:root{--color-primary: #2d6a4f;--color-primary-dark: #1b4332;--color-primary-light: #40916c;--color-primary-soft: #e8f5e9;--color-wood: #8c6239;--color-wood-light: #f5ebe0;--color-wood-dark: #5e3a18;--color-accent: #e07a5f;--color-accent-hover: #cf6245;--bg-main: #fbfaf8;--bg-card: #ffffff;--bg-muted: #f2efe9;--bg-dark: #1f2937;--text-main: #2d3748;--text-muted: #64748b;--text-light: #94a3b8;--text-inverse: #ffffff;--border-light: #e5e0d8;--border-card: #ede8e1;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(45, 55, 72, .05);--shadow-md: 0 4px 12px rgba(45, 55, 72, .08);--shadow-lg: 0 10px 25px rgba(45, 55, 72, .1);--shadow-hover: 0 8px 20px rgba(45, 106, 79, .15);--font-family-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-heading: "M PLUS Rounded 1c", "Noto Sans JP", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family-base);background-color:var(--bg-main);color:var(--text-main);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,.brand-font{font-family:var(--font-family-heading);font-weight:700;letter-spacing:-.01em}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;font-weight:700;padding:13px 24px;border-radius:var(--radius-full);box-shadow:0 4px 14px #2d6a4f4d;transition:all .2s ease;font-size:15px}.btn-primary:active{transform:scale(.98)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--color-primary);border:2px solid var(--color-primary);font-weight:700;padding:11px 22px;border-radius:var(--radius-full);transition:all .2s ease;font-size:15px}.btn-secondary:active{background:var(--color-primary-soft);transform:scale(.98)}.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--color-accent) 0%,#eb8a70 100%);color:#fff;font-weight:700;padding:13px 24px;border-radius:var(--radius-full);box-shadow:0 4px 14px #e07a5f59;transition:all .2s ease;font-size:15px}.btn-accent:active{transform:scale(.98)}.section-container{max-width:1120px;margin:0 auto;padding:70px 20px}.section-header{text-align:center;margin-bottom:40px}.section-tag{display:inline-block;background:var(--color-primary-soft);color:var(--color-primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--radius-full);margin-bottom:12px;letter-spacing:.05em}.section-title{font-size:clamp(22px,3.5vw,32px);color:var(--text-main);margin-bottom:14px;line-height:1.4}.section-desc{font-size:clamp(14px,2vw,16px);color:var(--text-muted);max-width:720px;margin:0 auto}.nature-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}@media (max-width: 768px){.section-container{padding:40px 16px}.nature-card{padding:20px 16px}.btn-primary,.btn-secondary,.btn-accent{width:100%;padding:13px 18px;font-size:14.5px}}