/* =============================================
   南風一 haeichi — products.css
   商品一覧ページ 共通スタイル
============================================= */

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:        #0D1B2A;
  --navy-light:  #1a2f45;
  --cream:       #F7F5F0;
  --cream-dark:  #ede9e0;
  --gold:        #CBA45E;
  --gold-light:  #d9bb82;
  --sage:        #A5B89A;
  --sage-light:  #c2d1bb;
  --gray:        #333333;
  --gray-mid:    #666666;
  --gray-light:  #999999;
  --white:       #ffffff;

  --font-serif: 'Noto Serif JP', 'Cormorant Garamond', serif;
  --font-sans:  'Noto Sans JP', sans-serif;
  --font-en:    'Cormorant Garamond', serif;

  --transition:      0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;

  --max-w:    1200px;
  --side-pad: clamp(20px, 5vw, 80px);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--gray);
  background: var(--cream);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* imgのグローバルリセットは最小限に抑える（ヒーロー画像に影響させないため） */
img { display: block; max-width: 100%; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-101%);
  transition: transform var(--transition);
  z-index: -1;
}
.btn:hover::before { transform: translateX(0); }
.btn--navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  font-size: 0.9rem;
  padding: 16px 40px;
}
.btn--gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
  font-size: 0.9rem;
  padding: 16px 36px;
}
.btn--navy::before { background: var(--navy-light); }
.btn__arrow { transition: transform var(--transition-fast); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(13, 27, 42, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--side-pad);
  height: 70px;
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
}
.header__logo { display: flex; align-items: baseline; gap: 10px; }
.header--brand .header__logo-text,
.header--solid .header__logo-text {
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--white);
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 32px);
}
.header__nav-list a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}
.header__nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.header__nav-list a:hover { color: var(--white); }
.header__nav-list a:hover::after { width: 100%; }
.header__nav-cta {
  background: var(--gold) !important;
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 2px;
  font-weight: 500 !important;
}
.header__nav-cta::after { display: none !important; }
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 1001;
}
.header__hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.2s ease;
  transform-origin: center;
}
.header__hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.header__hamburger.open span:nth-child(2) { opacity: 0; }
.header__hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== PAGE HERO ===== */
.page-hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* ヒーロー背景コンテナ */
.page-hero__bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  /* 画像読み込み失敗時のフォールバック背景 */
  background: linear-gradient(135deg, #0D1B2A 0%, #1e3a2f 50%, #2a3d1e 100%);
}

/* ヒーロー背景画像 — 確実に全面表示 */
.page-hero__bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: heroZoom 12s ease-out forwards;
  z-index: 1;
  /* imgグローバルリセットの上書き */
  max-width: none;
  display: block;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

/* オーバーレイはz-index:2で画像の上に重ねる */
.page-hero__overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(
    to top,
    rgba(13,27,42,0.72) 0%,
    rgba(13,27,42,0.25) 60%,
    rgba(13,27,42,0.1) 100%
  );
}

/* コンテンツはz-index:3で最前面 */
.page-hero__content {
  position: relative;
  z-index: 3;
  padding: 0 var(--side-pad);
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  width: 100%;
}
.page-hero__eyebrow {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 12px;
  animation: fadeInUp 0.8s 0.3s both;
}
.page-hero__title {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 20px;
  animation: fadeInUp 0.8s 0.45s both;
}
.page-hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.75);
}
.page-hero__catch {
  font-family: var(--font-serif);
  font-size: clamp(1.82rem, 1.4vw, 1rem);
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.06em;
  margin-top: 8px;
  animation: fadeInUp 0.8s 0.6s both;
}

/* ===== SCROLL INDICATOR ===== */
.page-hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 3;
  animation: fadeIn 1s 1.2s both;
}
.page-hero__scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.5);
  animation: scrollPulse 2s 1.8s infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}
.page-hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.6);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  background: var(--white);
  border-bottom: 1px solid var(--cream-dark);
  position: relative;
  z-index: 1;
}
.breadcrumb__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  list-style: none;
  flex-wrap: wrap;
}
.breadcrumb__list li {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--gray-light);
  letter-spacing: 0.04em;
}
.breadcrumb__list li span {
  font-size: 0.6rem;
  color: var(--gray-light);
}
.breadcrumb__list a {
  color: var(--gray-mid);
  transition: color var(--transition-fast);
}
.breadcrumb__list a:hover { color: var(--navy); }

/* ===== CONCEPT ===== */
.concept {
  background: var(--cream);
  padding: clamp(60px, 8vw, 100px) 0;
  border-bottom: 1px solid var(--cream-dark);
}
.concept__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.concept__text {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.concept__eyebrow {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--sage);
  margin-bottom: 20px;
}
.concept__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin-bottom: 20px;
}
.concept__body {
  font-family: var(--font-serif);
  font-size: clamp(0.88rem, 1.4vw, 1rem);
  font-weight: 300;
  color: var(--gray-mid);
  letter-spacing: 0.06em;
  line-height: 2.2;
  margin-bottom: 32px;
}
.concept__line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--sage);
}
.concept__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 2px;
  background: var(--cream-dark);
}
.concept__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.concept__img-wrap:hover img { transform: scale(1.03); }

