/* =========================================================
   AXELIA — Design System
   Navy × Cyan × Violet · Helix motif · Japanese tech brand
   ========================================================= */

:root{
  /* base */
  --black:#05070d;
  --navy-900:#070b16;
  --navy-800:#0a1126;
  --navy-700:#0d1830;
  --navy-600:#122142;
  --ink:#e8edf7;
  --ink-dim:#9aa6c0;
  --ink-faint:#5b6685;
  --line:rgba(140,160,210,.12);
  --line-soft:rgba(140,160,210,.07);

  /* accents */
  --cyan:#3fe0f0;
  --cyan-deep:#16b8d4;
  --violet:#7b6cff;
  --violet-deep:#5b46e0;
  --glow-cyan:rgba(63,224,240,.5);
  --glow-violet:rgba(123,108,255,.5);

  --grad: linear-gradient(110deg, var(--cyan) 0%, var(--violet) 100%);
  --grad-soft: linear-gradient(120deg, rgba(63,224,240,.14), rgba(123,108,255,.14));

  --font-jp:"Zen Kaku Gothic New","Noto Sans JP",system-ui,sans-serif;
  --font-en:"Space Grotesk","Zen Kaku Gothic New",sans-serif;

  --maxw:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-jp);
  background:var(--black);
  color:var(--ink);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  letter-spacing:.02em;
}
body.is-loading{overflow:hidden;height:100vh}
a{color:inherit;text-decoration:none}
canvas{display:block}
::selection{background:var(--cyan);color:var(--black)}

/* ambient background field */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 600px at 78% -5%, rgba(123,108,255,.16), transparent 60%),
    radial-gradient(800px 600px at 12% 8%, rgba(63,224,240,.10), transparent 60%),
    radial-gradient(1000px 800px at 50% 110%, rgba(91,70,224,.14), transparent 60%),
    var(--black);
}
body::after{ /* fine grid */
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000,transparent 85%);
  mask-image:radial-gradient(circle at 50% 30%,#000,transparent 85%);
}

/* =================== LOADER =================== */
.loader{
  position:fixed;inset:0;z-index:1000;background:var(--black);
  display:none;place-items:center;
  transition:opacity .9s var(--ease),visibility .9s;
}
.axelia-js .loader{display:grid} /* ローダーはJS有効時のみ表示（JS失敗時は中身が見える） */
.loader.done{opacity:0;visibility:hidden}
.loader__canvas{position:absolute;inset:0;width:100%;height:100%}
.loader__brand{position:relative;text-align:center;z-index:2}
.loader__mark{
  display:block;font-family:var(--font-en);font-weight:700;
  font-size:clamp(2rem,7vw,4.4rem);letter-spacing:.34em;text-indent:.34em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.loader__sub{
  display:block;margin-top:.8rem;font-family:var(--font-en);
  font-size:.7rem;letter-spacing:.5em;text-indent:.5em;color:var(--ink-faint);
}
.loader__bar{display:block;width:200px;height:2px;margin:1.6rem auto 0;background:var(--line);overflow:hidden;border-radius:2px}
.loader__bar i{display:block;height:100%;width:0;background:var(--grad)}

/* =================== SCROLL RAIL (helix progress) =================== */
.scroll-rail{position:fixed;top:0;left:0;width:3px;height:100vh;z-index:60;background:transparent}
.scroll-rail i{display:block;width:100%;height:0;background:var(--grad);box-shadow:0 0 14px var(--glow-cyan)}

/* =================== HEADER =================== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.5rem clamp(1.2rem,4vw,3rem);
  transition:padding .4s var(--ease),background .4s var(--ease),border-color .4s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  padding-top:1rem;padding-bottom:1rem;
  background:rgba(7,11,22,.72);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header__logo{display:flex;align-items:center;gap:.6rem;color:var(--ink)}
.header__logo-mark{width:30px;height:26px;color:var(--cyan);
  background:url('../img/axelia-mark.png') center/contain no-repeat}
.header__logo-mark > *{display:none}
.header__logo-text{font-family:var(--font-en);font-weight:700;letter-spacing:.28em;font-size:1.05rem}
.header__nav{display:flex;gap:2rem}
.header__nav a{
  font-family:var(--font-en);font-size:.78rem;letter-spacing:.14em;color:var(--ink-dim);
  position:relative;padding:.2rem 0;transition:color .3s;
}
.header__nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--grad);transition:width .35s var(--ease)}
.header__nav a:hover{color:var(--ink)}
.header__nav a:hover::after,.header__nav a.active::after{width:100%}
.header__nav a.active{color:var(--ink)}
.header__cta{
  font-family:var(--font-jp);font-weight:500;font-size:.82rem;
  padding:.6rem 1.3rem;border:1px solid var(--line);border-radius:40px;
  color:var(--ink);transition:.35s var(--ease);position:relative;overflow:hidden;
}
.header__cta:hover{border-color:transparent;background:var(--grad);color:var(--black)}
.header__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.header__burger span{width:24px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.header__burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.header__burger.open span:nth-child(2){opacity:0}
.header__burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =================== HERO =================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero__veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,13,.2) 0%,rgba(5,7,13,0) 35%,rgba(5,7,13,.55) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,4vw,3rem)}
.hero__eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-en);
  font-size:.74rem;letter-spacing:.32em;color:var(--ink-dim);margin-bottom:2rem}
.hero__eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--glow-cyan);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero__title{font-weight:900;line-height:1.16;letter-spacing:.01em;
  font-size:clamp(2.6rem,7.4vw,6rem)}
.hero__title .line{display:block;opacity:0;transform:translateY(40px);filter:blur(6px);
  animation:rise 1.1s var(--ease) forwards}
.hero__title .line:nth-child(2){animation-delay:.16s}
.hero__title .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes rise{to{opacity:1;transform:none;filter:none}}
.hero__lead{margin-top:2rem;max-width:620px;color:var(--ink-dim);font-size:clamp(.98rem,1.5vw,1.18rem);
  opacity:0;animation:rise 1.1s var(--ease) .4s forwards}
.hero__cta{margin-top:2.8rem;display:flex;flex-wrap:wrap;gap:1rem;
  opacity:0;animation:rise 1.1s var(--ease) .56s forwards}
.hero__scroll{position:absolute;left:50%;bottom:2.2rem;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:.7rem;
  font-family:var(--font-en);font-size:.64rem;letter-spacing:.3em;color:var(--ink-faint)}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:var(--cyan);animation:scrolldot 2s var(--ease) infinite}
@keyframes scrolldot{0%{top:-50%}100%{top:120%}}
.hero__meta{position:absolute;right:clamp(1.2rem,4vw,3rem);bottom:2.4rem;z-index:2;
  display:flex;gap:1.6rem;font-family:var(--font-en);font-size:.66rem;letter-spacing:.3em;color:var(--ink-faint)}
.hero__meta span{position:relative;padding-left:1rem}
.hero__meta span::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;border-radius:50%;background:var(--violet);transform:translateY(-50%)}

