:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #17211d;
  --ink-soft: #52605a;
  --line: #d8d5cc;
  --line-strong: #b9b7ae;
  --forest: #153f35;
  --forest-2: #1d5b4b;
  --mint: #dcece5;
  --gold: #a57824;
  --gold-soft: #f4e8c7;
  --red: #a43b35;
  --red-soft: #f6dedb;
  --amber: #9a681c;
  --amber-soft: #f7ead0;
  --shadow: 0 18px 50px rgb(23 33 29 / 8%);
  --radius: 18px;
  --sans: Inter, "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", sans-serif;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.65; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid #69a68f; outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 16px; color: white; background: var(--forest); border-radius: 8px; }
.skip-link:focus { top: 16px; }
.shell { min-height: 100vh; }
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 72px; padding: 12px clamp(18px, 4vw, 56px); border-bottom: 1px solid rgb(216 213 204 / 85%); background: rgb(244 241 233 / 92%); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; color: white; background: var(--forest); border-radius: 12px; font-family: var(--serif); font-size: 20px; font-weight: 800; }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-family: var(--serif); font-size: 16px; }
.brand-copy small { color: var(--ink-soft); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.top-actions { display: flex; align-items: center; gap: 12px; }
.owner-chip { display: grid; text-align: right; line-height: 1.25; }
.owner-chip strong { font-size: 12px; }
.owner-chip span { color: var(--ink-soft); font-size: 11px; }
.layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); max-width: 1560px; min-height: calc(100vh - 72px); margin: 0 auto; }
.sidebar { position: sticky; top: 72px; align-self: start; height: calc(100vh - 72px); padding: 28px 18px; border-right: 1px solid var(--line); }
.nav-label { margin: 0 12px 10px; color: var(--ink-soft); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.nav { display: grid; gap: 6px; }
.nav a { display: flex; align-items: center; gap: 12px; padding: 11px 13px; color: var(--ink-soft); border-radius: 12px; text-decoration: none; font-size: 14px; font-weight: 700; }
.nav a:hover { color: var(--ink); background: rgb(255 255 255 / 56%); }
.nav a[aria-current="page"] { color: white; background: var(--forest); box-shadow: 0 8px 22px rgb(21 63 53 / 18%); }
.nav-icon { width: 22px; text-align: center; font-size: 15px; }
.sidebar-note { position: absolute; right: 18px; bottom: 24px; left: 18px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: rgb(255 255 255 / 50%); }
.sidebar-note strong { display: block; font-size: 12px; }
.sidebar-note p { margin: 3px 0 0; color: var(--ink-soft); font-size: 11px; }
.main { min-width: 0; padding: 40px clamp(22px, 4vw, 64px) 72px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.eyebrow { margin: 0 0 7px; color: var(--gold); font-size: 11px; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-family: var(--serif); font-size: clamp(28px, 4vw, 45px); line-height: 1.17; letter-spacing: -.025em; }
h2 { margin: 0; font-family: var(--serif); font-size: 21px; line-height: 1.3; }
h3 { margin: 0; font-size: 15px; }
.lede { max-width: 720px; margin: 10px 0 0; color: var(--ink-soft); font-size: 14px; }
.grid { display: grid; gap: 18px; }
.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric, .panel { min-width: 0; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.metric { padding: 20px; }
.metric-label { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--ink-soft); font-size: 12px; font-weight: 750; }
.metric-value { margin: 14px 0 2px; font-family: var(--serif); font-size: 34px; font-weight: 800; line-height: 1; }
.metric-note { color: var(--ink-soft); font-size: 11px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--forest-2); box-shadow: 0 0 0 5px var(--mint); }
.dot.amber { background: var(--amber); box-shadow: 0 0 0 5px var(--amber-soft); }
.dot.red { background: var(--red); box-shadow: 0 0 0 5px var(--red-soft); }
