:root {
  color-scheme: light;
  --paper: #f4efe5;
  --paper-deep: #e8dfd0;
  --panel: #fffdf7;
  --ink: #293437;
  --muted: #687375;
  --blue: #2c4657;
  --blue-2: #47748b;
  --blue-soft: #dce8ed;
  --orange: #c86b3d;
  --orange-soft: #f2d8c6;
  --green: #39715c;
  --green-soft: #d9e9df;
  --amber: #d59b38;
  --amber-soft: #f4e5bb;
  --red: #a74740;
  --red-soft: #f1d6d2;
  --line: #c8baa6;
  --line-dark: #8c8173;
  --dark: #283130;
  --shadow: 0 13px 30px rgb(41 52 55 / 11%);
  font-family: "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

a {
  color: #315f78;
  text-underline-offset: 0.22em;
}

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

button,
.button-link {
  border: 1px solid var(--blue);
  border-radius: 0.45rem;
  padding: 0.68rem 0.95rem;
  color: white;
  background: var(--blue);
  box-shadow: 0 3px 0 #1d323e;
  cursor: pointer;
  font-weight: 780;
  text-decoration: none;
}

button:hover:not(:disabled),
.button-link:hover {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

[name="website"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.skip-link {
  position: fixed;
  z-index: 40;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 0.8rem;
  color: white;
  background: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-header,
footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: block;
  width: 2.1rem;
  height: 2.1rem;
  border: 2px solid var(--blue);
  border-radius: 0.35rem;
  background: var(--panel);
}

.brand-mark i {
  position: absolute;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 0.25rem;
  background: var(--blue);
}

.brand-mark i:first-child {
  left: 0.55rem;
}

.brand-mark i:last-child {
  right: 0.55rem;
  background: var(--orange);
}

.site-header nav {
  display: flex;
  gap: 1rem;
}

.site-header nav a {
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
}

main {
  width: min(1180px, calc(100% - 2rem));
  min-height: 72vh;
  margin-inline: auto;
  padding: 2.3rem 0 4rem;
}

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

h1 {
  max-width: 24ch;
  margin-bottom: 0.7rem;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.72rem, 3.5vw, 2.25rem);
  line-height: 1.35;
  letter-spacing: 0.035em;
}

h2 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.15rem, 2vw, 1.48rem);
  line-height: 1.45;
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

.eyebrow {
  margin-bottom: 0.35rem;
  color: var(--blue-2);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: 2rem;
  align-items: center;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 42rem;
  color: #48565a;
}

.entrance-preview {
  position: relative;
  min-height: 16rem;
  overflow: hidden;
  border: 1px solid #171d1e;
  border-radius: 0.7rem;
  background: var(--dark);
  box-shadow: var(--shadow);
}

.entrance-preview::before {
  position: absolute;
  inset: 0.55rem;
  border: 1px solid #596160;
  border-radius: 0.35rem;
  content: "";
}

.venue-board {
  position: absolute;
  z-index: 2;
  top: 1.3rem;
  left: 50%;
  display: grid;
  width: 8.6rem;
  justify-items: center;
  padding: 0.65rem;
  border: 1px solid #131918;
  color: #e9efeb;
  background: #37403e;
  box-shadow: inset 0 0 0 1px #5e6865;
  transform: translateX(-50%);
}

.venue-board span {
  color: #7fe0ad;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.venue-board strong {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 1.35rem;
}

.venue-board i {
  width: 100%;
  height: 0.35rem;
  margin-top: 0.35rem;
  background: #6bc28f;
}

.gate-post {
  position: absolute;
  z-index: 2;
  top: 6.8rem;
  bottom: 0;
  width: 4.1rem;
  border: 1px solid #151a1a;
  background: #46504e;
  box-shadow: inset 0 0 0 3px #303837;
}

.left-post {
  left: calc(50% - 6.7rem);
}

.right-post {
  right: calc(50% - 6.7rem);
}

.gate-post span {
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  margin: 1.2rem auto;
  border: 0.22rem solid #202726;
  border-radius: 50%;
  background: #d6ded9;
}

.gate-light {
  position: absolute;
  z-index: 3;
  top: 7.5rem;
  left: 50%;
  display: flex;
  gap: 0.45rem;
  padding: 0.42rem;
  border: 1px solid #151a19;
  border-radius: 999px;
  background: #39423f;
  transform: translateX(-50%);
}

.gate-light i {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: #6ec58f;
}

.gate-light i:nth-child(2) {
  background: #e4ad47;
}

.gate-light i:nth-child(3) {
  background: #7aaac2;
}

.ticket-line {
  position: absolute;
  z-index: 4;
  right: 1.4rem;
  bottom: 1.5rem;
  left: 1.4rem;
  display: flex;
  justify-content: center;
  gap: 0.6rem;
}

