/* 会員サイトv3のpaletteと原型login-cardの寸法・余白を使用。ログインだけで自己完結させる。 */
@font-face{font-family:Roboto;src:url('assets/login-Roboto-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
:root{--primary:#125ccc;--accent:#e8f1ff;--bg:#f5f7fa;--surface:#fff;--ink:#1c2738;--muted:#566378;--line:#dce3ec;color-scheme:light}
*{box-sizing:border-box;min-width:0}body{margin:0;color:var(--ink);background:var(--bg);font-family:Roboto,-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic',Meiryo,sans-serif;font-size:14px;line-height:1.75;-webkit-font-smoothing:antialiased}button,input,summary{font:inherit;touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.login-screen{min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:38px 18px 22px}.login-card{width:min(520px,100%);padding:clamp(26px,4vw,44px);border:1px solid var(--line);border-top:4px solid var(--primary);border-radius:8px;background:var(--surface);box-shadow:0 20px 54px -36px #1c273860}.login-mark strong,.login-mark small{display:block}.login-mark strong{font-size:23px;font-weight:900;line-height:1.3;letter-spacing:-.02em}.login-mark strong span{color:var(--primary);letter-spacing:.02em}.login-mark small{margin-top:4px;color:var(--muted);font-size:12px;font-weight:700}.login-kicker{margin:30px 0 8px;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.06em}h1{margin:0;font-size:clamp(28px,5vw,38px);font-weight:900;line-height:1.35;letter-spacing:.01em}.login-copy{margin:17px 0 25px;color:var(--muted);font-size:14px}label{display:block;font-size:13px;font-weight:800;margin-bottom:8px}input{display:block;width:100%;min-height:50px;border:1px solid #bdc8d8;border-radius:4px;padding:12px 14px;color:var(--ink);background:#fff;font-size:16px}input::placeholder{color:#7a8799}input:read-only{background:var(--bg)}.field-help{margin:7px 0 20px;color:var(--muted);font-size:12px}#code-field{margin:0 0 20px}#code{letter-spacing:.18em}.login-submit{display:block;width:100%;min-height:50px;border:0;border-radius:4px;background:var(--primary);color:#fff;font-size:14px;font-weight:800;padding:13px 16px}.login-submit:hover{background:#0e4ba9}#login-status{color:var(--ink);font-size:13px;margin:12px 0 0}#login-status:empty{display:none}.text-button{padding:10px 0;color:var(--primary);border:0;background:none;font-size:12px;text-align:left;text-decoration:underline;text-underline-offset:3px}.login-note{display:flex;gap:10px;align-items:flex-start;margin-top:24px;padding:15px 14px;border-radius:4px;background:var(--accent);font-size:12px;color:#28476f}.login-note p{margin:0}.note-icon{font-size:16px;color:var(--primary);font-weight:800}.login-help{margin-top:19px;color:var(--muted);font-size:12px}.login-help summary{cursor:pointer;font-weight:700}.login-help p{margin:8px 0 0}.login-footer{margin:18px 0 0;color:var(--muted);font-size:11px}.skip{position:absolute;left:-9999px}.skip:focus{position:fixed;left:16px;top:16px;padding:8px 12px;color:#fff;background:var(--primary);z-index:2}@media(max-width:400px){.login-screen{padding:20px 12px}.login-card{padding:26px 22px}.desktop-break{display:none}.login-note{padding:12px}.login-mark strong{font-size:21px}}