@charset "UTF-8";
/* LOGI NEXA — existing artwork, with a restrained motion layer. */

.reading-progress{position:absolute;inset:auto 0 -1px;height:2px;overflow:hidden;pointer-events:none;}
.reading-progress span{display:block;height:100%;background:linear-gradient(90deg,#2373ca,#8de8ff);transform:scaleX(0);transform-origin:left;}
.site-header__inner>.btn{margin-left:auto;}

/* Hero signals share the exact cover geometry of the supplied photograph. */
.hero__signals{position:absolute;max-width:none;pointer-events:none;visibility:hidden;overflow:visible;}
.motion-ready .hero__signals{visibility:visible;}
/* 光ファイバーの通信のように、細くシャープな光が線の上を滑る（丸い粒にしない：butt cap・弱い発光）。 */
.hero__trail,.hero__head{fill:none;stroke-linecap:butt;opacity:0;}
.hero__trail{--peak:.5;stroke:#6fd2ff;stroke-width:1.1;stroke-dasharray:22 300;stroke-dashoffset:22;}
.hero__head{--peak:.95;stroke:#e6fbff;stroke-width:1.3;stroke-dasharray:5 300;stroke-dashoffset:5;filter:drop-shadow(0 0 2px rgba(80,200,255,.85));}
/* 移動（流入は中核に近づくほど加速／流出は減速）と、明るさの出入りを別アニメーションにする */
.motion-ready .hero__trail,.motion-ready .hero__head{
  animation:route-trail 5.2s cubic-bezier(.55,0,.85,.6) infinite,route-fade 5.2s linear infinite;
  animation-delay:var(--signal-delay,0s);
}
.motion-ready .hero__head{animation-name:route-head,route-fade;}
.motion-ready .hero__route--out .hero__trail,
.motion-ready .hero__route--out .hero__head{animation-timing-function:cubic-bezier(.15,.4,.45,1),linear;}
.hero__route--out .hero__trail{stroke:#5cc4f5;}
.hero__ring{stroke:#8be8ff;stroke-width:.6;opacity:0;transform-origin:762px 357px;filter:blur(.4px);}
/* 画像内の同心円（中心 762,357／viewBox 1100×733）の範囲。中心の集約点は残し、外側のリングほど落とす。 */
.hero__overlay{position:absolute;pointer-events:none;}
.hero__core-veil{
  position:absolute;left:48.36%;top:41.61%;width:41.82%;height:14.19%;
  background:radial-gradient(closest-side,rgba(3,7,22,0) 13%,rgba(3,7,22,.14) 34%,rgba(3,7,22,.22) 62%,rgba(3,7,22,.26) 82%,rgba(3,7,22,0) 100%);
  -webkit-backdrop-filter:blur(.7px);backdrop-filter:blur(.7px);
  -webkit-mask-image:radial-gradient(closest-side,rgba(0,0,0,.25) 8%,#000 30%,#000 74%,transparent 100%);
  mask-image:radial-gradient(closest-side,rgba(0,0,0,.25) 8%,#000 30%,#000 74%,transparent 100%);
}
/* 中核のリングは、流入した光の着弾（1.77s／3.47s）に合わせて広がる */
.motion-ready .hero__ring{animation:core-ring 5.2s ease-out infinite;animation-delay:-3.43s;}
.motion-ready .hero__ring--outer{animation-delay:-1.73s;}
.motion-ready .hero__media{animation:hero-breathe 24s ease-in-out infinite alternate;transform-origin:72% 50%;}
.hero__bottom{position:relative;display:flex;justify-content:space-between;align-items:center;gap:20px;width:min(100% - 40px,var(--wrap));margin:0 auto;padding:0 0 26px;}
.scroll-cue{display:inline-flex;align-items:center;gap:13px;color:#bed5ee;font-size:12px;font-weight:700;letter-spacing:.06em;text-decoration:none;}
.scroll-cue:hover{color:#fff;}
.scroll-cue__line{position:relative;width:1px;height:32px;background:rgba(164,220,255,.24);overflow:hidden;}
.scroll-cue__line::after{content:"";position:absolute;left:0;top:-14px;width:1px;height:14px;background:#b4efff;}
.motion-ready .scroll-cue__line::after{animation:scroll-cue 2.4s ease-in-out infinite;}
.motion-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:none;min-height:44px;padding:8px 13px;border:1px solid rgba(165,209,244,.3);border-radius:4px;background:rgba(6,16,39,.65);color:#d4e5f6;font-size:11px;cursor:pointer;}
.motion-toggle[hidden]{display:none;}
.motion-toggle:hover{border-color:#9dddf7;background:#10254a;}
.motion-toggle__icon{font-size:13px;width:14px;line-height:1;}

