:root {
  --color-text: #05070d;
  --color-muted: #5c6574;
  --color-line: #dbe6f4;
  --color-bg: #f4f8ff;
  --color-brand: #075bff;
  --color-brand-dark: #003eb8;
  --color-accent: #20d4f4;
  --color-warn: #0aa7e8;
  --shadow: 0 18px 42px rgba(7, 91, 255, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.hero,
.section,
.site-footer {
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand,
.nav,
.actions,
.input-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
}

.brand-mark {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.nav {
  gap: 22px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.nav .is-active {
  color: var(--color-brand);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
  align-items: center;
  min-height: 520px;
  padding: 42px 0 64px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--color-brand);
  font-size: 13px;
  font-weight: 800;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
}

h2 {
  margin-bottom: 18px;
  font-size: 30px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.lead,
.section-lead,
.card p,
.site-footer {
  color: var(--color-muted);
}

.lead {
  max-width: 600px;
  margin-bottom: 28px;
  font-size: 17px;
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.request-form button {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
}

.button-primary,
.request-form button {
  background: linear-gradient(135deg, #075bff, #0344d8);
  color: #fff;
  box-shadow: 0 10px 20px rgba(7, 91, 255, 0.22);
}

.button-secondary {
  border: 1px solid var(--color-line);
  background: #fff;
  color: var(--color-brand-dark);
}

.app-preview,
.card,
.account-section {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.app-preview {
  padding: 24px;
}

.preview-header {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: 8px;
  background: #05070d;
  color: #fff;
}

.preview-header strong {
  font-size: 34px;
}

.preview-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.preview-actions span {
  padding: 10px 0;
  border-radius: 8px;
  background: #e8f7ff;
  color: var(--color-brand-dark);
  text-align: center;
  font-weight: 800;
}

.preview-list {
  display: grid;
  gap: 10px;
}

.preview-list div {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}

.section {
  padding: 44px 0;
}

.page-hero {
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
  padding: 64px 0 20px;
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 44px;
  align-items: center;
  width: min(100% - 32px, 1080px);
  min-height: 580px;
  margin: 0 auto;
  padding: 48px 0 64px;
}

.login-copy h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.security-note,
.login-panel {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: #fff;
}

.security-note {
  display: grid;
  gap: 4px;
  max-width: 560px;
  padding: 18px;
  color: var(--color-muted);
}

.security-note strong {
  color: var(--color-brand-dark);
}

.login-panel {
  display: grid;
  gap: 12px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.login-panel h2 {
  margin-bottom: 4px;
  font-size: 24px;
}

.login-panel label:not(.remember-row) {
  font-weight: 800;
}

.login-panel input[type="text"],
.login-panel input[type="password"] {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font: inherit;
}

.login-panel input:focus {
  outline: 2px solid rgba(7, 91, 255, 0.18);
  border-color: var(--color-brand);
}

.login-error {
  margin: 0;
  padding: 12px;
  border: 1px solid #efb6bd;
  border-radius: 8px;
  background: #fff5f6;
  color: #b62636;
  font-size: 13px;
  font-weight: 700;
}

.remember-row {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--color-muted);
  font-size: 13px;
}

.login-submit {
  justify-content: center;
  width: 100%;
  margin-top: 6px;
}

.login-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.login-links a {
  color: var(--color-brand-dark);
  font-weight: 700;
}

.dashboard-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: end;
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
  padding: 56px 0 20px;
}

.dashboard-hero h1 {
  margin-bottom: 12px;
  font-size: clamp(38px, 5vw, 56px);
}

.session-card,
.dashboard-notice,
.dashboard-panel,
.campaign-card {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: #fff;
}

.dashboard-panel,
.dashboard-side {
  min-width: 0;
}

.session-card {
  padding: 22px;
  box-shadow: var(--shadow);
}

.session-label,
.last-login {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.session-name {
  margin: 4px 0 12px;
  font-size: 22px;
  font-weight: 800;
}

.logout-link {
  justify-content: center;
  width: 100%;
  min-height: 40px;
  margin-top: 16px;
}

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

.dashboard-notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 18px;
  border-left: 4px solid var(--color-accent);
  color: var(--color-brand-dark);
  font-size: 14px;
}

.dashboard-notice span {
  min-width: 0;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-line);
  background: #f9fbff;
  font-size: 17px;
}

