/**
 * カラダのゴール - 共通スタイルシート
 *
 * 全ページで共有するベーススタイルを定義します。
 * KISS/DRY原則に基づき、重複を排除し一元管理します。
 *
 * 含まれる内容:
 * - CSS変数（:root）
 * - リセット・ベース
 * - ユーティリティクラス
 * - 告知バー・ヘッダー・フッター
 * - ボタン・フォーム
 * - パンくずリスト
 */

/* ========================================
   CSS変数（テーマの一元管理）
   ======================================== */
:root {
    /* カラーパレット */
    --color-primary: #2C4A3B;       /* 深い緑: ブランドカラー */
    --color-primary-hover: #1a3025;
    --color-accent: #A85E32;        /* テラコッタ: アクセント */
    --color-bg: #F9F8F6;            /* 生成り: 背景色 */
    --color-text: #333333;          /* 墨色: 本文 */
    --color-text-light: #555555;
    --color-text-muted: #888888;
    --color-white: #ffffff;
    --color-border: #E5E0D8;
    --color-gray-bg: #F0EFED;

    /* フォントスタック */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;

    /* レイアウト */
    --container-width: 1280px;
    --header-height: 80px;
    --sticky-cart-height: 80px;  /* 商品詳細SP用スティッキーカートの高さ */

    /* スペーシング（8pxベース） */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;     /* 16px */
    --space-md: 1.5rem;   /* 24px */
    --space-lg: 2rem;     /* 32px */
    --space-xl: 3rem;     /* 48px */
    --space-2xl: 4rem;    /* 64px */
    --section-padding-y: var(--space-2xl);  /* セクション上下 */
}

/* 幅の狭いページ用（guide, faq, contact等）は各ページで --container-width: 1000px を上書き可能 */

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

body {
    font-family: var(--font-serif);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* 背景パターン: 土の質感を表現 */
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232c4a3b' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}
a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

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

/* ========================================
   ユーティリティクラス
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.font-sans {
    font-family: var(--font-sans);
}

.text-center {
    text-align: center;
}

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

.text-bold {
    font-weight: 700;
}

.text-accent {
    color: var(--color-accent);
}

.bg-white {
    background-color: var(--color-white);
}

.bg-gray {
    background-color: var(--color-gray-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* スクリーンリーダー専用（視覚的に非表示、読み上げは有効） */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ユーティリティ: 非表示 */
.u-hidden {
    display: none !important;
}

.u-hidden-sm {
    display: none;
}
@media (min-width: 768px) {
    .u-hidden-sm {
        display: inline;
    }
}

/* ========================================
   告知バー
   ======================================== */
.announcement-bar {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    letter-spacing: 0.05em;
}
@media (min-width: 768px) {
    .announcement-bar {
        font-size: 0.875rem;
    }
}

/* ========================================
   ヘッダー
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(249, 248, 246, 0.95);
    backdrop-filter: blur(4px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

/* ヘッダーは常にトップと同じ幅（--container-width の上書きに影響されない） */
.site-header .container {
    max-width: 1280px;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}
@media (min-width: 768px) {
    .logo-text {
        font-size: 1.875rem;
    }
}

/* グローバルナビゲーション */
.global-nav {
    display: none;
}
.global-nav ul {
    display: flex;
    gap: 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}
@media (min-width: 768px) {
    .global-nav {
        display: block;
    }
}

.nav-link {
    position: relative;
    display: inline-block;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--color-primary);
    transform-origin: bottom right;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.nav-link:hover {
    color: var(--color-primary);
}
.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* ヘッダー右側ユーティリティ（検索・マイページ・カート） */
.header-utils {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    display: flex;
    align-items: center;
    padding: 0;
}
.icon-btn:hover {
    color: var(--color-primary);
}

.cart-link {
    position: relative;
    display: flex;
    align-items: center;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 10px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
}

