/*
Theme Name: Space Trend
Theme URI: https://example.com/space-trend
Author: Space Trend
Author URI: https://example.com
Description: 宇宙・AI・ロボティクス・テクノロジー専門のニュースメディア向けダークテーマ。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: space-trend
*/

:root{
  --bg:#05060a;
  --bg-panel:#0c0e16;
  --bg-panel-2:#10121c;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --text:#f4f5f8;
  --text-dim:#9aa1b0;
  --text-faint:#6b7180;
  --accent-a:#7c6cff;
  --accent-b:#4ea1ff;
  --c-nasa:#4ea1ff;
  --c-spacex:#ff6fd8;
  --c-science:#4ee6a8;
  --c-satellite:#f5c451;
  --c-business:#9aa1ff;
  --c-default:#9aa1b0;
  --grad: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  --font-display: "Space Grotesk", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", "Space Grotesk", sans-serif;
}

*{box-sizing:border-box;}
html{background:var(--bg);}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.st-fixed-header-offset{padding-top:85px;}
a{color:inherit;text-decoration:none;}
a:link, a:visited{color:var(--text);}
a:hover{color:var(--accent-b);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}

.wrap{max-width:1440px;margin:0 auto;padding:0 40px;}

.skip-link{
  position:absolute;top:-100px;left:16px;z-index:200;
  background:var(--grad);color:#08060f;
  padding:12px 20px;border-radius:10px;
  font-family:var(--font-display);font-size:13px;font-weight:600;
  transition:top .15s ease;
}
.skip-link:focus{top:16px;}

.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-faint);}
.breadcrumbs a{color:var(--text-faint);}
.breadcrumbs a:hover{color:var(--text-dim);}
.breadcrumbs span[aria-current]{color:var(--text-dim);}
.breadcrumb-sep{color:var(--text-faint);opacity:.5;}

/* placeholder imagery */
.ph{
  position:relative;
  background:repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 10px), var(--bg-panel-2);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-faint);
  font-family:"Space Grotesk",monospace;
  font-size:11px;
  letter-spacing:.05em;
  text-align:center;
  overflow:hidden;
}
.ph span{padding:8px;}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  display:flex;align-items:center;justify-content:flex-start;
  gap:48px;
  padding:28px 40px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s ease, border-color .2s ease, backdrop-filter .2s ease;
}
.site-header.is-scrolled{
  background:rgba(5,6,10,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--border);
}
.primary-nav{margin-left:auto;}
.header-actions{}
.site-logo-link{display:flex;align-items:center;gap:8px;}
.site-icon-img{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;
  display:block;
  margin-top:3px;
}
.site-logo{
  font-family:var(--font-display);
  font-size:20px;letter-spacing:.12em;font-weight:700;
  color:var(--text);
  margin:0;
  display:flex;align-items:center;gap:8px;
}
.footer-brand .site-logo .site-icon-img{width:22px;height:22px;}
.primary-nav ul{display:flex;align-items:center;gap:36px;height:40px;}
.primary-nav a{
  font-family:var(--font-display);
  font-size:13px;letter-spacing:.1em;font-weight:500;
  color:var(--text);
  display:flex;align-items:center;height:100%;
  padding-bottom:0;
  border-bottom:2px solid transparent;
}
.primary-nav a:hover{color:var(--accent-b);}
.primary-nav .current-menu-item a,
.primary-nav a.active{
  color:var(--text);
  border-bottom-color:var(--accent-a);
}
.header-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;color:var(--text);
}
.icon-btn.solid{background:rgba(255,255,255,.06);border-color:var(--border);}
.icon-btn:hover{background:rgba(255,255,255,.08);}

