/* ============================================================
   日本UAV産業オペレータートレーニングセンター SAITAMA
   Design System  ―  先進テック × 信頼
   ============================================================ */
:root{
  --navy:#1a2744;        /* プライマリ濃紺 */
  --navy-2:#243257;
  --navy-3:#0d1735;
  --gold:#f0a500;        /* アクセント */
  --gold-d:#c98a00;
  --blue:#2d6be4;        /* テックブルー */
  --blue-d:#1a4fb0;
  --cyan:#22c3d6;
  --ink:#1a2030;
  --muted:#5a6275;
  --line:#e2e6ee;
  --bg:#f5f7fb;
  --bg-2:#eef1f7;
  --white:#fff;
  --ok:#1d9e75;
  --radius:14px;
  --radius-s:10px;
  --shadow:0 4px 24px rgba(16,26,54,.08);
  --shadow-lg:0 12px 48px rgba(16,26,54,.16);
  --wrap:1120px;
  --font:'Noto Sans JP',system-ui,-apple-system,'Hiragino Kaku Gothic ProN','Meiryo',sans-serif;
  --font-head:'Zen Kaku Gothic New',var(--font);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--ink);background:var(--white);
  line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;
  text-size-adjust:100%;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color .15s}
a:hover{color:var(--blue-d)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.4;color:var(--navy-3);font-weight:700;letter-spacing:.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px;margin:0 auto;padding:0 20px}
section{padding:64px 0}
@media(max-width:640px){section{padding:44px 0}}

/* ===== ユーティリティ ===== */
.eyebrow{display:inline-block;font-family:var(--font-head);font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--blue);background:#eaf1fd;padding:5px 14px;border-radius:20px;margin-bottom:14px}
.eyebrow.gold{color:var(--gold-d);background:#fdf3dc}
.section-title{font-size:clamp(24px,3.4vw,34px);margin-bottom:10px}
.section-lead{color:var(--muted);font-size:15px;margin-bottom:36px;max-width:640px}
.center{text-align:center}
.center .section-lead{margin-left:auto;margin-right:auto}
.text-gold{color:var(--gold-d)}
.text-blue{color:var(--blue)}

/* ===== ボタン ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:700;
  font-size:15px;padding:14px 30px;border-radius:100px;border:2px solid transparent;cursor:pointer;
  transition:transform .12s,box-shadow .2s,background .2s;white-space:nowrap;line-height:1}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#3a2a00;box-shadow:0 6px 20px rgba(240,165,0,.35)}
.btn-gold:hover{background:var(--gold-d);color:#fff}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(45,107,228,.3)}
.btn-primary:hover{background:var(--blue-d);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);color:#fff}
.btn-ghost{background:transparent;color:var(--navy);border-color:#cbd3e2}
.btn-ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-lg{font-size:17px;padding:17px 40px}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--gold);color:#3a2a00}

