:root{--ground: #f5f7fa;--surface: #ffffff;--sunk: #eef1f5;--ink: #16202b;--muted: #5b6774;--faint: #667382;--line: #e3e8ee;--track: #d9dfe7;--go: #14724a;--hold: #b8401f;--brand: #008dd7;--on-brand: #ffffff;--google-surface: #ffffff;--google-line: #747775;--google-ink: #1f1f1f;--focus-shadow: none;--font-body: "IBM Plex Sans JP", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--ground: #0f141a;--surface: #161c24;--sunk: #121820;--ink: #e6ebf0;--muted: #98a4b1;--faint: #8a97a6;--line: #242c36;--track: #2a3441;--go: #3fb57e;--hold: #e07a55;--google-surface: #131314;--google-line: #8e918f;--google-ink: #e3e3e3;--focus-shadow: 0 0 0 4px var(--surface);color-scheme:dark}}:root[data-theme=dark]{--ground: #0f141a;--surface: #161c24;--sunk: #121820;--ink: #e6ebf0;--muted: #98a4b1;--faint: #8a97a6;--line: #242c36;--track: #2a3441;--go: #3fb57e;--hold: #e07a55;--google-surface: #131314;--google-line: #8e918f;--google-ink: #e3e3e3;--focus-shadow: 0 0 0 4px var(--surface);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}html,body{overflow-x:clip}body{background:var(--ground);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:24px;letter-spacing:normal}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:var(--focus-shadow)}.shell{min-height:100vh;border-top:2px solid var(--brand)}.shell-header{border-bottom:1px solid var(--line)}.shell-header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;max-width:920px;min-height:56px;margin:0 auto;padding:10px 24px}.brand{display:flex;align-items:center;gap:10px;min-width:0;font-size:15px;font-weight:600;overflow-wrap:anywhere}.brand-mark{display:block;flex-shrink:0;width:auto;height:22px;color:var(--brand)}@media 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a{color:inherit;text-underline-offset:3px}.shell-footer a:where(:hover,:active){color:var(--ink)}.doc{max-width:40em;overflow-wrap:anywhere}.doc h1,.doc h2{margin:0 0 8px;font-size:20px;font-weight:600;line-height:30px}.doc h2{margin-top:24px}.doc p{margin:0 0 24px;font-size:15px;line-height:24px}.login-content{min-height:200px;max-width:480px}.inbox-content{max-width:40em}.card{padding:32px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.state-heading{min-width:0;margin:0 0 8px;font-size:28px;font-weight:600;line-height:38px;overflow-wrap:anywhere}.section-heading{margin:0 0 8px;font-size:20px;font-weight:600;line-height:30px}.description{max-width:40em;margin:0 0 24px;color:var(--muted)}.muted{color:var(--muted)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.button,.button-primary,.button-google{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;height:36px;padding:0 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-weight:500;white-space:nowrap;cursor:pointer;transition:background-color .12s,border-color .12s,color .12s}.button-primary{height:44px;border-color:var(--brand);background:var(--brand);color:var(--on-brand)}.button-google{gap:10px;height:44px;padding:0 12px;border-color:var(--google-line);background:var(--google-surface);color:var(--google-ink)}.button:where(:hover:not(:disabled),:active:not(:disabled)){background:var(--sunk)}.button-primary:where(:hover:not(:disabled),:active:not(:disabled)){border-color:color-mix(in srgb,var(--brand) 88%,black);background:color-mix(in srgb,var(--brand) 88%,black)}.button-google:where(:hover:not(:disabled),:active:not(:disabled)){background:color-mix(in srgb,var(--google-surface) 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