:root{--color-primary: #6dc1cc;--color-primary-light: #e8f6f8;--color-primary-dark: #5ab0bb;--color-text: #333;--color-text-light: #666;--color-bg: #e8f6f8;--color-line: #06b906;--color-border: #6dc1cc;--max-width: 764px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Hiragino Kaku Gothic ProN,ヒラギノ角ゴ ProN W3,meiryo,メイリオ,ms pgothic,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.8;font-size:16px;-webkit-text-size-adjust:100%}.wavy-line{display:block;width:100%;height:8px;background:repeating-linear-gradient(90deg,transparent,transparent 2px,var(--color-primary) 2px,var(--color-primary) 4px);-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 8'%3E%3Cpath d='M0 4 Q5 0 10 4 Q15 8 20 4' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 8'%3E%3Cpath d='M0 4 Q5 0 10 4 Q15 8 20 4' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E");mask-size:20px 8px;-webkit-mask-size:20px 8px}header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:100}.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 15px}.logo{text-decoration:none}.logo-img{height:40px;width:auto}.hamburger{width:44px;height:44px;background:var(--color-primary);border:none;border-radius:4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:10px}.hamburger span{display:block;width:22px;height:2px;background:#fff;transition:transform .3s,opacity .3s}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.nav-menu{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--color-primary)}.nav-menu.open{max-height:400px}.nav-menu ul{list-style:none;max-width:var(--max-width);margin:0 auto}.nav-menu li{border-bottom:1px solid rgba(255,255,255,.2)}.nav-menu a{display:block;padding:14px 20px;color:#fff;text-decoration:none;font-size:14px}.nav-menu a:hover{background:#ffffff1a}main{max-width:var(--max-width);margin:0 auto;padding:0}footer{background:var(--color-primary);color:#fff;padding:30px 20px 20px;text-align:center}.footer-logo{margin-bottom:20px}.footer-logo img{height:50px;width:auto}.footer-links{display:flex;justify-content:center;gap:40px;margin-bottom:20px}.footer-col{display:flex;flex-direction:column;gap:10px;text-align:left}footer a{color:#fff;text-decoration:none;font-size:13px}footer a:hover{opacity:.8}.copyright{font-size:12px;opacity:.8;margin-top:10px}img{max-width:100%;height:auto}a{color:var(--color-primary-dark);text-decoration:none}a:hover{text-decoration:underline}.line-cta{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--color-line);color:#fff;padding:16px 30px;border-radius:50px;text-decoration:none;font-weight:700;font-size:18px;max-width:340px;margin:20px auto;transition:opacity .2s}.line-cta:hover{opacity:.9;text-decoration:none}.line-cta img{width:32px;height:32px}.section-title{text-align:center;font-size:22px;font-weight:700;margin-bottom:5px}.section-decoration{text-align:center;margin-bottom:15px}.section-decoration img{width:60px}.section-desc{text-align:center;font-size:14px;color:var(--color-text-light);margin-bottom:20px;padding:0 15px}.card-list{list-style:none;padding:0 15px}.card-item{display:flex;align-items:flex-start;gap:15px;padding:18px;margin-bottom:12px;background:#fff;border:1px solid #e0e0e0;border-radius:8px;text-decoration:none;color:var(--color-text);transition:box-shadow .2s}.card-item:hover{box-shadow:0 2px 8px #00000014;text-decoration:none}.card-thumb{width:80px;height:80px;border-radius:4px;object-fit:cover;flex-shrink:0}.card-title{font-size:14px;line-height:1.6;font-weight:400}.more-btn{display:block;max-width:340px;margin:20px auto 40px;padding:14px;text-align:center;border:2px solid var(--color-primary);border-radius:50px;color:var(--color-primary);font-size:15px;text-decoration:none;letter-spacing:.1em}.more-btn:hover{background:var(--color-primary-light);text-decoration:none}