:root{--ink:#0a0a0b;--ink2:#121214;--ink3:#1a1a1d;--line:rgba(201,164,92,.28);--gold:#c9a45c;--gold2:#e6cf98;--gold3:#8a6d34;--text:#e9e4d8;--mute:#a8a192;--serif:"Shippori Mincho","Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;--sans:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.95;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:var(--gold2)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}.narrow{max-width:780px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.5;letter-spacing:.08em;margin:0}
/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1240px;margin:0 auto;padding:12px 24px}
.brand{text-decoration:none;color:var(--text);display:flex;flex-direction:column;line-height:1.3}
.brand small{font-size:11px;color:var(--gold);letter-spacing:.2em}
.brand b{font-family:var(--serif);font-size:20px;letter-spacing:.12em;font-weight:600}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--text);text-decoration:none;font-size:13.5px;letter-spacing:.08em;white-space:nowrap;padding:4px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a.on{color:var(--gold2);border-color:var(--gold)}
.nav a.btn-cta{border:1px solid var(--gold);padding:8px 16px;color:var(--ink);background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--gold3))}
.menu-tg,.menu-btn{display:none}
@media(max-width:1080px){
 .menu-btn{display:block;cursor:pointer;width:44px;height:44px;position:relative}
 .menu-btn span,.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:10px;width:24px;height:1px;background:var(--gold2)}
 .menu-btn span{top:22px}.menu-btn span::before{left:0;top:-7px}.menu-btn span::after{left:0;top:7px}
 .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--ink);border-bottom:1px solid var(--line);padding:8px 24px 24px}
 .nav a{padding:14px 0;border-bottom:1px solid rgba(201,164,92,.12);font-size:15px}
 .nav a.btn-cta{text-align:center;margin-top:16px}
 .menu-tg:checked~.nav{display:flex}
}
/* type */
.eyebrow{display:block;font-family:var(--serif);color:var(--gold);font-size:13px;letter-spacing:.35em;margin-bottom:14px}
.ttl{font-size:clamp(24px,3.4vw,36px);margin-bottom:28px}
.ttl.center,.center{text-align:center}
.gold{color:var(--gold2)}
.rule{width:56px;height:1px;background:var(--gold);margin:0 0 28px;border:0}
.center .rule,.rule.c{margin-left:auto;margin-right:auto}
.lead{font-family:var(--serif);font-size:clamp(17px,2vw,20px);line-height:2.1}
.mute{color:var(--mute)}.small{font-size:13px}
p{margin:0 0 1.2em}
/* sections */
.sec{padding:110px 0;position:relative}
.sec.alt{background:var(--ink2)}
.sec.paper{background:radial-gradient(ellipse at top,rgba(201,164,92,.10),transparent 60%),var(--ink2)}
.sec+.sec{border-top:1px solid rgba(201,164,92,.12)}
@media(max-width:720px){.sec{padding:72px 0}}
/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right;filter:saturate(.85)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,10,11,.96) 0%,rgba(10,10,11,.82) 42%,rgba(10,10,11,.35) 100%)}
.hero-in{position:relative;z-index:2;padding:80px 24px;max-width:1120px;margin:0 auto;width:100%}
.hero h1{font-size:clamp(30px,5.2vw,58px);letter-spacing:.12em;margin:10px 0 26px;line-height:1.45}
.hero h1 em{font-style:normal;background:linear-gradient(180deg,var(--gold2),var(--gold) 60%,var(--gold3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:560px;color:#ddd5c4}
.page-hero{padding:120px 0 80px;text-align:center;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at center top,rgba(201,164,92,.16),transparent 65%),var(--ink)}
.page-hero h1{font-size:clamp(28px,4.4vw,46px)}
.page-hero p{margin:22px auto 0;max-width:640px;color:#d6cfbf;font-family:var(--serif)}
/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.center .btns,.btns.c{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 34px;min-height:54px;text-decoration:none;font-family:var(--serif);letter-spacing:.14em;font-size:15.5px;border:1px solid var(--gold);transition:.25s}
.btn-gold{color:#14110a;background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--gold3));font-weight:600}
.btn-gold:hover{filter:brightness(1.08)}
.btn-line{color:var(--gold2);background:transparent}.btn-line:hover{background:rgba(201,164,92,.1)}
/* grid & cards */
.grid{display:grid;gap:28px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.g2,.g3{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev>:first-child{order:2}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}.split.rev>:first-child{order:0}}
.frame{position:relative;padding:12px;border:1px solid var(--line)}
.frame::before{content:"";position:absolute;inset:-1px;border:1px solid transparent;border-image:linear-gradient(135deg,var(--gold),transparent 40%,transparent 60%,var(--gold)) 1;pointer-events:none}
.card{background:linear-gradient(180deg,var(--ink3),var(--ink2));border:1px solid var(--line);padding:36px 30px;position:relative}
.card h3{font-size:19px;margin-bottom:14px;color:var(--gold2)}
.card .num{font-family:var(--serif);color:var(--gold);font-size:13px;letter-spacing:.3em;display:block;margin-bottom:10px}
.card p:last-child{margin-bottom:0}
a.card{display:block;text-decoration:none;color:var(--text);transition:.25s}a.card:hover{border-color:var(--gold);transform:translateY(-2px)}
