/* =========================================================
   81/82 SITE COMMON — 全ページ共通
   header / footer / anchor offset / page transition / sub-pages
   ※ styles.css の後に読み込む
   ========================================================= */
:root{--hdr-h:68px}

/* ---------- anchor offset ----------
   固定ヘッダーに見出しが隠れないよう、アンカー遷移先には必ず scroll-margin-top を持たせる。
   大きな上パディング（150px〜）を持つセクションはパディング自体がヘッダー分の余白になるため 0 とする。 */
[id]{scroll-margin-top:var(--hdr-h)}
#about,#business,#assets,#news{scroll-margin-top:0}

/* ---------- page transition (light fade, ~300ms) ---------- */
html.page-in body{animation:sitePageIn .32s ease-out}
@keyframes sitePageIn{from{opacity:0}to{opacity:1}}
body.is-leaving{opacity:0;transition:opacity .26s ease-in}
@media (prefers-reduced-motion:reduce){body{animation:none}body.is-leaving{opacity:1;transition:none}}

/* ---------- header: current section marker (下層ページの BUSINESS) ---------- */
.nav a.is-current:not(.btn-contact)::after{transform:scaleX(1)}
/* 白背景ページでは常に solid 表示 */
.hdr.solid{background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);box-shadow:0 1px 0 rgba(10,22,64,.06);height:var(--hdr-h)}

/* ---------- FOOTER (全ページ統一) ---------- */
.ftr{padding:110px 0 40px}
.ftr-grid{display:grid;grid-template-columns:1.5fr repeat(3,auto);gap:56px 88px;align-items:start}
.ftr-brand .mk{display:inline-block;font-family:var(--serif);font-size:64px;line-height:1;color:#fff}
.ftr-brand .tg{font-family:var(--latin);font-size:10.5px;letter-spacing:.3em;color:rgba(255,255,255,.6);margin-top:16px}
.ftr-brand .cp{font-size:14px;color:rgba(255,255,255,.8);margin-top:28px;letter-spacing:.1em}
.ftr-col .h{font-family:var(--latin);font-size:10px;letter-spacing:.32em;color:rgba(255,255,255,.4);margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}
.ftr-col .lk{display:flex;flex-direction:column;gap:12px}
.ftr-col .lk a{font-family:var(--latin);font-size:12px;letter-spacing:.24em;color:rgba(255,255,255,.75);transition:color .3s;display:inline-flex;align-items:center;gap:10px;width:max-content}
.ftr-col .lk a::after{content:"→";opacity:0;transform:translateX(-6px);transition:opacity .3s,transform .4s var(--ease)}
.ftr-col .lk a:hover{color:#fff}
.ftr-col .lk a:hover::after{opacity:.7;transform:none}
.ftr-co{margin-top:26px;font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.75);letter-spacing:.06em}
.ftr-co .k{display:block;font-size:10.5px;letter-spacing:.2em;color:rgba(255,255,255,.4);margin-bottom:2px}
.ftr-co .en{display:block;font-family:var(--latin);font-size:9.5px;letter-spacing:.24em;color:rgba(255,255,255,.4);margin-top:4px}
.ftr .bot{margin-top:96px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;font-family:var(--latin);font-size:10.5px;letter-spacing:.2em;color:rgba(255,255,255,.45)}
@media (max-width:1100px){.ftr-grid{grid-template-columns:1fr 1fr 1fr;}.ftr-brand{grid-column:1/-1}}
@media (max-width:960px){
  .ftr{padding:80px 0 32px}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:44px 32px}
  .ftr-brand .mk{font-size:52px}
  .ftr .bot{flex-direction:column;gap:8px;margin-top:64px}
}

/* ---------- NEWS rows without detail page ---------- */
.news-list li>.news-row{display:grid;grid-template-columns:120px 120px 1fr;align-items:center;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
@media (max-width:960px){.news-list li>.news-row{grid-template-columns:1fr;gap:4px}}

/* ---------- ALSO EXPLORE (CLIENT ↔ OWN cross link) ---------- */
.xl{background:#fff;padding:150px 0}
.xl-card{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border-top:1px solid var(--navy);border-bottom:1px solid var(--line);min-height:440px;color:var(--navy)}
.xl-tx{padding:56px 64px 56px 0;display:flex;flex-direction:column}
.xl-tx .eyebrow{margin-bottom:44px}
.xl-en{font-family:var(--serif);font-size:clamp(48px,6vw,92px);line-height:.98;letter-spacing:.005em}
.xl-jp{font-size:clamp(20px,1.8vw,26px);font-weight:500;letter-spacing:.1em;margin-top:24px}
.xl-tx p{font-size:15px;line-height:2.1;color:#3B4866;margin-top:18px}
.xl-tx .arrow-link{margin-top:auto;align-self:flex-start;padding-top:40px}
.xl-ph{position:relative;overflow:hidden;background:var(--pale-2)}
.xl-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1.4s var(--ease)}
.xl-ph::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,22,64,.25),rgba(10,22,64,0) 40%)}
.xl-ph .ar{position:absolute;right:28px;bottom:28px;z-index:2;width:64px;height:64px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:18px;transition:transform .6s var(--ease)}
.xl-card:hover .xl-ph img{transform:scale(1)}
.xl-card:hover .xl-ph .ar{transform:translateX(6px)}
.xl-card:hover .arrow-link .ar{transform:translateX(8px)}
@media (max-width:960px){
  .xl{padding:100px 0}
  .xl-card{grid-template-columns:1fr}
  .xl-tx{padding:40px 0}
  .xl-ph{min-height:260px;order:-1}
}