/* hero */
.hero{
  position:relative;
  min-height:440px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse 1200px 900px at 78% 30%, rgba(90,120,220,.35), transparent 60%),
    radial-gradient(1px 1px at 10% 20%, #fff 0, transparent 100%),
    var(--bg);
  box-shadow:inset 0 -120px 160px -60px var(--bg);
}
.hero-content{
  position:relative;z-index:5;
  padding:120px 40px 50px;
  max-width:820px;
}
.hero-eyebrow{
  font-family:var(--font-display);
  font-size:12px;letter-spacing:.25em;color:var(--text-dim);
  margin:0 0 20px;
}
.hero-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:52px;
  line-height:1.05;
  letter-spacing:.03em;
  margin:0 0 16px;
}
.hero-sub{
  font-size:20px;color:var(--text-dim);margin:0 0 28px;font-weight:400;
}
.hero-tags{display:flex;align-items:center;gap:16px;margin-bottom:36px;flex-wrap:wrap;}
.hero-tags .tag{
  font-family:var(--font-display);
  font-size:13px;letter-spacing:.08em;font-weight:600;
  border-bottom:1px solid transparent;
}
.hero-tags .tag:hover{border-bottom-color:currentColor;}
.hero-tags span.x{color:var(--text-faint);font-size:13px;}
.hero-tags .c-nasa{color:var(--c-nasa);}
.hero-tags .c-spacex{color:var(--c-spacex);}
.hero-tags .c-science{color:var(--c-science);}
.hero-tags .c-satellite{color:var(--c-satellite);}
.hero-tags .c-business{color:var(--c-business);}
.hero-ctas{display:flex;gap:16px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 26px;border-radius:999px;
  font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--border-strong);
}
.btn-primary{background:var(--grad);color:#08060f;border:none;}
.btn-ghost{background:transparent;color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.06);}

/* trending bar */
.trending{
  position:relative;z-index:5;
  margin:-40px 40px 0;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:18px;
  padding:20px 24px;
  display:flex;align-items:center;gap:24px;
  flex-wrap:wrap;
}
.trending-label{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-size:13px;letter-spacing:.1em;font-weight:600;
  white-space:nowrap;
}
.trending-label .bar{width:3px;height:18px;background:var(--grad);border-radius:2px;}
.trending-items{display:flex;gap:16px;flex:1;flex-wrap:wrap;}
.trending-item{
  display:flex;align-items:center;gap:12px;
  background:var(--bg-panel-2);border:1px solid var(--border);
  border-radius:12px;padding:10px 16px;flex:1;min-width:180px;
}
.trending-item .ph{width:44px;height:44px;border-radius:10px;flex-shrink:0;font-size:8px;}
.trending-item .ti-title{font-family:var(--font-display);font-size:14px;font-weight:700;}
.trending-item .ti-sub{font-size:12px;color:var(--text-dim);}
.trending-item .ti-views{font-size:11px;color:var(--text-faint);margin-top:3px;}
.trending-item.c-nasa .ti-title{color:var(--c-nasa);}
.trending-item.c-spacex .ti-title{color:var(--c-spacex);}
.trending-item.c-science .ti-title{color:var(--c-science);}
.trending-item.c-satellite .ti-title{color:var(--c-satellite);}
.trending-item.c-business .ti-title{color:var(--c-business);}
.trending-item{transition:background .15s ease;}
.trending-item:hover{background:rgba(255,255,255,.03);}

/* main grid */
.home-main{
  padding:56px 40px 0;
  display:grid;grid-template-columns:1fr 340px;gap:32px;
}
.home-main-full{grid-template-columns:1fr;}
.home-main-full .story-grid{grid-template-columns:repeat(3,1fr);}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px;}
.section-title{
  font-family:var(--font-display);font-size:22px;letter-spacing:.06em;font-weight:700;margin:0;
}
.section-link{font-size:13px;color:var(--text-dim);display:flex;align-items:center;gap:6px;}
.section-link:hover{color:var(--accent-b);}

.story-grid-featured{display:flex;flex-direction:column;gap:20px;}
.story-card-primary{display:grid;grid-template-columns:1.2fr 1fr;}
.story-card-primary .story-thumb-link{height:100%;}
.story-card-primary .story-thumb-img{height:100%;min-height:320px;}
.story-card-primary .story-body{padding:28px;display:flex;flex-direction:column;justify-content:center;}
.story-card-primary .story-title{font-size:24px;line-height:1.4;margin-bottom:16px;}
.story-card-primary .story-arrow{margin-top:0;}
.story-excerpt{font-size:14px;color:var(--text-dim);line-height:1.7;margin:0 0 20px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.story-card{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;height:100%;
}
.story-card .ph{height:180px;font-size:10px;}
.story-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.story-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:12px;}
.story-cat{font-family:var(--font-display);font-weight:700;letter-spacing:.05em;}
.story-cat.c-nasa{color:var(--c-nasa);}
.story-cat.c-spacex{color:var(--c-spacex);}
.story-cat.c-science{color:var(--c-science);}
.story-cat.c-satellite{color:var(--c-satellite);}
.story-cat.c-business{color:var(--c-business);}
.story-date{color:var(--text-faint);}
.story-title{font-size:16px;line-height:1.5;margin:0 0 14px;font-weight:500;}
.story-arrow{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  margin-top:auto;flex-shrink:0;
}

