/* =========================================================
   KING REON  ―  案A「MONOLITH」 シネマティック / ブランド訴求型
   ========================================================= */

:root{
  --black:#111111;
  --charcoal:#1D1D1F;
  --charcoal-2:#171719;
  --white:#F5F5F5;
  --gold:#C8A45D;
  --gold-dim:#8f7440;
  --red:#B8232F;
  --grey:#8B8F94;
  --line:rgba(200,164,93,.28);
  --line-soft:rgba(245,245,245,.10);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--black);
  color:var(--white);
  font-family:"Zen Kaku Gothic New","Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size:15px;
  line-height:1.9;
  letter-spacing:.04em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}

/* --- typography helpers --- */
.mincho{font-family:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500}
.en{font-family:"Cormorant Garamond","Times New Roman",serif;letter-spacing:.22em}
.en-s{font-family:"Jost",-apple-system,"Segoe UI",sans-serif;letter-spacing:.28em;text-transform:uppercase}

.wrap{width:min(100% - 44px,var(--maxw));margin-inline:auto}
.wrap-wide{width:min(100% - 44px,1480px);margin-inline:auto}

/* =============== HEADER =============== */
.hd{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;gap:24px;
  padding:20px clamp(20px,4vw,44px);
  transition:background .45s var(--ease),padding .45s var(--ease),border-color .45s;
  border-bottom:1px solid transparent;
}
.hd.is-stuck{background:rgba(17,17,17,.9);backdrop-filter:blur(14px);padding-block:12px;border-bottom-color:var(--line)}
.hd__logo{display:flex;flex-direction:column;line-height:1;margin-right:auto}
.hd__logo b{font-family:"Jost",sans-serif;font-weight:500;font-size:19px;letter-spacing:.34em;text-transform:uppercase}
.hd__logo small{font-size:10px;letter-spacing:.24em;color:var(--grey);margin-top:6px}
.hd__nav{display:flex;gap:30px}
.hd__nav a{font-size:12px;letter-spacing:.16em;color:rgba(245,245,245,.72);transition:color .3s;position:relative;padding-block:4px}
.hd__nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .35s var(--ease)}
.hd__nav a:hover{color:var(--white)}
.hd__nav a:hover::after{width:100%}
.hd__cta{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--gold);color:var(--gold);
  padding:11px 22px;font-size:12px;letter-spacing:.14em;white-space:nowrap;
  transition:background .35s var(--ease),color .35s var(--ease);
}
.hd__cta:hover{background:var(--gold);color:var(--black)}
.hd__tel{font-family:"Jost",sans-serif;font-size:15px;letter-spacing:.06em;color:var(--white)}
.hd__tel span{display:block;font-size:9px;letter-spacing:.2em;color:var(--grey)}

/* =============== HERO =============== */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 58%;animation:heroZoom 18s var(--ease) forwards}
@keyframes heroZoom{from{transform:scale(1.1)}to{transform:scale(1)}}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to top,rgba(17,17,17,.97) 0%,rgba(17,17,17,.55) 38%,rgba(17,17,17,.25) 62%,rgba(17,17,17,.72) 100%),
    linear-gradient(to right,rgba(17,17,17,.8) 0%,rgba(17,17,17,0) 55%);
}
.hero__inner{position:relative;z-index:2;padding-bottom:clamp(120px,14vh,180px);padding-top:160px}
.hero__eyebrow{display:flex;align-items:center;gap:14px;font-size:11px;color:var(--gold);margin-bottom:26px}
.hero__eyebrow::before{content:"";width:52px;height:1px;background:var(--gold)}
.hero h1{
  font-size:clamp(30px,5.6vw,66px);line-height:1.42;letter-spacing:.03em;font-weight:500;
  text-shadow:0 4px 40px rgba(0,0,0,.6);
}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero__lead{margin-top:26px;max-width:42em;color:rgba(245,245,245,.82);font-size:clamp(13px,1.5vw,16px)}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero__scroll{position:absolute;left:clamp(20px,4vw,44px);bottom:32px;z-index:2;font-size:9px;letter-spacing:.3em;color:var(--grey);display:flex;align-items:center;gap:12px}
.hero__scroll::after{content:"";width:60px;height:1px;background:linear-gradient(90deg,var(--gold),transparent);animation:scrollLine 2.2s infinite}
@keyframes scrollLine{0%,100%{opacity:.25;width:30px}50%{opacity:1;width:70px}}

