:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --ink: #18221f;
  --muted: #66736f;
  --line: #d8ded8;
  --panel: #ffffff;
  --primary: #1f6f68;
  --primary-dark: #164d49;
  --accent: #c4512b;
  --soft: #e9f2ef;
  --warn: #f5e0aa;
  --danger: #c53f3f;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  overscroll-behavior-x: none;
}

body {
  margin: 0;
  max-width: 100vw;
  background: var(--bg);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary);
  font-weight: 800;
}

button,
input,
select,
textarea {
  min-width: 0;
  max-width: 100%;
  font: inherit;
}

form,
label {
  min-width: 0;
  max-width: 100%;
}

fieldset {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}

button {
  cursor: pointer;
  white-space: normal;
  overflow-wrap: anywhere;
}

.app-shell {
  width: min(980px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 14px 40px;
  overflow-x: clip;
}

.welcome-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px 14px;
}

.welcome-inner {
  width: min(720px, 100%);
  min-width: 0;
}

.welcome-copy {
  max-width: 620px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.75;
}

.welcome-copy.sub-copy {
  margin-top: -4px;
  font-size: 16px;
  font-weight: 700;
}

.welcome-copy strong:not(.safety-label) {
  color: #0d4f42;
  font-weight: 900;
}

.safety-label {
  display: inline-flex;
  align-items: center;
  margin: 0 8px 6px 0;
  padding: 4px 10px;
  border: 1px solid #9de4c7;
  border-radius: 999px;
  background: #e0f7ee;
  color: #0f6b4f;
  font-size: 14px;
  font-weight: 900;
  vertical-align: middle;
}

.welcome-points {
  display: grid;
  gap: 8px;
  margin: 22px 0;
}

.welcome-points span {
  min-width: 0;
  border-left: 4px solid var(--primary);
  padding: 8px 0 8px 12px;
  background: rgba(255, 255, 255, 0.58);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.welcome-guide {
  display: grid;
  gap: 12px;
  width: 100%;
  max-width: 620px;
  margin: 18px 0 0;
  padding: 14px;
}

.welcome-guide h2 {
  margin-bottom: 0;
}

.welcome-guide ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
}

.first-steps {
  display: grid;
  gap: 8px;
  border: 1px solid #b9ddd3;
  border-radius: 8px;
  padding: 12px;
  background: #eef8f5;
}

.first-steps p,
.first-steps ol {
  margin: 0;
}

.first-steps strong {
  color: var(--primary-dark);
}

.first-steps ol {
  color: var(--ink);
  font-weight: 800;
}

.welcome-links,
.support-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.install-steps {
  display: grid;
  gap: 14px;
}

.install-steps h3 {
  margin: 0 0 6px;
  color: var(--primary-dark);
}

.install-steps ol {
  margin: 0;
  padding-left: 20px;
  line-height: 1.7;
  color: var(--muted);
}

.lead-copy {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.75;
}

.preview-panel {
  max-width: 860px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.preview-hero-image {
  display: grid;
  place-items: center;
  margin: 18px 0;
}

.preview-hero-image img {
  width: min(100%, 420px);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(34, 43, 38, 0.12);
}

.preview-grid article,
.preview-steps {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
}

.preview-grid article {
  display: grid;
  gap: 8px;
  align-content: start;
}

.preview-grid img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.preview-grid h2,
.preview-steps h2 {
  margin-bottom: 6px;
  color: var(--primary-dark);
  font-size: 18px;
}

.preview-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.preview-steps {
  margin-bottom: 16px;
}

.preview-steps ol {
  margin: 0;
  padding-left: 20px;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.8;
}

.topbar,
.section-head,
.actions,
.meta-row,
.reservation-row,
.stats {
  display: flex;
  align-items: center;
}

.topbar > *,
.section-head > *,
.card-head > *,
.reservation-row > *,
.reservation-controls > *,
.actions > *,
.meta-row > *,
.stats > * {
  min-width: 0;
}

.topbar {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.topbar-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 6px 10px;
  min-width: 0;
}

.topbar-title .eyebrow {
  grid-column: 1 / -1;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 38px;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 3px;
  font-size: 22px;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 8px 0 12px;
  background: var(--bg);
  max-width: 100%;
}

.tab,
.primary,
.ghost,
.icon-button,
.install-button,
.file-button,
.small-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  padding: 9px 12px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 700;
}

.tab.active,
.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.primary:active,
.tab.active:active {
  background: var(--primary-dark);
}

.ghost {
  background: transparent;
}

.danger-outline {
  border-color: rgba(197, 63, 63, 0.35);
  color: var(--danger);
}

.caution-note {
  margin: 0 0 12px;
  color: var(--danger);
  font-weight: 800;
}

