/* =========================================================
   日本戦略防衛研究ラボ (JSDL) — 共通スタイル
   ========================================================= */
:root{
  --navy:#0f2038; --navy-2:#16304f; --navy-3:#1e3d63;
  --gold:#b3893f; --gold-light:#d4b070;
  --ink:#1a1a1a; --muted:#5c6672; --line:#d9dee5;
  --bg:#f5f6f8; --paper:#ffffff; --red:#8c2a2a;
  --maxw:1180px;
  --serif:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  --sans:"Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN","Noto Sans JP","Meiryo",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;}
a{color:var(--navy-3);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* Top utility bar */
.topbar{background:#0a1728;color:#c9d3e0;font-size:12.5px;letter-spacing:.04em;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:34px;}
.topbar a{color:#c9d3e0;}
.topbar .lang a{margin-left:14px;}

/* Masthead */
.masthead{background:var(--navy);color:#fff;}
.masthead .container{display:flex;align-items:center;gap:20px;padding-top:18px;padding-bottom:18px;}
.crest{width:58px;height:58px;flex:0 0 58px;border:2px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold-light);font-family:var(--serif);font-size:26px;font-weight:700;background:radial-gradient(circle at 30% 30%,#1c3c5f,#0b1a2e);}
.brand-text{display:flex;flex-direction:column;}
.brand-jp{font-family:var(--serif);font-size:25px;font-weight:700;letter-spacing:.06em;line-height:1.2;}
.brand-en{font-size:11.5px;letter-spacing:.18em;color:var(--gold-light);text-transform:uppercase;margin-top:4px;}
.masthead .spacer{flex:1;}
.masthead .estd{text-align:right;font-size:12px;color:#9fb0c4;font-family:var(--serif);letter-spacing:.1em;}

/* Navigation */
.mainnav{background:var(--navy-2);border-top:1px solid rgba(255,255,255,.08);}
.mainnav .container{display:flex;flex-wrap:wrap;}
.mainnav a{color:#e7edf4;padding:13px 22px;font-size:15px;letter-spacing:.05em;border-right:1px solid rgba(255,255,255,.06);}
.mainnav a:hover,.mainnav a.active{background:var(--gold);color:#14243b;text-decoration:none;}

/* Hero */
.hero{background:linear-gradient(rgba(10,20,38,.82),rgba(10,20,38,.9)),var(--navy);color:#fff;padding:54px 0;}
.hero h1{font-family:var(--serif);font-size:30px;letter-spacing:.04em;margin:0 0 14px;line-height:1.4;}
.hero p{max-width:760px;color:#d3dbe6;font-size:16px;margin:0;}
.hero .tag{display:inline-block;background:var(--gold);color:#14243b;font-size:12.5px;padding:4px 12px;letter-spacing:.12em;margin-bottom:16px;font-weight:700;}

/* Sections */
.section{padding:40px 0;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;border-bottom:2px solid var(--navy);margin-bottom:22px;padding-bottom:8px;}
.section-head h2{font-family:var(--serif);font-size:22px;margin:0;letter-spacing:.06em;color:var(--navy);position:relative;padding-left:14px;}
.section-head h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;background:var(--gold);}
.section-head .more{font-size:13px;color:var(--muted);}

.grid{display:grid;grid-template-columns:1fr 320px;gap:40px;}
@media(max-width:900px){.grid{grid-template-columns:1fr;}}

.cards{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
@media(max-width:640px){.cards{grid-template-columns:1fr;}}
.card{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s;}
.card:hover{box-shadow:0 6px 20px rgba(15,32,56,.12);transform:translateY(-2px);}
.card .thumb{height:8px;background:linear-gradient(90deg,var(--navy),var(--navy-3));}
.card.jp .thumb{background:linear-gradient(90deg,#8c2a2a,#b04a4a);}
.card.us .thumb{background:linear-gradient(90deg,#1c3a63,#2f5c96);}
.card.cn .thumb{background:linear-gradient(90deg,#8a1f1f,#c0392b);}
.card.ru .thumb{background:linear-gradient(90deg,#3a3a3a,#6b6b6b);}
.card .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;}
.meta{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:8px;display:flex;gap:10px;align-items:center;}
.region-badge{font-size:11px;font-weight:700;letter-spacing:.08em;padding:2px 8px;color:#fff;background:var(--navy);}
.region-badge.jp{background:var(--red);}
.region-badge.us{background:#234a7a;}
.region-badge.cn{background:#a11f1f;}
.region-badge.ru{background:#4a4a4a;}
.card h3{font-family:var(--serif);font-size:18px;margin:0 0 8px;line-height:1.5;color:var(--navy);}
.card h3 a{color:inherit;}
.card p.excerpt{font-size:14px;color:#3d4652;margin:0 0 14px;flex:1;}
.card .read{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:.05em;align-self:flex-start;}

