@charset "UTF-8";
/* =========================================================
   中里研究室 ホームページ  スタイルシート
   テーマ：今どきの読みやすさ ＋ ほんのり平成HP
   （方眼の背景・ウィンドウ風の見出しバー・立体ボタン）
   ========================================================= */

:root {
  --bg: #eef3fa;
  --grid: #dfe8f4;
  --paper: #ffffff;
  --ink: #1d2433;
  --ink-soft: #5a6478;
  --line: #d3dceb;
  --navy: #1c3a78;
  --navy2: #4a76c0;
  --face: #e6e8ec;
  --hi: #ffffff;
  --lo: #9aa3b2;
  --link: #1d4ed8;
  --accent: #e0457b;
  --mark: #fff6c2;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Consolas", "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 20px 20px;
}

a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid #f59e0b; outline-offset: 2px;
}
img { max-width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--mark); padding: 8px 12px; border: 2px solid var(--ink); }
.skip:focus { left: 8px; top: 8px; }

/* ---------- 外枠 ---------- */
.frame {
  max-width: 880px;
  margin: 24px auto 40px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 4px 4px 0 rgba(28, 58, 120, .12);
}

/* ---------- ヘッダー ---------- */
.masthead {
  padding: 22px 24px 18px;
  background: linear-gradient(180deg, var(--navy) 0%, #2d5aa8 100%);
  color: #fff;
  border-bottom: 3px double rgba(255,255,255,.55);
}
.logo { display: inline-flex; flex-direction: column; color: #fff; text-decoration: none; line-height: 1.3; }
.logo:hover { color: #fff; }
.univ { font-size: 12.5px; letter-spacing: .06em; opacity: .85; }
.logo-main { font-size: clamp(28px, 5.5vw, 38px); font-weight: 800; letter-spacing: .1em; text-shadow: 2px 2px 0 rgba(0,0,0,.25); }
.logo-sub { font-size: 14px; letter-spacing: .12em; opacity: .9; }

/* ---------- グローバルナビ（立体ボタン） ---------- */
.gnav { background: var(--face); border-bottom: 1px solid var(--lo); padding: 8px 12px; }
.gnav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.gnav a {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px;
  color: var(--ink); text-decoration: none; font-size: 14.5px; font-weight: 700;
  background: linear-gradient(#fbfbfc, #e9ebef);
  border: 1px solid; border-color: var(--hi) var(--lo) var(--lo) var(--hi);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.gnav a:hover { background: var(--mark); color: var(--ink); }
.gnav a:active { border-color: var(--lo) var(--hi) var(--hi) var(--lo); }
.gnav a[aria-current="page"] {
  background: var(--navy); color: #fff;
  border-color: #0f2350 #6e8fcf #6e8fcf #0f2350;
}

main { padding: 24px 28px 32px; min-width: 0; }
main:focus { outline: none; }

/* ---------- ページ見出し ---------- */
.crumb ol { list-style: none; margin: 0 0 6px; padding: 0; font-size: 13px; color: var(--ink-soft); display: flex; flex-wrap: wrap; }
.crumb li + li::before { content: "›"; margin: 0 .5em; }
.page-h {
  margin: 0 0 18px; padding: 0 0 8px;
  font-size: 26px; line-height: 1.4;
  border-bottom: 2px solid var(--navy);
  position: relative;
}
.page-h::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 72px; height: 2px; background: var(--accent); }
.page-lead { margin: -6px 0 18px; color: var(--ink-soft); }

