/*
Theme Name: 不用品回収の解決ナビ Theme
Theme URI: https://fuyouhin-kaiketsu.com/
Author: 不用品回収の解決ナビ編集部
Author URI: https://fuyouhin-kaiketsu.com/about/
Description: 不用品回収サイト fuyouhin-kaiketsu.com 専用テーマ。業者2社比較・口コミ・診断クイズなど ikou-navi モデル準拠の構造を実装。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: fuyouhin-kaiketsu
Tags: blog, affiliate, comparison, japanese, mobile-first
*/

/* ==========================================================================
   1. Design Tokens (CSS Variables)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #0d9488;        /* Teal — main brand */
  --color-primary-dark: #0f766e;
  --color-primary-light: #14b8a6;
  --color-primary-soft: #ccfbf1;
  --color-accent: #f97316;         /* Warm orange — CTA */
  --color-accent-dark: #ea580c;
  --color-accent-soft: #fed7aa;
  --color-bg: #fafafa;             /* Off-white */
  --color-bg-card: #ffffff;
  --color-bg-soft: #f3f4f6;
  --color-text: #1f2937;           /* Dark gray */
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --color-marker: #fef08a;         /* Yellow highlight */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-footer-bg: #1f2937;
  --color-footer-text: #d1d5db;

  /* Typography */
  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-mono: "JetBrains Mono", "Menlo", "Monaco", "Consolas", monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --container-max: 720px;
  --container-wide: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: var(--font-size-base);
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { padding-left: 1.5em; }
.numeric { font-family: var(--font-mono); font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }

/* ==========================================================================
   3. Layout Containers
   ========================================================================== */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-4); }
.container-wide { width: 100%; max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--space-4); }
.site-main { min-height: 60vh; padding: var(--space-8) 0 var(--space-16); }

/* ==========================================================================
   4. Header & Navigation
   ========================================================================== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: var(--container-wide); margin: 0 auto;
}
.site-logo { display: flex; align-items: center; gap: var(--space-2); }
.site-logo__icon {
  width: 40px; height: 40px;
  background: var(--color-primary); color: #fff;
  border-radius: var(--radius-md); display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.site-logo__icon svg { width: 100%; height: 100%; display: block; }
.site-logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.site-logo__name-en { font-size: var(--font-size-xs); color: var(--color-text-muted); letter-spacing: .05em; }
.site-logo__name-jp { font-size: var(--font-size-base); font-weight: 800; color: var(--color-text); }
.site-nav__list { display: none; list-style: none; padding: 0; margin: 0; gap: var(--space-6); }
.site-nav__link { color: var(--color-text); font-weight: 600; font-size: var(--font-size-sm); }
.site-nav__link:hover { color: var(--color-primary); text-decoration: none; }
.site-nav__toggle { padding: var(--space-2); }
.site-nav__toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); margin: 5px 0; transition: .3s; }
@media (min-width: 768px) {
  .site-nav__list { display: flex; }
  .site-nav__toggle { display: none; }
}

/* Mobile drawer */
.site-nav__drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: 80%; max-width: 320px;
  background: #fff; box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: transform .3s;
  z-index: 200; padding: var(--space-6); overflow-y: auto;
}
.site-nav__drawer.is-open { transform: translateX(0); }
.site-nav__drawer ul { list-style: none; padding: 0; margin: 0; }
.site-nav__drawer li { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.site-nav__drawer a { color: var(--color-text); font-weight: 600; }
.site-nav__overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); opacity: 0; pointer-events: none;
  transition: opacity .3s; z-index: 150;
}
.site-nav__overlay.is-open { opacity: 1; pointer-events: auto; }

/* ==========================================================================
   5. Breadcrumb
   ========================================================================== */
.breadcrumb {
  font-size: var(--font-size-xs); color: var(--color-text-muted);
  padding: var(--space-3) 0; margin-bottom: var(--space-4);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb__sep { margin: 0 var(--space-2); color: var(--color-border-strong); }