/* Sidebar */
.side-box{background:var(--paper);border:1px solid var(--line);margin-bottom:26px;}
.side-box h4{margin:0;font-family:var(--serif);font-size:16px;color:#fff;background:var(--navy);padding:11px 16px;letter-spacing:.06em;}
.side-box .inner{padding:14px 16px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.side-list li:last-child{border-bottom:none;}
.side-list .d{font-size:11.5px;color:var(--muted);}
.adslot{border:1px dashed #b9c2cf;background:#eef1f5;color:#8a95a3;text-align:center;font-size:12px;letter-spacing:.1em;padding:26px 10px;}

/* Papers */
.paper-item{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);padding:18px 22px;margin-bottom:16px;}
.paper-item .ptag{font-size:11.5px;color:#fff;background:var(--navy-3);padding:2px 9px;letter-spacing:.08em;}
.paper-item h3{font-family:var(--serif);font-size:18px;margin:10px 0 6px;color:var(--navy);}
.paper-item .pmeta{font-size:12.5px;color:var(--muted);}
.paper-item p{font-size:14px;margin:8px 0 0;color:#3d4652;}

/* Article */
.article{background:var(--paper);border:1px solid var(--line);padding:40px 48px;}
@media(max-width:640px){.article{padding:26px 22px;}}
.article .kicker{color:var(--gold);font-weight:700;letter-spacing:.12em;font-size:12.5px;}
.article h1{font-family:var(--serif);font-size:27px;line-height:1.5;color:var(--navy);margin:10px 0 14px;}
.article .byline{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:24px;}
.article h2{font-family:var(--serif);font-size:20px;color:var(--navy);border-left:5px solid var(--gold);padding-left:12px;margin:34px 0 14px;}
.article p{margin:0 0 16px;}
.article blockquote{border-left:3px solid var(--navy-3);background:#f2f5f9;margin:20px 0;padding:14px 20px;color:#34435a;font-size:15px;}
.article .lead{font-size:17px;color:#2a3441;font-weight:500;}
.keypoints{background:#f2f5f9;border:1px solid var(--line);padding:18px 24px;margin:22px 0;}
.keypoints h4{margin:0 0 8px;color:var(--navy);font-family:var(--serif);}
.keypoints ul{margin:0;padding-left:20px;}
.keypoints li{margin:5px 0;}
.sources{font-size:13px;color:var(--muted);border-top:1px solid var(--line);margin-top:30px;padding-top:16px;}
.sources a{word-break:break-all;}
.breadcrumb{font-size:12.5px;color:var(--muted);padding:14px 0;}
.breadcrumb a{color:var(--muted);}

/* Prose */
.prose{background:var(--paper);border:1px solid var(--line);padding:40px 48px;}
@media(max-width:640px){.prose{padding:26px 22px;}}
.prose h1{font-family:var(--serif);font-size:26px;color:var(--navy);margin-top:0;}
.prose h2{font-family:var(--serif);font-size:20px;color:var(--navy);border-left:5px solid var(--gold);padding-left:12px;margin-top:32px;}
.prose table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px;}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left;}
.prose th{background:var(--navy);color:#fff;font-weight:600;}
.prose tr:nth-child(even) td{background:#f6f8fa;}

/* Footer */
footer.site{background:var(--navy);color:#b9c4d2;margin-top:50px;padding:40px 0 26px;font-size:13.5px;}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;}
@media(max-width:720px){footer.site .cols{grid-template-columns:1fr;}}
footer.site h5{color:var(--gold-light);font-family:var(--serif);letter-spacing:.06em;margin:0 0 12px;font-size:15px;}
footer.site a{color:#b9c4d2;}
footer.site ul{list-style:none;padding:0;margin:0;}
footer.site li{margin:6px 0;}
footer.site .disclaimer{font-size:12px;color:#8090a3;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;color:#8494a8;font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

/* note 導線 */
.note-link{color:#41c9b4 !important;}
.mainnav a.note-nav{background:#2a8f80;color:#fff;}
.mainnav a.note-nav:hover{background:#41c9b4;color:#0c2a26;}
.note-cta{border:1px solid #41c9b4;background:#effbf9;border-left:5px solid #41c9b4;padding:18px 22px;margin:26px 0;}
.note-cta h4{margin:0 0 6px;color:#1c6b60;font-family:var(--serif);font-size:17px;}
.note-cta p{margin:0 0 12px;font-size:14px;color:#2a4a45;}
.note-cta a.btn{display:inline-block;background:#2a8f80;color:#fff !important;padding:9px 20px;font-weight:700;letter-spacing:.04em;font-size:14px;text-decoration:none;}
.note-cta a.btn:hover{background:#41c9b4;color:#0c2a26 !important;}
.side-box.note h4{background:#2a8f80;}


