/* ============================================================
   National Point — Main Stylesheet
   MLB Korea風 ポップ・ゴシック・ビビッドカラー
   v20260604b — スマホ最適化・ゆったり余白・MLB Korea UIパターン適用
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* ── Background ── */
  --color-bg:          #ffffff;
  --color-bg-warm:     #f8f8f8;
  --color-bg-section:  #f5f5f5;
  --color-surface:     #ebebeb;
  --color-surface-2:   #e0e0e0;
  --color-border:      #e8e8e8;
  --color-border-light:#f0f0f0;

  /* ── Text ── */
  --color-text:        #111111;
  --color-text-muted:  #666666;
  --color-text-dim:    #aaaaaa;

  /* ── Vivid Accent Colors (ロゴオレンジ統一) ── */
  --color-accent:        #E08838;
  --color-accent-blue:   #0A84FF;
  --color-accent-yellow: #FFD60A;
  --color-accent-green:  #34C759;
  --color-accent-dark:   #1C1C1E;

  /* ── 後方互換 ── */
  --color-gold:        #E08838;
  --color-gold-light:  #EA9B52;
  --color-gold-pale:   #F2B87A;
  --color-orange:      #E08838;
  --color-cream:       #111111;
  --color-cream-dim:   #333333;

  /* ── Typography ── */
  --font-en:    'Inter', 'Noto Sans JP', sans-serif;
  --font-sans:  'Noto Sans JP', 'Inter', sans-serif;
  --font-jp:    'Noto Sans JP', sans-serif;

  /* ── Spacing ── */
  --spacing-xs:   0.4rem;
  --spacing-sm:   0.8rem;
  --spacing-md:   1.6rem;
  --spacing-lg:   3.2rem;
  --spacing-xl:   6.4rem;
  --spacing-2xl:  9.6rem;
  --spacing-3xl:  12.8rem;

  /* ── Radius ── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-pill: 999px;

  /* ── Transitions ── */
  --transition-fast:   0.18s ease;
  --transition-base:   0.28s ease;
  --transition-slow:   0.5s cubic-bezier(0.25,0.8,0.25,1);

  /* ── Shadows ── */
  --shadow-sm:  0 2px 12px rgba(0,0,0,0.06);
  --shadow-md:  0 6px 28px rgba(0,0,0,0.10);
  --shadow-lg:  0 16px 56px rgba(0,0,0,0.14);

  --max-width: 1400px;
  --nav-height: 56px; /* MLB Koreaはナビが細め */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }
input, textarea, select {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

/* ---------- Typography ---------- */
.t-display {
  font-family: var(--font-en);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.0;
  color: var(--color-text);
}
.t-heading {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--color-text);
}
.t-label {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.t-body {
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text-muted);
}
.t-jp {
  font-family: var(--font-jp);
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.6rem, 5vw, 5rem);
}
.section { padding: var(--spacing-2xl) 0; }
.section--lg { padding: var(--spacing-3xl) 0; }
.section--warm { background: var(--color-bg-warm); }
.section--surface { background: var(--color-bg-section); }

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* ---------- Navigation ---------- */
/* MLB Korea風：細めのナビ・大文字・シンプル */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.98);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.nav.scrolled {
  background: rgba(255,255,255,1);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 4rem);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.nav__logo-img {
  height: 40px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .nav__logo-img { height: 34px; max-width: 160px; }
}
@media (max-width: 480px) {
  .nav__logo-img { height: 30px; max-width: 140px; }
}
.nav__logo-mark { width: 36px; height: 36px; flex-shrink: 0; }
.nav__logo-text {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
  line-height: 1.1;
}
.nav__logo-text span {
  display: block;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav__links a:hover { color: var(--color-accent); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.active { color: var(--color-accent); }
.nav__links a.active::after { width: 100%; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.nav__icon {
  width: 22px; height: 22px;
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.nav__icon:hover { color: var(--color-accent); }
.nav__cart-btn {
  position: relative;
  display: flex;
  align-items: center;
}
.nav__cart-count {
  position: absolute;
  top: -5px; right: -7px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.55rem;
  font-weight: 700;
  width: 15px; height: 15px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.btn--primary:hover {
  background: #e0342a;
  border-color: #e0342a;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,59,48,0.28);
}
.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
}
.btn--outline:hover {
  background: var(--color-text);
  color: #fff;
}
.btn--outline-accent {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn--outline-accent:hover {
  background: var(--color-accent);
  color: #fff;
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: none;
  padding: 0;
  font-size: 0.78rem;
  font-weight: 700;
}
.btn--ghost:hover { color: var(--color-accent); }
.btn--lg { padding: 1rem 3rem; font-size: 0.88rem; }
.btn--full { width: 100%; justify-content: center; }

