:root{
  --green:#1F4D3A;
  --green-2:#0F3D2F;
  --gold:#C6A85C;
  --beige:#F5F3E7;
  --yellow:#D6E300;
  --navy:#243A5E;
  --ink:#17352D;
  --text:#21342F;
  --muted:#6B7A75;
  --line:#E4E2D8;
  --white:#FFFFFF;
  --shadow:0 14px 36px rgba(24,45,40,.08);
  --radius:6px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","Zen Kaku Gothic New",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:#fff;
  letter-spacing:.02em;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.page{overflow-x:clip;overflow-y:visible;background:linear-gradient(90deg,#fff 0%,#fff 55%,#fbfaf4 100%)}
.container{width:min(var(--max),calc(100% - 64px));margin:0 auto}

/* Header */
.header,
.site-header{
  position:relative;
  z-index:10;
  height:78px;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(228,226,216,.55);
}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{min-width:178px;line-height:1}
.brand-main{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.04em;
  color:#213837;
}
.brand-sub{
  margin-top:9px;
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:11px;
  font-weight:700;
  color:#56645f;
  letter-spacing:.08em;
}
.nav{display:flex;align-items:center;gap:40px;margin-left:auto;font-size:13px;font-weight:800;color:#2F3D3A;white-space:nowrap}
.nav a.active{color:var(--green)}
.header-actions{display:flex;align-items:center;gap:12px;white-space:nowrap}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:52px;
  padding:0 26px;
  border-radius:3px;
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  border:1px solid transparent;
  transition:.22s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,77,58,.14)}
.btn-green{background:var(--green);color:#fff}
.btn-white{background:#fff;color:#2A3835;border-color:#C9CEC7}
.btn-gold{background:var(--gold);color:#fff}
.btn-yellow{background:var(--yellow);color:#203326;box-shadow:0 10px 26px rgba(214,227,0,.2)}
.btn-darkline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.arrow{font-size:19px;line-height:1;transform:translateY(-1px)}

/* Hero */
.hero{position:relative;min-height:626px;background:linear-gradient(105deg,#fff 0%,#fff 53%,#faf8ee 100%)}
.hero .container{position:relative;display:grid;grid-template-columns:48% 52%;min-height:626px;align-items:center}
.hero-copy{padding-top:10px;position:relative;z-index:2;min-width:0}
.headline{
  margin:0;
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:clamp(36px,5.6vw,64px);
  line-height:1.31;
  letter-spacing:.02em;
  font-weight:900;
  color:#1D3A35;
}
.headline span{color:var(--gold)}
.subheadline{
  margin:40px 0 0;
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:clamp(20px,2.4vw,29px);
  line-height:1.72;
  font-weight:900;
  color:#213A35;
  letter-spacing:.03em;
}
.hero-text{
  margin:33px 0 0;
  max-width:560px;
  font-size:15px;
  line-height:2.15;
  color:#53635E;
  font-weight:600;
}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:42px}
.hero-art{display:block;width:80%;height:auto;object-fit:contain;align-self:center;justify-self:center;opacity:.95}
.art-fade{position:absolute;inset:auto -160px -20px auto;width:640px;height:240px;background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.86));z-index:0}

