: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}}
/* 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}
/* 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)}

/* ---- 無限の氣メソッド additions ---- */
:root{--white:#f7f4ec;--inkt:#1b1812}
.brand small{letter-spacing:.3em}
.brand b{display:flex;align-items:center;gap:8px}
.brand b i{font-style:normal;color:var(--gold2);font-size:24px;line-height:1}
.nav{gap:18px}.nav a{font-size:13px}
@media(max-width:1180px){
 .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;max-height:calc(100vh - 70px);overflow:auto}
 .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}
}
/* white sections */
.sec.white{background:var(--white);color:var(--inkt)}
.sec.white .mute{color:#6b6352}.sec.white .gold{color:#9a7630}.sec.white .eyebrow{color:#9a7630}
.sec.white .rule{background:#b28a3e}
.sec.white .card{background:#fff;border-color:rgba(154,118,48,.3);color:var(--inkt);box-shadow:0 10px 30px rgba(60,45,10,.06)}
.sec.white .card h3{color:#8a6a2a}.sec.white .checks li{border-color:rgba(154,118,48,.2)}
.sec.white a.card{color:var(--inkt)}
/* hero with infinity */
.hero.ki{min-height:92vh;background:radial-gradient(ellipse at 70% 40%,rgba(201,164,92,.22),transparent 55%),radial-gradient(ellipse at 20% 90%,rgba(201,164,92,.10),transparent 50%),var(--ink)}
.hero.ki::after{display:none}
.hero.ki .hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-photo{position:relative}
.hero-photo img{width:100%;max-width:440px;margin-left:auto;border:1px solid var(--line);-webkit-mask-image:linear-gradient(180deg,#000 70%,transparent);mask-image:linear-gradient(180deg,#000 70%,transparent)}
.hero-photo .inf{position:absolute;left:-22%;bottom:4%;width:130%;pointer-events:none;mix-blend-mode:screen}
.hero .catch{font-family:var(--serif);font-size:clamp(17px,2vw,21px);color:var(--gold2);letter-spacing:.1em;margin:0 0 6px}
.hero h1.big{font-size:clamp(30px,4.6vw,54px)}
@media(max-width:860px){.hero.ki .hero-in{grid-template-columns:1fr}.hero-photo img{max-width:320px;margin:0 auto}.hero.ki{min-height:auto}}
/* infinity svg */
svg.inf{display:block;overflow:visible}
svg.inf .base{fill:none;stroke:rgba(230,207,152,.45);stroke-width:1.4;stroke-linejoin:round}
svg.inf .flow{fill:none;stroke:#f6e2a8;stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:140 360;animation:flow 6s linear infinite;filter:drop-shadow(0 0 6px rgba(230,207,152,.9))}
svg.inf .flow.b{animation-delay:-3s;stroke-dasharray:60 440;stroke-width:2}
@keyframes flow{to{stroke-dashoffset:-500}}
@media(prefers-reduced-motion:reduce){svg.inf .flow{animation:none;stroke-dasharray:none}}
.inf-mark{display:block;width:120px;margin:0 auto 18px}
/* glow particles */
.sparks{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(2px 2px at 20% 30%,rgba(230,207,152,.8),transparent),radial-gradient(1.5px 1.5px at 70% 20%,rgba(230,207,152,.7),transparent),radial-gradient(2px 2px at 85% 70%,rgba(230,207,152,.6),transparent),radial-gradient(1.5px 1.5px at 40% 80%,rgba(230,207,152,.6),transparent),radial-gradient(1px 1px at 55% 50%,rgba(230,207,152,.8),transparent),radial-gradient(1.5px 1.5px at 10% 65%,rgba(230,207,152,.6),transparent);animation:twinkle 5s ease-in-out infinite alternate}
@keyframes twinkle{from{opacity:.4}to{opacity:1}}
/* cycle */
.cycle{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:20px}
.cycle div{text-align:center;padding:26px 10px;position:relative}
.cycle div b{display:flex;align-items:center;justify-content:center;width:96px;height:96px;margin:0 auto 14px;border-radius:50%;border:1px solid var(--gold);font-family:var(--serif);font-size:19px;color:var(--gold2);background:radial-gradient(circle,rgba(201,164,92,.18),transparent 70%);box-shadow:0 0 24px rgba(201,164,92,.18)}
.cycle div:last-child b{font-size:40px;background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--gold3));color:#14110a}
.cycle div:not(:last-child)::after{content:"→";position:absolute;right:-8px;top:58px;color:var(--gold)}
.cycle p{font-size:13.5px;margin:0}
.sec.white .cycle div b{color:#8a6a2a;border-color:#b28a3e}.sec.white .cycle div:last-child b{color:#14110a}
