/* ============================================================
   Musubi redesign — Pattern A: ミニマル & エディトリアル
   Shared tokens & components across admin / portal mocks.
   ============================================================ */

:root {
  --paper: #faf9f5;
  --paper-raised: #ffffff;
  --panel-dark: #17140f;
  --panel-dark2: #211d16;

  --ink: #17140f;
  --ink2: #4a463d;
  --muted: #918b7c;

  --line: #e3ddce;
  --line-strong: #cec6b0;
  --line-on-dark: rgba(250, 249, 245, 0.18);

  --acc: #0e6b52;
  --acc-ink: #ffffff;
  --acc-soft: #eef2ea;

  --danger: #a8402c;
  --warn: #a97a1f;

  --font-display: "Zen Old Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", sans-serif;

  --nav-w: 236px;
  --header-h: 76px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.serif {
  font-family: var(--font-display);
}

em {
  font-style: italic;
}

/* ---------- generic layout helpers ---------- */

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

.hr-strong {
  border: none;
  border-top: 1px solid var(--line-strong);
  margin: 0;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 20px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--acc);
  border-color: var(--acc);
  color: #fff;
}

.btn-ghost {
  border-color: transparent;
  padding: 0 4px;
  height: auto;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
}

.btn-ghost:hover {
  background: transparent;
  color: var(--acc);
  text-decoration-color: var(--acc);
}

.btn-sm {
  height: 34px;
  padding: 0 14px;
  font-size: 12.5px;
}

/* ---------- status text (semantic only, no decorative dots) ---------- */

.tag {
  font-size: 12px;
  letter-spacing: 0.02em;
}

.tag-live { color: var(--acc); }
.tag-warm { color: var(--warn); }
.tag-new { color: var(--ink2); }
.tag-off { color: var(--muted); }
.tag-danger { color: var(--danger); }

/* ---------- form elements (underline style) ---------- */

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 26px;
}

.field label {
  font-size: 12.5px;
  color: var(--ink2);
  letter-spacing: 0.03em;
}

.field input {
  font-family: var(--font-sans);
  font-size: 15.5px;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 2px;
  outline: none;
  transition: border-color 0.2s ease;
}

.field input::placeholder {
  color: var(--muted);
}

.field input:focus {
  border-bottom-color: var(--acc);
}

.field-error input {
  border-bottom-color: var(--danger);
}

.error-msg {
  font-size: 13px;
  color: var(--danger);
  margin: -8px 0 22px;
}

/* ---------- KPI / stat strip ---------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 22px 26px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  border-left: none;
  padding-left: 0;
}

.stat .l {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.stat .v {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 2.6vw, 2.5rem);
  line-height: 1.1;
  color: var(--ink);
  font-feature-settings: "palt";
}

.stat .v small {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  margin-left: 2px;
}

.stat .d {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--ink2);
}

/* ---------- section heading ---------- */

.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.sec-head h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.01em;
}

.sec-head .cap {
  font-size: 12.5px;
  color: var(--muted);
}

.section {
  padding: 40px 0;
}

/* ---------- list rows (dividers, not boxed cards) ---------- */

.rows {
  border-top: 1px solid var(--line);
}

.row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.row .body {
  flex: 1;
  min-width: 0;
}

.row .title {
  font-size: 14.5px;
  color: var(--ink);
}

.row .sub {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 3px;
}

.row .num {
  font-family: var(--font-display);
  font-size: 20px;
  min-width: 28px;
}

.empty {
  padding: 28px 0;
  color: var(--muted);
  font-size: 13.5px;
  border-bottom: 1px solid var(--line);
}

/* ---------- table ---------- */

.etable {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.etable td,
.etable th {
  white-space: nowrap;
}

.etable .name {
  white-space: normal;
}

.etable thead th {
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  padding: 0 14px 12px 0;
  border-bottom: 1px solid var(--line-strong);
}

.etable tbody td {
  padding: 15px 14px 15px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.etable tbody tr:last-child td {
  border-bottom: none;
}

.etable .name {
  color: var(--ink);
}

.etable .muted-cell {
  color: var(--muted);
}

/* ---------- plan breakdown bars ---------- */

.barset {
  display: flex;
  align-items: flex-end;
  gap: 28px;
  height: 150px;
  padding-top: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.barcol {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
  height: 100%;
  justify-content: flex-end;
}

.barcol .val {
  font-family: var(--font-display);
  font-size: 17px;
}

.barcol .fill {
  width: 34px;
  background: var(--ink);
}

.barcol.acc .fill {
  background: var(--acc);
}

.barcol .lbl {
  font-size: 12px;
  color: var(--muted);
  font-style: normal;
}

/* ---------- scoped skip link ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}