/* Blog Pickup */
.blog-pickup{padding:56px 0 62px;background:#fff;border-top:1px solid rgba(228,226,216,.55)}
.blog-pickup-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.blog-pickup-head .eyebrow{text-align:left;margin-bottom:12px}
.blog-pickup-title{margin:0;font-family:"Zen Kaku Gothic New",sans-serif;font-size:26px;font-weight:900;color:var(--green)}
.blog-pickup-more{min-height:44px;padding:0 20px;font-size:13px;white-space:nowrap}
.blog-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.blog-card{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 8px 22px rgba(24,45,40,.055);display:flex;flex-direction:column;transition:.22s ease}
.blog-card:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(24,45,40,.10)}
.blog-card>a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit}
.blog-card img{width:100%;height:150px;object-fit:cover;flex-shrink:0}
.blog-card-body{padding:14px 16px 18px;flex:1;display:flex;flex-direction:column}
.blog-tag{display:inline-block;padding:4px 9px;font-size:11px;font-weight:800;letter-spacing:.06em;background:var(--gold);border-radius:999px;color:#fff;margin-bottom:9px;align-self:flex-start}
.blog-card-body h3{margin:0 0 6px;font-size:14px;line-height:1.55;color:#203B36;font-weight:800}
.blog-meta{font-size:12px;color:var(--muted);font-weight:700;margin-bottom:7px}
.blog-card-body p{margin:0;font-size:12px;line-height:1.75;color:#5B6864;font-weight:600}

/* Problem */
.section{background:#fff}
.problem{padding:48px 0 54px;border-top:1px solid rgba(228,226,216,.55);border-bottom:1px solid rgba(228,226,216,.7)}
.section-title{
  margin:0;
  text-align:center;
  font-family:"Zen Kaku Gothic New",sans-serif;
  font-size:25px;
  font-weight:900;
  letter-spacing:.06em;
  color:#203B36;
}
.title-line{width:32px;height:2px;background:linear-gradient(90deg,var(--green) 0 46%,var(--gold) 46% 100%);margin:16px auto 0;border-radius:20px}
.problem-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:17px;margin-top:29px}
.problem-card{
  min-height:186px;
  border:1px solid #E4E4DD;
  background:#fff;
  box-shadow:0 10px 22px rgba(20,48,42,.045);
  border-radius:4px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:24px 18px 20px;
}
.problem-card svg{width:50px;height:50px;margin-bottom:22px;color:var(--green)}
.problem-card:nth-child(1) svg{color:var(--gold)}
.problem-card p{margin:0;text-align:center;font-family:"Zen Kaku Gothic New",sans-serif;font-size:14px;line-height:1.85;font-weight:700;color:#495853}

/* Concept */
.concept{position:relative;padding:74px 0 86px;background:linear-gradient(90deg,#fff 0%,#fff 50%,#fbfaf4 100%);overflow:hidden}
.concept::before,.concept::after{content:"";position:absolute;border:1px solid rgba(198,168,92,.22);border-radius:50%;pointer-events:none}
.concept::before{width:min(1080px,calc(100% - 32px));height:140px;left:50%;top:74px;transform:translateX(-50%) rotate(-3deg)}
.concept::after{width:min(980px,calc(100% - 48px));height:96px;left:50%;top:92px;transform:translateX(-50%) rotate(4deg)}
.eyebrow{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.28em;text-transform:uppercase;text-align:center;margin-bottom:20px}
.concept h2{margin:0;text-align:center;font-family:"Zen Kaku Gothic New",sans-serif;font-size:34px;line-height:1.42;font-weight:900;color:var(--green)}
.concept p{margin:24px auto 0;width:650px;max-width:100%;text-align:center;font-size:15px;line-height:2.2;color:#5B6864;font-weight:600}

/* Steps */
.steps{padding:50px 0 64px;background:linear-gradient(105deg,var(--green) 0%,var(--green-2) 100%);border-top:1px solid rgba(31,77,58,.12)}
.steps h2{margin:0;text-align:center;font-family:"Zen Kaku Gothic New",sans-serif;font-size:31px;font-weight:900;color:#fff}
.steps .title-line{background:linear-gradient(90deg,#fff 0 46%,var(--gold) 46% 100%)}
.step-flow{display:grid;grid-template-columns:1fr 34px 1fr 34px 1fr;gap:24px;align-items:center;margin-top:48px}
.step-item{display:grid;grid-template-columns:90px 1fr;gap:23px;align-items:center}
.step-icon{width:90px;height:90px;border:1px solid #E1E4DE;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 12px 30px rgba(24,45,40,.055)}
.step-icon svg{width:44px;height:44px;color:var(--green)}
.step-num{font-size:28px;font-weight:800;color:var(--gold);letter-spacing:.04em;margin-bottom:7px}
.step-title{font-family:"Zen Kaku Gothic New",sans-serif;font-size:17px;font-weight:900;color:#fff;margin-bottom:10px}
.step-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.78);font-weight:600}
.chev{color:rgba(255,255,255,.72);font-size:54px;font-weight:200;text-align:center;line-height:1;opacity:.8}

