/* Mana official website. Generated by documents/tools/build-pages.py. */

:root {
  color-scheme: light dark;
  --ink: #0f2547;
  --ink-soft: #38506f;
  --accent: #3e92e8;
  --accent-deep: #1f6fc4;
  --surface: #ffffff;
  --ground: #f3f8fd;
  --line: #cfe3f8;
  --code-ground: #0f2547;
  --code-ink: #e8f2fd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f2fd;
    --ink-soft: #a9c3e0;
    --accent: #6cb0f0;
    --accent-deep: #9cccf7;
    --surface: #10192b;
    --ground: #0a111e;
    --line: #22344f;
    --code-ground: #060d18;
    --code-ink: #dce9f8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 17px/1.85 "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Segoe UI", system-ui, sans-serif;
}

a { color: var(--accent-deep); }
a:hover { color: var(--accent); }

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  padding: 18px max(20px, 5vw);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}
.brand img { width: 40px; height: 40px; }
.brand-name { font-size: 26px; font-weight: 700; letter-spacing: 0.02em; }

.masthead-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-left: auto;
  font-size: 15px;
}

.masthead-nav a { text-decoration: none; color: var(--ink-soft); white-space: nowrap; }
.masthead-nav a:hover { color: var(--accent); text-decoration: underline; }
.language-switch {
  display: inline-flex;
  gap: 12px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}
.language-switch [aria-current] { color: var(--ink); font-weight: 700; }

.hero {
  padding: clamp(48px, 9vw, 104px) max(20px, 5vw) clamp(40px, 7vw, 72px);
  background: linear-gradient(170deg, var(--surface), var(--ground));
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 9vw, 86px);
  letter-spacing: 0.02em;
  line-height: 1.05;
}

.hero .tagline {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.4vw, 23px);
  color: var(--accent-deep);
  font-weight: 700;
}

.hero .lead {
  margin: 20px 0 0;
  max-width: 44em;
  color: var(--ink-soft);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 0;
}

.button {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid var(--accent);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
}

.button-primary { background: var(--accent); color: #ffffff; }
.button-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #ffffff; }
.button-secondary { color: var(--accent-deep); background: transparent; }
.button-secondary:hover { background: var(--surface); }

/* The same side margins as the header and footer, so the page reads as one column. */
.content {
  padding: clamp(32px, 6vw, 64px) max(20px, 5vw);
}

.content section {
  padding: 36px 0;
  border-top: 1px solid var(--line);
}

.content section:first-child { border-top: 0; padding-top: 0; }

.content h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 3.6vw, 32px);
  line-height: 1.3;
}

.content h3 { margin: 28px 0 10px; font-size: 20px; }
.content p { margin: 0 0 18px; }
.content ul { margin: 0 0 18px; padding-left: 1.4em; }
.content li { margin: 6px 0; }
.content strong { color: var(--ink); }

.content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px 0;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

pre {
  margin: 0 0 20px;
  padding: 20px 22px;
  overflow-x: auto;
  background: var(--code-ground);
  color: var(--code-ink);
  border-radius: 12px;
  font-size: 15px;
  line-height: 1.7;
}

pre code { font: inherit; }

code {
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
}

:not(pre) > code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.colophon {
  padding: 32px max(20px, 5vw) 56px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 15px;
}

.colophon p { margin: 4px 0; }

.chooser {
  max-width: 34em;
  margin: 0 auto;
  padding: clamp(60px, 12vw, 140px) max(20px, 5vw);
  text-align: center;
}

.chooser .actions { justify-content: center; }