/* 株式会社RAPPIT の共通の見た目。色はすべてここの変数から（ロゴEの深緑と墨の2色） */
:root{
  --bg:#FFFFFF; --paper:#F5F4F0; --ink:#1E1E1E; --muted:#5E5E58; --line:#E2E0DA;
  --accent:#0A4D21; --deep:#0A4D21; --deep-ink:#FFFFFF; --deep-muted:#BFD8C6;
  --hero-bg:#F5F4F0; --hero-img:url("img/hero-light.jpg");
  --logo-light:block; --logo-dark:none;
  --font:"Noto Sans JP","Hiragino Sans",system-ui,-apple-system,sans-serif;
  --latin:"Inter","Noto Sans JP",system-ui,sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1311; --paper:#19211C; --ink:#ECEFEC; --muted:#A3ADA6; --line:#28302B;
    --accent:#8FD1A5; --deep:#05381A; --deep-ink:#FFFFFF; --deep-muted:#A9CDB4;
    --hero-bg:#05381A; --hero-img:url("img/hero-dark.jpg");
    --logo-light:none; --logo-dark:block;
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1311; --paper:#19211C; --ink:#ECEFEC; --muted:#A3ADA6; --line:#28302B;
  --accent:#8FD1A5; --deep:#05381A; --deep-ink:#FFFFFF; --deep-muted:#A9CDB4;
  --hero-bg:#05381A; --hero-img:url("img/hero-dark.jpg");
  --logo-light:none; --logo-dark:block;
  color-scheme: dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.9;letter-spacing:.02em;-webkit-text-size-adjust:100%}
a{color:var(--accent);transition:color .3s ease,background-color .3s ease,border-color .3s ease}
h1,h2,h3,.lead,dd,ol.history span{word-break:auto-phrase}
.in{max-width:1120px;margin:0 auto;padding-left:max(24px, env(safe-area-inset-left, 0px));padding-right:max(24px, env(safe-area-inset-right, 0px))}
.eyebrow{font-family:var(--latin);font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 20px}

/* ヘッダー */
header{position:sticky;top:0;z-index:10;background:color-mix(in srgb, var(--bg) 92%, transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .in{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}
.logo{display:block;line-height:0}
.logo img{height:26px;width:auto}
.logo .l-light{display:var(--logo-light)}
.logo .l-dark{display:var(--logo-dark)}
nav{display:flex;flex-wrap:wrap;gap:4px 28px;font-size:14px;font-weight:500}
nav a{color:var(--ink);text-decoration:none;padding:4px 0;border-bottom:1px solid transparent}
nav a:hover,nav a[aria-current="page"]{color:var(--accent);border-bottom-color:currentColor}

/* トップの最初の画面 */
.hero{position:relative;background:var(--hero-bg);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--hero-img) right center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, var(--hero-bg) 0%, var(--hero-bg) 30%, color-mix(in srgb, var(--hero-bg) 0%, transparent) 68%)}
.hero .in{position:relative;z-index:1;min-height:min(78vh, 600px);display:flex;flex-direction:column;justify-content:center;padding-top:96px;padding-bottom:96px}
.hero h1{margin:0;font-size:clamp(26px,4.2vw,46px);line-height:1.5;letter-spacing:.05em;font-weight:500}
.hero .lead{margin:28px 0 0;font-size:clamp(15px,1.7vw,17px);color:var(--muted);max-width:30em}

/* 下のページの頭 */
.page-head{border-bottom:1px solid var(--line)}
.page-head .in{padding-top:88px;padding-bottom:56px}
.page-head h1{margin:0;font-size:clamp(28px,3.6vw,40px);line-height:1.4;letter-spacing:.06em;font-weight:700}
.toc{display:flex;flex-wrap:wrap;gap:8px 28px;margin:32px 0 0;padding:0;list-style:none;font-size:14px;font-weight:500}
.toc a{color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.toc a::before{content:"";width:6px;height:6px;background:var(--accent)}
.toc a:hover{color:var(--accent)}

/* 各節 */
section.sec{padding:112px 0 0}
.sec-head{margin-bottom:48px}
.sec-head .eyebrow{margin:0 0 6px}
h2{margin:0;font-size:clamp(24px,3vw,32px);line-height:1.4;letter-spacing:.06em}
.band{background:var(--paper);margin-top:112px;padding:96px 0}
.band + section.sec,.band + .contact{margin-top:0}

/* 事業内容 */
.biz{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.biz li{border-top:2px solid var(--ink);padding-top:28px}
.biz .num{font-family:var(--latin);font-size:14px;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.biz h3{margin:10px 0 16px;font-size:20px;line-height:1.5;letter-spacing:.04em}
.biz p{margin:0;font-size:15px}

/* 代表について */
.profile{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px 64px}
.profile .who{align-self:start}
.profile .who .photo{display:block;width:100%;max-width:300px;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:4px;background:var(--paper);margin-bottom:28px}
.profile .who .nmb{border-left:2px solid var(--accent);padding-left:20px}
.profile .who .role{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.profile .who .nm{margin-top:6px;font-size:28px;font-weight:700;line-height:1.4;letter-spacing:.12em}
.profile .who .en{font-family:var(--latin);font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.14em;margin-top:2px}
.profile .txt{max-width:46em}
.profile .txt p{margin:0 0 18px}
.profile .txt p:last-child{margin-bottom:0}
.profile .txt h3{margin:0 0 20px;font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--muted)}