/* Ecosystem */
.ecosystem{
  padding:56px 0 64px;
  background:#fff;
  border-top:1px solid rgba(228,226,216,.65);
}
.ecosystem h2{margin:0;text-align:center;font-family:"Zen Kaku Gothic New",sans-serif;font-size:30px;font-weight:900;color:#263B36}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.tool-card{min-height:190px;border:1px solid #E3E3DC;border-radius:5px;background:#fff;box-shadow:0 12px 28px rgba(20,48,42,.05);padding:28px 25px 22px;display:flex;flex-direction:column;justify-content:space-between}
.tool-head{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.tool-head svg{width:38px;height:38px;color:var(--green)}
.tool-name{font-size:27px;font-weight:800;color:#1F4D3A;letter-spacing:.01em}
.tool-card:nth-child(2) .tool-name,.tool-card:nth-child(3) .tool-name,.tool-card:nth-child(4) .tool-name{font-size:25px;color:#2E3B38}
.tool-card p{margin:0;font-size:13px;line-height:1.85;color:#687470;font-weight:600}
.more{margin-top:18px;font-size:14px;font-weight:800;color:#2D403B;display:flex;gap:10px;align-items:center}

/* Trust */
.trust{position:relative;background:linear-gradient(105deg,#183556 0%,#1D3B5C 56%,#203D5D 100%);color:#fff;overflow:hidden}
.trust::after{content:"";position:absolute;right:0;bottom:0;width:320px;height:220px;background:linear-gradient(90deg,rgba(36,58,94,.65),rgba(36,58,94,.15)),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="340" height="220" viewBox="0 0 340 220"><g fill="none" stroke="%23ffffff" stroke-opacity="0.20"><path d="M90 205V78h160v127"/><path d="M110 205V100h20v105M155 205V100h20v105M200 205V100h20v105"/><path d="M70 78h200L170 25 70 78Z"/><path d="M95 78V65h150v13"/><path d="M55 205h230"/></g></svg>') bottom right/320px 220px no-repeat;opacity:.85}
.trust-inner{position:relative;z-index:1;display:grid;grid-template-columns:32% 1fr;gap:70px;align-items:center;min-height:250px;padding:45px 0}
.trust .eyebrow{text-align:left;margin-bottom:16px;color:var(--gold)}
.trust h2{margin:0;font-family:"Zen Kaku Gothic New",sans-serif;font-size:32px;line-height:1.5;font-weight:900;letter-spacing:.04em}
.trust p{margin:18px 0 25px;font-size:13px;line-height:2;color:rgba(255,255,255,.82);font-weight:600}
.trust-logos{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;align-items:center;padding-right:100px}
.gov-logo{min-height:116px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;color:#fff}
.gov-mark{display:flex;align-items:center;gap:14px;font-size:30px;font-weight:900;font-family:"Zen Kaku Gothic New",sans-serif;letter-spacing:.02em}
.gov-mark svg{width:44px;height:44px;color:#fff}
.gov-logo p{margin:18px 0 0;font-size:14px;line-height:1.75;color:#fff;font-weight:800}

