/* ヒストリ 紹介サイト — アプリと同じ配色・タイポグラフィ */
:root{
  --paper:#FDFBF6; --paper-deep:#F6F1E7; --ink:#211D17; --ink-sub:#6B655B; --faint:#9A9488;
  --accent:#B4491C; --accent-soft:#F3E9DC; --hairline:#E6E1D6;
  --serif:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif);font-weight:500;letter-spacing:.06em}
.label{font-size:12px;font-weight:700;letter-spacing:.28em;color:var(--faint);text-transform:uppercase}

/* header */
.header{position:sticky;top:0;z-index:20;background:rgba(253,251,246,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline)}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:32px;height:32px;border-radius:8px}
.brand span{font-family:var(--serif);font-size:20px;letter-spacing:.2em}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--ink-sub)}
.nav-links a:hover{color:var(--ink)}
@media(max-width:640px){.nav-links{display:none}}

/* hero */
.hero{position:relative;padding:96px 0 72px;text-align:center;overflow:hidden}
.hero-inner{position:relative;z-index:2}
.scatter{position:absolute;inset:0;z-index:0;pointer-events:none}
.scatter .sc{position:absolute;border-radius:10px;box-shadow:0 14px 30px rgba(33,29,23,.16);border:4px solid #fff;opacity:var(--o,.8);transform:rotate(var(--r,0deg));filter:saturate(.9)}
.hero:before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse 46% 60% at 50% 42%, rgba(253,251,246,.98) 0%, rgba(253,251,246,.92) 45%, rgba(253,251,246,.35) 75%, rgba(253,251,246,0) 100%)}
.hero-credit{margin:22px 0 0;font-size:12px;color:var(--faint);letter-spacing:.06em}
.hero-credit a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.scatter .sc{transform:rotate(var(--r,0deg)) scale(.7);transform-origin:top left}.scatter .sc9,.scatter .sc10,.scatter .sc11,.scatter .sc14{display:none}}
@media(max-width:640px){.scatter .sc{transform:rotate(var(--r,0deg)) scale(.5);opacity:calc(var(--o,.8)*.8)}.scatter .sc1,.scatter .sc6,.scatter .sc8,.scatter .sc12,.scatter .sc13{display:none}.hero:before{background:radial-gradient(ellipse 60% 55% at 50% 40%, rgba(253,251,246,.98) 0%, rgba(253,251,246,.9) 55%, rgba(253,251,246,.2) 100%)}}
.hero .kicker{font-size:13px;letter-spacing:.3em;color:var(--ink-sub);margin-bottom:28px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(34px,6vw,60px);letter-spacing:.14em;line-height:1.45;margin:0 0 20px}
.hero h1 .dot{color:var(--accent)}
.hero .lead{font-size:clamp(15px,2vw,18px);color:var(--ink-sub);line-height:2.1;margin:0 auto 40px;max-width:640px}
.stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;margin-bottom:44px}
.stat{text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:clamp(36px,5vw,52px);font-weight:500;letter-spacing:.04em;line-height:1.1}
.stat span{font-size:13px;color:var(--ink-sub);letter-spacing:.12em}
.cta-row{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;border-radius:12px;padding:12px 20px;font-size:14px;letter-spacing:.04em;transition:opacity .2s}
.badge:hover{opacity:.85}
.badge small{display:block;font-size:10px;letter-spacing:.1em;opacity:.75;line-height:1.2}
.badge strong{display:block;font-size:16px;line-height:1.2;font-weight:600}
.badge.soon{background:var(--paper-deep);color:var(--ink-sub);cursor:default}
.hero-shot{margin:56px auto 0;max-width:300px;border-radius:36px;box-shadow:0 30px 60px rgba(33,29,23,.14);overflow:hidden;border:1px solid var(--hairline)}

/* sections */
section{padding:88px 0}
section.alt{background:var(--paper-deep)}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(26px,4vw,36px);letter-spacing:.12em;line-height:1.5;margin:14px 0 12px}
.sec-head p{color:var(--ink-sub);margin:0}

/* principles */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media(max-width:720px){.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--hairline);border-radius:16px;padding:32px 30px}
.card h3{font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:.08em;margin:0 0 10px}
.card p{margin:0;color:var(--ink-sub);font-size:15px}
.card .no{font-size:12px;letter-spacing:.24em;color:var(--accent);font-weight:700;margin-bottom:12px}

/* features */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--hairline)}
.feature:first-of-type{border-top:0}
.feature:nth-child(even) .shot{order:-1}
@media(max-width:800px){.feature{grid-template-columns:1fr;gap:28px}.feature:nth-child(even) .shot{order:0}}
.feature .tag{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.2em;padding:6px 12px;border-radius:999px;margin-bottom:18px}
.feature h3{font-family:var(--serif);font-weight:500;font-size:clamp(22px,3vw,28px);letter-spacing:.1em;line-height:1.5;margin:0 0 14px}
.feature p{color:var(--ink-sub);margin:0 0 16px}
.feature ul{margin:0;padding:0;list-style:none;color:var(--ink-sub);font-size:14px}
.feature li{padding-left:20px;position:relative;margin-bottom:6px}
.feature li:before{content:"";position:absolute;left:0;top:13px;width:10px;height:1px;background:var(--accent)}
.shot{max-width:280px;margin:0 auto;border-radius:32px;overflow:hidden;border:1px solid var(--hairline);box-shadow:0 20px 40px rgba(33,29,23,.10)}

/* coverage */
.eras{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.era{border:1px solid var(--hairline);background:#fff;border-radius:999px;padding:8px 18px;font-size:14px}
.era b{font-family:var(--serif);margin-left:8px;color:var(--accent);font-weight:500}
.areas{margin-top:28px;text-align:center;color:var(--ink-sub);font-size:14px;line-height:2.2}

/* cta */
.cta{text-align:center}
.cta h2{font-family:var(--serif);font-weight:500;font-size:clamp(26px,4vw,38px);letter-spacing:.14em;line-height:1.5;margin:0 0 12px}
.cta p{color:var(--ink-sub);margin:0 0 32px}

/* footer */
footer{border-top:1px solid var(--hairline);padding:40px 0 48px;font-size:13px;color:var(--ink-sub)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a:hover{color:var(--ink)}

/* legal pages */
.doc{max-width:760px;margin:0 auto;padding:64px 24px 96px}
.doc h1{font-family:var(--serif);font-weight:500;font-size:30px;letter-spacing:.14em;margin:0 0 8px}
.doc .date{color:var(--faint);font-size:13px;margin-bottom:40px}
.doc h2{font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:.08em;margin:40px 0 10px;padding-top:24px;border-top:1px solid var(--hairline)}
.doc p{margin:0 0 12px;font-size:15px;color:var(--ink)}
.doc ul{margin:0 0 12px;padding-left:20px;font-size:15px}
.doc li{margin-bottom:4px}
.doc dl{font-size:15px}
.doc dt{color:var(--ink-sub);font-size:13px;letter-spacing:.1em;margin-top:14px}
.doc dd{margin:2px 0 0}
.back{display:inline-block;margin-bottom:32px;font-size:13px;color:var(--ink-sub)}
.back:hover{color:var(--ink)}