.ticket {
  display: grid;
  width: 3.4rem;
  height: 4.2rem;
  place-items: center;
  border: 2px solid #18201f;
  border-radius: 0.3rem;
  color: #264b3c;
  background: #dcece1;
  box-shadow: 0 5px 0 rgb(0 0 0 / 22%);
  font-weight: 850;
}

.ticket-three {
  color: #71551e;
  background: var(--amber-soft);
}

.ticket-four {
  color: #75402d;
  background: var(--orange-soft);
}

.flow-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.7rem;
  align-items: center;
  margin-top: 1.4rem;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: #ebe4d8;
}

.flow-strip article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 0.65rem;
  align-items: center;
  padding: 0.55rem;
  border: 1px solid #c9bdac;
  border-radius: 0.35rem;
  background: var(--panel);
}

.flow-strip b,
.flow-strip small {
  display: block;
}

.flow-strip small {
  color: var(--muted);
  font-size: 0.7rem;
}

.flow-arrow {
  color: var(--orange);
  font-weight: 900;
}

.flow-icon {
  position: relative;
  grid-row: 1 / 3;
  display: block;
  width: 2.2rem;
  height: 2.2rem;
  border: 2px solid var(--blue);
  border-radius: 0.3rem;
  background: var(--blue-soft);
}

.icon-board::before {
  position: absolute;
  inset: 0.5rem 0.35rem;
  border-top: 3px solid var(--blue);
  border-bottom: 3px solid var(--blue);
  content: "";
}

.icon-ticket {
  border-color: var(--green);
  border-radius: 0.3rem 0.8rem 0.3rem 0.8rem;
  background: var(--green-soft);
}

.icon-roster::before,
.icon-roster::after {
  position: absolute;
  left: 0.4rem;
  width: 1.1rem;
  border-top: 3px solid var(--blue);
  content: "";
}

.icon-roster::before {
  top: 0.65rem;
}

.icon-roster::after {
  top: 1.2rem;
}

.create-panel,
.reply-desk,
.roster-board,
.manager-desk {
  padding: clamp(0.95rem, 2.4vw, 1.3rem);
  border: 1px solid var(--line);
  border-top: 0.45rem solid var(--blue);
  border-radius: 0.65rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.create-panel {
  scroll-margin-top: 1rem;
  margin-top: 1rem;
}

.panel-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--paper-deep);
}

.panel-heading h2,
.panel-heading p {
  margin-bottom: 0;
}

.panel-number {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--blue);
  background: var(--paper);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 850;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.field {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  font-size: 0.86rem;
  font-weight: 750;
}

.field-wide {
  grid-column: 1 / -1;
}

.field input,
.field select,
.field textarea,
.notice-form textarea {
  width: 100%;
  border: 1px solid #9d927f;
  border-radius: 0.4rem;
  padding: 0.63rem 0.72rem;
  color: var(--ink);
  background: white;
}

.field textarea,
.notice-form textarea {
  min-height: 6.2rem;
  resize: vertical;
}

.check-field {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  font-size: 0.86rem;
  font-weight: 700;
}

.check-field input {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--blue);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  margin-top: 0.9rem;
}

.form-actions small {
  color: var(--muted);
}

.form-message {
  min-height: 1.4rem;
  margin: 0.8rem 0 0;
  color: var(--red);
  font-size: 0.84rem;
  font-weight: 700;
}

.boundary-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.boundary-row article {
  display: flex;
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.boundary-row h2 {
  margin-bottom: 0.15rem;
  font-size: 0.98rem;
}

.boundary-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.boundary-mark {
  display: grid;
  flex: none;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 2px solid var(--orange);
  border-radius: 50%;
  color: var(--orange);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-weight: 850;
}

.event-loading,
.event-error {
  display: grid;
  min-height: 54vh;
  place-items: center;
  align-content: center;
  text-align: center;
}

.door-loader {
  display: block;
  width: 3.7rem;
  height: 4.5rem;
  border: 0.45rem solid var(--blue);
  border-bottom: 0;
  background: var(--blue-soft);
  animation: door-pulse 1.1s ease-in-out infinite alternate;
}

@keyframes door-pulse {
  from {
    transform: scale(0.95);
  }

  to {
    transform: scale(1.03);
  }
}

.event-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: center;
}

.event-sign {
  display: grid;
  width: 8rem;
  min-height: 6.5rem;
  place-items: center;
  align-content: center;
  border: 1px solid #151b1a;
  border-radius: 0.5rem;
  color: white;
  background: var(--dark);
  box-shadow: inset 0 0 0 3px #4c5654;
}

.event-sign span {
  color: #77d8a0;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.event-sign strong {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 1.4rem;
}