/* =========================================================
   SUB PAGES — CONTACT / PRIVACY
   ========================================================= */
.sp-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:200px 0 140px}
.sp-hero .bg{position:absolute;inset:-6% 0;z-index:0}
.sp-hero .bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.4) brightness(.5)}
.sp-hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,22,64,.88),rgba(10,22,64,.72) 55%,rgba(10,22,64,.95))}
.sp-hero .wrap{position:relative;z-index:2}
.sp-crumb{font-family:var(--latin);font-size:10.5px;letter-spacing:.26em;color:rgba(255,255,255,.55);display:flex;gap:12px;margin-bottom:64px}
.sp-crumb a{color:rgba(255,255,255,.8);transition:color .3s}
.sp-crumb a:hover{color:#fff}
.sp-hero .small{font-family:var(--latin);font-size:12px;letter-spacing:.34em;color:var(--bluegray-2)}
.sp-hero h1{font-size:clamp(34px,4.4vw,64px);font-weight:500;line-height:1.5;letter-spacing:.06em;margin:36px 0 44px}
.sp-hero p{font-size:16px;line-height:2.3;color:#D3DBE7;letter-spacing:.04em}

/* ---- CONTACT FORM ---- */
.cf{padding:150px 0 180px;background:#fff}
.cf-grid{display:grid;grid-template-columns:.8fr 1.6fr;gap:96px;align-items:start}
.cf-side{position:sticky;top:120px}
.cf-side h2{font-size:clamp(26px,2.4vw,34px);font-weight:500;line-height:1.6;letter-spacing:.05em;color:var(--navy)}
.cf-side p{font-size:14px;line-height:2.1;color:#3B4866;margin-top:24px}
.cf-side .req-note{margin-top:32px;font-size:12px;color:var(--bluegray);display:flex;align-items:center;gap:10px}
.cf-form{border-top:1px solid var(--navy)}
.cf-row{display:grid;grid-template-columns:220px 1fr;gap:32px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}
.cf-row>label,.cf-row>.lbl{display:flex;align-items:center;gap:12px;padding-top:14px;font-size:14.5px;font-weight:500;color:var(--navy);letter-spacing:.06em}
.tag-req,.tag-opt{font-family:var(--latin);font-size:9.5px;letter-spacing:.18em;padding:3px 9px;border-radius:2px;line-height:1.4;font-weight:500}
.tag-req{background:var(--navy);color:#fff}
.tag-opt{border:1px solid var(--line);color:var(--bluegray)}
.cf-field input,.cf-field textarea{width:100%;font:inherit;font-size:15px;color:var(--ink);background:var(--pale);border:1px solid transparent;border-radius:3px;padding:15px 18px;transition:border-color .3s,background .3s,box-shadow .3s;outline:none}
.cf-field textarea{min-height:220px;resize:vertical;line-height:1.9}
.cf-field input::placeholder,.cf-field textarea::placeholder{color:var(--bluegray-2)}
.cf-field input:hover,.cf-field textarea:hover{border-color:var(--line)}
.cf-field input:focus,.cf-field textarea:focus{background:#fff;border-color:var(--navy);box-shadow:0 0 0 4px rgba(62,95,138,.1)}
.cf-field .err{display:none;font-size:12px;color:#B23A48;margin-top:8px;letter-spacing:.04em}
.cf-row.invalid .cf-field input,.cf-row.invalid .cf-field textarea{border-color:#B23A48;background:#fff}
.cf-row.invalid .cf-field .err{display:block}
.cf-topics{display:flex;flex-wrap:wrap;gap:10px}
.cf-topics label{position:relative;cursor:pointer}
.cf-topics input{position:absolute;opacity:0;pointer-events:none}
.cf-topics span{display:inline-flex;align-items:center;gap:10px;padding:11px 18px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;color:var(--navy);letter-spacing:.04em;transition:all .3s var(--ease)}
.cf-topics span::before{content:"";width:8px;height:8px;border-radius:50%;border:1px solid var(--bluegray-2);transition:all .3s}
.cf-topics label:hover span{border-color:var(--bluegray-2)}
.cf-topics input:checked+span{background:var(--navy);border-color:var(--navy);color:#fff}
.cf-topics input:checked+span::before{background:#fff;border-color:#fff}
.cf-topics input:focus-visible+span{box-shadow:0 0 0 4px rgba(62,95,138,.18)}
.cf-agree{margin-top:56px;display:flex;flex-direction:column;align-items:center;gap:36px;text-align:center}
.cf-check{display:inline-flex;align-items:center;gap:14px;cursor:pointer;font-size:14.5px;color:var(--navy);letter-spacing:.04em}
.cf-check input{position:absolute;opacity:0;pointer-events:none}
.cf-check .box{width:22px;height:22px;border:1px solid var(--navy);border-radius:3px;display:grid;place-items:center;transition:background .3s;flex-shrink:0}
.cf-check .box::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translate(-1px,-1px) scale(0);transition:transform .3s var(--ease)}
.cf-check input:checked+.box{background:var(--navy)}
.cf-check input:checked+.box::after{transform:rotate(45deg) translate(-1px,-1px) scale(1)}
.cf-check input:focus-visible+.box{box-shadow:0 0 0 4px rgba(62,95,138,.18)}
.cf-check a{border-bottom:1px solid currentColor;padding-bottom:1px;transition:color .3s}
.cf-check a:hover{color:var(--accent)}
.cf-submit[disabled]{background:var(--bluegray-2);cursor:not-allowed;box-shadow:none}
.cf-submit[disabled]::before{display:none}
.cf-submit[disabled] .circ{opacity:.6}
.cf-hint{font-size:12px;color:var(--bluegray);margin-top:-16px;transition:opacity .3s}
.cf-agree.ok .cf-hint{opacity:0}
.cf-done{display:none;border-top:1px solid var(--navy);padding:80px 0 20px}
.cf-done .en{font-family:var(--serif);font-size:clamp(40px,4.4vw,64px);line-height:1;color:var(--navy)}
.cf-done h3{font-size:22px;font-weight:500;color:var(--navy);margin:28px 0 18px;letter-spacing:.06em}
.cf-done p{font-size:15px;line-height:2.1;color:#3B4866}
.cf-done .arrow-link{margin-top:48px}
.cf.sent .cf-form{display:none}
.cf.sent .cf-done{display:block;animation:sitePageIn .6s ease-out}
@media (max-width:960px){
  .sp-hero{padding:150px 0 100px}
  .cf{padding:100px 0 120px}
  .cf-grid{grid-template-columns:1fr;gap:48px}
  .cf-side{position:static}
  .cf-row{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .cf-row>label,.cf-row>.lbl{padding-top:0}
}

