/* ===========================
   ペットのひだまり - Designer Edition
   パララックス × エディトリアルデザイン
   =========================== */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
    --c-primary: #E8763A;
    --c-primary-dark: #C95F28;
    --c-primary-glow: rgba(232,118,58,0.25);
    --c-dark: #1A1A1A;
    --c-dark-soft: #2A2A2A;
    --c-cream: #FAF6F1;
    --c-warm: #F5EDE4;
    --c-white: #FFFFFF;
    --c-text: #2C2C2C;
    --c-text-mid: #6E6E6E;
    --c-text-light: #9A9A9A;
    --c-border: #E8E2DA;
    --c-amazon: #FF9900;
    --font: 'Noto Sans JP', sans-serif;
    --font-d: 'Zen Maru Gothic', sans-serif;
    --ease: cubic-bezier(.23,1,.32,1);
    --ease-out: cubic-bezier(.16,1,.3,1);
}

html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font); color: var(--c-text); background: var(--c-cream); line-height:1.8; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
img { max-width:100%; height:auto; }
.container { max-width:1200px; margin:0 auto; padding:0 32px; }

/* ===========================
   Reveal アニメーション
   =========================== */
[data-reveal] {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}
[data-reveal="left"] { transform: translateX(-60px); }
[data-reveal="left"].revealed { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(60px); }
[data-reveal="right"].revealed { transform: translateX(0); }
[data-reveal="scale"] { transform: scale(.92); }
[data-reveal="scale"].revealed { transform: scale(1); }

/* ===========================
   ヘッダー
   =========================== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    padding: 0 32px;
    transition: background .4s, box-shadow .4s, backdrop-filter .4s;
}
.site-header.scrolled {
    background: rgba(26,26,26,.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 1px 40px rgba(0,0,0,.15);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo { display:flex; align-items:center; gap:10px; }
.logo-icon { font-size:28px; }
.logo-text {
    font-family: var(--font-d);
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .03em;
}
.main-nav ul { display:flex; list-style:none; gap:28px; }
.main-nav a {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,.65);
    padding: 6px 0;
    letter-spacing: .04em;
    transition: color .3s;
    position: relative;
}
.main-nav a::after {
    content:'';
    position:absolute;
    bottom:-2px; left:0;
    width:0; height:1.5px;
    background: var(--c-primary);
    transition: width .4s var(--ease);
}
.main-nav a:hover, .main-nav a.active { color:#fff; }
.main-nav a:hover::after, .main-nav a.active::after { width:100%; }
.nav-shop { color: var(--c-amazon) !important; font-weight:700 !important; }

.mobile-menu-btn {
    display:none; background:none; border:none; cursor:pointer;
    width:28px; height:20px; position:relative; z-index:201;
}
.mobile-menu-btn span {
    display:block; width:100%; height:1.5px; background:#fff;
    position:absolute; left:0; transition:.3s var(--ease); border-radius:1px;
}
.mobile-menu-btn span:nth-child(1){top:0}
.mobile-menu-btn span:nth-child(2){top:50%;transform:translateY(-50%)}
.mobile-menu-btn span:nth-child(3){bottom:0}

/* ===========================
   ヒーロー（パララックス・シネマティック）
   =========================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--c-dark);
}
.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.hero-bg img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    filter: brightness(.5) contrast(1.05);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(26,26,26,.85) 0%, rgba(26,26,26,.2) 50%, transparent 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 80px;
    max-width: 680px;
}
.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-primary);
    letter-spacing: .2em;
    text-transform: uppercase;
    margin-bottom: 20px;
    position: relative;
    padding-left: 48px;
}
.hero-label::before {
    content:'';
    position: absolute;
    left: 0; top: 50%;
    width: 36px; height: 1px;
    background: var(--c-primary);
}
.hero h1 {
    font-family: var(--font-d);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: .02em;
}
.hero h1 em {
    font-style: normal;
    color: var(--c-primary);
}
.hero p {
    font-size: 16px;
    color: rgba(255,255,255,.6);
    line-height: 2;
    margin-bottom: 40px;
    max-width: 480px;
}
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }

