:root{--dark:#1d1e20;--navy:#033c6c;--red:#bd0000;--yellow:#ffde59;--ink:#1d1e20;--muted:#5b6170;--line:#e4e7ec;--soft:#f5f8fb;--wrap:1224px;
--fh:'Montserrat',system-ui,sans-serif;--fb:'Noto Sans JP',system-ui,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--fb);font-size:16px;line-height:1.65;color:var(--ink);background:#fff}
img{max-width:100%;height:auto;display:block}a{color:var(--navy)}a:hover{color:var(--red)}
h1,h2,h3,h4,h5,h6{font-family:var(--fh);line-height:1.25;margin:0 0 .5em;color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.narrow{max-width:780px}.center{text-align:center}
.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;padding:8px}
/* header */
.site-header{background:var(--dark);position:sticky;top:0;z-index:50}
.hdr{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--fh);font-weight:700;font-size:18px}
.logo img{width:49px;height:49px;border-radius:6px}.logo:hover{color:#fff}
.menu{list-style:none;margin:0;padding:0;display:flex;gap:30px;align-items:center}
.menu a{color:#f1f1f1;text-decoration:none;font-size:16px}.menu a:hover{color:#fff;text-decoration:underline;text-underline-offset:6px}
.has-sub{position:relative}.sub-toggle{display:none}
.sub{list-style:none;margin:0;padding:10px 0;position:absolute;top:100%;left:-16px;min-width:220px;background:#fff;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s}
.sub a{display:block;color:var(--ink);padding:8px 18px}.sub a:hover{color:var(--red);background:var(--soft);text-decoration:none}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}.burger span{display:block;width:26px;height:2px;background:#fff;margin:6px 0}
@media (max-width:960px){
 .burger{display:block}.site-header nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--dark);padding:8px 20px 20px}
 .site-header.open nav{display:block}.menu{flex-direction:column;align-items:stretch;gap:0}
 .menu>li{border-bottom:1px solid rgba(255,255,255,.08)}.menu a{display:block;padding:12px 0}
 .has-sub{display:flex;flex-wrap:wrap;align-items:center}.has-sub>a{flex:1}
 .sub-toggle{display:block;background:none;border:0;color:#fff;font-size:18px;padding:8px 12px;cursor:pointer}
 .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;display:none;width:100%;padding:0 0 8px 14px}
 .has-sub.open .sub{display:block}.sub a{color:#ddd;padding:8px 0}.sub a:hover{background:none;color:#fff}
}
/* buttons */
.btn{display:inline-block;font-family:var(--fh);font-weight:600;font-size:16px;line-height:1.3;padding:14px 30px;border-radius:12px;text-decoration:none;
 background:var(--b,var(--yellow));color:var(--c,var(--dark));transition:background .2s,color .2s;text-align:center}
.btn:hover{background:var(--red);color:#fff}
.btn-alt{background:#fff;color:var(--navy);box-shadow:inset 0 0 0 2px var(--navy)}.btn-alt:hover{background:var(--navy);color:#fff}
.btn-row{margin:1.4em 0}
/* page blocks: original desktop grid, mobile stack */
.block{background:var(--bg,transparent);padding:56px 0;position:relative}
.block.has-bg{background:linear-gradient(rgba(0,0,0,var(--ov)),rgba(0,0,0,var(--ov))),var(--bgimg) center/cover no-repeat;color:#fff;padding:96px 0}
.grid{display:flex;flex-direction:column;gap:18px}
.tb>*:last-child{margin-bottom:0}.tb h1{font-size:var(--fm,34px)}.tb h2{font-size:var(--fm,28px)}.tb h3{font-size:var(--fm,24px)}.tb h4{font-size:var(--fm,21px)}.tb h5{font-size:var(--fm,19px)}.tb h6{font-size:var(--fm,17px)}
.tb p{margin:0 0 .8em;font-size:var(--fm,inherit)}.tb ul,.tb ol{padding-left:1.3em;margin:0 0 .8em}
.im img{border-radius:10px;width:100%;object-fit:cover}
.ge-button,.ge-socialicons{align-self:start}
@media (min-width:961px){
 .grid{display:grid;grid-template-columns:var(--cols,repeat(12,1fr));grid-template-rows:var(--rows,auto);column-gap:24px;row-gap:16px}
 .grid>.ge{min-width:0}
 .tb h1{font-size:var(--fd,52px)}.tb h2{font-size:var(--fd,40px)}.tb h3{font-size:var(--fd,32px)}.tb h4{font-size:var(--fd,26px)}.tb h5{font-size:var(--fd,22px)}.tb h6{font-size:var(--fd,18px)}
 .tb p{font-size:var(--fd,inherit)}
 .im{height:100%}.im img{height:100%}
}
.embed{width:100%}.video{position:relative;aspect-ratio:16/9;width:100%;margin:1.2em 0}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:10px}
.socials{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.social{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--navy);align-items:center;justify-content:center}
.social svg{width:20px;height:20px;fill:#fff}.social:hover{background:var(--red)}
.cta-box{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:24px;margin:1.5em 0}.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* posts */
.post-head{background:var(--soft);padding:48px 0 32px;border-bottom:1px solid var(--line)}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px}.crumbs a{color:var(--muted)}
.cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.cat{font-family:var(--fh);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--navy);color:#fff;padding:4px 10px;border-radius:999px}
.post-head h1{font-size:clamp(30px,4.2vw,46px);color:var(--navy)}.post-meta{color:var(--muted);margin:0}