/* sidebar */
.sidebar-panel{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:16px;padding:22px;
}
.sidebar-title{font-family:var(--font-display);font-size:15px;font-weight:700;margin:0 0 18px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px;}
.stat-row-all{grid-template-columns:repeat(2,1fr);}
.stat-box{background:var(--bg-panel-2);border:1px solid var(--border);border-radius:10px;padding:12px 10px;text-align:left;display:block;transition:border-color .15s ease;}
.stat-box:hover{border-color:var(--border-strong);}
.stat-cat{font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:.04em;margin-bottom:8px;}
.stat-cat.c-nasa{color:var(--c-nasa);}
.stat-cat.c-spacex{color:var(--c-spacex);}
.stat-cat.c-science{color:var(--c-science);}
.stat-cat.c-satellite{color:var(--c-satellite);}
.stat-cat.c-business{color:var(--c-business);}
.stat-num{font-family:var(--font-display);font-size:20px;font-weight:700;}
.stat-sub{font-size:11px;color:var(--text-faint);}
.keywords-title{font-size:13px;color:var(--text-dim);margin:0 0 12px;}
.keyword-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.keyword-list span{font-size:13px;color:var(--text-dim);background:var(--bg-panel-2);border:1px solid var(--border);border-radius:999px;padding:6px 12px;}
.trend-more-btn{
  width:100%;background:var(--bg-panel-2);border:1px solid var(--border);border-radius:999px;
  padding:14px;color:var(--text);font-size:13px;font-family:var(--font-display);letter-spacing:.04em;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.trend-more-btn:hover{background:rgba(255,255,255,.08);}
.sidebar-title-sub{margin:28px 0 14px;padding-top:24px;border-top:1px solid var(--border);}
.category-grid-sidebar{grid-template-columns:1fr;gap:10px;}
.category-grid-sidebar .category-card{flex-direction:row;align-items:center;padding:12px 14px;}

/* timeline section */
.timeline-section{padding:0 40px;margin-top:-40px;position:relative;z-index:5;}
.timeline-section-bottom{margin-top:0;padding:70px 40px 0;}
.timeline-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:16px;padding:30px 34px;}
.timeline-track{position:relative;display:flex;justify-content:space-between;margin-top:34px;}
.timeline-track::before{
  content:"";position:absolute;left:0;right:0;top:6px;height:1px;background:var(--border-strong);
}
.timeline-node{position:relative;text-align:center;flex:1;min-width:0;}
.timeline-dot{
  width:13px;height:13px;border-radius:50%;background:var(--bg-panel);border:2px solid var(--text-faint);
  margin:0 auto 14px;position:relative;z-index:2;
}
.timeline-node.active .timeline-dot{
  width:19px;height:19px;border-color:var(--accent-b);
  box-shadow:0 0 0 6px rgba(78,161,255,.15);
}
.timeline-year{font-family:var(--font-display);font-size:15px;font-weight:700;margin-bottom:4px;}
.timeline-node.active .timeline-year{color:var(--accent-b);}
.timeline-desc{font-size:12px;color:var(--text-faint);}

.categories-panel{}
.categories-title{font-family:var(--font-display);font-size:15px;font-weight:700;letter-spacing:.05em;margin:0 0 18px;}
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px;}
.category-card{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;
  padding:18px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .15s ease;
}
.category-card:hover{border-color:var(--border-strong);}
.category-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;}
.category-icon.c-nasa{background:rgba(78,161,255,.12);color:var(--c-nasa);}
.category-icon.c-spacex{background:rgba(255,111,216,.12);color:var(--c-spacex);}
.category-icon.c-science{background:rgba(78,230,168,.12);color:var(--c-science);}
.category-icon.c-satellite{background:rgba(245,196,81,.12);color:var(--c-satellite);}
.category-icon.c-business{background:rgba(154,161,255,.12);color:var(--c-business);}
.category-name{font-family:var(--font-display);font-size:14px;font-weight:700;}
.category-sub{font-size:12px;color:var(--text-faint);}

