@charset "UTF-8";
/* ============================================================
   Wagara Japan — style.css
   Direction: Japandi minimalist gallery. Indigo / charcoal / cream / gold.
   Signature: the 5 wagara patterns ARE the visual system — no stock icons.
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  --color-bg: #f7f2e7;          /* washi cream */
  --color-surface: #ffffff;
  --color-text: #201d1a;
  --color-muted: #6b6459;
  --color-accent: #1a3c6e;      /* indigo */
  --color-accent-ink: #ffffff;
  --color-gold: #c9a24b;        /* premium accent */
  --color-line: #ded6c4;
  --color-ink: #17150f;         /* deepest, for dark sections */

  --font-display: "Cormorant Garamond", "Hiragino Mincho ProN", serif;
  --font-body: "Inter", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --space: 8px;
  --section-pad: clamp(64px, 12vw, 140px);
  --container: 1180px;
  --container-narrow: 720px;
  --radius: 2px;

  --z-header: 100;
  --z-nav: 200;
  --z-modal: 1000;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.8s;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:hover { opacity: 0.7; transition: opacity 0.3s; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

/* ---------- 3. Layout ---------- */
.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
.container--narrow { width: min(var(--container-narrow), 100% - 48px); margin-inline: auto; }

.section { padding-block: var(--section-pad); }
.section--tight { padding-block: calc(var(--section-pad) * 0.6); }
.section--dark { background: var(--color-ink); color: #f2ede1; }
.section--dark .color-muted { color: #b9b1a0; }

.section-head { margin-bottom: calc(var(--space) * 7); }
.section-head__en {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: calc(var(--space) * 2);
}
.section-head__title { font-size: clamp(28px, 4.5vw, 44px); }

/* ---------- 4. Components ---------- */

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-header);
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px clamp(20px, 4vw, 48px);
  transition: background 0.4s, box-shadow 0.4s, color 0.4s;
  color: #f2ede1;
  mix-blend-mode: normal;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-line);
  color: var(--color-text);
}
.site-header__logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.site-header__logo b { color: var(--color-gold); font-weight: 600; }

.global-nav ul { display: flex; gap: calc(var(--space) * 5); list-style: none; padding: 0; }
.global-nav a { text-decoration: none; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; }
.global-nav a.is-cta {
  border: 1px solid currentColor; padding: 8px 18px; border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
  position: relative; z-index: calc(var(--z-nav) + 1);
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; margin: 5px auto;
  background: currentColor; transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 767px) {
  .nav-toggle { display: block; }
  .global-nav {
    position: fixed; inset: 0; z-index: var(--z-nav);
    background: var(--color-ink); color: #f2ede1;
    display: grid; place-content: center;
    opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s;
  }
  .global-nav.is-open { opacity: 1; visibility: visible; }
  .global-nav ul { flex-direction: column; text-align: center; gap: calc(var(--space) * 4); }
  .global-nav a { font-size: 18px; }
}

/* Hero */
.hero {
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  background: var(--color-ink);
  color: #f2ede1;
  text-align: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url("/assets/img/patterns/seigaiha_gold_hero.jpg");
  background-size: 480px;
  background-repeat: repeat;
  opacity: 0.22;
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(23,21,15,0.55) 0%, rgba(23,21,15,0.85) 100%);
}
.hero__inner { position: relative; z-index: 1; }
.hero__eyebrow {
  display: block; font-size: 13px; letter-spacing: 0.36em; text-transform: uppercase;
  color: var(--color-gold); margin-bottom: calc(var(--space) * 3);
}
.hero__title {
  font-size: clamp(40px, 7.5vw, 88px);
  line-height: 1.1;
}
.hero__lead {
  margin: calc(var(--space) * 4) auto 0; max-width: 34em; color: #d8d0bf; font-size: clamp(15px, 1.6vw, 18px);
}
.hero__ctas { margin-top: calc(var(--space) * 6); display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.button {
  display: inline-block;
  padding: 16px 40px;
  background: var(--color-gold); color: var(--color-ink);
  border: 1px solid var(--color-gold); border-radius: 999px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  cursor: pointer; transition: background 0.3s, color 0.3s, transform 0.3s;
}
.button:hover { background: transparent; color: var(--color-gold); opacity: 1; transform: translateY(-2px); }
.button--ghost {
  background: transparent; color: inherit; border-color: currentColor;
}
.button--ghost:hover { background: rgba(255,255,255,0.08); color: inherit; }

/* Intro */
.intro__text { font-size: clamp(17px, 2vw, 20px); color: var(--color-text); }
.intro__text strong { color: var(--color-accent); font-weight: 600; }

/* Pattern gallery */
.patterns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 28px;
}
.pattern-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.pattern-card__img { aspect-ratio: 1 / 1; overflow: hidden; }
.pattern-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.pattern-card:hover .pattern-card__img img { transform: scale(1.06); }
.pattern-card__body { padding: 24px 24px 28px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pattern-card__jp { font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--color-gold); }
.pattern-card__title { font-size: 22px; font-family: var(--font-display); }
.pattern-card__desc { font-size: 14px; color: var(--color-muted); flex: 1; }
.pattern-card__link {
  margin-top: 12px; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; color: var(--color-accent); font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; padding: 0; font-family: inherit; cursor: pointer;
}
.pattern-card__link:disabled { opacity: 0.6; cursor: wait; }
.pattern-card__link::after { content: "→"; transition: transform 0.3s; }
.pattern-card__link:hover::after { transform: translateX(4px); }

/* Story split */
.story {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center;
}
@media (max-width: 767px) { .story { grid-template-columns: 1fr; } }
.story__img { aspect-ratio: 4/5; overflow: hidden; }
.story__img img { width: 100%; height: 100%; object-fit: cover; }

/* Final CTA */
.cta-final { text-align: center; }
.cta-final__title { font-size: clamp(30px, 5vw, 52px); }
.cta-final__lead { margin: 20px auto 36px; max-width: 32em; color: var(--color-muted); }

/* Footer */
.site-footer {
  padding: calc(var(--space) * 8) 0 calc(var(--space) * 4);
  border-top: 1px solid var(--color-line);
  font-size: 13px; color: var(--color-muted);
}
.site-footer__row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer__social { display: flex; gap: 16px; }
.site-footer__social a { text-decoration: none; }

/* ---------- 5. Motion base ---------- */
.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}
.js-reveal.is-inview { opacity: 1; transform: none; }
.js-reveal[data-delay="1"] { transition-delay: 0.1s; }
.js-reveal[data-delay="2"] { transition-delay: 0.2s; }
.js-reveal[data-delay="3"] { transition-delay: 0.3s; }

/* ---------- 6. Motion stop policy (do not remove) ---------- */
.motion-stop {
  display: none;
  position: fixed; right: 16px; bottom: 16px; z-index: var(--z-modal);
  padding: 10px 16px; font-size: 12px;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: 999px; cursor: pointer;
}
@media (prefers-reduced-motion: reduce) {
  .motion-stop { display: block; }
}
html.is-motion-off .js-reveal,
html.is-motion-off *[class] {
  transition-duration: 0.01ms !important;
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
}
html.is-motion-off .js-reveal { opacity: 1; transform: none; }