:root{
  --navy:#1f4e79;--navy-d:#163a5c;--orange:#f08a3c;--orange-l:#fff3e8;
  --cream:#fffaf3;--text:#2b2b2b;--muted:#6b6b6b;--line:#e8e2d8;--white:#fff;
  --green:#4f9a6a;--green-l:#eef7f1;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Meiryo",sans-serif;color:var(--text);background:var(--cream);line-height:1.9;font-size:16px}
a{color:var(--navy)}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

/* header */
header.site{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;flex-wrap:wrap}
.logo{font-weight:700;color:var(--navy);text-decoration:none;font-size:1.1rem;line-height:1.3}
.logo small{display:block;font-size:.7rem;color:var(--muted);font-weight:500}
nav.gnav{display:flex;gap:6px;flex-wrap:wrap}
nav.gnav a{text-decoration:none;font-size:.88rem;padding:6px 12px;border-radius:999px;color:var(--navy);font-weight:700}
nav.gnav a:hover,nav.gnav a.on{background:var(--navy);color:var(--white)}

/* hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#2f6aa0 100%);color:var(--white);padding:80px 0 72px;text-align:center;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:rgba(240,138,60,.25)}
.hero .kicker{display:inline-block;background:var(--orange);color:var(--white);font-size:.85rem;padding:4px 14px;border-radius:999px;margin-bottom:18px;font-weight:700}
.hero h1{font-size:clamp(1.6rem,4.5vw,2.6rem);line-height:1.5;margin-bottom:16px}
.hero p{max-width:640px;margin:0 auto;opacity:.95}
.hero.green{background:linear-gradient(135deg,#3d7f57 0%,#5aa877 100%)}

/* sections */
section{padding:64px 0}
section.alt{background:var(--white)}
.sec-title{text-align:center;margin-bottom:36px}
.sec-title .en{display:block;color:var(--orange);font-size:.85rem;letter-spacing:.15em;font-weight:700}
.sec-title h2{font-size:clamp(1.35rem,3.2vw,1.8rem);color:var(--navy)}
.lead{max-width:760px;margin:0 auto 12px;text-align:center}

.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px}
section.alt .card{background:var(--cream)}
.card h3{color:var(--navy);font-size:1.1rem;margin-bottom:8px}
.card .en{color:var(--orange);font-size:.75rem;letter-spacing:.12em;font-weight:700}
.card p{font-size:.95rem}

/* base cards (top page) */
.base-card{display:flex;flex-direction:column;text-decoration:none;color:var(--text);background:var(--white);border-radius:18px;overflow:hidden;border:1px solid var(--line);transition:transform .2s,box-shadow .2s}
.base-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(31,78,121,.12)}
.base-card .top{padding:22px 24px;color:var(--white);background:var(--navy)}
.base-card .top.green{background:var(--green)}
.base-card .top.gray{background:#8a8f99}
.base-card .tag{font-size:.78rem;background:rgba(255,255,255,.2);padding:2px 10px;border-radius:999px}
.base-card h3{font-size:1.35rem;margin-top:8px}
.base-card .body{padding:20px 24px;flex:1;font-size:.95rem}
.base-card .more{padding:0 24px 20px;color:var(--orange);font-weight:700;font-size:.9rem}

ul.check{list-style:none}
ul.check li{padding-left:1.6em;position:relative;margin-bottom:6px}
ul.check li::before{content:"✔";position:absolute;left:0;color:var(--orange);font-weight:700}

.message{display:grid;gap:28px;grid-template-columns:1fr}
.message .who{color:var(--navy);font-weight:700}
.message .who small{display:block;color:var(--muted);font-weight:500}
.message p+p{margin-top:12px}

table.info{width:100%;border-collapse:collapse;background:var(--white);border-radius:12px;overflow:hidden}
table.info th,table.info td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.95rem}
table.info th{width:32%;background:var(--orange-l);color:var(--navy);white-space:nowrap}

.timeline{max-width:560px;margin:0 auto;list-style:none;border-left:3px solid var(--orange);padding-left:20px}
.timeline li{margin-bottom:14px;position:relative}
.timeline li::before{content:"";position:absolute;left:-28px;top:9px;width:13px;height:13px;border-radius:50%;background:var(--white);border:3px solid var(--orange)}
.timeline b{color:var(--navy);display:inline-block;min-width:64px}

.example{background:var(--orange-l);border-radius:14px;padding:18px 20px}
.example h4{color:var(--navy);margin-bottom:4px}

.cta{background:var(--navy);color:var(--white);text-align:center;border-radius:20px;padding:40px 24px}
.cta h2{color:var(--white);font-size:1.4rem;margin-bottom:8px}
.btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:700;text-decoration:none;background:var(--orange);color:var(--white)}
.btn.ghost{background:transparent;border:2px solid var(--white)}
.note{font-size:.85rem;color:var(--muted)}

footer.site{background:var(--navy-d);color:#dfe8f2;padding:36px 0;font-size:.88rem}
footer.site a{color:#fff}
footer.site .cols{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
footer.site .copy{margin-top:24px;text-align:center;opacity:.7;font-size:.8rem}

@media (max-width:600px){
  .wrap{padding:0 16px}
  section{padding:48px 0}
  .hero{padding:56px 0 52px}
  nav.gnav a{padding:4px 10px;font-size:.82rem}
  table.info th{white-space:normal;width:38%}
}