@charset "utf-8";
/* =========================================================================
   MEGLAS Co., Ltd. — Corporate Site
   Design tokens are derived from the MEGLAS presentation demo
   (accent #ff9326 / #62d6f0, deep marine base) and the MEGLAS logo (red bars).
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  --bg:#f4f7f8;
  --bg-elev:#ffffff;
  --surface:#ffffff;
  --surface-2:#eaf0f2;
  --ink:#08181f;
  --ink-2:#4a6470;
  --ink-3:#7a919b;
  --line:rgba(8,24,31,.12);
  --line-2:rgba(8,24,31,.07);
  --accent:#e0761a;
  --accent-soft:#ff9326;
  --accent-ink:#ffffff;
  --accent-2:#0d90b4;
  --logo-red:#e0202b;
  --shadow:0 18px 44px -22px rgba(8,24,31,.45);
  --shadow-lg:0 40px 90px -40px rgba(8,24,31,.55);
  --header-bg:rgba(255,255,255,.82);
  --scrim:linear-gradient(0deg,rgba(4,20,27,.92) 0%,rgba(4,20,27,.55) 42%,rgba(4,20,27,.12) 74%,rgba(4,20,27,.28) 100%);
  --hero-ink:#ffffff;
  --grid-line:rgba(8,24,31,.06);
  --radius:18px;
  --radius-s:12px;
  --maxw:1240px;
  --ff-jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo",system-ui,sans-serif;
  --ff-en:"Inter","Helvetica Neue",Arial,system-ui,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
html[data-theme="dark"]{
  --bg:#04141b;
  --bg-elev:#071c25;
  --surface:#0a222c;
  --surface-2:#0e2c38;
  --ink:#e9f5f9;
  --ink-2:#a3c0cb;
  --ink-3:#6f8f9c;
  --line:rgba(255,255,255,.13);
  --line-2:rgba(255,255,255,.07);
  --accent:#ff9326;
  --accent-soft:#ffb163;
  --accent-ink:#04141b;
  --accent-2:#62d6f0;
  --logo-red:#ff3546;
  --shadow:0 18px 44px -20px rgba(0,0,0,.7);
  --shadow-lg:0 44px 100px -40px rgba(0,0,0,.85);
  --header-bg:rgba(6,24,32,.72);
  --grid-line:rgba(255,255,255,.05);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

body{
  font-family:var(--ff-jp);
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  font-feature-settings:"palt" 1;
  letter-spacing:.02em;
  overflow-x:hidden;
  transition:background .5s var(--ease),color .5s var(--ease);
}
body.is-locked{overflow:hidden}
html[lang="en"] body{font-family:var(--ff-en);letter-spacing:0;line-height:1.75}