/* Small points of light trace the existing figure; no labels are covered. */
.architecture-signals{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;}
.architecture-signal{stroke:#c4f6ff;stroke-width:2.2;stroke-dasharray:2 98;stroke-dashoffset:3;opacity:0;filter:drop-shadow(0 0 3px #3fcbff);}
.motion-ready .architecture-signal{animation:signal-travel 5.8s linear infinite;animation-delay:var(--signal-delay,0s);}
.figure--wide .zoom:hover img{transform:none;}
.flow__col{position:relative;overflow:hidden;}
.flow__col::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,#9decff,transparent);opacity:0;transform:scaleX(.5);}
.motion-ready .flow__col::after{animation:flow-pulse 7.2s ease-in-out infinite;}
.motion-ready .flow__col:nth-child(3)::after{animation-delay:1.4s;}
.motion-ready .flow__col:nth-child(5)::after{animation-delay:2.8s;}
.motion-ready .flow__arrow:not(.reveal)::after{animation:arrow-pulse 7.2s ease-in-out infinite;animation-delay:.9s;}
.motion-ready .flow__arrow:nth-child(4):not(.reveal)::after{animation-delay:2.3s;}

/* ---------- Scroll reveal ----------
   見出し → 説明文 → メイン画像 → 補足カード の順に、120ms 間隔で現れる（順序と間隔は js/main.js）。
   完了後は .reveal を外し、ぼかし・transform を残さない（画像が滲まないように）。 */
.reveal{
  opacity:0;transform:translate3d(0,22px,0);filter:blur(3px);
  transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
.reveal.is-in{opacity:1;transform:none;filter:none;}
.reveal:focus-within{opacity:1;transform:none;filter:none;}
/* P2構成図：scale .97 → 1 でフェードイン（細かい文字が多いため、ぼかしは使わない） */
.reveal--scale{transform:scale(.97);filter:none;transition-duration:.9s;}
/* セクション見出しの縦バー：上から伸びる */
.reveal--bar{opacity:1;transform:none;filter:none;}
.reveal--bar::before{transform:scaleY(0);transition:transform .7s var(--ease) var(--reveal-delay,0ms);}
.reveal--bar.is-in::before{transform:none;}
/* カード間の矢印：線が左から右へ伸び、最後に矢じりが出る */
.reveal--line{opacity:1;transform:none;filter:none;}
.reveal--line .flow__arrow-line{transform:scaleX(0);transition:transform .5s var(--ease) var(--reveal-delay,0ms);}
.reveal--line.is-in .flow__arrow-line{transform:none;}
.reveal--line::after{opacity:0;translate:-8px 0;transition:opacity .3s ease calc(var(--reveal-delay,0ms) + 320ms),translate .4s var(--ease) calc(var(--reveal-delay,0ms) + 320ms);}
.reveal--line.is-in::after{opacity:1;translate:0 0;}

/* ---------- Hero：読み込み時に上から順に ---------- */
.js-motion .hero__inner>*{animation:hero-in .8s var(--ease) both;}
.js-motion .hero__inner>:nth-child(2){animation-delay:.12s;}
.js-motion .hero__inner>:nth-child(3){animation-delay:.24s;}
.js-motion .hero__inner>:nth-child(4){animation-delay:.36s;}
.js-motion .hero__inner>:nth-child(5){animation-delay:.48s;}