/* footer */
.site-footer{margin-top:36px;padding:32px 40px 20px;border-top:1px solid var(--border);position:relative;overflow:hidden;}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:28px;}
.footer-brand .site-logo{margin-bottom:10px;}
.footer-desc{font-size:13px;color:var(--text-dim);line-height:1.7;max-width:100%;}
.footer-col-title{font-family:var(--font-display);font-size:13px;letter-spacing:.08em;color:var(--text-dim);margin:0 0 12px;}
.footer-col ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;}
.footer-col ul.footer-list-3col{grid-template-columns:1fr 1fr 1fr;}
.footer-col a{font-size:14px;color:var(--text);}
.footer-col a:hover{color:var(--accent-b);}
.footer-bottom{margin-top:28px;padding-top:16px;border-top:1px solid var(--border);font-size:12px;color:var(--text-faint);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;}

@media (max-width:1180px){
  .home-main{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .story-grid{grid-template-columns:1fr;}
  .story-card-primary{grid-template-columns:1fr;}
  .hero-title{font-size:34px;}
  .hero-content{padding-top:100px;}
  .site-header{padding:20px 20px;gap:16px;}
  .primary-nav{
    flex:1;min-width:0;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .primary-nav::-webkit-scrollbar{display:none;}
  .primary-nav ul{flex-wrap:nowrap;gap:22px;padding-right:8px;}
  .primary-nav a{white-space:nowrap;}
  .site-logo, .header-actions{flex-shrink:0;}
}

/* ============ hero real image ============ */
.hero-image-img{width:100%;height:100%;object-fit:cover;}
.hero-image-fade{
  position:absolute;inset:0;
  background:linear-gradient(100deg, var(--bg) 0%, rgba(5,6,10,.55) 38%, rgba(5,6,10,.15) 60%, transparent 78%),
             linear-gradient(0deg, var(--bg) 0%, transparent 22%),
             linear-gradient(180deg, rgba(5,6,10,.65) 0%, transparent 16%);
}
.story-thumb-link{display:block;}
.story-thumb-img{width:100%;height:180px;object-fit:cover;}

/* ============ search overlay ============ */
.search-overlay{
  position:fixed;inset:0;z-index:110;
  background:rgba(5,6,10,.92);
  backdrop-filter:blur(6px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  opacity:0;pointer-events:none;
  transition:opacity .2s ease;
  padding:24px;
}
.search-overlay.is-open{opacity:1;pointer-events:auto;}
.search-overlay .icon-btn{position:absolute;top:28px;right:40px;background:rgba(255,255,255,.06);border:1px solid var(--border);}

/* ============ mobile drawer (ハンバーガーメニュー) ============ */
.js-menu-toggle{display:none;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(300px, 84vw);
  background:var(--bg-panel);
  border-left:1px solid var(--border);
  transform:translateX(100%);
  transition:transform .25s ease;
  padding:24px;
  display:flex;flex-direction:column;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.mobile-drawer-nav ul{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer-nav a{
  display:block;
  font-family:var(--font-display);font-size:16px;font-weight:600;letter-spacing:.02em;
  padding:14px 4px;border-bottom:1px solid var(--border);color:var(--text-dim);
}
.mobile-drawer-nav .current-menu-item a,
.mobile-drawer-nav a.active{color:var(--text);}
.mobile-drawer-backdrop{
  position:fixed;inset:0;z-index:115;
  background:rgba(5,6,10,.6);
  opacity:0;pointer-events:none;
  transition:opacity .2s ease;
}
.mobile-drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
.search-overlay-form{
  width:100%;max-width:640px;
  display:flex;align-items:center;gap:14px;
  border-bottom:2px solid var(--border-strong);
  padding-bottom:16px;
}
.search-overlay-form input{
  flex:1;background:transparent;border:none;outline:none;
  font-family:var(--font-display);font-size:32px;color:var(--text);
}
.search-overlay-form input::placeholder{color:var(--text-faint);}
.search-overlay-form button{
  width:46px;height:46px;border-radius:50%;background:var(--grad);border:none;color:#08060f;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}

