/*
Theme Name: TRENQ
Theme URI: https://trenq-biz.com
Author: TRENQ編集部
Description: TRENQ（トレンク）専用オリジナルテーマ。複数ジャンルのカテゴリーハブ構造・表示速度・構造化データ・PR表記（ステマ規制対応）を最優先に設計。
Version: 1.0.0
Requires PHP: 8.0
Text Domain: trenq
*/

:root {
  --paper: #FBFBF9;
  --paper-raised: #FFFFFF;
  --ink: #22303C;
  --ink-soft: #55636E;
  --indigo: #33566B;
  --indigo-deep: #27455A;
  --shu: #C4472F;
  --line: #D9DEE1;
  --line-soft: #E8ECEE;
  --shadow: 0 1px 3px rgba(34, 48, 60, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1A2129;
    --paper-raised: #222B35;
    --ink: #E5EAEE;
    --ink-soft: #9AA8B3;
    --indigo: #7FA3BC;
    --indigo-deep: #A3C2D6;
    --shu: #E0684F;
    --line: #3A4652;
    --line-soft: #2C3742;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
.entry-content h2, .entry-content h3 { scroll-margin-top: 24px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
.serif { font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---- header ---- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper-raised); }
.header-inner {
  display: flex; align-items: baseline; gap: 20px;
  padding: 20px 0 14px; flex-wrap: wrap;
}
.logo {
  font-size: 30px; font-weight: 600; letter-spacing: 0.14em; color: var(--ink);
}
.logo .q { color: var(--shu); }
.tagline { font-size: 13px; color: var(--ink-soft); letter-spacing: 0.08em; }
.gnav { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 12px; }
.gnav a {
  padding: 6px 14px; font-size: 14px; white-space: nowrap;
  border: 1px solid var(--line); border-radius: 3px; color: var(--ink-soft);
}
.gnav a.active { background: var(--indigo); border-color: var(--indigo); color: #FFFFFF; }

/* ---- breadcrumb ---- */
.breadcrumb { font-size: 12.5px; color: var(--ink-soft); }
.breadcrumb a { color: var(--indigo-deep); }
.breadcrumb .sep { margin: 0 6px; }

/* ---- hero (front / category) ---- */
.hero { padding: 56px 0 40px; border-bottom: 1px solid var(--line-soft); }
.hero .breadcrumb { margin-bottom: 22px; }
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: 0.2em;
  color: var(--shu); border: 1px solid var(--shu);
  padding: 3px 12px; border-radius: 2px; margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 600; line-height: 1.5; margin: 0 0 18px;
  letter-spacing: 0.04em; text-wrap: balance;
}
.hero h1 .em { color: var(--shu); }
.hero .hero-lead { max-width: 34em; margin: 0; color: var(--ink-soft); font-size: 16px; }
.hero .hero-lead strong { color: var(--ink); font-weight: 600; }
.hero-center { text-align: center; padding: 64px 0 52px; }
.hero-center .hero-lead { margin: 0 auto; max-width: 36em; }

.pain-check {
  list-style: none; margin: 28px 0 0; padding: 22px 26px;
  background: var(--paper-raised); border: 1px solid var(--line);
  border-left: 3px solid var(--shu); border-radius: 0 4px 4px 0;
  max-width: 36em; display: flex; flex-direction: column; gap: 8px;
}
.pain-check li { font-size: 15.5px; padding-left: 30px; position: relative; }
.pain-check li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 15px; height: 15px; border: 1.5px solid var(--ink-soft); border-radius: 2px;
}
.pain-lead {
  margin: 16px 0 0; color: var(--ink);
  font-size: 17px; font-weight: 600; letter-spacing: 0.04em;
}

/* ---- sections ---- */
.section { padding: 40px 0 48px; }
.section-label { font-size: 13px; letter-spacing: 0.22em; color: var(--indigo); margin: 0 0 6px; }
.section-title { font-size: 24px; font-weight: 600; margin: 0 0 26px; letter-spacing: 0.04em; }

