/*
Theme Name: 暇ネタニュース
Theme URI: https://himaneta.com/
Author: 暇ネタニュース
Description: 画像を使わず、まとめブログのRSS記事をサイト別・新着順で表示するテーマです。
Version: 2.0.3
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: hima-neta-news
*/

:root {
  --hnt-blue: #1667b1;
  --hnt-blue-dark: #0d4f8d;
  --hnt-green: #18a558;
  --hnt-bg: #ffffff;
  --hnt-soft: #f5f8fb;
  --hnt-text: #17212b;
  --hnt-muted: #677582;
  --hnt-border: #dce4ea;
  --hnt-width: 1380px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--hnt-text);
  background: var(--hnt-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--hnt-blue); }
button, input { font: inherit; }

.hnt-wrap { width: min(100%, var(--hnt-width)); margin: 0 auto; padding: 0 20px; }
.hnt-header { color: #fff; background: var(--hnt-blue); }
.hnt-header-top { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 20px; }
.hnt-brand { display: flex; align-items: center; gap: 12px; }
.hnt-brand-mark { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 7px; color: var(--hnt-green); background: #fff; font-weight: 700; font-size: 22px; }
.hnt-brand-name { display: block; font-size: 22px; font-weight: 700; line-height: 1.25; }
.hnt-brand-copy { display: block; opacity: .82; font-size: 12px; }
.hnt-running { display: flex; align-items: center; gap: 8px; font-size: 13px; opacity: .9; }
.hnt-running-dot, .hnt-source-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hnt-green); flex: none; }
.hnt-nav { border-top: 1px solid rgba(255,255,255,.18); }
.hnt-nav-inner { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: thin; }
.hnt-filter { padding: 11px 13px; border: 0; color: #fff; background: transparent; cursor: pointer; white-space: nowrap; }
.hnt-filter[aria-pressed="true"], .hnt-filter:hover { background: rgba(255,255,255,.15); }

.hnt-main { padding-top: 22px; padding-bottom: 34px; }
.hnt-search { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; margin-bottom: 26px; }
.hnt-search input { width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid var(--hnt-border); border-radius: 5px; color: var(--hnt-text); background: #fff; }
.hnt-button { min-height: 44px; padding: 8px 16px; border: 1px solid var(--hnt-border); border-radius: 5px; color: var(--hnt-text); background: var(--hnt-soft); cursor: pointer; }
.hnt-button:hover { border-color: var(--hnt-blue); color: var(--hnt-blue); }

.hnt-section { margin-bottom: 34px; }
.hnt-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 8px; }
.hnt-section-title { margin: 0; font-size: 23px; line-height: 1.4; }
.hnt-note { color: var(--hnt-muted); font-size: 12px; }
.hnt-list { border-top: 1px solid var(--hnt-border); }
.hnt-row { display: grid; grid-template-columns: 66px minmax(0,1fr) auto; gap: 13px; align-items: center; min-height: 46px; padding: 8px 6px; border-bottom: 1px solid var(--hnt-border); }
.hnt-row:hover { background: var(--hnt-soft); }
.hnt-time, .hnt-tag { color: var(--hnt-muted); font-size: 12px; white-space: nowrap; }
.hnt-title { min-width: 0; font-weight: 600; overflow-wrap: anywhere; }
.hnt-new { color: var(--hnt-green); font-weight: 700; font-size: 11px; }

.hnt-top-row { grid-template-columns: 66px 150px minmax(0,1fr) auto; }
.hnt-meta { display: flex; gap: 9px; margin-top: 2px; color: var(--hnt-muted); font-size: 12px; flex-wrap: wrap; }

.hnt-feed-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; align-items: start; }
.hnt-feed-block { min-width: 0; border: 1px solid var(--hnt-border); border-top: 3px solid var(--hnt-blue); border-radius: 6px; overflow: hidden; background: var(--hnt-bg); }
.hnt-feed-block[hidden], .hnt-row[hidden] { display: none; }
.hnt-feed-head { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 12px; background: var(--hnt-soft); }
.hnt-feed-name { display: flex; min-width: 0; align-items: center; gap: 8px; margin: 0; font-size: 16px; line-height: 1.35; }
.hnt-feed-more { color: var(--hnt-blue); font-size: 12px; white-space: nowrap; }
.hnt-feed-block .hnt-list { border-top: 0; }
.hnt-feed-empty { margin: 0; padding: 18px 12px; color: var(--hnt-muted); font-size: 12px; }
.hnt-feed-block .hnt-feed-row { grid-template-columns: 48px minmax(0,1fr); gap: 8px; min-height: 58px; padding: 8px 10px; align-items: start; }
.hnt-feed-block .hnt-tag { display: none; }
.hnt-all-row { grid-template-columns: 66px 150px minmax(0,1fr) auto; }
.hnt-source { color: var(--hnt-blue); font-size: 12px; font-weight: 700; }
.hnt-empty { padding: 24px; color: var(--hnt-muted); text-align: center; }

