:root {
  --forest: #073b2c;
  --forest-deep: #03271e;
  --gold: #c7a24c;
  --paper: #f7f0dc;
  --ink: #0a3329;
  --white: #fffdf6;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  min-width: 320px;
  background: var(--forest-deep);
}

body {
  margin: 0;
  background: var(--forest-deep);
  color: var(--white);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.page-shell {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: max(20px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 50% -10%, #17634c 0, #0b4938 26%, var(--forest-deep) 70%);
  background-size: 24px 24px, 24px 24px, auto;
}

.ambient {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(199,162,76,.2);
  border-radius: 50%;
  pointer-events: none;
}

.ambient::before, .ambient::after {
  position: absolute;
  inset: 26px;
  border: 1px solid rgba(199,162,76,.12);
  border-radius: inherit;
  content: "";
}

.ambient::after { inset: 58px; }
.ambient-one { top: -210px; right: -180px; }
.ambient-two { bottom: -260px; left: -200px; }

.site-header, .ticket-card, .install-card, .page-footer {
  position: relative;
  z-index: 1;
  width: min(100%, 920px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: .68rem;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.35rem, 5.8vw, 2.3rem);
  font-weight: 600;
  letter-spacing: .13em;
}

.ticket-number {
  flex: 0 0 auto;
  padding-bottom: 3px;
  color: rgba(255,253,246,.72);
  font-family: Georgia, serif;
  font-size: .78rem;
  letter-spacing: .08em;
}

.ticket-card {
  overflow: hidden;
  border: 1px solid rgba(224,190,107,.64);
  border-radius: 20px;
  background: var(--paper);
  box-shadow: 0 24px 75px rgba(0,16,11,.46), 0 2px 0 rgba(255,255,255,.18) inset;
}

.ticket-visual {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #f8f0d9;
}

.ticket-art {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.name-field {
  position: absolute;
  top: 55.3%;
  left: 22%;
  width: 62.2%;
  height: clamp(38px, 5.3vw, 54px);
}

.name-field input {
  width: 100%;
  height: 100%;
  padding: 0 clamp(12px, 2.4vw, 24px);
  border: 1px solid rgba(12,64,49,.82);
  border-radius: 8px 8px 3px 3px;
  outline: none;
  background: rgba(255,252,238,.94);
  box-shadow: 0 3px 10px rgba(27,55,41,.16), inset 0 -2px 0 var(--forest);
  color: var(--ink);
  font-size: clamp(.92rem, 2.45vw, 1.35rem);
  font-weight: 700;
  letter-spacing: .08em;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.name-field input::placeholder {
  color: rgba(10,51,41,.53);
  font-weight: 500;
  letter-spacing: .03em;
}

.name-field input:focus-visible {
  box-shadow: 0 0 0 4px rgba(199,162,76,.38), inset 0 -2px 0 var(--forest);
  transform: translateY(-1px);
}

.name-field input:disabled {
  opacity: .92;
  -webkit-text-fill-color: var(--ink);
}

.ticket-controls {
  position: relative;
  padding: 20px;
  border-top: 1px solid rgba(153,120,52,.35);
  background: radial-gradient(circle at 0 0, rgba(199,162,76,.16), transparent 34%), var(--paper);
  color: var(--ink);
}

.form-guidance {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.form-guidance p {
  margin: 0;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .03em;
}

.step-badge {
  display: grid;
  flex: 0 0 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--forest);
  color: #f2d88c;
  font-family: Georgia, serif;
  font-size: .82rem;
}

.redeem-button {
  display: flex;
  width: 100%;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 22px;
  border: 1px solid #2e735b;
  border-radius: 12px;
  background: linear-gradient(135deg, #0c513d, var(--forest));
  box-shadow: 0 7px 0 #03281e, 0 12px 24px rgba(5,47,35,.2);
  color: #fff9e8;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .08em;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}

.redeem-button span {
  color: #e5c56e;
  font-family: Arial, sans-serif;
  font-size: 1.35rem;
}

.redeem-button:hover:not(:disabled) { background: linear-gradient(135deg, #126148, #0a422f); }

