:root{--color-accent: oklch(55% .16 250);--color-accent-strong: oklch(47% .17 255);--color-accent-soft: oklch(96% .03 250);--color-bg: oklch(98.5% .006 250);--color-surface: oklch(100% 0 0);--color-border: oklch(90% .012 250);--color-text: oklch(24% .02 250);--color-muted: oklch(52% .02 250);--topbar-bg: oklch(28% .08 258);--topbar-text: oklch(97% .01 250);--radius: 12px;--shadow-sm: 0 1px 2px oklch(24% .02 250 / .06);--shadow-md: 0 8px 24px oklch(24% .05 250 / .1);--font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.topbar{display:flex;align-items:center;gap:1rem;padding:0 1.5rem;height:60px;background:var(--topbar-bg);color:var(--topbar-text)}.topbar__brand{display:flex;align-items:baseline;gap:.6rem;font-weight:700;letter-spacing:.02em}.topbar__badge{font-size:.66rem;font-weight:700;letter-spacing:.14em;padding:.2rem .5rem;border-radius:999px;background:var(--color-accent);color:#fff;text-transform:uppercase}.topbar__nav{display:flex;gap:.25rem;margin-left:1.5rem}.topbar__nav a{padding:.4rem .8rem;border-radius:8px;font-size:.9rem;color:#ced9e5;transition:background .15s ease,color .15s ease}.topbar__nav a:hover{background:#ffffff14;color:#fff}.topbar__nav a.is-active{background:var(--color-accent);color:#fff}.topbar__spacer{margin-left:auto}.topbar__user{display:flex;align-items:center;gap:.75rem;font-size:.85rem;color:#d4dfeb}.btn{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:.5rem .9rem;font-size:.85rem;font-weight:600;background:var(--color-accent);color:#fff;transition:background .15s ease,transform 80ms ease}.btn:hover{background:var(--color-accent-strong)}.btn:active{transform:translateY(1px)}.btn--ghost{background:transparent;color:inherit;border:1px solid oklch(100% 0 0 / .25)}.btn--ghost:hover{background:#ffffff1a}.btn:disabled{opacity:.6;cursor:not-allowed}.page{max-width:920px;margin:0 auto;padding:2rem 1.5rem}.page__title{font-size:1.6rem;margin:0 0 .25rem}.page__lead{color:var(--color-muted);margin:0 0 1.5rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem 1.5rem;box-shadow:var(--shadow-sm)}.tag{display:inline-block;font-size:.75rem;padding:.15rem .55rem;border-radius:999px;background:var(--color-accent-soft);color:var(--color-accent-strong);font-weight:600}.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login__aside{background:linear-gradient(150deg,var(--topbar-bg),var(--color-accent-strong));color:#fff;padding:3rem;display:flex;flex-direction:column;justify-content:space-between}.login__aside h1{font-size:2rem;line-height:1.2;margin:0}.login__aside p{color:#d6e7f8;max-width:34ch}.login__panel{display:flex;align-items:center;justify-content:center;padding:2rem}.login__form{width:100%;max-width:360px}.login__form h2{margin:0 0 1.5rem;font-size:1.35rem}.field{display:block;margin-bottom:1rem}.field span{display:block;font-size:.82rem;font-weight:600;color:var(--color-muted);margin-bottom:.35rem}.field input{width:100%;font:inherit;padding:.65rem .75rem;border:1px solid var(--color-border);border-radius:9px;background:var(--color-surface);transition:border-color .15s ease,box-shadow .15s ease}.field input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft)}.login__form .btn{width:100%;padding:.7rem;font-size:.95rem;margin-top:.5rem}.alert{background:#ffece9;background:oklch(96% .05 25);color:#9b1e22;border:1px solid oklch(85% .08 25);padding:.6rem .8rem;border-radius:9px;font-size:.85rem;margin-bottom:1rem}.center-note{min-height:100vh;display:grid;place-items:center;color:var(--color-muted)}@media(max-width:720px){.login{grid-template-columns:1fr}.login__aside{display:none}}