::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- Utilities ---------- */
.wrap{width:min(100% - 44px,var(--maxw));margin-inline:auto}
.wrap-narrow{width:min(100% - 44px,880px);margin-inline:auto}
.en{font-family:var(--ff-en);letter-spacing:.14em}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Logo ---------- */
.logo-word{height:22px;width:auto;color:var(--ink);flex:none}
.logo-tag{height:5.5px;width:auto;color:var(--ink-2);opacity:.9}
.lockup{display:inline-flex;flex-direction:column;gap:.5em;align-items:flex-start}
.lockup .logo-word{height:34px}
.logo-full{height:52px;width:auto;color:var(--ink);flex:none}
.lockup .logo-full{height:56px;margin-left:-1px}
.lockup .logo-tag{height:7.5px;margin-left:2px}
.comet{position:absolute;pointer-events:none}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:120;
  background:var(--header-bg);
  backdrop-filter:blur(18px) saturate(1.4);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease),background .4s var(--ease),transform .45s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line)}
.site-header.hide{transform:translateY(-102%)}
.header-inner{
  width:min(100% - 44px,1480px);margin-inline:auto;
  height:72px;display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 2px;flex:none}
.brand:hover .logo-word{color:var(--accent)}
.brand .logo-word{transition:color .35s var(--ease)}
.brand-sub{
  font-size:10px;letter-spacing:.22em;color:var(--ink-3);
  font-family:var(--ff-en);padding-left:12px;border-left:1px solid var(--line);
  line-height:1.1;text-transform:uppercase;
}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;padding:10px 14px;font-size:13.5px;font-weight:700;
  color:var(--ink-2);border-radius:10px;transition:color .3s var(--ease),background .3s var(--ease);
  white-space:nowrap;
}
.nav a small{display:block;font-family:var(--ff-en);font-size:9px;letter-spacing:.16em;opacity:.65;font-weight:600;line-height:1.4}
.nav a:hover{color:var(--ink)}
.nav a.active{color:var(--ink)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:2px;
}
.tools{display:flex;align-items:center;gap:8px;flex:none;margin-left:auto}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--ink-2);
  transition:.3s var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.icon-btn svg{width:17px;height:17px}
.lang-btn{
  width:auto;padding:0 12px;font-family:var(--ff-en);font-size:11.5px;font-weight:800;letter-spacing:.1em;
  display:flex;gap:6px;align-items:center;
}
.lang-btn .on{color:var(--accent)}
.lang-btn .sep{opacity:.35}
.header-cta{
  padding:11px 20px;border-radius:999px;font-size:13px;font-weight:800;
  background:var(--accent);color:var(--accent-ink);
  transition:.3s var(--ease);white-space:nowrap;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px -8px var(--accent)}
.burger{display:none}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:130;background:var(--bg-elev);
  transform:translateX(100%);transition:transform .5s var(--ease);
  display:flex;flex-direction:column;padding:26px 26px 40px;overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}
.drawer nav{display:flex;flex-direction:column;gap:2px}
.drawer nav a{
  padding:16px 4px;border-bottom:1px solid var(--line-2);font-size:17px;font-weight:700;
  display:flex;align-items:baseline;gap:12px;
}
.drawer nav a small{font-family:var(--ff-en);font-size:10px;letter-spacing:.16em;color:var(--ink-3)}
.drawer nav a.active{color:var(--accent)}
.drawer-foot{margin-top:auto;padding-top:34px;display:flex;gap:10px;align-items:center}

/* ---------- Page frame ---------- */
main{padding-top:72px;min-height:70vh}
.page{display:none;animation:pageIn .6s var(--ease) both}
.page.on{display:block}
@keyframes pageIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- Hero (home) ---------- */
.hero{position:relative;min-height:min(94vh,900px);display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;animation:ken 26s ease-out forwards}
@keyframes ken{from{transform:scale(1.02)}to{transform:scale(1.14)}}
.hero-bg::after{content:"";position:absolute;inset:0;background:var(--scrim)}
.hero-inner{position:relative;z-index:2;padding:0 0 92px;color:var(--hero-ink);width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-en);
  font-size:11px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent-soft);margin-bottom:26px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.8}
.hero h1{
  font-size:clamp(34px,6.2vw,80px);line-height:1.14;font-weight:900;letter-spacing:.005em;
  text-shadow:0 6px 34px rgba(0,0,0,.5);word-break:keep-all;overflow-wrap:break-word;
}
.hero h1 em{font-style:normal;color:var(--accent-soft)}
.hero p.lead{
  margin-top:26px;max-width:34em;font-size:clamp(14.5px,1.5vw,19px);line-height:1.95;
  color:rgba(255,255,255,.9);text-shadow:0 2px 16px rgba(0,0,0,.6);font-weight:500;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.btn{
  display:inline-flex;align-items:center;gap:12px;padding:15px 28px;border-radius:999px;
  font-size:14px;font-weight:800;border:1.5px solid transparent;cursor:pointer;
  transition:.35s var(--ease);
}
.btn svg{width:15px;height:15px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 14px 34px -14px var(--accent)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 46px -14px var(--accent)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-3px);border-color:#fff}
.btn-line{border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.hero-note{
  position:absolute;right:0;bottom:26px;z-index:3;font-size:10.5px;letter-spacing:.06em;
  color:rgba(255,255,255,.55);
}
/* ---------- Hero : HTC × MEGLAS ----------
   被写体（グラス）が画面右側にあるため、文字は左に置き、
   スクリムも縦ではなく横方向にかけて被写体を隠さないようにする。 */
/* 画像は 16:9。高さを画角に寄せて、右側のグラスが切れないようにする。 */
.hero-htc{align-items:center;--logo-red:#ff3546;min-height:clamp(600px,62vw,860px)}
.hero-htc .hero-bg{background:#03101a}
.hero-htc .hero-bg img{
  object-position:68% 50%;
  transform-origin:72% 45%;
  animation:heroDrift 32s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes heroDrift{from{transform:scale(1.07)}to{transform:scale(1)}}
.hero-htc .hero-bg::after{
  background:
    linear-gradient(90deg,rgba(3,13,19,.95) 0%,rgba(3,13,19,.88) 24%,rgba(3,13,19,.58) 44%,rgba(3,13,19,.16) 64%,rgba(3,13,19,0) 80%),
    linear-gradient(180deg,rgba(3,13,19,.78) 0%,rgba(3,13,19,.12) 18%,rgba(3,13,19,0) 55%,rgba(3,13,19,.30) 82%,rgba(4,20,27,.86) 100%);
}
.hero-htc .hero-inner{padding:104px 0 96px}
.hero-copy{max-width:min(620px,54%)}
.hero-htc h1{font-size:clamp(32px,4.7vw,62px);line-height:1.2}
.hero-htc p.lead{max-width:27em}

