:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #5f6f82;
  --line: #d8e0e8;
  --soft: #f4f7fa;
  --accent: #10243e;
  --accent-strong: #0d3154;
  --gold: #c9a24f;
  --danger: #b42318;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, "Yu Gothic", Meiryo, sans-serif;
  background:
    linear-gradient(180deg, rgba(245,247,250,.9), rgba(236,242,247,.88)),
    url("https://tecnest.biz/wp-content/uploads/2026/06/top-bg-business-grid-20260612.jpg") center top / cover fixed;
  color: var(--ink);
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 12px 0 4px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

h1, h2 { margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.35; }
p { color: var(--muted); line-height: 1.65; }

.topbar h1 {
  animation: panelIn .55s ease both;
}

.panel {
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: 0 18px 46px rgba(16, 36, 62, .10);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: panelIn .55s ease both;
}

.form, .settings {
  display: grid;
  gap: 12px;
}

.auth-stack {
  display: grid;
  gap: 16px;
}

.auth-hero {
  overflow: hidden;
}

.auth-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.hero-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(16,36,62,.12);
  box-shadow: 0 18px 38px rgba(16,36,62,.16);
}

.auth-form-main {
  grid-template-columns: minmax(220px, 1fr) minmax(180px, .8fr) auto;
  align-items: end;
}

.register-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
}

.register-form {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  max-width: 100%;
  margin-bottom: 14px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201,162,79,.18);
}

.mini-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
}

.mini-steps li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: rgba(255,255,255,.74);
}

.mini-steps b {
  display: block;
  font-size: 14px;
  margin-bottom: 3px;
}

.mini-steps span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.sample-gallery {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.sample-card {
  display: grid;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.sample-card:hover {
  border-color: var(--gold);
  box-shadow: 0 10px 22px rgba(16,36,62,.13);
}

.sample-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid #e5ebf2;
  border-radius: 6px;
  background: #f8fafc;
}

.sample-card span {
  font-weight: 800;
  font-size: 14px;
}

.sample-card small,
.sample-empty {
  color: var(--muted);
  line-height: 1.55;
}

.auth-note {
  margin: 12px 0 0;
  font-size: 13px;
}

.settings {
  grid-template-columns: minmax(220px, .7fr) minmax(260px, 1fr);
  margin: 18px 0;
}

label {
  display: grid;
  gap: 6px;
  color: #334e68;
  font-size: 13px;
  font-weight: 700;
}

label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #bcccdc;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  transition: box-shadow .18s ease, background .18s ease;
}

button:hover:not(:disabled) {
  box-shadow: 0 10px 22px rgba(16,36,62,.18);
}

button.is-loading {
  color: transparent;
  pointer-events: none;
}

button.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.38);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .72s linear infinite;
}

button.secondary.is-loading::after,
button.ghost.is-loading::after {
  border-color: rgba(16,36,62,.20);
  border-top-color: var(--accent);
}

button.secondary {
  background: #fff;
  color: var(--accent-strong);
}

button.ghost {
  background: #fff;
  border-color: #bcccdc;
  color: #52606d;
}

button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

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

.output-links {
  margin-top: 12px;
  border: 1px solid #c7d2e1;
  border-radius: 8px;
  background: #f8fafc;
  padding: 12px;
}

.output-links__head {
  display: grid;
  gap: 3px;
  margin-bottom: 10px;
}

.output-links__head span {
  color: var(--muted);
  font-size: 12px;
}

.output-links__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--accent-strong);
  background: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button-link.primary-link {
  color: #fff;
  background: var(--accent);
}

.button-link.ghost-link {
  border-color: #bcccdc;
  color: #52606d;
}

.account {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
  display: grid;
  gap: 8px;
  justify-items: end;
}

.account-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hidden { display: none; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.stats > div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.stats b {
  font-size: 22px;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr)) auto;
  gap: 12px;
  align-items: end;
}

.account-actions {
  align-self: end;
}

.history-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.history-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.history-head h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

.history-head p {
  margin: 3px 0 0;
  font-size: 12px;
}

.output-history {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255,255,255,.78);
}

.history-item b,
.history-item span {
  display: block;
}

.history-item b {
  margin-bottom: 4px;
}

.history-item span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.history-item.is-expired {
  opacity: .7;
}

.history-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.history-links a,
.history-expired {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid #bcccdc;
  border-radius: 7px;
  padding: 6px 9px;
  background: #fff;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.history-expired {
  color: var(--muted);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.input-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 16px;
}

.input-table th, .input-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px;
}

.input-table th {
  color: #334e68;
  background: var(--soft);
  text-align: left;
  font-size: 13px;
}

.input-table td:last-child { width: 56px; }
.input-table button { min-height: 36px; padding: 6px 10px; }

.result-box {
  min-height: 100px;
  border: 1px dashed #bcccdc;
  border-radius: 6px;
  padding: 16px;
  margin: 14px 0;
  background: #fbfdff;
}

.input-note {
  margin: 2px 0 0;
  font-size: 12px;
}

.result-loading {
  min-height: 88px;
  display: grid;
  place-items: center;
  gap: 8px;
  color: var(--accent);
  text-align: center;
}

.result-loading span {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(16,36,62,.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .72s linear infinite;
}

.result-loading small {
  display: block;
  color: var(--muted);
  font-weight: 600;
}

.result-error {
  color: var(--danger);
  font-weight: 800;
  line-height: 1.7;
  white-space: pre-line;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.result-grid div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}

.result-grid span {
  color: var(--muted);
  font-size: 12px;
}

.result-grid b {
  display: block;
  font-size: 20px;
  margin-top: 4px;
}

.message {
  min-height: 24px;
  color: var(--danger);
  font-weight: 700;
}

.inline-message {
  margin: 8px 0 0;
}

.billing-note {
  margin: 12px 0 0;
  font-size: 13px;
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

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

.legal h1 {
  margin-bottom: 20px;
}

.legal h2 {
  margin-top: 26px;
  font-size: 21px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  background: #fff;
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--line);
  padding: 12px;
  vertical-align: top;
  text-align: left;
}

.legal-table th {
  width: 220px;
  background: var(--soft);
}

@media (max-width: 760px) {
  .topbar, .panel-head { align-items: flex-start; flex-direction: column; }
  .auth-hero-grid, .auth-form-main, .register-form, .settings, .stats, .result-grid, .mini-steps, .account-grid, .sample-gallery { grid-template-columns: 1fr; }
  .topbar h1 { white-space: normal; }
  .account { text-align: left; justify-items: start; }
  .hero-image { aspect-ratio: 4 / 3; }
  .history-head,
  .history-item {
    grid-template-columns: 1fr;
  }
  .history-links {
    justify-content: flex-start;
  }
  .input-table,
  .input-table tbody,
  .input-table tr,
  .input-table td {
    display: block;
    width: 100%;
  }
  .input-table thead {
    display: none;
  }
  .input-table tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    margin: 10px 0;
    background: rgba(255,255,255,.8);
  }
  .input-table td {
    border: 0;
    padding: 0;
  }
  .input-table td:first-child {
    grid-column: 1 / -1;
  }
  .input-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
  }
  .input-table td:last-child {
    width: 100%;
  }
  .input-table td:last-child button {
    width: 100%;
  }
  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
  }
}

@keyframes caretBlink {
  50% { border-color: transparent; }
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}