/* ==========================================================================
   6. Article Page (Single)
   ========================================================================== */
.article-title {
  font-size: var(--font-size-2xl); font-weight: 800; line-height: 1.4;
  margin: 0 0 var(--space-4);
}
.article-title__highlight {
  background: linear-gradient(transparent 60%, var(--color-marker) 60%);
  padding: 0 .15em;
}
@media (min-width: 768px) { .article-title { font-size: var(--font-size-3xl); } }

.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3);
  font-size: var(--font-size-sm); color: var(--color-text-muted);
  padding: var(--space-3) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}
.article-meta__author {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 600; color: var(--color-text);
}
.article-meta__avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: grid; place-items: center; font-size: var(--font-size-xs); font-weight: 700;
}
.article-meta__date { display: inline-flex; align-items: center; gap: var(--space-1); }
.article-meta__date-label { background: var(--color-bg-soft); padding: 2px 6px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 700; }
.article-meta__date-label--update { background: var(--color-accent-soft); color: var(--color-accent-dark); }

/* Hero VS section */
.hero-vs {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-4);
  margin: var(--space-6) 0 var(--space-8);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero-vs__big {
  font-size: 56px; font-weight: 900; letter-spacing: 0.05em;
  color: var(--color-primary-soft); line-height: 1;
  margin-bottom: var(--space-4);
}
.hero-vs__pair {
  display: inline-flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; justify-content: center;
}
.hero-vs__chip {
  display: inline-block; padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.15); border-radius: var(--radius-full);
  font-weight: 600; font-size: var(--font-size-sm);
}
.hero-vs__x { color: rgba(255,255,255,0.6); font-weight: 700; }
.hero-vs__caption {
  position: absolute; bottom: var(--space-3); right: var(--space-4);
  font-size: 11px; color: rgba(255,255,255,0.5);
}
@media (min-width: 768px) { .hero-vs__big { font-size: 84px; } .hero-vs { padding: var(--space-16) var(--space-4); } }

/* Conclusion box */
.conclusion-box {
  background: var(--color-bg-card);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  display: flex; gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.conclusion-box__icon {
  flex-shrink: 0; width: 36px; height: 36px;
  background: var(--color-primary); color: #fff;
  border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; font-size: var(--font-size-lg);
}
.conclusion-box__body { flex: 1; }
.conclusion-box__label {
  font-size: var(--font-size-xs); font-weight: 700; letter-spacing: 0.1em;
  color: var(--color-primary-dark); margin-bottom: var(--space-2);
}
.conclusion-box__text { font-weight: 600; line-height: 1.7; margin: 0; }
.conclusion-box__text mark { background: var(--color-marker); padding: 0 .15em; }

/* Section heading */
.section-heading {
  font-size: var(--font-size-xl); font-weight: 800;
  border-left: 4px solid var(--color-primary);
  padding: var(--space-2) var(--space-4);
  margin: var(--space-10) 0 var(--space-4);
}
.section-lead { color: var(--color-text-muted); margin-bottom: var(--space-6); }

/* Comparison table */
.comparison-table-wrap { overflow-x: auto; margin: var(--space-6) 0; }
.comparison-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--color-bg-card); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.comparison-table th, .comparison-table td {
  padding: var(--space-3) var(--space-4); text-align: center;
  border-bottom: 1px solid var(--color-border); font-size: var(--font-size-sm);
}
.comparison-table th { background: var(--color-bg-soft); font-weight: 700; }
.comparison-table th.is-winner {
  background: var(--color-primary-soft); color: var(--color-primary-dark);
}
.comparison-table td.is-winner-col { background: rgba(204, 251, 241, 0.3); }
.comparison-table td:first-child, .comparison-table th:first-child { text-align: left; background: var(--color-bg-soft); font-weight: 600; width: 30%; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table__badge {
  display: inline-block; padding: 2px 8px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 700; margin-top: var(--space-1);
}
.comparison-table__badge--winner { background: var(--color-primary); color: #fff; }
.comparison-table__badge--neutral { background: var(--color-border-strong); color: var(--color-text); }
.comparison-table__stars { color: var(--color-warning); letter-spacing: 0.05em; }
.comparison-table__sub { display: block; font-size: 11px; color: var(--color-text-muted); margin-top: var(--space-1); font-weight: 400; }