/* 協業ロックアップ */
.collab{
  display:flex;width:-moz-fit-content;width:fit-content;align-items:center;gap:14px;margin-bottom:28px;
  padding:9px 20px 9px 16px;border:1px solid rgba(255,255,255,.24);border-radius:999px;
  background:rgba(255,255,255,.07);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px -14px rgba(0,0,0,.8);
}
.collab .c-label{
  font-family:var(--ff-en);font-size:9px;font-weight:700;letter-spacing:.28em;
  color:rgba(255,255,255,.52);padding-right:14px;border-right:1px solid rgba(255,255,255,.22);
  white-space:nowrap;
}
.collab .c-lock{display:inline-flex;align-items:center;gap:11px;color:#fff}
.collab .c-htc{font-family:var(--ff-en);font-size:17px;font-weight:800;letter-spacing:.04em;line-height:1}
.collab .c-x{font-size:12px;opacity:.5;line-height:1}
.collab .logo-word{height:14px;color:#fff}

.scroll-cue{
  position:absolute;left:50%;bottom:22px;z-index:3;translate:-50% 0;color:rgba(255,255,255,.7);
  font-family:var(--ff-en);font-size:9.5px;letter-spacing:.3em;display:grid;justify-items:center;gap:8px;
}
.scroll-cue i{display:block;width:1px;height:38px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.8));animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{position:relative;min-height:clamp(300px,42vh,440px);display:flex;align-items:center;overflow:hidden}
.page-hero .hero-bg img{animation:ken 30s ease-out forwards}
.page-hero .hero-bg::after{background:linear-gradient(90deg,rgba(4,20,27,.94) 0%,rgba(4,20,27,.72) 46%,rgba(4,20,27,.32) 100%)}
.page-hero .inner{position:relative;z-index:2;color:#fff;padding:56px 0}
.page-hero h1{font-size:clamp(28px,4.6vw,50px);font-weight:900;line-height:1.24;letter-spacing:.01em}
.page-hero .sub{margin-top:16px;color:rgba(255,255,255,.82);font-size:clamp(13.5px,1.3vw,16px);max-width:40em}
.crumb{font-family:var(--ff-en);font-size:10.5px;letter-spacing:.22em;color:rgba(255,255,255,.55);margin-bottom:18px}

/* ---------- Sections ---------- */
.sec{padding:clamp(72px,9vw,132px) 0;position:relative}
.sec.tint{background:var(--bg-elev)}
.sec.grid-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 78%);
  z-index:0;
}
.sec.grid-bg>.wrap,.sec.grid-bg>.wrap-narrow{position:relative;z-index:1}
.sec-head{margin-bottom:clamp(34px,4vw,58px);position:relative;z-index:1}
.sec-head .eyebrow{color:var(--accent)}
.sec-head h2{font-size:clamp(24px,3.4vw,42px);font-weight:900;line-height:1.35;letter-spacing:.01em}
.sec-head h2 em{font-style:normal;color:var(--accent)}
.sec-head p{margin-top:18px;color:var(--ink-2);max-width:46em;font-size:15px}
.sec-head.center{text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.center p{margin-inline:auto}
h3.blk{font-size:clamp(19px,2.2vw,26px);font-weight:800;line-height:1.5;margin-bottom:16px}
.lead-p{color:var(--ink-2);font-size:15.5px;line-height:2.05}