/* モバイルメニューボタン（SP表示） */
.menu-toggle {
    display: block;
}
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    .mypage-link {
        display: block;
    }
}

/* マイページアイコン（SPでは非表示） */
.mypage-link {
    display: none;
}
@media (min-width: 768px) {
    .mypage-link {
        display: block;
    }
}

/* モバイルメニュー（SP用、JSで開閉制御） */
.mobile-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 1rem;
    font-family: var(--font-sans);
}
.mobile-menu.is-open {
    display: block;
}
.mobile-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    font-weight: 500;
}

/* ヘッダー ログインリンク（未ログイン時） */
.header-login-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.3s ease;
}
.header-login-link:hover {
    color: var(--color-primary);
}

/* 検索モーダル */
.search-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.search-modal.is-open {
    display: flex;
}
.search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}
.search-modal-content {
    position: relative;
    background: var(--color-white);
    padding: 2rem;
    border-radius: 4px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    animation: searchModalFadeIn 0.3s ease-out;
}
@keyframes searchModalFadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.search-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.25rem;
}
.search-modal-close:hover {
    color: var(--color-text);
}
.search-modal form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.search-modal form input[type="search"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-sans);
}
.search-modal form input[type="search"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(44, 74, 59, 0.1);
}
.search-modal-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

/* ========================================
   メインコンテンツ・フッター間の余白
   ======================================== */
main {
    padding-bottom: var(--section-padding-y);
}

/* ========================================
   フッター
   ======================================== */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-lg);
    font-family: var(--font-sans);
}

/* フッターも常にトップと同じ幅 */
.site-footer .container {
    max-width: 1280px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}
@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-heading {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.footer-nav li {
    margin-bottom: 0.75rem;
}
.footer-nav a {
    font-size: 0.875rem;
    color: #d1d5db;
}
.footer-nav a:hover {
    color: var(--color-white);
}

.shop-info-text {
    font-size: 0.875rem;
    color: #d1d5db;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.legal-links li {
    margin-bottom: 0.5rem;
}
.legal-links a {
    font-size: 0.75rem;
    color: #9ca3af;
}
.legal-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.copyright {
    font-size: 0.75rem;
    color: #9ca3af;
}

/* ========================================
   ボタン
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    text-decoration: none;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 74, 59, 0.2);
}
.btn-primary:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn-primary svg {
    margin-left: 0.5rem;
    width: 1rem;
    height: 1rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    color: var(--color-text);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}
.btn-secondary:hover {
    background-color: #f5f5f5;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-text-light);
    text-decoration: underline;
    cursor: pointer;
    font-family: var(--font-sans);
}
.btn-link:hover {
    color: var(--color-accent);
}

/* ========================================
   フォーム
   ======================================== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-sans);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(44, 74, 59, 0.1);
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    font-family: var(--font-sans);
}

.required-badge {
    background-color: #D32F2F;
    color: #fff;
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    margin-left: 0.5rem;
}

/* ========================================
   ページ見出し（guide, faq, contact 等）
   ======================================== */
.page-header {
    padding: var(--section-padding-y) 0;
    max-width: 800px;
    margin: 0 auto;
}
.page-header.text-center { text-align: center; }
.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
@media (min-width: 768px) { .page-title { font-size: 2.5rem; } }
.page-lead {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
}

/* ========================================
   パンくずリスト
   ======================================== */
/* パンくずは常に商品詳細ページと同じ幅（1280px）で統一 */
.breadcrumb-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.breadcrumb {
    padding: 1rem 0;
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}
.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}
.breadcrumb li {
    display: flex;
    align-items: center;
}
.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 0.5rem;
    color: #999;
}

/* ========================================
   商品一覧・商品詳細（products/product 共通）
   ======================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    row-gap: 3rem;
}
@media (min-width: 768px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.product-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.product-card-img-wrap {
    position: relative;
    aspect-ratio: 1 / 1;
    background-color: #eee;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.product-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-card-body { flex-grow: 1; }
.product-card-name {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    line-height: 1.5;
}
.product-card-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-sans);
}

