:root{--content-width:1080px;--side-padding:16px;--header-height:51px;--amairo:#0082cc;--sorairo:#a0d8ef}body{margin:0 auto;padding:0}.header{width:100%;height:var(--header-height);border-bottom:1px solid var(--sorairo);z-index:1000;background-color:#fff;justify-content:center;align-items:stretch;display:flex;position:fixed;top:0;left:0}.nav{width:100%;max-width:var(--content-width);justify-content:center;align-items:stretch;gap:16px;display:flex}.link-box{color:#000;background-color:#fff;justify-content:center;align-items:center;padding:8px 24px;font-size:1.5rem;line-height:1.1;text-decoration:none;transition:background-color .1s,color .1s;display:flex}.link-box:hover{background-color:var(--amairo);color:#fff}.page-shell{max-width:var(--content-width);padding:var(--header-height) 16px 0;margin:0 auto}footer{background-color:var(--sorairo);margin-top:32px;padding:0;display:flex}.footer-inner{width:var(--content-width);border-top:1px solid var(--sorairo);gap:16px;margin:0 auto}.footer-links{align-items:flex-end;gap:16px;margin:10px auto;display:flex}h1{margin-bottom:20px;font-size:2rem}h2{color:#000;border-bottom:1px solid var(--sorairo);align-items:center;height:64px;margin-bottom:20px;font-size:2rem;display:flex}p{color:#000;margin-bottom:10px;font-size:1.2rem}.game-item{gap:16px;text-decoration:none;transition:background-color .1s,color .1s;display:flex}.game-item:hover{background-color:var(--sorairo);color:#fff}.game-icon{width:256px}game-title{color:#000;font-size:2rem;font-weight:700;text-decoration:none}.half-div{gap:16px;display:flex}.half-item{width:50%}