:root{--blue:#1577d2;--blue-d:#0f5aa6;--navy:#16365c;--sky:#eaf4ff;--ink:#33414f;--gray:#67788a;--orange:#ff7a1a;--orange-d:#e85f00;--line:#06C755;--bg:#f6fbff;}
*{box-sizing:border-box;}html,body{margin:0;padding:0;}img{max-width:100%;}
body{font-family:'Zen Kaku Gothic New',sans-serif;color:var(--ink);background:#fff;line-height:1.9;-webkit-text-size-adjust:100%;}
a{color:var(--blue);}
.wrap{width:min(820px,100%);margin:0 auto;padding:0 18px;}
.wrap-wide{width:min(1000px,100%);margin:0 auto;padding:0 18px;}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid #e5eef7;}
.hd{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 16px;width:min(1100px,100%);margin:0 auto;}
.logo{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:var(--navy);font-size:clamp(16px,2.4vw,20px);text-decoration:none;display:flex;align-items:center;gap:8px;}
.hd-cta{display:flex;gap:8px;}
.btn{display:inline-flex;align-items:center;gap:7px;font-family:'Zen Maru Gothic',sans-serif;font-weight:700;text-decoration:none;border-radius:40px;padding:10px 18px;font-size:14px;white-space:nowrap;transition:transform .12s ease,filter .2s ease;}
.btn:hover{transform:translateY(-2px);filter:brightness(1.04);}
.btn-line{background:var(--line);color:#fff;}.btn-tel{background:#fff;color:var(--blue);border:2px solid var(--blue);}
@media(max-width:560px){.hd .logo .sub{display:none;}.hd-cta .btn{padding:9px 13px;font-size:13px;}}
/* page head */
.pagehead{background:radial-gradient(120% 100% at 50% 0%,var(--sky) 0%,#fff 72%);padding:clamp(28px,5vw,48px) 0 clamp(18px,3vw,30px);text-align:center;}
.pagehead h1{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:var(--navy);font-size:clamp(24px,5vw,38px);margin:0;line-height:1.35;}
.pagehead p{color:var(--gray);font-weight:500;margin:12px 0 0;font-size:15px;}
.crumb{font-size:12.5px;color:var(--gray);padding:12px 0 0;}
.crumb a{text-decoration:none;color:var(--blue);}
/* blog list */
.blist{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;padding:clamp(26px,4vw,44px) 0;}
.bcard{display:flex;flex-direction:column;border:1px solid #e3eefa;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 8px 22px rgba(20,90,170,.06);transition:transform .14s ease,box-shadow .2s ease;text-decoration:none;color:inherit;}
.bcard:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,90,170,.13);}
.bcard .thumb{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:52px;background:linear-gradient(135deg,var(--blue),#46a0ec);overflow:hidden;}
.bcard .thumb img{width:100%;height:100%;object-fit:cover;display:block;}
article.post .hero{display:block;width:100%;border-radius:14px;margin:4px 0 24px;}
.bcard .body{padding:16px 18px 20px;}
.bcard .cat{display:inline-block;background:var(--sky);color:var(--blue-d);font-weight:700;font-size:11.5px;border-radius:40px;padding:3px 11px;}
.bcard h2{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:var(--navy);font-size:16.5px;line-height:1.5;margin:10px 0 8px;}
.bcard p{font-size:13px;color:var(--gray);margin:0;font-weight:500;}
.bcard .date{font-size:11.5px;color:#9aabbd;margin-top:12px;}
/* article */
article.post{padding:clamp(26px,4vw,42px) 0 10px;}
article.post .cat{display:inline-block;background:var(--sky);color:var(--blue-d);font-weight:700;font-size:12px;border-radius:40px;padding:4px 13px;}
article.post h1{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:var(--navy);font-size:clamp(22px,4.4vw,32px);line-height:1.45;margin:14px 0 8px;}
article.post .meta{font-size:12.5px;color:#9aabbd;margin-bottom:22px;}
article.post h2{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:var(--navy);font-size:clamp(19px,3.4vw,24px);margin:34px 0 12px;padding-left:14px;border-left:6px solid var(--blue);line-height:1.4;}
article.post h3{font-family:'Zen Maru Gothic',sans-serif;font-weight:700;color:var(--blue-d);font-size:17px;margin:24px 0 8px;}
article.post p{margin:0 0 16px;font-size:15px;}
article.post ul,article.post ol{padding-left:1.3em;margin:0 0 18px;}
article.post li{margin-bottom:8px;font-size:15px;}
article.post .lead{background:var(--bg);border:1px solid #e3eefa;border-radius:14px;padding:16px 18px;font-weight:500;color:var(--ink);}
.tablewrap{overflow-x:auto;margin:0 0 18px;}
table.price{width:100%;border-collapse:collapse;font-size:14px;min-width:420px;}
table.price th,table.price td{border:1px solid #e3eefa;padding:10px 12px;text-align:left;}
table.price th{background:var(--sky);color:var(--navy);font-family:'Zen Maru Gothic',sans-serif;}
.note{font-size:12.5px;color:var(--gray);}
.faqblock{margin:10px 0 0;display:flex;flex-direction:column;gap:10px;}
.faqblock details{background:#fff;border:1px solid #e3eefa;border-radius:14px;overflow:hidden;}
.faqblock summary{list-style:none;cursor:pointer;font-family:'Zen Maru Gothic',sans-serif;font-weight:700;color:var(--navy);padding:14px 44px 14px 18px;position:relative;font-size:15px;}
.faqblock summary::-webkit-details-marker{display:none;}
.faqblock summary::after{content:"＋";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--blue);font-weight:900;}
.faqblock details[open] summary::after{content:"−";}
.faqblock .a{padding:0 18px 14px;color:var(--gray);font-size:14px;}
/* CTA box */
.ctabox{background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;border-radius:20px;text-align:center;padding:30px 22px;margin:36px 0 10px;}
.ctabox b{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;font-size:clamp(19px,3.4vw,26px);display:block;line-height:1.4;}
.ctabox p{color:rgba(255,255,255,.9);margin:10px 0 0;font-weight:500;font-size:14px;}
.ctabox .row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px;}
.ctabox .btn-line{font-size:16px;padding:15px 30px;}
.ctabox .tel{display:block;margin-top:14px;font-family:'Zen Maru Gothic',sans-serif;font-weight:900;font-size:clamp(20px,4vw,28px);color:#fff;text-decoration:none;}
/* related */
.related{border-top:1px solid #e5eef7;margin-top:34px;padding-top:26px;}
.related h2{font-family:'Zen Maru Gothic',sans-serif;color:var(--navy);font-size:19px;margin:0 0 14px;}
/* footer */
footer{background:var(--navy);color:#cdd9e8;padding:34px 0;text-align:center;font-size:13px;margin-top:44px;}
footer .fn{font-family:'Zen Maru Gothic',sans-serif;font-weight:900;color:#fff;font-size:18px;}
footer a{color:#fff;}