: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%}html.is-resizing *{transition:none!important;animation:none!important}html{scroll-padding-top:100px}html:not(.hydrated) *,html:not(.hydrated) :after,html:not(.hydrated) :before{transition:none!important}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}.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:10px}#footer .footer-links a{color:#ddd;text-decoration:none}#footer .footer-links a:hover{color:#fff;text-decoration:underline}.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{position:sticky;top:0;width:100%;z-index:999;border-bottom:1px solid #f2f2f2;font-size:medium;background-color:#fff}#top-head .inner{max-width:1200px;margin:0 auto}#mobile-head{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;height:70px;padding:0 20px;background-color:#fff}#head-logo img{height:50px;width:auto}#nav-toggle{cursor:pointer}#nav-toggle div{text-align:center}#nav-toggle p{font-size:1.1rem;margin:0 0 5px;color:#444}#nav-toggle span{display:block;width:28px;height:3px;background-color:#444;margin:5px 0;transition:transform .3s,opacity .3s}#top-head.open #nav-toggle span:first-of-type{transform:translateY(8px) rotate(315deg)}#top-head.open #nav-toggle span:nth-of-type(2){opacity:0}#top-head.open #nav-toggle span:nth-of-type(3){transform:translateY(-8px) rotate(-315deg)}@media (min-width:768px){#nav-toggle{display:none}}#global-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center}#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}@media (min-width:768px){#top-head .inner{display:flex;flex-wrap:wrap;align-items:center;column-gap:4px;row-gap:2px;padding:4px 12px}#mobile-head{height:auto;padding:0}#global-nav,#global-nav ul,.controls{display:contents}#global-nav a{padding:10px 14px}}.nav-search form{display:flex;align-items:center;gap:4px;height:100%;padding:10px 12px}.nav-search .search-input{width:140px;padding:6px 10px;border:1px solid #ccc;border-radius:4px;font-size:1.2rem}.nav-search .search-submit{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid #ccc;border-radius:4px;background-color:#fff;color:#444;cursor:pointer;transition:background-color .3s,color .3s,border-color .3s}.nav-search .search-submit:hover{background-color:var(--light-blue);border-color:var(--light-blue);color:#fff}.controls{display:flex;justify-content:center;align-items:center;gap:20px;padding:10px;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}@media (max-width:767px){html.menu-open,html.menu-open body{overflow:hidden}#global-nav{overscroll-behavior:contain;position:fixed;inset:0;height:100vh;height:100dvh;overflow-y:auto;background-color:rgba(34,34,34,.96);padding-top:70px;transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform .35s ease-in-out,opacity .35s ease-in-out,visibility 0s linear .35s;z-index:1}#global-nav.open{transform:translateY(0);opacity:1;visibility:visible;transition:transform .35s ease-in-out,opacity .35s ease-in-out}#global-nav ul{display:block}#global-nav li{border-bottom:1px solid rgba(255,255,255,.15)}#global-nav a{color:#fff;padding:16px 0}#global-nav a:hover{background-color:rgba(255,255,255,.1);color:#fff}#global-nav .second-line{display:none}.nav-search form{justify-content:center;padding:16px 20px}.nav-search .search-input{flex:1;max-width:260px;background-color:rgba(255,255,255,.95)}.controls{padding:16px 0 20px}.font-size-control span{color:#fff}}[data-theme=dark] #top-head{background-color:#1a1a1a;border-bottom-color:#333}[data-theme=dark] #mobile-head{background-color:#1a1a1a}[data-theme=dark] #nav-toggle p{color:#e0e0e0}[data-theme=dark] #nav-toggle span{background-color:#e0e0e0}[data-theme=dark] #global-nav a{color:#e0e0e0}[data-theme=dark] .font-size-control button{background-color:#333;border-color:#444;color:#e0e0e0}[data-theme=dark] .font-size-control button:hover{background-color:var(--light-blue);border-color:var(--light-blue);color:#fff}[data-theme=dark] .font-size-control button.active,[data-theme=dark] .font-size-control button.active:hover{background-color:var(--link);border-color:var(--link);color:#111;font-weight:700}[data-theme=dark] .font-size-control span{color:#aaa}@media (max-width:767px){[data-theme=dark] .controls{background-color:transparent}}