/* P240: shared login palette, scoped social controls, no legacy page shell. */
html[data-pg-social]{--l63-bg:#101215;--l63-panel:#1b1e23;--l63-input:#252a32;--l63-ink:#f1f3f8;--l63-muted:#b0b9c9;--l63-border:#404854;--l63-link:#a7bfff;color-scheme:dark}
html[data-pg-social][data-pg-theme=white]{--l63-bg:#f1f3f7;--l63-panel:#fafbfd;--l63-input:#e9edf4;--l63-ink:#18212f;--l63-muted:#46556b;--l63-border:#cbd3df;--l63-link:#284dba;color-scheme:light}
html[data-pg-social] body{margin:0;min-height:100dvh;background:var(--l63-bg);color:var(--l63-ink);font-family:system-ui,-apple-system,'Yu Gothic',Meiryo,sans-serif;line-height:1.6}
.pg240-header{box-sizing:border-box;max-width:1240px;padding:26px 28px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.pg240-brand{display:flex;flex-direction:column;color:var(--l63-ink);text-decoration:none}.pg240-brand strong{font-size:26px;line-height:1.3;letter-spacing:-.04em;font-weight:900}.pg240-brand span{font-size:11px;color:var(--l63-muted)}#pg240-theme{width:46px;height:46px;border:1px solid var(--l63-border);border-radius:13px;background:var(--l63-input);color:var(--l63-ink);font:24px system-ui;cursor:pointer}
.pg239-card,#pg239-entry{--pg239-text:var(--l63-ink,var(--u-text,#18212f));--pg239-muted:var(--l63-muted,var(--u-muted,#46556b));--pg239-bg:var(--l63-panel,var(--u-panel,#fafbfd));--pg239-line:var(--l63-border,var(--u-border,#cbd3df));--pg239-input:var(--l63-input,var(--u-panel,#e9edf4));--pg239-link:var(--l63-link,var(--u-blue,#284dba));color:var(--pg239-text);box-sizing:border-box}
.pg239-card{width:calc(100% - 32px);max-width:480px;margin:clamp(28px,6vh,70px) auto 48px;padding:32px;border:1px solid var(--pg239-line);border-radius:24px;background:var(--pg239-bg)}.pg239-card *{box-sizing:border-box}.pg239-card h1{font-size:26px;font-weight:800;margin:0 0 24px;line-height:1.4;letter-spacing:-.03em}.pg239-card h2{font-size:20px;margin:0 0 16px}.pg239-card a{color:var(--pg239-link);text-decoration:none}.pg239-card a:hover{text-decoration:underline}.pg239-card p{margin:12px 0}.pg239-note,.pg239-form small{font-size:12px!important;color:var(--pg239-muted)!important;line-height:1.7!important;font-weight:400!important}
.pg239-buttons{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;width:100%}
#pg239-entry .pg239-provider,.pg239-card .pg239-provider{position:relative;display:flex!important;align-items:center;justify-content:center;gap:10px;box-sizing:border-box;width:100%!important;min-height:46px;margin:0!important;padding:10px 52px!important;border:1px solid #747775!important;border-radius:6px!important;background:#fff!important;color:#1f1f1f!important;font:500 14px/20px system-ui,-apple-system,'Yu Gothic',Meiryo,sans-serif!important;text-decoration:none!important;box-shadow:none!important;cursor:pointer;transition:background .15s,box-shadow .15s}
#pg239-entry .pg239-provider:hover,.pg239-card .pg239-provider:hover{background:#f2f2f2!important;box-shadow:0 1px 3px #0002!important}.pg240-provider-icon{object-fit:contain;flex:0 0 20px;width:20px!important;height:20px!important;display:block!important}.pg239-provider .pg240-provider-icon,.pg239-provider .pg240-provider-mark{position:absolute;left:14px;top:50%;transform:translateY(-50%)}.pg240-provider-mark{font-size:11px;font-weight:750;letter-spacing:-.5px}.pg239-provider.pg239-x .pg240-provider-mark{font-size:23px}.pg239-provider>span:last-child{color:inherit!important;font:inherit!important}
#pg239-entry .pg239-apple,#pg239-entry .pg239-x,.pg239-card .pg239-apple,.pg239-card .pg239-x{background:#111!important;color:#fff!important;border-color:#555!important}#pg239-entry .pg239-line,.pg239-card .pg239-line{background:#06c755!important;color:#073b20!important;border-color:#06c755!important}