.hnt-footer { padding: 24px 0; border-top: 1px solid var(--hnt-border); color: var(--hnt-muted); font-size: 12px; }
.hnt-footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.hnt-button-primary { border-color: var(--hnt-blue); color: #fff; background: var(--hnt-blue); }
.hnt-button-primary:hover { color: #fff; background: var(--hnt-blue-dark); }
.hnt-reader-shell { max-width: 1040px; padding-top: 28px; padding-bottom: 64px; }
.hnt-reader-hero { padding: clamp(22px, 4vw, 40px); border: 1px solid var(--hnt-border); border-radius: 14px; background: linear-gradient(135deg, #f7fbff, #fff); box-shadow: 0 12px 35px rgba(23, 33, 43, .07); }
.hnt-reader-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 12px; color: var(--hnt-muted); font-size: 13px; }
.hnt-reader-mode { padding: 3px 9px; border-radius: 999px; color: #fff; background: var(--hnt-green); font-weight: 700; }
.hnt-reader-title { margin: 0; font-size: clamp(24px, 4vw, 36px); line-height: 1.45; letter-spacing: .01em; }
.hnt-reader-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hnt-reader-notice { max-width: 820px; margin: 18px auto 0; padding: 10px 14px; border-radius: 7px; color: var(--hnt-muted); background: var(--hnt-soft); font-size: 13px; text-align: center; }
.hnt-reader-article { max-width: 820px; margin: 18px auto 0; padding: clamp(24px, 5vw, 58px); border: 1px solid var(--hnt-border); border-radius: 12px; background: #fff; box-shadow: 0 12px 35px rgba(23, 33, 43, .06); font-size: 18px; line-height: 2; overflow-wrap: anywhere; }
.hnt-reader-article > :first-child { margin-top: 0; }
.hnt-reader-article > :last-child { margin-bottom: 0; }
.hnt-reader-article p { margin: 0 0 1.6em; }
.hnt-reader-article h2, .hnt-reader-article h3, .hnt-reader-article h4, .hnt-reader-article h5, .hnt-reader-article h6 { margin: 2.2em 0 .9em; line-height: 1.5; }
.hnt-reader-article h2 { padding-bottom: .45em; border-bottom: 2px solid var(--hnt-blue); font-size: 1.45em; }
.hnt-reader-article h3 { padding-left: .7em; border-left: 4px solid var(--hnt-green); font-size: 1.25em; }
.hnt-reader-article a { color: var(--hnt-blue); text-decoration: underline; text-underline-offset: .16em; }
.hnt-reader-article img { display: block; max-width: 100%; height: auto; margin: 1.8em auto; border-radius: 8px; }
.hnt-reader-article figure { margin: 1.8em 0; }
.hnt-reader-article figcaption { margin-top: -.9em; color: var(--hnt-muted); font-size: 13px; text-align: center; }
.hnt-reader-article blockquote { margin: 1.8em 0; padding: 14px 20px; border-left: 4px solid var(--hnt-blue); background: var(--hnt-soft); }
.hnt-reader-article pre { max-width: 100%; padding: 16px; overflow: auto; border-radius: 7px; background: #17212b; color: #f5f8fb; line-height: 1.65; }
.hnt-reader-article table { display: block; width: 100%; margin: 1.8em 0; border-collapse: collapse; overflow-x: auto; font-size: 15px; }
.hnt-reader-article th, .hnt-reader-article td { padding: 9px 12px; border: 1px solid var(--hnt-border); }
.hnt-reader-error { max-width: 820px; margin: 22px auto; padding: 28px; border: 1px solid #f1c9c9; border-radius: 10px; background: #fff8f8; }
.hnt-reader-error h2 { margin-top: 0; font-size: 20px; }
.hnt-reader-footer { display: flex; max-width: 820px; margin: 24px auto 0; padding: 18px 0; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--hnt-border); }
.hnt-reader-footer p { margin: 0; color: var(--hnt-muted); font-size: 13px; }
.hnt-reader-fallback { max-width: 820px; margin: 34px auto 0; padding: 20px; border-radius: 9px; background: var(--hnt-soft); }
.hnt-reader-fallback h2 { margin: 0 0 6px; font-size: 17px; }
.hnt-reader-fallback p { margin: 0 0 14px; color: var(--hnt-muted); font-size: 13px; }
.hnt-reader-frame-wrap { margin-top: 16px; }
.hnt-reader-frame { display: block; width: 100%; height: 72vh; min-height: 560px; border: 1px solid var(--hnt-border); background: #fff; }
.hnt-content { max-width: 900px; margin: 40px auto; padding: 0 20px; }