/* =================== BUTTONS =================== */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-weight:500;font-size:.92rem;
  padding:.95rem 1.7rem;border-radius:46px;transition:.4s var(--ease);position:relative;overflow:hidden;letter-spacing:.04em}
.btn .arr{transition:transform .4s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.btn--primary{background:var(--grad);color:var(--black);font-weight:700;box-shadow:0 8px 30px -8px var(--glow-violet)}
.btn--primary:hover{box-shadow:0 12px 40px -6px var(--glow-cyan);transform:translateY(-2px)}
.btn--ghost{border:1px solid var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(63,224,240,.05)}
.btn--lg{padding:1.15rem 2.3rem;font-size:1rem}

/* =================== MARQUEE =================== */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;
  background:rgba(7,11,22,.5);padding:1.1rem 0}
.marquee__track{display:flex;align-items:center;gap:1.6rem;white-space:nowrap;width:max-content;animation:marquee 24s linear infinite}
.marquee__track span{font-family:var(--font-jp);font-weight:500;font-size:1.05rem;color:var(--ink-dim);letter-spacing:.1em}
.marquee__track b{color:var(--cyan)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* =================== SECTION SHELL =================== */
.section{position:relative;max-width:var(--maxw);margin:0 auto;
  padding:clamp(5rem,11vw,9rem) clamp(1.2rem,4vw,3rem)}
.section__head{max-width:780px;margin-bottom:clamp(3rem,6vw,5rem)}
.section__index{font-family:var(--font-en);font-size:.74rem;letter-spacing:.28em;color:var(--cyan);margin-bottom:1.4rem}
.section__index.center{text-align:center}
.section__title{font-weight:900;line-height:1.28;font-size:clamp(1.9rem,4.4vw,3.3rem);letter-spacing:.01em}
.section__title.gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section__desc{margin-top:1.6rem;color:var(--ink-dim);font-size:clamp(.96rem,1.3vw,1.1rem);max-width:680px}

/* =================== PHILOSOPHY =================== */
.philo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.philo{position:relative;padding:2.6rem 2rem;border:1px solid var(--line);border-radius:18px;
  background:linear-gradient(160deg,rgba(18,33,66,.4),rgba(7,11,22,.2));overflow:hidden;transition:.5s var(--ease)}
.philo::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .5s}
.philo:hover{transform:translateY(-6px);border-color:rgba(63,224,240,.4)}
.philo:hover::before{opacity:1}
.philo__glyph{position:absolute;top:-1.4rem;right:.6rem;font-family:var(--font-en);font-weight:700;
  font-size:9rem;line-height:1;color:rgba(123,108,255,.08)}
.philo__en{position:relative;font-family:var(--font-en);font-weight:600;font-size:1.7rem;margin-bottom:1rem;display:flex;align-items:baseline;gap:.7rem}
.philo__en small{font-family:var(--font-jp);font-size:.95rem;color:var(--cyan);font-weight:500;letter-spacing:.1em}
.philo__jp{position:relative;color:var(--ink-dim);font-size:.96rem}

/* =================== ABOUT =================== */
.about__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.about__body{margin-top:1.6rem;color:var(--ink-dim);font-size:1.02rem}
.about__pillars{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.pillar{padding:1.8rem 1.5rem;border:1px solid var(--line);border-radius:16px;background:rgba(10,17,38,.35);transition:.45s var(--ease)}
.pillar:hover{border-color:rgba(123,108,255,.4);transform:translateY(-4px)}
.pillar span{font-family:var(--font-en);font-size:.78rem;color:var(--violet);letter-spacing:.2em}
.pillar h4{font-size:1.3rem;font-weight:700;margin:.6rem 0 .5rem}
.pillar p{font-size:.88rem;color:var(--ink-dim);line-height:1.7}

/* =================== COMPETITION =================== */
.comp-card{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,4rem);
  padding:clamp(2rem,4vw,3.4rem);border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(135deg,rgba(18,33,66,.5),rgba(7,11,22,.3));position:relative;overflow:hidden}
.comp-card::after{content:"";position:absolute;top:-40%;right:-10%;width:380px;height:380px;
  background:radial-gradient(circle,rgba(63,224,240,.18),transparent 70%);filter:blur(10px)}
.comp-card__title{position:relative;z-index:1}
.tag{display:inline-block;font-family:var(--font-en);font-size:.68rem;letter-spacing:.22em;
  color:var(--cyan);border:1px solid rgba(63,224,240,.3);padding:.3rem .8rem;border-radius:30px;margin-bottom:1.4rem}
.comp-card__title h3{font-family:var(--font-en);font-weight:600;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:1rem;line-height:1.3}
.comp-card__title p{color:var(--ink-dim)}
.comp-card__points{position:relative;z-index:1;display:flex;flex-direction:column;gap:1.2rem;justify-content:center}
.comp-card__points li{list-style:none;border-left:2px solid var(--cyan);padding-left:1.2rem}
.comp-card__points b{display:block;font-size:1.1rem;font-weight:700;margin-bottom:.3rem}
.comp-card__points span{color:var(--ink-dim);font-size:.9rem}

