:root{
  --ink:#1f342e;
  --muted:#66766f;
  --brand:#1d9a6c;
  --brand-dark:#137955;
  --brand-soft:#edf8f3;
  --brand-pale:#f6fbf8;
  --sand:#fff8ea;
  --line:#d7e4dd;
  --white:#fff;
  --danger:#b42318;
  --shadow:0 18px 40px rgba(22,55,44,.08);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.muted{color:var(--muted)}
.hidden{display:none!important}
.badge{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--ink)}
.chip{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--brand-soft);font-size:12px;font-weight:800;color:var(--brand-dark)}
.section-label{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:900;margin:0 0 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:14px;border:1px solid transparent;font-weight:900;cursor:pointer;transition:.2s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--brand-dark)}
.btn-secondary{background:#fff;border-color:var(--line)}
.btn-secondary:hover{border-color:var(--brand)}
.btn-sm{padding:10px 14px;border-radius:12px;font-size:14px}
.btn-danger{background:#fff;border-color:#efcdc9;color:var(--danger)}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:900}
.brand-mark{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:var(--brand-soft);font-size:24px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:10px 14px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:800}
.main-nav a.active,.main-nav a:hover{color:var(--brand-dark);background:var(--brand-soft)}
.menu-btn{display:none;width:46px;height:46px;border:0;background:var(--brand-soft);border-radius:16px;color:#2b7cff;font-size:24px}
.hero{padding:72px 0;background:linear-gradient(135deg,var(--brand-pale) 0%, var(--sand) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.hero-copy-top{font-size:14px;color:var(--brand-dark);font-weight:900;letter-spacing:.05em}
.hero h1{font-size:clamp(42px,6vw,70px);line-height:1.1;margin:14px 0 18px}
.hero h1 span{color:var(--brand)}
.hero-copy{font-size:18px;color:var(--muted);max-width:640px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 18px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-side{display:grid;gap:18px}
.hero-feature-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;overflow:hidden}
.hero-feature-card img{height:320px;width:100%;object-fit:cover;background:#eef3ef}
.hero-side-body{padding:22px}
.hero-side-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.hero-side-body h3{margin:0 0 8px;font-size:26px;line-height:1.35}
.hero-side-body p{margin:0;color:var(--muted)}
.quick-search{padding:24px 0 0}
.quick-search-box{display:grid;grid-template-columns:1.2fr .8fr .8fr auto;gap:12px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px}
.quick-search-box input,.quick-search-box select{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px}
.section{padding:74px 0}
.section.soft{background:var(--brand-pale)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:26px}
.section-head h2,.section-head h1{margin:0;line-height:1.2}
.section-head h2{font-size:40px}
.section-head h1{font-size:44px}
.section-head p{margin:.4rem 0 0;color:var(--muted)}
.section-link{color:var(--brand);font-weight:900}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}
.article-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eff4ef}
.article-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.article-card:hover .article-card-media img{transform:scale(1.04)}
.article-card-icon{position:absolute;top:16px;left:16px;width:54px;height:54px;display:grid;place-items:center;background:rgba(255,255,255,.88);border-radius:18px;font-size:28px;backdrop-filter:blur(10px)}
.article-card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.meta-row .chip{background:var(--brand-soft)}
.meta-row time{font-size:12px;color:var(--muted);margin-left:auto}
.article-card h3{font-size:28px;line-height:1.4;margin:14px 0 10px}
.article-card p{margin:0;color:var(--muted);font-size:15px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.practical-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.practical-row span,.tag-row span{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#f6f9f8;font-size:12px;color:#42524b;border:1px solid #e7efea}
.card-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);margin-top:18px}
.card-footer a{color:var(--brand);font-weight:900}
.count-line{color:var(--muted);margin-bottom:18px}
.empty-state{padding:64px 20px;background:var(--brand-pale);border-radius:26px;text-align:center}
.area-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.area-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px 22px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow)}
.area-card .emoji{font-size:38px}
.area-card strong{font-size:30px;line-height:1.1}
.area-card span{color:var(--muted);font-size:14px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.feature-box{padding:10px 6px}
.feature-no{font-size:20px;font-weight:900;color:var(--brand)}
.feature-box h3{font-size:24px;margin:14px 0 10px}
.feature-box p{color:var(--muted);margin:0}
.filters{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:12px;margin-bottom:18px}
.filters input,.filters select,.editor-grid input,.editor-grid textarea,.editor-grid select,.login-card input{width:100%;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.page-hero{padding:54px 0;background:var(--brand-pale)}
.page-hero h1{font-size:52px;line-height:1.15;margin:0}
.page-hero p{color:var(--muted);margin:.7rem 0 0}
.article-layout{max-width:940px;padding-top:34px;padding-bottom:74px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.article-header h1{font-size:clamp(34px,6vw,54px);line-height:1.25;margin:16px 0}
.article-lead{font-size:19px;color:var(--muted)}
.article-cover{position:relative;overflow:hidden;border-radius:30px;margin:30px 0 26px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#edf3ef}
