/* Page design: one surface, clear hierarchy, no boxy blocks */
/* Accent: コンテンツ（明るい背景）用のリンク色。ダーク部分は白で上書き */
:root {
  --accent: #1e5a9e;
  --accent-hover: #2563eb;
}

/* 背景は単色に（グラデーションにしない） */
body {
  background-image: none;
  background-color: #1a1a2e;
}

.page {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero: body のグラデーションに任せる（ここだけの独自グラデにしない） */
.hero {
  padding: 5.5rem 2rem 4rem;
  text-align: center;
  background: transparent;
  margin: 0 -1.5rem 0;
}
.hero-logo {
  display: block;
  margin: 0 auto 2.25rem;
  max-height: 52px;
  width: auto;
  opacity: 0.95;
}
.hero-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  margin: 0 0 0.6rem;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.hero-tagline {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 2.75rem;
  font-weight: 300;
}

/* Nav: 画面幅いっぱいに広げる（短く見えないように） */
#nav.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100vw;
  max-width: none;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding: 0.9rem 1.5rem;
  background: #1a1a2e;
  text-align: center;
  border: none;
  box-sizing: border-box;
}
.nav-bar .nav-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  flex-wrap: wrap;
}
.nav-bar .nav-links li {
  margin: 0;
  padding: 0;
  display: inline-block;
}
.nav-bar a {
  color: #fff;
  border: none;
  padding: 0.5em 1em;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 400;
}
.nav-bar a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}
.nav-bar a.active {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}
.nav-bar a.active:hover {
  color: #fff;
}

/* Main: soft grey, not floating white */
.content {
  padding: 4.5rem 2rem 5.5rem;
  margin: 0 -1.5rem;
  background: #e8ebf0;
}
.content a {
  color: var(--accent);
  border-bottom-color: rgba(30, 90, 158, 0.4);
}
.content a:hover {
  color: var(--accent-hover);
  border-bottom-color: transparent;
}
.intro-section {
  padding: 2.5rem 0 4.5rem;
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
}
.intro-section .section-title {
  margin: 0 0 1.5rem;
}
/* はじめに・アプリ一覧：同じ色に統一 */
.section-title,
.content #apps header.major h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}
.section-title::after {
  display: block;
  content: '';
  width: 2.5rem;
  height: 2px;
  background: var(--accent);
  margin: 0.75rem auto 0;
  border-radius: 1px;
}
.intro-text {
  font-size: 1rem;
  line-height: 1.8;
  color: #3d4152;
  margin: 2rem 0 0;
  font-weight: 300;
}

/* Terms page */
.terms-page {
  padding-top: 3.5rem;
}
.terms-section-wrapper {
  max-width: 40rem;
  margin: 0 auto;
  text-align: left;
}
.terms-content {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #3d4152;
}
.terms-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 2rem;
  text-align: center;
}
.terms-heading {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1a1a2e;
  margin: 2rem 0 0.75rem;
}
.terms-section p {
  margin: 0.35rem 0;
}
.terms-list {
  padding-left: 1.25rem;
  margin: 0.5rem 0 0;
}
.terms-list li {
  margin: 0.25rem 0;
}
/* App list: more gap, cards blend with background */
.content #apps {
  padding: 3.5rem 0 4.5rem;
}
.content #apps header.major h2:after {
  margin: 0.75rem auto 0;
  background: var(--accent);
}
.content #apps .app-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2.25rem;
  justify-items: stretch;
  margin-top: 2.5rem;
}
.content #apps .app-card {
  justify-self: stretch;
  max-width: none;
  text-align: center;
  padding: 2rem 1.75rem;
  background: rgba(255, 255, 255, 0.7);
  border: none;
  border-radius: 16px;
  box-shadow: 0 1px 8px rgba(13, 27, 42, 0.05);
  transition: box-shadow 0.2s ease;
}
.content #apps .app-card:hover {
  box-shadow: 0 4px 20px rgba(13, 27, 42, 0.08);
}
.content #apps .app-card h3 {
  margin: 1.25rem 0 0.6rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: #1a1a2e;
}
.content #apps .app-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #4a4d5a;
  margin-bottom: 1.25rem;
}
.content #apps .app-card a {
  color: var(--accent);
  border: none;
  font-size: 0.9rem;
}
.content #apps .app-card a:hover {
  color: var(--accent-hover);
}
.content #apps .app-card .app-card-icon {
  border-radius: 20px;
  object-fit: cover;
  display: block;
  margin: 0 auto;
}
.content #apps .app-card .app-card-links {
  margin: 0;
  font-size: 0.9rem;
}
.content #apps .app-card .app-card-placeholder {
  font-size: 0.85rem;
  color: #6b7280;
}

/* Footer: ヘッダー・メインと同じ幅に。中身は中央寄せ */
#footer.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: none;
  margin: 0 -1.5rem 0;
  padding: 3rem 1.5rem 2.5rem;
  background: #1a1a2e;
  box-sizing: border-box;
  border-top: none;
}
#footer.site-footer > * {
  width: 100%;
  margin-left: 0;
  margin-bottom: 0;
  box-sizing: border-box;
}
.footer-brand-logo {
  display: inline-block;
  border: none;
  margin-bottom: 0.75rem;
}
.footer-brand-logo img {
  display: block;
  height: 28px;
  width: auto;
  opacity: 0.95;
}
.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  max-width: 20rem;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem 1.5rem;
  width: 100%;
  margin-bottom: 1.5rem;
  box-sizing: border-box;
}
.footer-row > * {
  flex: 1 1 0%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}
@media (min-width: 640px) {
  .footer-row > * {
    min-width: 8rem;
  }
}
.footer-heading {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 0.75rem;
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-list li {
  margin: 0 0 0.5rem;
}
.footer-list li:last-child {
  margin-bottom: 0;
}
.footer-list a {
  color: rgba(255, 255, 255, 0.95);
  border: none;
  font-size: 1rem;
}
.footer-list a:hover {
  color: #fff;
}
.footer-bottom {
  max-width: 52rem;
  padding-top: 1.5rem;
  text-align: center;
  box-sizing: border-box;
}
.footer-copy {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  text-align: center;
}
.footer-copy a {
  color: rgba(255, 255, 255, 0.95);
}
.site-footer .footer-bottom a {
  color: rgba(255, 255, 255, 0.9);
  border: none;
  font-size: 0.85rem;
}
.site-footer .footer-bottom a:hover {
  color: #fff;
}
.footer-lang-list a.is-current {
  color: #fff;
  font-weight: 700;
  cursor: default;
  text-decoration: none;
}
.footer-lang-list a.is-current:hover {
  color: #fff;
}

/* Remove Stellar padding that conflicts */
.page .content > .main {
  padding: 0;
  border: none;
}
#nav + #main.content {
  padding-top: 0;
}

@media (max-width: 736px) {
  .hero {
    padding: 4rem 1.25rem 5rem;
  }
  .content {
    padding: 3.5rem 1.25rem 4rem;
    margin-left: -1.25rem;
    margin-right: -1.25rem;
  }
  .page {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  #nav.nav-bar {
    padding: 0.85rem 1rem;
  }
  .site-footer {
    padding: 3rem 1.25rem 2.5rem;
  }
  .intro-section {
    padding-bottom: 3.5rem;
  }
  .content #apps {
    padding: 3rem 0 4rem;
  }
  .content #apps .app-list {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
  }
}