/*
Theme Name: NV galerie
Theme URI: https://nvgalerie.jp
Author: CREET LLC
Author URI: https://creetllc.com
Description: NV galerie 公式サイト用オリジナルテーマ骨組み。メガギャラリー的な、写真・映像を主役にしたエディトリアルなレイアウト。
Version: 0.4.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nv-galerie
*/

/* =========================================================
   0. Design Tokens
   ========================================================= */
:root{
  --paper:        #FFFFFF;  /* primary background — let imagery carry the page */
  --paper-alt:    #F4F3F0;  /* quiet section band */
  --ink:          #0A0A0A;  /* near-black, used for the one bold moment: the nav overlay */
  --ink-soft:     #6B6B65;  /* secondary text */
  --indigo:       #2C3A55;  /* single brand accent — used sparingly (links, current tag) */
  --line:         #E4E2DB;  /* hairline rule on white */
  --line-on-dark: rgba(255,255,255,.22);

  --font-display: "Shippori Mincho B1", "Cormorant Garamond", serif;
  --font-body:    "Noto Serif JP", "EB Garamond", serif;
  --font-sans:    "Zen Kaku Gothic New", "Inter", sans-serif;

  --gutter: clamp(20px, 4vw, 64px);
  --measure: 66ch;
}

/* =========================================================
   1. Reset / Base
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
body.nav-open{ overflow: hidden; }
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.25;
  margin: 0 0 0.6em;
}
h1{ font-size: clamp(2.1rem, 6vw, 4.2rem); letter-spacing: .01em; }
h2{ font-size: clamp(1.5rem, 3.4vw, 2.3rem); }
h3{ font-size: 1.15rem; }
p{ margin: 0 0 1.2em; max-width: var(--measure); }
:focus-visible{ outline: 2px solid var(--indigo); outline-offset: 3px; }

.eyebrow{
  font-family: var(--font-sans);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--indigo);
}

.container{
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.bleed{ width: 100%; }

.hairline{ border: none; border-top: 1px solid var(--line); margin: 0; }

/* =========================================================
   2. Header — logo + single menu trigger (mega-gallery pattern)
   ========================================================= */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  mix-blend-mode: normal;
}
.site-header__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px var(--gutter);
}
.site-logo{
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: .1em;
  color: var(--home-header-color, var(--ink));
}
.site-logo span{ color: var(--indigo); }

/* Horizontal nav (always visible) */
.site-nav{ display: none; }
.site-nav ul{ display: flex; align-items: center; gap: clamp(18px, 2.6vw, 40px); }
.site-nav a{
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .05em;
  color: var(--home-header-color, var(--ink));
  position: relative;
  padding-bottom: 3px;
}
.site-nav a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: currentColor;
  transition: right .2s ease;
}
.site-nav a:hover::after{ right: 0; }
@media (min-width: 780px){
  .site-nav{ display: block; }
  .nav-toggle{ display: none; }
}

.nav-toggle{
  background: none;
  border: none;
  cursor: pointer;
  color: var(--home-header-color, var(--ink));
}
.nav-toggle__bars{ display: flex; flex-direction: column; gap: 5px; width: 24px; }
.nav-toggle__bars span{ display: block; height: 1px; background: currentColor; }

/* When header sits over the full-bleed hero, force it light so it reads on imagery */
.has-hero .site-header{ --home-header-color: #FFFFFF; }
.has-hero .site-header::before{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 100%);
  pointer-events: none;
  z-index: -1;
}
.has-hero .site-header{ position: fixed; }

/* =========================================================
   3. Mobile nav dropdown (below 780px)
   ========================================================= */
.mobile-nav{
  display: none;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 6px var(--gutter) 18px;
}
.mobile-nav.is-open{ display: block; }
.mobile-nav ul{ display: flex; flex-direction: column; }
.mobile-nav a{
  display: block;
  font-family: var(--font-sans);
  font-size: .95rem;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
@media (min-width: 780px){
  .mobile-nav{ display: none !important; }
}

/* =========================================================
   4. Hero — full-bleed image, minimal overlay text
   ========================================================= */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero__media{ position: absolute; inset: 0; }
.hero__media img{ width: 100%; height: 100%; object-fit: cover; }
.hero__media::after{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,.55) 100%);
}
.hero--fallback .hero__media{ background: var(--ink); }
.hero__content{
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) clamp(50px, 8vw, 90px);
  max-width: 900px;
}
.hero__content .eyebrow{ color: rgba(255,255,255,.75); }
.hero__content h1{ color: #fff; }
.hero__content p{ color: rgba(255,255,255,.85); max-width: 48ch; }