#pg239-entry:not(.pg221-links){max-width:none;width:100%;padding:0;margin:24px 0 0}#pg239-entry:not(.pg221-links) .pg239-note{text-align:center;margin:12px 0 0}#pg239-entry .pg239-divider{display:flex;align-items:center;gap:14px;margin:0 0 20px;color:var(--pg239-muted);font-size:12px}.pg239-divider:before,.pg239-divider:after{content:"";flex:1;border-top:1px solid var(--pg239-line)}
.pg239-privacy,.pg239-existing{border-top:1px solid var(--pg239-line);padding-top:20px;margin:24px 0;font-size:13px}.pg239-privacy summary,.pg239-existing summary{cursor:pointer;min-height:32px;font-weight:600}.pg239-back{padding-top:16px;text-align:center;font-size:12px}.pg239-back-link{display:block;text-align:center;margin-top:24px;font-size:13px}.pg239-form{display:grid;gap:10px}.pg239-form label{font-size:14px;font-weight:650;margin-top:8px}.pg239-form input{min-width:0;width:100%;height:48px;border:1px solid var(--pg239-line);border-radius:11px;background:var(--pg239-input);color:var(--pg239-text);padding:10px 12px;font-family:inherit;font-size:16px;line-height:1.4}.pg239-form input[readonly]{opacity:.85}.pg239-form input::placeholder{color:var(--pg239-muted);opacity:.8}.pg239-card :is(input,button,a,summary):focus-visible,#pg239-entry button:focus-visible{outline:3px solid var(--pg239-link);outline-offset:3px}.pg239-handle{display:flex;align-items:center;gap:9px}.pg239-handle>span{color:var(--pg239-muted)}.pg240-optional{display:inline-block;padding:1px 6px;margin-left:4px;font-size:11px;font-weight:500;color:var(--pg239-muted);background:var(--pg239-input);border-radius:4px}
.pg239-primary,.pg239-secondary{display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;padding:12px 16px;border-radius:11px;font:650 14px/1.4 system-ui,sans-serif;cursor:pointer;text-decoration:none!important}.pg239-card .pg239-primary{margin-top:8px;background:#284dba;color:#fff;border:1px solid #284dba}.pg239-primary:hover{filter:brightness(1.08)}.pg239-secondary{background:var(--pg239-input);color:var(--pg239-text);border:1px solid var(--pg239-line)}.pg239-text{border:0;padding:5px;background:transparent;color:var(--pg239-link);text-decoration:none;cursor:pointer;font:inherit}.pg239-text:hover{text-decoration:underline}.pg239-card button:disabled,#pg239-entry button:disabled{opacity:.65;cursor:wait}.pg239-linked{display:flex;align-items:center;gap:12px;border:1px solid var(--pg239-line);border-radius:11px;padding:10px 14px}.pg239-linked span{margin-left:auto;font-size:12px}
.pg240-account{display:flex;align-items:center;gap:12px;padding:14px 16px;margin:0 0 24px;border:1px solid var(--pg239-line);border-radius:12px;background:var(--pg239-input)}.pg240-account .pg240-provider-icon{background:#fff;border-radius:4px;padding:2px;box-sizing:content-box}.pg240-account>div{min-width:0}.pg240-account strong{display:block;font-size:11px;color:var(--pg239-muted);font-weight:500}.pg240-account span{display:block;font-size:14px;font-weight:550;overflow-wrap:anywhere}
.pg239-card [hidden],#pg239-entry [hidden]{display:none!important}#pg239-code-wrap{display:grid;gap:10px}#pg239-message{margin:16px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.6}#pg239-message:empty{display:none}#pg239-message[data-error=true]{color:#b72337}html[data-pg-theme=black] #pg239-message[data-error=true]{color:#ffb4c4}#pg239-turnstile:empty{display:none}#pg239-turnstile{margin-top:12px}#pg239-unlink{max-width:420px;box-sizing:border-box;width:calc(100% - 32px);border:1px solid var(--pg239-line);border-radius:20px;padding:24px;color:var(--pg239-text);background:var(--pg239-bg)}#pg239-unlink::backdrop{background:#07142388}.pg239-reset{max-width:480px;margin:16px auto;font-size:13px;padding:0 18px}.pg239-reset a{color:var(--u-blue,#2459b3)}
@media(max-width:520px){.pg240-header{padding:20px}.pg239-card{padding:26px 22px;margin-top:24px}.pg239-card h1{font-size:24px}}
@media(prefers-reduced-motion:reduce){.pg239-provider{transition:none!important}}