:root{
  --bg:#f7f2e9;
  --paper:#fffaf2;
  --paper2:#fffdf8;
  --text:#1d2c2a;
  --muted:#65736f;
  --line:#e5dacb;
  --primary:#123f3b;
  --primary2:#1f5b55;
  --accent:#d9893d;
  --accent2:#f1d4b4;
  --sky:#dfeceb;
  --shadow:0 18px 45px rgba(22,47,43,.11);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at top left, rgba(217,137,61,.16), transparent 34rem),
    radial-gradient(circle at 90% 12%, rgba(31,91,85,.13), transparent 32rem),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  line-height:1.85;
  letter-spacing:.02em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:10px;background:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip-link:focus{left:10px}
.site-header{
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid rgba(229,218,203,.86);
  background:rgba(247,242,233,.88);
  backdrop-filter:blur(16px);
}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:12px;color:var(--primary);font-weight:800;letter-spacing:.035em}
.logo img{width:44px;height:44px;border-radius:14px;box-shadow:0 8px 18px rgba(18,63,59,.16)}
.logo small{display:block;color:var(--muted);font-size:11px;letter-spacing:.08em;line-height:1.2}
.nav{display:flex;gap:18px;align-items:center;font-size:14px;font-weight:700;color:#314542}
.nav a{padding:8px 3px;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--accent);color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff!important;border:0!important;border-radius:999px;padding:10px 15px!important;box-shadow:0 12px 24px rgba(18,63,59,.2)}
.menu-button{display:none;border:1px solid var(--line);border-radius:12px;background:#fffdf8;width:42px;height:42px;color:var(--primary);font-weight:800}
.hero{padding:70px 0 48px}
.hero-grid{display:grid;grid-template-columns:1fr .95fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;background:rgba(255,250,242,.78);border:1px solid var(--line);border-radius:999px;padding:8px 13px}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(36px,5vw,62px);line-height:1.17;letter-spacing:.005em;margin:20px 0 18px;color:var(--primary)}
.hero-lead{font-size:18px;color:#354946;margin:0 0 24px;max-width:690px}
.hero-image{border-radius:32px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.hero-image img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 19px;font-weight:800;border:1px solid var(--primary);transition:.18s ease}
.button.primary{background:var(--primary);color:#fff;box-shadow:0 16px 30px rgba(18,63,59,.22)}
.button.secondary{background:rgba(255,250,242,.8);color:var(--primary)}
.button:hover{transform:translateY(-1px)}
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:22px}
.stat{background:rgba(255,250,242,.82);border:1px solid var(--line);border-radius:18px;padding:16px}
.stat b{display:block;font-size:26px;line-height:1.25;color:var(--primary)}
.stat span{display:block;color:var(--muted);font-size:12px;font-weight:700;line-height:1.6}
.section{padding:64px 0}
.section.alt{background:rgba(255,250,242,.46);border-block:1px solid rgba(229,218,203,.75)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-title{max-width:760px}
.section-title h2{font-size:clamp(28px,3.3vw,42px);line-height:1.3;color:var(--primary);margin:0 0 10px}
.section-title p{margin:0;color:var(--muted)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:rgba(255,250,242,.9);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 8px 22px rgba(22,47,43,.06)}
.card h3{font-size:20px;line-height:1.45;margin:0 0 8px;color:var(--primary)}
.card p{margin:0;color:#40534f}
.tag{display:inline-flex;margin-bottom:12px;border-radius:999px;background:var(--sky);color:var(--primary);font-size:12px;font-weight:800;padding:5px 10px}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{background:#fffaf2;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 8px 22px rgba(22,47,43,.06);display:flex;flex-direction:column}
.article-thumb{aspect-ratio:4/3;overflow:hidden;background:#e5dccf}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.3s ease}
.article-card:hover .article-thumb img{transform:scale(1.035)}
.article-card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.article-card-body span{color:var(--accent);font-size:12px;font-weight:900}
