background: var(--ink); color: #B9B5A6; padding: clamp(48px, 8vh, 72px) clamp(20px, 6vw, 72px); }
.footer__inner { max-width: 1080px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.footer__logo { width: min(200px, 46vw); height: auto; display: block; }
.footer__meta { font-size: 11.5px; line-height: 2.1; letter-spacing: 0.08em; }
.footer__meta-title { margin: 0; font-family: var(--serif); font-size: 14px; color: #EFEBDD; letter-spacing: 0.16em; }
.footer__meta p + p { margin: 6px 0 0; }
.footer__note { margin: 20px 0 0; font-size: 10.5px; color: var(--muted); letter-spacing: 0.06em; }

/* =========================================================================
   ≥ 768px（タブレット以上）
   ========================================================================= */
@media (min-width: 768px) {
  /* ナビ：ハンバーガーを隠し、リンクを横並びに戻す */
  .nav__toggle { display: none; }
  .nav__links {
    position: static; flex-direction: row; align-items: center; gap: clamp(12px, 2.5vw, 28px);
    background: none; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: none;
    padding: 0; transform: none; opacity: 1; visibility: visible; transition: none;
  }
  .nav__link { display: inline; font-size: 12px; letter-spacing: 0.12em; padding: 0; border-bottom: none; }
  .nav__cta { display: inline-block; margin: 0; padding: 8px 18px; font-size: 12px; }
  .hero { padding-top: 96px; }
  .hero__rule { display: block; }
  .hero__tategaki { display: block; }
  .concept__grid { grid-template-columns: 1fr 1fr; }
  .concept__tategaki { writing-mode: vertical-rl; height: 180px; margin-top: 28px; }
  .company__grid { grid-template-columns: 1fr 1fr; }
  .fact { grid-template-columns: minmax(120px, 180px) 1fr; gap: 16px; }
  .fact__k { letter-spacing: 0.2em; }
  .output { flex-direction: row; align-items: center; justify-content: space-between; gap: 24px; }
  .slot { grid-template-columns: minmax(84px, 110px) 1fr; }
}

/* =========================================================================
   ≥ 1280px（デスクトップワイド）
   ========================================================================= */
@media (min-width: 1280px) {
  .company__grid { gap: 56px; }
  .visits__list { gap: 88px; }
}