/* =================== COMMUNITY =================== */
.community__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.community__cards{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.ccard{padding:1.8rem 1.6rem;border:1px solid var(--line);border-radius:16px;background:rgba(10,17,38,.35);transition:.45s var(--ease)}
.ccard:hover{transform:translateY(-5px);border-color:rgba(63,224,240,.4);background:var(--grad-soft)}
.ccard h4{font-family:var(--font-en);font-weight:600;letter-spacing:.1em;color:var(--cyan);margin-bottom:.6rem;font-size:1rem}
.ccard p{color:var(--ink-dim);font-size:.92rem}

/* =================== TOURNAMENTS =================== */
.tourn-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.tourn{padding:2.2rem 1.8rem;border:1px solid var(--line);border-radius:18px;background:rgba(10,17,38,.3);transition:.45s var(--ease);position:relative}
.tourn:hover{transform:translateY(-5px);border-color:rgba(123,108,255,.45)}
.tourn__no{display:inline-block;font-family:var(--font-jp);font-weight:700;font-size:.8rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:.2em;margin-bottom:1rem}
.tourn h4{font-size:1.2rem;font-weight:700;margin-bottom:.6rem}
.tourn p{color:var(--ink-dim);font-size:.9rem}

/* =================== DATA =================== */
.data__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.data__list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.dataitem{padding:2rem 1.6rem;background:var(--navy-900);transition:.4s var(--ease)}
.dataitem:hover{background:var(--navy-700)}
.dataitem h4{font-size:1.12rem;font-weight:700;margin-bottom:.6rem;color:var(--ink)}
.dataitem h4::before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--grad);margin-right:.6rem;transform:rotate(45deg);vertical-align:middle}
.dataitem p{color:var(--ink-dim);font-size:.88rem}

/* =================== LAB =================== */
.lab{position:relative;overflow:hidden;max-width:none;width:100%;
  padding-left:0;padding-right:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,24,48,.5),rgba(5,7,13,.7))}
.lab__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.6}
.lab__inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,4vw,3rem)}
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.labcard{padding:2.2rem 1.8rem;border:1px solid var(--line);border-radius:18px;
  background:rgba(7,11,22,.55);backdrop-filter:blur(6px);transition:.5s var(--ease);position:relative;overflow:hidden}
.labcard span{font-family:var(--font-en);font-weight:700;font-size:.8rem;color:var(--violet);letter-spacing:.2em}
.labcard h4{font-size:1.18rem;font-weight:700;margin:.7rem 0 .6rem}
.labcard p{color:var(--ink-dim);font-size:.9rem}
.labcard::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease)}
.labcard:hover{transform:translateY(-6px);border-color:rgba(63,224,240,.35)}
.labcard:hover::before{transform:scaleY(1)}

/* =================== NUMBERS =================== */
.num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.num{padding:2.8rem 2rem;background:var(--navy-900);text-align:center;transition:.4s var(--ease)}
.num:hover{background:var(--navy-700)}
.num__val{display:block;font-family:var(--font-en);font-weight:700;line-height:1;
  font-size:clamp(2.4rem,5vw,3.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.num__label{margin-top:1rem;color:var(--ink-dim);font-size:.86rem;letter-spacing:.08em}

/* =================== NEWS =================== */
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.newsitem{display:grid;grid-template-columns:120px 140px 1fr 30px;align-items:center;gap:1.4rem;
  padding:1.7rem .6rem;border-bottom:1px solid var(--line);transition:.4s var(--ease)}
.newsitem:hover{background:rgba(18,33,66,.3);padding-left:1.4rem}
.newsitem__date{font-family:var(--font-en);font-size:.86rem;color:var(--ink-faint)}
.newsitem__cat{font-family:var(--font-en);font-size:.66rem;letter-spacing:.18em;color:var(--cyan);
  border:1px solid rgba(63,224,240,.25);border-radius:30px;padding:.25rem .7rem;justify-self:start}
.newsitem h4{font-size:1.05rem;font-weight:500}
.newsitem .arr{color:var(--ink-faint);transition:.4s var(--ease);justify-self:end}
.newsitem:hover .arr{color:var(--cyan);transform:translateX(5px)}

/* =================== PARTNERS =================== */
.partners__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.partners__logos{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.plogo{display:grid;place-items:center;min-height:96px;background:var(--navy-900);
  font-family:var(--font-en);letter-spacing:.18em;font-size:.8rem;color:var(--ink-faint);transition:.4s var(--ease)}
.plogo:hover{background:var(--navy-700);color:var(--ink)}
.plogo--cta{background:var(--navy-800)}
.plogo--cta a{color:var(--cyan);font-family:var(--font-jp);letter-spacing:.04em}

/* =================== JOIN =================== */
.join{text-align:center}
.join__inner{max-width:760px;margin:0 auto}
.join__title{font-weight:900;font-size:clamp(2rem,5vw,3.6rem);margin:1rem 0 1.4rem;line-height:1.3}
.join__desc{color:var(--ink-dim);font-size:1.05rem;margin-bottom:2.4rem}
.join__roles{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin-bottom:2.6rem}
.join__roles span{font-family:var(--font-en);font-size:.72rem;letter-spacing:.16em;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:30px;padding:.5rem 1.1rem;transition:.35s var(--ease)}
.join__roles span:hover{border-color:var(--cyan);color:var(--cyan)}