/* Stats highlight */
.stats-block {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3);
  margin: var(--space-6) 0;
}
.stats-block__item {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-4) var(--space-3);
  text-align: center;
}
.stats-block__value {
  font-family: var(--font-mono); font-weight: 700;
  font-size: var(--font-size-xl); color: var(--color-primary-dark);
  line-height: 1.2;
}
.stats-block__label {
  font-size: var(--font-size-xs); color: var(--color-text-muted);
  margin-top: var(--space-1); font-weight: 600;
}
@media (min-width: 768px) { .stats-block__value { font-size: var(--font-size-3xl); } }

/* Reviews block (good vs concern) */
.reviews-block { margin: var(--space-6) 0; }
.reviews-block__cols {
  display: grid; grid-template-columns: 1fr; gap: var(--space-4);
}
@media (min-width: 768px) { .reviews-block__cols { grid-template-columns: 1fr 1fr; } }
.reviews-block__col {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-5);
}
.reviews-block__col--good { border-top: 4px solid var(--color-success); }
.reviews-block__col--concern { border-top: 4px solid var(--color-warning); }
.reviews-block__title {
  font-size: var(--font-size-base); font-weight: 700;
  margin: 0 0 var(--space-3); display: inline-flex; align-items: center; gap: var(--space-2);
}
.reviews-block__title::before {
  content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%;
}
.reviews-block__col--good .reviews-block__title::before { background: var(--color-success); }
.reviews-block__col--concern .reviews-block__title::before { background: var(--color-warning); }
.reviews-block__list { list-style: none; padding: 0; margin: 0; }
.reviews-block__list li {
  padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm); line-height: 1.6;
}
.reviews-block__list li:last-child { border-bottom: none; }

/* Quiz block */
.quiz-block {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff; border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-5);
  margin: var(--space-8) 0;
}
.quiz-block__title {
  font-size: var(--font-size-xl); font-weight: 800;
  margin: 0 0 var(--space-2); text-align: center;
}
.quiz-block__lead { text-align: center; opacity: 0.9; margin: 0 0 var(--space-6); font-size: var(--font-size-sm); }
.quiz-block__q { background: rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-3); }
.quiz-block__q-num { display: inline-block; background: var(--color-accent); color: #fff; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-sm); font-size: var(--font-size-xs); margin-bottom: var(--space-2); }
.quiz-block__q-text { font-weight: 600; margin-bottom: var(--space-3); }
.quiz-block__opts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.quiz-block__opt {
  display: block; padding: var(--space-2) var(--space-3); background: rgba(255,255,255,0.15);
  border-radius: var(--radius-sm); cursor: pointer; font-size: var(--font-size-sm);
  border: 1px solid transparent; transition: .15s;
}
.quiz-block__opt:hover { background: rgba(255,255,255,0.25); }
.quiz-block__opt.is-selected { background: var(--color-accent); border-color: var(--color-accent-dark); }

/* CTA button */
.cta-button-wrap { margin: var(--space-8) 0; text-align: center; }
.cta-button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #fff; font-weight: 800; font-size: var(--font-size-lg);
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(249,115,22,0.4);
  transition: transform .15s, box-shadow .15s;
  text-decoration: none; min-width: 280px;
}
.cta-button:hover {
  color: #fff; text-decoration: none;
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249,115,22,0.5);
}
.cta-button__sub { display: block; font-size: var(--font-size-xs); font-weight: 400; opacity: 0.9; margin-top: 2px; }

/* Related articles */
.related-articles { margin: var(--space-10) 0; }
.related-articles__title {
  font-size: var(--font-size-lg); font-weight: 800;
  margin: 0 0 var(--space-4); padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary);
}
.related-articles__list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.related-articles__item {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  display: flex; align-items: center; gap: var(--space-3);
  transition: .15s;
}
.related-articles__item:hover {
  border-color: var(--color-primary); transform: translateX(2px);
}
.related-articles__item a { color: var(--color-text); font-weight: 600; flex: 1; text-decoration: none; }
.related-articles__item a:hover { color: var(--color-primary); }
.related-articles__arrow { color: var(--color-primary); font-size: var(--font-size-lg); }

