/* =============================================================
   ヤマナカシャツ — メインスタイル
   ============================================================= */

:root {
  --color-bg: #fafaf7;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-line: #e5e2dc;
  --color-accent: #1a2a47;
  --color-accent-hover: #2a3d63;
  --color-gold: #a78b3c;
  --max-width: 1200px;
  --radius: 2px;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "游明朝", "Yu Mincho", serif;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}
p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: clamp(56px, 8vw, 96px);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 14px 32px;
  background: var(--color-accent);
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
}
.btn:hover { background: var(--color-accent-hover); color: #fff; }

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
}
.btn--ghost:hover { background: var(--color-accent); color: #fff; }

@media (max-width: 720px) { .section { padding-block: 56px; } }

/* ============ ヘッダー ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  position: relative;
}
.site-header__brand { display: flex; align-items: center; gap: 12px; }
.site-header__brand img { width: 44px; height: 44px; border-radius: 50%; }
.site-header__brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.site-header__brand-text strong {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}
.site-header__brand-text small {
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}
.site-header__nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 28px;
}
.site-header__nav a {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-text);
  position: relative;
  padding-block: 4px;
}
.site-header__nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-header__nav a:hover::after { transform: scaleX(1); }
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.site-header__toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 960px) {
  .site-header__brand-text small { display: none; }
  .site-header__nav a { font-size: 12px; }
  .site-header__nav ul { gap: 18px; }
}

@media (max-width: 760px) {
  .site-header__toggle { display: flex; }
  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-header__nav.is-open { max-height: 400px; }
  .site-header__nav ul {
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 24px;
  }
  .site-header__nav li { border-bottom: 1px solid var(--color-line); }
  .site-header__nav li:last-child { border-bottom: 0; }
  .site-header__nav a { display: block; padding: 14px 4px; font-size: 14px; }
}

/* ============ ヒーロー ============ */

.hero {
  position: relative;
  overflow: hidden;
  height: clamp(520px, 78vh, 760px);
  background: #111;
  color: #fff;
}
.hero__track { position: absolute; inset: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: flex-end;
  pointer-events: none;
}
.hero__slide.is-active { opacity: 1; pointer-events: auto; }
.hero__media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero__slide.is-active .hero__media { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 60%, rgba(0,0,0,0.35) 100%);
}
.hero__content {
  position: relative;
  padding-block: clamp(48px, 8vw, 80px);
  max-width: 720px;
}
.hero__content .eyebrow { color: #d4b864; }
.hero__content h1 {
  font-size: clamp(28px, 5vw, 48px);
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.hero__content p {
  font-size: clamp(14px, 1.6vw, 17px);
  margin-bottom: 28px;
  max-width: 560px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__cta .btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.hero__cta .btn--ghost:hover { background: #fff; color: var(--color-accent); border-color: #fff; }

.hero__dots {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 5;
}
.hero__dot {
  width: 32px;
  height: 2px;
  background: rgba(255,255,255,0.4);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background 0.3s;
}
.hero__dot.is-active { background: #fff; }

/* ============ 特徴 ============ */

.features { background: var(--color-surface); }
.features__head { text-align: center; margin-bottom: 56px; }
.features__head h2 { font-size: clamp(24px, 3.5vw, 36px); margin: 0; }
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.feature {
  background: var(--color-surface);
  padding: 40px 28px;
  transition: background 0.2s;
}
.feature:hover { background: var(--color-bg); }
.feature__num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.feature h3 { font-size: 20px; margin-bottom: 12px; color: var(--color-accent); }
.feature p { font-size: 14px; color: var(--color-muted); margin: 0; }

/* ============ 記事一覧 ============ */

.posts { background: var(--color-bg); }
.posts__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.posts__head h2 { font-size: clamp(24px, 3.5vw, 36px); margin: 0; }
.posts__all {
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}
.posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.post {
  display: block;
  background: var(--color-surface);
  padding: 32px 28px;
  border: 1px solid var(--color-line);
  transition: transform 0.3s, box-shadow 0.3s;
}
.post:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post__meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.post__meta span {
  padding: 2px 8px;
  background: var(--color-bg);
  border-radius: 2px;
}
.post__title {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--color-accent);
}
.post__excerpt {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post__more { font-size: 12px; color: var(--color-gold); letter-spacing: 0.08em; }