.content-grid { grid-template-columns: minmax(0, 1.35fr) minmax(310px, .65fr); margin-top: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.panel-body { padding: 22px; }
.stack { display: grid; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 9px 15px; border: 1px solid transparent; color: white; background: var(--forest); border-radius: 11px; cursor: pointer; text-decoration: none; font-size: 13px; font-weight: 800; }
.btn:hover { background: var(--forest-2); }
.btn.secondary { color: var(--ink); border-color: var(--line-strong); background: transparent; }
.btn.secondary:hover { background: white; }
.btn.danger { background: var(--red); }
.btn.small { min-height: 34px; padding: 6px 11px; font-size: 11px; }
.btn:disabled { cursor: not-allowed; opacity: .45; }
.icon-btn { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); color: var(--ink); background: transparent; border-radius: 11px; cursor: pointer; }
.form-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 12px; font-weight: 800; }
.input, .textarea, .select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--line-strong); color: var(--ink); background: var(--surface-strong); border-radius: 10px; }
.input::placeholder, .textarea::placeholder { color: #8a938e; }
.input:disabled { color: var(--ink-soft); background: #eeeae1; }
.help { margin: 0; color: var(--ink-soft); font-size: 11px; }
.notice { padding: 12px 14px; border: 1px solid #d8bd7f; color: #755018; background: var(--gold-soft); border-radius: 11px; font-size: 12px; }
.notice.error { border-color: #d99b95; color: #7c2924; background: var(--red-soft); }
.notice.success { border-color: #9ac2b1; color: #174d3f; background: var(--mint); }
.row-list { display: grid; gap: 2px; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.row-main { min-width: 0; }
.row-title { margin: 0; font-size: 13px; font-weight: 850; }
.row-sub { margin: 3px 0 0; color: var(--ink-soft); font-size: 11px; }
.row-meta { text-align: right; white-space: nowrap; }
.badge { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 9px; color: var(--ink-soft); background: #ebe8df; border-radius: 999px; font-size: 10px; font-weight: 850; }
.badge.green { color: #175140; background: var(--mint); }
.badge.amber { color: #7c5314; background: var(--amber-soft); }
.badge.red { color: #7e2c27; background: var(--red-soft); }
.badge.gold { color: #705018; background: var(--gold-soft); }
.definition { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 0; margin: 0; }
.definition dt, .definition dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.definition dt { color: var(--ink-soft); font-weight: 800; }
.definition dd { min-width: 0; }
.quote { margin: 0; padding: 15px 17px; border-left: 3px solid var(--gold); color: #37443e; background: #faf7ef; font-size: 13px; }
.tabs { display: flex; gap: 5px; padding: 5px; border: 1px solid var(--line); background: #efebe2; border-radius: 12px; }
.tab { min-height: 34px; padding: 5px 11px; border: 0; color: var(--ink-soft); background: transparent; border-radius: 8px; cursor: pointer; font-size: 11px; font-weight: 800; }
.tab[aria-selected="true"] { color: var(--ink); background: white; box-shadow: 0 3px 10px rgb(23 33 29 / 8%); }
.audit { display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: 14px; }
.audit-line { position: relative; background: var(--line); }
.audit-line::before { position: absolute; top: 5px; left: 50%; width: 9px; height: 9px; content: ""; background: var(--forest); border: 3px solid var(--surface); border-radius: 50%; transform: translateX(-50%); box-shadow: 0 0 0 1px var(--line); }
.audit-content { padding: 0 0 22px; }
.audit-content time { color: var(--ink-soft); font-size: 10px; }
.audit-content p { margin: 4px 0 0; font-size: 12px; }
.empty { padding: 34px 18px; color: var(--ink-soft); text-align: center; }
.empty strong { display: block; color: var(--ink); font-family: var(--serif); font-size: 18px; }
.empty p { margin: 5px 0 0; font-size: 12px; }
.auth-page { display: grid; min-height: 100vh; grid-template-columns: minmax(320px, .85fr) minmax(440px, 1.15fr); background: var(--surface); }
