:root{font-family:system-ui,'Noto Sans JP',sans-serif;color:#192638;background:#f3f6fa}*{box-sizing:border-box}body{margin:0}header{background:#142743;color:white;padding:12px max(16px,calc((100vw - 1100px)/2));display:flex;align-items:center;gap:20px;flex-wrap:wrap}header a{color:white;text-decoration:none}header nav{display:flex;gap:12px;flex-wrap:wrap;flex:1;font-size:14px}.brand{font-weight:750;font-size:19px}main{max-width:1100px;margin:24px auto;padding:0 16px}h1{font-size:26px}.heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.panel,.card{background:white;border:1px solid #dae2ec;border-radius:12px;padding:18px;margin-bottom:14px}.small{max-width:400px;margin:65px auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px}.wide{grid-column:1/-1}label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:600}input,select,textarea{width:100%;padding:10px;border:1px solid #bac6d6;border-radius:7px;font:inherit;background:white}textarea{min-height:75px}button,.button{display:inline-block;border:1px solid #a9b9c9;background:white;color:#183253;border-radius:8px;padding:10px 15px;font:inherit;cursor:pointer;text-decoration:none;margin:5px 5px 5px 0}.primary{background:#2269be;color:white;border-color:#2269be}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.card{display:flex;flex-direction:column;gap:9px;text-decoration:none;color:inherit;margin:0}.card strong{font-size:18px}.card small{color:#607084}.tag{font-size:12px;color:#2166b2}.line{display:grid;grid-template-columns:minmax(180px,3fr) repeat(4,minmax(75px,1fr)) minmax(110px,2fr) auto;gap:8px;background:white;border:1px solid #dae2ec;border-radius:10px;padding:12px;margin-bottom:10px}.line input{min-width:0}.notice{background:#fff4cb;padding:12px;border-radius:8px;margin-bottom:10px}@media(max-width:800px){header{align-items:flex-start}header nav{order:3;width:100%;overflow:auto}.line{grid-template-columns:repeat(2,minmax(0,1fr))}.line label:first-child,.line label:nth-child(6){grid-column:1/-1}.line button{grid-column:1/-1}.heading h1{font-size:21px}}
.secret{overflow-wrap:anywhere;font-family:monospace;font-size:19px;letter-spacing:2px;background:#e9f1ff;padding:12px;border-radius:8px}
.menu-toggle{display:none}
.site-header nav{align-items:center}
.site-header nav form{margin-left:auto}
.site-header nav form button{margin:0;color:#fff;background:transparent;border-color:#889bb4}
@media(max-width:800px){
  .site-header{display:flex;align-items:center;justify-content:space-between;gap:8px}
  .site-header .brand{font-size:17px}
  .site-header .menu-toggle{display:inline-flex;align-items:center;gap:6px;color:white;background:#26486f;border-color:#7494b7;margin:0;padding:8px 12px}
  .site-header nav{display:none;order:3;width:100%;flex:0 0 100%;overflow:visible;max-height:calc(100vh - 95px);overflow-y:auto;padding:7px 0 12px;border-top:1px solid #47617d}
  .site-header nav.open{display:grid;grid-template-columns:1fr 1fr;gap:4px}
  .site-header nav a{display:block;padding:12px 10px;border-radius:7px;background:#1b3656}
  .site-header nav form{grid-column:1/-1;margin:6px 0 0}
  .site-header nav form button{width:100%;text-align:center}
}
@media(max-width:390px){.site-header nav.open{grid-template-columns:1fr}}