.icon-button {
  width: 44px;
  border-radius: 50%;
  padding: 0;
  font-size: 22px;
}

.install-button {
  white-space: nowrap;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

main,
.view,
.stack,
.grid,
.panel,
.card,
.message-card,
.dialog-card {
  width: 100%;
  min-width: 0;
  overflow-x: clip;
}

.section-head {
  justify-content: space-between;
  gap: 14px;
  margin: 16px 0 12px;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.section-head p,
.card p,
.empty,
.mini {
  color: var(--muted);
}

.panel,
.card,
.message-card,
.dialog-card {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(34, 43, 38, 0.06);
}

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

.help-panel {
  display: grid;
  gap: 10px;
}

.help-panel h3 {
  margin-bottom: 0;
}

.help-panel ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.help-panel .small-button {
  justify-self: start;
}

.card,
.message-card {
  padding: 14px;
}

.event-summary {
  cursor: default;
}

.event-section {
  display: grid;
  gap: 8px;
}

.event-section-title {
  margin: 12px 0 2px;
  color: var(--muted);
  font-size: 14px;
}

.person-card {
  display: grid;
  grid-template-columns: minmax(72px, 1fr) minmax(72px, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
}

.person-name,
.person-display,
.person-contact {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.person-display,
.person-contact {
  color: var(--muted);
  font-size: 13px;
}

.person-contact {
  font-weight: 700;
}

.back-button {
  min-height: 34px;
  margin-bottom: 10px;
  padding: 6px 10px;
}

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

.stack.compact {
  margin-top: 12px;
}

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

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

.mode-field {
  display: grid;
  gap: 7px;
}

.mode-field legend {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.segmented label {
  display: block;
  cursor: pointer;
}

.segmented input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented span {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
  text-align: center;
}

.segmented input:checked + span {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  font-size: 16px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

.search-wrap,
.search-row {
  margin-bottom: 12px;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.actions {
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.actions.vertical {
  align-items: stretch;
  flex-direction: column;
}

.hidden {
  display: none;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.title-row h3 {
  margin-bottom: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.meta-row,
.reservation-row,
.stats {
  gap: 8px;
  flex-wrap: wrap;
}

.meta-row {
  margin: 8px 0 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
}

.pill.warn {
  background: var(--warn);
  color: #6d4d10;
}

.pill.danger {
  background: #f7d7d7;
  color: var(--danger);
}

.pill.neutral {
  background: #eeeeee;
  color: #555;
}

.pill.self-managed {
  background: #e6edf9;
  color: #284d87;
}

.pill.paid {
  background: #dcf0df;
  color: #176333;
}

.pill-button {
  border: 0;
  cursor: pointer;
}

.reservation-row {
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  margin-top: 10px;
}

.reservation-main {
  width: min(100%, 420px);
  min-width: 180px;
}

.reservation-main strong {
  display: block;
}

.reservation-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 0;
  max-width: 100%;
}

.reservation-row-controls {
  display: grid;
  gap: 6px;
  justify-items: end;
}

.reservation-meta-controls,
.reservation-action-controls {
  display: grid;
  gap: 6px;
  width: 100%;
}

.reservation-meta-controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.self-managed-controls .reservation-meta-controls {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.reservation-action-controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.reservation-action-controls:has(> :only-child) {
  grid-template-columns: minmax(0, 1fr);
}

.reservation-meta-controls .pill,
.reservation-action-controls .small-button {
  justify-content: center;
  width: 100%;
  min-width: 0;
  text-align: center;
}

.shop-count {
  display: inline-grid;
  grid-template-columns: minmax(28px, auto) 34px minmax(40px, 58px) 34px;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 6px 4px 9px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

.shop-count input {
  min-height: 28px;
  padding: 4px 6px;
  text-align: center;
}

.reservation-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.small-button {
  min-height: 34px;
  padding: 6px 9px;
  font-size: 13px;
}

.wide {
  width: min(320px, 100%);
}

.link-button {
  display: inline-grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  text-decoration: none;
  font-weight: 800;
  text-align: center;
}

.feedback-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 18px 14px;
}

.feedback-panel {
  width: min(680px, 100%);
}

.feedback-form {
  display: grid;
  gap: 12px;
}

.feedback-list {
  margin: 14px 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  justify-content: center;
  margin-top: 28px;
  padding: 18px 0 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.app-footer a {
  color: var(--muted);
}

.about-list {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.about-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.about-row dt {
  color: var(--muted);
  font-weight: 800;
}

.about-row dd {
  margin: 0;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.detail-list dt {
  color: var(--muted);
  font-weight: 800;
}

.detail-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.trap {
  position: absolute;
  left: -9999px;
}

