:root {
  --bg: #050505;
  --bg-2: #140d0a;
  --panel: #151210;
  --line: #4e3525;
  --text: #f8f0e6;
  --muted: #ceb9a2;
  --accent: #ffad33;
  --accent-2: #ff5b2e;
  --accent-3: #ffd27d;
  --error: #ff6f86;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background:
    radial-gradient(circle at 16% -8%, #4a1709 0%, #130b08 36%, #050505 100%),
    linear-gradient(135deg, #070606 0%, #0d0907 100%);
  color: var(--text);
}

.page {
  width: min(960px, calc(100% - 28px));
  margin: 18px auto 36px;
  display: grid;
  gap: 14px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(24, 18, 14, 0.95), rgba(13, 11, 10, 0.95));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

.hero {
  padding: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.9vw, 2.35rem);
  letter-spacing: 0.02em;
  color: #fff3df;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.panel {
  padding: 16px;
}

.panel h2 {
  margin: 0 0 8px;
  color: #ffe8cb;
}

.muted {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.primary-btn,
.ghost-btn {
  border-radius: 11px;
  padding: 11px 15px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
}

.primary-btn {
  margin-top: 12px;
  border: 1px solid #ffb369;
  color: #2f1408;
  background: linear-gradient(125deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 24px rgba(255, 97, 46, 0.35);
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(255, 97, 46, 0.45);
}

.primary-btn:disabled {
  opacity: 0.58;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.ghost-btn {
  border: 1px solid #6a4732;
  color: #ffdeba;
  background: linear-gradient(180deg, #241a13, #18120e);
}

.ghost-btn:hover {
  border-color: #8d6142;
  transform: translateY(-1px);
}

.user-bar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #1b1511, #120f0d);
}

.wallet {
  display: grid;
  text-align: right;
}

.wallet strong {
  color: var(--accent-3);
  font-size: 1.9rem;
  text-shadow: 0 0 16px rgba(255, 190, 90, 0.2);
}

.actions {
  display: flex;
  gap: 8px;
}

.game-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #1a140f, #100d0b);
}

.flash {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #755338;
  background: rgba(36, 24, 17, 0.92);
}

.flash.error {
  border-color: #9a3148;
  color: #ffd8de;
  background: rgba(75, 20, 31, 0.88);
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: grid;
  place-items: center;
  padding: 14px;
  z-index: 50;
}

.modal-card {
  width: min(920px, 100%);
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #18120e, #0f0c0a);
  padding: 14px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.modal-head h3 {
  margin: 0;
  color: #ffe8cb;
}

.invader-wrap {
  display: grid;
  gap: 10px;
}

.invader-info {
  margin: 0;
  color: var(--muted);
}

#invaderCanvas {
  width: min(100%, 820px);
  aspect-ratio: 16 / 9;
  max-width: 820px;
  border: 1px solid #6f4b35;
  border-radius: 10px;
  background: #060505;
}

.mobile-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mobile-controls button {
  min-width: 76px;
  border: 1px solid #7d5439;
  color: #ffe2bf;
  background: linear-gradient(160deg, #2a1c13, #1b130e);
  border-radius: 9px;
  padding: 9px 13px;
  font-weight: 700;
}

.mobile-controls button:hover {
  border-color: #a06b47;
}

.legal-links {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.legal-links a,
.back-link {
  display: inline-block;
  border: 1px solid #7c5638;
  border-radius: 999px;
  padding: 8px 12px;
  color: #ffe2bf;
  text-decoration: none;
  font-size: 0.86rem;
  background: linear-gradient(180deg, #261a12, #16100c);
}

.legal-links a:hover,
.back-link:hover {
  border-color: #a26e46;
}

.legal-page {
  width: min(960px, calc(100% - 28px));
  margin: 18px auto 36px;
}

.legal-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(24, 18, 14, 0.96), rgba(13, 11, 10, 0.96));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  padding: 18px;
}

.legal-card h1 {
  margin: 0 0 14px;
  color: #fff1db;
}

.legal-card h2 {
  margin: 18px 0 8px;
  color: #ffd8ab;
  font-size: 1.05rem;
}

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

.legal-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.legal-note {
  margin-top: 18px !important;
  margin-bottom: 12px !important;
  color: #e6c59d !important;
}

.tokusho-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}

.tokusho-table th,
.tokusho-table td {
  border: 1px solid #6a4732;
  padding: 10px;
  vertical-align: top;
  text-align: left;
  line-height: 1.6;
  color: var(--muted);
}

.tokusho-table th {
  width: 220px;
  color: #ffe0ba;
  background: rgba(43, 28, 18, 0.65);
}

@media (max-width: 780px) {
  .user-bar {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .wallet {
    text-align: left;
  }

  .actions {
    flex-wrap: wrap;
  }

  .tokusho-table th {
    width: 140px;
  }
}
.guide-text {
  margin-top: 10px;
}

.guide-list {
  margin: 10px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  line-height: 1.55;
}

.legal-links a {
  padding: 5px 9px;
  font-size: 0.74rem;
}
.purchase-page-wrap {
  gap: 18px;
}

