*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary-color: #213767}html{scroll-behavior:smooth}body{font-family:\30e1\30a4\30ea\30aa,Meiryo,\30d2\30e9\30ae\30ce\89d2\30b4  ProN,Hiragino Kaku Gothic ProN,Arial,Helvetica,sans-serif;color:#2c3e50;background-color:#f5f6f8;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.header{background:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:100}.header-inner{--height: 72px;--header-inner-padding-y: 10px;display:grid;grid-template-columns:auto 1fr auto;max-width:1200px;margin:0 auto;padding:var(--header-inner-padding-y) 20px;height:var(--height)}.logo{height:calc(var(--height) - var(--header-inner-padding-y) * 2)}.logo-icon{height:100%}.telephone-number-container{display:flex;flex-direction:column;align-self:flex-end;font-size:20px;margin-left:70px}.telephone-number{font-weight:700;margin-bottom:-8px}.reception-hours{font-size:13px;margin-bottom:-4px}.header-nav-container{align-self:flex-start}.header-nav{display:flex;gap:28px;list-style:none}.header-nav a{font-size:14px;color:#2c3e50;padding:8px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}.header-nav a:hover{color:var(--primary-color);border-bottom-color:var(--primary-color)}.header-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}.header-menu-btn span{display:block;width:24px;height:2px;background:#2c3e50;margin:5px 0;transition:.3s}.footer{background:var(--primary-color);color:#bdc3c7;padding:36px 20px;text-align:center;margin-top:auto}.footer-inner{max-width:1200px;margin:0 auto}.footer-nav{display:flex;justify-content:center;gap:28px;list-style:none;margin-bottom:20px;flex-wrap:wrap}.footer-nav a{font-size:13px;color:#dfdfdf;transition:color .2s}.footer-nav a:hover{color:#fff}.footer-copy{font-size:12px;color:#7f8c8d}@media (max-width: 768px){.telephone-number-container{display:none}.header-nav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:0;box-shadow:0 4px 12px #0000001a}.header-nav.open{display:flex}.header-nav a{padding:12px 0;border-bottom:1px solid #ecf0f1}.header-menu-btn{display:block}}@media (max-width: 480px){.header-inner{--height: 60px}}