/* ===== PRODUCTS HEADER ===== */
.products__header {
  background: var(--cream);
  padding: clamp(48px, 6vw, 80px) 0 0;
}
.products__header-inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--cream-dark);
  padding-bottom: 20px;
}
.products__header-label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--sage);
}
.products__header-title {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.08em;
}

/* ===== FILTER SECTION ===== */
.filter-section {
  background: var(--white);
  padding: 0;
  border-bottom: 1px solid var(--cream-dark);
}
.filter-section__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.filter-tabs { display: flex; gap: 0; flex-wrap: wrap; }
.filter-tab {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--gray-mid);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 18px 24px 16px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.filter-tab:hover { color: var(--navy); }
.filter-tab--active {
  color: var(--navy);
  font-weight: 500;
  border-bottom-color: var(--sage);
}

/* ===== PRODUCTS ===== */
.products { padding: clamp(60px, 8vw, 100px) 0 clamp(40px, 6vw, 80px); }
.products__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 48px) clamp(20px, 2.5vw, 36px);
}

/* ===== PRODUCT CARD ===== */
.product-card {
  background: var(--white);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover {
  box-shadow: 0 12px 40px rgba(13,27,42,0.1);
  transform: translateY(-4px);
}
.product-card__link { display: block; }
.product-card__img-wrap {
  position: relative;
  aspect-ratio: 3/3.5;
  overflow: hidden;
  background: var(--cream-dark);
}
/* 画像プレースホルダー */
.product-card__img-wrap::before {
  content: 'PHOTO';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--gray-light);
  z-index: 0;
}
.product-card__img-wrap img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform 0.8s ease;
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.04); }
.product-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--gold);
  color: var(--white);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  border-radius: 1px;
}
.product-card__info {
  padding: clamp(16px, 2vw, 24px) clamp(16px, 2vw, 24px) clamp(20px, 2.5vw, 28px);
  border-top: 1px solid var(--cream-dark);
}
.product-card__category {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--sage);
  margin-bottom: 6px;
}
.product-card__name {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  line-height: 1.4;
}
.product-card__desc {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--gray-light);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  min-height: 1.2em;
}
.product-card__price {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.product-card__tax {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  color: var(--gray-light);
  letter-spacing: 0.04em;
}
.product-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
  transition: gap var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.product-card:hover .product-card__more {
  gap: 10px;
  color: var(--sage);
  border-color: var(--sage);
}
.product-card__arrow { transition: transform var(--transition-fast); }
.product-card:hover .product-card__arrow { transform: translateX(3px); }
.product-card--hidden { display: none; }

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: clamp(48px, 7vw, 80px);
  padding: 0 var(--side-pad);
}
.pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--cream-dark);
  cursor: pointer;
  color: var(--gray-mid);
  border-radius: 2px;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.pagination__btn:hover:not(:disabled) {
  border-color: var(--navy);
  color: var(--navy);
  background: rgba(13,27,42,0.04);
}
.pagination__btn:disabled { opacity: 0.3; cursor: default; }
.pagination__btn svg { width: 18px; height: 18px; }
.pagination__pages { display: flex; align-items: center; gap: 4px; }
.pagination__page {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--gray-mid);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.pagination__page:hover { color: var(--navy); border-color: var(--cream-dark); }
.pagination__page--active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  font-weight: 500;
}

/* ===== SHOP CTA ===== */
.shop-cta {
  background: var(--navy);
  padding: clamp(60px, 8vw, 100px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.shop-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(165,184,154,0.1) 0%, transparent 68%);
  pointer-events: none;
}
.shop-cta__inner { position: relative; z-index: 1; padding: 0 var(--side-pad); }
.shop-cta__label {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--sage);
  margin-bottom: 16px;
}
.shop-cta__text {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--white);
  line-height: 1.8;
  margin-bottom: 36px;
  letter-spacing: 0.03em;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: clamp(50px, 7vw, 80px) 0 0;
}
.footer__inner {
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
  margin: 0 auto;
  padding: 0 var(--side-pad);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 40px;
  align-items: start;
  padding-bottom: 40px;
}
.footer__logo {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.footer__tagline {
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}
.footer__nav ul { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer__nav a {
  font-size: 0.78rem;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}
.footer__nav a:hover { color: var(--white); }
.footer__social { display: flex; gap: 16px; }
.footer__social-link {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.footer__social-link:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(203,164,94,0.08);
}
.footer__social-link svg { width: 16px; height: 16px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer__copy {
  font-size: 0.7rem;
  font-weight: 300;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .header__nav { display: none; }
  .header__hamburger { display: flex; }
  .header__nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(13,27,42,0.97);
    align-items: center;
    justify-content: center;
    z-index: 999;
  }
  .header__nav.open .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .header__nav.open .header__nav-list a { font-size: 1.1rem; }
  .products__inner { grid-template-columns: repeat(2, 1fr); }
  .concept__inner { grid-template-columns: 1fr; gap: 40px; }
  .concept__img-wrap { order: -1; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__social { grid-column: span 2; }
}

@media (max-width: 600px) {
  .page-hero__title {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  .filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .filter-tabs::-webkit-scrollbar { display: none; }
  .products__inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-card__info { padding: 14px 14px 18px; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__social { grid-column: 1; }
}

@media (max-width: 400px) {
  .products__inner { grid-template-columns: 1fr; }
}