:root {
  color-scheme: light;
  --ink: #17312b;
  --muted: #5e706b;
  --line: #d9e4df;
  --surface: #ffffff;
  --soft: #f3f8f5;
  --accent: #147a5b;
  --accent-dark: #0d5942;
  --warning-bg: #fff6d8;
  --warning-line: #e8cc69;
  --danger: #a4382a;
  --danger-bg: #fff1ee;
  --success-bg: #eaf7f1;
  --shadow: 0 18px 45px rgba(23, 49, 43, 0.1);
  font-family:
    "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(20, 122, 91, 0.1), transparent 32rem),
    var(--soft);
  line-height: 1.7;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
input {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
fieldset:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 3px solid rgba(20, 122, 91, 0.28);
  outline-offset: 3px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.site-header__inner,
.site-footer__inner,
.page-shell {
  width: min(100% - 2rem, 68rem);
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

.brand {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.page-shell {
  padding-block: clamp(2rem, 7vw, 5rem);
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 28rem);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.35;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.035em;
}

h2 {
  margin-block: 2.25rem 0.75rem;
  font-size: 1.35rem;
}

h3 {
  margin-block: 1.75rem 0.5rem;
  font-size: 1.05rem;
}

.lead {
  max-width: 42rem;
  margin-block: 1rem 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-list {
  margin-block: 2rem 0;
  padding-left: 1.25rem;
}

.feature-list li + li {
  margin-top: 0.55rem;
}

.panel,
.legal-document,
.status-card,
.account-card {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel,
.status-card,
.account-card {
  padding: clamp(1.25rem, 4vw, 2rem);
}

.panel h2,
.status-card h2,
.account-card h2 {
  margin-top: 0;
}

.field {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.field label {
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 3rem;
  border: 1px solid #aebfba;
  border-radius: 0.7rem;
  padding: 0.7rem 0.85rem;
  color: var(--ink);
  background: var(--surface);
}

.field input:focus {
  outline: 3px solid rgba(20, 122, 91, 0.2);
  border-color: var(--accent);
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-block: 1.25rem;
  font-size: 0.92rem;
}

.consent input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.3rem;
  flex: 0 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border: 0;
  border-radius: 0.75rem;
  padding: 0.7rem 1.2rem;
  color: #fff;
  background: var(--accent);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--accent-dark);
}

.button:disabled {
  color: #71807c;
  background: #dfe7e3;
  cursor: not-allowed;
}

.button--secondary {
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
}

.button--secondary:hover {
  color: var(--ink);
  background: var(--soft);
}

.button--danger {
  background: var(--danger);
}

.button--danger:hover {
  background: #7e2b21;
}

.button--compact {
  min-height: 2.6rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.notice {
  margin-block: 0 1.5rem;
  border: 1px solid var(--warning-line);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--warning-bg);
  font-weight: 700;
}

.session-guidance {
  margin-block: 0 1.25rem;
  border-left: 0.3rem solid var(--accent);
  padding: 0.75rem 0.9rem;
  background: var(--soft);
  font-size: 0.92rem;
}

.session-note {
  margin-top: 0.75rem;
}

.form-note,
.status-text,
.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.status-text {
  min-height: 1.6rem;
  margin-bottom: 0;
}

.status-text[data-state="success"] {
  color: var(--accent-dark);
  font-weight: 700;
}

.status-text[data-state="error"],
[data-callback-status][data-state="error"],
[data-account-loading][data-state="error"],
[data-notification-loading][data-state="error"] {
  color: var(--danger);
  font-weight: 700;
}

.legal-document {
  padding: clamp(1.4rem, 5vw, 3.5rem);
}

.legal-document > :first-child {
  margin-top: 0;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-block: 1rem 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-document section {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding-top: 0.2rem;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.account-card--full {
  grid-column: 1 / -1;
}

.terms-history {
  margin: 0;
  padding-left: 1.25rem;
}

.terms-history li + li {
  margin-top: 0.45rem;
}

.definition-list {
  display: grid;
  grid-template-columns: minmax(8rem, 0.7fr) 1.3fr;
  gap: 0.75rem 1rem;
  margin: 0;
}

.definition-list dt {
  color: var(--muted);
  font-weight: 700;
}

.definition-list dd {
  margin: 0;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.notification-page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.page-links {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.membership-guidance {
  border-color: var(--warning-line);
}

.notification-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.5rem 0 0.5rem;
}

.email-notification-preference {
  margin-bottom: 1.5rem;
}

.notification-toolbar h2,
.notification-toolbar p {
  margin-block: 0;
}

.notification-status {
  margin-block: 0.5rem 1rem;
}

.rule-form-panel {
  margin-block: 1rem 1.5rem;
}

.rule-form-panel > h2 {
  margin-bottom: 0.35rem;
}

.rule-fieldset {
  min-width: 0;
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1rem;
}

.rule-fieldset[aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.rule-fieldset legend {
  padding-inline: 0.35rem;
  font-weight: 800;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.field-grid .field {
  margin-bottom: 0;
}

.checkbox-grid {
  display: grid;
  gap: 0.7rem;
}

.checkbox-grid--facilities {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-grid--weekdays {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.check-option {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-height: 2.8rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--surface);
  cursor: pointer;
}

.check-option:hover {
  border-color: #98afa7;
}

.check-option:has(input:focus-visible) {
  outline: 3px solid rgba(20, 122, 91, 0.2);
  border-color: var(--accent);
}

.check-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--success-bg);
}

.check-option:has(input:disabled) {
  opacity: 0.65;
  cursor: not-allowed;
}

.check-option input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.25rem 0 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.check-option--enabled {
  max-width: 32rem;
  margin-top: 0.25rem;
}

.check-option--enabled span {
  display: grid;
  gap: 0.1rem;
}

.check-option--enabled small {
  color: var(--muted);
}

.form-errors {
  margin-bottom: 1.25rem;
  border: 1px solid var(--danger);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  color: var(--danger);
  background: var(--danger-bg);
}

.form-errors__title {
  margin: 0;
  font-weight: 800;
}

.form-errors ul {
  margin-block: 0.4rem 0;
  padding-left: 1.3rem;
}

.notification-rule-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.rule-card {
  display: flex;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(23, 49, 43, 0.07);
  flex-direction: column;
}

.rule-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.rule-card__title {
  margin: 0 0 0.65rem;
  overflow-wrap: anywhere;
  font-size: 1.2rem;
}

.rule-state {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.rule-state--enabled {
  color: var(--accent-dark);
  background: var(--success-bg);
}

.rule-state--paused {
  color: var(--muted);
  background: #edf1ef;
}

.rule-details {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.55fr) minmax(0, 1.45fr);
  gap: 0.55rem 0.8rem;
  margin-block: 1.25rem;
}

.rule-details dt {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.rule-details dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.92rem;
  font-weight: 700;
}

.rule-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.empty-state {
  text-align: center;
}

@media (max-width: 48rem) {
  .auth-layout,
  .account-grid,
  .notification-rule-list,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .definition-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .definition-list dd + dt {
    margin-top: 0.75rem;
  }

  .notification-page-heading,
  .notification-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .page-links .button,
  .notification-toolbar > .button {
    width: 100%;
  }

  .checkbox-grid--facilities,
  .checkbox-grid--weekdays {
    grid-template-columns: 1fr;
  }

  .rule-details {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .rule-details dd + dt {
    margin-top: 0.65rem;
  }

  .rule-card__actions .button {
    flex: 1 1 auto;
  }
}