/* Vision */
.vision{padding:58px 0 66px;background:linear-gradient(90deg,#fff 0%,#fff 52%,#fbfaf4 100%)}
/* PC: 左に見出し＋本文＋ボタン、右にカード（ボタンは本文直下）。タブレット以下はエリア順でカードの下にボタン */
.vision-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  grid-template-rows:auto auto;
  grid-template-areas:
    "intro cards"
    "cta cards";
  gap:28px 40px;
  align-items:start;
}
.vision-text-col{grid-area:intro;min-width:0}
.vision-cards{grid-area:cards;align-self:center;min-width:0}
.vision-cta{grid-area:cta;justify-self:start}
.vision .eyebrow{text-align:left;margin-bottom:15px}
.vision h2{margin:0;font-family:"Zen Kaku Gothic New",sans-serif;font-size:28px;line-height:1.62;font-weight:900;color:#203D38}
.vision p{margin:18px 0 0;font-size:14px;line-height:2;color:#65716D;font-weight:600;max-width:470px}
.vision-inner > *{min-width:0}
.vision-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vision-card{height:166px;background:#fff;border:1px solid #E3E3DC;border-radius:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(20,48,42,.05);position:relative;overflow:hidden}
.vision-card::before{content:"✦";position:absolute;left:20px;top:18px;color:#D9D5C5;font-size:16px}
.vision-card svg{width:48px;height:48px;color:#243A5E;margin-bottom:20px}
.vision-card b{font-family:"Zen Kaku Gothic New",sans-serif;font-size:15px;line-height:1.6;text-align:center;color:#2C3C38}

/* CTA */
.cta{background:linear-gradient(105deg,var(--green) 0%,#0F3D2F 100%);color:#fff}
.cta-inner{min-height:130px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta h2{margin:0;font-family:"Zen Kaku Gothic New",sans-serif;font-size:31px;font-weight:900;letter-spacing:.03em}
.cta p{margin:14px 0 0;font-size:14px;color:rgba(255,255,255,.8);font-weight:600}
.cta-actions{display:flex;gap:18px;align-items:center}

/* Footer */
.footer{height:88px;background:#fff;border-top:1px solid #E5E4DC}
.footer-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.footer .brand-main{font-size:28px}
.footer-nav{display:flex;gap:36px;font-size:12px;font-weight:800;color:#51605B;white-space:nowrap}
.copyright{font-size:12px;color:#6C7874;font-weight:600;white-space:nowrap}

/* SVG line art */
.line-art text{font-family:"Inter",sans-serif}
.line-art .thin{stroke:#1F4D3A;stroke-width:1.2;fill:none;opacity:.63}
.line-art .gold{stroke:#C6A85C;stroke-width:1.1;fill:none;opacity:.72}
.line-art .faint{stroke:#C6A85C;stroke-width:.8;fill:none;opacity:.26}
.line-art .dot-g{fill:#1F4D3A}
.line-art .dot-y{fill:#C6A85C}
.line-art .dot-w{fill:#fff;stroke:#1F4D3A;stroke-width:1.2}
.sp-only{display:none}

