:root{
  --bg:#08090a;
  --fg:#ecebe6;
  --mute:rgba(236,235,230,.5);
  --faint:rgba(236,235,230,.28);
  --line:rgba(236,235,230,.16);
  --amber:#d9b27c;
  --m:44px;
  --serif:"Instrument Serif",ui-serif,Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --ja:"Zen Kaku Gothic New",system-ui,sans-serif;
  --ease:cubic-bezier(.16,.8,0,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--ja);-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
a{color:inherit;text-decoration:none}
ol{list-style:none}
.k{color:var(--mute)}
.pc{display:inline}
::selection{background:var(--amber);color:var(--bg)}

/* ---------- 空（全ページ共通・固定） ---------- */
.sky{position:fixed;inset:0;overflow:hidden;z-index:0;background:radial-gradient(110% 80% at 74% 58%,#15171a 0%,#0b0c0e 46%,var(--bg) 75%);opacity:var(--sky,1)}
.trails{position:absolute;left:74%;top:58%;width:max(190vmax,1700px);height:max(190vmax,1700px);transform:translate(-50%,-50%);overflow:visible}
.trails circle{fill:none;stroke:var(--fg);opacity:var(--o);stroke-linecap:round}
.trails .pole{fill:var(--amber);stroke:none;opacity:1;filter:drop-shadow(0 0 6px var(--amber))}
.sweep{animation:sweep 3.2s var(--ease) both}
.spin{animation:spin 600s linear infinite;transform-origin:0 0}
.grain{position:absolute;inset:0;opacity:.06;mix-blend-mode:screen;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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- ヘッダー ---------- */
.top{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:baseline;gap:24px;padding:28px var(--m) 0;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.top__brand{font-family:var(--serif);font-size:22px;letter-spacing:.02em;text-transform:none}
.top__brand span{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--mute);margin-left:4px}
.top__ja{font-family:var(--ja);letter-spacing:.24em;font-size:11px;color:var(--mute);margin-left:16px;margin-right:auto}
.top__nav{display:flex;gap:28px}
.top__nav a{position:relative;padding-bottom:3px}
.top__nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.top__nav a:hover::after,.top__nav a:focus-visible::after{transform:scaleX(1);transform-origin:left}
.top__meta{margin-left:28px}

/* ---------- ① ヒーロー ---------- */
.hero{position:relative;z-index:2;height:100svh;min-height:640px}
.horizon{position:absolute;left:0;right:0;top:81%;height:1px;background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent);transform-origin:left;animation:line 2.2s .3s var(--ease) both}
.horizon::after{content:"";position:absolute;inset:1px 0 auto;height:19svh;background:linear-gradient(rgba(8,9,10,.78),rgba(8,9,10,.86))}
.fv{position:absolute;left:0;right:0;top:0;height:81%;padding:0 var(--m) clamp(22px,3.4vh,36px);display:flex;flex-direction:column;justify-content:flex-end}
.fv__label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;animation:fade 1.4s .7s both}
.fv__display{font-family:var(--serif);font-weight:400;font-size:clamp(64px,12.4vw,190px);line-height:.86;letter-spacing:-.025em}
.row{display:block;overflow:hidden;padding:0 .08em .2em 0;margin-bottom:-.2em}
.row>span{display:inline-block;animation:rise 1.5s var(--ease) both}
.row:nth-child(2)>span{animation-delay:.12s}
.fv__display em,.philo__lead em,.company__title em,.foot__word em{font-style:italic;color:transparent;-webkit-text-stroke:1px var(--fg)}
.fv__display em{padding-left:.9em}
.fv__ja{position:absolute;right:var(--m);bottom:clamp(30px,4.4vh,46px);font-size:15px;line-height:2;letter-spacing:.2em;animation:fade 1.6s 1s both}
.facts{position:absolute;left:0;right:0;bottom:clamp(26px,4.4vh,44px);padding:0 var(--m);display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.facts dl{display:grid;grid-template-columns:repeat(4,auto);column-gap:clamp(28px,4vw,72px);animation:fade 1.6s 1.2s both}
.facts dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mute);margin-bottom:8px}
.facts dd{font-size:14px;letter-spacing:.06em}
.clock{font-family:var(--mono);font-size:11px;letter-spacing:.1em;animation:fade 1.6s 1.4s both;white-space:nowrap}

/* ---------- 共通セクション ---------- */
.sec{position:relative;z-index:2;padding:clamp(110px,15vh,170px) var(--m) clamp(120px,16vh,180px);background:linear-gradient(rgba(8,9,10,.86),rgba(8,9,10,.7) 30%,rgba(8,9,10,.7) 70%,rgba(8,9,10,.86))}
.sec__head{display:flex;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.sec__head .k{font-family:var(--ja);letter-spacing:.3em}

