/* 韓国語試験ドットコム — 定番の情報サイトの作り (2 段組み・帯の見出し・下線リンク)。明るい表示だけ。 */
:root {
  --navy: #1f3c6e;
  --navy-dark: #162c52;
  --red: #c8102e;
  --link: #1a4fa0;
  --visited: #5a3d8a;
  --text: #222;
  --muted: #666;
  --line: #c9ced6;
  --line-soft: #e2e5ea;
  --head-bg: #eef2f7;
  --box-bg: #f7f8fa;
  --note-bg: #fffbea;
  --note-line: #e6d9a8;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #e9ecf0;
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, "Yu Gothic", sans-serif;
  font-size: 14px;
  line-height: 1.7;
}
:lang(ko), .ko { font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Hiragino Kaku Gothic ProN", sans-serif; }
a { color: var(--link); }
a:visited { color: var(--visited); }
a:hover { color: var(--red); }
img { max-width: 100%; height: auto; }
p { margin: 0 0 12px; }

.page { max-width: 980px; margin: 0 auto; background: #fff; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }

/* ヘッダー */
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px; }
.tagline { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.logo { text-decoration: none; font-weight: bold; font-size: 26px; letter-spacing: .02em; line-height: 1.2; color: var(--navy) !important; }
.logo .ko-part { color: var(--red); }
/* 試験日: 1 つの枠に 2 行。列 (試験・残り日数・日付) をそろえる */
.countdowns { display: grid; grid-template-columns: auto auto auto; border: 1px solid var(--line); background: var(--box-bg); font-size: 12px; line-height: 1.5; white-space: nowrap; }
.countdowns:empty { display: none; }
.countdown { display: contents; }
.countdown > span { padding: 3px 8px; }
.countdown > span + span { padding-left: 0; }
.countdown > span:nth-child(2) { text-align: right; }
.countdown + .countdown > span { border-top: 1px dotted var(--line); }
.countdown > span.cd-today { grid-column: 1 / -1; }
.countdown strong { color: var(--red); font-size: 16px; line-height: 1; }

.gnav { background: var(--navy); border-top: 1px solid var(--navy-dark); border-bottom: 3px solid var(--red); }
.gnav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.gnav li { border-right: 1px solid #3a5a8f; }
.gnav li:first-child { border-left: 1px solid #3a5a8f; }
.gnav a, .gnav a:visited { display: block; color: #fff; text-decoration: none; padding: 8px 16px; font-weight: bold; font-size: 14px; }
.gnav a:hover { background: var(--navy-dark); color: #fff; }
.gnav a[aria-current="page"] { background: #fff; color: var(--navy); }

.crumbs { font-size: 12px; padding: 8px 12px; border-bottom: 1px dotted var(--line); color: var(--muted); }

/* 2 段組み */
.cols { display: flex; gap: 20px; padding: 14px 12px 24px; align-items: flex-start; }
.main { flex: 1 1 auto; min-width: 0; }
.side { flex: 0 0 250px; }

/* 見出し */
h1 { font-size: 20px; margin: 4px 0 12px; padding: 6px 10px; border-left: 6px solid var(--red); border-bottom: 1px solid var(--line); background: var(--head-bg); line-height: 1.4; }
h2 { font-size: 16px; margin: 24px 0 10px; padding: 5px 10px; border-left: 5px solid var(--navy); background: linear-gradient(#f4f6f9, #e9edf3); border-bottom: 1px solid var(--line); }
h3 { font-size: 15px; margin: 18px 0 8px; padding-bottom: 3px; border-bottom: 1px dotted var(--line); }
h3::before { content: "■"; color: var(--navy); margin-right: 4px; font-size: 12px; vertical-align: 1px; }

/* リスト */
ul.links { list-style: none; margin: 0 0 12px; padding: 0; }
ul.links li { padding: 3px 0 3px 14px; position: relative; border-bottom: 1px dotted var(--line-soft); }
ul.links li::before { content: ""; position: absolute; left: 3px; top: .8em; width: 5px; height: 5px; background: var(--navy); }
ul.links .date { color: var(--muted); font-size: 12px; margin-right: 8px; font-family: monospace, sans-serif; }
ul.cols2 { columns: 2; column-gap: 20px; }