/* ============ archive / category / search page header ============ */
.archive-header{
  padding:60px 40px 40px;
  border-bottom:1px solid var(--border);
  margin-bottom:48px;
  position:relative;
  overflow:hidden;
}
.archive-header-cat{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(255,255,255,.05), transparent 70%);}
.archive-header-cat.c-nasa{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(78,161,255,.10), transparent 70%);}
.archive-header-cat.c-spacex{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(255,111,216,.10), transparent 70%);}
.archive-header-cat.c-science{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(78,230,168,.10), transparent 70%);}
.archive-header-cat.c-satellite{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(245,196,81,.10), transparent 70%);}
.archive-header-cat.c-business{background:radial-gradient(ellipse 700px 260px at 0% 0%, rgba(154,161,255,.10), transparent 70%);}
.archive-eyebrow{
  font-family:var(--font-display);font-size:12px;letter-spacing:.2em;color:var(--text-dim);margin:0 0 14px;
}
.archive-title{
  font-family:var(--font-display);font-weight:700;font-size:48px;letter-spacing:.02em;margin:0 0 12px;
  display:flex;align-items:center;gap:16px;
}
.archive-title .dot{width:14px;height:14px;border-radius:50%;flex-shrink:0;}
.archive-title .dot.c-nasa{background:var(--c-nasa);}
.archive-title .dot.c-spacex{background:var(--c-spacex);}
.archive-title .dot.c-science{background:var(--c-science);}
.archive-title .dot.c-satellite{background:var(--c-satellite);}
.archive-title .dot.c-business{background:var(--c-business);}
.archive-desc{color:var(--text-dim);font-size:15px;max-width:640px;line-height:1.7;margin:0;}
.archive-count{color:var(--text-faint);font-size:13px;margin-top:10px;}

/* ============ pagination ============ */

.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap;}
.pagination a, .pagination span{
  min-width:38px;height:38px;padding:0 10px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:13px;
  border:1px solid var(--border);color:var(--text-dim);
}
.pagination a:hover{border-color:var(--border-strong);color:var(--text);}
.pagination .current{background:var(--bg-panel-2);color:var(--text);border-color:var(--border-strong);}

.no-results{padding:60px 0;text-align:center;color:var(--text-dim);}

/* ============ sidebar mini lists (category + single) ============ */
.trending-mini-list{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.trending-mini-item{
  display:flex;align-items:baseline;gap:14px;padding:12px 4px;
  border-bottom:1px solid var(--border);
}
.trending-mini-item:last-child{border-bottom:none;}
.trending-mini-num{
  font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text-faint);
  flex-shrink:0;width:22px;
}
.trending-mini-title{font-size:13px;line-height:1.5;color:var(--text);}
.trending-mini-item:hover .trending-mini-title{color:var(--accent-b);}

.recent-mini-list{display:flex;flex-direction:column;gap:16px;}
.recent-mini-item{display:flex;gap:12px;align-items:center;}
.recent-mini-thumb{width:56px;height:56px;border-radius:10px;flex-shrink:0;overflow:hidden;}
.recent-mini-cat{font-size:10px;font-family:var(--font-display);font-weight:700;letter-spacing:.04em;margin-bottom:4px;}
.recent-mini-cat.c-nasa{color:var(--c-nasa);}
.recent-mini-cat.c-spacex{color:var(--c-spacex);}
.recent-mini-cat.c-science{color:var(--c-science);}
.recent-mini-cat.c-satellite{color:var(--c-satellite);}
.recent-mini-cat.c-business{color:var(--c-business);}
.recent-mini-title{font-size:13px;line-height:1.5;}
.recent-mini-item:hover .recent-mini-title{color:var(--accent-b);}

