/* ==========================================================================
   我が家の収納ラボ: Japandi Design System
   ========================================================================== */

@font-face {
    font-family: 'Harenosora Mincho';
    src: url('https://cdn.leafscape.be/Harenosora/harenosora_web.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    /* カラーパレット (Japandi) */
    --color-bg: #F5F5F0;        /* オフホワイト (壁紙のような温かみ) */
    --color-surface: #FFFFFF;   /* 純白 (カードなどの背景) */
    --color-text-main: #4A4A4A; /* 柔らかな墨色 (真っ黒を避ける) */
    --color-text-sub: #7A7A7A;  /* やや明るいグレー */
    --color-accent: #D4C9B9;    /* ベージュ (メインアクセント) */
    --color-accent-hover: #C5BAA8; 
    --color-wood: #8B7355;      /* 木目を感じるブラウン */
    
    /* 余白 (Spacing) */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 角丸 (Border Radius) */
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    /* 影 (Shadow - 非常に柔らかく) */
    --shadow-sm: 0 4px 12px rgba(74, 74, 74, 0.05);
    --shadow-md: 0 12px 32px rgba(74, 74, 74, 0.08);
    
    /* タイポグラフィ */
    --font-family-base: 'Inter', 'Noto Sans JP', sans-serif;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
    font-family: var(--font-family-base);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    background-color: var(--color-accent);
    color: #fff;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}
.btn:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.btn--primary {
    background-color: var(--color-text-main);
}
.btn--primary:hover {
    background-color: #333;
}
.btn--rakuten {
    background: #FFECEC;
    color: #B80000;
    border: 1px solid #F5C0C0;
    width: auto;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    flex-direction: column;
    gap: 0.2rem;
    line-height: 1.3;
}
.btn--rakuten:hover {
    background: #FFD8D8;
    border-color: #E89898;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(184,0,0,0.12);
}
.btn--amazon {
    background: #FFF5E6;
    color: #8a5000;
    border: 1px solid #F5D9A8;
    width: auto;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    flex-direction: column;
    gap: 0.2rem;
    line-height: 1.3;
}
.btn--amazon:hover {
    background: #FFE8C0;
    border-color: #E0B060;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(138,80,0,0.12);
}

/* Header */
.header {
    background-color: rgba(245, 245, 240, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(74, 74, 74, 0.05);
}
.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.header__logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
}
.header__nav-list {
    display: flex;
    gap: var(--spacing-md);
}
.header__nav-list a {
    font-size: 0.9rem;
    color: var(--color-text-sub);
    transition: var(--transition-fast);
}
.header__nav-list a:hover {
    color: var(--color-wood);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100vw;
    background: radial-gradient(circle, var(--color-surface) 0%, transparent 70%);
    opacity: 0.6;
    z-index: -1;
    pointer-events: none;
}
.hero__title {
    font-family: 'Harenosora Mincho', serif;
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}
.hero__subtitle {
    color: var(--color-text-sub);
    font-size: 1rem;
    font-weight: 300;
    max-width: 900px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .hero__title {
        font-size: 3.5rem;
    }
    .hero__subtitle {
        font-size: 1.125rem;
    }
}

/* Filter Section */
.filter-section {
    position: relative;
    z-index: 10;
    margin-top: -2rem;
    margin-bottom: var(--spacing-lg);
}
.filter-section__heading {
    font-family: 'Harenosora Mincho', serif;
    font-size: 1.5rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 0.4rem;
    letter-spacing: 0.04em;
    color: var(--color-text-main);
}
.filter-section__desc {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-sub);
    margin-bottom: 1.25rem;
}

/* ==========================================================================
   フィルターパネル全体
   ========================================================================== */
.filter-panel {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   タブ行（1層目）
   ========================================================================== */
.filter-tabs {
    display: flex;
    position: relative;
    border-bottom: 2px solid rgba(74, 74, 74, 0.07);
}
.filter-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1rem 1.25rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-sub);
    transition: color var(--transition-fast);
    position: relative;
    z-index: 1;
    letter-spacing: 0.02em;
}
.filter-tab__icon {
    font-size: 1.1rem;
    display: inline-block;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.filter-tab:hover {
    color: var(--color-text-main);
}
.filter-tab:hover .filter-tab__icon {
    transform: translateY(-2px);
}
.filter-tab.is-active {
    color: var(--color-wood);
    font-weight: 600;
}
.filter-tab.is-active .filter-tab__icon {
    transform: scale(1.2);
}

/* スライドするアンダーライン */
.filter-tab__indicator {
    position: absolute;
    bottom: -2px;
    height: 2.5px;
    background: var(--color-wood);
    border-radius: 99px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

