:root{--p:#6610f2;--t:#212529;--m:#6c757d;--b:#dee2e6;--bg:#fff;--alt:#f8f9fa}
*{box-sizing:border-box}body{margin:0;font-family:"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--t);line-height:1.7}
.container{width:min(1140px,calc(100% - 2rem));margin:auto}.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--b);z-index:10}
.header-inner{display:flex;justify-content:space-between;align-items:center;min-height:72px;gap:1rem}.logo{font-weight:700;color:var(--t);text-decoration:none}
.main-nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0}.main-nav a{text-decoration:none;color:var(--t);font-size:.92rem}
.btn{display:inline-block;padding:.7rem 1.1rem;border-radius:8px;text-decoration:none;font-weight:600}.btn-p{background:var(--p);color:#fff}.btn-o{border:1px solid var(--p);color:var(--p)}
section{padding:3.8rem 0}.hero{background:linear-gradient(180deg,var(--alt),#fff)}.hero-grid{display:grid;gap:2rem}.hero h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.25}
@media(min-width:960px){.hero-grid,.two{grid-template-columns:1fr 1fr;display:grid}.cards{grid-template-columns:repeat(3,1fr)!important}.steps{grid-template-columns:repeat(3,1fr)!important}}
.cards{display:grid;grid-template-columns:1fr;gap:1rem}.card{border:1px solid var(--b);border-radius:10px;padding:1rem;background:#fff}
.steps{display:grid;grid-template-columns:1fr;gap:1rem}.s{padding:1rem;text-align:center}.n{width:42px;height:42px;border-radius:50%;background:var(--p);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto .6rem}
.table{overflow:auto;border:1px solid var(--b);border-radius:8px}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid var(--b);padding:.8rem;text-align:left}th{background:var(--alt)}
details{border-bottom:1px solid var(--b)}summary{cursor:pointer;padding:1rem 0;font-weight:600}.site-footer{background:#1a1d21;color:#adb5bd;padding:2.5rem 0}
.site-footer a{color:#dee2e6}.two{display:grid;gap:1.5rem}input,select,textarea{width:100%;padding:.65rem;border:1px solid var(--b);border-radius:8px;margin:.35rem 0 .8rem}
.legal{font-size:.84rem;color:var(--m)}.ph{font-style:italic;color:var(--m)}img{max-width:100%;height:auto;display:block;border:1px solid var(--b);border-radius:10px}
.real-gallery-wrap{padding-top:2rem}
.real-gallery{display:grid;grid-template-columns:1fr;gap:1rem}
.real-gallery figure{margin:0}
.real-gallery img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:10px;border:1px solid var(--b)}
@media(min-width:900px){.real-gallery{grid-template-columns:repeat(3,1fr)}}