@media (max-width: 1050px) {
  .hnt-feed-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .hnt-wrap { padding-left: 12px; padding-right: 12px; }
  .hnt-header-top { min-height: 68px; }
  .hnt-brand-name { font-size: 19px; }
  .hnt-brand-copy, .hnt-running span:last-child { display: none; }
  .hnt-search { grid-template-columns: 1fr; }
  .hnt-row { grid-template-columns: 52px minmax(0,1fr); gap: 9px; }
  .hnt-row .hnt-tag, .hnt-row .hnt-new { display: none; }
  .hnt-feed-grid { grid-template-columns: 1fr; gap: 14px; }
  .hnt-top-row { grid-template-columns: 52px minmax(0,1fr); }
  .hnt-top-row .hnt-source { grid-column: 2; grid-row: 1; }
  .hnt-top-row .hnt-title { grid-column: 1 / 3; grid-row: 2; }
  .hnt-all-row { grid-template-columns: 52px minmax(0,1fr); }
  .hnt-all-row .hnt-source { grid-column: 2; grid-row: 1; }
  .hnt-all-row .hnt-title { grid-column: 1 / 3; grid-row: 2; }
  .hnt-reader-shell { padding-top: 14px; padding-bottom: 40px; }
  .hnt-reader-hero { padding: 20px; border-radius: 9px; }
  .hnt-reader-title { font-size: 23px; }
  .hnt-reader-article { padding: 22px 18px; font-size: 16px; line-height: 1.9; }
  .hnt-reader-footer { align-items: flex-start; flex-direction: column; }
  .hnt-reader-frame { height: 72vh; min-height: 480px; }
}