/* ==========================================================================
   パネル（場所 / ブランド）
   ========================================================================== */
.filter-panel__section {
    padding: 1.25rem 1.5rem;
    animation: panelFadeIn 0.25s ease forwards;
}
.filter-panel__section.is-panel-hidden {
    display: none;
}
@keyframes panelFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 場所ボタン行 */
.icon-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* アイコンボタン */
.icon-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.6rem 0.75rem;
    border: 1.5px solid #E8E8E0;
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                color var(--transition-fast),
                transform 0.15s ease,
                box-shadow var(--transition-fast);
    min-width: 3.5rem;
    color: var(--color-text-sub);
    font-family: inherit;
}
.icon-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-text-main);
    background: #fafaf8;
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}
.icon-btn.is-active {
    border-color: var(--color-wood);
    background: rgba(139, 115, 85, 0.08);
    color: var(--color-wood);
}
.icon-btn.is-active .icon-btn__icon {
    filter: sepia(40%) saturate(130%) brightness(0.85);
}
.icon-btn.is-bouncing {
    animation: btnBounce 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@keyframes btnBounce {
    0%   { transform: translateY(0) scale(1); }
    30%  { transform: translateY(-6px) scale(1.15); }
    60%  { transform: translateY(-2px) scale(1.05); }
    80%  { transform: translateY(-4px) scale(1.1); }
    100% { transform: translateY(0) scale(1); }
}
.icon-btn__label {
    font-size: 0.65rem;
    font-weight: 500;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   アイコンスプライト
   icons_a: [All, Kitchen, Closet, Washroom]
   icons_b: [Desk, Living, Kids, Clothes]
   icons_c: [Documents, Food, Cable, Books]
   icons_d: [Cosmetics, Toys, Hide, Show]
   ========================================================================== */
.icon-btn__icon {
    display: block;
    width: 48px;
    height: 48px;
    background-repeat: no-repeat;
    background-size: 200% 200%;
    border-radius: 4px;
    transition: filter var(--transition-fast), transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.icon-btn:hover .icon-btn__icon {
    transform: translateY(-2px);
}

/* Group A */
.icon-all       { background-image: url('../images/icons_a.png'); background-position: 0%   0%;   }
.icon-kitchen   { background-image: url('../images/icons_a.png'); background-position: 100% 0%;   }
.icon-closet    { background-image: url('../images/icons_a.png'); background-position: 0%   100%; }
.icon-washroom  { background-image: url('../images/icons_a.png'); background-position: 100% 100%; }

/* Group B */
.icon-desk      { background-image: url('../images/icons_b.png'); background-position: 0%   0%;   }
.icon-living    { background-image: url('../images/icons_b.png'); background-position: 100% 0%;   }
.icon-kids      { background-image: url('../images/icons_b.png'); background-position: 0%   100%; }
.icon-clothes   { background-image: url('../images/icons_b.png'); background-position: 100% 100%; }

/* Group C */
.icon-documents { background-image: url('../images/icons_c.png'); background-position: 0%   0%;   }
.icon-food      { background-image: url('../images/icons_c.png'); background-position: 100% 0%;   }
.icon-cable     { background-image: url('../images/icons_c.png'); background-position: 0%   100%; }
.icon-books     { background-image: url('../images/icons_c.png'); background-position: 100% 100%; }

/* Group D */
.icon-cosmetics { background-image: url('../images/icons_d.png'); background-position: 0%   0%;   }
.icon-toys      { background-image: url('../images/icons_d.png'); background-position: 100% 0%;   }
.icon-hide      { background-image: url('../images/icons_d.png'); background-position: 0%   100%; }
.icon-show      { background-image: url('../images/icons_d.png'); background-position: 100% 100%; }

/* ==========================================================================
   ブランドチップ
   ========================================================================== */
.brand-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.brand-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1.1rem;
    border: 1.5px solid #E8E8E0;
    border-radius: 99px;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-sub);
    letter-spacing: 0.02em;
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                color var(--transition-fast),
                transform 0.15s ease,
                box-shadow var(--transition-fast);
}
.brand-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-text-main);
    background: #fafaf8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.brand-chip.is-active {
    background: var(--color-wood);
    border-color: var(--color-wood);
    color: #fff;
    font-weight: 600;
}

/* ==========================================================================
   ジャンルチップ（2層目・複数選择OR）
   ========================================================================== */
.filter-panel__genre {
    padding: 1rem 1.5rem 1.25rem;
    border-top: 1px solid rgba(74, 74, 74, 0.07);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.filter-panel__genre-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-sub);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}
.genre-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.genre-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 1rem;
    border: 1.5px solid #E8E8E0;
    border-radius: 99px;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-sub);
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                color var(--transition-fast),
                transform 0.15s ease,
                box-shadow var(--transition-fast);
}
.genre-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-text-main);
    background: #fafaf8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.genre-chip.is-active {
    background: linear-gradient(135deg, var(--color-wood), var(--color-accent));
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}
.genre-chip__check {
    font-size: 0.75rem;
    font-weight: 700;
    width: 0;
    opacity: 0;
    overflow: hidden;
    transition: width 0.2s ease, opacity 0.2s ease;
    display: inline-block;
}
.genre-chip.is-active .genre-chip__check {
    width: 0.9rem;
    opacity: 1;
    animation: chipCheck 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.genre-chip__icon {
    font-size: 0.9rem;
}
@keyframes chipCheck {
    0%   { transform: scale(0) rotate(-30deg); }
    60%  { transform: scale(1.3) rotate(5deg); }
    100% { transform: scale(1) rotate(0deg); }
}