.article-card h3{font-size:19px;line-height:1.5;color:var(--primary);margin:0}
.article-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.card-link{display:inline-flex;margin-top:auto;color:var(--primary);font-weight:900;border-bottom:1px solid var(--accent);align-self:flex-start}
.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;background:linear-gradient(135deg,#123f3b,#1f5b55);color:#fff;border-radius:32px;padding:32px;overflow:hidden}
.feature h2{margin:0 0 14px;font-size:34px;line-height:1.36;color:#fff}
.feature p{color:#e3f0ee;margin:0 0 18px}
.feature-list{display:grid;gap:10px}
.feature-list div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:13px 15px}
.feature-image{border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.18)}
.feature-image img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cta{background:linear-gradient(135deg,#fff8ec,#e6f0ef);border:1px solid var(--line);border-radius:30px;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta h2{font-size:30px;line-height:1.35;margin:0 0 8px;color:var(--primary)}
.cta p{margin:0;color:var(--muted)}
.breadcrumb{font-size:13px;color:var(--muted);margin:26px 0 0}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.article-hero{padding:44px 0 32px}
.article-header{display:grid;grid-template-columns:1fr .62fr;gap:34px;align-items:center}
.article-header h1{font-size:clamp(32px,4.4vw,52px)}
.article-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;font-weight:700}
.article-cover{border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.article-cover img{width:100%;aspect-ratio:4/3;object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:48px;align-items:start}
.article-main{background:rgba(255,250,242,.92);border:1px solid var(--line);border-radius:30px;padding:38px;box-shadow:0 8px 22px rgba(22,47,43,.06)}
.article-main p{margin:0 0 19px}
.article-main h2{font-size:28px;line-height:1.45;color:var(--primary);margin:46px 0 15px;border-top:1px solid var(--line);padding-top:30px}
.article-main h2:first-child{margin-top:0;border-top:0;padding-top:0}
.article-main h3{font-size:21px;color:var(--primary);margin:30px 0 10px}
.article-main ul,.article-main ol{padding-left:1.35em;margin:20px 0}
.article-main li{margin:8px 0}
.note{
  position:relative;
  margin:30px 0;
  padding:18px 0 18px 24px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:transparent;
  color:#334844;
}
.note::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  bottom:20px;
  width:2px;
  background:var(--accent);
}
.note::after{
  content:"確認メモ";
  display:block;
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
}
.source-box{background:#edf5f4;border:1px solid #d3e3e1;border-radius:18px;padding:17px;font-size:13px;color:#425652;margin-top:32px}
.article-inline-photo{margin:28px 0 30px}
.article-inline-photo img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;border:1px solid var(--line);box-shadow:0 10px 24px rgba(22,47,43,.08)}
.article-inline-photo figcaption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--muted)}

.source-box a{text-decoration:underline;text-underline-offset:3px}
.sidebar{position:sticky;top:96px;display:grid;gap:16px}
.side-box{background:rgba(255,250,242,.85);border:1px solid var(--line);border-radius:22px;padding:20px}
.side-box h3{margin:0 0 12px;color:var(--primary)}
.side-box ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.side-box a{color:var(--primary);font-weight:800}
.checklist-panel{background:#fffdf8;border:1px solid var(--line);border-radius:22px;padding:20px;margin:24px 0}
.checklist-panel label{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed #e2d6c6}
.checklist-panel label:last-child{border-bottom:0}
.checklist-panel input{width:20px;height:20px;accent-color:var(--primary);margin-top:5px}
.site-footer{background:#102f2c;color:#d9e7e5;margin-top:64px;padding:44px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
.site-footer h2,.site-footer h3{color:#fff;margin-top:0}
.site-footer a{color:#d9e7e5}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:22px;color:#a7bbb8;font-size:12px}
@media (max-width:960px){
  .menu-button{display:block}