.purchase-page-wrap .hero {
  padding: 22px 24px;
  border-color: #2a3757;
  background:
    radial-gradient(circle at 12% -30%, rgba(94, 141, 255, 0.28), transparent 48%),
    radial-gradient(circle at 92% 130%, rgba(14, 237, 255, 0.2), transparent 42%),
    linear-gradient(165deg, #111623 0%, #0b0f19 100%);
}

.purchase-page-wrap .hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  letter-spacing: 0.04em;
  color: #eef5ff;
}

.purchase-page-wrap .panel {
  border-color: #25314d;
  background: linear-gradient(165deg, rgba(17, 23, 36, 0.94), rgba(9, 12, 20, 0.96));
}

.purchase-page-wrap .panel h2 {
  color: #e7f1ff;
}

.purchase-login-panel {
  position: relative;
  overflow: hidden;
}

.purchase-login-panel::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 128, 255, 0.23), rgba(71, 128, 255, 0));
  pointer-events: none;
}

.purchase-login-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.purchase-page-wrap .primary-btn {
  margin-top: 0;
  border: 1px solid #79baff;
  color: #f2fbff;
  background: linear-gradient(125deg, #2f53ff 0%, #1580ff 52%, #17c1ff 100%);
  box-shadow: 0 14px 30px rgba(22, 115, 255, 0.34);
}

.purchase-page-wrap .primary-btn:hover {
  box-shadow: 0 18px 36px rgba(20, 129, 255, 0.45);
}

.purchase-page-wrap .ghost-btn {
  border: 1px solid #4d6295;
  color: #deecff;
  background: linear-gradient(170deg, #1b2640, #10182a);
}

.purchase-user-state {
  margin-top: 12px;
  color: #b8c7e1;
}

.purchase-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.price-card {
  --card-line: #344572;
  --card-top: rgba(87, 126, 230, 0.24);
  --card-bottom: #0f1626;
  --kind-bg: rgba(111, 144, 240, 0.2);
  --kind-line: #6f90f0;
  --button-border: rgba(160, 211, 255, 0.58);
  --button-start: #3054ff;
  --button-end: #16b8ff;
  border: 1px solid var(--card-line);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--card-top) 0%, var(--card-bottom) 100%);
  padding: 14px 14px 16px;
  display: grid;
  gap: 8px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 16px 34px rgba(2, 6, 18, 0.56),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.price-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0) 42%);
  pointer-events: none;
}

.price-kind {
  margin: 0;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--kind-line);
  background: var(--kind-bg);
  color: #eaf3ff;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.price-card h3 {
  margin: 0;
  color: #f4f9ff;
  font-size: 1.16rem;
}

.price-card .muted {
  color: #c1d3f4;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.price-note {
  margin: 2px 0 8px;
  color: #ffffff;
  font-size: 1.52rem;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.plan-buy-btn {
  width: 100%;
  margin-top: auto;
  border-radius: 12px;
  border: 1px solid var(--button-border);
  background: linear-gradient(120deg, var(--button-start), var(--button-end));
  color: #eef9ff;
  font-weight: 900;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 24px rgba(20, 102, 255, 0.35);
}

.plan-buy-btn:hover {
  box-shadow: 0 16px 30px rgba(20, 130, 255, 0.45);
}

.plan-buy-btn:disabled {
  border-color: #455273;
  color: #a8b5cd;
  background: linear-gradient(150deg, #2a334a, #1b253a);
  box-shadow: none;
}

.price-card--500 {
  --card-line: #4b63b4;
  --card-top: rgba(74, 106, 226, 0.3);
  --kind-bg: rgba(91, 125, 240, 0.24);
  --kind-line: #8aa7ff;
  --button-start: #3759ff;
  --button-end: #2c9dff;
}

.price-card--1000 {
  --card-line: #5f4ec2;
  --card-top: rgba(116, 89, 228, 0.3);
  --kind-bg: rgba(150, 117, 255, 0.24);
  --kind-line: #b69dff;
  --button-start: #5f4ee8;
  --button-end: #9871ff;
}

.price-card--2000 {
  --card-line: #2f8a87;
  --card-top: rgba(41, 151, 141, 0.3);
  --kind-bg: rgba(77, 202, 193, 0.2);
  --kind-line: #73d8cf;
  --button-start: #258c8d;
  --button-end: #1bc5ab;
}

.price-card--5000 {
  --card-line: #8e5f2d;
  --card-top: rgba(196, 127, 43, 0.3);
  --kind-bg: rgba(224, 166, 78, 0.2);
  --kind-line: #f2be71;
  --button-start: #ba6f1c;
  --button-end: #e09f2c;
}

@media (max-width: 980px) {
  .purchase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .purchase-page-wrap .hero {
    padding: 18px 16px;
  }

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

  .purchase-page-wrap .primary-btn,
  .purchase-page-wrap .ghost-btn {
    width: 100%;
  }

  .purchase-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .price-note {
    font-size: 1.38rem;
  }
}