/* assets/css/style.css — 基本レイアウト・変数・共通コンポーネント */

/* ===== カスタムプロパティ ===== */
:root {
  --color-primary:    #e63946;
  --color-primary-dk: #c1121f;
  --color-secondary:  #457b9d;
  --color-bg:         #f8f9fa;
  --color-bg-card:    #ffffff;
  --color-text:       #212529;
  --color-muted:      #6c757d;
  --color-border:     #dee2e6;
  --radius-sm:        4px;
  --radius:           10px;
  --radius-lg:        16px;
  --shadow-sm:        0 1px 4px rgba(0,0,0,.06);
  --shadow:           0 2px 12px rgba(0,0,0,.09);
  --shadow-lg:        0 6px 24px rgba(0,0,0,.12);
  --font-body:        'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Segoe UI', system-ui, sans-serif;
  --transition:       200ms ease;
  /* PFCバランス カラー */
  --pfc-p: #4169e1;   /* たんぱく質 — ブルー */
  --pfc-f: #f4a522;   /* 脂質       — オレンジ */
  --pfc-c: #27ae60;   /* 炭水化物   — グリーン */
}

/* ===== リセット ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 15px;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
}

/* ===== レイアウト ===== */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.site-main {
  min-height: calc(100vh - 130px);
}

/* ===== サイトヘッダー ===== */
.site-header {
  background: var(--color-bg-card);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.75rem;
}

/* ===== ロゴ ===== */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__icon {
  font-size: 1.5rem;
  line-height: 1;
}

.site-logo__text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.site-logo--sm .site-logo__text {
  font-size: 1.1rem;
}

/* ===== メインナビ ===== */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.main-nav__link {
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.main-nav__link:hover,
.main-nav__link.is-active {
  background: var(--color-primary);
  color: #fff;
}

/* ===== ハンバーガーボタン（モバイル） ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 26px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ===== パンくずリスト ===== */
.breadcrumb {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding-block: 0.75rem;
  font-size: 0.85rem;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '›';
  color: var(--color-muted);
}

.breadcrumb__item a {
  color: var(--color-muted);
}

.breadcrumb__item a:hover {
  color: var(--color-primary);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* ===== ボタン ===== */
.btn {
  display: inline-block;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-dk);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== バッジ ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.badge--cat {
  background: #fff3f3;
  color: var(--color-primary);
  border: 1px solid #ffc8c8;
}

.badge--cat.badge--lg {
  font-size: 0.875rem;
  padding: 0.3rem 0.9rem;
}

.badge--veg {
  background: #e8f5e9;
  color: #2e7d32;
}

.badge--vegan {
  background: #f1f8e9;
  color: #558b2f;
}

.badge--gf {
  background: #fff8e1;
  color: #f57f17;
}

/* ===== 評価 ===== */
.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.875rem;
}

.rating__stars {
  color: #f4a53a;
  letter-spacing: -1px;
}

.rating__val {
  font-weight: 700;
  color: var(--color-text);
}

.rating--lg .rating__stars {
  font-size: 1.1rem;
}

.rating--lg .rating__val {
  font-size: 1.1rem;
}

/* ===== 価格帯 ===== */
.price-range {
  font-weight: 700;
  color: var(--color-text);
}

.price-empty {
  color: var(--color-border);
}

.price-range--lg {
  font-size: 1.1rem;
}

/* ===== セクション見出し ===== */
.section-heading {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.section-count {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* ===== 空状態 ===== */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-muted);
}

.empty-state p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

/* ===== 404エラーページ ===== */
.error-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding-block: 3rem;
}

.error-page__content {
  text-align: center;
  max-width: 480px;
}

.error-page__icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.error-page__code {
  font-size: 6rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.error-page__title {
  font-size: 1.5rem;
  margin-block: 0.5rem 1rem;
}

.error-page__desc {
  color: var(--color-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.error-page__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* ===== サイトフッター ===== */
.site-footer {
  background: #1a1a2e;
  color: #ccc;
  margin-top: 4rem;
  padding-block: 2.5rem;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: start;
}

.site-footer .site-logo__text {
  color: #fff;
}

.site-footer__tagline {
  font-size: 0.8rem;
  color: #aaa;
  margin-top: 0.4rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.site-footer__nav a {
  color: #ccc;
  font-size: 0.875rem;
}

.site-footer__nav a:hover {
  color: var(--color-primary);
}

.site-footer__meta {
  text-align: right;
}

.site-footer__meta a {
  color: #aaa;
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.5rem;
}

.site-footer__copy {
  font-size: 0.78rem;
  color: #777;
}