/* ---------- Stat band ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);
  border-block:1px solid var(--line-2);
}
.stats div{background:var(--bg);padding:34px 26px;transition:background .4s var(--ease)}
.stats .k{font-family:var(--ff-en);font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1;color:var(--accent);letter-spacing:-.01em}
.stats .k small{font-size:.45em;font-weight:700;margin-left:4px;color:var(--ink-2)}
.stats .l{margin-top:12px;font-size:12.5px;color:var(--ink-2);letter-spacing:.04em}

/* ---------- Cards ---------- */
.cards{display:grid;gap:clamp(16px,2vw,26px)}
.c3{grid-template-columns:repeat(3,1fr)}
.c2{grid-template-columns:repeat(2,1fr)}
.c4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--radius);padding:clamp(26px,2.6vw,36px);overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease);
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:var(--line)}
.card:hover::after{transform:scaleX(1)}
.card .num{font-family:var(--ff-en);font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:800;margin-bottom:16px;display:block}
.card h4{font-size:clamp(17px,1.8vw,20px);font-weight:800;line-height:1.5;margin-bottom:12px}
.card p{color:var(--ink-2);font-size:14px;line-height:1.95}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;
  background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);
}
.card .ico svg{width:22px;height:22px}
.card ul.ticks{margin-top:18px;display:grid;gap:9px}
.card ul.ticks li{position:relative;padding-left:18px;font-size:13px;color:var(--ink-2)}
.card ul.ticks li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* pillar card */
.pillar{text-align:left;padding:clamp(30px,3vw,44px)}
.pillar .tag{font-family:var(--ff-en);font-size:10.5px;letter-spacing:.26em;color:var(--accent-2);font-weight:800}
.pillar h4{font-size:clamp(20px,2.4vw,27px);margin-top:14px}

/* ---------- Feature rows ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4.4vw,72px);align-items:center}
.feature+.feature{margin-top:clamp(56px,7vw,110px)}
.feature.rev .fig{order:2}
.feature .fig{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature .fig img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 1.1s var(--ease)}
.feature .fig:hover img{transform:scale(1.05)}
.feature .fig .cap{
  position:absolute;left:14px;bottom:12px;font-size:10px;letter-spacing:.06em;
  color:rgba(255,255,255,.68);text-shadow:0 1px 6px rgba(0,0,0,.7);
}
.feature .txt .num{font-family:var(--ff-en);font-size:11px;letter-spacing:.24em;color:var(--accent);font-weight:800}
.feature .txt h3{font-size:clamp(21px,2.7vw,32px);font-weight:900;line-height:1.44;margin:16px 0 18px}
.feature .txt p{color:var(--ink-2);font-size:15px;line-height:2.05}
.feature .txt .ticks{margin-top:24px;display:grid;gap:12px}
.feature .txt .ticks li{position:relative;padding-left:26px;font-size:14px}
.feature .txt .ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;
  background:color-mix(in srgb,var(--accent) 22%,transparent);
  box-shadow:inset 0 0 0 3px var(--accent);
}

/* ---------- Split (front / back) ---------- */
.split{display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(18px,2.6vw,34px);align-items:stretch}
.split .arrowcol{display:grid;place-items:center;gap:10px;color:var(--accent-2);padding:0 4px}
.split .arrowcol .core{
  width:74px;height:74px;border-radius:50%;display:grid;place-items:center;text-align:center;
  border:1px dashed var(--accent-2);font-size:10px;line-height:1.4;color:var(--accent-2);
  background:color-mix(in srgb,var(--accent-2) 10%,transparent);
  animation:pulse 3.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent-2) 30%,transparent)}50%{box-shadow:0 0 0 14px transparent}}
.biz{padding:clamp(28px,3vw,40px);border-radius:var(--radius);border:1px solid var(--line-2);background:var(--surface);position:relative;overflow:hidden}
.biz .tag{display:inline-block;font-family:var(--ff-en);font-size:10px;letter-spacing:.2em;font-weight:800;padding:6px 12px;border-radius:999px;margin-bottom:18px}
.biz.front .tag{background:color-mix(in srgb,var(--accent-2) 16%,transparent);color:var(--accent-2)}
.biz.back .tag{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent)}
.biz h4{font-size:clamp(18px,2vw,23px);font-weight:900;line-height:1.5;margin-bottom:14px}
.biz p{color:var(--ink-2);font-size:14px}
.biz ul{margin-top:20px;display:grid;gap:10px}
.biz ul li{font-size:13.5px;color:var(--ink-2);padding-left:16px;position:relative}
.biz ul li::before{content:"";position:absolute;left:0;top:.75em;width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.5}