/* ===== ヘッダー ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:16px;height:68px;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:38px;height:38px;border-radius:8px}
.brand .bt{font-family:var(--font-head);font-weight:700;font-size:15px;color:var(--navy-3);line-height:1.25}
.brand .bt small{display:block;font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.nav{margin-left:auto;display:flex;align-items:center;gap:0}
.nav a{font-family:var(--font-head);font-size:13px;font-weight:500;color:var(--navy-3);padding:9px 9px;border-radius:8px;white-space:nowrap}
.nav .mobile-cta{display:none}
.nav a:hover{background:var(--bg);color:var(--blue)}
.nav .has-sub{position:relative}
.nav .submenu{position:absolute;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);min-width:264px;padding:8px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:.18s}
.nav .has-sub:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.nav .submenu a{display:block;padding:10px 12px;font-size:13px;border-radius:8px}
.nav .submenu a small{display:block;color:var(--muted);font-size:11px;font-weight:400}
.header-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:960px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 20px 24px;gap:2px;box-shadow:var(--shadow-lg);
    max-height:calc(100vh - 68px);overflow-y:auto;transform:translateY(-120%);transition:transform .3s;margin:0}
  .nav.open{transform:translateY(0)}
  .nav a{padding:13px 10px;font-size:15px;border-bottom:1px solid var(--bg)}
  .nav .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;
    min-width:0;padding:0 0 6px 12px;background:var(--bg);border-radius:8px;margin:2px 0}
  .nav .mobile-cta{display:block;margin-top:12px}
  .nav .mobile-cta .btn{width:100%;justify-content:center}
}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(135deg,#0d1735 0%,#1a2744 55%,#243257 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 20%,rgba(45,107,228,.35),transparent 46%),
             radial-gradient(circle at 12% 88%,rgba(240,165,0,.18),transparent 44%)}
.hero-inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:76px 20px 84px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);padding:7px 16px;border-radius:100px;font-size:12.5px;
  font-family:var(--font-head);font-weight:500;letter-spacing:.04em;margin-bottom:22px}
.hero-badge b{color:var(--gold)}
.hero h1{color:#fff;font-size:clamp(28px,4.4vw,46px);line-height:1.3;letter-spacing:.01em}
.hero h1 .hl{color:var(--gold)}
.hero .lead{color:rgba(255,255,255,.82);font-size:16px;margin:20px 0 30px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.14)}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure .cap{position:absolute;left:0;bottom:0;right:0;padding:14px 16px;font-size:12px;
  background:linear-gradient(transparent,rgba(13,23,53,.85));color:rgba(255,255,255,.9)}
.hero-stats{position:relative;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.hero-stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;
  padding:22px;margin-top:-40px;position:relative;backdrop-filter:blur(6px)}
.hstat{text-align:center;color:#fff}
.hstat b{display:block;font-family:var(--font-head);font-size:26px;color:var(--gold);line-height:1.1}
.hstat span{font-size:12px;color:rgba(255,255,255,.78)}
@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;padding:52px 20px 64px;gap:30px}
  .hero-figure{order:-1}
  .hero-stats-inner{grid-template-columns:repeat(2,1fr);margin-top:18px;gap:10px}
  .hstat b{font-size:21px}
  .hstat span{font-size:11px}
}

/* ===== カード・グリッド ===== */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ic{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:24px;background:linear-gradient(135deg,#eaf1fd,#dbe7fb);color:var(--blue);margin-bottom:16px}
.card.gold .ic{background:linear-gradient(135deg,#fdf3dc,#fbe8bf);color:var(--gold-d)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.card .num{font-family:var(--font-head);font-weight:700;color:var(--gold);font-size:14px;margin-bottom:6px;display:block}

/* コースカード */
.course-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.course-card .cc-img{aspect-ratio:16/9;overflow:hidden}
.course-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.course-card:hover .cc-img img{transform:scale(1.05)}
.course-card .cc-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.tag{display:inline-block;font-family:var(--font-head);font-size:11px;font-weight:700;padding:3px 11px;border-radius:20px;letter-spacing:.04em}
.tag-itto{background:#e6f1fb;color:#185fa5}.tag-nito{background:#e1f5ee;color:#0f6e56}
.tag-gold{background:#fdf3dc;color:#8a5b00}.tag-navy{background:#e7eaf4;color:var(--navy)}
.course-card h3{font-size:19px;margin:12px 0 6px}
.course-card .price{font-family:var(--font-head);color:var(--navy-3);margin-top:auto;padding-top:14px}
.course-card .price b{font-size:26px;color:var(--gold-d)}
.course-card .price small{font-size:12px;color:var(--muted);font-weight:400}

/* ===== 比較表・料金表 ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
table.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:14.5px;min-width:520px}
table.tbl th,table.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl thead th{background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:500;font-size:14px}
table.tbl tbody th{background:var(--bg);font-weight:700;color:var(--navy-3);white-space:nowrap}
table.tbl tr:last-child td,table.tbl tr:last-child th{border-bottom:none}
table.tbl .yen{font-family:var(--font-head);color:var(--gold-d);font-weight:700;white-space:nowrap}
table.tbl .yen b{font-size:19px}
table.tbl tbody tr:hover td{background:#f9fbff}
.tbl-note{font-size:12px;color:var(--muted);margin-top:10px}

/* ===== 帯・CTA ===== */
.band{background:var(--bg);}
.band-navy{background:linear-gradient(120deg,var(--navy-3),var(--navy) 60%,var(--navy-2));color:#fff}
.band-navy h2,.band-navy h3{color:#fff}
.trust-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 34px;padding:26px 20px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust-bar .ti{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.trust-bar .ti b{font-family:var(--font-head);color:var(--navy-3);font-size:15px}
.trust-bar img{height:34px;width:auto;opacity:.9}