.hero-scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.35);
    font-size: 10px;
    letter-spacing: .15em;
    animation: scrollHint 2s ease-in-out infinite;
}
.hero-scroll-hint span {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, rgba(255,255,255,.4), transparent);
}
@keyframes scrollHint {
    0%,100% { opacity:.4; transform:translateX(-50%) translateY(0); }
    50% { opacity:1; transform:translateX(-50%) translateY(6px); }
}

/* ===========================
   ボタン
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 36px;
    border-radius: 60px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-family: var(--font);
    letter-spacing: .04em;
    transition: all .4s var(--ease);
    position: relative;
}
.btn-primary {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 8px 30px var(--c-primary-glow);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px var(--c-primary-glow);
    background: var(--c-primary-dark);
}
.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
}
.btn-ghost:hover {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.5);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--c-primary);
    border: 1.5px solid var(--c-primary);
}
.btn-outline:hover {
    background: var(--c-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--c-primary-glow);
}
.btn-amazon {
    background: var(--c-amazon);
    color: #fff;
    font-size: 12px;
    padding: 10px 20px;
}
.btn-amazon:hover { filter:brightness(1.1); transform:translateY(-2px); }
.btn-shop {
    background: var(--c-amazon);
    color: #fff;
    font-size: 15px;
    padding: 16px 40px;
    box-shadow: 0 8px 24px rgba(255,153,0,.25);
}
.btn-shop:hover { transform:translateY(-3px); box-shadow:0 14px 40px rgba(255,153,0,.3); }

/* ===========================
   セクション共通
   =========================== */
.section { padding: 120px 0; position:relative; }
.section-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: .2em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 16px;
}
.section-title {
    font-family: var(--font-d);
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.35;
    letter-spacing: .02em;
}
.section-subtitle {
    text-align: center;
    color: var(--c-text-mid);
    font-size: 15px;
    margin-bottom: 64px;
    line-height: 1.8;
}

/* ===========================
   パララックス・ブレイクセクション
   =========================== */
.parallax-break {
    position: relative;
    height: 45vh;
    min-height: 320px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.parallax-break-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.parallax-break-bg img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}
.parallax-break-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(26,26,26,.5);
    z-index: 1;
}
.parallax-break-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 640px;
    padding: 0 24px;
}
.parallax-break-content h2 {
    font-family: var(--font-d);
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.5;
    letter-spacing: .02em;
    text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.parallax-break-content p {
    font-size: 15px;
    color: rgba(255,255,255,.75);
    line-height: 2;
    text-shadow: 0 1px 10px rgba(0,0,0,.3);
}

/* ===========================
   特徴セクション
   =========================== */
.section-features { background: var(--c-white); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.feature-item {
    padding: 44px 28px 36px;
    border-radius: 20px;
    background: var(--c-cream);
    text-align: center;
    transition: all .5s var(--ease);
    position: relative;
    overflow: hidden;
}
.feature-item::after {
    content:'';
    position:absolute;
    bottom:0; left:0; right:0;
    height: 3px;
    background: var(--c-primary);
    transform: scaleX(0);
    transition: transform .5s var(--ease);
}
.feature-item:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0,0,0,.07); }
.feature-item:hover::after { transform: scaleX(1); }
.feature-icon {
    font-size: 44px;
    display: block;
    margin-bottom: 20px;
    transition: transform .5s var(--ease-out);
}
.feature-item:hover .feature-icon { transform: scale(1.2) rotate(-8deg); }
.feature-item h3 {
    font-family: var(--font-d);
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--c-text);
    font-weight: 700;
}
.feature-item p {
    font-size: .85rem;
    color: var(--c-text-mid);
    line-height: 1.9;
}