.event-sign small {
  color: #b8c2bf;
}

.event-title-block h1 {
  max-width: none;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  color: #4d5b5e;
  font-size: 0.9rem;
  font-weight: 700;
}

.event-meta time::before {
  content: "◷ ";
  color: var(--orange);
}

.event-meta span::before {
  content: "⌂ ";
  color: var(--blue);
}

.capacity-track {
  position: relative;
  height: 1rem;
  margin: 1.1rem 0;
  overflow: visible;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: var(--paper-deep);
}

.capacity-track > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: var(--green);
  transition: width 240ms ease;
}

.capacity-track > span[data-full="true"] {
  background: var(--orange);
}

.gate-pin {
  position: absolute;
  top: -0.35rem;
  right: -0.1rem;
  width: 0.45rem;
  height: 1.55rem;
  background: var(--blue);
}

.event-notice {
  display: flex;
  gap: 0.7rem;
  align-items: start;
  margin-bottom: 1rem;
  padding: 0.8rem;
  border: 1px solid #d5b979;
  border-left: 0.45rem solid var(--amber);
  background: #fff9eb;
}

.event-notice p {
  margin: 0;
  white-space: pre-wrap;
}

.notice-lamp {
  flex: none;
  width: 0.85rem;
  height: 0.85rem;
  margin-top: 0.4rem;
  border: 2px solid #76551d;
  border-radius: 50%;
  background: #f0b84d;
}

.event-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 1rem;
}

.manager-mode .event-grid {
  grid-template-columns: 1fr;
}

.reply-desk {
  border-top-color: var(--green);
}

.roster-board {
  border-top-color: var(--orange);
}

.reply-desk[hidden] {
  display: none;
}

.choice-deck {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin: 0.8rem 0;
  padding: 0.7rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.choice-deck legend {
  padding: 0 0.4rem;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 850;
}

.choice-deck label {
  cursor: pointer;
}

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

.choice-ticket {
  display: grid;
  min-height: 3rem;
  place-items: center;
  border: 2px solid transparent;
  border-radius: 0.35rem;
  font-size: 0.78rem;
  font-weight: 850;
}

.attending-ticket {
  color: #285844;
  background: var(--green-soft);
}

.interested-ticket {
  color: #755617;
  background: var(--amber-soft);
}

.declined-ticket {
  color: #616967;
  background: #e4e8e5;
}

.choice-deck input:checked + .choice-ticket {
  border-color: currentColor;
  box-shadow: inset 0 -0.3rem 0 rgb(255 255 255 / 45%);
}

.full-button {
  width: 100%;
  margin-top: 0.75rem;
}

.count-rack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-bottom: 0.8rem;
}

.count-rack > div {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.4rem;
  align-items: center;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.count-rack small {
  color: var(--muted);
}

.count-rack strong {
  font-family: "Cascadia Mono", Consolas, monospace;
}

.count-light {
  width: 0.7rem;
  height: 0.7rem;
  border: 2px solid #465250;
  border-radius: 50%;
}

.attending-light {
  background: #6ec28f;
}

.waiting-light {
  background: #dc8250;
}

.interested-light {
  background: #e6ae45;
}

.roster-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.roster-column {
  min-width: 0;
}

.roster-column h3 {
  padding-bottom: 0.35rem;
  border-bottom: 0.22rem solid var(--green);
}

.roster-column:nth-child(2) h3 {
  border-color: var(--orange);
}

.roster-column:nth-child(3) h3 {
  border-color: var(--amber);
}

.person-slip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 0.45rem;
  padding: 0.48rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: #fffef9;
}

.person-ticket {
  display: grid;
  width: 1.65rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.2rem 0.5rem 0.2rem 0.5rem;
  color: #295844;
  background: var(--green-soft);
  font-size: 0.72rem;
  font-weight: 850;
}

.person-slip[data-choice="waitlisted"] .person-ticket {
  color: #793f28;
  background: var(--orange-soft);
}

.person-slip[data-choice="interested"] .person-ticket {
  color: #775717;
  background: var(--amber-soft);
}

.person-slip[data-choice="declined"] .person-ticket {
  color: #5c6463;
  background: #e2e6e4;
}

.person-slip b,
.person-slip small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}

.person-slip small {
  color: var(--muted);
  font-size: 0.68rem;
}

.person-slip p {
  grid-column: 1 / -1;
  margin: 0.25rem 0 0;
  padding-top: 0.35rem;
  border-top: 1px solid var(--paper-deep);
  overflow-wrap: anywhere;
  color: #4e5b5e;
  font-size: 0.75rem;
  white-space: pre-wrap;
}

.empty-column,
.names-hidden,
.empty-private {
  color: var(--muted);
  font-size: 0.76rem;
}

