/* ============================================
   retro.css — 2000年代個人サイト風（HOME/ABOUT/NOVEL/隠し/エラー）
   ============================================ */
body.retro {
  background-color: #000;
  background-image:
    radial-gradient(#ffffff22 1px, transparent 1px),
    radial-gradient(#ffffff11 1px, transparent 1px);
  background-size: 37px 37px, 23px 23px;
  background-position: 0 0, 11px 17px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
}

/* ---- ヘッダー ---- */
.site-head {
  border: 3px double var(--line);
  background: var(--bg2);
  text-align: center;
  padding: 14px 10px 10px;
}
.site-title {
  margin: 0;
  font-family: "Times New Roman", "MS PMincho", serif;
  font-size: clamp(26px, 7vw, 40px);
  letter-spacing: .08em;
  color: #fff;
  text-shadow: 2px 2px 0 #7b5cff, -1px -1px 0 #1f6fff;
}
.site-sub { margin: 4px 0 0; color: var(--dim); font-size: 13px; letter-spacing: .15em; }

/* 流れる文字（marqueeタグは使わずCSSで再現） */
.ticker {
  overflow: hidden; white-space: nowrap;
  border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line);
  margin-top: 10px; padding: 2px 0;
  color: var(--accent); font-size: 13px;
}
.ticker span {
  display: inline-block; padding-left: 100%;
  animation: ticker 22s linear infinite;
}
@keyframes ticker { to { transform: translateX(-100%); } }

/* ---- メニュー ---- */
.menu {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  list-style: none; padding: 0; margin: 12px 0;
}
.menu a {
  display: inline-block; min-width: 96px; text-align: center;
  padding: 3px 10px;
  background: linear-gradient(#2a2a36, #15151c);
  border: 2px outset #555;
  color: #fff; text-decoration: none; font-size: 13px;
}
.menu a:active { border-style: inset; }
.menu a[aria-current="page"] { color: var(--yellow); border-color: var(--yellow); }
.menu a.menu--work { border-color: var(--accent); color: var(--accent); }

/* ---- 箱 ---- */
.box {
  border: 1px solid var(--line);
  background: var(--panel);
  margin: 14px 0;
}
.box__head {
  margin: 0;
  background: linear-gradient(90deg, #1b1b5e, #000);
  color: #fff;
  font-size: 14px; font-weight: bold;
  padding: 3px 10px;
  border-bottom: 1px solid var(--line);
}
.box__head::before { content: "■ "; color: var(--accent); }
.box__body { padding: 10px 14px; }
.box__body p { margin: .4em 0; }

/* ---- カウンター ---- */
.counter { text-align: center; }
.counter__digits {
  display: inline-flex; gap: 2px; margin: 4px 0;
  font-family: "Courier New", monospace; font-size: 22px; font-weight: bold;
}
.counter__digits span {
  display: inline-block; width: 1.05em; text-align: center;
  background: #000; color: var(--accent2);
  border: 1px solid #333;
  text-shadow: 0 0 4px var(--accent2);
}
.counter__note { font-size: 12px; color: var(--dim); }
.kiriban {
  display: none;
  margin: 6px auto 0; max-width: 420px;
  border: 2px solid var(--yellow); color: var(--yellow);
  padding: 4px 8px; font-size: 13px;
  animation: blink 1s steps(2, start) infinite;
}
.kiriban.is-on { display: block; }
@keyframes blink { to { visibility: hidden; } }

/* ---- 管理人ステータス ---- */
.status { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; }
.status__lamp {
  width: 10px; height: 10px; border-radius: 50%;
  background: #444; box-shadow: 0 0 0 1px #000;
}
.status__lamp.is-in { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.status__lamp.is-watch { background: var(--accent2); box-shadow: 0 0 6px var(--accent2); }
.status__lamp.is-away { background: #666; }

/* ---- 更新履歴 ---- */
.log { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.log li { padding: 6px 0; border-bottom: 1px dotted var(--line); }
.log li:last-child { border-bottom: 0; }
.log time { color: var(--accent); font-family: "Courier New", monospace; margin-right: 6px; }
.log .upd { display: block; font-size: 11px; color: var(--dim); }
.log .upd.is-weird { color: var(--accent2); }
.log .body { display: block; color: var(--text); }
.new {
  display: inline-block; background: var(--accent2); color: #fff;
  font-size: 10px; padding: 0 4px; margin-left: 4px;
  animation: blink 1.2s steps(2, start) infinite;
}