.more{display:inline-block;margin-top:14px;color:var(--gold);font-family:var(--serif);font-size:14px;letter-spacing:.12em}
/* pillars on home */
.pillar{position:relative;overflow:hidden;border:1px solid var(--line);min-height:460px;display:flex;align-items:flex-end;text-decoration:none;color:var(--text)}
.pillar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:.5s}
.pillar:hover img{opacity:.7;transform:scale(1.03)}
.pillar::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,10,11,.97) 25%,rgba(10,10,11,.2))}
.pillar div{position:relative;z-index:2;padding:36px}
.pillar h3{font-size:26px;margin:4px 0 14px}
/* lists */
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding:14px 0 14px 34px;border-bottom:1px solid rgba(201,164,92,.14);font-family:var(--serif)}
.checks li::before{content:"";position:absolute;left:4px;top:24px;width:12px;height:12px;border:1px solid var(--gold);transform:rotate(45deg)}
.quote{font-family:var(--serif);font-size:clamp(20px,2.6vw,28px);line-height:1.9;text-align:center;color:var(--gold2)}
/* chain */
.chain{display:flex;align-items:stretch;justify-content:center;gap:0;flex-wrap:wrap}
.chain div{flex:1;min-width:180px;text-align:center;padding:28px 18px;border:1px solid var(--line);background:var(--ink3)}
.chain div b{display:block;font-family:var(--serif);color:var(--gold2);font-size:20px;margin-bottom:6px}
.chain i{display:flex;align-items:center;padding:0 10px;color:var(--gold);font-style:normal}
@media(max-width:720px){.chain{flex-direction:column}.chain i{justify-content:center;padding:6px 0}}
/* price */
.price{border:1px solid var(--line);background:var(--ink3);padding:34px 30px;display:flex;flex-direction:column}
.price.feat{border-color:var(--gold);box-shadow:0 0 0 1px rgba(201,164,92,.25) inset}
.price h3{font-size:21px;color:var(--gold2);margin-bottom:6px}
.price .amt{font-family:var(--serif);font-size:30px;color:var(--text);margin:14px 0 6px;letter-spacing:.06em}
.price .amt small{font-size:14px;color:var(--mute)}
.tag{display:inline-block;font-size:11.5px;letter-spacing:.15em;padding:3px 10px;border:1px solid var(--gold);color:var(--gold2);margin-bottom:12px}
table.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{border-bottom:1px solid rgba(201,164,92,.18);padding:16px 12px;text-align:left;vertical-align:top}
.tbl th{width:30%;color:var(--gold2);font-family:var(--serif);font-weight:600}
/* to-confirm markers: remove each before publishing */
.tbc{border:1px dashed #d9894a;background:rgba(217,137,74,.08);color:#f0c9a8;padding:14px 18px;font-size:14px;line-height:1.8;margin:16px 0}
.tbc::before{content:"【要確認】";font-weight:700;color:#f3a56b;margin-right:4px}
span.tbc{display:inline;padding:2px 8px;margin:0}
/* flow */
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:0 0 46px 92px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-4px;width:62px;height:62px;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--serif);color:var(--gold2);font-size:20px;background:var(--ink)}
.steps li::after{content:"";position:absolute;left:31px;top:62px;bottom:4px;width:1px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{font-size:20px;margin-bottom:8px;color:var(--text)}
/* faq */
details{border-bottom:1px solid var(--line);padding:6px 0}
summary{cursor:pointer;list-style:none;padding:18px 40px 18px 44px;position:relative;font-family:var(--serif);font-size:17px}
summary::-webkit-details-marker{display:none}
summary::before{content:"Q";position:absolute;left:4px;top:15px;color:var(--gold);font-size:22px;font-family:var(--serif)}
summary::after{content:"+";position:absolute;right:8px;top:14px;color:var(--gold);font-size:22px}
details[open] summary::after{content:"−"}
details p{padding:0 8px 18px 44px;color:#d6cfbf}
/* voice */
.voice{border:1px solid var(--line);background:var(--ink3);padding:44px 40px;position:relative}
.voice::before{content:"“";position:absolute;top:-10px;left:24px;font-family:var(--serif);font-size:90px;color:var(--gold);line-height:1}
.voice h3{color:var(--gold2);font-size:20px;margin-bottom:20px}
@media(max-width:720px){.voice{padding:36px 22px}}
/* cta band */
.cta{padding:110px 0;text-align:center;background:radial-gradient(ellipse at center,rgba(201,164,92,.18),transparent 70%),var(--ink);border-top:1px solid var(--line)}
.cta h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:22px}
.cta .tel{font-family:var(--serif);font-size:22px;margin-top:26px;letter-spacing:.1em}
.cta .tel a{color:var(--text);text-decoration:none}
/* footer */
.ft{border-top:1px solid var(--line);background:#060607;padding:64px 0 30px;font-size:14px}
.ft-in{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}
.ft nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.ft nav a{color:var(--mute);text-decoration:none}.ft nav a:hover{color:var(--gold2)}
.ft .copy{text-align:center;color:#6d6759;font-size:12px;margin-top:48px}
@media(max-width:720px){.ft-in{grid-template-columns:1fr}}
.fab{display:none}
@media(max-width:720px){.fab{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.6)}body{padding-bottom:78px}}
.note{font-size:13px;color:var(--mute);line-height:1.8}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.badge-row span{border:1px solid var(--line);padding:6px 14px;font-size:13px;color:var(--gold2);font-family:var(--serif)}