/* ---------- Roadmap ---------- */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px);position:relative}
.road::before{content:"";position:absolute;left:6%;right:6%;top:28px;height:1px;background:linear-gradient(90deg,var(--accent-2),var(--accent));opacity:.4}
.phase{position:relative;padding-top:70px}
.phase .dot{
  position:absolute;top:18px;left:0;width:22px;height:22px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);display:grid;place-items:center;
}
.phase .dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.phase .yr{font-family:var(--ff-en);font-size:12px;letter-spacing:.16em;color:var(--accent);font-weight:800}
.phase h4{font-size:clamp(17px,1.9vw,21px);font-weight:800;margin:10px 0 12px}
.phase p{color:var(--ink-2);font-size:13.5px}

/* ---------- Message page ---------- */
.msg-body{font-size:clamp(15px,1.5vw,17px);line-height:2.25;color:var(--ink-2)}
.msg-body p+p{margin-top:1.9em}
.msg-body strong{color:var(--ink);font-weight:800}
.msg-lead{
  font-size:clamp(19px,2.6vw,30px);line-height:1.75;font-weight:800;color:var(--ink);
  letter-spacing:.01em;margin-bottom:clamp(30px,4vw,48px);
}
.msg-lead em{font-style:normal;color:var(--accent)}
.sign{margin-top:clamp(40px,5vw,64px);display:flex;align-items:flex-end;justify-content:flex-end;gap:18px;flex-wrap:wrap}
.sign .role{font-size:12.5px;color:var(--ink-2);letter-spacing:.06em}
.sign .nm{font-size:clamp(20px,2.4vw,27px);font-weight:800;letter-spacing:.12em}
.sign .nm small{display:block;font-family:var(--ff-en);font-size:11px;letter-spacing:.2em;color:var(--ink-3);margin-top:6px;font-weight:600}
.quote-band{
  border-left:3px solid var(--accent);padding:clamp(20px,2.6vw,30px) clamp(22px,3vw,36px);
  background:var(--surface);border-radius:0 var(--radius-s) var(--radius-s) 0;margin:clamp(30px,4vw,44px) 0;
}
.quote-band p{font-size:clamp(15.5px,1.7vw,19px);font-weight:700;line-height:1.9;color:var(--ink)}

/* ---------- Values ---------- */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.vals > div{background:var(--surface);padding:clamp(26px,3vw,40px)}
.vals .n{font-family:var(--ff-en);font-size:44px;font-weight:800;line-height:1;color:color-mix(in srgb,var(--accent) 28%,transparent)}
.vals h4{margin:16px 0 12px;font-size:19px;font-weight:800}
.vals p{color:var(--ink-2);font-size:13.5px}

/* orbit */
.orbit{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px);margin-top:34px}
.orbit .o{
  border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(24px,2.6vw,32px);
  background:var(--surface);position:relative;overflow:hidden;
}
.orbit .o .jp{font-size:clamp(19px,2.2vw,24px);font-weight:900;letter-spacing:.04em}
.orbit .o .en{display:block;font-size:11px;letter-spacing:.22em;color:var(--accent-2);margin-top:8px;font-weight:700}
.orbit .o p{margin-top:16px;font-size:13.5px;color:var(--ink-2)}
.orbit .o .idx{position:absolute;right:18px;top:10px;font-family:var(--ff-en);font-size:52px;font-weight:800;color:var(--line-2)}

/* ---------- Partner logos ---------- */
.logos{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.logos .lg{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.logos .lg{
  background:var(--surface);min-height:104px;display:grid;place-items:center;gap:6px;padding:20px 16px;text-align:center;
  transition:background .4s var(--ease);
}
.logos .lg:hover{background:var(--surface-2)}
.logos .lg .nm{font-family:var(--ff-en);font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--ink-2)}
.logos .lg .ty{font-size:10.5px;letter-spacing:.08em;color:var(--ink-3)}
.logos .lg.ph .nm{color:var(--ink-3);opacity:.7}
.ph-mark{
  width:38px;height:38px;border-radius:10px;border:1px dashed var(--line);
  display:grid;place-items:center;color:var(--ink-3);font-family:var(--ff-en);font-size:13px;font-weight:800;
}
.note{font-size:11.5px;color:var(--ink-3);margin-top:16px;line-height:1.8}