.redeem-button:active:not(:disabled) {
  transform: translateY(5px);
  box-shadow: 0 2px 0 #03281e, 0 5px 12px rgba(5,47,35,.2);
}

.redeem-button:focus-visible, .cancel-button:focus-visible, .confirm-button:focus-visible {
  outline: 3px solid #d3ac4e;
  outline-offset: 3px;
}

.redeem-button:disabled {
  box-shadow: none;
  cursor: not-allowed;
  opacity: .42;
}

.caution {
  margin: 16px 4px 0;
  color: rgba(10,51,41,.68);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .7rem;
  line-height: 1.6;
  text-align: center;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 15px;
  color: rgba(255,253,246,.57);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .68rem;
  letter-spacing: .04em;
}

.install-card {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid rgba(224,190,107,.4);
  border-radius: 14px;
  background: rgba(255,253,246,.08);
  color: var(--white);
  cursor: pointer;
  text-align: left;
  transition: background 150ms ease, transform 150ms ease;
}

.install-card:hover { background: rgba(255,253,246,.13); }
.install-card:active { transform: scale(.99); }

.install-card:focus-visible {
  outline: 3px solid #d3ac4e;
  outline-offset: 3px;
}

.install-card img {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 1px solid rgba(231,202,125,.68);
  border-radius: 10px;
  object-fit: cover;
}

.install-copy {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 3px;
}

.install-copy strong {
  font-size: .83rem;
  letter-spacing: .06em;
}

.install-copy small {
  overflow: hidden;
  color: rgba(255,253,246,.58);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.install-chevron {
  color: var(--gold);
  font-family: Arial, sans-serif;
  font-size: 1.7rem;
  line-height: 1;
}

.used-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: rgba(3,39,30,.72);
  backdrop-filter: grayscale(.42) blur(1px);
  color: #fff9e8;
}

.used-overlay p {
  margin: 18px 0 0;
  font-size: clamp(.85rem, 2.7vw, 1.28rem);
  font-weight: 700;
  letter-spacing: .12em;
}

.used-stamp {
  padding: clamp(10px,2vw,18px) clamp(20px,4.7vw,44px);
  border: clamp(3px,.6vw,6px) double #f0d482;
  border-radius: 12px;
  color: #f6df9f;
  font-size: clamp(1.65rem,6.8vw,4rem);
  font-weight: 800;
  letter-spacing: .14em;
  text-shadow: 0 2px 8px rgba(0,0,0,.22);
  transform: rotate(-5deg);
}

.used-details {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 70px;
}

.check-mark {
  display: grid;
  flex: 0 0 46px;
  height: 46px;
  place-items: center;
  border-radius: 50%;
  background: var(--forest);
  color: #f0d482;
  font-family: Arial, sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
}

.used-title {
  margin: 0 0 7px;
  font-size: .98rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.used-time {
  margin: 0;
  color: rgba(10,51,41,.66);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .73rem;
}

.dialog-backdrop {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: end center;
  padding: 18px 18px max(18px, env(safe-area-inset-bottom));
  background: rgba(0,20,14,.75);
  backdrop-filter: blur(6px);
  animation: fade-in 160ms ease-out;
}

.confirm-dialog {
  width: min(100%,460px);
  padding: 26px 22px 22px;
  border: 1px solid rgba(219,180,82,.78);
  border-radius: 20px;
  background: #fff9e9;
  box-shadow: 0 24px 70px rgba(0,0,0,.38);
  color: var(--ink);
  text-align: center;
  animation: slide-up 220ms ease-out;
}

.dialog-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  place-items: center;
  border: 1px solid #d2ad55;
  border-radius: 50%;
  background: var(--forest);
  color: #f5d986;
  font-size: 1.05rem;
  font-weight: 700;
}

.dialog-kicker {
  margin: 0 0 6px;
  color: #a37b22;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
}

.confirm-dialog h2 {
  margin: 0 0 14px;
  font-size: 1.25rem;
  letter-spacing: .04em;
}

.confirm-dialog > p:not(.dialog-kicker) {
  margin: 7px 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .86rem;
  line-height: 1.65;
}