/* =============== BUTTONS =============== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:17px 34px;font-size:13px;letter-spacing:.12em;font-weight:500;
  border:1px solid transparent;position:relative;overflow:hidden;
  transition:color .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease);
}
.btn span{position:relative;z-index:2}
.btn--gold{background:var(--gold);color:#0d0d0d;border-color:var(--gold)}
.btn--gold::before{content:"";position:absolute;inset:0;background:var(--white);transform:translateY(101%);transition:transform .45s var(--ease)}
.btn--gold:hover::before{transform:translateY(0)}
.btn--ghost{border-color:rgba(245,245,245,.34);color:var(--white)}
.btn--ghost::before{content:"";position:absolute;inset:0;background:var(--white);transform:translateY(101%);transition:transform .45s var(--ease)}
.btn--ghost:hover{color:var(--black);border-color:var(--white)}
.btn--ghost:hover::before{transform:translateY(0)}
.btn__arw{width:16px;height:1px;background:currentColor;position:relative;z-index:2;flex:none}
.btn__arw::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}

/* =============== TRUST BAR =============== */
.trust{border-block:1px solid var(--line);background:var(--charcoal)}
.trust__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust__i{padding:34px 26px;border-left:1px solid var(--line-soft);text-align:center}
.trust__i:first-child{border-left:0}
.trust__i b{display:block;font-family:"Jost",sans-serif;font-size:clamp(20px,2.4vw,30px);color:var(--gold);letter-spacing:.08em;line-height:1.3}
.trust__i span{display:block;font-size:11.5px;color:var(--grey);margin-top:9px;letter-spacing:.1em}

/* =============== SECTION FRAME =============== */
.sec{padding-block:clamp(84px,11vw,150px);position:relative}
.sec--alt{background:var(--charcoal-2)}
.shead{margin-bottom:clamp(40px,5vw,66px)}
.shead__no{font-family:"Jost",sans-serif;font-size:11px;letter-spacing:.34em;color:var(--gold);display:flex;align-items:center;gap:14px}
.shead__no::after{content:"";flex:1;max-width:90px;height:1px;background:var(--line)}
.shead h2{font-size:clamp(24px,3.6vw,42px);line-height:1.5;margin-top:18px;font-weight:500}
.shead p{margin-top:20px;color:rgba(245,245,245,.6);max-width:52em;font-size:14px}

/* =============== CONCEPT =============== */
.concept{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,72px);align-items:center}
.concept__fig{position:relative;aspect-ratio:4/5;overflow:hidden}
.concept__fig img{width:100%;height:100%;object-fit:cover}
.concept__fig::after{content:"";position:absolute;inset:14px;border:1px solid rgba(200,164,93,.4);pointer-events:none}
.concept__body h3{font-size:clamp(21px,2.8vw,34px);line-height:1.72;font-weight:500}
.concept__body h3 em{font-style:normal;color:var(--gold)}
.concept__body p{margin-top:26px;color:rgba(245,245,245,.72);font-size:14.5px}
.concept__sign{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.concept__sign small{display:block;font-size:11px;letter-spacing:.2em;color:var(--grey)}
.concept__sign b{font-size:17px;letter-spacing:.16em;font-weight:500}

/* =============== STYLE CARDS =============== */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,26px)}
.pcard{position:relative;overflow:hidden;background:var(--charcoal);min-height:440px;display:flex;flex-direction:column;justify-content:flex-end}
.pcard__img{position:absolute;inset:0}
.pcard__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);filter:brightness(.62)}
.pcard:hover .pcard__img img{transform:scale(1.07)}
.pcard__img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,10,.96),rgba(10,10,10,.15) 65%)}
.pcard__b{position:relative;z-index:2;padding:30px 28px 32px}
.pcard__b i{font-style:normal;font-family:"Jost",sans-serif;font-size:10px;letter-spacing:.3em;color:var(--gold)}
.pcard__b h3{font-size:19px;margin-top:12px;line-height:1.6;font-weight:500}
.pcard__b p{font-size:13px;color:rgba(245,245,245,.68);margin-top:12px}

/* =============== STOCK (goo-net band) =============== */
.goobox{border:1px solid var(--line);background:rgba(200,164,93,.045);padding:clamp(26px,3.6vw,46px);display:grid;grid-template-columns:1fr auto;gap:clamp(20px,3vw,40px);align-items:center}
.goobox__l i{font-style:normal;font-size:10px;color:var(--gold);display:block}
.goobox__l b{display:block;font-size:clamp(18px,2.4vw,27px);font-weight:500;margin-top:12px;line-height:1.5}
.goobox__l p{font-size:12.5px;color:var(--grey);margin-top:12px;line-height:1.85}
.center{text-align:center;margin-top:clamp(34px,4vw,52px)}

/* =============== WORKS =============== */
.works{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(14px,2vw,28px)}
.work{position:relative;overflow:hidden;aspect-ratio:16/10}
.work img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.work:hover img{transform:scale(1.06)}
.work__ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,10,.94),transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:28px}
.work__ov i{font-style:normal;font-size:10px;letter-spacing:.24em;color:var(--gold)}
.work__ov h3{font-size:18px;margin-top:9px;font-weight:500}
.work__ov p{font-size:12.5px;color:rgba(245,245,245,.68);margin-top:8px}