/* 追加地域・解説カラー */
.card.kp .thumb{background:linear-gradient(90deg,#7a1f1f,#a83e3e);}
.card.eu .thumb{background:linear-gradient(90deg,#14387a,#3f63a8);}
.card.me .thumb{background:linear-gradient(90deg,#8a6a2a,#c0973e);}
.card.ip .thumb{background:linear-gradient(90deg,#1c6b60,#2a8f80);}
.card.ex .thumb{background:linear-gradient(90deg,#3a3f4a,#5a6270);}
.region-badge.kp{background:#7a1f1f;}
.region-badge.eu{background:#14387a;}
.region-badge.me{background:#8a6a2a;}
.region-badge.ip{background:#1c6b60;}
.region-badge.ex{background:#454b57;}


/* 無料/有料タグ */
.tier-free{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;color:#1c6b60;background:#e3f5f1;border:1px solid #9fd8ce;padding:1px 8px;border-radius:2px;}
.tier-paid{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;color:#7a5a12;background:#f7eecf;border:1px solid #d9c07a;padding:1px 8px;border-radius:2px;}
.card .meta .tier-free,.card .meta .tier-paid{margin-left:auto;}
.free-notice{border:1px solid #cfd8e0;background:#f4f7f9;border-left:5px solid #2a8f80;padding:16px 22px;margin:26px 0;}
.free-notice h4{margin:0 0 6px;color:#1c6b60;font-family:var(--serif);font-size:16px;}
.free-notice p{margin:0;font-size:14px;color:#37424e;}


/* ニュースフィード */
.news-item{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--navy-3);padding:14px 20px;margin-bottom:12px;}
.news-item .nmeta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center;margin-bottom:6px;}
.news-item h3{font-family:var(--serif);font-size:17px;margin:0 0 6px;color:var(--navy);line-height:1.5;}
.news-item h3 a{color:inherit;}
.news-item p{font-size:14px;margin:0 0 7px;color:#3d4652;}
.news-item .nsrc{font-size:12px;color:var(--muted);}
.region-badge.ua{background:#2a6ab0;} .region-badge.tw{background:#157a5a;}
.region-badge.kr{background:#1f3f7a;} .region-badge.in{background:#c8781a;}
.region-badge.world{background:#3a3f4a;}
.news-home{list-style:none;margin:0;padding:0;}
.news-home li{padding:10px 0;border-bottom:1px dashed var(--line);}
.news-home li:last-child{border-bottom:none;}
.news-home .nt{font-size:11px;color:#fff;padding:1px 7px;letter-spacing:.06em;margin-right:8px;}
.news-home a{font-family:var(--serif);color:var(--navy);}
.news-home .d{font-size:11.5px;color:var(--muted);margin-left:8px;}


/* ===== auto-image (Wikimedia Commons, client-side) ===== */
.card .thumb{height:172px;background:linear-gradient(135deg,#14243b,#0b1523) center/cover no-repeat;}
.card .thumb.has-img{background-size:cover;}
.lead-fig{margin:0 0 22px;}
.lead-fig .lead-img{display:block;width:100%;max-height:430px;object-fit:cover;border:1px solid var(--line);}
.lead-fig figcaption{font-size:11.5px;color:var(--muted);margin-top:5px;}
.lead-fig figcaption a{color:var(--muted);}


/* ===== FIXED-IMG (curated DVIDS photos) ===== */
.news-home li{padding:10px 0;border-bottom:1px dashed var(--line);}
.news-home li:last-child{border-bottom:none;}
.news-home a.nrow{display:flex;gap:13px;align-items:center;text-decoration:none;}
.news-home .news-thumb{width:120px;height:80px;flex:0 0 120px;background:#0f2038 center/cover no-repeat;border:1px solid var(--line);}
.news-home .ntx{display:flex;flex-direction:column;gap:3px;}
.news-home .nh{font-family:var(--serif);color:var(--navy);font-size:15px;line-height:1.45;}
.news-home a.nrow:hover .nh{text-decoration:underline;}
.news-home .nt{align-self:flex-start;}
.mag-hero{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;margin:24px 0 6px;}
@media(max-width:820px){.mag-hero{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.mag-hero{grid-template-columns:1fr;}}
.feat{position:relative;display:block;min-height:200px;background:#0f2038 center/cover no-repeat;overflow:hidden;border:1px solid var(--line);}
.feat.big{grid-row:span 2;min-height:412px;}
@media(max-width:820px){.feat.big{grid-row:auto;grid-column:span 2;}}
@media(max-width:520px){.feat.big{grid-column:auto;min-height:220px;}}
.feat .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 15px 13px;background:linear-gradient(transparent,rgba(6,14,26,.92));color:#fff;}
.feat .cap .rt{font-size:11px;font-weight:700;letter-spacing:.06em;background:var(--gold);color:#14243b;padding:2px 8px;}
.feat .cap h3{font-family:var(--serif);margin:8px 0 0;font-size:15px;line-height:1.5;color:#fff;}
.feat.big .cap h3{font-size:21px;}
.feat:hover .cap h3{text-decoration:underline;}