/* Simple text-only hero fallback, used when no image is set */
.hero--plain{
  min-height: auto;
  padding: clamp(160px, 20vw, 240px) var(--gutter) clamp(60px, 8vw, 100px);
  color: var(--ink);
  align-items: flex-start;
}
.hero--plain .eyebrow{ color: var(--indigo); }
.hero--plain h1{ color: var(--ink); }
.hero--plain p{ color: var(--ink-soft); }

/* =========================================================
   5. Section utilities
   ========================================================= */
.section{ padding: clamp(60px, 9vw, 120px) 0; }
.section--alt{ background: var(--paper-alt); }
.section__head{
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 48px; flex-wrap: wrap;
  padding: 0 var(--gutter);
}

/* =========================================================
   6. Exhibitions — editorial full-width rows (mega-gallery listing)
   ========================================================= */
.editorial-list{ display: flex; flex-direction: column; }
.editorial-row{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: stretch;
  border-top: 1px solid var(--line);
  transition: background .2s ease;
}
.editorial-row:last-child{ border-bottom: 1px solid var(--line); }
.editorial-row:hover{ background: var(--paper-alt); }
.editorial-row__media{ aspect-ratio: 4/3; overflow: hidden; }
.editorial-row__media img{ width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.editorial-row:hover .editorial-row__media img{ transform: scale(1.03); }
.editorial-row__text{
  padding: clamp(24px, 3vw, 56px) var(--gutter);
  display: flex; flex-direction: column; justify-content: center;
}
.editorial-row__tag{ font-family: var(--font-sans); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--indigo); margin-bottom: 10px; }
.editorial-row__title{ font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2.1rem); margin-bottom: 8px; }
.editorial-row__meta{ font-family: var(--font-sans); font-size: .85rem; color: var(--ink-soft); }
@media (max-width: 780px){
  .editorial-row{ grid-template-columns: 1fr; }
}

/* =========================================================
   7. Artists — hover-reveal image grid (gallery roster style)
   ========================================================= */
.roster{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  padding: 0 var(--gutter);
}
.roster__item{
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--paper-alt);
}
.roster__item img{ width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.roster__item:hover img{ transform: scale(1.04); }
.roster__caption{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.55) 100%);
  color: #fff;
  opacity: 0; transform: translateY(6px);
  transition: opacity .25s ease, transform .25s ease;
}
.roster__item:hover .roster__caption,
.roster__item:focus-within .roster__caption{ opacity: 1; transform: translateY(0); }
.roster__name{ font-family: var(--font-display); font-size: 1.1rem; }
.roster__region{ font-family: var(--font-sans); font-size: .72rem; letter-spacing: .08em; color: rgba(255,255,255,.8); text-transform: uppercase; }

/* =========================================================
   4b. Timeline (出展予定 / 出展歴)
   ========================================================= */
.timeline{ padding: 0 var(--gutter); }
.timeline__row{
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  align-items: baseline;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.timeline__row:first-child{ border-top: 1px solid var(--line); }
.timeline__date{ font-family: var(--font-sans); font-size: .78rem; letter-spacing: .06em; color: var(--indigo); }
.timeline__title{ font-family: var(--font-display); font-size: 1.1rem; }
.timeline__venue{ font-family: var(--font-sans); font-size: .82rem; color: var(--ink-soft); }
.timeline__status{
  font-family: var(--font-sans); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  white-space: nowrap; padding: 4px 10px; border: 1px solid var(--line);
}
.timeline__status--upcoming{ border-color: var(--indigo); color: var(--indigo); }
@media (max-width: 640px){ .timeline__row{ grid-template-columns: 1fr; gap: 4px; } }