/* Author profile */
.author-profile {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-5);
  margin: var(--space-10) 0; display: flex; gap: var(--space-4); align-items: flex-start;
}
.author-profile__avatar {
  flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: grid; place-items: center; font-weight: 700;
}
.author-profile__name { font-weight: 700; margin: 0 0 var(--space-1); }
.author-profile__bio { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0; }

/* Article body typography (the_content) */
.article-body { font-size: var(--font-size-base); line-height: 1.85; }
.article-body p { margin: 0 0 var(--space-5); }
.article-body h2 {
  font-size: var(--font-size-xl); font-weight: 800;
  border-left: 4px solid var(--color-primary);
  padding: var(--space-2) var(--space-4);
  margin: var(--space-10) 0 var(--space-4);
}
.article-body h3 {
  font-size: var(--font-size-lg); font-weight: 700;
  margin: var(--space-8) 0 var(--space-3);
  padding-left: var(--space-3); border-left: 3px solid var(--color-accent);
}
.article-body h4 { font-size: var(--font-size-base); font-weight: 700; margin: var(--space-6) 0 var(--space-2); }
.article-body ul, .article-body ol { margin: 0 0 var(--space-5); padding-left: 1.75em; }
.article-body li { margin-bottom: var(--space-2); }
.article-body img { border-radius: var(--radius-md); margin: var(--space-4) 0; }
.article-body blockquote {
  border-left: 4px solid var(--color-border-strong);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
  margin: var(--space-5) 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ==========================================================================
   7. Top page (Front)
   ========================================================================== */
.top-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff; padding: var(--space-12) var(--space-4);
  text-align: center;
}
.top-hero__title { font-size: var(--font-size-3xl); font-weight: 800; margin: 0 0 var(--space-3); }
.top-hero__lead { font-size: var(--font-size-base); opacity: 0.95; max-width: 600px; margin: 0 auto var(--space-6); }
@media (min-width: 768px) { .top-hero__title { font-size: var(--font-size-4xl); } }

.section-block { padding: var(--space-10) 0; }
.section-block__title { font-size: var(--font-size-2xl); font-weight: 800; text-align: center; margin: 0 0 var(--space-2); }
.section-block__lead { text-align: center; color: var(--color-text-muted); margin: 0 0 var(--space-8); }

.popular-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-4);
}
@media (min-width: 640px) { .popular-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .popular-grid { grid-template-columns: repeat(3, 1fr); } }
.popular-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); overflow: hidden; transition: .15s;
}
.popular-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.popular-card__rank {
  position: absolute; top: var(--space-2); left: var(--space-2);
  background: var(--color-primary); color: #fff; font-weight: 800;
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; font-size: var(--font-size-sm);
}
.popular-card__rank--1 { background: linear-gradient(135deg, #fbbf24, #d97706); }
.popular-card__rank--2 { background: linear-gradient(135deg, #d1d5db, #6b7280); }
.popular-card__rank--3 { background: linear-gradient(135deg, #fca5a5, #b45309); }
.popular-card__thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--color-primary-soft), var(--color-bg-soft)); position: relative; }
.popular-card__category { display: inline-block; background: var(--color-primary-soft); color: var(--color-primary-dark); padding: 2px 8px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 700; margin-bottom: var(--space-2); }
.popular-card__body { padding: var(--space-4); }
.popular-card__title { font-size: var(--font-size-base); font-weight: 700; margin: 0 0 var(--space-2); line-height: 1.4; }
.popular-card__title a { color: var(--color-text); text-decoration: none; }
.popular-card__title a:hover { color: var(--color-primary); }
.popular-card__excerpt { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0; }

/* Category list (top page) */
.category-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin: var(--space-6) 0; }
@media (min-width: 768px) { .category-list { grid-template-columns: repeat(3, 1fr); } }
.category-list__item {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  padding: var(--space-4); border-radius: var(--radius-md);
  text-align: center; font-weight: 700; color: var(--color-text); text-decoration: none;
  transition: .15s;
}
.category-list__item:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  text-decoration: none; transform: translateY(-2px);
}