/* ---------- ウィンドウ風ボックス（ほんのり平成） ---------- */
.win {
  border: 1px solid var(--lo);
  background: var(--paper);
  margin: 0 0 22px;
  box-shadow: 2px 2px 0 rgba(28, 58, 120, .10);
}
.win-title {
  margin: 0; padding: 5px 12px;
  font-size: 15px; line-height: 1.6; font-weight: 700; letter-spacing: .04em;
  color: #fff;
  background: linear-gradient(90deg, var(--navy), var(--navy2));
}
.win-body { padding: 16px 18px; }
.win-body > :first-child { margin-top: 0; }
.win-body > :last-child { margin-bottom: 0; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; flex-direction: column; justify-content: center;
  padding: 6px 16px; min-height: 42px;
  font: 700 14px/1.5 var(--font);
  color: var(--ink); text-decoration: none; cursor: pointer;
  background: linear-gradient(#fbfbfc, #e9ebef);
  border: 1px solid; border-color: var(--hi) var(--lo) var(--lo) var(--hi);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.btn:hover { background: var(--mark); color: var(--ink); }
.btn:active { border-color: var(--lo) var(--hi) var(--hi) var(--lo); }

.more { margin: 12px 0 0; text-align: right; font-weight: 700; font-size: 14.5px; }

.new {
  display: inline-block; margin-left: 6px; padding: 0 6px;
  font: 700 10.5px/1.7 var(--font); letter-spacing: .06em;
  color: #fff; background: var(--accent); border-radius: 2px; vertical-align: 2px;
}

/* ---------- トップ ---------- */
.welcome { margin: 0 0 22px; font-size: 15.5px; color: var(--ink-soft); }

.news { margin: 0; }
.news-row { display: grid; grid-template-columns: 7.2em 1fr; gap: 10px; padding: 10px 2px; border-bottom: 1px dashed var(--line); }
.news-row:first-child { padding-top: 0; }
.news-row:last-child { border-bottom: 0; }
.news dt { font: 700 14px/1.9 var(--mono); color: var(--navy); }
.news dd { margin: 0; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card {
  display: flex; flex-direction: column; height: 100%;
  padding: 16px 16px 14px; text-decoration: none; color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--lo); border-top: 4px solid var(--navy2);
  box-shadow: 2px 2px 0 rgba(28, 58, 120, .10);
  transition: transform .12s, box-shadow .12s;
}
.card:hover { color: var(--ink); transform: translate(-1px, -2px); box-shadow: 4px 5px 0 rgba(28, 58, 120, .16); border-top-color: var(--accent); }
.card-icon { font-size: 26px; line-height: 1; margin-bottom: 8px; }
.card-t { font-size: 17px; font-weight: 800; color: var(--navy); }
.card-d { font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; margin: 4px 0 10px; flex: 1; }
.card-go { font-size: 13px; font-weight: 700; color: var(--link); }
@media (prefers-reduced-motion: reduce) { .card { transition: none; } .card:hover { transform: none; } }

/* ---------- イベント一覧（行全体がリンク） ---------- */
.ev-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ev-item {
  display: grid; grid-template-columns: 7.2em 1fr auto; gap: 12px; align-items: center;
  padding: 14px 16px; text-decoration: none; color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--lo); border-left: 5px solid var(--navy2);
  box-shadow: 2px 2px 0 rgba(28, 58, 120, .08);
}
.ev-item:hover { color: var(--ink); background: #fffbe6; border-left-color: var(--accent); }
.ev-date { font: 700 14px var(--mono); color: var(--navy); }
.ev-title { font-size: 17px; font-weight: 700; color: var(--link); }
.ev-sum { display: block; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }
.ev-go { font-size: 26px; color: var(--navy2); line-height: 1; }

/* ---------- リンク集 ---------- */
.links { list-style: none; margin: 0; padding: 0; }
.links li { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.links li:first-child { padding-top: 0; }
.links li:last-child { border-bottom: 0; padding-bottom: 0; }
.links a { font-weight: 700; }
.link-desc { display: block; font-size: 14px; color: var(--ink-soft); }
.link-url { display: block; font: 12px var(--mono); color: #2f7a3a; word-break: break-all; }
.ext { font-size: .85em; margin-left: 3px; }