/* =========================================================
   8. Video embed
   ========================================================= */
.video-embed{
  position: relative; width: 100%; aspect-ratio: 16/9;
  background: var(--ink); border: 1px solid var(--line);
}
.video-embed iframe{ position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* =========================================================
   9. Single entry (Artist / Exhibition detail)
   ========================================================= */
.entry-hero{ position: relative; }
.entry-hero__media{ width: 100%; aspect-ratio: 16/9; background: var(--paper-alt); overflow: hidden; }
.entry-hero__media img{ width: 100%; height: 100%; object-fit: cover; }
.entry-body{ padding: 50px var(--gutter); max-width: 900px; margin: 0 auto; }
.entry-meta{ font-family: var(--font-sans); font-size: .8rem; letter-spacing: .08em; color: var(--ink-soft); margin-bottom: 18px; }
.entry-body .wp-block-gallery,
.entry-body figure{ margin-left: 0; margin-right: 0; }

/* =========================================================
   10. Forms (Contact)
   ========================================================= */
.form-row{ margin-bottom: 26px; }
.form-row label{
  display: block; font-family: var(--font-sans); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px;
}
.form-row input, .form-row textarea{
  width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--line);
  padding: 10px 2px; font-family: var(--font-body); font-size: 1rem; color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus{ border-bottom-color: var(--indigo); outline: none; }
.btn{
  display: inline-block; font-family: var(--font-sans); font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; border: 1px solid currentColor; padding: 14px 30px; background: none; cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.btn:hover{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.hero__content .btn{ border-color: #fff; }
.hero__content .btn:hover{ background: #fff; color: var(--ink); }

/* =========================================================
   11. Footer
   ========================================================= */
.site-footer{ border-top: 1px solid var(--line); padding: 60px var(--gutter) 30px; }
.site-footer__grid{ display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 30px; }
.site-footer__col h4{ font-size: .95rem; margin-bottom: .8em; }
.site-footer__col a{ display: block; margin-bottom: 8px; font-size: .9rem; color: var(--ink-soft); }
.site-footer__bottom{ font-family: var(--font-sans); font-size: .72rem; letter-spacing: .05em; color: var(--ink-soft); display:flex; justify-content: space-between; flex-wrap: wrap; gap:10px; }

/* =========================================================
   13. Newsletter modal
   ========================================================= */
.nl-modal{
  position: fixed; inset: 0; z-index: 300;
  background: rgba(10,10,10,.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility 0s linear .3s;
}
.nl-modal.is-open{ opacity: 1; visibility: visible; transition: opacity .3s ease; }
.nl-modal__panel{
  position: relative;
  background: var(--paper);
  max-width: 460px; width: 100%;
  padding: 44px 34px 34px;
  border: 1px solid var(--line);
}
.nl-modal__close{
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-sans); font-size: .95rem; color: var(--ink-soft);
  display: flex; align-items: center; gap: 6px;
}
.nl-modal__close span{ font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.nl-modal__location{ margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); font-size: .88rem; color: var(--ink-soft); }
.nl-modal h2{ font-size: 1.5rem; margin-bottom: .4em; }
.nl-modal p{ font-size: .92rem; color: var(--ink-soft); }
.nl-modal__prefs{ display: flex; flex-direction: column; gap: 10px; margin: 18px 0 24px; font-family: var(--font-sans); font-size: .85rem; }
.nl-modal__prefs label{ display: flex; align-items: center; gap: 10px; }

/* =========================================================
   14. Cookie consent banner
   ========================================================= */
.cookie-banner{
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 250;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 22px var(--gutter);
  transform: translateY(100%);
  transition: transform .3s ease;
}
.cookie-banner.is-open{ transform: translateY(0); }
.cookie-banner__inner{
  max-width: 1320px; margin: 0 auto;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cookie-banner__text{ max-width: 640px; }
.cookie-banner__text h3{ font-size: 1rem; margin-bottom: .3em; }
.cookie-banner__text p{ font-size: .82rem; color: var(--ink-soft); margin: 0; }
.cookie-banner__actions{ display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-banner__actions .btn{ padding: 11px 22px; font-size: .72rem; }
.cookie-banner__actions .btn--solid{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cookie-banner__prefs{
  display: none;
  max-width: 1320px; margin: 16px auto 0;
  border-top: 1px solid var(--line); padding-top: 16px;
  font-family: var(--font-sans); font-size: .85rem;
}
.cookie-banner__prefs.is-open{ display: block; }
.cookie-banner__prefs label{ display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.cookie-banner__prefs label.is-disabled{ color: var(--ink-soft); }

/* =========================================================
   15. Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .roster__caption, .editorial-row__media img, .roster__item img, .nl-modal, .cookie-banner, .site-nav a::after{ transition: none; }
}