/* =============== SERVICE =============== */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(30px,5vw,70px)}
.svc li{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line-soft);align-items:baseline}
.svc li i{font-style:normal;font-family:"Jost",sans-serif;font-size:11px;color:var(--gold);letter-spacing:.14em}
.svc li b{font-size:15.5px;font-weight:500;display:block}
.svc li span{font-size:12.5px;color:var(--grey);display:block;margin-top:5px;line-height:1.8}

/* =============== FLOW =============== */
.flowsec{position:relative;overflow:hidden}
.flowsec__bg{position:absolute;inset:0;z-index:0}
.flowsec__bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.28)}
.flowsec__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(17,17,17,.96),rgba(17,17,17,.8))}
.flowsec>.wrap{position:relative;z-index:2}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.flow li{padding:0 20px;position:relative;border-top:1px solid var(--line);padding-top:28px}
.flow li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
.flow li i{font-style:normal;font-family:"Jost",sans-serif;font-size:26px;color:var(--gold);letter-spacing:.06em;line-height:1}
.flow li b{display:block;font-size:15px;margin-top:14px;font-weight:500}
.flow li p{font-size:12.5px;color:rgba(245,245,245,.62);margin-top:10px;line-height:1.85}
.flow li:first-child{padding-left:0}

/* =============== SHOP =============== */
.shop{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(28px,4.5vw,60px)}
.shop__map{position:relative;min-height:400px;border:1px solid var(--line-soft)}
.shop__map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(1) invert(.92) contrast(.86)}
.dl{border-top:1px solid var(--line)}
.dl div{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line-soft);font-size:13.5px;align-items:baseline}
.dl dt{color:var(--grey);font-size:11.5px;letter-spacing:.12em;margin:0}
.dl dd{margin:0;color:rgba(245,245,245,.92)}
.dl dd a{color:var(--gold);border-bottom:1px solid rgba(200,164,93,.4)}
.note{font-size:11px;color:var(--grey);line-height:1.85;margin-top:16px}
.note--gold{color:rgba(200,164,93,.72)}
.licence{margin-top:26px;border:1px dashed var(--line);padding:20px 22px;background:rgba(200,164,93,.04)}
.licence b{display:block;font-size:13px;letter-spacing:.1em;color:var(--gold)}
.licence p{font-size:11.5px;color:var(--grey);margin-top:8px;line-height:1.8}

/* =============== FAQ =============== */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 34px;position:relative;font-size:14.5px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:0;top:22px;font-family:"Jost",sans-serif;color:var(--gold);font-size:13px}
.faq summary::after{content:"";position:absolute;right:8px;top:31px;width:11px;height:1px;background:var(--gold);box-shadow:0 0 0 0 transparent;transition:transform .3s}
.faq summary .plus{position:absolute;right:8px;top:26px;width:11px;height:11px}
.faq summary .plus::before,.faq summary .plus::after{content:"";position:absolute;background:var(--gold);transition:transform .35s var(--ease)}
.faq summary .plus::before{left:0;top:5px;width:11px;height:1px}
.faq summary .plus::after{left:5px;top:0;width:1px;height:11px}
.faq details[open] summary .plus::after{transform:rotate(90deg) scaleX(0)}
.faq summary::after{display:none}
.faq details p{padding:0 40px 24px 34px;font-size:13.5px;color:rgba(245,245,245,.68)}

/* =============== CTA =============== */
.cta{background:linear-gradient(180deg,var(--charcoal) 0%,var(--black) 100%);border-top:1px solid var(--line);position:relative}
.cta__h{text-align:center;margin-bottom:clamp(36px,4.6vw,56px)}
.cta__h i{font-style:normal;font-family:"Jost",sans-serif;font-size:11px;letter-spacing:.32em;color:var(--gold)}
.cta__h h2{font-size:clamp(22px,3.2vw,36px);margin-top:16px;font-weight:500;line-height:1.55}
.cta__h p{margin-top:16px;color:var(--grey);font-size:13.5px}
.ctag{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,18px)}
.ctab{
  border:1px solid var(--line);background:rgba(245,245,245,.02);
  padding:30px 24px 28px;display:flex;flex-direction:column;gap:10px;
  transition:background .4s var(--ease),transform .4s var(--ease),border-color .4s;
  position:relative;overflow:hidden;
}
.ctab:hover{background:rgba(200,164,93,.09);transform:translateY(-4px);border-color:var(--gold)}
.ctab--primary{background:rgba(200,164,93,.11);border-color:var(--gold)}
.ctab i{font-style:normal;font-family:"Jost",sans-serif;font-size:10px;letter-spacing:.26em;color:var(--gold)}
.ctab b{font-size:17px;font-weight:500;letter-spacing:.06em}
.ctab span{font-size:12px;color:var(--grey);line-height:1.8}
.ctab em{font-style:normal;margin-top:auto;padding-top:14px;font-size:11px;letter-spacing:.18em;color:var(--gold);display:flex;align-items:center;gap:9px}
.ctab em::after{content:"";width:22px;height:1px;background:var(--gold)}