/* ---------- Section Headers ---------- */
/* MLB Korea風：BEST ITEM スタイル */
.section-header {
  margin-bottom: 2rem;
}
.section-header--center { text-align: center; }
.section-header__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
  display: block;
}
.section-header__title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}
.section-header__desc {
  font-family: var(--font-jp);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 560px;
}
.section-header--center .section-header__desc { margin: 0 auto; }

/* ---------- Product Cards ---------- */
/* MLB Korea風：白背景・ゆったり余白・太字価格 */
.product-card {
  position: relative;
  cursor: pointer;
  background: var(--color-bg);
}
.product-card__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-section);
  aspect-ratio: 1/1; /* MLB Koreaは正方形に近い */
}
.product-card__image {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.product-card:hover .product-card__image { transform: scale(1.04); }
.product-card__badge {
  position: absolute;
  top: 0; left: 0;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
}
.product-card__badge--new  { background: var(--color-accent); }
.product-card__badge--sale { background: var(--color-orange); }
.product-card__badge--limited { background: var(--color-accent-blue); }
.product-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background var(--transition-base);
}
.product-card:hover .product-card__overlay { background: rgba(0,0,0,0.04); }
.product-card__quick-add {
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-base);
  width: 100%;
}
.product-card:hover .product-card__quick-add {
  opacity: 1;
  transform: translateY(0);
}
.product-card__info {
  padding: 12px 4px 16px; /* MLB Korea風：コンパクトだが余白あり */
}
.product-card__category {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 3px;
}
.product-card__name {
  font-family: var(--font-sans);
  font-size: 0.82rem; /* MLB Koreaは商品名小さめ */
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}
.product-card__material {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.product-card__price {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 900; /* MLB Koreaは価格を太字で強調 */
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.product-card__price-original {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  text-decoration: line-through;
  margin-right: 0.4rem;
  font-weight: 400;
}
/* カラースウォッチ（MLB Korea風） */
.product-card__swatches {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.product-card__swatch {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  flex-shrink: 0;
}
.product-card__swatch--active {
  border-color: var(--color-text);
}
.product-card__swatch-more {
  font-size: 0.62rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ---------- Accent Divider ---------- */
.divider {
  width: 40px; height: 3px;
  background: var(--color-accent);
  margin: var(--spacing-md) 0;
  border-radius: 2px;
}
.divider--center { margin: var(--spacing-md) auto; }
.divider--lg { width: 72px; }

/* ---------- Thin Divider ---------- */
.hr-thin {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-xl) 0;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--color-bg-section); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  background: var(--color-accent);
  padding: 0.65rem 0;
}
.marquee__inner {
  display: inline-flex;
  animation: marquee 28s linear infinite;
}
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 2.4rem;
  padding: 0 2.4rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
}
.marquee__dot {
  width: 4px; height: 4px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-accent-dark);
  border-top: none;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  color: rgba(255,255,255,0.8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}
.footer__brand-logo { margin-bottom: var(--spacing-md); }
.footer__logo-img {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
}
.footer__brand-desc {
  font-family: var(--font-jp);
  font-size: 0.8rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.48);
  margin-bottom: var(--spacing-lg);
  max-width: 280px;
}
.footer__col-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--spacing-md);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}
.footer__links li { margin-bottom: 0.65rem; }
.footer__links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.48);
  transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--color-accent-yellow); }
.footer__newsletter-form {
  display: flex;
  border: 1.5px solid rgba(255,255,255,0.18);
  margin-top: var(--spacing-sm);
}
.footer__newsletter-input {
  flex: 1;
  padding: 0.75rem 1.2rem;
  font-size: 0.82rem;
  color: #fff;
  background: transparent;
}
.footer__newsletter-input::placeholder { color: rgba(255,255,255,0.3); }
.footer__newsletter-btn {
  padding: 0.75rem 1.4rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}
.footer__newsletter-btn:hover { background: var(--color-accent-blue); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer__copy {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.28);
  letter-spacing: 0.04em;
}
.footer__social {
  display: flex;
  gap: 1.6rem;
}
.footer__social a {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  transition: color var(--transition-fast);
}
.footer__social a:hover { color: var(--color-accent-yellow); }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--spacing-2xl));
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-warm);
}
.page-hero__eyebrow { display: block; margin-bottom: var(--spacing-sm); }
.page-hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2.8rem, 6vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-text);
}
.page-hero__subtitle {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  max-width: 560px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: 1.4rem 0;
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb__sep { color: var(--color-text-dim); }