/* ============ Instagram ============ */

.ig { background: var(--color-surface); }
.ig__head { text-align: center; margin-bottom: 48px; }
.ig__head h2 { font-size: clamp(24px, 3.5vw, 36px); margin: 0 0 12px; }
.ig__head p { color: var(--color-muted); font-size: 14px; margin: 0; }
.ig__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.ig__cell {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #f3efe8 0%, #e5e0d4 100%);
  display: block;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s;
}
.ig__cell:hover { transform: scale(1.02); }
.ig__cell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.ig__cell:hover::after { opacity: 0.85; }
.ig__inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  z-index: 2;
}
.ig__icon { color: var(--color-accent); transition: color 0.3s; }
.ig__cell:hover .ig__icon { color: #fff; }
.ig__caption {
  font-size: 11px;
  color: var(--color-muted);
  line-height: 1.5;
  transition: color 0.3s;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.ig__cell:hover .ig__caption { color: rgba(255,255,255,0.95); }
.ig__cta { text-align: center; margin-top: 40px; }

@media (max-width: 760px) {
  .ig__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ 店舗情報 ============ */

.store {
  background: var(--color-accent);
  color: #fff;
}
.store h2 { color: #fff; font-size: clamp(28px, 4vw, 40px); }
.store .eyebrow { color: #d4b864; }
.store__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: stretch;
}
.store__lead {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.store__meta {
  display: grid;
  gap: 18px;
  margin: 0 0 36px;
  padding: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 28px;
}
.store__meta div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  font-size: 14px;
}
.store__meta dt {
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em;
  font-size: 12px;
  padding-top: 2px;
}
.store__meta dd { margin: 0; line-height: 1.7; }
.store__meta a { color: #d4b864; }
.store__meta a:hover { color: #fff; }

.store__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.store__cta .btn {
  background: #fff;
  color: var(--color-accent);
  border-color: #fff;
}
.store__cta .btn:hover { background: #d4b864; border-color: #d4b864; color: var(--color-accent); }
.store__cta .btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.store__cta .btn--ghost:hover { background: #fff; color: var(--color-accent); border-color: #fff; }

.store__map { min-height: 420px; background: #000; }
.store__map iframe { display: block; }

@media (max-width: 880px) {
  .store__grid { grid-template-columns: 1fr; gap: 32px; }
  .store__map { min-height: 320px; }
  .store__meta div { grid-template-columns: 88px 1fr; gap: 12px; }
}

/* ============ フッター ============ */

.footer {
  background: #0f1828;
  color: rgba(255,255,255,0.75);
  padding-top: 64px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1.5fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer__brand strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.footer__brand small {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}
.footer__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}
.footer__nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.footer__nav a:hover { color: #d4b864; }

.footer__badges p {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
  line-height: 1.6;
}
.footer__badges img {
  max-width: 220px;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 24px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  text-align: center;
  letter-spacing: 0.08em;
}
.footer__bottom p { margin: 0; }

@media (max-width: 880px) {
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ============ 個別記事ページ ============ */

.single-article__inner {
  max-width: 760px;
  margin-inline: auto;
}
.single-article__head { margin-bottom: 36px; }
.single-article__title {
  font-size: clamp(24px, 3.5vw, 36px);
  color: var(--color-accent);
  margin-block: 12px 0;
}
.single-article__thumb { margin-bottom: 36px; }
.single-article__body {
  font-size: 16px;
  line-height: 1.9;
}
.single-article__body img { margin-block: 24px; border-radius: 2px; }
.single-article__body h2 {
  font-size: 24px;
  margin-block: 48px 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}
.single-article__body h3 { font-size: 20px; margin-block: 32px 12px; color: var(--color-accent); }
.single-article__body blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  border-left: 3px solid var(--color-gold);
  color: var(--color-muted);
  background: var(--color-surface);
}
.single-article__nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  font-size: 13px;
}
.single-article__nav .next { margin-left: auto; }

/* ============ ページ送り ============ */

.pagination {
  margin-top: 56px;
  display: flex;
  justify-content: center;
}
.pagination .nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding-inline: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pagination .page-numbers:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.pagination .current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ============ 共通 ============ */

.page-head { text-align: center; margin-bottom: 56px; }
.page-head h1 { font-size: clamp(28px, 4vw, 40px); margin: 0; color: var(--color-accent); }
.error404 { text-align: center; }
.error404 h1 { font-size: clamp(28px, 4vw, 40px); color: var(--color-accent); margin-bottom: 16px; }
.error404 p { color: var(--color-muted); margin-bottom: 8px; }