/* ---- decision grid ---- */
.decision-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.decision-card {
  background: var(--paper-raised); border: 1px solid var(--line);
  border-radius: 4px; padding: 22px 20px 18px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 8px;
}
.decision-card .verb { font-size: 21px; font-weight: 600; letter-spacing: 0.06em; }
.decision-card .verb::after {
  content: ""; display: block; width: 28px; height: 2px;
  background: var(--shu); margin-top: 10px;
}
.decision-card p { margin: 0; font-size: 14px; color: var(--ink-soft); flex: 1; }
.decision-card .lead-link { font-size: 14px; color: var(--indigo-deep); font-weight: 600; }
.decision-card .lead-link::after { content: " →"; }

/* ---- genre cards (front) ---- */
.genre-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.genre-card {
  background: var(--paper-raised); border: 1px solid var(--line);
  border-radius: 4px; padding: 26px 24px 22px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 10px; position: relative;
}
.genre-card.open { border-top: 3px solid var(--indigo); }
.genre-card h3 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: 0.04em; }
.genre-card p { margin: 0; font-size: 14px; color: var(--ink-soft); flex: 1; }
.genre-card .enter { font-size: 14px; color: var(--indigo-deep); font-weight: 600; }
.genre-card .enter::after { content: " →"; }
.genre-card .count { font-size: 12.5px; color: var(--ink-soft); }
.genre-card.soon { opacity: 0.62; border-style: dashed; }
.soon-badge, .open-badge {
  align-self: flex-start;
  font-size: 11px; padding: 2px 10px; border-radius: 2px; letter-spacing: 0.1em;
  margin-bottom: 2px;
}
.soon-badge { border: 1px solid var(--ink-soft); color: var(--ink-soft); }
.open-badge { background: var(--indigo); color: #FFFFFF; }

/* ---- article cards ---- */
.article-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.article-card {
  background: var(--paper-raised); border: 1px solid var(--line);
  border-radius: 4px; overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.thumb {
  aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center;
  font-size: 13px; letter-spacing: 0.1em; color: #FFFFFF;
  background: var(--indigo); overflow: hidden;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.badge-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.cat-badge {
  font-size: 12px; padding: 2px 10px; border-radius: 2px; white-space: nowrap;
  background: color-mix(in srgb, var(--indigo) 12%, transparent);
  color: var(--indigo-deep); font-weight: 600; letter-spacing: 0.05em;
}
.pr-badge {
  font-size: 11px; padding: 2px 8px; border-radius: 2px;
  background: var(--shu); color: #FFFFFF; font-weight: 600; letter-spacing: 0.1em;
}
.article-card h3 { margin: 0; font-size: 16.5px; line-height: 1.6; font-weight: 600; flex: 1; }
.meta { font-size: 12.5px; color: var(--ink-soft); }

/* ---- flat list (news / archive) ---- */
.post-list { border-top: 1px solid var(--line); }
.post-list-item {
  display: flex; gap: 18px; align-items: baseline; flex-wrap: wrap;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
}
.post-list-item .date {
  font-size: 13px; color: var(--ink-soft); white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.post-list-item h3 { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.6; flex: 1; min-width: 240px; }
.post-list-item .new {
  font-size: 11px; color: var(--shu); font-weight: 600; letter-spacing: 0.1em; margin-left: 10px;
}

