/* PLAY site-wide styles (Development Mode badge). Keep game CSS separate. */

.sysline-dev-mode-badge {
  position: fixed;
  top: calc(8px + env(safe-area-inset-top, 0px));
  right: calc(8px + env(safe-area-inset-right, 0px));
  z-index: 40;
  cursor: pointer;
  user-select: none;
  max-width: min(200px, calc(100vw - 24px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)));
  padding: 5px 9px;
  border-radius: 4px;
  border: 1px solid rgba(52, 75, 64, 0.18);
  background: rgba(247, 248, 240, 0.92);
  color: rgba(52, 75, 64, 0.72);
  font-family: "Yu Gothic", "Meiryo", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-align: center;
  box-shadow: none;
}
.sysline-dev-mode-badge.is-ranking-on {
  border-color: #8b5a14;
  background: #fff1c9;
  color: #6f4308;
  box-shadow: 0 0 0 2px rgba(139, 90, 20, 0.14);
}
.sysline-development-dialog {
  width: min(22rem, calc(100vw - 32px));
  border: 0;
  border-radius: 12px;
  padding: 0;
  color: #344b40;
}
.sysline-development-dialog::backdrop { background: rgba(22, 31, 26, 0.42); }
.sysline-development-panel { padding: 18px; font-family: "Yu Gothic", "Meiryo", sans-serif; }
.sysline-development-panel h2 { margin: 0 0 14px; font-size: 20px; }
.sysline-development-toggle { display: grid; gap: 6px; font-weight: 700; }
.sysline-development-toggle select,
.sysline-development-panel button { min-height: 44px; box-sizing: border-box; font-size: 16px; border-radius: 8px; }
.sysline-development-toggle select { width: 100%; padding: 8px 10px; }
.sysline-development-panel p { margin: 12px 0; line-height: 1.5; }
.sysline-development-panel button { width: 100%; border: 1px solid #6fa77c; background: #e7f2ea; color: #244a38; font-weight: 700; }

@media (max-width: 480px) {
  .sysline-dev-mode-badge {
    top: calc(6px + env(safe-area-inset-top, 0px));
    right: calc(6px + env(safe-area-inset-right, 0px));
    font-size: 10px;
    padding: 4px 7px;
  }
}

/* HOME / 脳トレ / タイピング。狭い幅でも3つを横並びのまま残す。 */
.play-section-nav {
  box-sizing: border-box;
  width: min(880px, calc(100% - 48px));
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.play-section-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  padding: 8px 6px;
  border-radius: 14px;
  border: 1px solid #d5decc;
  background: #fffdf6;
  color: #344b40;
  font-family: "Yu Gothic", "Meiryo", sans-serif;
  font-weight: 800;
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 0 rgba(50, 102, 77, 0.06);
}
.play-section-nav a:hover {
  background: #eef3e4;
  border-color: #b7c9ae;
}
.play-section-nav a[aria-current="page"] {
  background: #32664d;
  border-color: #32664d;
  color: #fffdf6;
  box-shadow: 0 3px 0 #214e38;
}
.typing-layout .play-section-nav {
  width: min(1100px, calc(100% - 32px));
  margin: 12px auto 10px;
}
.typing-layout.is-game:not(.is-paused) .play-section-nav {
  display: none;
}
.game-page-center > .play-section-nav {
  width: 100%;
  margin: 10px 0 0;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.28fr) minmax(0, 0.86fr);
}
.play-section-nav a.play-section-back {
  font-family: "Segoe UI", "Yu Gothic", "Meiryo", sans-serif;
  letter-spacing: 0;
  padding-left: 4px;
  padding-right: 4px;
}
.game-page-center > .play-section-nav + .game-page-header {
  padding-top: 8px;
}
body.game-page.is-playing .play-section-nav,
body.game-page.is-countdown .play-section-nav,
body.game-page.is-paused .play-section-nav,
body.game-page.is-restarting .play-section-nav {
  display: none;
}
@media (max-width: 640px) {
  .play-section-nav {
    width: min(880px, calc(100% - 32px));
    margin-top: 12px;
    gap: 6px;
  }
  .play-section-nav a {
    font-size: 13px;
    letter-spacing: 0.02em;
    padding: 8px 4px;
  }
  .typing-layout .play-section-nav {
    width: min(1100px, calc(100% - 24px));
    margin-top: 10px;
  }
  .game-page-center > .play-section-nav {
    width: 100%;
    margin-top: 8px;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.44fr) minmax(0, 0.78fr);
  }
  .game-page-center > .play-section-nav a {
    letter-spacing: 0;
    padding-left: 2px;
    padding-right: 2px;
  }
  .play-section-nav a.play-section-back {
    font-size: 12px;
  }
}