/* ===========================
   記事カード
   =========================== */
.section-articles { background: var(--c-cream); }
.category-tabs {
    display:flex; justify-content:center; gap:8px;
    margin: 0 0 56px; flex-wrap:wrap;
}
.tab {
    padding: 9px 24px;
    border: 1.5px solid var(--c-border);
    border-radius: 50px;
    background: var(--c-white);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s var(--ease);
    font-family: var(--font);
    color: var(--c-text-mid);
    letter-spacing: .03em;
}
.tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.tab.active {
    background: var(--c-dark);
    color: #fff;
    border-color: var(--c-dark);
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.article-card {
    background: var(--c-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0,0,0,.04);
    transition: all .5s var(--ease);
}
.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 60px rgba(0,0,0,.1);
}
.article-card a { display:block; }
.card-image {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.card-image img {
    transition: transform .7s var(--ease);
}
.article-card:hover .card-image img { transform: scale(1.08); }
.card-emoji {
    font-size: 56px;
    transition: transform .5s var(--ease-out);
}
.article-card:hover .card-emoji { transform: scale(1.15) rotate(-6deg); }
.card-body { padding: 24px 28px; }
.card-category {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.cat-heartwarming { background:#FFF0E6; color:#C95F28; }
.cat-tips { background:#E8F5ED; color:#2B7A4B; }
.cat-health { background:#E8F0FF; color:#2B5AA0; }
.card-body h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 10px;
    color: var(--c-text);
    transition: color .3s;
}
.article-card:hover .card-body h3 { color: var(--c-primary); }
.card-body p {
    font-size: 13px;
    color: var(--c-text-mid);
    line-height: 1.8;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-body time { font-size:11px; color:var(--c-text-light); letter-spacing:.03em; }
.load-more { text-align:center; margin-top:56px; }

/* ===========================
   商品セクション
   =========================== */
.section-shop { background: var(--c-white); }
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}
.product-card {
    background: var(--c-cream);
    border-radius: 20px;
    overflow: hidden;
    transition: all .5s var(--ease);
    text-align: center;
}
.product-card:hover { transform:translateY(-8px); box-shadow:0 20px 50px rgba(0,0,0,.08); }
.product-image {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-emoji {
    font-size: 48px;
    transition: transform .5s var(--ease-out);
}
.product-card:hover .product-emoji { transform:scale(1.2) rotate(-6deg); }
.product-body { padding: 20px; }
.product-badge {
    display: inline-block;
    background: var(--c-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 50px;
    margin-bottom: 10px;
    letter-spacing: .05em;
}
.product-body h3 { font-size:14px; font-weight:700; margin-bottom:8px; }
.product-body p { font-size:12px; color:var(--c-text-mid); margin-bottom:14px; line-height:1.7; }

.shop-cta { text-align:center; }
.shop-cta-inner {
    background: var(--c-dark);
    color: #fff;
    border-radius: 24px;
    padding: 56px;
    display: inline-block;
    max-width: 640px;
    position: relative;
    overflow: hidden;
}
.shop-cta-inner::before {
    content:'';
    position: absolute;
    top: -50%; right: -30%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--c-primary-glow), transparent 70%);
    pointer-events: none;
}
.shop-cta-inner h3 { font-family:var(--font-d); font-size:22px; margin-bottom:14px; position:relative; }
.shop-cta-inner p { font-size:14px; color:rgba(255,255,255,.6); margin-bottom:28px; line-height:1.8; position:relative; }

/* ===========================
   豆知識
   =========================== */
.section-trivia { background: var(--c-cream); }
.trivia-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.trivia-card {
    background: var(--c-white);
    border-radius: 20px;
    padding: 28px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: all .4s var(--ease);
    border: 1px solid transparent;
}
.trivia-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.06);
    border-color: var(--c-border);
}
.trivia-emoji {
    font-size: 32px;
    flex-shrink: 0;
    transition: transform .4s var(--ease-out);
}
.trivia-card:hover .trivia-emoji { transform:scale(1.15) rotate(-6deg); }
.trivia-card p { font-size:.88rem; line-height:1.9; color:var(--c-text); margin:0; }

/* ===========================
   ニュースレター
   =========================== */
.section-newsletter { padding:80px 0; background: var(--c-white); }
.newsletter-inner {
    background: var(--c-dark);
    border-radius: 28px;
    padding: 64px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.newsletter-inner::before {
    content:'';
    position:absolute;
    top:-40%; left:-20%;
    width:500px; height:500px;
    background: radial-gradient(circle, rgba(232,118,58,.15), transparent 70%);
    pointer-events:none;
}
.newsletter-inner h2 {
    font-family:var(--font-d);
    font-size:26px;
    margin-bottom:12px;
    position:relative;
}
.newsletter-inner p {
    font-size:14px;
    color:rgba(255,255,255,.55);
    margin-bottom:32px;
    position:relative;
}
.newsletter-form {
    display:flex;
    justify-content:center;
    gap:10px;
    max-width:480px;
    margin:0 auto;
    position:relative;
}
.newsletter-form input {
    flex:1;
    padding:14px 24px;
    border:1px solid rgba(255,255,255,.15);
    border-radius:50px;
    font-size:14px;
    font-family:var(--font);
    outline:none;
    background: rgba(255,255,255,.06);
    color:#fff;
    transition: border-color .3s;
}
.newsletter-form input::placeholder { color:rgba(255,255,255,.3); }
.newsletter-form input:focus { border-color: var(--c-primary); }