/* 商品詳細 */
.product-detail-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 0 4rem;
}
@media (min-width: 1024px) {
    .product-detail-main {
        grid-template-columns: 1.2fr 1fr;
        padding: 3rem 0 5rem;
    }
}
.product-detail-gallery {
    background-color: #fff;
    border: 1px solid var(--color-border);
    aspect-ratio: 1 / 1;
    overflow: hidden;
}
.product-detail-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-detail-info { display: flex; flex-direction: column; }
.product-detail-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
@media (min-width: 768px) { .product-detail-name { font-size: 1.8rem; } }
.product-detail-catch {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    font-family: var(--font-sans);
}
.product-detail-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-sans);
    margin-bottom: 1.5rem;
}
.product-detail-form { margin-top: 1rem; }
.product-detail-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.product-detail-desc,
.product-detail-specs {
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
}
.product-specs-dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 2rem;
}
.product-specs-dl dt { font-weight: 700; color: var(--color-text-light); }
.product-specs-dl dd { margin: 0; }

/* ----------------------------------------
   商品詳細ページ拡張スタイル
   商品詳細ページ用スタイル。
   画像ギャラリー、バッジ、購入UI、スティッキーカート、配送情報ブロック等。
   ---------------------------------------- */
/* 商品詳細ページ用: SP時にスティッキーカート分の余白を確保 */
body.product-detail-page {
    padding-bottom: var(--sticky-cart-height);
}
@media (min-width: 768px) {
    body.product-detail-page {
        padding-bottom: 0;
    }
}

/* メインコンテナ（product-hero: 画像+情報の2カラムgrid） */
.product-hero {
    padding: 2rem 0 4rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media (min-width: 1024px) {
    .product-hero {
        grid-template-columns: 1.2fr 1fr;
        padding: 3rem 0 5rem;
    }
}

/* 画像ギャラリー */
.product-gallery {
    position: relative;
}
.main-image-wrapper {
    background-color: #fff;
    border: 1px solid var(--color-border);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
}
.product-gallery .main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.3s;
}
.thumb-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}
.thumb-item {
    border: 1px solid var(--color-border);
    background-color: #fff;
    aspect-ratio: 1 / 1;
    cursor: pointer;
    overflow: hidden;
    opacity: 0.7;
    transition: all 0.2s;
}
.thumb-item:hover,
.thumb-item.active {
    opacity: 1;
    border-color: var(--color-primary);
}
.thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 商品情報カラム */
.product-info {
    display: flex;
    flex-direction: column;
}
.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}
@media (min-width: 768px) {
    .product-title {
        font-size: 1.8rem;
    }
}

/* バッジ（tags から生成: 人気、オーガニック、無添加等） */
.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.p-badge {
    font-size: 0.75rem;
    color: #fff;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-sans);
    font-weight: 500;
    border-radius: 2px;
    background-color: var(--color-text-muted);
}
.p-badge.badge-brand {
    background-color: var(--color-primary);
}
.p-badge.badge-organic {
    background-color: #7CB342;
}
.p-badge.badge-additive-free {
    background-color: #555;
}

/* 価格エリア */
.product-price-area {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}
.price-val {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-sans);
    margin-right: 0.5rem;
}
.price-tax {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* 在庫状況 */
.stock-status {
    font-family: var(--font-sans);
    font-weight: 700;
    color: #2E7D32;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.stock-status.stock-low {
    color: #E65100;
}
.stock-status.stock-out {
    color: var(--color-text-muted);
}