/* ---------- Group chart ---------- */
.group{display:grid;gap:16px;justify-items:center}
.gnode{
  width:min(100%,520px);border:1px solid var(--line);border-radius:var(--radius-s);padding:20px 24px;
  background:var(--surface);text-align:center;
}
.gnode.head{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 10%,transparent)}
.gnode .nm{font-family:var(--ff-en);font-weight:800;letter-spacing:.08em;font-size:15px}
.gnode .rl{font-size:12.5px;color:var(--ink-2);margin-top:8px}
.gline{width:1px;height:26px;background:var(--line)}
.gpair{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%}

/* ---------- News ---------- */
.news-list{border-top:1px solid var(--line-2)}
.news-item{
  display:grid;grid-template-columns:130px 120px 1fr;gap:22px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line-2);transition:background .35s var(--ease),padding .35s var(--ease);
}
.news-item:hover{background:var(--surface);padding-inline:18px}
.news-item time{font-family:var(--ff-en);font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:600}
.news-item .cat{
  font-size:10.5px;letter-spacing:.12em;font-weight:800;padding:5px 10px;border-radius:999px;text-align:center;
  border:1px solid var(--line);color:var(--ink-2);
}
.news-item .cat.rel{border-color:var(--accent);color:var(--accent)}
.news-item .cat.dev{border-color:var(--accent-2);color:var(--accent-2)}
.news-item .cat.tech{border-color:var(--logo-red);color:var(--logo-red)}
.news-item h4{font-size:15px;font-weight:700;line-height:1.7}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line-2);border-radius:var(--radius);background:var(--surface)}
table.info th,table.info td{padding:20px 26px;border-bottom:1px solid var(--line-2);font-size:14px;vertical-align:top;text-align:left}
table.info tr:last-child th,table.info tr:last-child td{border-bottom:0}
table.info th{width:220px;font-weight:800;color:var(--ink);background:color-mix(in srgb,var(--surface-2) 60%,transparent);white-space:nowrap}
table.info td{color:var(--ink-2);line-height:1.95}
table.info td .sm{font-size:12px;color:var(--ink-3);display:block;margin-top:4px}