/* ---------- 研究紹介 ---------- */
.motto {
  text-align: center; font-size: 20px; font-weight: 800; color: var(--navy);
  background: #f3f7fd; border: 1px dashed var(--navy2); padding: 12px; margin: 18px 0;
}
.motto span { display: block; font-size: 12.5px; color: var(--ink-soft); font-weight: 700; letter-spacing: .1em; }
.toc { margin: 0 0 18px; padding: 10px 12px 10px 2em; background: #f6f8fb; border: 1px solid var(--line); font-size: 14.5px; }
.res { margin-bottom: 20px; scroll-margin-top: 12px; }
.res h3, .sub-h { margin: 18px 0 8px; padding: 2px 0 2px 10px; font-size: 18px; border-left: 5px solid var(--accent); }
.res-lead { font-weight: 700; color: var(--navy); }
table.prof { border-collapse: collapse; width: 100%; margin-bottom: 8px; }
.prof th, .prof td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.prof th { background: #f0f4fa; width: 6em; white-space: nowrap; }

/* ---------- レポート ---------- */
.meta { margin: 0 0 18px; padding: 10px 14px; background: #f6f8fb; border: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 4px 28px; font-size: 14.5px; }
.meta div { display: flex; gap: 8px; }
.meta dt { font-weight: 700; color: var(--navy); }
.meta dd { margin: 0; }
.rep-body { font-size: 16.5px; }
.rep-body p { margin: 0 0 1em; }
.gallery { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.gallery img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 4px solid #fff; outline: 1px solid var(--lo); box-shadow: 2px 2px 0 rgba(0,0,0,.12); }
.pager { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; }
.pager .btn { text-align: center; }
.pager a[rel="prev"] { text-align: left; }
.pager a[rel="next"] { text-align: right; }
.pg-t { display: block; font-weight: 400; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- フッター ---------- */
.foot { text-align: center; padding: 18px 16px 20px; border-top: 3px double var(--line); background: #f6f8fb; font-size: 14px; }
.foot p { margin: 4px 0; }
.foot-nav { list-style: none; margin: 0 0 6px; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 18px; }
.totop { font-size: 13px; }
.copy small { font-size: 12.5px; color: var(--ink-soft); }

/* ---------- プレビュー表示中バー ---------- */
.draft-bar { position: sticky; top: 0; z-index: 50; padding: 8px 12px; text-align: center; font-size: 14px; font-weight: 700; background: #fff1a8; border-bottom: 1px solid #d6b600; }
.draft-bar button { font: inherit; font-size: 13px; cursor: pointer; margin-left: 6px; }

/* ---------- スマホ ---------- */
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .frame { margin: 0; border-width: 0; box-shadow: none; }
  .masthead { padding: 16px 16px 14px; }
  .gnav { padding: 8px; }
  .gnav ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
  .gnav li { display: flex; }
  .gnav a { flex: 1; justify-content: center; padding: 0 4px; font-size: 13px; text-align: center; line-height: 1.3; }
  main { padding: 18px 16px 24px; }
  .page-h { font-size: 22px; }
  .win-body { padding: 14px; }
  .news-row { grid-template-columns: 1fr; gap: 0; }
  .cards { grid-template-columns: 1fr; gap: 10px; }
  .card { flex-direction: row; flex-wrap: wrap; align-items: center; column-gap: 10px; }
  .card-icon { margin: 0; }
  .card-d { flex-basis: 100%; margin: 2px 0 0; }
  .card-go { display: none; }
  .ev-item { grid-template-columns: 1fr auto; gap: 2px 10px; }
  .ev-date { grid-column: 1; }
  .ev-main { grid-column: 1; }
  .ev-go { grid-column: 2; grid-row: 1 / span 2; }
  .pager { grid-template-columns: 1fr; }
  .pager a { text-align: center !important; }
  .pager > span:empty { display: none; }
}

@media print {
  body { background: #fff; }
  .gnav, .draft-bar, .pager, .skip, .foot-nav, .totop { display: none !important; }
  .frame, .win { border: 0; box-shadow: none; }
  .win-title { background: none; color: #000; border-bottom: 2px solid #000; }
}

