:root {
  --bg: #f5f0e8;
  --paper: #fffdf8;
  --paper-strong: #ffffff;
  --ink: #1f1b16;
  --muted: #766e64;
  --line: #dfd4c3;
  --line-strong: #c8b89f;
  --gold: #b28a4d;
  --gold-dark: #866531;
  --navy: #171b25;
  --danger: #8b3434;
  --ok: #2f7551;
  --shadow: 0 18px 46px rgba(42, 33, 20, 0.08);
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0)),
    var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 22px 16px 42px;
}

.shell.admin {
  width: min(1180px, 100%);
}

.hero {
  padding: 24px 0 18px;
}

.brand {
  color: var(--gold-dark);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1,
h2,
h3 {
  line-height: 1.32;
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(28px, 8vw, 48px);
  font-weight: 560;
}

h2 {
  font-size: 21px;
  font-weight: 560;
}

h3 {
  font-size: 16px;
  font-weight: 560;
}

p {
  margin: 0;
}

.lead {
  color: var(--muted);
  margin-top: 14px;
  font-size: 15px;
}

.card {
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.form {
  display: grid;
  gap: 16px;
}

.section {
  display: grid;
  gap: 10px;
}

.label-row {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.required {
  color: var(--gold-dark);
  font-size: 12px;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="date"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 12px;
  min-height: 48px;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(178, 138, 77, 0.24);
  border-color: var(--gold);
}

.choice-grid {
  display: grid;
  gap: 8px;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
}

.choice span {
  display: block;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--muted);
}

.choice input:checked + span {
  border-color: var(--gold);
  color: var(--ink);
  background: #fbf5ea;
}

.preference {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.7);
  display: grid;
  gap: 10px;
}

.time-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button-row.compact {
  gap: 6px;
}

.primary,
.secondary,
.danger,
.ghost,
.button-link {
  border: 1px solid transparent;
  border-radius: 999px;
  min-height: 48px;
  padding: 0 18px;
  font-weight: 560;
}

.button-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.primary {
  color: #fff;
  background: linear-gradient(135deg, #c39a5c, #8a682f);
  box-shadow: 0 12px 24px rgba(138, 104, 47, 0.2);
}

.secondary {
  background: var(--navy);
  color: #fff;
}

.ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--line-strong);
}

.danger {
  background: var(--danger);
  color: #fff;
}

.primary:disabled,
.secondary:disabled,
.ghost:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.notice,
.error,
.success {
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
}

.notice {
  background: #fff8e8;
  border: 1px solid #ead7aa;
  color: #6d5425;
}

.error {
  background: #fff1f0;
  border: 1px solid #e8b9b5;
  color: var(--danger);
}

.success {
  background: #eef8f2;
  border: 1px solid #b8d9c6;
  color: var(--ok);
}

.hidden {
  display: none !important;
}

.admin-head {
  display: grid;
  gap: 12px;
  padding: 18px 0;
}

.admin-layout {
  display: grid;
  gap: 14px;
}

.reservation-list {
  display: grid;
  gap: 8px;
}

.list-item {
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  display: grid;
  gap: 4px;
  color: var(--ink);
}

.list-item.active {
  border-color: var(--gold);
  background: #fbf5ea;
}

.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  color: var(--muted);
  background: #fff;
}

.profile-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #e7ddd0;
  object-fit: cover;
  flex: 0 0 auto;
}

.detail-grid {
  display: grid;
  gap: 12px;
}

.info-row {
  display: grid;
  gap: 4px;
}

.info-row.full {
  margin-top: 10px;
}

.info-row small {
  color: var(--muted);
}

code,
.mono {
  overflow-wrap: anywhere;
  color: var(--navy);
  background: #f7f1e8;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
}

.proposal-grid {
  display: grid;
  gap: 10px;
}

.setup-panel {
  margin-bottom: 14px;
}

.setup-grid {
  margin: 14px 0;
}

.warning-list {
  display: grid;
  gap: 8px;
}

.copy-button {
  justify-self: start;
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.check-list {
  display: grid;
  gap: 8px;
}

.check-row {
  display: grid;
  grid-template-columns: auto minmax(100px, 1fr);
  gap: 2px 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.check-row span {
  grid-row: span 2;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
}

.check-row.ok span {
  color: var(--ok);
  background: #eef8f2;
}

.check-row.ng span {
  color: var(--danger);
  background: #fff1f0;
}

.check-row small {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.login-card {
  width: min(440px, 100%);
  margin: 12vh auto 0;
}

@media (min-width: 840px) {
  .shell {
    padding-top: 34px;
  }

  .admin-layout {
    grid-template-columns: 360px 1fr;
    align-items: start;
  }

  .detail-grid.two {
    grid-template-columns: 1fr 1fr;
  }
}