.auth-aside { position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 100vh; padding: clamp(32px, 6vw, 80px); overflow: hidden; color: white; background: var(--forest); }
.auth-aside::after { position: absolute; right: -25%; bottom: -15%; width: 70%; aspect-ratio: 1; content: ""; border: 1px solid rgb(255 255 255 / 12%); border-radius: 50%; box-shadow: 0 0 0 80px rgb(255 255 255 / 3%), 0 0 0 160px rgb(255 255 255 / 2%); }
.auth-brand { position: relative; z-index: 1; display: flex; align-items: center; gap: 13px; }
.auth-brand .brand-mark { color: var(--forest); background: white; }
.auth-aside-copy { position: relative; z-index: 1; max-width: 520px; }
.auth-aside-copy h1 { font-size: clamp(35px, 5vw, 64px); }
.auth-aside-copy p { max-width: 440px; color: rgb(255 255 255 / 70%); }
.auth-safety { position: relative; z-index: 1; font-size: 11px; opacity: .7; }
.auth-main { display: grid; place-items: center; min-height: 100vh; padding: 30px; }
.auth-card { width: min(100%, 430px); }
.auth-card h2 { margin-top: 10px; font-size: 30px; }
.auth-card > p { margin: 8px 0 28px; color: var(--ink-soft); font-size: 13px; }
.auth-card form { display: grid; gap: 16px; }
.auth-card .btn { width: 100%; min-height: 48px; }
.code-input { font-variant-numeric: tabular-nums; letter-spacing: .35em; text-align: center; font-size: 24px; font-weight: 800; }
.loading { display: grid; place-items: center; min-height: 100vh; color: var(--ink-soft); }
.spinner { width: 28px; height: 28px; margin-bottom: 12px; border: 3px solid var(--line); border-top-color: var(--forest); border-radius: 50%; animation: spin .8s linear infinite; }
.mobile-nav { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --paper: #101714; --surface: #17201c; --surface-strong: #1c2722; --ink: #edf2ef; --ink-soft: #a9b5af; --line: #33413b; --line-strong: #52625b; --forest: #2f8068; --forest-2: #3b9a7e; --mint: #173c31; --gold: #d2a650; --gold-soft: #3c301b; --red: #d36b64; --red-soft: #3f2422; --amber: #d59b41; --amber-soft: #3c2e19; --shadow: 0 18px 50px rgb(0 0 0 / 22%); }
  .input:disabled { background: #222b27; }
  .quote { color: #d7e0dc; background: #1d241f; }
  .tabs { background: #101714; }
  .tab[aria-selected="true"] { background: #29352f; }
  .sidebar-note { background: rgb(255 255 255 / 3%); }
  .nav a:hover { background: rgb(255 255 255 / 5%); }
}
@media (max-width: 1000px) { .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } .content-grid { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .topbar { min-height: 64px; padding: 10px 16px; }
  .brand-copy small, .owner-chip { display: none; }
  .layout { display: block; min-height: auto; }
  .sidebar { display: none; }
  .main { padding: 25px 16px 94px; }
  .page-head { align-items: flex-start; flex-direction: column; margin-bottom: 22px; }
  h1 { font-size: 30px; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric { padding: 15px; }
  .metric-value { font-size: 28px; }
  .panel-head, .panel-body { padding: 17px; }
  .form-grid { grid-template-columns: 1fr; }
  .definition { grid-template-columns: 1fr; }
  .definition dt { padding-bottom: 0; border-bottom: 0; }
  .definition dd { padding-top: 4px; }
  .mobile-nav { position: fixed; right: 10px; bottom: 10px; left: 10px; z-index: 40; display: grid; grid-template-columns: repeat(4, 1fr); padding: 7px; border: 1px solid var(--line); background: rgb(255 253 248 / 94%); border-radius: 17px; box-shadow: var(--shadow); backdrop-filter: blur(15px); }
  .mobile-nav a { display: grid; place-items: center; gap: 2px; min-height: 52px; color: var(--ink-soft); border-radius: 11px; text-decoration: none; font-size: 9px; font-weight: 800; }
  .mobile-nav a[aria-current="page"] { color: white; background: var(--forest); }
  .mobile-nav span { font-size: 16px; }
  .auth-page { display: block; background: var(--surface); }
  .auth-aside { min-height: 260px; padding: 28px 22px; }
  .auth-aside-copy h1 { font-size: 34px; }
  .auth-aside-copy p { display: none; }
  .auth-safety { display: none; }
  .auth-main { min-height: calc(100vh - 260px); padding: 28px 20px 45px; }
}