:root{--gray:#F7F7F7;--link:#337ab7;--darkgray:#444444;--pale-white:#fefefe;--light-blue:#72c1d7;--background:#fefefe;--foreground:#444444;--subject-color:#cc3366;--subject-color-rgb:204,51,102}[data-theme=dark]{--gray:#2a2a2a;--link:#5dade2;--darkgray:#e0e0e0;--pale-white:#1a1a1a;--light-blue:#4a90a4;--background:#1a1a1a;--foreground:#e0e0e0}html{width:100%;font-size:62.5%}body{font-size:1.6rem;line-height:1.6;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;color:var(--foreground);background-color:var(--background);margin:0;padding:0;transition:background-color .3s ease,color .3s ease}body.s-size-font{font-size:1.2rem}body.m-size-font{font-size:1.6rem}body.l-size-font{font-size:2rem}.bg-gray{background-color:var(--gray)}.bg-pale-blue{background-color:#e6f7ff}.bg-white{background-color:#ffffff}.w-100{width:100%}.w-max700{max-width:700px}.py-30{padding-top:30px;padding-bottom:30px}.py-40{padding-top:40px;padding-bottom:40px}.mx-auto{margin-left:auto;margin-right:auto}#footer{background-color:#302e2e;color:#ffffff;text-align:center;padding:20px;font-size:1.2rem;margin-top:40px}.theme-switch{position:relative;display:inline-block;width:62px;height:34px;cursor:pointer}.theme-switch-input{opacity:0;width:0;height:0}.theme-switch-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#aab4be;transition:.4s;border-radius:34px;padding:7px}.theme-switch-slider:before{position:absolute;content:"";height:32px;width:32px;left:1px;bottom:1px;background-color:#001e3c;transition:.3s;border-radius:50%}.theme-switch-input:checked+.theme-switch-slider{background-color:#aab4be}.theme-switch-input:checked+.theme-switch-slider:before{transform:translateX(28px);background-color:#001e3c}.theme-switch-icon{position:absolute;top:50%;transform:translateY(-50%);font-size:20px;pointer-events:none;transition:opacity .3s;display:flex;align-items:center;justify-content:center}.theme-switch-icon-light{left:8px;opacity:1}.theme-switch-icon-dark{right:8px;opacity:0}.theme-switch-input:checked~.theme-switch-slider .theme-switch-icon-light{opacity:0}.theme-switch-input:checked~.theme-switch-slider .theme-switch-icon-dark{opacity:1}[data-theme=dark] .theme-switch-slider{background-color:#8796A5}[data-theme=dark] .theme-switch-slider:before{background-color:#003892}[data-theme=dark] .theme-switch-input:checked+.theme-switch-slider{background-color:#8796A5}#top-head{width:100%;z-index:999;border-bottom:1px solid #f2f2f2;font-size:medium}#top-head.fixed{position:fixed;top:0;left:0;width:100%;background-color:#fff;background-color:rgba(255,255,255,1);box-shadow:0 2px 4px rgba(0,0,0,.1);transition:top .65s ease-in}#top-head .inner{max-width:1200px;margin:0 auto}#mobile-head{display:flex;justify-content:space-between;align-items:center;padding:10px 20px}#head-logo img{height:50px;width:auto}#nav-toggle{cursor:pointer}#nav-toggle div{text-align:center}#nav-toggle p{font-size:12px;margin:0 0 5px;color:#444}#nav-toggle span{display:block;width:30px;height:3px;background-color:#444;margin:4px 0;transition:.3s}@media (min-width:768px){#nav-toggle{display:none}}#global-nav{display:none}#global-nav.open{display:block}@media (min-width:768px){#global-nav{display:block!important}#mobile-head{display:none}}#global-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;background-color:#f8f8f8}#global-nav li{margin:0}#global-nav a{display:block;padding:15px 20px;text-decoration:none;color:#444;text-align:center;transition:background-color .3s}#global-nav a:hover{background-color:var(--light-blue);color:#fff}#global-nav .first-line{font-size:1.4rem;font-weight:700}#global-nav .second-line{font-size:1rem;margin-top:3px}#head-logo img.smaller{height:35px;width:auto;transition:height .3s ease}.controls{display:flex;justify-content:center;gap:20px;padding:10px;background-color:#f8f8f8;flex-wrap:wrap}.font-size-control,.theme-control{display:flex;align-items:center;gap:8px}.theme-control{margin-left:10px}.font-size-control span{font-size:1.2rem;color:#666}.font-size-control button{padding:5px 12px;border:1px solid #ddd;background-color:#fff;cursor:pointer;border-radius:4px;font-size:1.2rem;transition:all .3s}.font-size-control button.active,.font-size-control button:hover{background-color:var(--light-blue);color:#fff;border-color:var(--light-blue)}.font-size-control button.active{font-weight:700}[data-theme=dark] #top-head{background-color:#1a1a1a;border-bottom-color:#333}[data-theme=dark] #top-head.fixed{background-color:rgba(26,26,26,.95)}[data-theme=dark] #mobile-head{background-color:#1a1a1a}[data-theme=dark] .controls{background-color:#2a2a2a}[data-theme=dark] .font-size-control button{background-color:#333;border-color:#444;color:#e0e0e0}[data-theme=dark] .font-size-control span{color:#aaa}[data-theme=dark] #global-nav{background-color:#1a1a1a}[data-theme=dark] #global-nav ul{background-color:#2a2a2a}[data-theme=dark] #global-nav a{color:#e0e0e0}[data-theme=dark] #global-nav a:hover{background-color:#4a90a4}[data-theme=dark] #nav-toggle p,[data-theme=dark] #nav-toggle span{color:#e0e0e0;background-color:#e0e0e0}