.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy-3),#1c3a72);color:#fff;text-align:center;border-radius:22px;padding:52px 30px}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 0%,rgba(240,165,0,.22),transparent 45%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.85);margin-bottom:26px;font-size:15px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-tel{margin-top:20px;font-size:13px;color:rgba(255,255,255,.75)}
.cta-tel b{font-family:var(--font-head);color:#fff;font-size:20px}

/* ===== ステップ・特徴 ===== */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.step::before{counter-increment:s;content:counter(s);flex-shrink:0;width:42px;height:42px;border-radius:50%;
  background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{font-size:17px;margin-bottom:4px}
.step p{color:var(--muted);font-size:14px}

.route{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:700px){.route{grid-template-columns:1fr}}
.route-card{border:2px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;position:relative}
.route-card.reco{border-color:var(--gold);box-shadow:0 8px 30px rgba(240,165,0,.16)}
.route-card.reco::after{content:"当校のおすすめ";position:absolute;top:-13px;left:24px;background:var(--gold);color:#3a2a00;
  font-family:var(--font-head);font-size:12px;font-weight:700;padding:4px 14px;border-radius:20px}
.route-card h3{font-size:19px;margin-bottom:8px}
.route-card ul{list-style:none;margin-top:14px;display:grid;gap:8px}
.route-card li{padding-left:26px;position:relative;font-size:14px;color:var(--ink)}
.route-card li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* ===== 記事・本文 ===== */
.article{padding:0}
.article-hero{background:var(--navy-3);color:#fff;padding:56px 0 44px}
.breadcrumb{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--blue)}
.article-hero .breadcrumb,.article-hero .breadcrumb a{color:rgba(255,255,255,.62)}
.article-hero h1{color:#fff;font-size:clamp(24px,3.6vw,36px);margin:6px 0 14px}
.article-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.7)}
.article-body{padding:48px 0 20px}
.article-body h2{font-size:clamp(21px,2.6vw,27px);margin:44px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--bg-2)}
.article-body h2 .n{color:var(--gold);margin-right:10px}
.article-body h3{font-size:19px;margin:30px 0 10px;color:var(--navy)}
.article-body p{margin:14px 0;color:#2a3244}
.article-body ul,.article-body ol{margin:14px 0 14px 4px;padding-left:22px}
.article-body li{margin:7px 0}
.article-body strong{color:var(--navy-3);font-weight:700}
.article-body a{text-decoration:underline;text-underline-offset:2px}
.lead-box{background:linear-gradient(120deg,#eff4fd,#f7f2e6);border:1px solid #e3e9f5;border-left:4px solid var(--gold);
  border-radius:12px;padding:22px 24px;margin:8px 0 8px}
.lead-box .lb-t{font-family:var(--font-head);font-weight:700;color:var(--navy-3);margin-bottom:8px;font-size:15px}
.lead-box p{margin:6px 0;font-size:14.5px}
.callout{background:#eff4fd;border:1px solid #dbe7fb;border-radius:12px;padding:18px 22px;margin:22px 0}
.callout.gold{background:#fdf7ea;border-color:#f4e6c4}
.callout .ct{font-family:var(--font-head);font-weight:700;color:var(--navy-3);margin-bottom:4px;font-size:14px}
.callout p{margin:4px 0;font-size:14px}
figure.imgblock{margin:26px 0}
figure.imgblock img{border-radius:12px;box-shadow:var(--shadow);width:100%}
figure.imgblock figcaption{font-size:12px;color:var(--muted);margin-top:8px;text-align:center}
.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin:26px 0}
.toc .toc-t{font-family:var(--font-head);font-weight:700;color:var(--navy-3);margin-bottom:8px;font-size:14px}
.toc ol{margin:0;padding-left:20px}
.toc li{margin:5px 0;font-size:14px}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);
  border-radius:14px;padding:22px;margin:38px 0 0}
.author-box img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#fff;padding:6px;border:1px solid var(--line)}
.author-box .ab-name{font-family:var(--font-head);font-weight:700;color:var(--navy-3)}
.author-box .ab-role{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.author-box p{font-size:13px;color:var(--muted)}