/* ---- 作品リスト ---- */
.works { list-style: none; margin: 0; padding: 0; }
.works > li { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.works > li:last-child { border-bottom: 0; }
.works h3 { margin: 0 0 4px; font-size: 16px; color: #fff; }
.works h3::before { content: "▼ "; color: var(--accent2); font-size: 12px; }
.works .catch { color: var(--yellow); font-size: 13px; margin: 0 0 4px; }
.works .desc { font-size: 14px; margin: 0 0 6px; }
.works .links a { margin-right: 12px; font-size: 13px; }
.note-small { font-size: 12px; color: var(--dim); }

/* ---- リンク集 ---- */
.linklist { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px 12px; }
.linklist li::before { content: "→ "; color: var(--accent); }

dl.skills dt { color: var(--accent); font-weight: bold; margin-top: 6px; }
dl.skills dd { margin: 0 0 0 1em; }

/* ---- 工事中バナー ---- */
.construction {
  display: block; text-align: center; font-weight: bold; color: #000;
  padding: 4px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, #000 14px 28px);
}
.construction span { background: var(--yellow); padding: 0 8px; }

/* ---- フッター ---- */
.site-foot {
  text-align: center; font-size: 12px; color: var(--dim);
  margin-top: 20px; padding: 12px 0 30px;
  border-top: 3px double var(--line);
}
.site-foot p { margin: .3em 0; }
.badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 8px 0; }
.badge {
  display: inline-block; font-family: "Courier New", monospace; font-size: 10px;
  border: 1px solid #555; padding: 1px 4px; color: #bbb; background: #0d0d0d;
}
.badge b { color: var(--accent); }

/* 隠しリンク：背景と同化。ホバー/フォーカスでだけ見える */
a.hidden-door, a.hidden-door:visited {
  color: #000; text-decoration: none; cursor: default;
}
a.hidden-door:hover, a.hidden-door:focus-visible { color: #1a1a1a; cursor: pointer; }

/* ---- 地下室（隠しページ） ---- */
body.basement { background: #000; background-image: none; }
.basement .wrap { max-width: 620px; }
.basement h1 {
  font-family: "Courier New", monospace; color: var(--accent2);
  font-size: 20px; letter-spacing: .2em; text-align: center;
}
.basement .typed { font-family: "Courier New", "MS Gothic", monospace; color: var(--accent); white-space: pre-wrap; font-size: 14px; min-height: 10em; }
.door-btn {
  display: inline-block; margin-top: 16px; padding: 8px 18px;
  border: 1px solid var(--accent2); color: var(--accent2) !important; text-decoration: none;
}
.door-btn:hover { background: var(--accent2); color: #000 !important; }
.center { text-align: center; }

/* ---- エラー/改造中 ---- */
.err-window {
  max-width: 460px; margin: 12vh auto 0;
  border: 2px outset #777; background: #c0c0c0; color: #000;
  font-family: "MS UI Gothic", "MS PGothic", sans-serif; font-size: 13px;
}
.err-window__bar {
  background: linear-gradient(90deg, #000080, #1084d0); color: #fff;
  padding: 2px 6px; font-weight: bold; display: flex; justify-content: space-between;
}
.err-window__x { border: 1px outset #ddd; background: #c0c0c0; color: #000; width: 16px; text-align: center; line-height: 14px; font-size: 11px; }
.err-window__body { padding: 16px; display: flex; gap: 14px; }
.err-window__icon {
  flex: 0 0 32px; height: 32px; border-radius: 50%;
  background: #d00; color: #fff; font-weight: bold; text-align: center; line-height: 32px; font-size: 20px;
}
.err-window__body p { margin: 0 0 .6em; }
.err-window__btns { text-align: center; padding: 0 0 14px; }
.err-window__btns a {
  display: inline-block; min-width: 88px; padding: 2px 10px; margin: 0 4px;
  border: 2px outset #eee; background: #c0c0c0; color: #000; text-decoration: none;
}
.err-code { font-family: "Courier New", monospace; color: #444; font-size: 11px; }

@media (max-width: 480px) {
  body { font-size: 14px; }
  .wrap { padding: 10px; }
  .menu a { min-width: 0; flex: 1 1 40%; }
}

/* エラー画面の見出し・補足（404/403） */
.err-title { font-size: 17px; margin: 0 0 .6em; line-height: 1.5; color: #000; }
.err-note { font-size: 12px; color: #333; }
@media (max-width: 480px) {
  .err-window { margin-top: 6vh; }
  .err-window__body { flex-direction: column; gap: 8px; }
  .err-window__icon { width: 32px; align-self: flex-start; }
}