/* ==========================================================================
   8. Archive page
   ========================================================================== */
.archive-hero {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
  border-radius: var(--radius-lg); padding: var(--space-8) var(--space-5);
  margin-bottom: var(--space-8);
}
.archive-hero__tags { font-size: var(--font-size-xs); color: var(--color-primary-dark); font-weight: 700; letter-spacing: 0.1em; margin-bottom: var(--space-2); }
.archive-hero__title { font-size: var(--font-size-2xl); font-weight: 800; margin: 0 0 var(--space-3); }
.archive-hero__desc { color: var(--color-text); margin: 0 0 var(--space-5); }
.archive-hero__stats { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.archive-hero__stat-value { font-family: var(--font-mono); font-weight: 700; font-size: var(--font-size-xl); color: var(--color-primary-dark); }
.archive-hero__stat-label { font-size: var(--font-size-xs); color: var(--color-text-muted); }

.archive-list { display: grid; gap: var(--space-4); margin-bottom: var(--space-8); }
.archive-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); overflow: hidden;
  display: grid; grid-template-columns: 1fr; transition: .15s;
}
@media (min-width: 640px) { .archive-card { grid-template-columns: 160px 1fr; } }
.archive-card:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.archive-card__thumb {
  aspect-ratio: 16/9; background: linear-gradient(135deg, var(--color-primary-soft), var(--color-bg-soft));
  position: relative; display: grid; place-items: center;
  font-weight: 800; font-size: var(--font-size-2xl); color: var(--color-primary-dark);
}
.archive-card__no { position: absolute; top: var(--space-2); left: var(--space-2); background: rgba(0,0,0,.7); color: #fff; padding: 2px 8px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 700; }
.archive-card__body { padding: var(--space-4); }
.archive-card__cat { display: inline-block; background: var(--color-primary-soft); color: var(--color-primary-dark); padding: 2px 8px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 700; margin-bottom: var(--space-2); }
.archive-card__title { font-size: var(--font-size-base); font-weight: 700; margin: 0 0 var(--space-2); line-height: 1.4; }
.archive-card__title a { color: var(--color-text); text-decoration: none; }
.archive-card__title a:hover { color: var(--color-primary); }
.archive-card__excerpt { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0 0 var(--space-2); }
.archive-card__meta { display: flex; gap: var(--space-3); font-size: var(--font-size-xs); color: var(--color-text-muted); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: var(--space-2); margin: var(--space-8) 0; }
.pagination .page-numbers {
  display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 var(--space-3);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-bg-card); color: var(--color-text); font-weight: 600; text-decoration: none;
}
.pagination .page-numbers:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.pagination .page-numbers.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
  background: var(--color-footer-bg); color: var(--color-footer-text);
  padding: var(--space-10) 0 var(--space-6); margin-top: var(--space-16);
}
.site-footer__grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-8);
  max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--space-4);
}
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer__brand h2 { color: #fff; margin: 0 0 var(--space-3); font-size: var(--font-size-lg); }
.site-footer__brand p { font-size: var(--font-size-sm); color: var(--color-footer-text); }
.site-footer__col h3 { color: #fff; font-size: var(--font-size-sm); margin: 0 0 var(--space-3); letter-spacing: 0.1em; }
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { padding: var(--space-1) 0; }
.site-footer__col a { color: var(--color-footer-text); font-size: var(--font-size-sm); }
.site-footer__col a:hover { color: #fff; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1); margin-top: var(--space-8); padding-top: var(--space-4);
  text-align: center; font-size: var(--font-size-xs); color: var(--color-text-muted);
}

/* ==========================================================================
   10. Search & 404
   ========================================================================== */
.search-form { display: flex; gap: var(--space-2); margin: var(--space-6) 0; }
.search-form__input { flex: 1; padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--font-size-base); }
.search-form__submit { background: var(--color-primary); color: #fff; padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); font-weight: 700; }
.error-404 { text-align: center; padding: var(--space-16) var(--space-4); }
.error-404__code { font-size: 6rem; font-weight: 900; color: var(--color-primary); line-height: 1; margin-bottom: var(--space-4); }

/* ==========================================================================
   11. Utilities
   ========================================================================== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.skip-link { position: absolute; top: -100px; left: 0; background: var(--color-primary); color: #fff; padding: var(--space-2) var(--space-4); z-index: 999; }
.skip-link:focus { top: 0; }