/* =================== FOOTER =================== */
.footer{position:relative;overflow:hidden;border-top:1px solid var(--line);margin-top:4rem}
.footer__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55}
.footer__cta{position:relative;z-index:1;text-align:center;padding:clamp(5rem,10vw,8rem) 1.5rem clamp(3rem,6vw,5rem)}
.footer__big{font-weight:900;line-height:1.25;font-size:clamp(2.2rem,6vw,4.6rem);margin-bottom:2.4rem}
.footer__big .gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer__base{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;
  display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:center;
  padding:2.6rem clamp(1.2rem,4vw,3rem);border-top:1px solid var(--line)}
.footer__logo{font-family:var(--font-en);font-weight:700;letter-spacing:.28em;font-size:1.3rem}
.footer__logo-mark{width:26px;height:22px;display:inline-block;vertical-align:-5px;margin-right:.55rem;
  background:url('../img/axelia-mark.png') center/contain no-repeat}
.footer__logo-mark > *{display:none}
.loader__logo{width:64px;height:50px;display:block;margin:0 auto 1.3rem;
  background:url('../img/axelia-mark.png') center/contain no-repeat}
.loader__logo > *{display:none}
/* philosophy: 実ロゴ（フルロックアップ）を表示 */
.mark__visual svg{aspect-ratio:876/654;height:auto;
  background:url('../img/axelia-logo.png') center/contain no-repeat}
.mark__visual svg > *{display:none}
.footer__brand p{color:var(--ink-faint);font-size:.84rem;margin-top:.5rem}
.footer__nav{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer__nav a{font-family:var(--font-en);font-size:.74rem;letter-spacing:.12em;color:var(--ink-dim);transition:color .3s}
.footer__nav a:hover{color:var(--cyan)}
.footer__social{display:flex;gap:.7rem}
.footer__social a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;
  font-family:var(--font-en);font-size:.72rem;color:var(--ink-dim);transition:.35s var(--ease)}
.footer__social a:hover{border-color:transparent;background:var(--grad);color:var(--black)}
.footer__copy{position:relative;z-index:1;text-align:center;color:var(--ink-faint);font-size:.76rem;
  padding:1.6rem 1rem;border-top:1px solid var(--line);font-family:var(--font-en);letter-spacing:.1em}

/* =================== REVEAL =================== */
.reveal{transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.axelia-js .reveal{opacity:0;transform:translateY(34px);filter:blur(4px)} /* 非表示はJS有効時のみ */
.reveal.in{opacity:1;transform:none;filter:none}
.reveal[data-delay="1"]{transition-delay:.12s}
.reveal[data-delay="2"]{transition-delay:.24s}

/* =================== RESPONSIVE =================== */
@media(max-width:980px){
  .header__nav{display:none}
  .header__cta{display:none}
  .header__burger{display:flex}
  .header__nav.open{display:flex;position:fixed;inset:0;top:0;flex-direction:column;
    justify-content:center;align-items:center;gap:2rem;background:rgba(5,7,13,.96);backdrop-filter:blur(20px);z-index:75}
  .header__nav.open a{font-size:1.3rem}
  .philo-grid,.lab-grid,.tourn-row,.num-grid{grid-template-columns:1fr}
  .about__grid,.community__grid,.data__grid,.partners__grid,.comp-card{grid-template-columns:1fr}
  .about__pillars,.community__cards,.data__list,.partners__logos{grid-template-columns:1fr 1fr}
  .num-grid{grid-template-columns:1fr 1fr}
  .hero__meta{display:none}
  .newsitem{grid-template-columns:90px 1fr 24px;gap:.8rem}
  .newsitem__cat{display:none}
}
@media(max-width:560px){
  .about__pillars,.community__cards,.data__list,.num-grid,.partners__logos{grid-template-columns:1fr}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{justify-content:center}
}

/* =================== NAV DROPDOWN GROUP =================== */
.nav-group{position:relative}
.nav-group__btn{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--font-en);
  font-size:.78rem;letter-spacing:.14em;color:var(--ink-dim);background:none;border:0;cursor:pointer;
  padding:.2rem 0;transition:color .3s}
.nav-group__btn:hover,.nav-group.open .nav-group__btn{color:var(--ink)}
.nav-group__btn .caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);transition:transform .35s var(--ease)}
.nav-group:hover .nav-group__btn .caret,.nav-group.open .nav-group__btn .caret{transform:rotate(-135deg) translateY(1px)}
.nav-group__menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  min-width:256px;padding:.5rem;margin-top:.7rem;
  background:rgba(7,11,22,.94);backdrop-filter:blur(20px);
  border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6);
  display:flex;flex-direction:column;gap:.15rem;
  opacity:0;visibility:hidden;pointer-events:none;transition:.32s var(--ease)}
.nav-group__menu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px} /* hover bridge */
.nav-group:hover .nav-group__menu,.nav-group:focus-within .nav-group__menu,.nav-group.open .nav-group__menu{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-group__menu a{display:flex;flex-direction:column;gap:.2rem;padding:.7rem .9rem;border-radius:11px;transition:background .3s}
.nav-group__menu a::after{display:none}
.nav-group__menu a b{font-family:var(--font-en);font-weight:600;font-size:.8rem;letter-spacing:.1em;color:var(--ink)}
.nav-group__menu a small{font-family:var(--font-jp);font-size:.74rem;color:var(--ink-faint);letter-spacing:.02em}
.nav-group__menu a:hover{background:var(--grad-soft)}
.nav-group__menu a:hover b{color:var(--cyan)}