/* ===========================
   フッター
   =========================== */
.site-footer {
    background: var(--c-dark);
    color: rgba(255,255,255,.5);
    padding: 72px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-about p { font-size:13px; line-height:1.9; margin-top:16px; }
.footer-about .logo-text { color:#fff; }
.footer-links h4 { font-size:12px; color:#fff; margin-bottom:16px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.footer-links ul { list-style:none; }
.footer-links li { margin-bottom:10px; }
.footer-links a { font-size:13px; color:rgba(255,255,255,.45); transition:color .3s; }
.footer-links a:hover { color:var(--c-primary); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding-top: 24px;
    text-align: center;
    font-size: 11px;
    color: rgba(255,255,255,.25);
    letter-spacing: .04em;
}

/* ===========================
   レスポンシブ
   =========================== */
@media (max-width:960px) {
    .hero h1 { font-size:42px; }
    .section-title { font-size:32px; }
    .articles-grid { grid-template-columns:repeat(2,1fr); }
    .products-grid { grid-template-columns:repeat(2,1fr); }
    .features-grid { grid-template-columns:repeat(2,1fr); }
    .trivia-grid { grid-template-columns:repeat(2,1fr); }
    .footer-grid { grid-template-columns:1fr 1fr; }
    .parallax-break { height:40vh; }
    .parallax-break-content h2 { font-size:28px; }
}

@media (max-width:768px) {
    .container { padding:0 20px; }
    .site-header { padding:0 20px; }
    .site-header.scrolled .logo-text { color:#fff; }
    .main-nav { display:none; }
    .main-nav.open {
        display:block;
        position:fixed;
        inset:0;
        background:rgba(26,26,26,.97);
        backdrop-filter:blur(20px);
        padding:100px 32px 32px;
        z-index:199;
    }
    .main-nav.open ul { flex-direction:column; gap:24px; }
    .main-nav.open a { font-size:20px; color:rgba(255,255,255,.7); }
    .mobile-menu-btn { display:block; }
    .header-inner { height:60px; }
    .logo-text { font-size:17px; }

    .hero { height:100vh; min-height:500px; }
    .hero h1 { font-size:32px; line-height:1.4; }
    .hero p { font-size:14px; }
    .hero-content { padding-bottom:100px; }
    .hero-label { font-size:10px; }
    .hero-scroll-hint { display:none; }
    .section { padding:80px 0; }
    .section-title { font-size:26px; }
    .section-subtitle { font-size:13px; margin-bottom:40px; }
    .section-label { font-size:10px; }

    .articles-grid { grid-template-columns:1fr; gap:24px; }
    .card-image { height:200px; }
    .products-grid { grid-template-columns:1fr 1fr; gap:14px; }
    .product-body h3 { font-size:13px; }
    .features-grid { grid-template-columns:1fr 1fr; gap:16px; }
    .feature-item { padding:28px 16px 24px; }
    .trivia-grid { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; gap:28px; }

    .newsletter-inner { padding:40px 24px; border-radius:20px; }
    .newsletter-form { flex-direction:column; }
    .shop-cta-inner { padding:36px 24px; max-width:100%; border-radius:20px; }

    .category-tabs { gap:6px; margin-bottom:36px; }
    .tab { padding:7px 16px; font-size:11px; }

    .parallax-break { height:280px; min-height:auto; }
    .parallax-break-content h2 { font-size:22px; }
    .parallax-break-content p { font-size:13px; }
}

@media (max-width:400px) {
    .hero h1 { font-size:26px; }
    .products-grid { grid-template-columns:1fr; }
    .features-grid { grid-template-columns:1fr; }
}