/* ---------- P2構成図：周囲の弱いglowと、データが中核へ集まり外へ流れる光 ---------- */
.arch-stage{position:relative;isolation:isolate;}
.arch-stage::before{
  content:"";position:absolute;inset:-22px -18px;z-index:-1;border-radius:28px;pointer-events:none;
  background:radial-gradient(58% 62% at 50% 50%,rgba(38,128,240,.42),rgba(38,128,240,.12) 62%,rgba(38,128,240,0) 78%);
  filter:blur(16px);opacity:0;transition:opacity 1.4s ease;
}
.figure--arch .zoom{box-shadow:0 0 0 1px rgba(110,190,255,.12);transition:box-shadow 1.2s ease;}
.figure--arch.is-lit .arch-stage::before{opacity:.55;}
.figure--arch.is-lit .zoom{box-shadow:0 0 0 1px rgba(120,200,255,.28),0 18px 50px rgba(2,8,28,.55);}
.motion-ready .figure--arch.is-lit .arch-stage::before{animation:arch-glow 7.2s ease-in-out infinite;}
.arch-flow{position:absolute;inset:0;overflow:hidden;pointer-events:none;mix-blend-mode:screen;opacity:0;transition:opacity 1.4s ease;}
.figure--arch.is-lit .arch-flow{opacity:1;}
.arch-flow__in,.arch-flow__out{
  position:absolute;top:0;bottom:0;left:0;width:30%;opacity:0;
  background:linear-gradient(90deg,rgba(60,150,255,0),rgba(96,184,255,.13) 50%,rgba(60,150,255,0));
}
.arch-flow__core{
  position:absolute;left:48.4%;top:46.6%;width:21%;aspect-ratio:1;border-radius:50%;opacity:0;
  translate:-50% -50%;scale:.55;
  background:radial-gradient(circle,rgba(120,210,255,0) 46%,rgba(120,210,255,.2) 60%,rgba(120,210,255,0) 71%);
}
.motion-ready .figure--arch.is-lit .arch-flow__in{animation:arch-in 7.2s cubic-bezier(.45,0,.3,1) infinite;}
.motion-ready .figure--arch.is-lit .arch-flow__core{animation:arch-core 7.2s ease-out infinite;}
.motion-ready .figure--arch.is-lit .arch-flow__out{animation:arch-out 7.2s cubic-bezier(.45,0,.3,1) infinite;}

/* 中核カード：hoverで軽いglowとborderの明るさ変化 */
.flow__col:not(.reveal){transition:border-color .35s var(--ease),box-shadow .35s var(--ease);}
.flow__col--core{box-shadow:0 0 0 1px rgba(90,180,240,.12),0 0 22px rgba(40,130,230,.16);}
.flow__col--core:hover{border-color:rgba(140,220,255,.9);box-shadow:0 0 0 1px rgba(130,215,255,.35),0 0 30px rgba(50,150,240,.38),inset 0 0 26px rgba(80,170,255,.12);}

/* Native HTML screenshots become an accessible, manually controlled gallery. */
.screen-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;margin-bottom:0;border:1px solid #c7d8ea;border-bottom:0;background:#d7e3ef;border-radius:8px 8px 0 0;overflow:hidden;}
.screen-tab{position:relative;display:flex;align-items:center;justify-content:center;gap:11px;min-width:0;min-height:70px;padding:12px 14px;border:0;background:#eef4fb;color:var(--ink);font-size:14px;font-weight:700;line-height:1.6;text-align:left;cursor:pointer;transition:background .22s,color .22s;}
.screen-tab__num{font-size:11px;color:var(--blue-500);letter-spacing:.06em;font-weight:400;}
.screen-tab[aria-selected="true"]{background:linear-gradient(120deg,#102956,#164d8b);color:#fff;}
.screen-tab[aria-selected="true"] .screen-tab__num{color:#a3defd;}
.screen-tab[aria-selected="true"]::after{content:"";position:absolute;bottom:0;left:16px;right:16px;height:3px;background:#83d9fa;}
.screen-tab:hover:not([aria-selected="true"]){background:#dcebf8;}
.screen-tab:focus-visible{outline-offset:-4px;}
.screens--interactive{display:block;}
.screens--interactive .screen{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);grid-template-rows:auto 1fr;gap:0 clamp(24px,3vw,44px);align-items:start;padding:clamp(22px,3.2vw,42px);border:1px solid #c7d8ea;border-radius:0 0 8px 8px;box-shadow:0 14px 36px rgba(17,46,83,.10);}
.screens--interactive .screen[hidden]{display:none;}
.screens--interactive .screen__head{grid-column:2;grid-row:1;padding:12px 0 18px;min-width:0;}
/* タブ側に 01〜04 を出すため、パネル内の番号は非表示（JS無効時は従来どおり表示） */
.screens--interactive .screen__no{display:none;}
.screens--interactive .screen__head{grid-template-columns:1fr;}
.screens--interactive .figure{grid-column:1;grid-row:1 / 3;margin:0;background:#f1f5fb;aspect-ratio:1326 / 1006;display:flex;align-items:center;border:1px solid #d9e4f1;border-radius:5px;overflow:hidden;}
.screens--interactive .zoom{border:0;border-radius:0;}
.screens--interactive .screen__body{grid-column:2;grid-row:2;min-width:0;}
.screens--interactive .screen__body ul li{font-size:.86rem;}
.motion-ready .screens--interactive .screen:not([hidden]){animation:screen-enter .38s var(--ease) both;}
.screen-gallery-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:16px;}
.screen-gallery-foot p{font-size:12px;color:#586b85;margin:0;}
.screen-gallery-controls{display:flex;gap:8px;flex:none;}
.screen-gallery-controls button{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid #b8cce1;border-radius:4px;background:transparent;color:var(--blue-600);font-size:18px;cursor:pointer;}
.screen-gallery-controls button:hover{background:#dcebf8;}
.screen-gallery-status{min-width:44px;text-align:center;align-self:center;font-size:12px;color:var(--blue-600);font-variant-numeric:tabular-nums;}
.stat__big{font-variant-numeric:tabular-nums;}
.lightbox.is-zoomed .lightbox__stage{display:block;}
.lightbox.is-zoomed .lightbox__stage img{margin:auto;}
.lightbox__help{padding-inline:14px;pointer-events:none;}
.btn--primary{position:relative;overflow:hidden;}
.btn--primary::before{content:"";position:absolute;top:-30%;left:-45%;width:24%;height:160%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.19),transparent);transform:skewX(-22deg);pointer-events:none;}
@media (hover:hover) and (prefers-reduced-motion:no-preference){
  .btn--primary:hover::before{animation:button-sheen .7s ease-out;}
}

