:root{--primary-color:#d32f2f;--secondary-color:#e8b04e;--accent-color:#2c5f7c;--text-color:#333;--text-light:#666;--background-color:#fff;--background-light:#f5f5f5;--border-color:#ddd;--border-light:#efefef;--font-primary:-apple-system,BlinkMacSystemFont,'Segoe UI','Hiragino Sans','Helvetica Neue',Arial,sans-serif,'Noto Sans JP','Hiragino Kaku Gothic ProN',Meiryo;--font-logo:'HGP行書体','HG行書体','Yu Mincho','Hiragino Mincho ProN',serif;--site-max-width:1200px;--site-padding:20px;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);font-size:16px;line-height:1.6;color:var(--text-color);background-color:var(--background-color)}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--secondary-color)}.admin-bar{margin-top:32px}@media screen and (max-width:782px){.admin-bar{margin-top:46px}}.container{max-width:var(--site-max-width);margin:0 auto;padding:0 var(--site-padding)}.wrapper{display:flex;min-height:100vh;flex-direction:column}.site-header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000}.header-content{padding:var(--spacing-md) 0}.header-main{display:flex;align-items:center;justify-content:flex-start;gap:3rem}.site-branding{display:flex;align-items:center;gap:1rem}.site-title{font-size:1.8rem;font-weight:700;margin:0}.site-title a{color:#000;text-decoration:none}.site-title .site-title-line2{font-family:var(--font-logo)}.saikai-section-title{text-align:center;color:#333;margin:0 0 3rem;font-size:clamp(1.25rem,6.2vw,2.5rem);line-height:1.2;display:block;width:100%;max-width:100%;white-space:nowrap}.feature-card p{text-wrap:pretty}@media (max-width:768px){.home-page .feature-card p{text-align:center}}.site-description{font-size:.9rem;color:var(--text-light);margin:0}.custom-logo{max-width:100%;height:auto}.main-navigation{display:flex;align-items:center;flex:1}.main-navigation .nav-menu{display:flex;list-style:none;gap:2rem;margin:0}.main-navigation li{position:relative}.main-navigation a{color:var(--text-color);font-weight:500;padding:var(--spacing-sm) var(--spacing-md);display:block;transition:all .3s ease}.main-navigation a:hover,.main-navigation li.current-menu-item a{color:var(--primary-color);background-color:var(--background-light)}.main-navigation ul ul{position:absolute;top:100%;left:0;background:#fff;flex-direction:column;gap:0;box-shadow:0 4px 6px rgba(0,0,0,.1);min-width:200px;display:none;z-index:999}.main-navigation li:hover>ul{display:flex}.main-navigation ul ul li a{padding:var(--spacing-md);border-bottom:1px solid var(--border-light)}.main-navigation ul ul li:last-child a{border-bottom:none}.menu-toggle{display:none;background:0 0;border:none;cursor:pointer;font-size:1.5rem;color:var(--primary-color)}@media (max-width:768px){.menu-toggle{display:block}.main-navigation{flex:none}.main-navigation .nav-menu{display:none;flex-direction:column;gap:1rem;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 4px 6px rgba(0,0,0,.1);padding:1rem;width:100%}.main-navigation .nav-menu.active{display:flex}.main-navigation ul ul{position:static;box-shadow:none;display:none;background:var(--background-light)}.main-navigation li:hover>ul{display:none}.main-navigation li.menu-item-has-children>a:after{content:' ▸'}}.site-content{padding:var(--spacing-2xl) 0;flex:1}.content-area{max-width:var(--site-max-width);margin:0 auto;padding:0 var(--site-padding)}.site-footer{background-color:#f5f5f5;padding:var(--spacing-2xl) 0;margin-top:var(--spacing-2xl);text-align:center;border-top:1px solid var(--border-color)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.footer-widget{text-align:left}.footer-widget h3{font-size:1rem;margin-bottom:var(--spacing-md);color:var(--primary-color)}.footer-widget ul{list-style:none}.footer-widget li{margin-bottom:var(--spacing-sm)}.footer-widget a{color:var(--text-light)}.footer-widget a:hover{color:var(--primary-color)}.footer-bottom{text-align:center;padding-top:var(--spacing-xl);border-top:1px solid var(--border-light);font-size:.9rem;color:var(--text-light)}@media (max-width:768px){:root{--site-padding:15px}.header-main{gap:1rem}.site-title{font-size:1.4rem}.site-content{padding:var(--spacing-xl) 0}}@media (max-width:480px){:root{--site-padding:10px}.site-title{font-size:1.2rem}}