/* ==========================================================================
   フッター（件数カウンター + リセット）
   ========================================================================== */
.filter-panel__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid rgba(74, 74, 74, 0.07);
    background: rgba(245, 245, 240, 0.6);
}
.filter-count {
    font-size: 0.82rem;
    color: var(--color-text-sub);
    font-variant-numeric: tabular-nums;
}
#filter-count-num {
    font-weight: 700;
    color: var(--color-wood);
    font-size: 1rem;
}
.filter-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid #D8D8D0;
    border-radius: 99px;
    background: transparent;
    color: var(--color-text-sub);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}
.filter-reset-btn:hover {
    border-color: var(--color-wood);
    color: var(--color-wood);
    background: rgba(139, 115, 85, 0.06);
}
.filter-reset-btn.is-pulsing {
    animation: resetPulse 0.35s ease;
}
@keyframes resetPulse {
    0%   { transform: scale(1); }
    40%  { transform: scale(0.92); }
    100% { transform: scale(1); }
}

/* モバイル対応 */
@media (max-width: 640px) {
    .filter-tab {
        font-size: 0.82rem;
        padding: 0.9rem 0.75rem;
    }
    .icon-btn {
        min-width: 3rem;
        padding: 0.5rem 0.6rem;
    }
    .filter-panel__genre {
        gap: 0.6rem;
    }
    .filter-panel__genre-label {
        width: 100%;
    }
    .filter-panel__footer {
        padding: 0.6rem 1rem;
    }
} /* end @media (max-width: 640px) */

/* Item Grid */
.main-content {
    margin-bottom: var(--spacing-xl);
}
.item-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}
@media (max-width: 1024px) {
    .item-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px) {
    .item-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}
@media (max-width: 400px) {
    .item-grid { grid-template-columns: 1fr; }
}

/* Item Card */
.item-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.item-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.item-card__image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 正方形コンテナ（楽天画像に合わせる） */
    background-color: #fff;
    overflow: hidden;
}
.item-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain; /* 見切れなし・全体表示 */
    transition: transform 0.5s ease;
    padding: 4px; /* 余白でスッキリ見せる */
}
.item-card:hover .item-card__image {
    transform: scale(1.05);
}
.item-card__content {
    padding: 1rem 1rem 0.85rem;  /* 内側余白を増やす */
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 0; /* gapは各要素のmarginで管理 */
}
/* ブランドバッジ行 */
.item-card__brand-row {
    margin-bottom: 0.4rem;
}

/* ブランドバッジ共通 */
.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.22rem 0.7rem;
    border-radius: 99px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    border: none;
    transition: opacity var(--transition-fast), transform 0.15s ease;
    color: #fff;
    line-height: 1;
    white-space: nowrap;
}
.brand-badge:hover {
    opacity: 0.85;
    transform: scale(0.97);
}

/* 無印良品 — 赤（MUJIロゴカラー） */
.brand-badge--muji {
    background: #CC0000;
}

/* ニトリ — ブランドグリーン */
.brand-badge--nitori {
    background: #00A550;
}

/* 山崎実業 tower — マットブラック */
.brand-badge--yamazaki {
    background: #1C1C1C;
    letter-spacing: 0.03em;
}

/* IKEA — ロイヤルブルー */
.brand-badge--ikea {
    background: #0051BA;
    color: #FFD83A;
    font-weight: 900;
    letter-spacing: 0.08em;
}

/* 100均 — ビビッドオレンジ */
.brand-badge--hyakkin {
    background: #F56A00;
}

/* ACTTO — テックティール */
.brand-badge--actto {
    background: #009688;
    letter-spacing: 0.05em;
}

/* デフォルト（未定義ブランド） */
.brand-badge--default {
    background: #6B6B6B;
}
.item-card__title {
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    /* 常に2行分の高さを確保—ピクセル値で指定する方が確実 */
    height: 42px;        /* 0.875rem(14px) x 1.5 x 2行 = 42px */
    overflow: hidden;
    word-break: auto-phrase;
    overflow-wrap: break-word;
    margin-bottom: 0.5rem;
}
.item-card__dimension {
    font-size: 0.72rem;
    color: var(--color-text-sub);
    margin-bottom: 0.6rem;
    /* 常に1行分の高さを確保 */
    height: 20px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}
.item-card__tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0;
    /* margin-top: auto を削除 — 2つの要素が予白を分割するのを防ぐ */
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0,0,0,0.05); /* 細い分割線 */
    margin-top: auto; /* tagsとactionsのグループでボトムに寄せる */
}
.tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.55rem;
    background-color: var(--color-bg);
    border-radius: 99px;
    color: var(--color-text-main);
}
.item-card__actions {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(0,0,0,0.06);
}
.item-card__actions .btn {
    flex: 1;
    padding: 0.75rem 0.35rem;
    font-size: 0.72rem;
    border-radius: 10px;
    min-height: 3.6rem;    /* 縦長 */
}

