/* =========================================================
   RASSIX theme — main styles (案Aティール)
   ========================================================= */

/* スクロールでふわっと表示（控えめ） */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;will-change:opacity,transform;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none !important;}
}

:root{
  --color-primary:#0E4D5C;
  --color-primary-dark:#08323B;
  --color-accent:#2E8B8B;
  --color-accent-light:#5DCAA5;
  --color-base:#F5F7F8;
  --color-text:#1A1A1A;
  --color-muted:#5F6B70;
  --color-border:#E3E8EA;
  --color-hero-sub:#CFE8E5;
  --color-hero-eyebrow:#9FE1CB;
  --maxw:1120px;
  --radius:8px;
  --font-ja:"Noto Sans JP",sans-serif;
  --font-en:"Inter","Noto Sans JP",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-ja);
  color:var(--color-text);
  line-height:1.8;
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-weight:500;line-height:1.5;margin:0;}
p{margin:0;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--base{background:var(--color-base);}
.eyebrow{font-size:12px;letter-spacing:2px;color:var(--color-accent);margin:0 0 8px;font-family:var(--font-en);}
.section-title{font-size:26px;margin:0 0 28px;}
.text-center{text-align:center;}

/* ---------- ボタン ---------- */
.btn{
  display:inline-block;font-size:14px;padding:12px 24px;border-radius:var(--radius);
  font-family:var(--font-ja);transition:opacity .2s,background .2s;cursor:pointer;border:none;
}
.btn--primary{background:var(--color-accent);color:#fff;}
.btn--primary:hover{opacity:.9;}
.btn--ghost{border:1px solid rgba(255,255,255,.4);color:var(--color-hero-sub);}
.btn--ghost:hover{background:rgba(255,255,255,.08);}
.btn--light{background:#fff;color:var(--color-primary);font-weight:500;}
.btn--light:hover{opacity:.9;}
.btn--outline{border:1px solid var(--color-accent);color:var(--color-accent);}
.btn--outline:hover{background:var(--color-accent);color:#fff;}

/* ---------- ヘッダー ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid var(--color-border);
}
.site-header .inner{display:flex !important;align-items:center;justify-content:space-between !important;height:68px;max-width:none !important;width:100%;margin:0 !important;padding-left:40px !important;padding-right:40px !important;}
.site-logo{font-size:20px;letter-spacing:7px;color:var(--color-text);font-family:var(--font-en);display:inline-flex;align-items:center;line-height:0;margin-right:auto;}
.site-logo img,
.site-header img.custom-logo,
.site-header .custom-logo-link img{max-height:40px !important;width:auto !important;height:auto !important;}
.nav-main{display:flex;align-items:center;gap:22px;}
.nav-main ul{display:flex;gap:20px;list-style:none;margin:0;padding:0;font-size:13px;color:#41525A;}
.nav-main ul a,
.nav-cta{display:inline-block;border-bottom:2px solid transparent;padding-bottom:4px;transition:color .15s ease,border-color .15s ease;}
.nav-main ul a:hover,
.nav-cta:hover{color:var(--color-primary);border-bottom-color:#9FC9C9;}
.nav-main ul a.is-active,
.nav-cta.is-active{color:var(--color-primary);font-weight:500;border-bottom-color:var(--color-accent);}
.nav-cta{font-size:13px;color:#41525A;}
.lang-switch{display:flex;gap:8px;list-style:none;margin:0;padding:0;font-size:12px;
  color:var(--color-accent);}
.lang-switch li{border:1px solid #9FC9C9;border-radius:6px;padding:3px 7px;line-height:1.4;}
.lang-switch a{display:block;}
.lang-switch .is-current{background:var(--color-accent);color:#fff;border-color:var(--color-accent);}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--color-primary);}

/* ---------- ヒーロー ---------- */
.hero{position:relative;background:var(--color-primary);color:#fff;overflow:hidden;}
.hero .container{padding-top:84px;padding-bottom:96px;position:relative;}
.hero .bracket{position:absolute;width:34px;height:34px;}
.hero .bracket--tl{top:30px;left:24px;border-top:2px solid var(--color-accent);border-left:2px solid var(--color-accent);}
.hero .bracket--br{bottom:30px;right:24px;border-bottom:2px solid var(--color-accent);border-right:2px solid var(--color-accent);}
.hero-eyebrow{font-size:12px;letter-spacing:3px;color:var(--color-hero-eyebrow);margin:0 0 18px;font-family:var(--font-en);}
.hero-title{font-size:38px;line-height:1.5;margin:0 0 20px;}
.hero-sub{font-size:15px;line-height:1.9;color:var(--color-hero-sub);max-width:560px;margin:0 0 32px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- サービス ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.card{
  border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;
  border-top:3px solid var(--color-primary);background:#fff;transition:box-shadow .2s,transform .2s;
}
.card:nth-child(2){border-top-color:var(--color-accent);}
.card:nth-child(3){border-top-color:var(--color-accent-light);}
.card:nth-child(4){border-top-color:#1D9E75;}
.card:hover{box-shadow:0 6px 24px rgba(14,77,92,.08);transform:translateY(-2px);}
.card .tag{font-size:11px;color:var(--color-accent);margin:0 0 3px;font-family:var(--font-en);}
.card h3{font-size:16px;color:var(--color-primary);margin:0 0 10px;}
.card p{font-size:13px;color:var(--color-muted);line-height:1.8;}
.services-lead{font-size:14px;color:var(--color-muted);margin:0 0 26px;}

/* ---------- アプローチ・バンド ---------- */
.approach{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:center;}
.approach .num{font-size:24px;font-weight:500;color:var(--color-primary);font-family:var(--font-en);margin:0;}
.approach .lbl{font-size:12px;color:var(--color-muted);margin:6px 0 0;}