.count-control {
  display: inline-grid;
  grid-template-columns: 34px minmax(120px, auto) 34px;
  align-items: center;
  gap: 4px;
  max-width: 100%;
}

.count-button,
.name-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 34px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 800;
}

.count-button {
  width: 34px;
  padding: 0;
}

.name-button {
  overflow-wrap: anywhere;
  padding: 6px 10px;
  text-align: left;
}

.danger-text {
  color: var(--danger);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 18px;
  text-align: center;
}

.message-card textarea {
  min-height: 150px;
  margin-top: 8px;
}

.file-button {
  display: grid;
  place-items: center;
  text-align: center;
}

.file-button input {
  display: none;
}

dialog {
  width: min(520px, calc(100% - 24px));
  max-width: calc(100vw - 24px);
  border: 0;
  padding: 0;
  background: transparent;
  overflow-x: clip;
}

dialog::backdrop {
  background: rgba(8, 15, 13, 0.45);
}

.dialog-card {
  padding: 16px;
}

.support-card p {
  line-height: 1.7;
}

.support-method {
  display: grid;
  gap: 10px;
  margin: 14px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.support-method p {
  margin: 0;
}

.support-links {
  margin: 12px 0 0;
}

.paypay-qr {
  display: grid;
  place-items: center;
  margin-top: 4px;
  padding: 12px;
  border-radius: 8px;
  background: #fff;
}

.paypay-qr img {
  display: block;
  width: min(100%, 320px);
  height: auto;
  border-radius: 6px;
}

.toast {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 20;
  max-width: min(360px, calc(100% - 28px));
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--ink);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px), (hover: none) and (pointer: coarse) {
  body {
    min-width: 0;
  }

  .app-shell {
    width: 100%;
    padding: 12px 8px 30px;
  }

  .welcome-screen {
    padding: 18px 10px;
  }

  .welcome-links,
  .support-links {
    display: grid;
    grid-template-columns: 1fr;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    gap: 8px;
  }

  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    overflow: visible;
  }

  .tab {
    min-height: 40px;
    padding: 8px 4px;
    font-size: clamp(12px, 3.4vw, 14px);
    line-height: 1.15;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: 30px;
  }

  .topbar-title {
    grid-template-columns: 1fr;
    align-items: start;
    width: 100%;
  }

  .topbar-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
  }

  .topbar-actions .small-button {
    width: 100%;
  }

  .install-button {
    width: 100%;
  }

  .grid.two,
  .card-head {
    grid-template-columns: 1fr;
    display: grid;
    width: 100%;
  }

  .card-head > div {
    width: 100%;
  }

  .panel,
  .message-card,
  .dialog-card {
    padding: 12px;
  }

  .card {
    padding: 12px;
  }

  .person-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto auto;
    gap: 6px;
    padding: 8px;
  }

  .person-card .small-button {
    min-height: 30px;
    padding: 4px 7px;
  }

  .person-name,
  .person-display,
  .person-contact {
    font-size: 12px;
  }

  .section-head {
    display: grid;
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .section-actions {
    display: grid;
    grid-template-columns: 1fr;
    justify-content: stretch;
    width: 100%;
  }

  .section-actions > *,
  .section-head > .small-button {
    width: 100%;
    justify-content: center;
    min-width: 0;
  }

  .section-actions > :only-child {
    grid-column: 1 / -1;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .reservation-row {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .reservation-main {
    width: 100%;
    min-width: 0;
  }

  .reservation-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    width: 100%;
  }

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

  .reservation-row-controls,
  .reservation-meta-controls,
  .reservation-action-controls {
    width: 100%;
  }

  .reservation-row-controls {
    grid-template-columns: 1fr;
  }

  .reservation-meta-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .self-managed-controls .reservation-meta-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .reservation-action-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reservation-meta-controls .pill,
  .reservation-action-controls .small-button,
  .event-actions > .small-button {
    justify-content: center;
    width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .reservation-meta-controls .pill {
    min-height: 30px;
    padding: 4px 5px;
    font-size: 11px;
    white-space: nowrap;
  }

  .shop-count {
    grid-column: 1 / -1;
    grid-template-columns: auto 34px minmax(0, 1fr) 34px;
    width: 100%;
    min-width: 0;
  }

  .shop-count input {
    min-width: 0;
    width: 100%;
  }

  .count-control {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    width: 100%;
  }

  .name-button {
    min-width: 0;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .link-button,
  .actions > *,
  .file-button {
    width: 100%;
  }

  .count-button,
  .small-button,
  .primary,
  .ghost,
  .file-button {
    min-width: 0;
  }

  input,
  select,
  textarea {
    min-width: 0;
  }

  .about-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}