.section-heading::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: var(--color-brand);
}

.balance-list,
.side-menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.balance-item {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 220px 120px;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-line);
}

.balance-item:last-child {
  border-bottom: 0;
}

.balance-item strong,
.balance-item span {
  display: block;
}

.balance-item span {
  color: var(--color-muted);
  font-size: 13px;
}

.balance-amount {
  margin: 0;
  text-align: right;
  font-size: 24px;
  font-weight: 900;
}

.balance-amount span {
  display: inline;
  margin-left: 4px;
}

.detail-link {
  display: inline-flex;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--color-brand);
  border-radius: 8px;
  color: var(--color-brand-dark);
  font-size: 13px;
  font-weight: 800;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quick-item {
  display: grid;
  gap: 4px;
  justify-items: center;
  min-height: 150px;
  padding: 22px 12px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}

.quick-item:nth-child(4n) {
  border-right: 0;
}

.quick-item:nth-last-child(-n + 4) {
  border-bottom: 0;
}

.quick-item:hover,
.side-menu a:hover,
.detail-link:hover {
  background: #e8f7ff;
}

.quick-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 999px;
  background: #e8f7ff;
  color: var(--color-brand-dark);
  font-size: 20px;
  font-weight: 900;
}

.quick-item span:last-child {
  color: var(--color-muted);
  font-size: 12px;
}

.dashboard-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.transaction-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.transaction-table th,
.transaction-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
}

.transaction-table th {
  background: #f9fbff;
  color: var(--color-muted);
  font-size: 12px;
}

.transaction-table th:nth-child(3),
.transaction-table th:nth-child(4),
.transaction-table td:nth-child(3),
.transaction-table td:nth-child(4) {
  text-align: right;
}

.deposit {
  color: #0f8f52;
  font-weight: 800;
}

.withdraw {
  color: #c63d4a;
  font-weight: 800;
}

.panel-link {
  display: block;
  padding: 14px 16px;
  border-top: 1px solid var(--color-line);
  color: var(--color-brand-dark);
  text-align: right;
  font-size: 13px;
  font-weight: 800;
}

.dashboard-side {
  display: grid;
  align-content: start;
  gap: 16px;
}

.side-menu a {
  display: flex;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
}

.side-menu li:last-child a {
  border-bottom: 0;
}

.side-menu a::after {
  content: ">";
  color: var(--color-muted);
}

.campaign-card {
  padding: 22px;
  background: linear-gradient(135deg, #fff 0%, #e8f7ff 100%);
}

.campaign-card h3 {
  margin-bottom: 8px;
}

.campaign-card .button {
  min-height: 40px;
}

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

.card {
  padding: 22px;
  box-shadow: none;
}

.card-icon {
  color: var(--color-warn);
  font-weight: 900;
}

.steps,
.faq-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.steps {
  padding: 0;
  list-style: none;
}

.steps li,
.faq-list div {
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: #f9fbff;
}

.steps span {
  margin-right: 10px;
  color: var(--color-warn);
  font-weight: 900;
}

.faq-section {
  padding-top: 24px;
}

.faq-list dt {
  margin-bottom: 6px;
  font-weight: 800;
}

.faq-list dd {
  margin: 0;
  color: var(--color-muted);
}

.account-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1fr);
  gap: 28px;
  padding: 28px;
}

.request-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

.input-row {
  gap: 10px;
}

.request-form input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font: inherit;
}

.form-message {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--color-brand-dark);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 32px 0 40px;
  border-top: 1px solid var(--color-line);
  font-size: 14px;
}

@media (max-width: 780px) {
  .site-header,
  .site-footer,
  .nav,
  .input-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .login-layout,
  .dashboard-hero,
  .cards,
  .account-section,
  .dashboard-columns {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 24px;
    min-height: auto;
    padding-top: 24px;
  }

  .login-layout {
    gap: 24px;
    min-height: auto;
    padding-top: 24px;
  }

  .login-links {
    flex-direction: column;
  }

  .balance-item {
    grid-template-columns: 1fr;
  }

  .balance-amount {
    text-align: left;
  }

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

  .quick-item:nth-child(2n) {
    border-right: 0;
  }

  .quick-item:nth-last-child(-n + 4) {
    border-bottom: 1px solid var(--color-line);
  }

  .quick-item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}