:root{
  --bg:#f7f4ef; --paper:#fffdf9; --ink:#2a2724; --sub:#6b645c; --line:#e3ddd3;
  --accent:#a8693f; --accent-d:#8a532f; --dark:#2f3437; --soft:#efe8de;
  --serif:"Zen Old Mincho",serif; --sans:"Zen Kaku Gothic New",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.todo{background:#fff3c4;color:#7a5a00;font-size:.75em;padding:1px 6px;border-radius:3px;font-weight:700;letter-spacing:0;white-space:nowrap}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(247,244,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--serif);font-size:1.35rem;font-weight:700;text-decoration:none;letter-spacing:.12em}
.logo small{display:block;font-family:var(--sans);font-size:.62rem;color:var(--sub);letter-spacing:.08em;font-weight:400;line-height:1}
nav ul{display:flex;gap:28px;list-style:none;font-size:.88rem}
nav a{text-decoration:none}
nav a:hover{color:var(--accent)}
.nav-cta{background:var(--accent);color:#fff!important;padding:8px 18px;border-radius:999px}
@media(max-width:860px){nav ul li:not(:last-child){display:none}}

/* hero */
.hero{padding:56px 0 72px}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.eyebrow{font-size:.8rem;color:var(--accent);letter-spacing:.2em;font-weight:700}
.hero h1 span{display:inline-block;white-space:nowrap}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(1.6rem,2.9vw,2.5rem);line-height:1.45;margin:14px 0 22px;letter-spacing:.06em}
.hero p.lead{color:var(--sub);font-size:1rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 30px}
.chip{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px 14px;font-size:.82rem}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;padding:14px 28px;border-radius:999px;font-weight:700;font-size:.95rem;transition:.2s}
.btn-main{background:var(--accent);color:#fff}
.btn-main:hover{background:var(--accent-d)}
.btn-ghost{border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:28px}.hero{padding-top:24px}.hero-photo{order:-1}}

/* composite photo */
.photo-frame{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(40,30,20,.45)}
.comp{position:relative;width:100%;aspect-ratio:1174/880;overflow:hidden}
.comp>img.base{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.92) brightness(1.02)}
.comp .tone{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,214,170,.10),rgba(255,170,100,.12));mix-blend-mode:soft-light;pointer-events:none}
.win{position:absolute;left:0;top:0;transform-origin:0 0;overflow:hidden;background:#3a2c22}
.win img{width:100%;height:100%;object-fit:cover;filter:brightness(.86) contrast(1.06) saturate(1.08) sepia(.08)}
.win::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(255,196,130,.35),rgba(255,170,90,.12) 60%,rgba(255,150,80,.25));mix-blend-mode:soft-light}
.win::after{content:"";position:absolute;inset:0;z-index:3;
  background:
   linear-gradient(115deg,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 28%,rgba(255,255,255,0) 62%,rgba(255,255,255,.12) 70%,rgba(255,255,255,0) 78%),
   linear-gradient(90deg,transparent calc(50% - 2px),#4a4f52 calc(50% - 2px),#4a4f52 calc(50% + 2px),transparent calc(50% + 2px));
  box-shadow:inset 0 0 0 5px #4a4f52, inset 0 12px 0 5px #5d6366, inset 0 40px 40px -10px rgba(0,0,0,.35);}
.img-note{position:absolute;right:10px;bottom:6px;font-size:10px;color:rgba(255,255,255,.75);text-shadow:0 0 3px rgba(0,0,0,.6);letter-spacing:0}
.photo-cap{font-size:.78rem;color:var(--sub);margin-top:10px}

/* sections */
section{padding:88px 0}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head .en{font-size:.75rem;letter-spacing:.3em;color:var(--accent);font-weight:700}
.sec-head h2{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);margin-top:8px;line-height:1.5}
.sec-head p{color:var(--sub);margin-top:12px}

.greeting{background:var(--paper)}
.greet-box{max-width:760px;margin:0 auto;text-align:center}
.greet-box h2{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.8rem);line-height:1.7;margin-bottom:24px}
.greet-box p{color:var(--sub);margin-bottom:1em}

.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.about-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:28px}
.about-card .num{font-family:var(--serif);font-size:2rem;color:var(--accent);line-height:1}
.about-card h3{font-size:1.05rem;margin:12px 0 8px}
.about-card p{font-size:.9rem;color:var(--sub)}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}}

.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.g{position:relative;border-radius:12px;overflow:hidden;background:#ddd}
.g img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.g:hover img{transform:scale(1.04)}
.g figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 10px;color:#fff;font-size:.85rem;background:linear-gradient(transparent,rgba(0,0,0,.55))}
.g1{grid-column:span 7;height:460px}.g2{grid-column:span 5;height:460px}
.g3,.g4,.g5,.g6{grid-column:span 3;height:300px}
@media(max-width:860px){.gallery{grid-template-columns:repeat(2,1fr)}.g1,.g2,.g3,.g4,.g5,.g6{grid-column:span 1;height:220px}.g1{grid-column:span 2}}
.gal-note{text-align:center;font-size:.82rem;color:var(--sub);margin-top:16px}