/* Skeleton Loading */
.skeleton {
    background: #e2e2e2;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}
.item-card__image-placeholder {
    width: 100%;
    height: 280px;
    background: #f0f0f0;
}
.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}
.skeleton-text.short {
    width: 60%;
}
@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================================================
   Phase 2 Components
   ========================================================================== */

/* Section wrapper */
.phase2-section {
    padding: var(--spacing-lg) 0;
}
.phase2-section--alt {
    background-color: var(--color-surface);
}
.section-title {
    font-family: 'Harenosora Mincho', serif;
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
    color: var(--color-text-main);
}
.section-desc {
    text-align: center;
    color: var(--color-text-sub);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Cinderella Fit Calculator */
.fit-calculator {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    max-width: 720px;
    margin: 0 auto;
}
.fit-calculator__inputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
@media (min-width: 768px) {
    .fit-calculator__inputs {
        flex-direction: row;
        gap: var(--spacing-md);
    }
}
.fit-fieldset {
    border: 1px solid #E0E0E0;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    flex: 1;
}
.fit-fieldset legend {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-wood);
    padding: 0 0.5rem;
}
.fit-row {
    display: flex;
    gap: var(--spacing-xs);
}
.fit-field {
    flex: 1;
}
.fit-field label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-sub);
    margin-bottom: 0.25rem;
}
.input-unit {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.input-unit input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #E0E0E0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text-main);
    background: #FAFAFA;
    outline: none;
    transition: var(--transition-fast);
}
.input-unit input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(212, 201, 185, 0.3);
}
.input-unit span {
    font-size: 0.85rem;
    color: var(--color-text-sub);
    white-space: nowrap;
}
.btn--wide {
    width: 100%;
    margin-top: var(--spacing-sm);
}
.fit-result {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 1rem;
    min-height: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}
.fit-result--ok {
    background-color: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #A5D6A7;
}
.fit-result--ng {
    background-color: #FFF3E0;
    color: #E65100;
    border: 1px solid #FFCC80;
}
.fit-result__icon {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}
.fit-result__detail {
    font-size: 0.85rem;
    margin-top: 0.25rem;
    opacity: 0.8;
}

/* Best Combo */
.combo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}
@media (min-width: 768px) {
    .combo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.combo-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}
.combo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.combo-card__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.75rem;
    border-radius: 99px;
    background: linear-gradient(135deg, var(--color-wood), var(--color-accent));
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: 0.03em;
}
.combo-card__title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}
.combo-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-sub);
    line-height: 1.6;
    margin-bottom: 1rem;
}
.combo-card__items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.combo-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-main);
    background: var(--color-surface);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
}
.combo-item__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-md) 0;
    color: var(--color-text-sub);
    font-size: 0.875rem;
    border-top: 1px solid rgba(74, 74, 74, 0.05);
}

/* ==========================================================================
   Phase 3: 新UI要素
   ========================================================================== */

/* フリーワード検索バー */
.filter-group--search {
    flex: 1.5 !important;
}
.search-input-wrapper {
    position: relative;
}
.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-sub);
    pointer-events: none;
}
.filter-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #E0E0E0;
    border-radius: var(--radius-md);
    background-color: #FAFAFA;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-main);
    outline: none;
    transition: var(--transition-fast);
}
.filter-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(212, 201, 185, 0.3);
}
.filter-input::placeholder {
    color: #C0C0C0;
    font-size: 0.9rem;
}

/* リセットボタン */
.btn--ghost {
    background: transparent;
    border: 1px solid #D0D0D0;
    color: var(--color-text-sub);
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    flex: 0 0 auto !important;
}
.btn--ghost:hover {
    background-color: var(--color-bg);
    border-color: var(--color-accent);
    color: var(--color-text-main);
    transform: none;
    box-shadow: none;
}

/* 目的別バッジ（カード上の「隠す/見せる」ラベル） */
.item-card__purpose-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    letter-spacing: 0.05em;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.badge--hide {
    background: rgba(74, 74, 74, 0.75);
    color: #fff;
}
.badge--show {
    background: rgba(139, 115, 85, 0.85);
    color: #fff;
}

/* SNSシェアボタン */
.item-card__share {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(74, 74, 74, 0.07);
    flex-wrap: wrap;
}
.share-label {
    font-size: 0.75rem;
    color: var(--color-text-sub);
}
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
    transition: var(--transition-fast);
    white-space: nowrap;
}
.share-btn--x {
    background-color: #000;
    color: #fff;
}
.share-btn--x:hover {
    background-color: #333;
    transform: translateY(-1px);
}
.share-btn--line {
    background-color: #06C755;
    color: #fff;
}
.share-btn--line:hover {
    background-color: #05a848;
    transform: translateY(-1px);
}

/* 空状態（Empty State） */
.empty-state {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-sm);
    color: var(--color-text-sub);
}
.empty-state__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}
.empty-state__text {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}
.empty-state__sub {
    font-size: 0.9rem;
}

/* レスポンシブ: フィルターコンテナの折り返し調整 */
@media (min-width: 1024px) {
    .filter-container {
        flex-wrap: wrap;
        flex-direction: row;
    }
    .filter-group {
        flex: 1;
        min-width: 140px;
    }
    #search-btn, #reset-btn {
        flex: 0 0 auto;
    }
}
@media (max-width: 767px) {
    .item-card__share {
        flex-direction: row;
    }
    .share-btn {
        flex: 1;
        justify-content: center;
    }
}