/* 購入エリア（数量セレクタ + カートボタン） */
.purchase-area {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}
.qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    background-color: #fff;
    height: 56px;
}
.qty-btn {
    width: 48px;
    height: 100%;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
}
.qty-btn:hover {
    background-color: #f5f5f5;
}
.qty-input {
    width: 60px;
    height: 100%;
    border: none;
    text-align: center;
    font-size: 1.125rem;
    font-family: var(--font-sans);
    font-weight: 700;
    -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.btn-add-to-cart {
    flex: 1;
    min-width: 200px;
    height: 56px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
}
.btn-add-to-cart:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 74, 59, 0.2);
}

/* 送料メッセージ・お気に入り */
.shipping-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    margin-bottom: 1.5rem;
}
.btn-favorite {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    text-decoration: underline;
}
.btn-favorite:hover {
    color: var(--color-accent);
}

/* スティッキーカート（SP用、画面下部固定） */
.sticky-cart-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    border-top: 1px solid var(--color-border);
    padding: 1rem;
    z-index: 90;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
}
.sticky-cart-bar.is-visible {
    transform: translateY(0);
}
.sticky-cart-actions {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}
@media (min-width: 768px) {
    .sticky-cart-bar {
        display: none;
    }
}

/* 商品説明・仕様セクション */
.content-section {
    padding: 4rem 0;
    border-top: 1px solid var(--color-border);
}
.product-description-text {
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text);
}
.product-description-text p {
    margin-bottom: 1.5rem;
}
.product-description-text ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}
.spec-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: 0.875rem;
}
.spec-table th,
.spec-table td {
    border: 1px solid var(--color-border);
    padding: 1rem;
    text-align: left;
}
.spec-table th {
    background-color: var(--color-gray-bg);
    font-weight: 700;
    width: 30%;
    white-space: nowrap;
}
.spec-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    max-width: 800px;
    margin: 0 auto;
}

/* 配送・購入情報ブロック（4つのinfo-box） */
.info-grid {
    display: grid;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.info-box {
    background-color: #fff;
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
}
.info-title {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.info-text {
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--color-text-light);
}
.info-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--color-accent);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    text-decoration: underline;
}

/* ========================================
   カート・購入フロー用
   カート・購入フロー用スタイル
   ======================================== */
.cart-step-bar-container {
    background-color: #fff;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
    position: sticky;
    top: var(--header-height);
    z-index: 40;
}
.cart-step-bar {
    display: flex;
    justify-content: space-between;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}
.cart-step-bar::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-border);
    z-index: 0;
}
.cart-step-item {
    position: relative;
    z-index: 1;
    text-align: center;
    background-color: #fff;
    padding: 0 0.5rem;
}
.cart-step-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: var(--color-border);
    color: #fff;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-sans);
    margin-bottom: 0.25rem;
}
.cart-step-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}
.cart-step-item.active .cart-step-circle,
.cart-step-item.completed .cart-step-circle {
    background-color: var(--color-primary);
}
.cart-step-item.active .cart-step-label,
.cart-step-item.completed .cart-step-label {
    color: var(--color-primary);
}

.cart-screen-container {
    background-color: #fff;
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.cart-screen-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}
.cart-free-shipping-bar {
    background-color: #E8F5E9;
    border: 1px solid #C8E6C9;
    color: #2E7D32;
    padding: 0.75rem;
    text-align: center;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-family: var(--font-sans);
}
.cart-free-shipping-bar.done {
    background-color: #C8E6C9;
}
.cart-item {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid #eee;
    padding: 1rem 0;
    align-items: center;
}
.cart-item-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    background: #eee;
    flex-shrink: 0;
}
.cart-item-info {
    flex: 1;
    min-width: 0;
}
.cart-item-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}
.cart-item-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}
.cart-item-qty {
    font-size: 0.9rem;
    font-family: var(--font-sans);
}
/* カート内数量変更フォーム: qty-selector をコンパクトにし、変更ボタンと横並び */
.cart-item-qty-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.cart-item-qty-selector {
    height: 44px;
}
.cart-item-qty-selector .qty-input {
    width: 48px;
    font-size: 0.95rem;
}
.btn-qty-update {
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
}
.cart-item-subtotal {
    font-weight: 700;
    font-family: var(--font-sans);
}
.cart-summary {
    background-color: var(--color-gray-bg);
    padding: 1.5rem;
    border-radius: 4px;
    margin-top: 2rem;
}
.cart-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-sans);
}
.cart-summary-row.total {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
    border-top: 1px solid #ccc;
    padding-top: 1rem;
    margin-top: 1rem;
}
.cart-confirm-section {
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}
.cart-confirm-title {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--color-primary);
    padding-left: 0.5rem;
}
.cart-confirm-content {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-light);
}
.cart-edit-link {
    float: right;
    font-size: 0.8rem;
    color: var(--color-accent);
    text-decoration: underline;
}
.cart-edit-link:hover {
    color: var(--color-primary);
}