/* ===== CROP-FIX / logo / feed thumbs ===== */
.crest{width:58px;height:58px;flex:0 0 58px;display:flex;align-items:center;justify-content:center;background:none;border:none;border-radius:0;}
.card .thumb{background-position:center 60%;}
.feat{background-position:center 55%;}
.news-home .news-thumb{background-position:center 60%;}
.lead-fig .lead-img{object-position:center 42%;}
.news-item{display:flex;gap:16px;align-items:stretch;}
.news-item .ni-thumb{width:168px;min-height:112px;flex:0 0 168px;background:#0f2038 center 58%/cover no-repeat;border:1px solid var(--line);display:block;align-self:stretch;}
.news-item .ni-body{flex:1;min-width:0;}
@media(max-width:560px){.news-item{flex-direction:column;}.news-item .ni-thumb{width:100%;height:170px;flex-basis:170px;}}


/* ===== inline figures & charts ===== */
.inline-fig{margin:24px 0;}
.inline-fig img{width:100%;max-height:400px;object-fit:cover;object-position:center 45%;border:1px solid var(--line);display:block;}
.inline-fig figcaption{font-size:11.5px;color:var(--muted);margin-top:5px;}
.inline-fig figcaption a{color:var(--muted);}
.chart-fig{background:#f6f8fa;border:1px solid var(--line);padding:18px 22px;margin:24px 0;}
.chart-fig h4{margin:0 0 10px;font-family:var(--serif);color:var(--navy);font-size:16px;}
.chart-fig .src{font-size:11px;color:var(--muted);margin-top:8px;}


/* ===== MOBILE-NAV & responsive polish ===== */
.navtoggle{display:none;}
@media(max-width:768px){
  .navtoggle{display:block;width:100%;background:var(--navy-2);color:#fff;border:none;padding:14px 22px;text-align:left;font-size:15px;letter-spacing:.06em;cursor:pointer;font-family:inherit;}
  .mainnav .container{flex-direction:column;padding:0;}
  .mainnav a{border-right:none;border-top:1px solid rgba(255,255,255,.10);padding:14px 22px;width:100%;}
  .mainnav:not(.open) a{display:none;}
  .mainnav.open a{display:block;}
}
@media(max-width:640px){
  .container{padding:0 16px;}
  .topbar{font-size:11px;letter-spacing:.02em;}
  .topbar .container{height:auto;min-height:30px;padding:6px 16px;flex-wrap:wrap;gap:2px 10px;}
  .masthead .container{gap:12px;padding-top:14px;padding-bottom:14px;}
  .crest{width:46px;height:46px;flex-basis:46px;}
  .crest svg{width:44px;height:44px;}
  .brand-jp{font-size:19px;letter-spacing:.03em;}
  .brand-en{font-size:9px;letter-spacing:.1em;margin-top:2px;}
  .masthead .estd{display:none;}
  .hero{padding:34px 0;}
  .hero h1{font-size:21px;line-height:1.45;}
  .hero p{font-size:14.5px;}
  .section{padding:28px 0;}
  .section-head h2{font-size:19px;}
  .article,.prose{padding:24px 18px;}
  .article h1{font-size:22px;}
  .prose h1{font-size:21px;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
  .lead-fig .lead-img{max-height:300px;}
  .feat.big .cap h3{font-size:18px;}
}


/* ===== CROP-FIX2 ===== */
.card .thumb{height:168px;background-position:center 50%;}


/* ===== FULLPHOTO: show photos without harsh cropping ===== */
.card .thumb{aspect-ratio:3/2;height:auto;min-height:0;background-position:center;background-size:cover;}
.lead-fig .lead-img{width:100%;height:auto;max-height:none;object-fit:unset;object-position:center;}
.inline-fig img{height:auto;max-height:none;object-fit:unset;}
@media(max-width:640px){.lead-fig .lead-img{max-height:none;}}

/* --- 印刷/PDF保存でも背景画像・背景色を出力する --- */
.feat, .thumb, .news-thumb, .card, .mag-hero, .hero, .masthead, .topbar, .mainnav {
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
@media print {
  .feat, .thumb, .news-thumb {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}