/*
Theme Name: Ristorante La Quercia
Theme URI: https://example.com/
Author: Created with Claude Code
Author URI: https://claude.com/claude-code
Description: 六甲の丘にある小さなイタリア料理店のための、上品でミニマルな1ページ・ランディングテーマ。クリーム/ゴールド基調・セリフ書体・フルスクリーンのヒーロースライダーを備えた、レストラン向けのデザインです。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: la-quercia
*/

/* =========================================================
   1. Design Tokens
   ========================================================= */
:root {
  --bg:        #faf7f1;
  --bg-alt:    #f3ede2;
  --bg-dark:   #2b2926;
  --text:      #2b2926;
  --muted:     #6f665a;
  --gold:      #b08d4f;
  --gold-dark: #8a6d3a;
  --line:      #e4ddce;
  --white:     #ffffff;

  --serif: "Cormorant Garamond", "Shippori Mincho", "Noto Serif JP", serif;
  --mincho: "Shippori Mincho", "Noto Serif JP", serif;
  --sans: "Zen Kaku Gothic New", "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

/* =========================================================
   2. Reset / Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s, opacity .25s; }
a:hover { color: var(--gold-dark); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-weight: 400; margin: 0; line-height: 1.4; }

/* =========================================================
   3. Layout helpers
   ========================================================= */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 11vw, 140px) 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--bg-dark); color: #efe9df; }
.section--dark .lead-jp { color: #cfc6b6; }

/* Section heading block */
.sec-head { text-align: center; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head .en {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: .08em;
  color: var(--gold-dark);
  font-style: italic;
}
.sec-head .jp {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mincho);
  font-size: .95rem;
  letter-spacing: .35em;
  color: var(--muted);
  position: relative;
  padding-top: 18px;
}
.sec-head .jp::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 36px; height: 1px;
  background: var(--gold);
}
.section--dark .sec-head .jp { color: #b9b1a2; }

.lead-jp { font-family: var(--mincho); color: var(--muted); }

/* =========================================================
   4. Header / Navigation
   ========================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  transition: background .4s, padding .4s, box-shadow .4s;
}
.site-header.is-scrolled {
  background: rgba(250, 247, 241, .94);
  backdrop-filter: blur(6px);
  padding: 14px var(--gutter);
  box-shadow: 0 1px 0 var(--line);
}
.brand {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: .14em;
  color: #fff;
  line-height: 1.1;
}
.brand small {
  display: block;
  font-family: var(--sans);
  font-size: .58rem;
  letter-spacing: .4em;
  margin-top: 4px;
  opacity: .85;
}
.is-scrolled .brand,
.is-scrolled .nav-links a { color: var(--text); }
.is-scrolled .brand { color: var(--gold-dark); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: #fff;
  font-size: .8rem;
  letter-spacing: .18em;
  font-family: var(--mincho);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s;
}
.nav-links a:hover::after { width: 100%; }

.nav-reserve {
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 9px 20px;
  font-size: .72rem;
  letter-spacing: .2em;
  border-radius: 2px;
  transition: background .3s, color .3s;
}
.nav-reserve:hover { background: var(--gold); color: #fff !important; }
.is-scrolled .nav-reserve { color: var(--gold-dark) !important; border-color: var(--gold-dark); }
.is-scrolled .nav-reserve:hover { background: var(--gold-dark); color: #fff !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  width: 30px; height: 22px;
  background: none; border: 0; padding: 0;
  cursor: pointer; position: relative; z-index: 110;
}
.nav-toggle span {
  position: absolute; left: 0;
  width: 100%; height: 1.5px;
  background: #fff;
  transition: transform .3s, opacity .3s, background .3s;
}
.is-scrolled .nav-toggle span,
.nav-open .nav-toggle span { background: var(--text); }
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 18px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* =========================================================
   5. Hero / Slider
   ========================================================= */
.hero { position: relative; height: 100vh; min-height: 560px; overflow: hidden; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-color: #3a342c; /* fallback if image missing */
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.6s ease, transform 7s ease;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,17,13,.45) 0%, rgba(20,17,13,.2) 40%, rgba(20,17,13,.55) 100%);
  z-index: 1;
}
.hero-copy {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0 var(--gutter);
}
.hero-copy .en {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  letter-spacing: .04em;
  line-height: 1.15;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.hero-copy .jp {
  margin-top: 22px;
  font-family: var(--mincho);
  font-size: clamp(.9rem, 2.4vw, 1.15rem);
  letter-spacing: .3em;
  text-shadow: 0 2px 14px rgba(0,0,0,.4);
}
.hero-scroll {
  position: absolute;
  z-index: 2;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  color: #fff;
  font-size: .62rem;
  letter-spacing: .3em;
  writing-mode: vertical-rl;
  display: flex; align-items: center; gap: 12px;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 48px;
  background: rgba(255,255,255,.7);
  animation: scrollline 2s ease-in-out infinite;
}
@keyframes scrollline {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =========================================================
   6. Intro / Lead
   ========================================================= */
.intro { text-align: center; }
.intro .en {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold-dark);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  letter-spacing: .06em;
}
.intro h2 {
  font-family: var(--mincho);
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  letter-spacing: .12em;
  margin: 26px 0;
  line-height: 1.9;
}
.intro p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--muted);
  font-family: var(--mincho);
}