/* 表 */
.table-wrap { overflow-x: auto; margin: 6px 0 12px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: var(--head-bg); font-weight: bold; white-space: nowrap; }
td.nowrap { white-space: nowrap; }
td.num, th.num { text-align: center; }

/* 囲み */
.box { border: 1px solid var(--line); background: var(--box-bg); padding: 10px 12px; margin: 0 0 12px; }
.note { border: 1px solid var(--note-line); background: var(--note-bg); padding: 8px 10px; font-size: 13px; margin: 8px 0 12px; }
.small { font-size: 12px; color: var(--muted); }
.sources ul { margin: 4px 0 0; padding-left: 18px; }
.mark-sample { white-space: nowrap; font-size: 11px; color: #a33; border: 1px solid #d9a3a3; padding: 0 4px; margin-left: 4px; font-weight: normal; vertical-align: 1px; }
.more { text-align: right; font-size: 13px; }

/* ボタン (定番のグレー) */
.button, a.button, a.button:visited { display: inline-block; padding: 5px 14px; border: 1px solid #9aa3ad; border-radius: 3px; background: linear-gradient(#ffffff, #e3e7ec); color: #222; text-decoration: none; font-size: 14px; cursor: pointer; font-family: inherit; }
.button:hover { background: linear-gradient(#ffffff, #d6dce3); color: #222; }
.button.go, a.button.go, a.button.go:visited { border-color: var(--navy-dark); background: linear-gradient(#3a5c95, var(--navy)); color: #fff; font-weight: bold; }

/* サイドバー */
.side .widget { border: 1px solid var(--line); margin-bottom: 14px; }
.side .widget h4 { margin: 0; font-size: 13px; padding: 5px 8px; background: var(--navy); color: #fff; }
.side .widget .body { padding: 6px 8px; font-size: 13px; }
.side ul.links li { font-size: 13px; }
.side .exam-date { border-bottom: 1px dotted var(--line); padding: 4px 0; }
.side .exam-date:last-child { border-bottom: 0; }
.side .exam-date b { color: var(--red); }

/* 記事本文 */
.article-body h2 { font-size: 16px; }
.article-body figure { margin: 0; overflow-x: auto; }
.article-body blockquote { margin: 12px 0; padding: 8px 12px; border: 1px solid var(--note-line); background: var(--note-bg); }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body table { margin: 8px 0; }

/* アプリの案内 (文字中心) */
.app-box { border: 1px solid var(--line); padding: 10px 12px; margin: 0 0 12px; }
.app-box .name { font-weight: bold; font-size: 15px; }
.app-box p { margin: 4px 0 8px; font-size: 13px; }

/* 文法ドリル */
.quiz-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-bottom: 10px; }
.quiz-q { margin: 0 0 4px; font-weight: bold; }
.quiz-sentence { font-size: 20px; padding: 12px; border: 1px solid var(--line); background: #fff; margin: 6px 0 12px; line-height: 1.6; }
.quiz-sentence .blank { color: var(--red); }
.quiz-choices { list-style: none; margin: 0 0 12px; padding: 0; }
.quiz-choices li { padding: 6px 4px; border-bottom: 1px dotted var(--line); font-size: 17px; display: flex; gap: 10px; align-items: baseline; }
.quiz-choices li .n { font-family: sans-serif; font-size: 13px; font-weight: bold; color: var(--navy); width: 1.6em; }
.quiz-choices li.is-answer { background: #fdeeee; }
.quiz-choices li.is-picked:not(.is-answer) { background: #eef1f6; }
.quiz-answers { display: flex; gap: 8px; margin: 10px 0 14px; }
.quiz-answers .button { min-width: 56px; font-size: 18px; padding: 6px 0; text-align: center; font-weight: bold; }
.quiz-result { border: 1px solid var(--line); padding: 10px 12px; margin-bottom: 12px; display: none; }
.quiz-result.show { display: block; }
.quiz-result .verdict { font-size: 18px; font-weight: bold; margin-bottom: 4px; }
.quiz-result .verdict .ok { color: var(--red); }
.quiz-result .verdict .ng { color: #1a4fa0; }
.quiz-result .kaisetsu { border-top: 1px dotted var(--line); margin-top: 8px; padding-top: 8px; }
.quiz-result .kaisetsu b { display: block; margin-bottom: 2px; }
.quiz-next { text-align: right; }
.score-line { font-size: 16px; margin: 8px 0 12px; }
.score-line strong { color: var(--red); font-size: 22px; }