.contactbar{margin-top:clamp(32px,4vw,48px);border:1px solid var(--line);padding:clamp(26px,3.4vw,38px);display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;background:rgba(17,17,17,.55)}
.contactbar__l small{font-size:11px;letter-spacing:.2em;color:var(--grey);display:block}
.contactbar__l b{font-family:"Jost",sans-serif;font-size:clamp(26px,3.6vw,40px);letter-spacing:.05em;font-weight:400;display:block;margin-top:6px}
.contactbar__l p{font-size:12px;color:var(--grey);margin-top:8px}
.contactbar__r{display:flex;gap:12px;flex-wrap:wrap}

/* =============== FOOTER =============== */
.ft{background:var(--black);border-top:1px solid var(--line-soft);padding:clamp(46px,6vw,72px) 0 120px}
.ft__top{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid var(--line-soft)}
.ft__logo b{font-family:"Jost",sans-serif;font-size:20px;letter-spacing:.34em;display:block}
.ft__logo small{font-size:11px;color:var(--grey);letter-spacing:.16em;display:block;margin-top:10px;line-height:2}
.ft h4{font-size:11px;letter-spacing:.24em;color:var(--gold);margin-bottom:16px;font-weight:500}
.ft li{margin-bottom:9px}
.ft li a{font-size:12.5px;color:rgba(245,245,245,.66);transition:color .3s}
.ft li a:hover{color:var(--gold)}
.ft__bot{padding-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11px;color:var(--grey);letter-spacing:.08em}

/* =============== MOBILE STICKY CTA =============== */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:110;display:none;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);background:rgba(17,17,17,.96);backdrop-filter:blur(12px)}
.mbar a{padding:13px 6px;text-align:center;font-size:11px;letter-spacing:.08em;border-left:1px solid var(--line-soft);color:rgba(245,245,245,.9)}
.mbar a:first-child{border-left:0}
.mbar a.is-gold{background:var(--gold);color:#0d0d0d;font-weight:500}
.mbar a span{display:block;font-size:9px;letter-spacing:.16em;color:var(--grey);margin-bottom:3px}
.mbar a.is-gold span{color:rgba(0,0,0,.55)}

/* =============== REVEAL =============== */
.rv{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}

/* =============== DEMO RIBBON =============== */
.demo{position:fixed;top:0;left:0;z-index:200;background:var(--red);color:#fff;font-size:10px;letter-spacing:.14em;padding:5px 12px}
.demo a{color:#fff;border-bottom:1px solid rgba(255,255,255,.5)}

/* =============== RESPONSIVE =============== */
@media (max-width:1080px){
  .hd__nav{display:none}
  .concept{grid-template-columns:1fr}
  .concept__fig{aspect-ratio:16/10}
  .pcards{grid-template-columns:1fr 1fr}
  .goobox{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr 1fr}
  .flow li{padding-bottom:26px}
  .shop{grid-template-columns:1fr}
  .ctag{grid-template-columns:1fr 1fr}
  .ft__top{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:14px}
  .wrap,.wrap-wide{width:calc(100% - 34px)}
  .hd__tel{display:none}
  .hd__cta{padding:9px 15px;font-size:11px}
  .hd__logo b{font-size:17px}
  .trust__grid{grid-template-columns:1fr 1fr}
  .trust__i{padding:22px 14px;border-top:1px solid var(--line-soft)}
  .trust__i:nth-child(-n+2){border-top:0}
  .trust__i:nth-child(odd){border-left:0}
  .pcards,.works,.svc,.ctag{grid-template-columns:1fr}
  .goobox .btn{width:100%}
  .pcard{min-height:330px}
  .flow{grid-template-columns:1fr}
  .flow li{padding-left:0;padding-right:0}
  .contactbar{grid-template-columns:1fr}
  .contactbar__r .btn{flex:1}
  .ft__top{grid-template-columns:1fr}
  .mbar{display:grid}
  .hero__inner{padding-bottom:150px}
  .hero__btns .btn{flex:1;padding-inline:16px}
}

@media (max-width:560px){
  .hd__logo small{display:none}
  .hero__btns{flex-direction:column}
  .hero__btns .btn{width:100%}
}