/* WorldTimeStatic 共通スタイル (K1/K6: フレームワーク不使用、BIZ UD優先システムフォント) */
:root {
  --ink: #222;
  --muted: #667;
  --line: #d8dce2;
  --brand: #1a5276;
  --brand-light: #eaf2f8;
  --accent: #c0392b;
  --working: #fdf2cc;
  --bg: #fff;
  --maxw: 900px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "BIZ UDPGothic", "BIZ UDGothic", "Hiragino Sans",
    "Noto Sans CJK JP", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--brand); }
a:hover { text-decoration: none; }

img { max-width: 100%; height: auto; }

.muted { color: var(--muted); font-size: .9em; }

/* ---- ヘッダー ---- */
.site-header {
  background: var(--brand);
  color: #fff;
}
.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .6rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem 1.2rem;
}
.site-title { font-size: 1.25rem; font-weight: 700; margin: 0; }
.site-title a { color: #fff; text-decoration: none; }
.site-title .sub { font-size: .8rem; font-weight: 400; opacity: .85; margin-left: .5rem; }
.site-nav { margin-left: auto; }
.site-nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 1rem;
  font-size: .95rem;
}
.site-nav a:hover { text-decoration: underline; }

/* ---- パンくず ---- */
.breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .4rem 1rem 0;
  font-size: .85rem;
  color: var(--muted);
}
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.breadcrumb li + li::before { content: "›"; margin: 0 .45em; color: var(--muted); }

/* ---- 本文 ---- */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .5rem 1rem 2.5rem;
}
h1 { font-size: 1.45rem; border-bottom: 3px solid var(--brand); padding-bottom: .25rem; margin: .8rem 0; }
h2 { font-size: 1.15rem; background: var(--brand-light); border-left: 5px solid var(--brand); padding: .25rem .6rem; margin: 1.8rem 0 .7rem; }
h3 { font-size: 1.02rem; margin: 1.2rem 0 .4rem; }

/* ---- 現在時刻ブロック ---- */
.localtime {
  background: var(--brand-light);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin: 1rem 0;
}
.localtime .clockbig {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}
.localtime .tzabbr { font-size: 1rem; font-weight: 400; margin-left: .5rem; }
.localtime .dstflag { color: var(--accent); font-weight: 700; margin-left: .6rem; font-size: .95rem; }
.localtime ul { margin: .6rem 0 0; padding-left: 1.2em; }
.localtime .jst { margin: .4rem 0 0; }

/* ---- テーブル ---- */
.scroll-x { overflow-x: auto; }
table { border-collapse: collapse; margin: .6rem 0; }
th, td { border: 1px solid var(--line); padding: .3rem .55rem; }
th { background: var(--brand-light); font-weight: 700; text-align: left; }
table.list { width: 100%; font-size: .95rem; }
table.list td { vertical-align: top; }
table.wtable th, table.wtable td { text-align: center; padding: .25rem .4rem; font-variant-numeric: tabular-nums; }
table.wtable td.working { background: var(--working); }
.next { margin-top: 1rem; font-weight: 700; color: var(--accent); }
.dstmark { color: var(--accent); }
time[data-clock] { font-variant-numeric: tabular-nums; }

/* ---- フォーム ---- */
form.convert { margin: .5rem 0 1rem; }
select { font: inherit; padding: .15rem .2rem; }
button {
  font: inherit;
  padding: .25rem .9rem;
  border: 1px solid var(--brand);
  background: var(--brand);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
}
button:hover { opacity: .9; }
.result { margin: .4rem 0; font-weight: 700; }

/* ---- 検索 ---- */
input#q {
  font: inherit;
  width: 100%;
  max-width: 26rem;
  padding: .45rem .7rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}
#results ul { list-style: none; padding: 0; }
#results li { padding: .25rem 0; border-bottom: 1px dashed var(--line); }

/* ---- ホーム ---- */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: .5rem;
  margin: .8rem 0;
  padding: 0;
  list-style: none;
}
.region-grid a {
  display: block;
  background: var(--brand-light);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .5rem .8rem;
  text-decoration: none;
  font-weight: 700;
}
.clock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: .6rem;
  margin: .8rem 0;
  padding: 0;
  list-style: none;
}
.clock-grid li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .5rem .7rem;
}
.clock-grid .city { font-weight: 700; }
.clock-grid .city .cc { font-weight: 400; color: var(--muted); font-size: .85em; margin-left: .35em; }
.clock-grid time {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.link-cols { columns: 4 10rem; column-gap: 1.2rem; }
.link-cols ul { margin: 0; padding-left: 1.2em; break-inside: avoid; }
.worldmap { margin: .8rem 0; }
.worldmap .credit { font-size: .75rem; color: var(--muted); }
@media (max-width: 620px) { .worldmap { display: none; } }

/* ---- フッター ---- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  font-size: .85rem;
  color: var(--muted);
}
.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
}
.site-footer a { color: var(--muted); }

/* ---- noscript ---- */
.noscript-warn {
  background: #fff3cd;
  border: 1px solid #e0c060;
  padding: .6rem 1rem;
  border-radius: 6px;
  margin: .8rem 0;
}

/* ---- 世界の天気地図 ---- */
.mapwrap { position: relative; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.mapwrap svg { display: block; width: 100%; height: auto; touch-action: none; cursor: grab; }
.mapctl { position: absolute; top: .5rem; left: .5rem; z-index: 2; display: flex; gap: .3rem; }
.mapctl button { padding: .15rem .6rem; }
#worldmap .sea { fill: #dceaf5; }
#worldmap .land { fill: #f4f1ea; stroke: #b9c2cc; stroke-width: .3; }
#worldmap .ct { fill: var(--brand); opacity: .85; }
#worldmap .lbl, #worldmap .tmp { font-size: 3.2px; fill: #333; display: none; paint-order: stroke; stroke: #fff; stroke-width: .6; }
#worldmap.z2 .tmp { display: block; }
#worldmap.z3 .lbl { display: block; }
#worldmap a { cursor: pointer; }
#worldmap .t-frigid { fill: #4b0082; }
#worldmap .t-cold  { fill: #1a4fc4; }
#worldmap .t-cool  { fill: #2e9dd6; }
#worldmap .t-mild  { fill: #3cb371; }
#worldmap .t-warm  { fill: #e8a020; }
#worldmap .t-hot   { fill: #d0342c; }

/* ---- ダークモード(OS設定連動) ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e2e5e9;
    --muted: #98a2ad;
    --line: #3a424b;
    --brand: #7ab4dc;
    --brand-light: #1d2a36;
    --accent: #ff8a7a;
    --working: #4a3f1e;
    --bg: #14171a;
  }
  .site-header { background: #10222f; }
  button { background: #2a5878; border-color: #2a5878; }
  .noscript-warn { background: #3a331b; border-color: #7a6a30; color: var(--ink); }
  #worldmap .sea { fill: #101c26; }
  #worldmap .land { fill: #2b3138; stroke: #4a525b; }
  #worldmap .lbl, #worldmap .tmp { fill: #dde2e8; stroke: #14171a; }
  #worldmap .t-cold { fill: #5b83e8; }
  input#q, select { background: #1d2228; color: var(--ink); border-color: var(--line); }
}