/* フッター */
.foot { background: #4a525c; color: #e6e9ed; font-size: 12px; padding: 12px; }
.foot a, .foot a:visited { color: #fff; }
.foot .links a { margin-right: 4px; }
.foot p { margin: 6px 0 0; }

/* スマホ */
@media (max-width: 760px) {
  body { font-size: 15px; background: #fff; }
  .page { border: 0; }
  .logo { font-size: 21px; }
  .head { flex-wrap: wrap; gap: 6px; }
  .gnav ul { display: grid; grid-template-columns: repeat(3, 1fr); }
  .gnav li, .gnav li:first-child { border-left: 0; border-right: 1px solid #3a5a8f; border-bottom: 1px solid #3a5a8f; }
  .gnav li:nth-child(3n) { border-right: 0; }
  .gnav a { text-align: center; padding: 9px 4px; }
  .cols { display: block; padding: 10px 12px 20px; }
  .side { margin-top: 20px; }
  ul.cols2 { columns: 1; }
  .quiz-answers .button { flex: 1; }
}

/* 文法ドリルが主役の構成 (2026-10-17) */
.level-table th { width: 1%; vertical-align: middle; font-size: 14px; }
.level-cells { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.level-cells li { border: 1px solid var(--line); padding: 4px 10px; background: #fff; font-size: 14px; line-height: 1.5; }
.level-cells li.ready { border-color: #8fa3c4; background: #f2f6fc; }
.level-cells li.ready a { font-weight: bold; }
.level-cells li.todo { color: #999; background: #f4f4f4; }
.level-cells .count { font-size: 11px; color: var(--muted); margin-left: 6px; }
.level-cells .best { font-size: 11px; color: var(--red); margin-left: 6px; }
.lead-drill { font-size: 15px; margin-bottom: 8px; }
.today { border: 2px solid var(--navy); padding: 10px 12px; margin: 0 0 16px; background: #fff; }
.today-head { font-weight: bold; color: var(--navy); border-bottom: 1px dotted var(--line); padding-bottom: 4px; margin-bottom: 6px; }
.today-sentence { font-size: 19px; margin: 6px 0 10px; }
.today-sentence .blank { color: var(--red); }
.today-choices { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.today-choices .button { font-size: 15px; }
.today-result { display: none; border-top: 1px dotted var(--line); padding-top: 8px; font-size: 13px; }
.today-result.show { display: block; }
.today-result b.ok { color: var(--red); font-size: 15px; }
.today-result b.ng { color: var(--link); font-size: 15px; }
.side .today { border-width: 1px; }
.side .today-sentence { font-size: 16px; }
.side .today-choices .button { font-size: 13px; padding: 3px 8px; }
.level-table .short { display: none; }
@media (max-width: 760px) {
  .countdowns { width: 100%; grid-template-columns: auto auto 1fr; }
  .level-table .full { display: none; }
  .level-table .short { display: inline; }
}

/* 出題の設定 */
.setup { border: 1px solid var(--line); background: var(--box-bg); padding: 12px 14px; margin-bottom: 16px; }
.setup-title { font-weight: bold; font-size: 15px; color: var(--navy); border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-bottom: 10px; }
.setup-mode { display: block; padding: 6px 0; cursor: pointer; }
.setup-mode input { margin-right: 6px; }
.setup-points { margin: 4px 0 10px 22px; padding: 8px 10px; border: 1px solid var(--line); background: #fff; }
.setup-points.disabled { opacity: .5; }
.setup-grid { list-style: none; margin: 0 0 8px; padding: 0; columns: 2; column-gap: 16px; }
.setup-grid li { padding: 3px 0; break-inside: avoid; font-size: 13px; }
.setup-grid input { margin-right: 4px; }
.setup-bulk .button { font-size: 12px; padding: 2px 10px; }
.setup-warn { color: var(--red); font-size: 13px; min-height: 1em; margin-bottom: 6px; }
.setup-start { font-size: 16px; padding: 7px 24px; }
.button:disabled { opacity: .5; cursor: default; }
.quiz-quit { margin-top: 12px; }
@media (max-width: 760px) {
  .setup-grid { columns: 1; }
  .setup-points { margin-left: 0; }
}