/* ========================================
   guide / faq / contact / legal / privacy ページ用
   ======================================== */
.toc-nav { background-color: #fff; border: 1px solid var(--color-border); padding: 2rem; margin-bottom: var(--space-2xl); max-width: 800px; margin-left: auto; margin-right: auto; }
.toc-list { display: grid; grid-template-columns: repeat(1, 1fr); gap: 1rem; font-family: var(--font-sans); font-size: 0.9rem; list-style: none; padding: 0; margin: 0; }
@media (min-width: 768px) { .toc-list { grid-template-columns: repeat(2, 1fr); } }
.toc-link { display: flex; align-items: center; color: var(--color-primary); font-weight: 500; }
.toc-link:hover { color: var(--color-accent); text-decoration: underline; }
.toc-link::before { content: ''; width: 6px; height: 6px; background-color: var(--color-accent); border-radius: 50%; margin-right: 0.75rem; }
.guide-section { padding: var(--section-padding-y) 0; border-top: 1px solid var(--color-border); max-width: 800px; margin: 0 auto; }
.guide-heading { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); margin-bottom: 2rem; display: flex; align-items: center; gap: 0.75rem; }
.guide-subheading { font-size: 1.25rem; font-weight: 700; color: var(--color-text); margin: 2.5rem 0 1rem; border-left: 4px solid var(--color-primary); padding-left: 1rem; font-family: var(--font-sans); }
.guide-text { font-family: var(--font-sans); font-size: 0.95rem; line-height: 1.8; color: var(--color-text); margin-bottom: 1.5rem; }
.step-list { counter-reset: step; margin-top: 2rem; }
.step-item { position: relative; padding-left: 3rem; margin-bottom: 2.5rem; }
.step-item::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; background-color: var(--color-primary); color: #fff; border-radius: 50%; text-align: center; line-height: 2rem; font-weight: 700; font-family: var(--font-sans); }
.step-item::after { content: ''; position: absolute; left: 1rem; top: 2.5rem; bottom: -2rem; width: 1px; background-color: var(--color-border); }
.step-item:last-child::after { display: none; }
.step-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 0.5rem; display: block; color: var(--color-text); }
.guide-table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 0.9rem; margin-bottom: 1.5rem; }
.guide-table th, .guide-table td { border: 1px solid var(--color-border); padding: 1rem; text-align: left; }
.guide-table th { background-color: var(--color-gray-bg); font-weight: 700; width: 30%; }
.bank-info { background-color: var(--color-gray-bg); padding: 1.5rem; border-radius: 4px; font-family: var(--font-sans); font-size: 0.95rem; margin-bottom: 1.5rem; }
.faq-nav { background-color: #fff; border: 1px solid var(--color-border); padding: 2rem; margin-bottom: var(--space-2xl); max-width: 800px; margin-left: auto; margin-right: auto; }
.faq-nav-list { display: grid; grid-template-columns: repeat(1, 1fr); gap: 1rem; font-family: var(--font-sans); font-size: 0.9rem; list-style: none; padding: 0; margin: 0; }
@media (min-width: 768px) { .faq-nav-list { grid-template-columns: repeat(2, 1fr); } }
.faq-nav-link { display: flex; align-items: center; color: var(--color-primary); font-weight: 500; }
.faq-nav-link:hover { color: var(--color-accent); text-decoration: underline; }