/* ==========================================================================
   カルーセル — position:absoluteでimage-wrapperを埋める方式
   ========================================================================== */
.carousel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;   /* 横スクロールを防ぐ */
}
.carousel__track {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    height: 100%;
    /* width = slides count x 100% - controlled by JS transform */
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}
.carousel__slide {
    /* each slide = container width */
    flex-shrink: 0;
    flex-basis: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    color: var(--color-text-main, #333);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    /* 通常は非表示 */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, background 0.18s, transform 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* カード or 画像エリアにホバーで矢印を表示 */
.item-card:hover .carousel__btn,
.item-card__image-wrapper:hover .carousel__btn {
    opacity: 1;
    pointer-events: auto;
}
.carousel__btn:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}
.carousel__btn--prev { left: 0.35rem; }
.carousel__btn--next { right: 0.35rem; }

.carousel__dots {
    position: absolute;
    bottom: 0.45rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.3rem;
    z-index: 2;
}
.carousel__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transition: all 0.25s ease;
    cursor: default;
}
.carousel__dot.is-active {
    background: #fff;
    width: 16px;
    border-radius: 3px;
}

/* ==========================================================================
   ジャンルバッジ
   ========================================================================== */
.item-card__purpose-badge {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    pointer-events: none;
    z-index: 3;
}
.badge--box      { background: rgba(139,115,85,0.85);  color: #fff; }
.badge--rack     { background: rgba(90,110,100,0.85);  color: #fff; }
.badge--divider  { background: rgba(120,105,145,0.85); color: #fff; }
.badge--basket   { background: rgba(160,120,80,0.85);  color: #fff; }
.badge--hanger   { background: rgba(80,120,150,0.85);  color: #fff; }

/* ==========================================================================
   Instagramボタン
   ========================================================================== */
.btn--instagram {
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
    color: #fff;
    font-size: 0.8rem;
}
.btn--instagram:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    color: #fff;
}

/* シェアボタン（非表示） */
.item-card__share { display: none; }

/* ==========================================================================
   収納レイアウトシミュレーター
   ========================================================================== */

/* 2カラムレイアウト */
.sim-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.5rem;
    align-items: start;
    margin-top: 1.5rem;
}
@media (max-width: 860px) {
    .sim-layout {
        grid-template-columns: 1fr;
    }
}

/* 左パネル */
.sim-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* パネル内ブロック */
.sim-panel__block {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1.1rem 1.2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(74,74,74,0.07);
}

/* ステップラベル */
.sim-panel__step-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: 0.04em;
    margin-bottom: 0.85rem;
}
.sim-step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-wood);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 800;
    flex-shrink: 0;
}

/* スペース入力フォーム */
.sim-space-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}
.sim-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.sim-input-group label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-sub);
    letter-spacing: 0.04em;
}
.sim-input-unit {
    display: flex;
    align-items: center;
    border: 1.5px solid #E8E5DE;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafA;
    transition: border-color 0.2s;
}
.sim-input-unit:focus-within {
    border-color: var(--color-wood);
    background: #fff;
}
.sim-input-unit input {
    width: 100%;
    border: none;
    background: transparent;
    padding: 0.45rem 0.4rem;
    font-size: 0.82rem;
    font-family: inherit;
    color: var(--color-text-main);
    outline: none;
    min-width: 0;
}
.sim-input-unit span {
    color: var(--color-text-sub);
    font-size: 0.68rem;
    padding-right: 0.4rem;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ボタン */
.sim-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    width: 100%;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    letter-spacing: 0.03em;
}
.sim-btn--primary {
    background: var(--color-text-main);
    color: #fff;
}
.sim-btn--primary:hover {
    background: #333;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74,74,74,0.18);
}
.sim-btn--add {
    background: var(--color-wood);
    color: #fff;
    margin-top: 0.75rem;
}
.sim-btn--add:hover {
    background: #7a634a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139,115,85,0.22);
}

/* 追加タブ */
.sim-add-tabs {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
    border: 1.5px solid #E8E5DE;
    margin-bottom: 0.75rem;
}
.sim-add-tab {
    flex: 1;
    padding: 0.45rem 0.5rem;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-sub);
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    letter-spacing: 0.02em;
}
.sim-add-tab + .sim-add-tab {
    border-left: 1.5px solid #E8E5DE;
}
.sim-add-tab.is-active {
    background: var(--color-wood);
    color: #fff;
}

/* タブパネル */
.sim-tab-panel { display: none; }
.sim-tab-panel.is-active { display: block; }

/* セレクト */
.sim-select {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border: 1.5px solid #E8E5DE;
    border-radius: 8px;
    background: #fafafa;
    font-family: inherit;
    font-size: 0.78rem;
    color: var(--color-text-main);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 0.5rem;
}
.sim-select:focus {
    border-color: var(--color-wood);
}