/* ============ single post ============ */
.single-header{padding:60px 40px 0;max-width:820px;margin:0 auto;}
.single-meta{display:flex;align-items:center;gap:14px;margin-bottom:18px;font-size:13px;}
.single-meta a.story-cat{font-family:var(--font-display);font-weight:700;letter-spacing:.05em;}
.single-title{
  font-family:var(--font-display);font-weight:700;font-size:38px;line-height:1.3;
  margin:0 0 24px;
}
.single-hero-img{
  width:100%;max-width:1120px;margin:0 auto 48px;padding:0 40px;
}
.single-hero-img img{width:100%;border-radius:20px;display:block;object-fit:cover;max-height:520px;}
.single-body-wrap{padding:0 40px;display:grid;grid-template-columns:1fr 340px;gap:48px;max-width:1440px;margin:0 auto;}
.entry-content{max-width:100%;font-size:16px;line-height:1.9;color:var(--text);}
.entry-content p{margin:0 0 1.4em;}
.entry-content h2{font-family:var(--font-display);font-size:26px;margin:2em 0 .8em;line-height:1.4;}
.entry-content h3{font-family:var(--font-display);font-size:20px;margin:1.8em 0 .7em;}
.entry-content a{color:var(--accent-b);text-decoration:underline;text-underline-offset:2px;}
.entry-content img{border-radius:14px;margin:1.6em 0;}
.entry-content blockquote{
  margin:1.8em 0;padding:6px 0 6px 20px;border-left:3px solid var(--accent-a);
  color:var(--text-dim);font-style:italic;
}
.entry-content ul, .entry-content ol{margin:0 0 1.4em;padding-left:1.4em;}
.entry-content li{margin-bottom:.5em;}
.entry-content table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:14px;}
.entry-content th, .entry-content td{border:1px solid var(--border);padding:10px 12px;text-align:left;}

/* 自動生成記事コンテンツ用（プラグインが投稿本文に挿入する要素） */
.entry-content .yt-wrap{margin:2em 0;}
.entry-content .yt-label{
  font-family:var(--font-display);font-size:12px;letter-spacing:.08em;color:var(--text-faint);
  margin-bottom:10px;
}
.entry-content .yt-wrap iframe{
  width:100%;aspect-ratio:16/9;height:auto;border-radius:14px;border:1px solid var(--border);
}
.entry-content .article-source{
  margin-top:2em;padding-top:16px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-faint);
}
.entry-content .article-source a{color:var(--text-dim);text-decoration:underline;text-underline-offset:2px;}
.entry-content .article-source a:hover{color:var(--accent-b);}
.entry-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;}
.entry-tags a{font-size:13px;color:var(--text-dim);background:var(--bg-panel-2);border:1px solid var(--border);border-radius:999px;padding:6px 14px;}
.entry-tags a:hover{color:var(--text);border-color:var(--border-strong);}
.entry-nav{display:flex;justify-content:space-between;gap:20px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--border);}
.entry-nav a{font-size:13px;color:var(--text-dim);max-width:45%;}
.entry-nav a:hover{color:var(--text);}
.entry-nav .nav-label{display:block;font-family:var(--font-display);font-size:11px;letter-spacing:.1em;color:var(--text-faint);margin-bottom:6px;}

.related-section{padding:0 40px;max-width:1440px;margin:70px auto 0;}

/* ============ 404 ============ */
/* ============ 固定ページ（page.php） ============ */
.page-body-wrap{padding:32px 40px 0;max-width:900px;margin:0 auto;}
.page-body-wrap-native{max-width:820px;}
.page-content-card{
  background:#ffffff;
  border-radius:20px;
  padding:36px 40px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
@media (max-width:640px){
  .page-content-card{padding:28px 20px;}
}

.error-404{padding:120px 40px;text-align:center;}
.error-404 .code{font-family:var(--font-display);font-size:110px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:16px;}
.error-404 p{color:var(--text-dim);margin-bottom:30px;}

@media (max-width:1180px){
  .single-body-wrap{grid-template-columns:1fr;}
  .single-title{font-size:28px;}
  .archive-title{font-size:32px;}
}

/* ============================================================
   スマートフォン全般（〜640px）
   ヘッダー・ヒーロー・記事一覧・記事詳細・固定ページ・フッターまで
   全テンプレート共通で余白とフォントサイズを縮小
   ============================================================ */
@media (max-width:640px){
  .wrap{padding:0 20px;}