/* ---------- ② Philosophy ---------- */
.philo__lead{font-family:var(--serif);font-weight:400;font-size:clamp(56px,10vw,152px);line-height:.9;letter-spacing:-.02em;margin:clamp(56px,9vh,96px) 0 clamp(80px,13vh,140px)}
.philo__lead .row:nth-child(2){padding-left:1.4em}
.philo__body{display:grid;grid-template-columns:5fr 7fr;column-gap:clamp(32px,6vw,110px);align-items:start}
.dial{position:relative;width:min(100%,420px);justify-self:center;align-self:center;text-align:center}
.dial svg{width:100%;display:block;overflow:visible}
.dial__ring{fill:none;stroke:var(--line);stroke-width:1}
.dial__ticks{fill:none;stroke:var(--faint);stroke-width:7;stroke-dasharray:.35 4.65}
.dial__arc{fill:none;stroke:var(--fg);stroke-width:1.2;stroke-linecap:round;stroke-dasharray:360;stroke-dashoffset:calc(360 * (1 - var(--p,1)))}
.dial__pole{fill:var(--amber);filter:drop-shadow(0 0 5px var(--amber))}
.dial figcaption{margin-top:20px;font-family:var(--mono);font-size:11px;letter-spacing:.14em}
.tenets li{display:grid;grid-template-columns:150px 1fr;column-gap:32px;row-gap:14px;padding:34px 0 40px;border-top:1px solid var(--line)}
.tenets li:last-child{border-bottom:1px solid var(--line)}
.tenets__no{grid-row:1/3;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding-top:10px}
.tenets h3{font-weight:500;font-size:clamp(24px,2.3vw,32px);letter-spacing:.14em}
.tenets p:not(.tenets__no){font-size:15px;line-height:2.1;letter-spacing:.08em;color:rgba(236,235,230,.78)}

/* ---------- ③ Company ---------- */
.company__grid{display:grid;grid-template-columns:5fr 7fr;column-gap:clamp(32px,6vw,110px);margin-top:clamp(56px,9vh,96px);align-items:start}
.company__title{font-family:var(--serif);font-weight:400;font-size:clamp(56px,7.4vw,112px);line-height:.92;letter-spacing:-.02em}
.since{display:flex;align-items:flex-end;gap:16px;margin-top:clamp(48px,8vh,88px)}
.since__num{font-family:var(--serif);font-size:clamp(64px,7vw,104px);line-height:.8;letter-spacing:-.01em;color:var(--amber);font-variant-numeric:tabular-nums}
.since__lab{font-family:var(--mono);font-size:10px;letter-spacing:.12em;line-height:1.9;color:var(--fg)}
.since__lab br+*{font-family:var(--ja)}
.profile div{display:grid;grid-template-columns:200px 1fr;align-items:baseline;padding:28px 0 30px;border-top:1px solid var(--line);position:relative}
.profile div:last-child{border-bottom:1px solid var(--line)}
.profile div::after{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease)}
.profile div:hover::after{transform:scaleX(1)}
.profile dt{font-size:13px;letter-spacing:.2em;color:var(--mute)}
.profile dt .k{font-family:var(--mono);font-size:10px;letter-spacing:.1em;margin-right:22px;color:var(--faint)}
.profile dd{font-size:clamp(17px,1.45vw,21px);letter-spacing:.1em}
.profile dd.en{font-family:var(--serif);font-size:clamp(22px,1.9vw,28px);letter-spacing:.04em}

/* ---------- ④ フッター ---------- */
.foot{position:relative;z-index:2;padding:clamp(60px,10vh,110px) var(--m) 30px;background:linear-gradient(rgba(8,9,10,.86),var(--bg) 60%);overflow:hidden}
.foot__word{font-family:var(--serif);font-size:calc((100vw - 2*var(--m)) / 1.9);line-height:.78;letter-spacing:-.03em;white-space:nowrap;margin-left:-.03em;padding-bottom:.08em}
.foot__bar{display:flex;justify-content:space-between;gap:16px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.foot__ja{font-family:var(--ja);letter-spacing:.24em}
.foot__bar a:hover{color:var(--amber)}

/* ---------- スクロールで現れる（JSありかつ動きOKの時だけ） ---------- */
.js-motion .reveal{opacity:0;transform:translateY(28px);transition:opacity 1.2s var(--ease),transform 1.4s var(--ease)}
.js-motion .reveal.in{opacity:1;transform:none}
.js-motion .philo__lead .row>span{animation:none;transform:translateY(104%);transition:transform 1.6s var(--ease)}
.js-motion .philo__lead .row:nth-child(2)>span{transition-delay:.12s}
.js-motion .philo__lead.in .row>span{transform:none}
.js-motion .profile div:nth-child(2){transition-delay:.06s}
.js-motion .profile div:nth-child(3){transition-delay:.12s}
.js-motion .profile div:nth-child(4){transition-delay:.18s}
.js-motion .profile div:nth-child(5){transition-delay:.24s}
.js-motion .profile div:nth-child(6){transition-delay:.3s}