/* =========================================================
   7. Concept (image + text rows)
   ========================================================= */
.feature-row {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
}
.feature-row + .feature-row { margin-top: clamp(50px, 8vw, 110px); }
.feature-row.reverse .feature-media { order: 2; }
.feature-media {
  aspect-ratio: 4 / 3;
  background: var(--bg-alt) center/cover no-repeat;
  border-radius: 2px;
  overflow: hidden;
}
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-text .num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
  font-size: 1.4rem;
  letter-spacing: .1em;
}
.feature-text h3 {
  font-family: var(--mincho);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  letter-spacing: .08em;
  margin: 10px 0 20px;
}
.feature-text p { color: var(--muted); font-family: var(--mincho); margin: 0; }

/* =========================================================
   8. Menu
   ========================================================= */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 34px);
  margin-bottom: clamp(48px, 7vw, 84px);
}
.menu-card .ph {
  aspect-ratio: 1 / 1;
  background: var(--bg-alt) center/cover no-repeat;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 18px;
}
.menu-card .ph img { width: 100%; height: 100%; object-fit: cover; }
.menu-card h4 {
  font-family: var(--mincho);
  font-size: 1.05rem;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.menu-card .en { font-family: var(--serif); font-style: italic; color: var(--gold); font-size: .95rem; }
.menu-card p { color: var(--muted); font-size: .85rem; margin: 8px 0 0; }

.course-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  max-width: 880px;
  margin: 0 auto;
}
.course {
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(28px, 4vw, 44px);
  border-radius: 2px;
  text-align: center;
}
.section--alt .course { background: var(--bg); }
.course .en {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.7rem;
  color: var(--gold-dark);
}
.course .jp { font-family: var(--mincho); letter-spacing: .2em; font-size: .85rem; color: var(--muted); margin-top: 4px; }
.course .price {
  font-family: var(--serif);
  font-size: 2.4rem;
  margin: 20px 0 4px;
  letter-spacing: .02em;
}
.course .price small { font-size: .9rem; color: var(--muted); }
.course ul { margin-top: 22px; border-top: 1px solid var(--line); }
.course li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mincho);
  font-size: .9rem;
  color: var(--text);
}
.course li span { display: block; font-size: .75rem; color: var(--muted); margin-top: 2px; }

/* =========================================================
   9. Wine (dark band)
   ========================================================= */
.wine-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
}
.wine-media { aspect-ratio: 4/3; background: #1f1c18 center/cover no-repeat; border-radius: 2px; overflow: hidden; }
.wine-media img { width: 100%; height: 100%; object-fit: cover; }
.wine-text .en {
  font-family: var(--serif); font-style: italic;
  color: var(--gold); font-size: clamp(1.6rem, 4vw, 2.4rem);
}
.wine-text h3 { font-family: var(--mincho); letter-spacing: .1em; margin: 14px 0 22px; font-size: 1.4rem; }
.wine-text p { color: #cfc6b6; font-family: var(--mincho); }