/* =================== CONTACT =================== */
.contact__grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.contact__direct{list-style:none;margin-top:2.4rem;display:flex;flex-direction:column;gap:0}
.contact__direct li{display:flex;flex-direction:column;gap:.35rem;border-top:1px solid var(--line);padding:1.2rem 0}
.contact__direct span{font-family:var(--font-en);font-size:.68rem;letter-spacing:.2em;color:var(--cyan)}
.contact__direct a{color:var(--ink);font-size:1rem;transition:color .3s;width:max-content}
.contact__direct a:hover{color:var(--cyan)}
.contact__sns{display:flex;gap:1.2rem}
.contact__sns a{font-family:var(--font-en);font-size:.82rem;letter-spacing:.06em;color:var(--ink-dim)}
.contact__form{display:flex;flex-direction:column;gap:1.25rem;padding:clamp(1.6rem,3vw,2.6rem);
  border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,rgba(18,33,66,.35),rgba(7,11,22,.2))}
.field{display:flex;flex-direction:column;gap:.5rem}
.field label{font-size:.84rem;color:var(--ink-dim);letter-spacing:.04em}
.field label i{color:var(--cyan);font-style:normal;margin-left:.2rem}
.field input,.field select,.field textarea{font-family:var(--font-jp);font-size:.95rem;color:var(--ink);
  background:rgba(5,7,13,.5);border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;transition:.3s var(--ease)}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-faint)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,224,240,.12)}
.field select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%233fe0f0' d='M6 8 1 3h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 1rem center}
.contact__form .btn{align-self:flex-start}
.contact__note{font-size:.78rem;color:var(--ink-faint)}
.contact__note.ok{color:var(--cyan)}

/* =================== RESPONSIVE (nav group + contact) =================== */
@media(max-width:980px){
  .contact__grid{grid-template-columns:1fr}
  .header__nav.open .nav-group{display:flex;flex-direction:column;align-items:center;gap:.8rem}
  .header__nav.open .nav-group__btn{font-size:1.3rem}
  .header__nav.open .nav-group__menu{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    background:none;border:0;box-shadow:none;backdrop-filter:none;padding:0;margin-top:.4rem;min-width:0;align-items:center;gap:.4rem}
  .header__nav.open .nav-group__menu a{text-align:center;padding:.25rem}
  .header__nav.open .nav-group__menu a b{font-size:1rem}
  .header__nav.open .nav-group__menu a small{display:none}
}

/* =========================================================
   SUB-PAGE SHARED COMPONENTS (philosophy / lab / team / …)
   ========================================================= */

/* ---------- PAGE HERO (shared) ---------- */
.page-hero{position:relative;overflow:hidden;display:flex;align-items:center;
  padding:clamp(8rem,16vw,12rem) 0 clamp(3rem,6vw,5rem)}
.page-hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.page-hero__veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,13,.35),rgba(5,7,13,0) 45%,rgba(5,7,13,.65))}
.page-hero__inner{position:relative;z-index:2;max-width:var(--maxw);width:100%;margin:0 auto;padding:0 clamp(1.2rem,4vw,3rem)}
.page-hero__crumb{font-family:var(--font-en);font-size:.72rem;letter-spacing:.22em;color:var(--ink-faint);margin-bottom:1.6rem}
.page-hero__crumb a{color:var(--ink-dim);transition:color .3s}
.page-hero__crumb a:hover{color:var(--cyan)}
.page-hero__crumb span{margin:0 .5rem}
.page-hero__title{font-family:var(--font-en);font-weight:700;letter-spacing:.04em;line-height:1.04;
  font-size:clamp(2.6rem,8vw,6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero__title.jp{font-family:var(--font-jp);font-weight:900;letter-spacing:.01em;
  background:none;color:var(--ink);-webkit-text-fill-color:currentColor}
.page-hero__lead{margin-top:1.6rem;max-width:620px;color:var(--ink-dim);font-size:clamp(.96rem,1.4vw,1.14rem)}

/* ---------- NEXT (回遊導線) ---------- */
.next{max-width:var(--maxw);margin:0 auto;padding:clamp(2rem,5vw,4rem) clamp(1.2rem,4vw,3rem)}
.next__link{display:flex;align-items:center;justify-content:space-between;gap:2rem;
  padding:clamp(1.8rem,4vw,2.8rem) clamp(1.6rem,4vw,2.8rem);
  border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(120deg,rgba(18,33,66,.4),rgba(7,11,22,.25));
  transition:.45s var(--ease);position:relative;overflow:hidden}
.next__link::after{content:"";position:absolute;top:-50%;right:-10%;width:340px;height:340px;
  background:radial-gradient(circle,rgba(123,108,255,.16),transparent 70%);opacity:0;transition:opacity .5s}
.next__link:hover{border-color:rgba(63,224,240,.4);transform:translateY(-3px)}
.next__link:hover::after{opacity:1}
.next__meta{position:relative;z-index:1}
.next__label{font-family:var(--font-en);font-size:.7rem;letter-spacing:.28em;color:var(--cyan);display:block;margin-bottom:.6rem}
.next__lead{color:var(--ink-dim);font-size:clamp(.95rem,1.4vw,1.1rem)}
.next__page{position:relative;z-index:1;font-family:var(--font-en);font-weight:700;
  font-size:clamp(1.4rem,3vw,2.2rem);letter-spacing:.04em;white-space:nowrap;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:center;gap:.6rem}
.next__page i{font-style:normal;color:var(--cyan);transition:transform .4s var(--ease)}
.next__link:hover .next__page i{transform:translateX(6px)}

/* ---------- LEAD STATEMENT (section intro) ---------- */
.statement{max-width:880px;margin:0 auto clamp(2rem,5vw,4rem);text-align:center}
.statement p{font-size:clamp(1.15rem,2.4vw,1.7rem);font-weight:500;line-height:1.7;color:var(--ink)}
.statement .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- VERTICAL TIMELINE (origin / story) ---------- */
.vtl{position:relative;margin-left:.4rem;padding-left:2rem;border-left:1px solid var(--line)}
.vtl__item{position:relative;padding-bottom:2.4rem}
.vtl__item:last-child{padding-bottom:0}
.vtl__item::before{content:"";position:absolute;left:-2.45rem;top:.35rem;width:11px;height:11px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(5,7,13,1),0 0 14px var(--glow-cyan)}
.vtl__year{font-family:var(--font-en);font-size:.8rem;letter-spacing:.16em;color:var(--cyan);margin-bottom:.4rem}
.vtl__title{font-size:1.15rem;font-weight:700;margin-bottom:.5rem}
.vtl__text{color:var(--ink-dim);font-size:.94rem}