.dialog-warning { color: #814737; }

.install-dialog-icon {
  display: block;
  width: 68px;
  height: 68px;
  margin: 0 auto 14px;
  border: 2px solid #d2ad55;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(7,59,44,.22);
  object-fit: cover;
}

.install-steps {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.install-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(10,51,41,.12);
  border-radius: 10px;
  background: rgba(7,59,44,.045);
}

.install-steps li > span {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--forest);
  color: #f5d986;
  font-family: Georgia, serif;
  font-size: .78rem;
}

.install-steps p {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .78rem;
  line-height: 1.55;
}

.install-close {
  width: 100%;
  margin-top: 16px;
}

.dialog-actions {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 10px;
  margin-top: 22px;
}

.cancel-button, .confirm-button {
  min-height: 52px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: .05em;
}

.cancel-button {
  border: 1px solid rgba(10,51,41,.28);
  background: transparent;
  color: var(--ink);
}

.confirm-button {
  border: 1px solid #2b6f56;
  background: var(--forest);
  color: #fff9e8;
}

.submit-error {
  margin: 12px 0 0 !important;
  padding: 9px 11px;
  border-radius: 8px;
  background: #f7e0d8;
  color: #8a3526;
  font-weight: 700;
}

.admin-shell {
  min-height: 100svh;
  padding: max(24px, env(safe-area-inset-top)) 18px max(28px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 5% 0, rgba(199,162,76,.14), transparent 32%),
    linear-gradient(145deg, #073b2c, #021d17 70%);
  color: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.admin-header,
.admin-summary,
.admin-panel {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.admin-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.admin-header h1 {
  margin: 2px 0 6px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  letter-spacing: .1em;
}

.admin-identity {
  margin: 0;
  color: rgba(255,253,246,.58);
  font-size: .72rem;
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: 9px;
}

.admin-nav a,
.admin-primary-link,
.admin-secondary-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid rgba(224,190,107,.4);
  border-radius: 9px;
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  text-decoration: none;
}

.admin-nav a:hover { background: rgba(255,255,255,.08); }

.admin-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 12px;
  margin-bottom: 14px;
}

.admin-summary > div {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 6px;
  min-height: 82px;
  padding: 17px 19px;
  border: 1px solid rgba(224,190,107,.24);
  border-radius: 14px;
  background: rgba(255,255,255,.055);
}

.admin-summary span {
  align-self: center;
  color: rgba(255,253,246,.65);
  font-size: .76rem;
}

.admin-summary strong {
  color: #f2d88c;
  font-family: Georgia, serif;
  font-size: 2.15rem;
  line-height: 1;
}

.admin-summary small { color: rgba(255,253,246,.55); }

.admin-summary button,
.admin-reset-button {
  min-height: 42px;
  border: 1px solid rgba(224,190,107,.48);
  border-radius: 9px;
  background: rgba(255,255,255,.08);
  color: var(--white);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
}

.admin-summary button { min-width: 76px; padding: 0 16px; }

.admin-summary button:hover:not(:disabled),
.admin-reset-button:hover:not(:disabled) { background: rgba(199,162,76,.2); }

.admin-summary button:disabled,
.admin-reset-button:disabled { cursor: not-allowed; opacity: .38; }

.admin-panel {
  overflow: hidden;
  border: 1px solid rgba(224,190,107,.45);
  border-radius: 18px;
  background: #fffaf0;
  box-shadow: 0 22px 65px rgba(0,0,0,.28);
  color: var(--ink);
}

.admin-panel-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(10,51,41,.12);
}

.admin-panel-heading h2 { margin: 2px 0 0; font-family: "Yu Mincho", serif; letter-spacing: .08em; }
.admin-panel-heading > p { max-width: 480px; margin: 0; color: rgba(10,51,41,.58); font-size: .7rem; line-height: 1.55; }

.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.admin-table th {
  padding: 12px 16px;
  background: rgba(7,59,44,.055);
  color: rgba(10,51,41,.58);
  font-size: .66rem;
  letter-spacing: .05em;
  text-align: left;
  white-space: nowrap;
}
.admin-table td { padding: 15px 16px; border-top: 1px solid rgba(10,51,41,.09); white-space: nowrap; }
.admin-table tbody tr:hover { background: rgba(199,162,76,.055); }