/* =========================================================
   管理ページ
   ========================================================= */
.admin-wrap { max-width: 1080px; }
.admin-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 18px; color: #fff; background: linear-gradient(90deg, var(--navy), var(--navy2)); }
.admin-head h1 { margin: 0; font-size: 18px; }
.admin-head .sp { flex: 1; }
.admin-head a { color: #fff; }

.tabs { display: flex; flex-wrap: wrap; gap: 3px; padding: 10px 12px 0; background: var(--face); border-bottom: 1px solid var(--lo); }
.tab {
  font: 700 14px var(--font); padding: 8px 14px; cursor: pointer; color: var(--ink);
  background: linear-gradient(#fbfbfc, #e9ebef);
  border: 1px solid; border-color: var(--hi) var(--lo) transparent var(--hi);
  position: relative; top: 1px;
}
.tab[aria-selected="true"] { background: #fff; z-index: 1; border-bottom-color: #fff; }
.tabpanel { padding: 18px; background: #fff; }

.adm-grid { display: grid; grid-template-columns: minmax(220px, 320px) 1fr; gap: 18px; align-items: start; }
.adm-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--lo); background: #fff; max-height: 70vh; overflow: auto; }
.adm-list li { display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.adm-grid > div { min-width: 0; }
.adm-list button.pick { flex: 1; min-width: 0; overflow-wrap: anywhere; word-break: break-word; text-align: left; padding: 8px 10px; font: 14px/1.5 var(--font); background: none; border: 0; cursor: pointer; color: var(--ink); }
.adm-list button.pick:hover { background: #fffbe6; }
.adm-list li.sel { background: var(--navy); }
.adm-list li.sel button.pick { color: #fff; }
.adm-list .mv { flex: none; min-width: 32px; min-height: 40px; border: 0; background: none; cursor: pointer; padding: 6px; font-size: 13px; }
.adm-list .mv:disabled { opacity: .3; cursor: default; }
.adm-list li.sel .mv { color: #fff; }
.adm-list small { display: block; opacity: .75; }
.adm-tools { display: flex; gap: 6px; margin: 0 0 8px; flex-wrap: wrap; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 4px; font-weight: 700; font-size: 14px; }
.form .hint, .hint { font-weight: 400; font-size: 12.5px; color: var(--ink-soft); }
.form input, .form textarea, .form select { font: 15px/1.6 var(--font); padding: 7px 9px; width: 100%; border: 1px solid var(--lo); border-radius: 2px; background: #fff; color: var(--ink); }
.form textarea { min-height: 7em; resize: vertical; }
.form textarea.tall { min-height: 16em; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn.primary { background: linear-gradient(#e4eeff, #cddffd); }
.btn.danger { background: linear-gradient(#fff0f0, #ffd9d9); }
.empty { color: var(--ink-soft); padding: 20px; text-align: center; border: 1px dashed var(--lo); }

.notice { padding: 10px 14px; margin: 0 0 16px; border: 1px solid #d6b600; background: #fff8d0; font-size: 14px; }
.notice.info { border-color: #8fb0e3; background: #f0f5fd; }
.steps { margin: 6px 0 0; padding-left: 1.4em; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; font-weight: 700; padding: 10px 18px; border-radius: 3px; z-index: 200; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }

@media (max-width: 720px) {
  .adm-grid { grid-template-columns: minmax(0, 1fr); }
  .hint-wide { display: none; }
  .hint-narrow { display: inline; }
  .adm-list { max-height: 40vh; }
  .tab { flex: 1 1 auto; padding: 8px 6px; font-size: 13px; }
}

.admin-note { position: sticky; top: 0; z-index: 20; margin: 0; padding: 8px 18px; font-size: 13.5px; font-weight: 700; color: #7a4b00; background: #fff4c2; border-bottom: 1px solid #e0b800; }
.admin-note[hidden] { display: none; }
.hint-narrow { display: none; }
.toast.err { background: #b42318; }
.btn:disabled { opacity: .55; cursor: wait; }