/* ---------- THE MARK (logo thinking) ---------- */
.mark{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:center;
  padding:clamp(2rem,4vw,3.4rem);border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(135deg,rgba(18,33,66,.45),rgba(7,11,22,.25))}
.mark__visual{display:grid;place-items:center;aspect-ratio:1;border:1px solid var(--line);border-radius:18px;
  background:radial-gradient(circle at 50% 40%,rgba(63,224,240,.12),transparent 70%)}
.mark__visual svg{width:46%;height:46%;color:var(--cyan)}
.mark__list{list-style:none;display:flex;flex-direction:column;gap:1.2rem}
.mark__list li{border-left:2px solid var(--violet);padding-left:1.1rem}
.mark__list b{display:block;font-size:1.05rem;margin-bottom:.25rem}
.mark__list span{color:var(--ink-dim);font-size:.9rem}
.mark__lead{font-size:clamp(1.05rem,2vw,1.3rem);font-weight:500;line-height:1.7;color:var(--ink);margin-bottom:1.6rem}
.mark__a{font-family:var(--font-en);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mark__eq{margin-top:1.6rem;padding-top:1.2rem;border-top:1px solid var(--line);
  font-family:var(--font-en);font-size:.84rem;letter-spacing:.04em;color:var(--ink-faint)}
.mark__eq span{color:var(--cyan)}
.mark__eq b{color:var(--ink);font-weight:700}

/* ---------- FUTURE (vision block) ---------- */
.future{text-align:center;padding:clamp(3rem,7vw,6rem) 1.5rem;border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(160deg,rgba(13,24,48,.55),rgba(5,7,13,.5));position:relative;overflow:hidden}
.future h3{font-weight:900;line-height:1.3;font-size:clamp(1.8rem,5vw,3.4rem)}
.future .gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.future p{margin-top:1.4rem;color:var(--ink-dim);max-width:620px;margin-inline:auto}

/* ---------- LAB: PRODUCT MODULE (expandable-to-page) ---------- */
.pmods{display:flex;flex-direction:column;gap:1rem}
.pmod{display:grid;grid-template-columns:auto 1fr auto auto;gap:1.6rem;align-items:center;
  padding:1.7rem 1.8rem;border:1px solid var(--line);border-radius:16px;
  background:rgba(10,17,38,.4);transition:.45s var(--ease);position:relative;overflow:hidden}
.pmod::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease)}
.pmod:hover{transform:translateX(4px);border-color:rgba(63,224,240,.35)}
.pmod:hover::before{transform:scaleY(1)}
.pmod__icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(63,224,240,.2),rgba(123,108,255,.24));
  font-family:var(--font-en);font-weight:700;font-size:1.2rem;color:var(--ink)}
.pmod__body h4{font-family:var(--font-en);font-weight:600;font-size:1.15rem;letter-spacing:.02em;margin-bottom:.3rem}
.pmod__body p{color:var(--ink-dim);font-size:.88rem}
.pmod__body .tagline{color:var(--cyan);font-size:.78rem;letter-spacing:.06em;margin-bottom:.3rem;font-family:var(--font-en)}
.pmod__status{text-align:right;min-width:96px}
.pmod__dots{display:flex;gap:5px;justify-content:flex-end;margin-bottom:.4rem}
.pmod__dots i{width:8px;height:8px;border-radius:50%;background:var(--line);display:inline-block}
.pmod__dots i.on{background:var(--grad)}
.pmod__state{font-family:var(--font-en);font-size:.68rem;letter-spacing:.12em;color:var(--ink-faint)}
.pmod__cta{font-family:var(--font-en);font-size:.74rem;letter-spacing:.1em;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:30px;padding:.55rem .9rem;white-space:nowrap;transition:.35s var(--ease)}
.pmod__cta:hover{color:var(--black);background:var(--grad);border-color:transparent}
.pmod__cta--soon{color:var(--ink-faint);cursor:default}
.pmod__cta--soon:hover{color:var(--ink-faint);background:transparent;border-color:var(--line)}

/* ---------- LAB: ROADMAP ---------- */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.phase{padding:1.8rem 1.5rem;border:1px solid var(--line);border-radius:16px;background:rgba(10,17,38,.35);position:relative}
.phase__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.phase__no{font-family:var(--font-en);font-size:.74rem;letter-spacing:.18em;color:var(--ink-faint)}
.phase__state{font-family:var(--font-en);font-size:.64rem;letter-spacing:.1em;padding:.25rem .6rem;border-radius:30px;border:1px solid var(--line);color:var(--ink-dim)}
.phase--done .phase__state{color:var(--black);background:var(--grad);border-color:transparent}
.phase--now{border-color:rgba(63,224,240,.45)}
.phase--now .phase__state{color:var(--cyan);border-color:rgba(63,224,240,.4)}
.phase h4{font-size:1.1rem;font-weight:700;margin-bottom:.7rem}
.phase ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.phase li{color:var(--ink-dim);font-size:.84rem;padding-left:1rem;position:relative}
.phase li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--cyan)}
/* ROADMAP 3軸ラベル（競技/分析/開発） */
.phase li b{display:inline-block;min-width:2.6em;margin-right:.5rem;font-size:.7rem;font-weight:700;letter-spacing:.06em}
.rm-c{color:var(--cyan)}      /* 競技 */
.rm-a{color:var(--violet)}    /* 分析 */
.rm-d{color:var(--ink-dim)}   /* 開発 */

