/* 1カラムのREADME風レイアウト。色は下のトークンだけで決まります */
:root {
  --bg: #d0d3db;
  --surface: #e6e8ed;
  --fg: #1c2030;
  --muted: #484e61;
  --line: #b6bac6;
  --accent: #3b4fd8;
  --accent-fg: #ffffff;
  --accent-soft: #e6e9fc;
  --pr: #9a5b00;
  --pr-soft: #fbefd9;
  --danger: #c0352b;
  --ok: #1f7a4a;
  --font-display: "DotGothic16", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-mono: "M PLUS 1 Code", ui-monospace, "SFMono-Regular", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141c; --surface: #1a1d28; --fg: #e4e6ee; --muted: #9298ad; --line: #2c3040;
    --accent: #8c9bff; --accent-fg: #12141c; --accent-soft: #232846; --pr: #f0b45c; --pr-soft: #33280f;
    --danger: #ff8278; --ok: #6fd39c; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 15px; line-height: 1.75; }
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 760px; margin: 0 auto; padding-inline: 16px; padding-block: 32px 64px; display: grid; gap: 44px; }

/* ヘッダー */
.top { display: grid; gap: 8px; }
.nav { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px 16px; }
.site-name { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 7vw, 42px); line-height: 1.2; margin: 0; letter-spacing: .02em; }
.site-name a { color: inherit; text-decoration: none; }
.site-name .cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .site-name .cursor { animation: none; } }
.menu { display: flex; gap: 16px; font: 500 14px var(--font-mono); }
.menu a { color: var(--muted); text-decoration: none; }
.menu a[aria-current="page"], .menu a:hover { color: var(--fg); }
.lead { margin: 0; color: var(--muted); white-space: pre-line; word-break: auto-phrase; line-break: strict; }
.disclosure { font-size: 12px; color: var(--pr); background: var(--pr-soft); padding: 4px 10px; border-radius: 4px; justify-self: start; margin: 4px 0 0; }

/* 見出し */
h2 { font-family: var(--font-display); font-weight: 400; font-size: 20px; margin: 0 0 16px; display: flex; align-items: baseline; gap: 12px; text-wrap: balance; }
h2 small { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
h2 .more { margin-left: auto; font: 13px var(--font-mono); }

/* 検索 */
.search { margin-bottom: 12px; max-width: 420px; }
.search input { padding-left: 34px; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238a90a3' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='m11 11 3.5 3.5'/%3E%3C/svg%3E") no-repeat 11px center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 絞り込み */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip { font: 500 13px var(--font-mono); padding: 4px 12px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }

/* 配布物 */
.list { display: grid; border-top: 1px solid var(--line); }
.item { padding-block: 20px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; min-width: 0; }
.item-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.item h3 { margin: 0; font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.tag { font: 500 11px var(--font-mono); padding: 1px 8px; border-radius: 3px; background: var(--accent-soft); color: var(--accent); }
.meta { font: 13px var(--font-mono); color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 16px; font-variant-numeric: tabular-nums; }
.meta b { font-weight: 500; color: var(--fg); }
.desc { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-top: 4px; }
.btn { font: 500 14px var(--font-mono); background: var(--accent); color: var(--accent-fg); text-decoration: none; padding: 6px 16px; border-radius: 4px; border: 0; cursor: pointer; display: inline-block; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn:disabled { opacity: .5; cursor: default; }
.buy { font-size: 14px; }

/* スクショのサムネイルと拡大表示 */
.shots { display: flex; flex-wrap: wrap; gap: 6px; }
.shot { padding: 0; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); cursor: zoom-in; line-height: 0; overflow: hidden; }
.shot img { width: 96px; height: 54px; object-fit: cover; display: block; transition: transform .15s; }
.shot:hover { border-color: var(--accent); }
.shot:hover img { transform: scale(1.06); }
@media (prefers-reduced-motion: reduce) { .shot img { transition: none; } .shot:hover img { transform: none; } }
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(8, 10, 16, .9); display: grid; place-items: center;
  padding: max(48px, env(safe-area-inset-top, 0px)) 56px max(48px, env(safe-area-inset-bottom, 0px)); cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px; box-shadow: 0 8px 40px rgba(0, 0, 0, .5); cursor: default; }
.lightbox button { position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 0; cursor: pointer; font-size: 28px; line-height: 1; border-radius: 999px; width: 44px; height: 44px; }
.lightbox button:hover { background: rgba(255, 255, 255, .24); }
.lightbox button:focus-visible { outline: 2px solid #fff; }
.lb-close { top: max(8px, env(safe-area-inset-top, 0px)); right: 8px; }
.lb-prev { left: 6px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 6px; top: 50%; transform: translateY(-50%); }
.lb-count { position: absolute; bottom: max(12px, env(safe-area-inset-bottom, 0px)); left: 0; right: 0; text-align: center; color: #cfd3df; font: 13px var(--font-mono); margin: 0; }
/* ブログ画像：元のサイズで表示（画面より大きければスクロール） */
.prose img.zoomable { cursor: zoom-in; }
.lightbox.lb-full { padding: 0; display: block; cursor: default; }
.lb-scroll { position: absolute; inset: 0; overflow: auto; display: flex; padding: 56px 16px; cursor: zoom-out; }
.lb-scroll img { margin: auto; max-width: none; max-height: none; flex: none; box-shadow: 0 8px 40px rgba(0, 0, 0, .5); border-radius: 0; cursor: zoom-out; }
.lb-full .lb-close, .lb-full .lb-nav, .lb-full .lb-count { z-index: 1; }
.lb-full .lb-count { pointer-events: none; }
.lb-full .lb-nav { background: rgba(20, 22, 30, .7); }
@media (max-width: 480px) { .lightbox { padding-inline: 8px; } .lb-prev, .lb-next { top: auto; bottom: max(4px, env(safe-area-inset-bottom, 0px)); transform: none; } }
.pr { font: 500 10px var(--font-mono); color: var(--pr); border: 1px solid var(--pr); border-radius: 2px; padding: 0 4px; vertical-align: 1px; display: inline-block; line-height: 1.5; }
details { font-size: 14px; }
details summary { cursor: pointer; color: var(--muted); font-family: var(--font-mono); font-size: 13px; }
details ul { margin: 8px 0 0; padding-left: 20px; font-family: var(--font-mono); font-size: 13px; }
.empty { color: var(--muted); padding-block: 16px; margin: 0; }