/* ストアのバッジ (公式の画像をそのまま使う) */
.store-badges { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 6px 0 8px; }
.store-badges img { height: 40px; width: auto; display: block; }
.app-box .pdf-link { font-size: 13px; margin: 0; }
.side .store-badges img { height: 34px; }

/* 提携 (PR) の枠 */
.pr-tag { display: inline-block; font-size: 11px; font-weight: bold; color: #fff; background: #8a8f96; padding: 0 5px; vertical-align: 2px; line-height: 1.6; }
.pr-box { border: 1px solid var(--line); padding: 10px 12px; margin: 0 0 10px; }
.pr-box .pr-head { margin-bottom: 4px; }
.pr-box p { font-size: 13px; margin: 0 0 8px; }

.main > h2:first-child { margin-top: 0; }

/* 級のボタン */
.level-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.level-button, a.level-button:visited { min-width: 76px; text-align: center; font-weight: bold; font-size: 15px; padding: 7px 12px; color: var(--navy); }
.level-button .best { display: block; font-size: 10px; font-weight: normal; color: var(--red); line-height: 1.2; }
.level-button .best:empty { display: none; }
.level-table td { padding: 8px; }
@media (max-width: 760px) {
  .level-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .level-button, a.level-button:visited { min-width: 0; padding: 8px 4px; }
}

/* 間違えた問題・これまでの記録 */
.setup-mode.off { color: #999; cursor: default; }
.history { border: 1px solid var(--line); padding: 10px 14px; margin-bottom: 16px; }

/* 道場型: チェック・文法項目ごとの成績 */
.quiz-qline { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.quiz-check { font-size: 13px; white-space: nowrap; cursor: pointer; border: 1px solid var(--line); padding: 1px 8px; background: #fff; }
.quiz-check input { margin-right: 2px; }
.point-stats { margin: 6px 0; border: 1px solid var(--line); padding: 6px 10px; }
.point-stats summary { cursor: pointer; font-size: 13px; color: var(--link); }
.point-stats .table-wrap { margin-top: 8px; }

/* 間違えた問題・チェックした問題の一覧 (設定の下) */
.review-list { border: 1px solid var(--line); padding: 6px 10px; margin: 0 0 10px; background: #fff; }
.review-list summary { cursor: pointer; font-weight: bold; color: var(--navy); }
.review-list .table-wrap { margin-top: 8px; }
.review-empty { margin: 0 0 8px; }

/* 文法ドリルのページ: 設定の中の級ボタン */
.setup-label { font-weight: bold; font-size: 13px; margin: 8px 0 4px; color: var(--text); }
.setup .level-table { background: #fff; }
.level-button.is-selected, a.level-button.is-selected:visited { background: linear-gradient(#3a5c95, var(--navy)); border-color: var(--navy-dark); color: #fff; }

/* メニューの短い名前 (スマホだけ) */
.gnav .short { display: none; }
@media (max-width: 760px) {
  .gnav .full { display: none; }
  .gnav .short { display: inline; }
}

/* 文法項目ごとの正答率: 級ごとの欄 (入れ子) */
.review-sub { border: 1px solid var(--line-soft); margin: 8px 0 0; padding: 4px 10px; background: var(--box-bg); }
.review-sub summary { cursor: pointer; font-weight: bold; font-size: 13px; color: var(--navy); }
.review-sub .table-wrap { margin-top: 6px; }

/* アプリのアイコン */
.app-head { display: flex; gap: 12px; align-items: center; margin-bottom: 4px; }
.app-icon { width: 64px; height: 64px; border-radius: 14px; border: 1px solid var(--line-soft); flex: 0 0 auto; }
.app-box .own { color: var(--muted); }