/* ===== FAQ ===== */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-family:var(--font-head);font-weight:500;font-size:15.5px;color:var(--navy-3)}
.faq-q .qm{flex-shrink:0;width:26px;height:26px;border-radius:6px;background:var(--navy);color:#fff;display:flex;
  align-items:center;justify-content:center;font-size:13px;font-weight:700}
.faq-q .chev{margin-left:auto;transition:transform .25s;color:var(--muted);flex-shrink:0}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{padding:0 22px 20px 60px;color:var(--muted);font-size:14.5px}
.faq-item.open .faq-a{max-height:600px}

/* ===== ページヘッダ（下層共通） ===== */
.page-head{background:linear-gradient(120deg,var(--navy-3),var(--navy) 70%);color:#fff;padding:52px 0 46px;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(45,107,228,.3),transparent 44%)}
.page-head>.wrap{position:relative}
.page-head .breadcrumb,.page-head .breadcrumb a{color:rgba(255,255,255,.6)}
.page-head h1{color:#fff;font-size:clamp(26px,3.8vw,38px);margin:8px 0 10px}
.page-head p{color:rgba(255,255,255,.8);max-width:640px}

/* ===== コラム一覧 ===== */
.col-card{display:flex;flex-direction:column;overflow:hidden;padding:0;height:100%}
.col-card .cc-img{aspect-ratio:16/9;overflow:hidden}
.col-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.col-card:hover .cc-img img{transform:scale(1.05)}
.col-card .cc-b{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.col-card .date{font-size:11.5px;color:var(--muted);margin-bottom:6px}
.col-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px}
.col-card p{font-size:13px;color:var(--muted);flex:1}
.col-card .more{margin-top:12px;font-family:var(--font-head);font-weight:700;font-size:13px;color:var(--blue)}

/* ===== フッター ===== */
.site-footer{background:var(--navy-3);color:rgba(255,255,255,.72);padding:56px 0 26px;font-size:13.5px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
@media(max-width:820px){.footer-top{grid-template-columns:1fr 1fr;gap:26px}}
@media(max-width:480px){.footer-top{grid-template-columns:1fr}}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .fb-logo img{width:40px;height:40px;border-radius:8px}
.footer-brand .fb-logo b{font-family:var(--font-head);color:#fff;font-size:15px;line-height:1.3}
.footer-brand p{font-size:12.5px;line-height:1.7}
.footer-col h4{color:#fff;font-size:13px;font-family:var(--font-head);margin-bottom:14px;letter-spacing:.03em}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{color:rgba(255,255,255,.72);font-size:13px}
.footer-col a:hover{color:var(--gold)}
.footer-contact li{font-size:12.5px;margin-bottom:8px;line-height:1.6}
.footer-contact b{color:#fff;font-family:var(--font-head)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:11.5px;color:rgba(255,255,255,.5)}
.footer-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  padding:5px 12px;border-radius:8px;color:rgba(255,255,255,.8);font-size:11.5px}

/* ===== 追従CTA（モバイル） ===== */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:900;display:none;gap:0;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(0,0,0,.08)}
.sticky-cta a{flex:1;text-align:center;padding:12px 6px;font-family:var(--font-head);font-weight:700;font-size:13px}
.sticky-cta .s-tel{color:var(--navy)}
.sticky-cta .s-trial{background:var(--gold);color:#3a2a00}
@media(max-width:760px){.sticky-cta{display:flex}body{padding-bottom:52px}}