.admin-status {
  display: inline-flex;
  min-width: 82px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: .67rem;
  font-weight: 800;
}
.admin-status.used { background: #deeee8; color: #126048; }
.admin-status.reset { background: #ece9df; color: #756e5e; }
.admin-reset-button { min-width: 108px; padding: 0 13px; background: var(--forest); }
.admin-action-cell { text-align: right; }

.admin-empty { padding: 54px 24px; color: rgba(10,51,41,.54); text-align: center; }
.admin-error { margin: 16px 24px; padding: 11px 13px; border-radius: 9px; background: #f7e0d8; color: #8a3526; font-size: .76rem; font-weight: 700; }

.admin-centered { display: grid; place-items: center; }
.admin-access-card {
  width: min(100%, 460px);
  padding: 34px 28px;
  border: 1px solid rgba(224,190,107,.5);
  border-radius: 20px;
  background: #fffaf0;
  box-shadow: 0 22px 65px rgba(0,0,0,.28);
  color: var(--ink);
  text-align: center;
}
.admin-access-card h1 { margin: 7px 0 12px; font-family: "Yu Mincho", serif; font-size: 1.35rem; }
.admin-access-card > p:not(.dialog-kicker) { margin: 0 0 22px; color: rgba(10,51,41,.62); font-size: .78rem; }
.admin-lock { display: grid; width: 54px; height: 54px; margin: 0 auto 14px; place-items: center; border-radius: 50%; background: var(--forest); color: #f2d88c; font-family: "Yu Mincho", serif; }
.admin-primary-link { width: 100%; background: var(--forest); }
.admin-secondary-link { width: 100%; margin-top: 9px; border-color: rgba(10,51,41,.18); color: var(--ink); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 700px) {
  .page-shell { display: grid; align-content: center; padding: 38px; }
  .site-header { margin-bottom: 22px; }
  .ticket-card { border-radius: 26px; }
  .ticket-controls { padding: 24px 28px 26px; }
  .ticket-controls form {
    display: grid;
    grid-template-columns: 1fr minmax(320px,.8fr);
    align-items: center;
    gap: 14px 28px;
  }
  .form-guidance { margin: 0; }
  .caution { grid-column: 1 / -1; margin-top: 2px; }
  .dialog-backdrop { place-items: center; }
}

@media (max-width: 430px) {
  .page-shell { padding-inline: 12px; }
  .site-header { padding-inline: 3px; }
  .ticket-card { border-radius: 16px; }
  .ticket-controls { padding: 18px 16px 20px; }
  .page-footer { flex-direction: column; align-items: center; gap: 4px; }
}

@media (max-width: 600px) {
  .name-field {
    top: 54.9%;
    height: clamp(24px, 5.8vw, 32px);
  }
  .name-field input {
    padding-inline: 10px;
    font-size: 1rem;
    line-height: 1;
  }
}

@media (max-width: 760px) {
  .admin-shell { padding-inline: 12px; }
  .admin-header { align-items: flex-start; flex-direction: column; }
  .admin-nav { width: 100%; }
  .admin-nav a { flex: 1; }
  .admin-summary { grid-template-columns: 1fr 1fr; }
  .admin-summary > div { grid-template-columns: 1fr; gap: 2px; min-height: 96px; }
  .admin-summary span { align-self: auto; }
  .admin-summary small { display: none; }
  .admin-summary button { grid-column: 1 / -1; }
  .admin-panel-heading { align-items: flex-start; flex-direction: column; }
  .admin-table, .admin-table tbody, .admin-table tr, .admin-table td { display: block; }
  .admin-table thead { display: none; }
  .admin-table tr { padding: 12px 15px; border-top: 1px solid rgba(10,51,41,.1); }
  .admin-table td { display: flex; justify-content: space-between; gap: 18px; padding: 7px 0; border: 0; white-space: normal; text-align: right; }
  .admin-table td::before { content: attr(data-label); color: rgba(10,51,41,.5); font-size: .65rem; font-weight: 700; text-align: left; }
  .admin-action-cell { padding-top: 12px !important; }
  .admin-action-cell::before { content: "" !important; }
  .admin-reset-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}