.faq-nav-link::before { content: ''; width: 6px; height: 6px; background-color: var(--color-accent); border-radius: 50%; margin-right: 0.75rem; }
.faq-section { padding: var(--section-padding-y) 0; border-top: 1px solid var(--color-border); max-width: 800px; margin: 0 auto; }
.faq-category-title { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); margin-bottom: 2rem; display: flex; align-items: center; gap: 0.75rem; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-question { width: 100%; text-align: left; padding: 1.5rem 0; background: none; border: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1rem; font-weight: 700; color: var(--color-text); }
.faq-question:hover { color: var(--color-primary); }
.faq-question-text { display: flex; gap: 0.5rem; }
.faq-question-text::before { content: 'Q.'; color: var(--color-accent); font-weight: 700; }
.faq-toggle-icon { color: var(--color-text-light); transition: transform 0.3s; }
.faq-item[open] .faq-toggle-icon { transform: rotate(180deg); }
.faq-answer-inner { padding: 0 0 1.5rem 1.5rem; font-family: var(--font-sans); font-size: 0.95rem; line-height: 1.8; color: var(--color-text-light); }
.faq-answer-inner::before { content: 'A.'; color: var(--color-primary); font-weight: 700; margin-right: 0.5rem; margin-left: -1.5rem; }
.contact-cta { background-color: var(--color-gray-bg); padding: 3rem 1rem; text-align: center; margin-top: 4rem; border-radius: 4px; }
.contact-cta-title { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-bottom: 1.5rem; }
.contact-link { color: var(--color-accent); text-decoration: underline; font-weight: 700; }
.alert-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e8f4f8 100%);
    border: 1px solid rgba(44,74,59,0.2);
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}
.alert-title { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.alert-content { font-family: var(--font-sans); font-size: 0.95rem; line-height: 1.7; color: var(--color-text); }
.alert-link { color: var(--color-accent); text-decoration: underline; font-weight: 500; }
.alert-link:hover { text-decoration: none; }
.contact-section { margin-bottom: 3rem; }
.contact-form-section {
    background-color: var(--color-gray-bg);
    padding: 2rem 0;
}
.section-heading { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-bottom: 1.5rem; text-align: center; }
@media (min-width: 768px) { .section-heading { font-size: 1.5rem; } }
.methods-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 2rem; }
@media (min-width: 600px) { .methods-grid { grid-template-columns: repeat(2, 1fr); } }
.method-card {
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    transition: box-shadow 0.2s, border-color 0.2s;
}
.method-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(44,74,59,0.08);
}
.method-icon { margin-bottom: 1.25rem; color: var(--color-primary); }
.method-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; font-family: var(--font-sans); color: var(--color-text); }
.method-detail { font-size: 0.9rem; line-height: 1.7; font-family: var(--font-sans); color: var(--color-text-light); }
.method-tel {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
    transition: color 0.2s;
}
.method-tel:hover { color: var(--color-primary); }