@media(max-width:760px){.cycle{grid-template-columns:1fr}.cycle div:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-10px;transform:translateX(-50%)}}
/* battery */
.battery{display:flex;align-items:center;gap:6px;max-width:420px;margin:28px auto 8px}
.battery .cell{flex:1;height:46px;border:2px solid var(--gold);border-radius:8px;padding:5px;position:relative}
.battery .cell::after{content:"";position:absolute;right:-10px;top:13px;width:6px;height:16px;background:var(--gold);border-radius:0 3px 3px 0}
.battery .lv{height:100%;width:12%;border-radius:4px;background:linear-gradient(90deg,var(--gold3),var(--gold2));animation:charge 4.5s ease-in-out infinite;box-shadow:0 0 14px rgba(230,207,152,.6)}
@keyframes charge{0%{width:12%}70%,100%{width:100%}}
@media(prefers-reduced-motion:reduce){.battery .lv{animation:none;width:100%}}
/* service cards */
.svc{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--ink3);text-decoration:none;color:var(--text);transition:.25s;overflow:hidden}
.svc:hover{border-color:var(--gold);transform:translateY(-3px)}
.svc img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9}
.svc div{padding:26px 26px 30px}
.svc h3{font-size:20px;color:var(--gold2);margin-bottom:10px}
.svc.main{grid-column:1/-1;flex-direction:row}
.svc.main img{width:52%;aspect-ratio:auto}
.svc.main div{padding:44px;display:flex;flex-direction:column;justify-content:center}
.svc.main h3{font-size:28px}
@media(max-width:860px){.svc.main{flex-direction:column}.svc.main img{width:100%}.svc.main div{padding:28px}}
.g4{grid-template-columns:repeat(4,1fr)}@media(max-width:980px){.g4{grid-template-columns:1fr 1fr}}@media(max-width:560px){.g4{grid-template-columns:1fr}}
/* line box */
.linebox{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;border:1px solid var(--gold);padding:36px;background:linear-gradient(135deg,rgba(201,164,92,.12),transparent 60%),var(--ink2);text-align:left}
.linebox img{width:150px;background:#fff;padding:6px}
.linebox h3{font-size:22px;color:var(--gold2);margin-bottom:10px}
@media(max-width:640px){.linebox{grid-template-columns:1fr;text-align:center}.linebox img{display:none}.linebox .btns{justify-content:center}}
.btn-lineapp{color:#fff;background:#06c755;border-color:#06c755;font-weight:600}.btn-lineapp:hover{filter:brightness(1.06)}
/* disclaimer */
.disc{border:1px solid rgba(201,164,92,.25);padding:18px 22px;font-size:13px;color:var(--mute);line-height:1.9;margin-top:36px}
.sec.white .disc{color:#6b6352;border-color:rgba(154,118,48,.3)}
/* outbound */
.out{display:flex;gap:22px;align-items:center;border:1px solid var(--line);padding:26px;background:var(--ink3);text-decoration:none;color:var(--text);transition:.25s}
.out:hover{border-color:var(--gold)}
.out img{width:120px;height:120px;object-fit:cover;flex:none}
.out h3{font-size:18px;color:var(--gold2);margin-bottom:6px}
.out .ext{font-size:12px;color:var(--gold);letter-spacing:.1em}
@media(max-width:560px){.out{flex-direction:column;align-items:flex-start}.out img{width:100%;height:160px}}
.fab{gap:0}
@media(max-width:720px){.fabs{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:60;gap:8px}.fabs .btn{flex:1;padding:12px 8px;font-size:14px;min-height:50px;letter-spacing:.06em;box-shadow:0 8px 24px rgba(0,0,0,.6)}body{padding-bottom:76px}}
@media(min-width:721px){.fabs{display:none}}
.kw{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:20px 0}
.kw span{font-family:var(--serif);font-size:20px;border:1px solid var(--line);padding:8px 18px;color:var(--gold2)}
.sec.white .kw span{color:#8a6a2a;border-color:rgba(154,118,48,.35)}
.five .card .num{font-size:24px;letter-spacing:0}
.vids{margin-top:36px}.vid{margin:0}.vid-box{position:relative;aspect-ratio:16/9;border:1px solid var(--line);background:#000;box-shadow:0 0 30px rgba(230,207,152,.12)}.vid-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.vid figcaption{margin-top:12px;font-family:var(--serif);color:var(--gold);text-align:center;font-size:15px}
@media(max-width:760px){.vids{grid-template-columns:1fr}}