/* テキスト入力 */
.sim-text-input {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border: 1.5px solid #E8E5DE;
    border-radius: 8px;
    background: #fafafa;
    font-family: inherit;
    font-size: 0.8rem;
    color: var(--color-text-main);
    outline: none;
    margin-bottom: 0.6rem;
    transition: border-color 0.2s;
}
.sim-text-input:focus { border-color: var(--color-wood); }

/* フリー入力 寸法グリッド */
.sim-custom-dims {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

/* ビューモード切り替えトグル */
.sim-view-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}
.sim-view-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.7rem 0.5rem;
    border: 1.5px solid #E8E5DE;
    border-radius: 10px;
    background: #fafaf8;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
    color: var(--color-text-sub);
}
.sim-view-btn:hover {
    border-color: var(--color-accent);
    background: #f5f2ed;
    color: var(--color-text-main);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.sim-view-btn.is-active {
    border-color: var(--color-wood);
    background: rgba(139,115,85,0.08);
    color: var(--color-wood);
}
.sim-view-btn svg {
    opacity: 0.55;
    transition: opacity 0.2s;
}
.sim-view-btn.is-active svg { opacity: 1; }
.sim-view-btn__title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1;
}
.sim-view-btn__sub {
    font-size: 0.62rem;
    opacity: 0.72;
    line-height: 1;
}

/* 商品プレビュー */
.sim-product-preview {
    background: rgba(139,115,85,0.07);
    border-radius: 6px;
    padding: 0.5rem 0.65rem;
    margin-bottom: 0.2rem;
}
.sim-preview-name {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0.15rem;
    line-height: 1.4;
}
.sim-preview-dim {
    font-size: 0.7rem;
    color: var(--color-wood);
    font-weight: 700;
}

/* アイテム一覧 */
.sim-item-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.sim-item-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.6rem;
    border-radius: 8px;
    background: #fafaf8;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: border-color 0.18s, background 0.18s;
}
.sim-item-row:hover { background: #f4f2ed; }
.sim-item-row.is-selected {
    border-color: var(--color-wood);
    background: rgba(139,115,85,0.07);
}

/* アイテムカラースウォッチ */
.sim-item-color {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.12);
}

/* アイテム情報 */
.sim-item-info {
    flex: 1;
    min-width: 0;
}
.sim-item-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sim-item-dim {
    font-size: 0.68rem;
    color: var(--color-text-sub);
    margin-top: 0.1rem;
}
.sim-item-dim.is-height-over {
    color: #c0392b;
}
.sim-height-warn {
    display: inline-block;
    font-size: 0.65rem;
    color: #e57373;
    margin-left: 0.2rem;
}

/* アイテムアクションボタン */
.sim-item-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}
.sim-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: 1.5px solid #E8E5DE;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    transition: background 0.18s, border-color 0.18s, transform 0.15s;
    color: var(--color-text-sub);
}
.sim-icon-btn:hover {
    transform: translateY(-1px);
}
.sim-icon-btn--rotate:hover {
    border-color: var(--color-wood);
    color: var(--color-wood);
    background: rgba(139,115,85,0.08);
}
.sim-icon-btn--del:hover {
    border-color: #e57373;
    color: #e57373;
    background: rgba(229,115,115,0.08);
}

/* 購入リンク */
.sim-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.sim-link-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sim-link-name {
    flex: 1;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}
.sim-link-btns {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}
.sim-link-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
}
.sim-link-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.12);
}
.sim-link-btn--rakuten {
    background: #FFECEC;
    color: #B80000;
    border: 1px solid #F5C0C0;
}
.sim-link-btn--amazon {
    background: #FFF5E6;
    color: #8a5000;
    border: 1px solid #F5D9A8;
}

/* ---- 右パネル: キャンバス ---- */
.sim-canvas-wrap {
    position: sticky;
    top: 90px; /* ヘッダーの高さ分 offset */
}
.sim-canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 300px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 2px dashed #D4C9B9;
    color: var(--color-text-sub);
    text-align: center;
}
.sim-canvas-placeholder__icon {
    font-size: 2.5rem;
    opacity: 0.45;
}
.sim-canvas-placeholder p {
    font-size: 0.88rem;
    line-height: 1.7;
}

.sim-canvas-container {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.sim-canvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid rgba(74,74,74,0.07);
    background: #fafaf8;
}
.sim-space-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-sub);
}
.sim-usage-rate {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    transition: color 0.3s;
}
.sim-canvas-body {
    padding: 0.5rem;
    display: flex;
    justify-content: center;
    overflow: auto;
}
.sim-svg {
    display: block;
    max-width: 100%;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}
.sim-canvas-hint {
    padding: 0.5rem 1rem;
    font-size: 0.68rem;
    color: var(--color-text-sub);
    text-align: center;
    border-top: 1px solid rgba(74,74,74,0.06);
    background: #fafaf8;
    line-height: 1.5;
}

/* モバイル対応 */
@media (max-width: 860px) {
    .sim-canvas-wrap {
        position: static;
    }
}