  .nav{position:absolute;inset:74px 20px auto 20px;background:#fffdf8;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:16px;display:none;flex-direction:column;align-items:stretch}
  .nav.is-open{display:flex}
  .hero-grid,.feature,.article-header,.article-layout{grid-template-columns:1fr}
  .stats-strip,.grid-2,.grid-3,.article-list,.footer-grid{grid-template-columns:1fr}
  .section-head,.cta{display:block}
  .cta .button{margin-top:18px}
  .sidebar{position:static}
}
@media (max-width:560px){
  .container{width:min(100% - 28px,var(--max))}
  .header-inner{height:68px}
  .nav{inset:68px 14px auto 14px}
  h1{font-size:34px}
  .hero{padding-top:42px}
  .hero-actions{display:grid}
  .button{width:100%}
  .article-main{padding:24px;border-radius:22px}
}

/* 170. 運営者情報・FAQ */
.info-table{display:grid;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fffdf8;margin:22px 0}
.info-table div{display:grid;grid-template-columns:150px 1fr;border-top:1px solid var(--line)}
.info-table div:first-child{border-top:0}
.info-table dt{font-weight:800;color:var(--primary);background:#f2eadc;padding:12px 14px}
.info-table dd{margin:0;padding:12px 14px}
.faq-block details{border:1px solid var(--line);border-radius:16px;background:#fffdf8;margin:12px 0;padding:14px 16px}
.faq-block summary{cursor:pointer;font-weight:800;color:var(--primary)}
.faq-block details p{margin:10px 0 0}
@media (max-width:560px){.info-table div{grid-template-columns:1fr}.info-table dt{border-bottom:1px solid var(--line)}}



/* 180. トップページ：メディア型ヒーロー
   LP風の大きな重ねカードと色違いボタンを使わず、見出し・写真・導線を分ける。 */
.hero-magazine{
  padding:56px 0 58px;
}
.hero-magazine-wrap{
  display:grid;
  gap:26px;
}
.hero-magazine-kicker{
  width:max-content;
  max-width:100%;
  color:var(--primary);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  border-left:4px solid var(--accent);
  padding-left:12px;
}
.hero-magazine-head{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(320px,.72fr);
  gap:54px;
  align-items:end;
}
.hero-magazine-head h1{
  margin:0;
  font-size:clamp(42px,6vw,78px);
  line-height:1.12;
  letter-spacing:.01em;
}
.hero-magazine-head .hero-lead{
  margin:0 0 8px;
  max-width:620px;
  font-size:17px;
}
.hero-magazine-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px 28px;
  padding-top:2px;
}
.hero-magazine-links a{
  display:inline-flex;
  align-items:center;
  color:var(--primary);
  font-size:15px;
  font-weight:900;
  line-height:1.5;
  border-bottom:1px solid var(--primary);
  padding-bottom:3px;
}
.hero-magazine-links a::after{
  content:"";
  width:7px;
  height:7px;
  margin-left:9px;
  border-top:2px solid currentColor;
  border-right:2px solid currentColor;
  transform:rotate(45deg);
}
.hero-magazine-photo{
  margin:8px 0 0;
  border-radius:30px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#fff;
}
.hero-magazine-photo img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
  object-position:center;
}
.hero-topic-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(255,250,242,.46);
}
.hero-topic-strip div{
  padding:18px 22px;
  border-left:1px solid var(--line);
}
.hero-topic-strip div:first-child{
  border-left:0;
}
.hero-topic-strip span{
  display:block;
  color:var(--accent);
  font-size:11px;
  font-weight:900;
  letter-spacing:.12em;
  line-height:1.3;
  margin-bottom:6px;
}
.hero-topic-strip strong{
  display:block;
  color:var(--primary);
  font-size:27px;
  line-height:1.25;
  margin-bottom:4px;
}
.hero-topic-strip p{
  margin:0;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
  line-height:1.65;
}
@media (max-width:960px){
  .hero-magazine{
    padding:40px 0 48px;
  }
  .hero-magazine-head{
    grid-template-columns:1fr;
    gap:18px;
  }
  .hero-magazine-photo img{
    aspect-ratio:16/9;
  }
  .hero-topic-strip{
    grid-template-columns:1fr;
  }
  .hero-topic-strip div{
    border-left:0;
    border-top:1px solid var(--line);
  }
  .hero-topic-strip div:first-child{
    border-top:0;
  }
}
@media (max-width:560px){
  .hero-magazine{
    padding:32px 0 42px;
  }
  .hero-magazine-head h1{
    font-size:36px;
  }
  .hero-magazine-photo{
    border-radius:22px;
  }
  .hero-magazine-links{
    gap:14px 22px;
  }
}