.event-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.36fr);
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.event-details > div:first-child p:last-child {
  margin-bottom: 0;
  white-space: pre-wrap;
}

.deadline-card {
  display: grid;
  align-content: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-left: 0.4rem solid var(--blue);
  background: var(--paper);
}

.deadline-card span,
.deadline-card time,
.deadline-card a {
  display: block;
}

.deadline-card span {
  color: var(--muted);
  font-size: 0.72rem;
}

.deadline-card time {
  margin-bottom: 0.4rem;
  font-weight: 850;
}

.deadline-card a {
  font-size: 0.78rem;
}

.manager-desk {
  margin-top: 1rem;
  border-top-color: var(--amber);
}

.notice-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: end;
}

.notice-form textarea {
  min-height: 4.8rem;
}

.manager-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.9rem 0;
}

.manager-actions .secondary {
  border-color: var(--line-dark);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 2px 0 var(--line);
}

.manager-actions .danger {
  border-color: var(--red);
  color: var(--red);
  background: white;
  box-shadow: 0 2px 0 var(--red-soft);
}

.private-roster {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.capability-note {
  margin: 0.75rem 0 0;
  color: var(--red);
  font-size: 0.76rem;
}

.share-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: #ebe4d8;
}

.share-strip > div {
  min-width: 0;
  flex: 1;
}

.share-strip b,
.share-strip code {
  display: block;
}

.share-strip code {
  overflow: hidden;
  color: #4d5a5d;
  font-size: 0.74rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--blue);
  background: transparent;
  box-shadow: none;
  font-size: 0.78rem;
  text-decoration: underline;
}

.withdraw-button {
  width: 100%;
  margin-top: 0.65rem;
  color: var(--red);
}

.closed-door {
  position: relative;
  display: block;
  width: 4.2rem;
  height: 5.2rem;
  margin-bottom: 1rem;
  border: 0.42rem solid var(--blue);
  border-bottom: 0;
  background: var(--blue-soft);
}

.closed-door::before {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--orange);
  content: "";
}

.info-page {
  max-width: 920px;
}

.info-heading {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) 1fr;
  gap: 1.3rem;
  align-items: center;
  margin-bottom: 1.4rem;
}

.info-heading .entrance-preview {
  min-height: 12rem;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-cards li {
  display: flex;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.guide-cards li > b {
  display: grid;
  flex: none;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 2px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font-family: "Cascadia Mono", Consolas, monospace;
}

.guide-cards p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.rule-card {
  margin-top: 0.8rem;
  padding: 1rem;
  border: 1px solid #d3b775;
  border-left: 0.45rem solid var(--amber);
  background: #fff9eb;
}

.privacy-heading {
  grid-template-columns: auto 1fr;
}

.small-door {
  width: 3.2rem;
  height: 4rem;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.data-card {
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.data-card.keep {
  border-top: 0.4rem solid var(--green);
}

.data-card.never {
  border-top: 0.4rem solid var(--orange);
}

.data-card ul {
  margin-bottom: 0;
}

.retention-note {
  margin-top: 0.8rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  background: var(--paper-deep);
}

.not-found {
  display: grid;
  min-height: 55vh;
  justify-items: center;
  align-content: center;
  text-align: center;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  padding: 1.1rem 0 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .hero,
  .info-heading,
  .event-grid {
    grid-template-columns: 1fr;
  }

  .event-head {
    grid-template-columns: auto 1fr;
  }

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

@media (max-width: 680px) {
  main {
    padding-top: 1.6rem;
  }

  .flow-strip {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    text-align: center;
    transform: rotate(90deg);
  }

  .boundary-row,
  .form-grid,
  .guide-cards,
  .data-grid,
  .event-details,
  .roster-columns {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

  .event-head {
    align-items: start;
  }

  .event-sign {
    width: 6.5rem;
  }

  .notice-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .entrance-preview {
    min-height: 18rem;
  }

  .ticket-line {
    flex-wrap: wrap;
  }

  .event-head {
    grid-template-columns: 1fr;
  }

  .event-sign {
    width: 100%;
    min-height: 4.8rem;
  }

  .choice-deck,
  .count-rack,
  .private-roster {
    grid-template-columns: 1fr;
  }

  .form-actions,
  .manager-actions,
  .share-strip {
    align-items: stretch;
    flex-direction: column;
  }
}

@media print {
  .site-header,
  footer,
  .reply-desk,
  .manager-actions,
  .notice-form,
  .share-strip,
  .capability-note {
    display: none !important;
  }

  body {
    background: white;
  }

  main {
    width: 100%;
    padding: 0;
  }

  .roster-board,
  .manager-desk,
  .person-slip {
    border-color: #777;
    box-shadow: none;
  }
}