/* 4項目ナビ（HOME / 脳トレ / タイピング / 体験）。TOP・紹介ページ・トップレベルの各ページで使う。ゲーム個別ページのナビは3項目のまま */
.play-section-nav--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 380px) {
  .play-section-nav--4 { gap: 5px; }
  .play-section-nav--4 a { font-size: 12px; letter-spacing: 0; padding-left: 2px; padding-right: 2px; }
}
.experience { scroll-margin-top: 12px; }
.section-lead { margin: 0 0 4px; font-size: 13.5px; line-height: 1.6; color: #6f7d68; }
.card-thumb {
  width: 120px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 12px;
  background: #0b2a3a;
}
.intro-page main { padding-bottom: 8px; }
.intro-hero { margin: 0 0 18px; }
.intro-hero img,
.intro-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line, #dfe4d8);
  background: #0b2a3a;
}
.intro-hero figcaption,
.intro-shot figcaption {
  margin: 6px 2px 0;
  font-size: 12px;
  line-height: 1.5;
  color: #6f7d68;
}
.intro-cta { margin: 0 0 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.intro-cta .play { padding: 12px 26px; font-size: 17px; }
.intro-cta small { color: #6f7d68; font-size: 12px; line-height: 1.5; }
.intro-section { margin: 0 0 26px; }
.intro-section h2 { margin: 0 0 8px; font-size: 20px; font-weight: 800; color: #344b40; }
.intro-section p,
.intro-section li { font-size: 14.5px; line-height: 1.75; color: #4d5c4c; }
.intro-section p { margin: 0 0 10px; }
.intro-section ol,
.intro-section ul { margin: 0 0 10px; padding-left: 1.4em; }
.intro-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0 0 12px; }
.intro-grid.is-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.intro-grid h3 { margin: 8px 0 2px; font-size: 15px; font-weight: 800; color: #32664d; }
.intro-grid p { margin: 0; font-size: 13px; line-height: 1.6; }
.intro-shot { margin: 0; }
.intro-note { padding: 12px 14px; border-radius: 12px; background: #eaf0df; font-size: 13px; line-height: 1.7; color: #4d5c4c; }
.intro-table { width: 100%; border-collapse: collapse; font-size: 13.5px; line-height: 1.6; }
.intro-table th, .intro-table td { padding: 8px 10px; border: 1px solid #dfe4d8; text-align: left; vertical-align: top; }
.intro-table th { width: 7.5em; background: #f1f4e8; color: #344b40; white-space: nowrap; }
@media (max-width: 640px) {
  .intro-grid, .intro-grid.is-three { grid-template-columns: 1fr; }
  .card-thumb { width: 96px; }
  .intro-cta .play { width: 100%; text-align: center; }
}

.experience-list .card-thumb { width: 168px; }
@media (max-width: 640px) {
  .experience-list .card-thumb { width: 104px; }
}

/* 戻り先を持つ4項目ナビ。--tail-back: 4番目が「← 体験一覧」の紹介ページ（/fishing/ /space/）。--mid-back: 2番目が「← 脳トレ一覧」の脳トレ個別ページ。
   戻り先は選択状態（濃い緑）にしない。列の幅は文字数に合わせて配分する */
.play-section-nav--tail-back { grid-template-columns: minmax(0, 0.8fr) minmax(0, 0.85fr) minmax(0, 1.15fr) minmax(0, 1.35fr); }
.game-page-center > .play-section-nav--mid-back { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.35fr) minmax(0, 1.1fr) minmax(0, 0.85fr); }
.play-section-nav--tail-back a.play-section-back,
.play-section-nav--mid-back a.play-section-back { font-size: 13px; }
@media (max-width: 380px) {
  .play-section-nav--tail-back a.play-section-back,
  .play-section-nav--mid-back a.play-section-back { font-size: 12px; }
}
/* とても狭い画面だけ「← 脳トレ一覧」を「← 一覧」にする（4項目を1行に保つ） */
@media (max-width: 350px) {
  .play-section-nav .nav-long { display: none; }
}

/* /licenses/: ライセンス全文は原文のまま（折り返して横スクロールを出さない） */
.doc .license-text {
  margin: 6px 0 24px;
  padding: 14px 16px;
  background: #fffdf6;
  border: 1px solid #dfe4d8;
  border-radius: 12px;
  color: #344b40;
  font: 12.5px/1.65 ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  overflow-x: hidden;
}
.doc .license-text:focus-visible { outline: 3px solid #d88635; outline-offset: 2px; }
.doc .intro-table { margin: 6px 0 12px; }
.doc .intro-table td { overflow-wrap: anywhere; }
@media (max-width: 640px) {
  .doc .license-text { padding: 12px; font-size: 12px; }
  .doc .intro-table th { width: 6.5em; }
}

/* 共通ナビを上部に固定（position: sticky。JSなし）。上の余白と同じだけ下にも padding を取り、同じ量の負の margin-bottom で
   ページ先頭のレイアウトは変えない。背景（ページ色）は padding まで含むので、固定中に本文が透けず窮屈にもならない。
   プレイ開始後に隠す既存規則（display:none）はそのまま。 */
.play-section-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  margin-top: 0;
  padding: 16px 0 16px;
  margin-bottom: -16px;
  background: #f7f8f0;
}
.typing-layout .play-section-nav { margin: 0 auto; padding: 12px 0; }
.game-page-center > .play-section-nav { margin: 0 0 -10px; padding: 10px 0; }
@media (max-width: 640px) {
  .play-section-nav { margin-top: 0; margin-bottom: -12px; padding: 12px 0; }
  .typing-layout .play-section-nav { margin-top: 0; margin-bottom: 0; padding: 10px 0; }
  .game-page-center > .play-section-nav { margin-top: 0; margin-bottom: -8px; padding: 8px 0; }
}
/* タイピングは専用ヘッダー（.site-header）が続くので、ナビ下の負の margin を付けない（付けるとヘッダー上端がナビの padding の下に潜り、固定ナビに隠れる）。余白は padding の分だけ */
/* ページ内リンクで移動したとき、固定ナビの下に見出しが隠れない（ナビ高さ約72px＋下の余白） */
html { scroll-padding-top: 84px; }
/* タイピングは html が overflow:clip のため、body の overflow-x:hidden が body をスクロールコンテナにして sticky を殺す。clip ならコンテナにならない */
body.typing-layout,
body.typing-layout:not(.is-game):not(.is-result) { overflow-x: clip; overflow-y: visible; height: auto; max-height: none; }