/* =================== 挑戦の循環（ABOUT） =================== */
.cycle{display:flex;flex-wrap:wrap;align-items:stretch;justify-content:center;gap:1rem}
.cycle__node{flex:1 1 200px;min-width:180px;max-width:260px;padding:1.8rem 1.4rem;border:1px solid var(--line);
  border-radius:18px;background:rgba(10,17,38,.4);text-align:center;position:relative;overflow:hidden}
.cycle__node::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--grad)}
.cycle__tag{font-family:var(--font-en);font-size:.6rem;letter-spacing:.18em;color:var(--ink-faint)}
.cycle__node b{display:block;font-size:1.6rem;font-weight:900;margin:.4rem 0 .3rem}
.cycle__node small{color:var(--ink-dim);font-size:.82rem}
.cycle__node--c{border-color:rgba(63,224,240,.4)} .cycle__node--c b{color:var(--cyan)}
.cycle__node--a{border-color:rgba(123,108,255,.4)} .cycle__node--a b{color:var(--violet)}
.cycle__node--d b{color:var(--ink)}
.cycle__arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;min-width:64px;color:var(--ink-faint)}
.cycle__arrow i{font-style:normal;font-size:1.6rem;color:var(--cyan)}
.cycle__arrow span{font-size:.68rem;letter-spacing:.04em}
.cycle__caption{text-align:center;margin-top:1.8rem;color:var(--ink-dim);font-size:1rem}
.cycle__caption strong{color:var(--ink);font-weight:700}

/* =================== ROADMAP: 現在地 / 達成チェック =================== */
.rstatus{border:1px solid var(--line);border-radius:20px;padding:clamp(1.6rem,4vw,2.6rem);
  background:linear-gradient(135deg,rgba(18,33,66,.5),rgba(7,11,22,.3))}
.rstatus__top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
.rstatus__phase{font-family:var(--font-en);font-size:.82rem;letter-spacing:.18em;color:var(--ink-dim)}
.rstatus__phase b{font-size:1.5rem;color:var(--ink);margin:0 .5rem;letter-spacing:.04em}
.rstatus__phase span{font-family:var(--font-jp);color:var(--ink-dim);font-size:.9rem}
.rstatus__pct{font-family:var(--font-en);font-weight:700;font-size:clamp(2rem,5vw,2.8rem);line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rstatus__pct small{font-size:1rem}
.rbar{height:10px;border-radius:30px;background:var(--line);overflow:hidden;margin-top:1.2rem}
.rbar i{display:block;height:100%;background:var(--grad);box-shadow:0 0 12px var(--glow-cyan)}
.rstatus__note{margin-top:.6rem;font-size:.8rem;color:var(--ink-faint)}
.rstatus__axes{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.6rem}
.raxis{padding:1.2rem 1.2rem;border:1px solid var(--line);border-radius:14px;background:rgba(10,17,38,.4)}
.raxis__tag{font-family:var(--font-en);font-size:.6rem;letter-spacing:.14em;color:var(--ink-faint)}
.raxis b{display:block;font-size:1.15rem;margin:.35rem 0 .25rem}
.raxis small{color:var(--ink-dim);font-size:.82rem}
.raxis--c{border-color:rgba(63,224,240,.4)} .raxis--c b{color:var(--cyan)}
.raxis--a b{color:var(--violet)} .raxis--d b{color:var(--ink)}

.rcheck{margin-bottom:2.2rem}
.rcheck__head{display:flex;align-items:baseline;gap:.7rem;font-size:1.15rem;font-weight:700;margin-bottom:1rem}
.rcheck__axis{font-family:var(--font-en);font-size:.72rem;letter-spacing:.14em}
.rcheck__items{display:grid;grid-template-columns:1fr;gap:.6rem}
.rcheck--c .rcheck__items{grid-template-columns:1fr 1fr}
.ri{display:flex;gap:.7rem;align-items:flex-start;padding:.8rem 1rem;border:1px solid var(--line);
  border-radius:12px;background:rgba(10,17,38,.3)}
.ri p{font-size:.92rem;color:var(--ink)}
.ri__mark{font-family:var(--font-en);font-weight:700;line-height:1.4;flex:none}
.ri--done .ri__mark,.ri__mark--done{color:var(--cyan)}
.ri--now{border-color:rgba(63,224,240,.35)}
.ri--now .ri__mark,.ri__mark--now{color:var(--cyan)}
.ri--next{opacity:.7}
.ri--next .ri__mark,.ri__mark--next{color:var(--ink-faint)}

.rlinks{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.rlink{display:flex;flex-direction:column;gap:.3rem;padding:1.4rem 1.4rem;border:1px solid var(--line);
  border-radius:14px;background:rgba(10,17,38,.35);transition:.4s var(--ease);position:relative}
.rlink span{font-family:var(--font-en);font-size:.64rem;letter-spacing:.16em;color:var(--cyan)}
.rlink b{font-size:1rem;color:var(--ink)}
.rlink i{position:absolute;right:1.2rem;top:1.2rem;font-style:normal;color:var(--ink-faint);transition:transform .4s var(--ease)}
.rlink:hover{border-color:rgba(63,224,240,.4);transform:translateY(-3px)}
.rlink:hover i{transform:translateX(4px);color:var(--cyan)}

@media(max-width:760px){
  .rstatus__axes{grid-template-columns:1fr}
  .rcheck--c .rcheck__items{grid-template-columns:1fr}
  .rlinks{grid-template-columns:1fr}
}
@media(max-width:760px){
  .cycle{flex-direction:column;align-items:center}
  .cycle__node{max-width:100%;width:100%}
  .cycle__arrow i{transform:rotate(90deg)}
}

/* ---------- LAB: PROOF OF PROGRESS ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.proof{padding:2.2rem 1.6rem;background:var(--navy-900);text-align:center}
.proof__val{font-family:var(--font-en);font-weight:700;font-size:clamp(1.8rem,4vw,2.8rem);line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.proof__label{margin-top:.8rem;color:var(--ink-dim);font-size:.82rem;letter-spacing:.04em}