/* ---- PRIVACY ---- */
.pp-hero{padding:190px 0 90px;background:var(--pale);border-bottom:1px solid var(--line)}
.pp-hero .crumb{font-family:var(--latin);font-size:10.5px;letter-spacing:.26em;color:var(--bluegray);display:flex;gap:12px;margin-bottom:56px}
.pp-hero .crumb a{color:var(--navy)}
.pp-hero h1{font-size:clamp(30px,3.4vw,46px);font-weight:500;letter-spacing:.08em;color:var(--navy);line-height:1.4}
.pp-hero .date{margin-top:24px;font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:var(--bluegray)}
.pp{padding:110px 0 170px;background:#fff}
.pp-grid{display:grid;grid-template-columns:260px 1fr;gap:96px;align-items:start}
.pp-toc{position:sticky;top:110px;list-style:none;border-top:1px solid var(--navy)}
.pp-toc a{display:grid;grid-template-columns:28px 1fr;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;color:#3B4866;letter-spacing:.04em;transition:color .3s,padding .4s var(--ease)}
.pp-toc a b{font-family:var(--serif);font-weight:400;color:var(--bluegray)}
.pp-toc a:hover,.pp-toc a.on{color:var(--navy);padding-left:8px}
.pp-body{max-width:760px}
.pp-lead{font-size:16px;line-height:2.2;color:var(--ink);padding-bottom:56px;border-bottom:1px solid var(--line)}
.pp-sec{padding:56px 0;border-bottom:1px solid var(--line)}
.pp-sec h2{display:flex;align-items:baseline;gap:18px;font-size:20px;font-weight:500;color:var(--navy);letter-spacing:.06em;line-height:1.6}
.pp-sec h2 b{font-family:var(--serif);font-weight:400;font-size:26px;color:var(--bluegray);min-width:28px}
.pp-sec p,.pp-sec li{font-size:15px;line-height:2.15;color:#3B4866}
.pp-sec p{margin-top:20px}
.pp-sec ul{list-style:none;margin-top:16px;padding:22px 28px;background:var(--pale);border-radius:3px}
.pp-sec ul li{position:relative;padding-left:20px}
.pp-sec ul li::before{content:"";position:absolute;left:0;top:1.05em;width:8px;height:1px;background:var(--navy)}
.pp-co{margin-top:28px;display:grid;grid-template-columns:120px 1fr;border-top:1px solid var(--navy)}
.pp-co dt,.pp-co dd{padding:18px 0;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.9}
.pp-co dt{font-size:12.5px;color:var(--bluegray);letter-spacing:.1em}
.pp-co dd{color:var(--navy)}
.pp-co dd .arrow-link{padding:4px 0;font-size:12px}
.pp-end{margin-top:56px;font-size:13px;color:var(--bluegray);text-align:right;line-height:2}
@media (max-width:960px){
  .pp-hero{padding:140px 0 60px}
  .pp{padding:64px 0 110px}
  .pp-grid{grid-template-columns:1fr;gap:40px}
  .pp-toc{position:static}
  .pp-co{grid-template-columns:96px 1fr}
}