:root {
  --gradient-a: rgba(152, 149, 248, 1);
  --gradient-b: rgba(242, 169, 224, 1);
  --gradient-c: rgba(224, 102, 112, 1);
  --brand-grad-1: rgba(173, 39, 250, 1);
  --brand-grad-2: rgba(198, 31, 87, 1);
  --brand-grad-3: rgba(148, 23, 121, 1);
  --text: #000000;
  --bg: #ffffff;
  --input-bg: #d9d9d9;
  --btn-dark: #525252;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", system-ui, -apple-system, Segoe UI, Helvetica, Arial,
    "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: #000000;
  text-decoration: none;
}

/* .container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: 16px;
} */

/* Navbar */
/* .navbar {
  background: #fff;
  height: 72px;
  display: flex;
  align-items: center;
} */
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  width: 100%;
}

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

.brand img {
  display: block;
  width: 171px;
  height: 43px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: center;
}

.nav-links a {
  font-size: 16px;
  text-decoration: none;
  color: #000;
}

.nav-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 4px;
  text-decoration: none;
}

.btn-outline-gradient {
  padding: 8px 20px;
  border: 1px solid transparent;
  background: linear-gradient(90deg,
      var(--brand-grad-1) 0%,
      var(--brand-grad-2) 51%,
      var(--brand-grad-3) 100%) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  color: transparent;
  background-clip: padding-box, text;
  -webkit-background-clip: padding-box, text;
}

.btn-outline-gradient:hover {
  opacity: 0.9;
}

.btn-solid-dark {
  min-width: 200px;
  padding: 16px 0;
  color: #fff;
  background: var(--btn-dark);
  border: none;
  font-size: 18px;
  border-radius: 5px;
  cursor: pointer;
}

.btn-solid-dark:hover {
  filter: brightness(0.95);
}

.btn-primary.btn-alternate {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
  width: 96px;
}

.btn-secondary:hover {
  background: #000000;
  color: #ffffff;
}

.btn-link {
  background: transparent;
  color: #fff;
  text-decoration: none;
  padding: 0;
  border: 1px solid #fff;
  border-radius: 4px;
  padding: 16px;
  font-weight: bold;
}

/* ヒーローセクション */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-section video {
  display: block;
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 80px;
  text-align: center;
  margin: 0 auto;
}

.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.tagline-wrapper {
  display: flex;
  align-items: center;
}

.tagline {
  font-family: "Roboto", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: #333;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
}

.heading {
  font-family: "Roboto", sans-serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  margin: 0;
}

.hero-section .heading {
  text-shadow: none;
}

.text {
  font-family: "Roboto", sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: #333;
  max-width: 800px;
  margin: 0;
}

.hero-section .text {
  color: #333;
}

.actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.actions .btn-link {
  color: #333;
  border: 1px solid #333;
}

.privacy-policy {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.policy-section {
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.policy-heading {
  font-size: 1.25rem;
  color: #333;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #eee;
}

.policy-text {
  line-height: 1.8;
  color: #666;
  margin-bottom: 1rem;
}

.policy-introduction {
  text-align: center;
  margin-bottom: 3rem;
}

.policy-text ol {
  margin-left: 16px;
}

.policy-text ol ol {
  margin-left: 32px;
}

/* Footer */
.site-footer {
  background: #fff;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 64px;
}

.footer-col.footer-brand {
  display: grid;
  align-content: start;
  gap: 32px;
}

.footer-brand img {
  width: 219px;
  height: 55px;
  display: block;
}

.footer-info {
  display: grid;
  gap: 24px;
}

.info-row {
  display: grid;
  gap: 4px;
}

.info-term {
  font-size: 14px;
  font-weight: 600;
}

.info-desc {
  font-size: 14px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.icon-24 {
  width: 24px;
  height: 24px;
  display: inline-flex;
  background: #000;
  border-radius: 4px;
}

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

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 64px;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.footer-links a {
  color: #000;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.footer-bottom {
  padding: 0 0 80px;
}

.divider {
  border: none;
  border-top: 1px solid #000;
  margin: 0 0 32px;
}

.credits {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-mini-links {
  display: inline-flex;
  gap: 24px;
}

.footer-mini-links a {
  color: #000;
  text-decoration: none;
  font-size: 14px;
}

/* Responsive tweaks */
@media (max-width: 1024px) {
  .nav-inner {
    grid-template-columns: auto 1fr;
  }

  .nav-cta {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}