/* ==========================================================================
   商品カード「シミュレーターに追加」ボタン
   ========================================================================== */
.btn--add-sim {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    margin-top: 0.6rem;
    padding: 0.5rem 0.8rem;
    border: 1.5px dashed var(--color-wood);
    border-radius: 8px;
    background: transparent;
    color: var(--color-wood);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.03em;
    transition: background 0.2s, border-style 0.2s, color 0.2s;
}
.btn--add-sim:hover {
    background: rgba(139,115,85,0.08);
    border-style: solid;
}
.btn--add-sim--done {
    background: #e8f5e9 !important;
    color: #2e7d32 !important;
    border-color: #a5d6a7 !important;
    border-style: solid !important;
}

/* プレビューボタン */
.sim-icon-btn--preview:hover {
    border-color: var(--color-wood);
    color: var(--color-wood);
    background: rgba(139,115,85,0.08);
}

/* ==========================================================================
   カタログ2択UI（追加済み + フリー検索）
   ========================================================================== */
.sim-catalog-subsec {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.sim-catalog-sublabel {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: #8a7a6a;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.sim-catalog-or {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.4rem 0;
    font-size: 0.7rem;
    color: #bbb;
}
.sim-catalog-or::before,
.sim-catalog-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e8e3de;
}
.sim-catalog-or span {
    white-space: nowrap;
    padding: 0 0.25rem;
}

/* 検索結果ドロップダウン */
.sim-search-results {
    background: #fff;
    border: 1.5px solid #e8e3de;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    margin-top: 2px;
}
.sim-search-item {
    padding: 0.55rem 0.75rem;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid #f0ede8;
}
.sim-search-item:last-child { border-bottom: none; }
.sim-search-item:hover { background: #f7f3ef; }
.sim-search-item__name {
    font-size: 0.75rem;
    font-weight: 600;
    color: #2a2a2a;
    line-height: 1.4;
}
.sim-search-item__dim {
    font-size: 0.65rem;
    color: #8a7a6a;
    margin-top: 0.15rem;
}

/* ==========================================================================
   C: シミュレーターFABボタン（右下固定）
   ========================================================================== */
.sim-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 800;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    width: 68px;
    height: 68px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #8B7355, #6b5a45);
    color: #fff;
    box-shadow: 0 4px 20px rgba(139,115,85,0.45), 0 2px 8px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s, opacity 0.3s,
                background 0.35s ease;
    font-family: inherit;
    font-weight: 700;
    letter-spacing: 0.05em;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}
/* 絞込みモード時は色を変える */
.sim-fab[data-mode="filter"] {
    background: linear-gradient(135deg, #5a7a6b, #3d5c50);
    box-shadow: 0 4px 20px rgba(90,122,107,0.45), 0 2px 8px rgba(0,0,0,0.2);
}
.sim-fab[data-mode="filter"]:hover {
    box-shadow: 0 8px 28px rgba(90,122,107,0.5), 0 4px 12px rgba(0,0,0,0.25);
}
.sim-fab.is-visible {
    opacity: 1;
    pointer-events: auto;
    animation: fabIn 0.4s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
@keyframes fabIn {
    from { opacity:0; transform: scale(0.6) translateY(20px); }
    to   { opacity:1; transform: scale(1)   translateY(0); }
}
.sim-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(139,115,85,0.5), 0 4px 12px rgba(0,0,0,0.25);
}
.sim-fab:active { transform: scale(0.96); }

/* モード別コンテンツ */
.sim-fab__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    position: absolute;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.sim-fab__content span {
    font-size: 0.65rem;
    letter-spacing: 0.04em;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
}

/* simモード: デフォルト表示、filterモードで非表示 */
.sim-fab__content--sim  { opacity: 1; transform: scale(1); }
.sim-fab__content--filter { opacity: 0; transform: scale(0.7); pointer-events: none; }

/* data-mode="filter" のとき入れ替え */
.sim-fab[data-mode="filter"] .sim-fab__content--sim    { opacity: 0; transform: scale(0.7); pointer-events: none; }
.sim-fab[data-mode="filter"] .sim-fab__content--filter { opacity: 1; transform: scale(1); pointer-events: auto; }

@media (max-width: 640px) {
    .sim-fab { bottom: 1rem; right: 1rem; width: 60px; height: 60px; }
    .sim-fab__content span { font-size: 0.6rem; }
}

/* ==========================================================================
   最強の組み合わせ: フィルタータブ
   ========================================================================== */
.combo-filter-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 0.25rem;
    margin-bottom: 1.75rem;
}
.combo-filter-tabs::-webkit-scrollbar { display: none; }

.combo-filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1.1rem;
    border: 1.5px solid #E8E5DE;
    border-radius: 99px;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-sub);
    white-space: nowrap;
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                color var(--transition-fast),
                box-shadow var(--transition-fast),
                transform 0.15s ease;
    flex-shrink: 0;
}
.combo-filter-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-text-main);
    background: rgba(212,201,185,0.12);
    transform: translateY(-2px);
}
.combo-filter-tab.is-active {
    background: var(--color-wood);
    border-color: var(--color-wood);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(139,115,85,0.3);
}