/* ---------- LAB: DEVELOPMENT LOG ---------- */
.dlog{border-top:1px solid var(--line)}
.dlog__item{display:grid;grid-template-columns:110px 130px 1fr;align-items:center;gap:1.2rem;
  padding:1.3rem .4rem;border-bottom:1px solid var(--line);transition:.35s var(--ease)}
.dlog__item:hover{background:rgba(18,33,66,.3);padding-left:1rem}
.dlog__date{font-family:var(--font-en);font-size:.84rem;color:var(--ink-faint)}
.dlog__tag{font-family:var(--font-en);font-size:.64rem;letter-spacing:.14em;color:var(--cyan);
  border:1px solid rgba(63,224,240,.25);border-radius:30px;padding:.25rem .7rem;justify-self:start}
.dlog__text{font-size:.94rem;color:var(--ink)}

/* ---------- sub-page responsive ---------- */
@media(max-width:980px){
  .mark,.roadmap,.proof-grid{grid-template-columns:1fr}
  .roadmap{gap:1rem}
  .proof-grid{grid-template-columns:1fr 1fr}
  .next__link{flex-direction:column;align-items:flex-start;gap:1.2rem}
  .pmod{grid-template-columns:auto 1fr;grid-auto-rows:auto}
  .pmod__status{grid-column:2;text-align:left}
  .pmod__dots{justify-content:flex-start}
  .pmod__cta{grid-column:2;justify-self:start}
  .dlog__item{grid-template-columns:90px 1fr}
  .dlog__tag{display:none}
}
@media(max-width:560px){
  .proof-grid{grid-template-columns:1fr}
}

/* ---------- TOP: HUB CARDS (要約 → 個別ページ) ---------- */
.hub{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.hubcard{position:relative;display:flex;flex-direction:column;min-height:240px;
  padding:2.2rem 2rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:linear-gradient(160deg,rgba(18,33,66,.42),rgba(7,11,22,.22));transition:.5s var(--ease)}
.hubcard::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .5s}
.hubcard:hover{transform:translateY(-6px);border-color:rgba(63,224,240,.42)}
.hubcard:hover::before{opacity:1}
.hubcard--feature{border-color:rgba(123,108,255,.35);background:linear-gradient(160deg,rgba(30,30,72,.5),rgba(7,11,22,.3))}
.hubcard__glyph{position:absolute;top:-1rem;right:.4rem;font-family:var(--font-en);font-weight:700;
  font-size:7rem;line-height:1;color:rgba(123,108,255,.08)}
.hubcard__no{position:relative;font-family:var(--font-en);font-size:.7rem;letter-spacing:.22em;color:var(--ink-faint);margin-bottom:1rem}
.hubcard__en{position:relative;font-family:var(--font-en);font-weight:600;font-size:1.45rem;letter-spacing:.04em;margin-bottom:.6rem}
.hubcard--feature .hubcard__en{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hubcard__jp{position:relative;color:var(--ink-dim);font-size:.9rem;flex:1}
.hubcard__go{position:relative;margin-top:1.4rem;font-family:var(--font-en);font-size:.74rem;letter-spacing:.1em;
  color:var(--cyan);display:inline-flex;align-items:center;gap:.5rem}
.hubcard__go i{font-style:normal;transition:transform .4s var(--ease)}
.hubcard:hover .hubcard__go i{transform:translateX(5px)}
.hubcard__tag{position:absolute;top:1.4rem;right:1.4rem;font-family:var(--font-en);font-size:.6rem;letter-spacing:.14em;
  color:var(--violet);border:1px solid rgba(123,108,255,.4);border-radius:30px;padding:.2rem .6rem}
@media(max-width:980px){.hub{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hub{grid-template-columns:1fr}}

/* =================== NEWS ARTICLE (詳細本文) =================== */
.news-article{max-width:820px;margin:0 auto;color:var(--ink-dim);line-height:2;font-size:1rem}
.news-article > *:first-child{margin-top:0}
.news-article p{margin:1.1rem 0}
.news-article .lead{font-size:clamp(1.15rem,2.4vw,1.5rem);font-weight:700;line-height:1.6;color:var(--ink);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1.8rem}
.news-article h2{font-family:var(--font-jp);font-weight:900;color:var(--ink);
  font-size:clamp(1.4rem,3.2vw,2rem);line-height:1.4;margin:2.8rem 0 1.1rem;
  padding-left:1rem;border-left:3px solid var(--cyan)}
.news-article h3{font-weight:700;color:var(--ink);font-size:clamp(1.1rem,2.2vw,1.35rem);
  margin:2rem 0 .7rem;padding-left:.8rem;border-left:2px solid var(--violet)}
.news-article ul{list-style:none;margin:1.3rem 0;display:flex;flex-direction:column;gap:.7rem}
.news-article li{position:relative;padding-left:1.5rem}
.news-article li::before{content:"";position:absolute;left:0;top:.85em;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.news-article hr{border:0;border-top:1px solid var(--line);margin:2.8rem 0}
.news-article strong{color:var(--ink);font-weight:700}
.news-article a{color:var(--cyan);text-decoration:underline}
.news-article blockquote{margin:1.6rem 0;padding:1.2rem 1.4rem;border-left:3px solid var(--cyan);
  background:rgba(18,33,66,.35);border-radius:0 12px 12px 0;color:var(--ink);font-weight:500;line-height:1.9}
.news-article img{max-width:100%;height:auto;border-radius:14px;margin:1.6rem 0}
.news-article__sign{margin-top:2.6rem;padding-top:1.4rem;border-top:1px solid var(--line);
  font-family:var(--font-en);letter-spacing:.1em;color:var(--ink-faint)}

/* reduce motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.2s!important}
  .marquee__track{animation:none}
}