/* ---------- Fade-In Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.08s; }
.fade-up.delay-2 { transition-delay: 0.16s; }
.fade-up.delay-3 { transition-delay: 0.26s; }
.fade-up.delay-4 { transition-delay: 0.36s; }

/* ---------- Line Text ---------- */
.line-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-dim);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.line-text::before, .line-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ---------- Tag ---------- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  border-radius: 2px;
}
.tag--accent { border-color: var(--color-accent); color: var(--color-accent); }
.tag--dark { background: var(--color-text); color: #fff; border-color: var(--color-text); }
.tag--blue { background: var(--color-accent-blue); color: #fff; border-color: var(--color-accent-blue); }
.tag--gold { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- Accordion ---------- */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}
.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.accordion__header:hover { color: var(--color-accent); }
.accordion__title {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}
.accordion__icon {
  width: 20px; height: 20px;
  position: relative;
  flex-shrink: 0;
}
.accordion__icon::before, .accordion__icon::after {
  content: '';
  position: absolute;
  background: var(--color-text-muted);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.accordion__icon::before { width: 12px; height: 1.5px; }
.accordion__icon::after  { width: 1.5px; height: 12px; }
.accordion__item.open .accordion__icon::after { opacity: 0; }
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.accordion__body.open { max-height: 500px; }
.accordion__content {
  padding: 0 0 1.4rem;
  font-family: var(--font-jp);
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* ---------- Form Elements ---------- */
.form-group { margin-bottom: var(--spacing-md); }
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}
.form-control {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
  border-radius: var(--radius-sm);
}
.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
}
.form-control::placeholder { color: var(--color-text-dim); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: #ffffff;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}
.mobile-menu__link {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-text);
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover { color: var(--color-accent); }
.mobile-menu__footer {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  margin-top: 2rem;
}

/* ---------- Filter Tabs（MLB Korea風カプセル型）---------- */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-tab {
  padding: 0.45rem 1.2rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: #fff;
  border-radius: var(--radius-pill); /* カプセル型 */
  letter-spacing: 0.02em;
}
.filter-tab:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}
.filter-tab.active {
  color: #fff;
  border-color: var(--color-text);
  background: var(--color-text);
}

/* ---------- Newsletter ---------- */
.newsletter-section {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-warm);
}
.newsletter-inner { text-align: center; max-width: 480px; margin: 0 auto; }
.newsletter-title {
  font-family: var(--font-sans);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0.5rem 0 1rem;
}
.newsletter-desc {
  font-family: var(--font-jp);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}
.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 400px;
  margin: 0 auto;
}
.newsletter-form__input {
  flex: 1;
  padding: 0.85rem 1.2rem;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-right: none;
  color: var(--color-text);
  font-size: 0.88rem;
}
.newsletter-form__input::placeholder { color: var(--color-text-dim); }
.newsletter-form__input:focus { border-color: var(--color-accent); outline: none; }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
.text-accent { color: var(--color-accent); }
.text-gold   { color: var(--color-accent); }
.text-dark   { color: var(--color-text); }
.text-muted  { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.ml-md { margin-left: var(--spacing-md); }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  :root {
    --spacing-xl: 4rem;
    --spacing-2xl: 5.6rem;
    --spacing-3xl: 7.2rem;
  }
}
@media (max-width: 600px) {
  :root {
    --nav-height: 52px;
    --spacing-xl: 3.2rem;
    --spacing-2xl: 4.4rem;
  }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form__input { border-right: 1.5px solid var(--color-border); }
}