/* ---------- Accordion ---------- */
.acc{border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.acc summary{
  padding:22px 26px;cursor:pointer;font-weight:800;font-size:15px;display:flex;align-items:center;gap:14px;
  list-style:none;transition:background .3s var(--ease);
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";margin-left:auto;font-family:var(--ff-en);font-size:20px;color:var(--accent);transition:transform .35s var(--ease)}
.acc[open] summary::after{transform:rotate(45deg)}
.acc summary:hover{background:var(--surface-2)}
.acc .body{padding:6px 26px 28px;border-top:1px solid var(--line-2)}
.obj-list{counter-reset:o;display:grid;gap:2px;margin-top:18px}
.obj-list li{
  counter-increment:o;position:relative;padding:11px 0 11px 46px;font-size:13.5px;color:var(--ink-2);
  border-bottom:1px solid var(--line-2);line-height:1.85;
}
.obj-list li:last-child{border-bottom:0}
.obj-list li::before{
  content:counter(o,decimal-leading-zero);position:absolute;left:0;top:11px;
  font-family:var(--ff-en);font-size:11px;font-weight:800;color:var(--accent);letter-spacing:.06em;
}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,64px);align-items:start}
.form{display:grid;gap:20px}
.field{display:grid;gap:9px}
.field label{font-size:12.5px;font-weight:800;letter-spacing:.04em;display:flex;align-items:center;gap:9px}
.req{font-size:9.5px;font-weight:800;letter-spacing:.08em;padding:3px 7px;border-radius:4px;background:var(--accent);color:var(--accent-ink)}
.opt{font-size:9.5px;font-weight:700;letter-spacing:.08em;padding:3px 7px;border-radius:4px;border:1px solid var(--line);color:var(--ink-3)}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:14.5px;transition:.3s var(--ease);
}
.field textarea{min-height:170px;resize:vertical;line-height:1.9}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent);
}
.field .hint{font-size:11.5px;color:var(--ink-3)}
.check{display:flex;gap:11px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.75}
.check input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--accent)}
.form-note{font-size:11.5px;color:var(--ink-3);line-height:1.9}
.contact-side{display:grid;gap:18px}
.info-card{border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(24px,2.6vw,32px);background:var(--surface)}
.info-card h4{font-size:15px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.info-card h4 svg{width:17px;height:17px;color:var(--accent)}
.info-card p,.info-card a{font-size:13.5px;color:var(--ink-2);line-height:2}
.info-card a.mail{font-family:var(--ff-en);font-size:17px;font-weight:700;color:var(--accent);letter-spacing:.02em;word-break:break-all}
.info-card a.mail:hover{text-decoration:underline}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;padding:clamp(64px,8vw,110px) 0;text-align:center;isolation:isolate}
.cta .bgimg{position:absolute;inset:0;z-index:-2}
.cta .bgimg img{width:100%;height:100%;object-fit:cover}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,20,27,.86),rgba(4,20,27,.94))}
.cta h2{color:#fff;font-size:clamp(23px,3.4vw,42px);font-weight:900;line-height:1.42}
.cta p{color:rgba(255,255,255,.78);margin-top:20px;font-size:15px}
.cta .hero-actions{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-elev);border-top:1px solid var(--line-2);padding-top:clamp(56px,7vw,88px)}
.f-top{display:grid;grid-template-columns:1.35fr 2fr;gap:clamp(30px,5vw,70px);padding-bottom:56px}
.f-brand .lockup{margin-bottom:22px}
.f-brand p{font-size:13px;color:var(--ink-2);line-height:2}
.f-brand .addr{margin-top:18px;font-size:12.5px;color:var(--ink-3);line-height:1.95}
.f-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.f-nav h5{font-family:var(--ff-en);font-size:10.5px;letter-spacing:.22em;color:var(--ink-3);font-weight:800;margin-bottom:18px}
.f-nav a{display:block;font-size:13.5px;color:var(--ink-2);padding:7px 0;transition:.3s var(--ease)}
.f-nav a:hover{color:var(--accent);transform:translateX(4px)}
.f-partners{border-top:1px solid var(--line-2);padding:38px 0}
.f-partners .ttl{font-family:var(--ff-en);font-size:10.5px;letter-spacing:.22em;color:var(--ink-3);font-weight:800;margin-bottom:24px;text-align:center}
.p-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(18px,3vw,44px);align-items:center}
.p-strip .p{
  display:grid;place-items:center;gap:7px;min-width:120px;padding:12px 14px;border-radius:12px;
  opacity:.62;filter:grayscale(1);transition:.4s var(--ease);
}
.p-strip .p:hover{opacity:1;filter:none;background:var(--surface)}
.p-strip .p .nm{font-family:var(--ff-en);font-size:12.5px;font-weight:800;letter-spacing:.09em;white-space:nowrap}
.p-strip .p .ty{font-size:9.5px;letter-spacing:.1em;color:var(--ink-3)}
.f-bottom{
  border-top:1px solid var(--line-2);padding:24px 0 30px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.f-bottom small{font-family:var(--ff-en);font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.f-bottom .links{display:flex;gap:20px}
.f-bottom .links a{font-size:11.5px;color:var(--ink-3)}
.f-bottom .links a:hover{color:var(--accent)}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.09s}.rv.d2{transition-delay:.18s}.rv.d3{transition-delay:.27s}
.rv.d4{transition-delay:.36s}.rv.d5{transition-delay:.45s}.rv.d6{transition-delay:.54s}

/* ---------- Top button ---------- */
.totop{
  position:fixed;right:22px;bottom:22px;z-index:110;width:46px;height:46px;border-radius:50%;
  background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;border:0;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.4s var(--ease);box-shadow:var(--shadow);
}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{transform:translateY(-3px)}
.totop svg{width:17px;height:17px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;translate:-50% 20px;z-index:200;opacity:0;pointer-events:none;
  background:var(--ink);color:var(--bg);padding:14px 24px;border-radius:999px;font-size:13px;font-weight:700;
  transition:.45s var(--ease);box-shadow:var(--shadow-lg);
}
.toast.show{opacity:1;translate:-50% 0}