.points{background:var(--dark);color:#f3efe8}
.points .sec-head h2,.points .sec-head p{color:#f3efe8}
.pt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pt{display:flex;gap:18px;padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:14px}
.pt .ic{flex:0 0 44px;height:44px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-family:var(--serif);font-weight:700}
.pt h3{font-size:1.02rem;margin-bottom:4px}
.pt p{font-size:.88rem;color:#cfc8bd}
@media(max-width:860px){.pt-grid{grid-template-columns:1fr}}

.persona{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.persona ul{list-style:none}
.persona li{padding:14px 0 14px 34px;border-bottom:1px dashed var(--line);position:relative}
.persona li::before{content:"✓";position:absolute;left:4px;color:var(--accent);font-weight:700}
@media(max-width:860px){.persona{grid-template-columns:1fr}}

.owner{background:var(--soft)}
.owner-box{max-width:820px;margin:0 auto;background:var(--paper);border-radius:18px;padding:56px;position:relative}
.owner-box h2{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.75rem);line-height:1.7;margin-bottom:24px}
.owner-box p{margin-bottom:1.1em}
.owner-box .sign{text-align:right;font-family:var(--serif);color:var(--sub);margin-top:24px}
@media(max-width:600px){.owner-box{padding:32px 22px}}

table.spec{width:100%;border-collapse:collapse;background:var(--paper);border-radius:14px;overflow:hidden}
.spec th,.spec td{padding:16px 20px;border-bottom:1px solid var(--line);text-align:left;font-size:.92rem;vertical-align:top}
.spec th{width:30%;background:#f1ece4;font-weight:500}
.updated{text-align:right;font-size:.8rem;color:var(--sub);margin-top:10px}
.spec-cta{text-align:center;margin-top:32px}

.others{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.oc{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px}
.oc .st{display:inline-block;font-size:.75rem;padding:2px 10px;border-radius:999px;margin-bottom:10px;font-weight:700}
.st.open{background:#e9f3ea;color:#2e6b37}.st.full{background:#eee;color:#666}
.oc h3{font-size:1.02rem;margin-bottom:6px}
.oc p{font-size:.88rem;color:var(--sub)}
.oc.main{border:2px solid var(--accent)}
@media(max-width:860px){.others{grid-template-columns:1fr}}

.faq{max-width:820px;margin:0 auto}
details{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
summary{cursor:pointer;padding:20px 24px;font-weight:700;list-style:none;position:relative;padding-right:52px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:24px;top:16px;font-size:1.4rem;color:var(--accent)}
details[open] summary::after{content:"−"}
details .a{padding:0 24px 22px;color:var(--sub);font-size:.93rem}

.contact{background:var(--paper)}
.form{max-width:640px;margin:0 auto}
.form label{display:block;font-weight:700;font-size:.9rem;margin:20px 0 8px}
.form label .req{background:var(--accent);color:#fff;font-size:.7rem;padding:1px 8px;border-radius:3px;margin-left:8px}
.form input,.form select,.form textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.form textarea{min-height:150px}
.form .note{font-size:.8rem;color:var(--sub);margin-top:16px}
.form button{margin-top:28px;width:100%;border:0;cursor:pointer}

footer{background:var(--dark);color:#cfc8bd;padding:56px 0 32px;font-size:.88rem}
.ft{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
footer .logo{color:#fff}
footer dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin-top:14px}
footer dt{color:#9c958b}
.copy{text-align:center;margin-top:40px;font-size:.75rem;color:#8d867c}

/* mockup banner */
.mock{background:#2a2724;color:#ffe9a8;text-align:center;font-size:.78rem;padding:6px 12px;letter-spacing:0}
/* --- production additions --- */
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .ts{margin-top:20px;min-height:65px}
.form-status{margin-top:16px;padding:14px 16px;border-radius:10px;font-size:.92rem;display:none}
.form-status.ok{display:block;background:#e9f3ea;color:#2e6b37}
.form-status.ng{display:block;background:#fbeaea;color:#8a2c2c}
.form button[disabled]{opacity:.6;cursor:wait}
.page{padding:64px 0 96px}
.page h1{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2rem);margin-bottom:32px}
.page h2{font-size:1.1rem;margin:36px 0 10px;padding-left:12px;border-left:4px solid var(--accent)}
.page p,.page li{color:var(--ink);font-size:.95rem}
.page ul{padding-left:1.4em;margin:8px 0}
.page .date{margin-top:40px;text-align:right;color:var(--sub);font-size:.88rem}
.narrow{max-width:820px}