/* お問い合わせフォーム */
.contact-form {
    max-width: 100%;
    margin: 0;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.contact-form .form-group { margin-bottom: 1.5rem; }
.contact-form .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.contact-form .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44,74,59,0.1);
}
.contact-form select.form-control { cursor: pointer; appearance: auto; }
.contact-form textarea.form-control { min-height: 160px; resize: vertical; }
.consent-group {
    margin: 2rem 0 1.5rem;
    padding: 1.5rem;
    background: var(--color-gray-bg);
    border-radius: 6px;
    border: 1px solid var(--color-border);
}
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.5;
}
.checkbox-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
    accent-color: var(--color-primary);
}
.btn-submit {
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-sans);
    color: #fff;
    background: var(--color-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.btn-submit:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}
.btn-submit:active { transform: translateY(0); }
.submit-note {
    margin-top: 1.5rem;
    padding: 1rem;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    color: var(--color-text-light);
    background: var(--color-gray-bg);
    border-radius: 4px;
    line-height: 1.6;
}

.guidance-block {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}
.guidance-title { font-weight: 700; margin-bottom: 0.5rem; font-family: var(--font-sans); color: var(--color-primary); font-size: 1rem; }
.guidance-text { font-size: 0.95rem; line-height: 1.8; font-family: var(--font-sans); color: var(--color-text); }
.contact-bottom-section { background-color: var(--color-gray-bg); padding: 2rem 0; border-radius: 8px; }
.contact-bottom-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .contact-bottom-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.contact-bottom-grid .section-heading { margin-bottom: 1rem; }
.company-table, .links-table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 0.95rem; margin-bottom: 0; }
.company-table th, .company-table td, .links-table th, .links-table td { border: 1px solid var(--color-border); padding: 1rem; text-align: left; }
.company-table th, .links-table th { background-color: var(--color-gray-bg); font-weight: 700; width: 30%; }
.links-table a { color: var(--color-accent); text-decoration: underline; }
.optional-badge { font-size: 0.75rem; color: var(--color-text-muted); padding: 0.15rem 0.4rem; border: 1px solid var(--color-border); border-radius: 2px; margin-left: 0.5rem; }
.tokushoho-table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 0.95rem; background-color: #fff; border: 1px solid var(--color-border); }
.tokushoho-row { display: block; border-bottom: 1px solid var(--color-border); }
.tokushoho-th { display: block; background-color: var(--color-gray-bg); padding: 1rem 1.5rem; font-weight: 700; color: var(--color-primary); }
.tokushoho-td { display: block; padding: 1.5rem; color: var(--color-text); }
@media (min-width: 768px) { .tokushoho-row { display: flex; } .tokushoho-th { display: flex; align-items: center; width: 30%; min-width: 240px; border-right: 1px solid var(--color-border); } .tokushoho-td { width: 70%; flex-grow: 1; } }
.tokushoho-section-title { background-color: var(--color-primary); color: #fff; padding: 0.75rem 1.5rem; font-weight: 700; font-size: 1rem; font-family: var(--font-sans); margin: 0; }
.text-bold { font-weight: 700; }
.text-sm { font-size: 0.85rem; color: var(--color-text-light); }
.mt-4 { margin-top: 1rem; }
.policy-container { max-width: 800px; margin: 0 auto; }
.policy-date { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 2rem; font-family: var(--font-sans); }
.policy-intro { margin-bottom: 2rem; }
.policy-section { margin-bottom: 2.5rem; }
.policy-h2 { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-bottom: 1rem; font-family: var(--font-sans); }
.policy-h3 { font-size: 1rem; font-weight: 700; margin: 1.5rem 0 0.5rem; font-family: var(--font-sans); }
.policy-text { font-family: var(--font-sans); font-size: 0.95rem; line-height: 1.8; margin-bottom: 1rem; }
.policy-list { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.policy-list.decimal { list-style: decimal; }
.policy-table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 0.9rem; margin-bottom: 1rem; }
.policy-table th, .policy-table td { border: 1px solid var(--color-border); padding: 0.75rem; text-align: left; }
.policy-table th { background-color: var(--color-gray-bg); font-weight: 700; width: 25%; }
.policy-link { color: var(--color-accent); text-decoration: underline; }
.contact-box { background-color: var(--color-gray-bg); padding: 1.5rem; border-radius: 4px; margin-bottom: 1rem; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 0.5rem; font-family: var(--font-sans); }
.contact-label { font-weight: 700; min-width: 100px; }
.revision-history { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.revision-item { display: flex; gap: 1rem; margin-bottom: 0.5rem; font-family: var(--font-sans); font-size: 0.9rem; }