/* Hinan Games のサイト（今は『恐応研式 恐怖診断』と同じ方眼の用紙の色） */
:root {
  --back: #f6f8f2;
  --paper: #ffffff;
  --ink: #22382e;
  --sub: #56705f;
  --accent: #5aa488;
  --grid: rgba(90, 164, 136, 0.14);
  --red: #c0392b;
  --selected: #dff0e8;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background-color: var(--back);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  line-height: 1.8;
}
[hidden] { display: none !important; }
a { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: var(--back);
  border-bottom: 2px solid var(--accent);
}
.logo { font-weight: 900; font-size: 18px; text-decoration: none; letter-spacing: 0.02em; white-space: nowrap; }
.topbar nav { display: flex; gap: 16px; flex: 1; justify-content: flex-end; font-size: 14px; }
.topbar nav a { text-decoration: none; color: var(--sub); white-space: nowrap; }
.topbar nav a:hover { color: var(--ink); }
.lang {
  flex: none;
  border: 1px solid var(--accent);
  background: var(--paper);
  color: var(--ink);
  padding: 4px 12px;
  font: inherit;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
}

main { flex: 1; width: 100%; max-width: 980px; margin: 0 auto; padding: 0 20px 40px; }

.hero { padding: 72px 0 40px; }
.studio { font-size: clamp(40px, 10vw, 72px); font-weight: 900; margin: 0; line-height: 1.1; letter-spacing: 0.01em; }
.tagline { font-size: clamp(16px, 3.6vw, 20px); color: var(--sub); margin: 12px 0 0; }

.section { padding: 28px 0; }
.section h2 { font-size: 22px; margin: 0 0 16px; padding-bottom: 6px; border-bottom: 2px solid var(--accent); }

.game { background: var(--paper); border: 2px solid var(--accent); padding: 0 0 24px; }
.game .key { width: 100%; border-bottom: 2px solid var(--accent); }
.game-body { padding: 20px 24px 0; }
.game h3 { font-size: clamp(26px, 6vw, 36px); font-weight: 900; margin: 0; line-height: 1.3; }
.game .sub { margin: 0; color: var(--sub); }
.game .release { display: inline-block; margin: 12px 0 4px; padding: 2px 10px; background: var(--ink); color: #fff; font-size: 14px; font-weight: 700; }
.game h4 { margin: 24px 24px 10px; font-size: 16px; }
.buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 8px 20px;
  border: 2px solid var(--accent);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}
.button:hover, .button:focus-visible { background: var(--selected); }
.button.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.button.primary:hover, .button.primary:focus-visible { background: #2f4d40; }
.note { color: var(--sub); font-size: 14px; }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 0 24px; }
.shots img { border: 1px solid var(--accent); }

.links { padding-left: 1.2em; }

.doc { max-width: 760px; padding: 28px 20px 40px; }
.doc h1 { font-size: 28px; margin: 40px 0 4px; }
.doc h2 { font-size: 18px; border-bottom: 1px solid var(--accent); margin-top: 28px; }

.footer {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 16px 20px 24px;
  color: var(--sub);
  font-size: 13px;
  border-top: 1px solid var(--accent);
}
.footer a { color: var(--sub); }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; gap: 8px 12px; }
  .topbar nav { order: 3; flex-basis: 100%; justify-content: flex-start; }
  .lang { margin-left: auto; }
  .hero { padding: 40px 0 24px; }
  .game-body { padding: 16px 16px 0; }
  .game h4 { margin: 20px 16px 8px; }
  .shots { grid-template-columns: 1fr; padding: 0 16px; }
  .buttons .button { flex: 1 1 100%; }
}