@media (max-width:1024px){
  .container{width:min(var(--max),calc(100% - 40px))}
  .nav{display:none}
  .hero-text{display:none}
  .hero{
    min-height:auto;
    max-height:none;
    overflow:visible;
    padding-bottom:0;
    background:linear-gradient(105deg,#fff 0%,#fff 48%,#f5f3e7 100%);
  }
  .hero .container{
    grid-template-columns:1fr;
    min-height:auto;
    display:flex;
    flex-direction:column;
    justify-content:flex-start;
    align-items:stretch;
    padding-top:calc(clamp(12px,3vh,24px) + 30px);
    padding-bottom:clamp(24px,3vh,32px);
  }
  .hero-copy{
    display:contents;
    padding-top:0;
    padding-bottom:0;
  }
  .headline{order:1}
  .subheadline{order:2}
  .hero .container > picture{display:block;order:3;margin-top:clamp(37px,4vh,45px)}
  .hero-actions{order:4}
  .headline{font-size:34px;line-height:1.28}
  .subheadline{margin-top:24px;font-size:16px;line-height:1.5}
  .hero-art{
    position:static;
    width:72%;
    height:auto;
    max-width:100%;
    aspect-ratio:16 / 9;
    object-fit:cover;
    object-position:center top;
    opacity:1;
    margin:0 auto;
    display:block;
  }
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:30px}
  .hero-actions .btn{width:100%;min-height:44px;padding:0 14px;font-size:13px;white-space:normal;line-height:1.45;text-align:center;overflow-wrap:anywhere}
  .art-fade{display:none}
  .blog-pickup{padding-top:clamp(32px,4vh,38px)}
  .blog-cards{grid-template-columns:1fr 1fr}
  .problem{padding-top:15px}
  .problem-grid{grid-template-columns:repeat(3,1fr)}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .step-flow{grid-template-columns:1fr;gap:20px}.chev{transform:rotate(90deg);font-size:38px}
  .trust-inner,.cta-inner{grid-template-columns:1fr}
  .vision-inner{
    grid-template-columns:1fr;
    grid-template-rows:auto;
    grid-template-areas:
      "intro"
      "cards"
      "cta";
  }
  .vision-cards{align-self:stretch}
  .trust-logos{grid-template-columns:1fr;padding-right:0}.cta-actions{flex-wrap:wrap}
  .footer{height:auto}.footer-inner{height:auto;padding:26px 0;align-items:flex-start;flex-direction:column}.footer-nav{flex-wrap:wrap;gap:18px 26px}
}
@media (max-width:768px){
  .header-actions .btn-green{display:none}
  .blog-cards{grid-template-columns:1fr}
  /* スマホ: タグ・タイトル・日付のみ（要約は記事ページへ） */
  .blog-card-body p{display:none}
  .blog-card-body .blog-meta{margin-bottom:0}
  .blog-pickup-head{flex-direction:column;align-items:flex-start;gap:16px}
  .blog-pickup-more{width:100%;text-align:center}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .trust-logos{grid-template-columns:1fr 1fr;gap:18px 22px;padding-right:0}
  .trust-logos .gov-logo:nth-child(1){grid-column:1;grid-row:1}
  .trust-logos .gov-logo:nth-child(2){grid-column:1;grid-row:2}
  .trust-logos .gov-logo:nth-child(3){grid-column:2;grid-row:1 / span 2;align-self:center}
  .vision .btn{width:100%;max-width:100%;white-space:normal;padding:0 18px;font-size:13px;line-height:1.45;gap:8px;overflow-wrap:anywhere}
  .cta-inner{min-height:auto;padding:36px 0 44px}
  .cta-actions .btn{width:100%}
  .sp-only{display:inline}
  .trust::after{display:none}
}
@media (max-width:680px){
  .header-actions .btn-gold{display:none}.header{height:70px}.header-inner{height:70px}.brand-main{font-size:24px}.brand-sub{font-size:10px}
  .problem-grid,.tool-grid,.vision-cards{grid-template-columns:1fr}.problem-card{min-height:150px}
  .concept h2,.steps h2,.trust h2,.cta h2{font-size:25px}
  .step-item{grid-template-columns:72px 1fr}.step-icon{width:72px;height:72px}.step-icon svg{width:34px;height:34px}
}
@media (max-width:430px){
  .container{width:min(var(--max),calc(100% - 24px))}
  .brand-main{font-size:22px}
  .problem .section-title{white-space:nowrap;font-size:22px;letter-spacing:.03em}
}
@media (max-width:390px){
  .headline{font-size:31px;line-height:1.26}
  .subheadline{font-size:15px;line-height:1.48}
  .hero-art{width:65%}
  .hero-actions .btn{font-size:11.5px;padding:0 10px}
  .vision .btn{font-size:12px;padding:0 14px}
  .cta-inner{padding:32px 0 56px}
  .problem .section-title{font-size:20px}
}