/* AO 邸宅サブページ共通スタイル */
:root{
  --blue:#2b5cff;
  --blue-hover:#1f49df;
  --ink:#0a0a0b;
  --ink-soft:#141416;
  --paper:#f4f3f0;
  --line:rgba(255,255,255,.14);
  --r:16px;
  --maxw:1280px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",system-ui,sans-serif;background:var(--ink);color:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,56px)}
::selection{background:var(--blue);color:#fff}

/* フィルムグレイン */
body::after{content:"";position:fixed;inset:0;z-index:95;pointer-events:none;opacity:.045;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");background-size:160px 160px}

/* ヘッダー */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 clamp(20px,5vw,48px);color:#fff;transition:background .5s var(--ease),backdrop-filter .5s var(--ease),transform .5s var(--ease)}
.hdr.scrolled{background:rgba(10,10,11,.72);backdrop-filter:blur(18px) saturate(140%)}
.hdr.hidden{transform:translateY(-100%)}
.brand{font-family:"Anton",sans-serif;font-size:26px;letter-spacing:.14em;line-height:1}
.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,34px)}
.nav a{font-family:"Oswald",sans-serif;font-size:13.5px;letter-spacing:.08em;opacity:.9}
.nav a:hover{opacity:1}
.pill{position:relative;overflow:hidden;z-index:0;font-family:"Oswald",sans-serif;font-weight:500;font-size:13.5px;letter-spacing:.06em;background:var(--blue);color:#fff;padding:11px 22px;border-radius:999px;white-space:nowrap;transition:transform .25s var(--ease)}
.pill::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--blue-hover);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.pill:hover::before{transform:scaleX(1)}
.pill:active{transform:scale(.97)}
@media(max-width:760px){.nav a:not(.pill){display:none}}

/* 物件ヒーロー */
.phero{position:relative;height:92dvh;min-height:560px;overflow:hidden;display:flex;align-items:flex-end}
.phero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,11,.42),rgba(10,10,11,.05) 36%,rgba(10,10,11,.72) 100%)}
.phero-inner{position:relative;z-index:2;width:100%;padding:0 clamp(20px,5vw,56px) clamp(36px,6vw,72px)}
.phero-loc{font-family:"Oswald",sans-serif;font-size:12px;letter-spacing:.32em;color:rgba(255,255,255,.85);margin-bottom:10px}
.phero-name{font-family:"Anton",sans-serif;font-size:clamp(56px,11vw,150px);line-height:.98;letter-spacing:.01em}
.phero-status{margin-top:18px;font-family:"Oswald",sans-serif;font-size:12.5px;letter-spacing:.14em;color:var(--blue)}
.phero-status .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:8px;vertical-align:1.5px;animation:dotpulse 2.4s ease-in-out infinite}
@keyframes dotpulse{0%,100%{opacity:1}50%{opacity:.3}}

/* セクション共通 */
.sec{padding:clamp(72px,10vw,130px) 0}
.eyebrow{font-family:"Oswald",sans-serif;font-weight:500;letter-spacing:.32em;font-size:12px;color:var(--blue)}
.h-lead{font-weight:900;font-size:clamp(28px,4.6vw,52px);letter-spacing:.02em;line-height:1.3;margin-top:14px}
.lead{max-width:640px;margin-top:24px;font-size:15px;line-height:2.1;color:#b9b9bf}
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.tmask{display:inline-block;overflow:hidden;vertical-align:bottom}
.tmask>span{display:inline-block;transform:translateY(112%);transition:transform 1.1s var(--ease)}
.reveal.in .tmask>span{transform:translateY(0)}

/* フォトグリッド */
.pgal{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.6vw,20px)}
.pgal figure{border-radius:var(--r);overflow:hidden;position:relative}
.pgal img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),filter .8s var(--ease);filter:saturate(.85)}
.pgal figure:hover img{transform:scale(1.04);filter:saturate(1)}
.g5{grid-column:span 5;aspect-ratio:3/4}
.g7{grid-column:span 7;aspect-ratio:16/10}
.g12{grid-column:span 12;aspect-ratio:21/9}
@media(max-width:760px){.g5,.g7,.g12{grid-column:span 12;aspect-ratio:16/10}}

/* スペック */
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,18px);margin-top:clamp(36px,5vw,56px)}
@media(max-width:860px){.specs{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.specs{grid-template-columns:1fr}}
.spec{border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,30px);background:var(--ink-soft);transition:border-color .5s}
.spec:hover{border-color:rgba(43,92,255,.5)}
.spec dt{font-family:"Oswald",sans-serif;font-size:11px;letter-spacing:.26em;color:#8a8a90}
.spec dd{margin-top:12px;font-weight:700;font-size:clamp(17px,1.8vw,21px);letter-spacing:.02em}

/* 価格プラン帯 */
.plan{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(40px,6vw,64px) 0;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:28px}
.plan-price{font-family:"Anton",sans-serif;font-size:clamp(40px,6vw,76px);line-height:1}
.plan-price em{font-style:normal;font-size:.4em;letter-spacing:.04em;margin-left:6px}
.plan-note{font-size:13px;line-height:1.9;color:#9a9aa2;max-width:420px}

/* 他の邸宅 */
.others{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,2vw,24px)}
@media(max-width:720px){.others{grid-template-columns:1fr}}
.other{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;display:block}
.other img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.other:hover img{transform:scale(1.05)}
.other::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.55))}
.other-name{position:absolute;left:22px;bottom:20px;z-index:2;font-family:"Anton",sans-serif;font-size:clamp(24px,3vw,36px);letter-spacing:.02em}
.other-loc{position:absolute;left:23px;bottom:64px;z-index:2;font-family:"Oswald",sans-serif;font-size:11px;letter-spacing:.28em;color:rgba(255,255,255,.85)}

/* CTA帯・フッター */
.cta-band{text-align:center;padding:clamp(64px,9vw,110px) 0}
.cta-band .pill{font-size:14.5px;padding:16px 40px}
.ft{background:#070708;padding:44px 0 56px;position:relative;overflow:hidden}
.ft-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center}
.ft-brand{font-family:"Anton",sans-serif;font-size:30px;letter-spacing:.14em}
.ft-links{display:flex;gap:26px;flex-wrap:wrap}
.ft-links a{font-size:13px;color:#c8c8ce}
.ft-links a:hover{color:#fff}
.disclaimer{margin-top:22px;font-size:11.5px;color:#55555c;line-height:1.7}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{transition:none;opacity:1;transform:none}
  .tmask>span{transition:none;transform:none}
  .phero-status .dot{animation:none}
  .pgal img,.other img{transition:none}
}