/* ---------- Responsive ---------- */
@media(max-width:1140px){
  .nav a{padding:10px 10px;font-size:12.5px}
  .nav a small{display:none}
}
@media(max-width:1180px){
  .hero-copy{max-width:min(560px,62%)}
}
@media(max-width:980px){
  .nav,.header-cta,.brand-sub{display:none}
  /* 横幅が足りない画面では画像を切り抜かず、16:9のまま上に置いて下に文字を流す */
  .hero-htc{display:block;min-height:0}
  .hero-copy{max-width:100%}
  .hero-htc .hero-bg{position:relative;inset:auto;height:auto;aspect-ratio:16/9}
  .hero-htc .hero-bg img{position:static;height:100%;object-position:center;animation:none;transform:none}
  .hero-htc .hero-bg::after{
    background:linear-gradient(180deg,rgba(3,13,19,.55) 0%,rgba(3,13,19,0) 26%,rgba(3,13,19,.10) 58%,rgba(3,13,19,.72) 84%,var(--bg) 100%);
  }
  .hero-htc .hero-inner{position:relative;z-index:2;margin-top:-9vw;padding:0 0 72px}
  .hero-htc h1{font-size:clamp(30px,5.6vw,50px)}
  .hero-htc p.lead{max-width:34em}
  .hero-htc .scroll-cue{display:none}
  .burger{display:grid}
  .c3,.c4,.vals,.orbit,.road{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr}
  .feature.rev .fig{order:0}
  .split{grid-template-columns:1fr}
  .split .arrowcol{flex-direction:row;padding:6px 0}
  .split .arrowcol .core{width:64px;height:64px}
  .contact-grid{grid-template-columns:1fr}
  .f-top{grid-template-columns:1fr}
  .road::before{display:none}
  .gpair{grid-template-columns:1fr}
}
@media(max-width:680px){
  .wrap,.wrap-narrow{width:calc(100% - 34px)}
  .c3,.c4,.c2,.vals,.orbit,.road{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div{padding:24px 18px}
  .news-item{grid-template-columns:1fr;gap:10px;padding:22px 6px}
  .news-item .cat{justify-self:start;padding:4px 12px}
  .f-nav{grid-template-columns:1fr 1fr}
  table.info th{width:auto;display:block;border-bottom:0;padding-bottom:0}
  table.info td{display:block;padding-top:8px}
  .hero-inner{padding-bottom:86px}
  .hero-htc .hero-inner{margin-top:-11vw;padding-bottom:54px}
  .hero-htc h1{font-size:clamp(30px,7.6vw,44px)}
  .collab{gap:10px;padding:8px 15px 8px 13px;margin-bottom:22px}
  .collab .c-label{font-size:8px;letter-spacing:.22em;padding-right:11px}
  .collab .c-htc{font-size:15px}
  .collab .logo-word{height:12px}
  .hero-note{position:static;margin-top:24px;color:rgba(255,255,255,.6)}
  .logo-word{height:16px}
  .header-inner{gap:10px}
  .icon-btn{width:36px;height:36px}
  .lang-btn{width:auto;padding:0 9px;font-size:11px;gap:4px}
  .scroll-cue{display:none}
  .sign{justify-content:flex-start}
}
/* ---------- 積み重ね型ヒーロー × ライトモードの文字色 ----------
   980px 以下では文字が画像の下（ページ地色の上）に来るため、
   白のままだと読めない。テーマの文字色に切り替える。 */
@media(max-width:980px){
  html[data-theme="light"] .hero-htc{--logo-red:#d81f2a}
  html[data-theme="light"] .hero-htc .hero-inner{color:var(--ink)}
  html[data-theme="light"] .hero-htc h1{text-shadow:none}
  html[data-theme="light"] .hero-htc h1 em{color:var(--accent)}
  html[data-theme="light"] .hero-htc p.lead{color:var(--ink-2);text-shadow:none}
  html[data-theme="light"] .hero-htc .eyebrow{color:var(--accent)}
  html[data-theme="light"] .hero-htc .hero-note{color:var(--ink-3)}
  html[data-theme="light"] .hero-htc .btn-ghost{
    background:var(--surface);border-color:var(--line);color:var(--ink);backdrop-filter:none;
  }
  html[data-theme="light"] .hero-htc .btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--surface)}
  html[data-theme="light"] .hero-htc .collab{
    background:var(--surface);border-color:var(--line);box-shadow:var(--shadow);
  }
  html[data-theme="light"] .hero-htc .collab .c-lock,
  html[data-theme="light"] .hero-htc .collab .logo-word{color:var(--ink)}
  html[data-theme="light"] .hero-htc .collab .c-label{color:var(--ink-3);border-right-color:var(--line)}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}
@media print{
  .site-header,.drawer,.totop,.cta,.scroll-cue{display:none}
  .page{display:block !important}
}