/* ブログ一覧 */
.posts { display: grid; border-top: 1px solid var(--line); }
.post-row { display: grid; grid-template-columns: 7.5em 1fr; gap: 4px 16px; padding-block: 14px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--fg); }
.post-row:hover .post-title { color: var(--accent); }
.post-row time { font: 13px var(--font-mono); color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 2px; }
.post-row > div { min-width: 0; }
.post-title { font-weight: 700; overflow-wrap: anywhere; }
.post-excerpt { color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
@media (max-width: 480px) { .post-row { grid-template-columns: 1fr; } }

/* 記事本文 */
.article h1 { font-size: clamp(22px, 5vw, 28px); line-height: 1.4; margin: 0 0 8px; text-wrap: balance; overflow-wrap: anywhere; }
.article .meta { margin-bottom: 24px; }
.prose { max-width: 68ch; overflow-wrap: anywhere; }
.prose h2 { font-family: var(--font-body); font-weight: 700; font-size: 20px; margin: 32px 0 8px; display: block; }
.prose h3 { font-size: 17px; margin: 24px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose img { border-radius: 4px; }
.prose code { font-family: var(--font-mono); font-size: .9em; background: var(--accent-soft); padding: 1px 5px; border-radius: 3px; }
.prose pre { background: var(--surface); border: 1px solid var(--line); padding: 12px 16px; border-radius: 4px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { margin: 0 0 16px; padding-left: 16px; border-left: 3px solid var(--line); color: var(--muted); }
.prose table { border-collapse: collapse; display: block; overflow-x: auto; margin-bottom: 16px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 4px 10px; }

/* おすすめリンク */
.shop { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.shop a { display: grid; gap: 2px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; text-decoration: none; color: var(--fg); min-width: 0; }
.shop a:hover { border-color: var(--accent); }
.shop .what { font-weight: 700; overflow-wrap: anywhere; }
.shop .why { font-size: 13px; color: var(--muted); }

/* コメント */
.comments { display: grid; gap: 0; border-top: 1px solid var(--line); margin-bottom: 20px; }
.comment { padding-block: 12px; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.comment-head { font: 13px var(--font-mono); color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
.comment-head b { color: var(--fg); font-weight: 500; }
.comment-body { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.form { display: grid; gap: 12px; max-width: 560px; }
.field { display: grid; gap: 4px; }
.field label { font: 500 13px var(--font-mono); color: var(--muted); }
input[type=text], input[type=search], input[type=password], input[type=url], input[type=date], input[type=number], textarea, select {
  font: inherit; font-size: 15px; color: var(--fg); background: var(--surface); border: 1px solid var(--line);
  border-radius: 4px; padding: 8px 10px; width: 100%; min-width: 0;
}
textarea { resize: vertical; min-height: 6em; }
.vis { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 14px; }
.vis legend { font: 500 13px var(--font-mono); color: var(--muted); padding: 0; margin-bottom: 4px; }
.vis label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.vis .vis-note { flex-basis: 100%; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { font-size: 14px; margin: 0; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

.notes { font-size: 14px; color: var(--muted); }
.notes p { margin: 0 0 8px; max-width: 65ch; }
footer { font: 12px var(--font-mono); color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; display: flex; flex-wrap: wrap; gap: 4px 16px; justify-content: space-between; }
footer a { color: var(--muted); }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }

/* コメントの削除 */
.ctools { margin-left: auto; }
.comment-head { align-items: baseline; }
.own { font-size: 11px; color: var(--accent); }
.linkbtn { background: none; border: 0; padding: 0; font: 12px var(--font-mono); color: var(--muted); cursor: pointer; text-decoration: underline; }
.linkbtn.danger, .linkbtn:hover { color: var(--danger); }
.linkbtn:disabled { opacity: .5; cursor: default; }
.keydel { margin-top: 6px; }
.keyform { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.keyform input { max-width: 200px; padding: 4px 8px; font-size: 14px; }
input.short { max-width: 240px; }
.hint { font-size: 12px; color: var(--muted); margin: 0; }
.btn.small { font-size: 13px; padding: 4px 10px; }

/* 管理人の返信 */
.replies { display: grid; gap: 8px; margin: 8px 0 4px 16px; padding-left: 14px; border-left: 2px solid var(--accent-soft); }
.reply { display: grid; gap: 2px; }
.admin-name { color: var(--accent); }
.badge-admin { font: 500 10px var(--font-mono); color: var(--accent-fg); background: var(--accent); border-radius: 3px; padding: 1px 6px; line-height: 1.6; }
.replybox { margin: 8px 0 0 16px; }
.replyform { display: grid; gap: 8px; max-width: 560px; }
.replyform textarea { min-height: 5em; }
.ctools { display: inline-flex; gap: 12px; }
.pr-note { font-size: 12px; color: var(--pr); background: var(--pr-soft); padding: 4px 10px; border-radius: 4px; display: inline-block; margin: -12px 0 20px; }