/* 会社概要の表 */
dl.facts{margin:0;border-top:2px solid var(--accent)}
dl.facts div{display:grid;grid-template-columns:9em minmax(0,1fr);gap:4px 24px;padding:18px 0;border-bottom:1px solid var(--line)}
dl.facts dt{font-weight:700;font-size:14px;padding-top:2px}
dl.facts dd{margin:0;font-variant-numeric:tabular-nums}
.facts-wrap{max-width:880px}
.more-link{display:inline-flex;align-items:center;gap:12px;margin-top:32px;padding:14px 24px;border:1px solid var(--ink);color:var(--ink);text-decoration:none;font-size:15px;font-weight:500}
.more-link::after{content:"→"}
.more-link:hover{background:var(--ink);color:var(--bg)}

/* 沿革 */
ol.history{list-style:none;margin:0;padding:0 0 0 28px;border-left:1px solid var(--line);max-width:880px}
ol.history li{position:relative;display:grid;grid-template-columns:8em minmax(0,1fr);gap:4px 24px;padding:0 0 28px}
ol.history li:last-child{padding-bottom:0}
ol.history li::before{content:"";position:absolute;left:-33px;top:10px;width:9px;height:9px;background:var(--accent)}
ol.history time,ol.history .when{font-family:var(--latin);font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
ol.history span{display:block}

/* お問い合わせ */
.contact{margin-top:120px;background:var(--deep);color:var(--deep-ink)}
.contact .in{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px 48px;padding-top:80px;padding-bottom:80px}
.contact .eyebrow{color:var(--deep-muted);margin-bottom:6px}
.contact h2{color:var(--deep-ink)}
.contact p{margin:16px 0 0;color:var(--deep-muted)}
.mail{display:inline-flex;align-items:center;gap:14px;padding:18px 28px;border:1px solid color-mix(in srgb, var(--deep-ink) 55%, transparent);color:var(--deep-ink);text-decoration:none;font-family:var(--latin);font-size:18px;font-weight:600;letter-spacing:.04em;word-break:break-all}
.mail::after{content:"→";font-weight:500}
.mail:hover{background:var(--deep-ink);color:var(--deep)}

/* フッター */
footer{background:var(--deep);color:var(--deep-muted);border-top:1px solid color-mix(in srgb, var(--deep-ink) 18%, transparent)}
footer .in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 32px;padding-top:32px;padding-bottom:36px;font-size:13px;line-height:1.8}
footer .co{color:var(--deep-ink);font-weight:500;font-size:14px}
footer nav{gap:4px 24px;font-size:13px;font-weight:400;align-self:start}
footer nav a{color:var(--deep-muted)}
footer nav a:hover{color:var(--deep-ink)}
footer .copy{grid-column:1/-1;padding-top:16px;border-top:1px solid color-mix(in srgb, var(--deep-ink) 14%, transparent)}

@media (max-width:900px){
  .biz{grid-template-columns:1fr;gap:40px}
  .profile{grid-template-columns:1fr}
}
@media (max-width:720px){
  .in{padding-left:max(20px, env(safe-area-inset-left, 0px));padding-right:max(20px, env(safe-area-inset-right, 0px))}
  header .in{padding-top:12px;padding-bottom:10px}
  .logo img{height:22px}
  html{scroll-padding-top:112px}
  nav{gap:0 16px;font-size:13px}
  nav a{padding:6px 0}
  .hero::before{inset:auto 0 0 0;height:150px}
  .hero::after{display:none}
  .hero .in{min-height:0;padding-top:56px;padding-bottom:206px}
  .eyebrow{margin-bottom:14px}
  .hero .lead{margin-top:20px}
  .page-head .in{padding-top:56px;padding-bottom:40px}
  section.sec{padding-top:80px}
  .band{margin-top:80px;padding:72px 0}
  .sec-head{margin-bottom:32px}
  dl.facts div{grid-template-columns:1fr;gap:0;padding:14px 0}
  ol.history{padding-left:22px}
  ol.history li{grid-template-columns:1fr;gap:0}
  ol.history li::before{left:-27px}
  .contact{margin-top:88px}
  .contact .in{grid-template-columns:1fr;padding-top:56px;padding-bottom:56px}
  .mail{font-size:16px;padding:16px 20px}
  footer .in{grid-template-columns:1fr}
}
@media print{
  :root{--bg:#FFFFFF;--paper:#FFFFFF;--ink:#000000;--muted:#333333;--line:#BBBBBB;--accent:#0A4D21;--deep:#FFFFFF;--deep-ink:#000000;--deep-muted:#333333;--logo-light:block;--logo-dark:none}
  header{position:static;backdrop-filter:none;-webkit-backdrop-filter:none}
  header nav,footer nav,.hero::before,.hero::after,.more-link,.toc{display:none}
  .hero .in{min-height:0;padding:32px 0}
  section.sec,.band{padding-top:32px;margin-top:0}
  .band{padding-bottom:0}
  .contact{margin-top:32px;border-top:1px solid var(--line)}
  .contact .in{padding:24px 0}
  .mail{border:0;padding:0}
  .mail::after{content:none}
  .biz,.profile{grid-template-columns:1fr}
  .profile .who .photo{max-width:220px;margin-bottom:20px}
  dl.facts div,ol.history li{break-inside:avoid}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}