/* === Quiz UI Enhancement === */
.quiz-block { background: linear-gradient(135deg,#0f766e 0%,#0d9488 100%); color: #fff; padding: 32px 24px; border-radius: 14px; margin: 32px 0; box-shadow: 0 4px 16px rgba(13,148,136,.18); }
.quiz-block__title { text-align: center; border-left: none; padding: 0; color: #fff; font-size: 1.25rem; font-weight: 700; margin: 0 0 8px; }
.quiz-block__lead { text-align: center; color: rgba(255,255,255,.92); margin: 0 0 24px; font-size: .95rem; }
.quiz-block__q { background: rgba(255,255,255,.08); padding: 16px; border-radius: 10px; margin-bottom: 14px; }
.quiz-block__q-title { color: #fff; font-weight: 600; margin: 0 0 12px; font-size: 1rem; }
.quiz-block__opts { display: flex; flex-direction: column; gap: 10px; }
.quiz-block__opt { background: #fff; color: #1f2937; border: 2px solid #fff; border-radius: 8px; padding: 12px 16px; font-size: .95rem; font-weight: 500; text-align: left; cursor: pointer; transition: all .15s ease; width: 100%; }
.quiz-block__opt:hover { background: #fef3c7; border-color: #f59e0b; }
.quiz-block__opt.is-selected { background: #f97316; color: #fff; border-color: #f97316; box-shadow: 0 2px 8px rgba(249,115,22,.4); }
.quiz-block__opt.is-selected::before { content: "\2713 "; font-weight: 700; }
.quiz-result { display: none; margin-top: 20px; background: #fff; color: #1f2937; padding: 24px; border-radius: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.15); animation: quizFadeIn .4s ease; }
.quiz-result.is-shown { display: block; }
.quiz-result__badge { display: inline-block; background: #f97316; color: #fff; padding: 4px 12px; border-radius: 999px; font-size: .8rem; font-weight: 700; margin-bottom: 12px; }
.quiz-result__title { font-size: 1.3rem; font-weight: 700; margin: 0 0 12px; color: #0f766e; }
.quiz-result__text { font-size: .95rem; line-height: 1.7; margin: 0 0 16px; color: #374151; }
.quiz-result__cta { display: inline-block; background: #f97316; color: #fff; padding: 12px 28px; border-radius: 8px; font-weight: 700; text-decoration: none; transition: all .15s ease; }
.quiz-result__cta:hover { background: #ea580c; box-shadow: 0 4px 12px rgba(249,115,22,.4); transform: translateY(-1px); }
@keyframes quizFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 640px) { .quiz-block { padding: 24px 16px; } .quiz-block__title { font-size: 1.1rem; } .quiz-block__opt { padding: 14px 14px; font-size: .95rem; } .quiz-result { padding: 20px 16px; } .quiz-result__title { font-size: 1.1rem; } }


/* === Comparison Sticky Bar === */
.comparison-table thead th { position: sticky; top: 0; background: #fff; z-index: 2; box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.comparison-sticky { position: fixed; top: 0; left: 0; right: 0; background: linear-gradient(135deg,#0f766e 0%,#0d9488 100%); color: #fff; padding: 10px 16px; z-index: 1000; transform: translateY(-100%); transition: transform .25s ease; box-shadow: 0 2px 10px rgba(0,0,0,.18); }
.comparison-sticky.is-visible { transform: translateY(0); }
.comparison-sticky__inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.comparison-sticky__title { font-size: .95rem; font-weight: 700; line-height: 1.3; flex: 1; }
.comparison-sticky__title b { color: #fff; }
.comparison-sticky__title em { display: inline-block; opacity: .85; font-style: normal; font-weight: 500; margin: 0 6px; }
.comparison-sticky__link { background: #f97316; color: #fff !important; padding: 7px 14px; border-radius: 6px; text-decoration: none; font-size: .85rem; font-weight: 700; white-space: nowrap; transition: background .15s ease; }
.comparison-sticky__link:hover { background: #ea580c; }
@media (max-width: 640px) { .comparison-sticky { padding: 8px 12px; } .comparison-sticky__title { font-size: .82rem; } .comparison-sticky__link { padding: 6px 10px; font-size: .78rem; } }