/* ===== 記事内 図解コンポーネント ===== */
.diagram{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;margin:26px 0;box-shadow:var(--shadow)}
.diagram-t{font-family:var(--font-head);font-weight:700;color:var(--navy-3);font-size:14px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.diagram-t::before{content:"";width:4px;height:16px;background:var(--gold);border-radius:2px}
/* フロー（横並び矢印） */
.flow{display:flex;align-items:stretch;gap:0;flex-wrap:wrap}
.flow-step{flex:1;min-width:120px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center;position:relative}
.flow-step .fs-n{font-family:var(--font-head);font-weight:700;color:var(--blue);font-size:12px}
.flow-step .fs-t{font-family:var(--font-head);font-weight:700;color:var(--navy-3);font-size:14px;margin:4px 0}
.flow-step .fs-d{font-size:12px;color:var(--muted)}
.flow-arrow{display:flex;align-items:center;color:var(--gold);font-size:20px;padding:0 4px}
@media(max-width:640px){.flow{flex-direction:column}.flow-arrow{transform:rotate(90deg);padding:4px 0;justify-content:center}}
/* タイムライン（横軸） */
.timeline{position:relative;margin:8px 0}
.timeline-track{display:flex;justify-content:space-between;position:relative;padding-top:26px}
.timeline-track::before{content:"";position:absolute;top:32px;left:6%;right:6%;height:3px;background:linear-gradient(90deg,var(--blue),var(--gold))}
.tl-point{position:relative;text-align:center;flex:1;z-index:1}
.tl-point .dot{width:14px;height:14px;border-radius:50%;background:var(--navy);border:3px solid #fff;box-shadow:0 0 0 2px var(--navy);margin:0 auto 8px}
.tl-point.hl .dot{background:var(--gold);box-shadow:0 0 0 2px var(--gold)}
.tl-point .tl-l{font-family:var(--font-head);font-weight:700;font-size:12.5px;color:var(--navy-3)}
.tl-point .tl-s{font-size:11px;color:var(--muted);display:block}
@media(max-width:640px){.timeline-track{flex-direction:column;gap:14px;padding-top:0}.timeline-track::before{display:none}.tl-point{display:flex;gap:10px;text-align:left;align-items:center}.tl-point .dot{margin:0}}
/* 比較（2カラム、できる/できない） */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vs-col{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.vs-col .vs-h{padding:12px;text-align:center;font-family:var(--font-head);font-weight:700;color:#fff}
.vs-col.a .vs-h{background:var(--blue)}.vs-col.b .vs-h{background:var(--ok)}
.vs-col ul{list-style:none;margin:0;padding:14px}
.vs-col li{font-size:13px;padding:6px 0 6px 24px;position:relative;border-bottom:1px solid var(--bg)}
.vs-col li:last-child{border-bottom:none}
.vs-col li.y::before{content:"○";position:absolute;left:2px;color:var(--ok);font-weight:700}
.vs-col li.n::before{content:"×";position:absolute;left:2px;color:#c62828;font-weight:700}
@media(max-width:560px){.vs{grid-template-columns:1fr}}
/* 誤解ボックス */
.myth{border:1px solid #f4d9d9;background:#fdf5f5;border-radius:12px;padding:16px 20px;margin:18px 0}
.myth .m-x{color:#c62828;font-family:var(--font-head);font-weight:700;font-size:13.5px;margin-bottom:4px}
.myth .m-o{color:var(--ok);font-family:var(--font-head);font-weight:700;font-size:13.5px;margin:8px 0 4px}
.myth p{margin:2px 0;font-size:13.5px}
/* チェックリスト */
.checklist2{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:20px 0}
.checklist2 li{list-style:none;padding:7px 0 7px 30px;position:relative;font-size:14px;border-bottom:1px dashed #dfe4ee}
.checklist2 li:last-child{border-bottom:none}
.checklist2 li::before{content:"";position:absolute;left:2px;top:11px;width:16px;height:16px;border:2px solid var(--ok);border-radius:4px}
.checklist2 li::after{content:"";position:absolute;left:7px;top:12px;width:4px;height:9px;border:solid var(--ok);border-width:0 2px 2px 0;transform:rotate(45deg)}
.keytake{background:linear-gradient(120deg,#eef4fd,#f6f1e6);border:1px solid #e0e7f3;border-radius:12px;padding:18px 22px;margin:24px 0}
.keytake .kt-t{font-family:var(--font-head);font-weight:700;color:var(--navy-3);margin-bottom:8px;font-size:14px}
.keytake ul{margin:0 0 0 18px;padding:0}.keytake li{margin:5px 0;font-size:14px}

/* ===== 汎用 ===== */
.pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.pill{background:var(--bg);border:1px solid var(--line);border-radius:100px;padding:6px 15px;font-size:12.5px;color:var(--navy-3);font-family:var(--font-head)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split img{border-radius:16px;box-shadow:var(--shadow)}
@media(max-width:760px){.split{grid-template-columns:1fr;gap:24px}}
.mt0{margin-top:0}.mt8{margin-top:8px}.mb0{margin-bottom:0}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}}