/* ==========================================================================
   最強の組み合わせ: コンボグリッド
   ========================================================================== */
.combo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
@media (max-width: 900px) {
    .combo-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   最強の組み合わせ: コンボカード
   ========================================================================== */
.combo-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    transition: transform var(--transition-base),
                box-shadow var(--transition-base);
    border: 1px solid rgba(212,201,185,0.3);
}
.combo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* カードヘッダー（バッジ + 場所タグ） */
.combo-card__header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.combo-card__badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #fff;
    white-space: nowrap;
}
/* バッジカラー（場所別） */
.combo-badge--orange  { background: linear-gradient(135deg, #FF8C42, #FF6B17); }
.combo-badge--purple  { background: linear-gradient(135deg, #9B59B6, #7D3C98); }
.combo-badge--blue    { background: linear-gradient(135deg, #3498DB, #1A6BAD); }
.combo-badge--teal    { background: linear-gradient(135deg, #1ABC9C, #148F77); }
.combo-badge--green   { background: linear-gradient(135deg, #27AE60, #1E8449); }
.combo-badge--pink    { background: linear-gradient(135deg, #E91E8C, #C0175A); }
.combo-badge--default { background: linear-gradient(135deg, #7F8C8D, #616A6B); }

.combo-card__place {
    font-size: 0.75rem;
    color: var(--color-text-sub);
    font-weight: 500;
}

/* タイトル */
.combo-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.4;
    margin: 0;
}

/* 説明文 */
.combo-card__desc {
    font-size: 0.82rem;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin: 0;
}

/* 区切り線 */
.combo-card__products {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(212,201,185,0.35);
    border-bottom: 1px solid rgba(212,201,185,0.35);
}

/* 商品行 */
.combo-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* 商品サムネイル */
.combo-item__thumb {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: #F0EDE8;
    border: 1px solid rgba(212,201,185,0.4);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.combo-item:hover .combo-item__thumb {
    transform: scale(1.06);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.combo-item__thumb--empty {
    background: linear-gradient(135deg, #F0EDE8, #E8E5DE);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 商品情報 */
.combo-item__info {
    flex: 1;
    min-width: 0;
}
.combo-item__name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-main);
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.combo-item__dim {
    font-size: 0.7rem;
    color: var(--color-text-sub);
    margin-top: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* アクションエリア（シミュレーターボタン + 購入リンク） */
.combo-card__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: auto;
}

/* シミュレーターで試すボタン */
.combo-sim-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    background: linear-gradient(135deg, rgba(139,115,85,0.1), rgba(139,115,85,0.06));
    border: 1.5px solid rgba(139,115,85,0.35);
    border-radius: 99px;
    color: var(--color-wood);
    font-size: 0.78rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: background var(--transition-fast),
                border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                transform 0.15s ease;
    flex-shrink: 0;
}
.combo-sim-btn:hover {
    background: linear-gradient(135deg, rgba(139,115,85,0.18), rgba(139,115,85,0.12));
    border-color: var(--color-wood);
    box-shadow: 0 3px 10px rgba(139,115,85,0.22);
    transform: translateY(-2px);
}
.combo-sim-btn:active { transform: translateY(0); }

/* 購入リンク群 */
.combo-buy-links {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
}
.combo-buy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.45rem 0.85rem;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
    text-decoration: none;
    transition: background var(--transition-fast),
                box-shadow var(--transition-fast),
                transform 0.15s ease;
    letter-spacing: 0.02em;
}
.combo-buy-btn--rakuten {
    background: #FFECEC;
    color: #B80000;
    border: 1px solid #F5C0C0;
}
.combo-buy-btn--rakuten:hover {
    background: #FFD8D8;
    box-shadow: 0 3px 8px rgba(184,0,0,0.15);
    transform: translateY(-1px);
}
.combo-buy-btn--amazon {
    background: #FFF5E6;
    color: #8a5000;
    border: 1px solid #F5D9A8;
}
.combo-buy-btn--amazon:hover {
    background: #FFE8C0;
    box-shadow: 0 3px 8px rgba(138,80,0,0.15);
    transform: translateY(-1px);
}

/* モバイル調整 */
@media (max-width: 640px) {
    .combo-card { padding: 1.25rem; }
    .combo-card__actions { gap: 0.5rem; }
    .combo-buy-links { justify-content: flex-start; }
    .combo-item__thumb { width: 48px; height: 48px; }
}

/* ==========================================================================
   トースト通知（シミュレーター未設定時）
   ========================================================================== */
.combo-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: rgba(58, 48, 40, 0.93);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-family-base);
    white-space: nowrap;
    pointer-events: none;
    z-index: 9000;
    box-shadow: 0 8px 28px rgba(0,0,0,0.2);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.35s ease;
    opacity: 0;
    letter-spacing: 0.02em;
}
.combo-toast.is-visible {
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
    opacity: 1;
}
@media (max-width: 640px) {
    .combo-toast {
        font-size: 0.78rem;
        padding: 0.65rem 1.2rem;
        bottom: 5rem; /* FABと被らないよう上げる */
        white-space: normal;
        text-align: center;
        max-width: 85vw;
    }
}