.post-body{padding-top:36px;padding-bottom:64px;font-size:17.5px}
.post-body h2{font-size:clamp(24px,3vw,30px);margin-top:1.6em;color:var(--navy)}.post-body h3{font-size:clamp(20px,2.4vw,24px);margin-top:1.4em}.post-body h4,.post-body h5,.post-body h6{font-size:19px;margin-top:1.2em}
.post-body p{margin:0 0 1em}.post-body img{border-radius:10px;margin:1.6em auto}.post-body ul,.post-body ol{padding-left:1.4em;margin:0 0 1.1em}.post-body li{margin:.3em 0}
.post-body table{border-collapse:collapse;width:100%;margin:1.5em 0;font-size:15px;display:block;overflow-x:auto}.post-body th,.post-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.post-body th{background:var(--soft)}
.post-body blockquote{border-left:4px solid var(--yellow);margin:1.4em 0;padding:.4em 1.2em;color:#333;background:#fffbea}
.related{background:var(--soft);border-radius:14px;padding:22px 26px;margin:2.4em 0}.related p{margin:.4em 0}
.author-box{display:grid;grid-template-columns:96px 1fr;gap:6px 20px;align-items:start;border-top:1px solid var(--line);padding-top:28px;margin-top:2.4em}
.author-box img{width:96px;height:96px;border-radius:50%;object-fit:cover;margin:0;grid-row:span 3}.author-box h5{margin:0;font-size:18px}.author-box p{margin:0}
.author-box>*:not(img){grid-column:2}
/* blog list */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.chip{font:600 14px var(--fh);border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:999px;cursor:pointer}
.chip.active,.chip:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}
.card{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 12px 30px rgba(3,60,108,.12);transform:translateY(-2px);color:var(--ink)}
.card-img{aspect-ratio:1.9;background:var(--soft);overflow:hidden}.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}.card-cats{font:700 12px var(--fh);letter-spacing:.05em;text-transform:uppercase;color:var(--red);margin:0 0 6px}
.card h3{font-size:19px;margin:0 0 8px;color:var(--navy)}.card-desc{color:var(--muted);font-size:15px;margin:0 0 12px;flex:1}.card-meta{font-size:13px;color:var(--muted);margin:0}
.card-wrap.hide{display:none}
/* footer */
.site-footer{background:var(--dark);color:#cfd3da;padding:64px 0 28px;margin-top:0;font-family:'Manrope',var(--fb)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.25fr;gap:32px}
.site-footer h3{font-family:'Manrope',var(--fh);font-size:15px;line-height:36px;margin:0 0 10px;letter-spacing:0}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{color:var(--yellow)}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:6px 0}.f-tag{font-weight:700;color:#fff;font-size:16px;margin:0 0 6px}
.f-logo{display:flex;align-items:center;gap:10px;height:36px;margin-bottom:10px;font-weight:800;font-size:17px}
.f-logo img{width:36px;height:36px;border-radius:6px}
.f-brand p{margin:0 0 8px;line-height:1.6}
.footer-grid>div{min-width:0}
.site-footer li{margin:0 0 8px}.site-footer li:last-child{margin:0}
.site-header .menu a,.logo{font-family:'Manrope',var(--fb)}
.copy{position:relative;margin-top:40px;padding-top:20px;font-size:14px}
.copy::before{content:"";position:absolute;top:0;left:20px;right:20px;border-top:1px solid rgba(255,255,255,.12)}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}.f-brand{grid-column:1/-1}}
.wa-bubble{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:60}
.wa-bubble svg{width:30px;height:30px;fill:#fff}
.socials.col{flex-direction:column;align-items:flex-start;gap:30px}

/* footer contact actions */
.f-contact{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.f-contact h3{margin-bottom:0}
.f-cta{display:flex;align-items:center;justify-content:center;gap:8px;font:700 14px/1.2 'Manrope',var(--fb);padding:12px 16px;border-radius:10px;text-decoration:none;color:#fff!important;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.25);transition:background .2s,box-shadow .2s,color .2s}
.f-cta svg{width:18px;height:18px;fill:currentColor;flex:none}
.f-cta:hover{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6);color:#fff}
.f-cta-main{background:var(--yellow);color:var(--dark)!important;box-shadow:none}
.f-cta-main:hover{background:var(--red);color:#fff!important;box-shadow:none}
.f-follow{margin-top:4px;gap:10px}
.f-follow .social{width:36px;height:36px;background:rgba(255,255,255,.1)}.f-follow .social svg{width:18px;height:18px}.f-follow .social:hover{background:var(--red)}
@media (max-width:860px){.f-contact{grid-column:1/-1;max-width:360px}}

/* mobile: icons keep icon size instead of stretching full width; tighter blocks */
.im-icon img{object-fit:contain;border-radius:0}
@media (max-width:960px){
 .im-icon{max-width:120px}
 .block{padding:44px 0}.block.has-bg{padding:64px 0}
 .ge-button .btn,.bt .btn{max-width:100%}
}
@media (max-width:600px){
 .wa-bubble{width:48px;height:48px;right:14px;bottom:14px}.wa-bubble svg{width:26px;height:26px}
 .tb h1{font-size:min(var(--fm,30px),34px)}.tb h2{font-size:min(var(--fm,26px),28px)}
 .post-body{font-size:17px}
 .cards{grid-template-columns:1fr}
}