.article-cover-badge{position:absolute;left:20px;top:20px;background:rgba(255,255,255,.92);width:64px;height:64px;border-radius:22px;display:grid;place-items:center;font-size:32px;box-shadow:var(--shadow)}
.detail-grid{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.article-body{font-size:17px}
.article-body h2{font-size:31px;line-height:1.3;margin:36px 0 10px}
.article-body h3{font-size:24px;margin:26px 0 8px}
.article-body p{margin:16px 0;color:#2f3e38}
.article-body ul{padding-left:18px}
.article-body li{margin:8px 0}
.info-box,.affiliate-box,.seo-box,.admin-box,.login-card,.stat-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.info-box,.affiliate-box,.seo-box{padding:22px}
.sidebar-stack{display:grid;gap:18px;position:sticky;top:96px}
.info-box h3,.affiliate-box h3,.seo-box h3,.admin-box h3,.login-card h2{margin:0 0 14px;font-size:20px}
.info-list{display:flex;gap:10px;flex-wrap:wrap}
.info-list span{padding:8px 12px;border-radius:999px;background:var(--brand-pale);font-size:13px;font-weight:800}
.affiliate-links{display:grid;gap:10px}
.affiliate-links a{display:flex;justify-content:space-between;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px;font-weight:800}
.affiliate-links a:hover{border-color:var(--brand)}
.back-link{margin-top:24px}
.site-footer{background:#173129;color:#fff;padding:48px 0 40px;margin-top:20px}
.site-footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-end}
.site-footer p,.site-footer small{color:#c1d3cb}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:#fff;font-weight:700}
.admin-body{background:#f6f9f8}
.admin-header{background:#fff;border-bottom:1px solid var(--line)}
.admin-header .container{min-height:76px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.admin-status{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--brand-soft);font-size:12px;font-weight:800;color:var(--brand-dark)}
.login-wrap{padding:48px 0 24px}
.login-card{padding:26px;max-width:520px;margin:0 auto}
.login-card p{margin:.35rem 0 0;color:var(--muted)}
.login-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.admin-shell{padding:28px 0 70px}
.admin-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px}
.admin-sidebar{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow);height:max-content;position:sticky;top:94px}
.admin-sidebar h3{margin:0 0 12px;font-size:18px}
.admin-tab{width:100%;text-align:left;padding:12px 14px;border-radius:14px;border:0;background:transparent;font-weight:800;color:var(--muted);cursor:pointer}
.admin-tab.active{background:var(--brand-soft);color:var(--brand-dark)}
.admin-note{font-size:12px;color:var(--muted);margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.admin-panel{display:none}
.admin-panel.active{display:block}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card{padding:22px}
.stat-card span{display:block;color:var(--muted);font-size:13px}
.stat-card strong{display:block;font-size:34px;margin-top:6px}
.admin-box{padding:22px;margin-top:20px}
.admin-list-row{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.admin-list-row:last-child{border-bottom:0}
.row-meta small{display:block;color:var(--muted);margin-top:4px}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row-actions button{padding:9px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;font-weight:700;cursor:pointer}
.status-pill{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900}
.status-pill.pub{background:#dff7ec;color:#0f704d}
.status-pill.draft{background:#eee;color:#707070}
.editor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.editor-grid label{display:block;font-weight:800}
.editor-grid label span{display:block;margin-bottom:8px}
.editor-grid .full{grid-column:1/-1}
.check-row{display:flex;gap:10px;flex-wrap:wrap}
.check-box{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:700}
.check-box input{width:auto}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.save-message{font-weight:800;color:var(--brand-dark);margin:6px 0 0}
.inline-help{font-size:12px;color:var(--muted);margin-top:6px}
.health-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.seed-box{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap}
.search-cta{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;justify-content:space-between;gap:16px;align-items:center;box-shadow:var(--shadow)}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.no-scroll{overflow:hidden}
@media (max-width: 1000px){
  .hero-grid,.detail-grid,.admin-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .area-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .feature-grid,.stat-grid,.health-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sidebar-stack,.admin-sidebar{position:static}
  .filters,.quick-search-box{grid-template-columns:1fr 1fr}
  .quick-search-box .btn,.filters button{grid-column:1/-1}
}
@media (max-width: 720px){
  .container{width:min(100% - 22px,1180px)}
  .menu-btn{display:grid;place-items:center}
  .main-nav{display:none;position:absolute;top:74px;left:11px;right:11px;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .hero{padding:44px 0}
  .hero h1{font-size:clamp(36px,11vw,58px)}
  .section{padding:52px 0}
  .section-head h2{font-size:34px}
  .section-head h1,.page-hero h1{font-size:38px}
  .card-grid,.area-grid,.feature-grid,.filters,.stat-grid,.health-grid,.related-grid,.quick-search-box,.editor-grid{grid-template-columns:1fr}
  .hero-side-body h3,.area-card strong{font-size:24px}
  .article-card h3{font-size:22px}
  .header-inner{min-height:72px}
  .brand{font-size:15px}
  .brand-mark{width:42px;height:42px;border-radius:14px}
  .admin-header .container,.site-footer-grid{align-items:flex-start;flex-direction:column}
  .admin-sidebar{display:flex;flex-wrap:wrap;gap:8px}
  .admin-sidebar h3,.admin-note{width:100%}
  .admin-tab{width:auto}
  .quick-search{padding-top:6px}
}