@charset "UTF-8";
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fff;
  color: #1a1a1a;
  line-height: 1.6;
}

a {
  color: #1f6f5c;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container.narrow {
  max-width: 720px;
}

nav {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  z-index: 100;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: #1a1a1a;
}
.logo:hover {
  text-decoration: none;
}
.logo img {
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}
.nav-links a {
  color: #666;
}
.nav-links a:hover {
  color: #1f6f5c;
  text-decoration: none;
}

.hero {
  background: linear-gradient(180deg, #e8f2ef 0%, #fff 100%);
  padding: 4.5rem 2rem 4rem;
  text-align: center;
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
}

.hero-logo {
  display: block;
  margin: 0 auto 1.5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #1f6f5c;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: #666;
  margin: 0 auto 1rem;
  max-width: 620px;
}

.hero-note {
  margin: 2rem auto 0;
  font-size: 0.9rem;
  color: #666;
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid #e0e0e0;
  border-radius: 999px;
  background: #fff;
}

section {
  padding: 4rem 0;
}

section h2 {
  font-size: 1.9rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.section-sub {
  color: #666;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
  max-width: 720px;
}

.problem {
  background: #f9f9f9;
  border-top: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.75rem;
}
.card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}
.card p {
  margin: 0;
  color: #666;
  font-size: 0.97rem;
}

.card-num {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #c26a2c;
  margin-bottom: 0.85rem;
}

.isnot {
  padding-bottom: 2rem;
}
.isnot h2 {
  margin-bottom: 1.5rem;
}

.not-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.not-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1rem;
  color: #666;
  font-size: 1.02rem;
}
.not-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: -0.1rem;
  font-size: 1.3rem;
  line-height: 1.4;
  font-weight: 700;
  color: #c26a2c;
}
.not-list li strong {
  color: #1a1a1a;
  font-weight: 600;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem 2.5rem;
}

.feature {
  border-left: 3px solid #1f6f5c;
  padding-left: 1.1rem;
}
.feature h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}
.feature p {
  margin: 0;
  color: #666;
  font-size: 0.97rem;
}

.ownership {
  background: #f9f9f9;
  border-top: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}

.never {
  text-align: center;
  padding: 4.5rem 0;
}
.never h2 {
  margin-bottom: 1.25rem;
}
.never p {
  font-size: 1.12rem;
  color: #666;
  margin: 0;
}

.status {
  background: #f9f9f9;
  border-top: 1px solid #e0e0e0;
}
.status p {
  font-size: 1.05rem;
  color: #666;
}

.status-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
  font-size: 0.97rem !important;
}

footer {
  border-top: 1px solid #e0e0e0;
  padding: 2rem 0;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
}
footer p {
  margin: 0;
}

.draft-banner {
  background: #fdf3e7;
  border-bottom: 1px solid #f0dcc2;
  color: #7a4a18;
  font-size: 0.92rem;
  padding: 0.85rem 0;
}
.draft-banner strong {
  color: #5e3810;
}

.doc {
  padding: 3rem 0 4rem;
}
.doc h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}
.doc h2 {
  font-size: 1.3rem;
  margin: 2.25rem 0 1rem;
  scroll-margin-top: 5rem;
}
.doc h3 {
  font-size: 1.05rem;
  margin: 2rem 0 0.75rem;
  scroll-margin-top: 5rem;
}
.doc p, .doc li {
  font-size: 1rem;
  color: #333;
}
.doc p {
  margin: 0 0 1rem;
}
.doc strong {
  color: #1a1a1a;
}
.doc hr {
  border: 0;
  border-top: 1px solid #e0e0e0;
  margin: 2.5rem 0;
}
.doc em {
  color: #666;
}
.doc blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  background: #e8f2ef;
  border-left: 3px solid #1f6f5c;
  border-radius: 0 6px 6px 0;
}
.doc blockquote p {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: #155244;
}
.doc blockquote p:last-child {
  margin-bottom: 0;
}
.doc .anchor {
  float: left;
  margin-left: -1.15rem;
  padding-right: 0.4rem;
  color: #e0e0e0;
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.12s;
}
.doc .anchor:hover {
  text-decoration: none;
  color: #1f6f5c;
}
.doc h2:hover .anchor, .doc h3:hover .anchor, .doc .anchor:focus {
  opacity: 1;
}

.doc-sibling {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
  font-size: 0.95rem;
  color: #666;
}

.toc {
  background: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
  margin: 0 0 3rem;
}
.toc h2 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
  margin: 0 0 0.85rem;
  padding: 0;
  border: 0;
}
.toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 2rem;
}
.toc li {
  margin-bottom: 0.35rem;
  font-size: 0.93rem;
  break-inside: avoid;
}

.notfound {
  text-align: center;
  padding: 6rem 0 7rem;
}
.notfound h1 {
  font-size: 1.8rem;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}
.notfound p {
  color: #666;
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
}

.notfound-code {
  font-size: 0.8rem !important;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #c26a2c !important;
  margin-bottom: 1rem !important;
}

@media (max-width: 700px) {
  .hero {
    padding: 3rem 1.25rem 2.5rem;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero h1 br {
    display: none;
  }
  .hero-sub {
    font-size: 1.05rem;
  }
  .container {
    padding: 0 1.25rem;
  }
  .nav-inner {
    padding: 0 1.25rem;
  }
  .nav-links {
    gap: 1rem;
    font-size: 0.88rem;
  }
  section {
    padding: 3rem 0;
  }
  section h2 {
    font-size: 1.55rem;
  }
  .never {
    padding: 3rem 0;
  }
  .doc h1 {
    font-size: 1.65rem;
  }
  .doc h2 {
    font-size: 1.15rem;
  }
  .doc .anchor {
    display: none;
  }
  .toc ul {
    columns: 1;
  }
  .notfound {
    padding: 4rem 0 5rem;
  }
  .notfound h1 {
    font-size: 1.4rem;
  }
  .toc {
    padding: 1.25rem 1.4rem;
  }
}
@media (max-width: 560px) {
  .nav-links {
    display: none;
  }
}

/*# sourceMappingURL=style.css.map */