@keyframes sweep{from{transform:rotate(-38deg);opacity:0}to{transform:none;opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes line{from{transform:scaleX(0)}to{transform:none}}
@keyframes rise{from{transform:translateY(102%)}to{transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- スマホ ---------- */
@media (max-width:820px){
  :root{--m:18px}

  .sky{background:radial-gradient(120% 60% at 72% 22%,#16181b 0%,#0b0c0e 50%,var(--bg) 80%)}
  .trails{left:72%;top:22%;width:1500px;height:1500px}
  .top{padding-top:20px;flex-wrap:wrap;row-gap:10px}
  .top__ja,.top__meta{display:none}
  .top__brand{font-size:20px;margin-right:auto}
  .top__nav{gap:16px;font-size:10px}
  .hero{height:auto;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding-top:90px;background:linear-gradient(180deg,transparent 30%,rgba(8,9,10,.7) 62%,rgba(8,9,10,.92))}
  .horizon{display:none}
  .fv{position:static;height:auto;padding-bottom:20px}
  .fv__label{font-size:10px;margin-bottom:14px;letter-spacing:.06em}
  .fv__display{font-size:clamp(56px,20vw,100px)}
  .fv__display em{padding-left:.42em}
  .fv__ja{position:static;margin-top:20px;font-size:14px}
  .facts{position:static;flex-direction:column;gap:14px;padding-bottom:22px}
  .facts dl{grid-template-columns:1fr 1fr;row-gap:14px;column-gap:18px;border-top:1px solid var(--line);padding-top:16px;width:100%}
  .facts dl div:first-child{grid-column:1/-1}
  .facts dt{margin-bottom:5px}
  .facts dd{font-size:13px}
  .clock{display:none}

  .sec{padding:96px var(--m) 110px;background:rgba(8,9,10,.8)}
  .philo__lead{font-size:clamp(48px,15vw,80px);margin:48px 0 56px}
  .philo__lead .row:nth-child(2){padding-left:.6em}
  .philo__body{grid-template-columns:1fr}
  .dial{position:relative;top:0;width:220px;margin-bottom:48px}
  .tenets li{grid-template-columns:1fr;row-gap:12px;padding:28px 0 32px}
  .tenets__no{grid-row:auto;padding-top:0}
  .tenets h3{font-size:24px}
  .tenets p:not(.tenets__no){font-size:14px;line-height:2}

  .company__grid{grid-template-columns:1fr;margin-top:48px}
  .company__title{font-size:clamp(52px,15vw,76px)}
  .since{margin:36px 0 48px}
  .since__num{font-size:72px}
  .profile div{grid-template-columns:118px 1fr;padding:20px 0 22px}
  .profile dt{font-size:12px;letter-spacing:.14em}
  .profile dt .k{margin-right:12px}
  .profile dd{font-size:15px;letter-spacing:.06em}
  .profile dd.en{font-size:20px}

  .foot{padding-top:56px}
  .foot__bar{flex-wrap:wrap;font-size:10px}
  .foot__ja{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
.dial__lab text{font-family:var(--mono);font-size:8px;letter-spacing:.1em;fill:var(--mute);text-anchor:middle}
.dial__lab text[text-anchor="start"]{text-anchor:start}
.dial__lab text[text-anchor="end"]{text-anchor:end}

/* 断り書き・複数行の行間・フッター語の幅 */
.profile dd{line-height:1.8}
.note{margin-top:28px;padding:16px 18px 16px 2.4em;border:1px solid var(--line);font-size:14px;line-height:1.9;letter-spacing:.04em;color:var(--fg);position:relative;text-indent:0}
.note__mark{position:absolute;left:1em;top:16px;color:var(--amber)}
.foot__word{font-size:calc((100vw - 2*var(--m)) / 1.7);line-height:1;padding-bottom:.24em}
@media (max-width:800px){ .note{font-size:13px;padding:14px 14px 14px 2.2em} .note__mark{top:14px;left:.9em} }
/* 断り書き・日数表示 */
.note{font-size:15px;color:#f1eee8;border-color:rgba(241,238,232,.32);background:rgba(255,255,255,.03)}
@media (max-width:800px){ .note{font-size:14px} .top__nav a{display:inline-block;padding:10px 4px} }
html:not(.js-ready) .js-only,html:not(.js-ready) .clock{display:none}