/* ---------- Experience ---------- */
.exp-lead{font-size:14px;color:var(--color-muted);max-width:680px;margin:0 0 28px;line-height:1.9;}
.exp-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.exp-item{border:1px solid var(--color-border);border-left:3px solid var(--color-primary);
  border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;background:#fff;}
.exp-item:nth-child(2){border-left-color:var(--color-accent);}
.exp-item:nth-child(3){border-left-color:var(--color-accent-light);}
.exp-item .tag{font-size:11px;color:var(--color-accent);margin:0 0 6px;}
.exp-item p{font-size:13px;line-height:1.7;}
.exp-more{font-size:13px;color:var(--color-accent);margin:20px 0 0;display:inline-block;}

/* ---------- お知らせ・コラム ---------- */
.news-list{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--color-border);}
.news-item{border-bottom:1px solid var(--color-border);}
.news-link{display:block;padding:18px 4px;transition:background .15s ease;}
.news-link:hover{background:rgba(14,77,92,.03);}
.news-meta{display:flex;align-items:center;gap:12px;margin:0 0 6px;}
.news-cat{font-size:11px;color:#fff;background:var(--color-accent);border-radius:4px;padding:2px 8px;}
.news-date{font-size:12px;color:var(--color-muted);font-family:var(--font-en);}
.news-title{font-size:16px;color:var(--color-text);margin:0;line-height:1.6;}
.news-link:hover .news-title{color:var(--color-primary);}
.news-excerpt{font-size:13px;color:var(--color-muted);margin:6px 0 0;line-height:1.7;}
.news-pager{display:flex;gap:8px;justify-content:center;margin-top:32px;}
.news-pager .page-numbers{display:inline-block;padding:6px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:13px;color:var(--color-muted);}
.news-pager .page-numbers.current{background:var(--color-primary);color:#fff;border-color:var(--color-primary);}
.news-pager a.page-numbers:hover{border-color:var(--color-accent);color:var(--color-primary);}

/* ---------- CTA ---------- */
.cta{background:var(--color-primary);color:#fff;text-align:center;}
.cta h2{font-size:24px;margin:0 0 12px;}
.cta p{font-size:14px;color:var(--color-hero-sub);margin:0 0 24px;}

/* ---------- フッター ---------- */
.site-footer{background:var(--color-primary-dark);color:#7FA8AC;font-size:13px;}
.site-footer .inner{padding:40px 0;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;}
.site-footer .f-logo{display:inline-block;line-height:0;}
.site-footer .f-logo img{height:48px;width:auto;filter:brightness(0) invert(1);opacity:.92;}
.site-footer nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap;}
.site-footer nav a{display:inline-block;border-bottom:2px solid transparent;padding-bottom:3px;transition:color .15s ease,border-color .15s ease;}
.site-footer nav a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.4);}
.site-footer nav a.is-active{color:#fff;border-bottom-color:var(--color-accent-light);}
.site-footer .copy{padding:16px 0;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#5C8388;}

/* ---------- 下層ページ汎用 ---------- */
.page-hero{background:var(--color-primary);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.page-hero .eyebrow{color:var(--color-hero-eyebrow);}
.page-hero h1{font-size:30px;}
.page-intro{font-size:15px;line-height:1.9;color:var(--color-muted);max-width:760px;margin:0 0 40px;}
.prose{max-width:820px;}
.prose h2{font-size:22px;margin:48px 0 16px;color:var(--color-primary);}
.prose h3{font-size:17px;margin:28px 0 8px;}
.prose p{margin:0 0 16px;line-height:1.9;}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0;}
.mvv .box{background:var(--color-base);border-radius:var(--radius);padding:22px;}
.mvv .box h3{font-size:15px;color:var(--color-primary);margin:0 0 8px;}
.mvv .box p{font-size:13px;color:var(--color-muted);margin:0;}

/* サービス詳細ブロック */
.svc-block{border-top:1px solid var(--color-border);padding:36px 0;}
.svc-block:first-of-type{border-top:none;}
.svc-block h2{font-size:20px;color:var(--color-primary);margin:0 0 16px;}
.svc-block .row{margin:0 0 12px;}
.svc-block .row .k{font-size:12px;color:var(--color-accent);font-weight:500;display:block;margin:0 0 2px;}
.svc-block .row .v{font-size:14px;color:var(--color-text);line-height:1.8;}

/* 概要テーブル */
.info-table{width:100%;border-collapse:collapse;margin:16px 0;}
.info-table th,.info-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--color-border);font-size:14px;vertical-align:top;}
.info-table th{width:140px;color:var(--color-muted);font-weight:500;white-space:nowrap;}

/* ---------- レスポンシブ ---------- */
@media(max-width:820px){
  .section{padding:56px 0;}
  .hero-title{font-size:30px;}
  .cards{grid-template-columns:1fr;}
  .approach{grid-template-columns:repeat(3,1fr);gap:10px;}
  .approach .num{font-size:18px;}
  .exp-list{grid-template-columns:1fr;}
  .mvv{grid-template-columns:1fr;}
  .nav-main{display:none;}
  .nav-toggle{display:block;}
  .nav-main.is-open{display:flex;flex-direction:column;align-items:flex-end;gap:14px;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--color-border);padding:18px 40px;text-align:right;}
  .nav-main.is-open ul{display:flex;flex-direction:column;align-items:flex-end;gap:14px;}
  .nav-main.is-open .nav-cta{display:inline-block;width:max-content;}
  .nav-main.is-open .lang-switch{display:flex;flex-direction:row;justify-content:flex-end;}
  .site-footer .inner{flex-direction:column;}
}