:root{--bg:#eef6fc;--card:#fff;--navy:#23345f;--ink:#2d374b;--sub:#5a6478;--orange:#e8742a;--orange-pale:#fdeee2;--green:#48916a;--green-pale:#e3f2e8;--line:#dbe6f0;--blue-pale:#dceefa}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.85;font-size:16px;-webkit-text-size-adjust:100%}
a{color:var(--navy)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:900;font-size:20px;color:var(--navy);text-decoration:none;white-space:nowrap}
.logo small{display:block;font-size:11px;font-weight:700;color:var(--sub);line-height:1.2}
nav.gnav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
nav.gnav a{text-decoration:none;font-weight:700;font-size:14px;color:var(--navy)}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer;padding:4px 8px}
@media (max-width:760px){
 nav.gnav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
 nav.gnav.open{display:block}
 nav.gnav ul{flex-direction:column;gap:0;padding:8px 16px}
 nav.gnav li a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
 .menu-btn{display:block}
}
.hero{background:linear-gradient(180deg,#dceefa 0%,#eef6fc 100%);padding:36px 0 24px}
.hero .wrap{display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(26px,5vw,42px);line-height:1.35;color:var(--navy);margin:8px 0 12px;font-weight:900}
.hero .lead{font-size:17px;margin:0 0 18px}
.badge{display:inline-block;background:var(--navy);color:#fff;font-weight:700;font-size:13px;border-radius:999px;padding:4px 14px}
.badge.orange{background:var(--orange)}
.hero-img{justify-self:center;max-width:320px}
@media (max-width:760px){.hero .wrap{grid-template-columns:1fr}.hero-img{max-width:150px;order:-1}}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:900;border-radius:999px;padding:14px 26px;font-size:16px}
.btn.line{background:#06c755;color:#fff}
.btn.ghost{background:#fff;color:var(--navy);border:2px solid var(--navy)}
section{padding:44px 0}
section.alt{background:#fff}
h2.sec{font-size:clamp(22px,4vw,30px);color:var(--navy);text-align:center;margin:0 0 8px;font-weight:900}
p.sec-sub{text-align:center;color:var(--sub);margin:0 0 28px}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:18px;padding:22px;box-shadow:0 1px 0 var(--line)}
section.alt .card{background:var(--bg)}
.card h3{margin:0 0 6px;color:var(--navy);font-size:19px}
.num{font-size:clamp(24px,6vw,30px);font-weight:900;color:var(--orange);line-height:1.2}
.stat .label{font-weight:700;color:var(--sub);font-size:14px}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}
table.tbl th,table.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.tbl th{background:var(--blue-pale);color:var(--navy);white-space:nowrap;width:38%}
.note{font-size:14px;color:var(--sub)}
.box-orange{background:var(--orange-pale);border:2px solid var(--orange);border-radius:18px;padding:20px}
.box-orange h3{color:var(--orange);margin:0 0 8px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{background:#fff;border-radius:16px;padding:16px 16px 16px 64px;position:relative}
section.alt .steps li{background:var(--bg)}
.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:16px;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}
.steps b{color:var(--navy)}
details.faq{background:#fff;border-radius:14px;padding:14px 18px;margin-bottom:10px}
section.alt details.faq{background:var(--bg)}
details.faq summary{font-weight:700;color:var(--navy);cursor:pointer;list-style:none}
details.faq summary::before{content:"Q. ";color:var(--orange);font-weight:900}
details.faq p{margin:10px 0 0}
.voice{position:relative;padding-top:44px}
.voice:before{content:"“";position:absolute;top:-4px;left:18px;font-size:60px;line-height:1;color:#c9daf0;font-weight:900}
.voice p{font-weight:700;color:var(--navy);margin:0}
.voice .who{font-size:13px;color:var(--orange);text-align:right;margin-top:6px}
.cta{background:var(--navy);color:#fff;text-align:center;padding:40px 16px;border-radius:24px}
.cta h2{margin:0 0 8px;font-size:clamp(20px,4vw,28px)}
.cta p{margin:0 0 18px;color:#dbe6f5}
.crumbs{font-size:13px;color:var(--sub);padding:14px 0 0}
.crumbs a{color:var(--sub)}
article.post{background:#fff;border-radius:20px;padding:24px 20px;margin:12px 0 24px}
article.post h1{font-size:clamp(22px,4.5vw,32px);color:var(--navy);line-height:1.45;margin:6px 0 10px}
article.post h2{font-size:21px;color:var(--navy);border-left:6px solid var(--orange);padding-left:12px;margin:30px 0 10px}
article.post h3{font-size:18px;color:var(--navy);margin:20px 0 4px}
article.post ul{padding-left:1.3em}
.related{margin-top:24px}.related h2{border:0!important;padding:0!important;font-size:18px!important}
article.post li{margin:4px 0}
.meta{font-size:13px;color:var(--sub)}
.src{background:var(--bg);border-radius:12px;padding:14px 16px;font-size:14px;margin-top:24px}
.src ul{margin:6px 0 0;padding-left:1.2em}
.author{display:flex;gap:14px;align-items:center;background:var(--bg);border-radius:16px;padding:14px;margin-top:24px}
.author img{width:76px;height:76px;object-fit:contain;border-radius:50%;background:#fff}
.author p{margin:0;font-size:14px}
.post-list{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.post-list{grid-template-columns:1fr}}
section.alt .post-list a{background:var(--bg)}
.post-list a{display:block;background:#fff;box-shadow:0 1px 0 var(--line);border-radius:16px;padding:16px 18px;text-decoration:none}
.post-list .cat{font-size:12px;font-weight:700;color:#fff;background:var(--navy);border-radius:999px;padding:2px 10px}
.post-list .cat.c-mn{background:var(--orange)}.post-list .cat.c-sh{background:var(--green)}
.post-list h3{margin:8px 0 4px;font-size:17px;color:var(--navy);line-height:1.5}
.post-list p{margin:0;font-size:14px;color:var(--sub)}
footer.site{background:#fff;border-top:1px solid var(--line);padding:28px 0 90px;margin-top:40px;font-size:14px;color:var(--sub)}
footer.site ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px;margin:10px 0}
footer.site a{color:var(--sub)}
.floating{position:fixed;left:0;right:0;bottom:0;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:10px 16px;display:none;z-index:30}
.floating .btn{width:100%;padding:12px}
@media (max-width:760px){.floating{display:block}}
.mt0{margin-top:0}.center{text-align:center}