:root{
  --ink:#1d2433; --sub:#5b6475; --line:#e4e7ee; --bg:#fbfaf7; --card:#ffffff;
  --accent:#2a5d74; --accent-ink:#ffffff; --soft:#eaf2f5; --warm:#fff4d6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.85;font-size:16px}
a{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:10;background:rgba(251,250,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;letter-spacing:.04em;color:var(--ink);text-decoration:none;font-size:18px}
.logo img{height:40px;width:auto}
nav.top a{color:var(--sub);text-decoration:none;font-size:14px;margin-left:20px}
nav.top a:hover{color:var(--ink)}
@media(max-width:640px){nav.top a{margin-left:12px;font-size:13px}nav.top a.hide-sm{display:none}}

.hero{padding:64px 0 48px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
@media(max-width:820px){.hero .wrap{grid-template-columns:1fr}.hero{padding:40px 0 32px}}
.eyebrow{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.35;margin:10px 0 16px;letter-spacing:.01em}
.lead{color:var(--sub);font-size:17px;margin:0 0 26px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:700;text-decoration:none;font-size:15px}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.hero-img{border-radius:18px;overflow:hidden;box-shadow:0 12px 40px rgba(29,36,51,.12)}

section{padding:56px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(22px,3vw,30px);margin:0 0 8px}
.sec-lead{color:var(--sub);margin:0 0 28px}

.team{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.team{grid-template-columns:repeat(2,1fr)}}
.member{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 14px;text-align:center}
.member .face{width:96px;height:96px;border-radius:50%;overflow:hidden;margin:0 auto 10px;background:var(--soft)}
.member .face img{width:100%;height:100%;object-fit:cover;object-position:top}
.member b{display:block;font-size:16px}
.member small{display:block;color:var(--sub);font-size:13px;line-height:1.6;margin-top:4px}
.member.human .face{display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--accent);font-size:28px}

.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:s}
@media(max-width:820px){.flow{grid-template-columns:1fr 1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.step::before{counter-increment:s;content:counter(s);display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;align-items:center;justify-content:center;font-size:14px;margin-bottom:8px}
.step b{display:block}
.step p{margin:4px 0 0;color:var(--sub);font-size:14px;line-height:1.7}

.card-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.card-row{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .tag{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.card h3{margin:0;font-size:19px;line-height:1.5}
.card p{margin:0;color:var(--sub);font-size:15px}
.card .actions{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;gap:10px}
.radio-card{flex-direction:row}
.radio-card img{width:42%;object-fit:cover}
@media(max-width:520px){.radio-card{flex-direction:column}.radio-card img{width:100%}}

.product{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.product .price{font-weight:800;white-space:nowrap}
.product ul{margin:6px 0 0;padding-left:1.2em;color:var(--sub);font-size:14px}
.product .grow{flex:1}

.links{display:flex;flex-wrap:wrap;gap:12px}
.links a{padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;color:var(--ink);font-weight:600;font-size:14px}

.contact{background:var(--warm);border-radius:18px;padding:26px 28px}
.contact p{margin:0 0 6px}

footer{padding:36px 0 48px;color:var(--sub);font-size:13px;border-top:1px solid var(--line);background:#fff}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:var(--sub);margin-right:16px}
.note-small{font-size:12px;color:var(--sub);margin-top:10px}

/* 規約ページ */
.doc{max-width:760px;margin:0 auto;padding:48px 20px 72px}
.doc h1{font-size:28px}
.doc h2{font-size:19px;margin-top:32px}
.doc table{width:100%;border-collapse:collapse;background:#fff;font-size:15px}
.doc th,.doc td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.doc th{width:32%;background:#f6f7fa;font-weight:700}
.todo{background:#ffe9a8;padding:0 4px;border-radius:3px}

/* 代表 */
.owner{display:flex;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin-top:16px}
.owner img{width:180px;height:180px;border-radius:50%;object-fit:cover;flex-shrink:0}
.owner-name{font-size:21px;display:block}
.owner-role{color:var(--accent);font-weight:700;font-size:14px;margin-bottom:6px}
.owner p{margin:0 0 8px;color:var(--sub)}
@media(max-width:620px){.owner{flex-direction:column;text-align:center}.owner img{width:150px;height:150px}}
/* AI社員 */
.bots{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
@media(max-width:980px){.bots{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.bots{grid-template-columns:repeat(2,1fr)}}
.bot{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.bot img{width:100%;aspect-ratio:1/1;height:auto;object-fit:cover}
.bot-body{padding:14px 14px 16px}
.bot-body b{display:block;font-size:17px}
.bot-role{display:block;color:var(--accent);font-weight:700;font-size:12.5px;margin:2px 0 6px}
.bot-body p{margin:0;color:var(--sub);font-size:13.5px;line-height:1.7}