/* =========================================================
   10. Staff
   ========================================================= */
.staff { text-align: center; max-width: 720px; margin: 0 auto; }
.staff .portrait {
  width: clamp(160px, 30vw, 230px);
  aspect-ratio: 1/1;
  border-radius: 50%;
  margin: 0 auto 30px;
  background: var(--bg-alt) center/cover no-repeat;
  overflow: hidden;
  border: 1px solid var(--line);
}
.staff .portrait img { width: 100%; height: 100%; object-fit: cover; }
.staff .role { font-family: var(--serif); font-style: italic; color: var(--gold); letter-spacing: .1em; }
.staff h3 { font-family: var(--mincho); font-size: 1.5rem; letter-spacing: .12em; margin: 8px 0 22px; }
.staff p { color: var(--muted); font-family: var(--mincho); }

/* =========================================================
   11. Access / Info
   ========================================================= */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td {
  text-align: left;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: .92rem;
}
.info-table th {
  width: 34%;
  font-family: var(--mincho);
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--gold-dark);
  white-space: nowrap;
}
.info-table td { font-family: var(--mincho); color: var(--text); }
.map-frame {
  aspect-ratio: 4/3;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg-alt);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* =========================================================
   12. Reservation CTA
   ========================================================= */
.cta { text-align: center; }
.cta .en { font-family: var(--serif); font-style: italic; color: var(--gold); font-size: clamp(1.8rem, 5vw, 3rem); }
.cta h2 { font-family: var(--mincho); letter-spacing: .14em; margin: 16px 0 30px; font-size: 1.2rem; }
.cta .tel {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: .04em;
  display: inline-block;
  margin-bottom: 6px;
}
.cta .tel-note { color: var(--muted); font-family: var(--mincho); font-size: .85rem; }
.btn {
  display: inline-block;
  margin-top: 30px;
  padding: 16px 48px;
  border: 1px solid var(--gold);
  color: var(--gold-dark);
  font-family: var(--mincho);
  letter-spacing: .22em;
  font-size: .9rem;
  border-radius: 2px;
  transition: background .3s, color .3s;
}
.btn:hover { background: var(--gold); color: #fff; }
.section--dark .btn { color: var(--gold); }
.section--dark .btn:hover { color: #fff; }

/* =========================================================
   13. Footer
   ========================================================= */
.site-footer {
  background: var(--bg-dark);
  color: #d8d1c4;
  padding: clamp(56px, 8vw, 90px) 0 40px;
  text-align: center;
}
.site-footer .brand { color: #fff; font-size: 1.8rem; }
.footer-nav {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 26px;
  margin: 32px 0;
}
.footer-nav a { font-family: var(--mincho); font-size: .82rem; letter-spacing: .14em; color: #cfc6b6; }
.footer-nav a:hover { color: var(--gold); }
.social { display: flex; justify-content: center; gap: 22px; margin: 26px 0; }
.social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  display: grid; place-items: center;
  color: #cfc6b6;
}
.social a:hover { border-color: var(--gold); color: var(--gold); }
.social svg { width: 16px; height: 16px; fill: currentColor; }
.copyright { font-size: .72rem; letter-spacing: .15em; color: #8c8576; margin-top: 24px; font-family: var(--mincho); }

/* =========================================================
   14. Reveal animation
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s ease, transform 1s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* =========================================================
   15. Responsive
   ========================================================= */
@media (max-width: 880px) {
  .feature-row, .wine-row, .info-grid, .course-wrap { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-media { order: 0; }
  .menu-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }

  .nav-toggle { display: block; }
  .nav-links, .nav-reserve { display: none; }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: rgba(250,247,241,.98);
    backdrop-filter: blur(8px);
    transform: translateX(100%);
    transition: transform .45s ease;
  }
  .nav-open .nav { transform: none; }
  .nav-open .nav-links { display: flex; flex-direction: column; align-items: center; gap: 26px; }
  .nav-open .nav-links a { color: var(--text); font-size: 1rem; }
  .nav-open .nav-reserve { display: inline-block; color: var(--gold-dark) !important; border-color: var(--gold-dark); }
  body.nav-open { overflow: hidden; }
}