  /* header */
  .site-header{padding:16px 20px;gap:12px;}
  body.st-fixed-header-offset{padding-top:60px;}
  .site-logo{font-size:16px;letter-spacing:.06em;}
  .site-icon-img{width:18px;height:18px;}
  .site-logo-link{gap:6px;}
  .primary-nav{display:none;}
  .icon-btn{width:26px;height:26px;}
  .icon-btn svg{width:15px;height:15px;}
  .js-menu-toggle{display:flex;}
  .header-actions{margin-left:auto;}
  .search-overlay{padding:20px;}
  .search-overlay .icon-btn{top:18px;right:20px;}
  .search-overlay-form{gap:10px;}
  .search-overlay-form input{font-size:20px;}
  .search-overlay-form button{width:40px;height:40px;flex-shrink:0;}

  /* hero */
  .hero{min-height:auto;}
  .hero-content{padding:96px 20px 40px;}
  .hero-eyebrow{font-size:11px;letter-spacing:.15em;margin-bottom:14px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15px;margin-bottom:20px;}
  .hero-tags{gap:10px;margin-bottom:24px;}
  .hero-tags .tag{font-size:12px;}
  .hero-ctas{flex-direction:column;gap:10px;}
  .btn{padding:14px 20px;font-size:13px;width:100%;justify-content:center;}

  /* trending */
  .trending{margin:-28px 20px 0;padding:16px;gap:14px;}
  .trending-item{min-width:100%;}

  /* main content grids */
  .home-main{padding:36px 20px 0;gap:24px;}
  .section-title{font-size:18px;}
  .story-card-primary .story-thumb-img{min-height:200px;}
  .story-card-primary .story-body{padding:20px;}
  .story-card-primary .story-title{font-size:19px;}
  .sidebar-panel{padding:18px;}

  /* timeline */
  .timeline-section,.timeline-section-bottom{padding:0 20px;}
  .timeline-section-bottom{padding-top:44px;}
  .timeline-panel{padding:22px 18px;}
  .timeline-track{
    flex-direction:column;
    align-items:stretch;
    overflow-x:visible;
    gap:0;
    padding-bottom:0;
    margin-top:26px;
  }
  .timeline-track::before{
    left:11px;right:auto;top:2px;bottom:2px;
    width:1px;height:auto;
  }
  .timeline-node{
    display:grid;
    grid-template-columns:24px 1fr;
    grid-template-rows:auto auto;
    column-gap:14px;
    text-align:left;
    flex:none;
    width:100%;
    padding-bottom:24px;
  }
  .timeline-node:last-child{padding-bottom:0;}
  .timeline-dot{grid-column:1;grid-row:1 / 3;margin:3px 0 0;}
  .timeline-year{grid-column:2;grid-row:1;margin-bottom:4px;}
  .timeline-desc{grid-column:2;grid-row:2;}

  /* categories */
  .categories-title{font-size:14px;}
  .category-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;}
  .category-card{padding:14px;}

  /* archive / category header */
  .archive-header{padding:36px 20px 28px;margin-bottom:32px;}
  .archive-title{font-size:26px;gap:10px;}
  .archive-desc{font-size:14px;}

  /* single post */
  .single-header{padding:36px 20px 0;}
  .single-title{font-size:23px;margin-bottom:18px;}
  .single-hero-img{padding:0 20px;margin-bottom:28px;}
  .single-hero-img img{max-height:260px;}
  .single-body-wrap{padding:0 20px;gap:32px;}
  .entry-content{font-size:15px;}
  .entry-content h2{font-size:20px;}
  .entry-content h3{font-size:17px;}
  .entry-nav{flex-direction:column;gap:16px;}
  .entry-nav a{max-width:100%;}
  .related-section{padding:0 20px;margin-top:48px;}

  /* fixed pages */
  .page-body-wrap{padding:24px 20px 0;}

  /* 404 */
  .error-404{padding:70px 20px;}
  .error-404 .code{font-size:64px;}

  /* footer */
  .site-footer{padding:28px 20px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-col ul,
  .footer-col ul.footer-list-3col{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
}