:root {
    --bg-color: #fdfbf7;      /* アイボリー */
    --text-color: #4a3a30;    /* ダークブラウン */
    --accent-color: #d4a373;  /* ベージュ・オレンジ */
    --sub-text: #8c7b70;
    --transition-slow: 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Zen Old Mincho', serif;
    line-height: 1.8;
}

/* 共通アニメーション */
.reveal { opacity: 0; transform: translateY(30px); transition: var(--transition-slow); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Header */
header {
    position: fixed;
    top: 0; width: 100%; padding: 20px 50px;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 1000; background: rgba(253, 251, 247, 0.85);
    backdrop-filter: blur(10px);
}

.logo { font-weight: 700; letter-spacing: 0.2em; font-size: 1.2rem; }
nav ul { display: flex; list-style: none; gap: 30px; }
nav a { text-decoration: none; color: var(--text-color); font-size: 0.85rem; letter-spacing: 0.1em; }

/* Hero Section */
.hero {
    height: 100vh;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* 陽だまりとお茶のイメージ */
    background-image: url('https://images.unsplash.com/photo-1516738901171-8eb4fc13bd20?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    z-index: -1;
    filter: brightness(0.9);
}

.hero-content {
    background: rgba(253, 251, 247, 0.75);
    padding: 60px 80px;
    text-align: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.3);
}

.hero h1 { font-size: 2.2rem; font-weight: 400; letter-spacing: 0.3em; margin-bottom: 30px; }
.manifesto { font-size: 1.1rem; color: var(--sub-text); line-height: 2.5; }

/* Section Base */
section { padding: 120px 10%; max-width: 1400px; margin: 0 auto; position: relative; }
.section-label { display: block; color: var(--accent-color); font-size: 0.75rem; letter-spacing: 0.4em; margin-bottom: 50px; text-transform: uppercase; }

/* Info Grid */
.info-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.info-details dt { font-weight: 700; color: var(--accent-color); margin-top: 1.5rem; }
.info-details dd { border-bottom: 1px solid #e0ddd9; padding-bottom: 5px; margin-bottom: 10px; }
.info-image img { width: 100%; height: 450px; object-fit: cover; box-shadow: 20px 20px 0px #f4efea; }

/* News */
.news-list { list-style: none; }
.news-item { padding: 25px 0; border-bottom: 1px solid #e0ddd9; display: flex; align-items: center; gap: 30px; }
.news-item .date { font-size: 0.8rem; color: var(--sub-text); width: 100px; }
.news-item .category { font-size: 0.7rem; border: 1px solid var(--accent-color); padding: 2px 8px; color: var(--accent-color); }
.news-item a { text-decoration: none; color: var(--text-color); flex: 1; transition: 0.3s; }
.news-item a:hover { color: var(--accent-color); }

/* About */
#about { background: #f7f3ee; margin: 100px 0; padding: 150px 10%; text-align: center; }
.about-text p { max-width: 700px; margin: 0 auto 30px; font-size: 1.1rem; }
.about-bg-image {
    position: absolute; top: 100; left: 100; width: 100%; height: 100%;
    background-image: url('https://images.unsplash.com/photo-1544967919-053f8b0c89b0?q=80&w=1500&auto=format&fit=crop');
    background-size: cover; opacity: 0.05; z-index: 0;
}

/* Life Log Grid */
.log-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 20px; }
.log-card { cursor: pointer; }
.log-img { width: 100%; height: 280px; overflow: hidden; margin-bottom: 20px; }
.log-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.6s ease; }
.log-card:hover .log-img img { transform: scale(1.08); }
.log-card h4 { font-weight: 400; font-size: 1rem; margin-top: 10px; }

/* CTA Section */
.service-cta {
    height: 500px; display: flex; align-items: center; justify-content: center;
    background-image: url('https://images.unsplash.com/photo-1505691938895-1758d7eaa511?q=80&w=1500&auto=format&fit=crop');
    background-size: cover; background-position: center; position: relative;
}
.cta-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(74, 58, 48, 0.5); }
.cta-content { position: relative; z-index: 1; color: white; text-align: center; }
.cta-content h2 { font-size: 2rem; font-weight: 400; letter-spacing: 0.2em; margin-bottom: 40px; }

/* Buttons */
.btn { display: inline-block; padding: 15px 35px; text-decoration: none; transition: 0.4s; font-size: 0.9rem; }
.btn-filled { background: var(--accent-color); color: white; }
.btn-filled:hover { background: var(--text-color); }
.btn-outline { border: 1px solid var(--text-color); color: var(--text-color); }
.btn-outline:hover { background: var(--text-color); color: white; }

/* Footer */
footer { padding: 100px 20px; text-align: center; border-top: 1px solid #e0ddd9; }
.footer-catch { font-style: italic; font-size: 1.6rem; color: var(--accent-color); margin-bottom: 20px; }

@media (max-width: 768px) {
    .info-grid, .log-grid { grid-template-columns: 1fr; }
    header { padding: 20px; }
    .hero h1 { font-size: 1.6rem; }
}