/* ---- promise ---- */
.promise { background: var(--paper-raised); border-top: 1px solid var(--line); padding: 44px 0 48px; }
.promise-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 8px; }
.promise-item h3 { font-size: 16px; margin: 0 0 8px; font-weight: 600; }
.promise-item h3::before { content: "〆"; color: var(--shu); margin-right: 8px; font-weight: 400; }
.promise-item p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ---- single / page ---- */
.entry { padding: 44px 0 56px; }
.entry-header { margin-bottom: 28px; }
.entry-header .breadcrumb { margin-bottom: 18px; }
.entry-title {
  font-size: clamp(24px, 3.4vw, 32px); font-weight: 600;
  line-height: 1.6; margin: 12px 0 14px; letter-spacing: 0.03em; text-wrap: balance;
}
.entry-meta { font-size: 13px; color: var(--ink-soft); display: flex; gap: 16px; flex-wrap: wrap; }
.pr-disclosure {
  margin: 20px 0 0; padding: 10px 16px; font-size: 13px;
  background: var(--line-soft); color: var(--ink-soft); border-radius: 3px;
}
.entry-content { max-width: 40em; }
.entry-content h2 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  font-size: 24px; font-weight: 600; line-height: 1.6;
  margin: 2.2em 0 0.8em; padding-bottom: 10px;
  border-bottom: 2px solid var(--indigo); letter-spacing: 0.03em;
}
.entry-content h3 {
  font-size: 19px; font-weight: 600; margin: 1.8em 0 0.7em;
  padding-left: 12px; border-left: 3px solid var(--shu);
}
.entry-content p { margin: 0 0 1.4em; }
.entry-content a { color: var(--indigo-deep); text-decoration: underline; text-underline-offset: 3px; }
.entry-content table {
  border-collapse: collapse; width: 100%; font-size: 15px; margin: 0 0 1.6em;
  display: block; overflow-x: auto;
}
.entry-content th, .entry-content td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.entry-content th { background: var(--line-soft); font-weight: 600; }
.entry-content ul, .entry-content ol { padding-left: 1.4em; margin: 0 0 1.4em; }
.entry-content li { margin-bottom: 0.4em; }
.entry-content blockquote {
  margin: 0 0 1.6em; padding: 14px 20px;
  border-left: 3px solid var(--line); color: var(--ink-soft); font-size: 15.5px;
  background: var(--paper-raised);
}
.entry-content .wp-block-image { margin: 0 0 1.6em; }

.toc {
  margin: 0 0 36px; padding: 20px 26px;
  background: var(--paper-raised); border: 1px solid var(--line);
  border-radius: 4px; max-width: 40em;
}
.toc-title {
  margin: 0 0 10px; font-size: 15px; font-weight: 600; letter-spacing: 0.14em;
}
.toc-title::before { content: ""; display: inline-block; width: 10px; height: 10px; background: var(--shu); margin-right: 10px; }
.toc ol { margin: 0; padding-left: 1.5em; display: flex; flex-direction: column; gap: 6px; }
.toc li { font-size: 14.5px; }
.toc a { color: var(--indigo-deep); }
.toc a:hover { text-decoration: underline; text-underline-offset: 3px; }

.author-box {
  margin-top: 48px; padding: 22px 24px;
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: 4px;
  max-width: 40em;
}
.author-box .name { font-weight: 600; font-size: 15px; margin: 0 0 6px; }
.author-box .name::before { content: "執筆"; font-size: 11px; color: var(--shu); border: 1px solid var(--shu); border-radius: 2px; padding: 1px 8px; margin-right: 10px; font-weight: 600; letter-spacing: 0.1em; }
.author-box .author-title { font-size: 12.5px; color: var(--ink-soft); font-weight: 400; margin-left: 10px; }
.author-box p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

/* ---- archive ---- */
.archive-header { padding: 40px 0 8px; }
.archive-header h1 { font-size: 28px; font-weight: 600; margin: 12px 0 10px; letter-spacing: 0.04em; }
.archive-header .desc { color: var(--ink-soft); font-size: 15.5px; max-width: 40em; margin: 0; }

/* ---- pagination ---- */
.pagination { display: flex; gap: 8px; justify-content: center; padding: 32px 0; font-size: 14px; }
.pagination .page-numbers {
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink-soft);
}
.pagination .page-numbers.current { background: var(--indigo); border-color: var(--indigo); color: #FFFFFF; }

/* ---- footer ---- */
.site-footer { background: var(--ink); color: #B9C4CC; padding: 36px 0 44px; font-size: 13.5px; margin-top: 24px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-links a:hover { color: #FFFFFF; }
.footer-logo { font-size: 20px; letter-spacing: 0.14em; color: #FFFFFF; }
.copyright { margin-top: 6px; font-size: 12px; color: #7E8C96; }

/* ---- misc ---- */
a:focus-visible { outline: 2px solid var(--shu); outline-offset: 2px; border-radius: 2px; }
@media (prefers-reduced-motion: no-preference) {
  .article-card, .decision-card, .genre-card.open { transition: transform 0.15s ease; }
  .article-card:hover, .decision-card:hover, .genre-card.open:hover { transform: translateY(-2px); }
}
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px); position: absolute !important;
  height: 1px; width: 1px; overflow: hidden;
}