/* HimaNeta Original Reader */
.hnt-reading-progress { position: fixed; inset: 0 0 auto; z-index: 1000; height: 4px; pointer-events: none; background: transparent; }
.hnt-reading-progress span { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left center; background: linear-gradient(90deg, #18a558, #32c985); box-shadow: 0 1px 4px rgba(24, 165, 88, .35); }
.hnt-reader-shell {
  --reader-bg: #f4f7f6;
  --reader-surface: #fff;
  --reader-surface-soft: #f1f5f3;
  --reader-text: #202823;
  --reader-muted: #657169;
  --reader-border: #d9e2dc;
  --reader-accent: #137a4c;
  --reader-shadow: 0 18px 60px rgba(31, 48, 38, .09);
  max-width: 1160px;
  color: var(--reader-text);
  transition: color .2s ease, background-color .2s ease;
}
.hnt-reader-shell[data-reader-theme="sepia"] {
  --reader-bg: #eee7d8;
  --reader-surface: #fffaf0;
  --reader-surface-soft: #f5eddd;
  --reader-text: #352f26;
  --reader-muted: #766b5b;
  --reader-border: #dbceb8;
  --reader-accent: #9b5d27;
  --reader-shadow: 0 18px 60px rgba(66, 49, 27, .11);
}
.hnt-reader-shell[data-reader-theme="dark"] {
  --reader-bg: #111613;
  --reader-surface: #1b221e;
  --reader-surface-soft: #252e29;
  --reader-text: #e8eee9;
  --reader-muted: #a7b2aa;
  --reader-border: #39443d;
  --reader-accent: #55d493;
  --reader-shadow: 0 18px 60px rgba(0, 0, 0, .28);
  color-scheme: dark;
}
body.hnt-reader-sepia { color: #352f26; background: #eee7d8; }
body.hnt-reader-sepia .hnt-footer { border-color: #dbceb8; color: #766b5b; background: #eee7d8; }
body.hnt-reader-dark { color: #e8eee9; background: #111613; }
body.hnt-reader-dark .hnt-footer { border-color: #39443d; color: #a7b2aa; background: #111613; }
.hnt-reader-kicker { margin-bottom: 8px; color: var(--reader-accent); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.hnt-reader-hero { border-color: var(--reader-border); color: var(--reader-text); background: linear-gradient(145deg, var(--reader-surface-soft), var(--reader-surface)); box-shadow: var(--reader-shadow); }
.hnt-reader-meta, .hnt-reader-footer p, .hnt-reader-fallback p { color: var(--reader-muted); }
.hnt-reader-mode { background: var(--reader-accent); }
.hnt-reader-toolbar {
  position: sticky;
  top: 8px;
  z-index: 30;
  display: flex;
  margin: 18px 0;
  padding: 10px 12px;
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  border: 1px solid var(--reader-border);
  border-radius: 12px;
  color: var(--reader-text);
  background: var(--reader-surface);
  background: color-mix(in srgb, var(--reader-surface) 92%, transparent);
  box-shadow: 0 8px 24px rgba(27, 44, 34, .08);
  backdrop-filter: blur(12px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
}
.hnt-reader-toolbar-intro { display: flex; flex-direction: column; padding-right: 4px; line-height: 1.3; }
.hnt-reader-toolbar-intro strong { font-size: 13px; }
.hnt-reader-toolbar-intro span { color: var(--reader-muted); font-size: 10px; }
.hnt-reader-setting { display: inline-flex; align-items: center; gap: 3px; }
.hnt-reader-setting > span { margin-right: 3px; color: var(--reader-muted); font-size: 11px; }
.hnt-reader-setting button {
  min-width: 36px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--reader-muted);
  background: transparent;
  font-size: 12px;
  cursor: pointer;
}
.hnt-reader-setting button:hover { color: var(--reader-text); background: var(--reader-surface-soft); }
.hnt-reader-setting button[aria-pressed="true"] { border-color: var(--reader-accent); color: var(--reader-surface); background: var(--reader-accent); font-weight: 700; }
.hnt-reader-notice { color: var(--reader-muted); background: var(--reader-surface-soft); }
.hnt-reader-grid { display: block; }
.hnt-reader-grid.has-toc { display: grid; grid-template-columns: minmax(160px, 200px) minmax(0, 820px); gap: 22px; align-items: start; justify-content: center; }
.hnt-reader-toc { position: sticky; top: 88px; min-width: 0; color: var(--reader-text); }
.hnt-reader-toc-inner { padding: 16px; border: 1px solid var(--reader-border); border-radius: 10px; background: var(--reader-surface); font-size: 12px; }
.hnt-reader-toc-inner > strong { display: block; margin-bottom: 9px; color: var(--reader-accent); font-size: 12px; }
.hnt-reader-toc ol { margin: 0; padding: 0; list-style: none; }
.hnt-reader-toc li + li { margin-top: 8px; }
.hnt-reader-toc li.is-subheading { padding-left: 12px; font-size: 11px; }
.hnt-reader-toc a { display: block; color: var(--reader-muted); line-height: 1.45; }
.hnt-reader-toc a:hover { color: var(--reader-accent); }
.hnt-reader-article {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  border-color: var(--reader-border);
  color: var(--reader-text);
  background: var(--reader-surface);
  box-shadow: var(--reader-shadow);
  font-feature-settings: "palt" 1;
}
.hnt-reader-shell[data-reader-font="sans"] .hnt-reader-article { font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; }
.hnt-reader-shell[data-reader-font="serif"] .hnt-reader-article { font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif; }
.hnt-reader-shell[data-reader-size="small"] .hnt-reader-article { font-size: 16px; }
.hnt-reader-shell[data-reader-size="medium"] .hnt-reader-article { font-size: 18px; }
.hnt-reader-shell[data-reader-size="large"] .hnt-reader-article { font-size: 21px; }
.hnt-reader-article h2 { border-color: var(--reader-accent); }
.hnt-reader-article h3 { border-color: var(--reader-accent); }
.hnt-reader-article a { color: var(--reader-accent); }
.hnt-reader-article blockquote { border-color: var(--reader-accent); background: var(--reader-surface-soft); }
.hnt-reader-article figcaption { color: var(--reader-muted); }
.hnt-reader-article th, .hnt-reader-article td { border-color: var(--reader-border); }
.hnt-reader-article div:empty, .hnt-reader-article span:empty { display: none; }
.hnt-reader-article [id^="hnt-reader-heading-"] { scroll-margin-top: 100px; }
.hnt-reader-footer { border-color: var(--reader-border); }
.hnt-reader-fallback { color: var(--reader-text); background: var(--reader-surface-soft); }
.hnt-reader-frame { border-color: var(--reader-border); }

@media (max-width: 900px) {
  .hnt-reader-toolbar { justify-content: flex-start; overflow-x: auto; scrollbar-width: thin; }
  .hnt-reader-toolbar-intro { display: none; }
  .hnt-reader-setting { flex: none; }
  .hnt-reader-grid.has-toc { display: block; }
  .hnt-reader-toc { position: static; max-width: 820px; margin: 0 auto 12px; }
  .hnt-reader-toc-inner { padding: 12px 14px; }
  .hnt-reader-toc ol { columns: 2; column-gap: 24px; }
  .hnt-reader-toc li { break-inside: avoid; }
}

@media (max-width: 680px) {
  .hnt-reader-toolbar { top: 4px; margin: 10px -4px 14px; padding: 8px; border-radius: 9px; }
  .hnt-reader-setting > span { display: none; }
  .hnt-reader-setting button { min-width: 34px; padding: 6px; }
  .hnt-reader-toc ol { columns: 1; }
  .hnt-reader-shell[data-reader-size="small"] .hnt-reader-article { font-size: 15px; }
  .hnt-reader-shell[data-reader-size="medium"] .hnt-reader-article { font-size: 17px; }
  .hnt-reader-shell[data-reader-size="large"] .hnt-reader-article { font-size: 20px; }
}