/* Equal-width tabs also work on a phone, without horizontal scrolling. */
@media (max-width:900px){
  .screen-tab{gap:6px;padding-inline:8px;font-size:12px;}
  .screens--interactive .screen{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:0 22px;}
  .screens--interactive .screen__head h3{font-size:18px;}
}
@media (max-width:680px){
  /* モバイルは動きを控えめに：移動量を減らし、ぼかし・光の流れは使わない */
  .reveal{transform:translate3d(0,14px,0);filter:none;transition-duration:.55s;}
  .reveal--scale{transform:scale(.985);}
  .reveal--bar,.reveal--line{transform:none;}
  .js-motion .hero__inner>*{animation-name:hero-in-sm;animation-duration:.6s;}
  .arch-flow{display:none;}
  .arch-stage::before{inset:-10px;filter:blur(10px);}
  .hero__bottom{width:calc(100% - 40px);gap:12px;padding-bottom:22px;}
  .scroll-cue{gap:9px;font-size:10px;letter-spacing:0;}
  .motion-toggle{font-size:10px;padding:6px 10px;}
  .hero__signals{opacity:.65;}
  .screen-tabs{grid-template-columns:repeat(2,minmax(0,1fr));}
  .screen-tab{justify-content:flex-start;min-height:58px;padding:10px 13px;font-size:12px;gap:8px;}
  .screens--interactive .screen{display:flex;flex-direction:column;gap:0;padding:18px;}
  .screens--interactive .screen__head{order:0;padding:0 0 16px;width:100%;}
  .screens--interactive .figure{order:1;width:100%;flex:none;margin-bottom:22px;}
  .screens--interactive .screen__body{order:2;}
  .screen-gallery-foot{align-items:flex-start;}
  .screen-gallery-foot p{font-size:10px;max-width:15em;}
}

/* Pause when offscreen, in a background tab, by request, or via OS preference. */
.motion-ready [data-motion-region]:not(.is-motion-visible),
.motion-ready [data-motion-region]:not(.is-motion-visible) *,
.motion-ready [data-motion-region]:not(.is-motion-visible) *::before,
.motion-ready [data-motion-region]:not(.is-motion-visible) *::after,
.motion-paused *, .motion-paused *::before, .motion-paused *::after,
.page-backgrounded *, .page-backgrounded *::before, .page-backgrounded *::after{animation-play-state:paused!important;}
.motion-paused{scroll-behavior:auto;}
.motion-paused .reveal{opacity:1;transform:none;filter:none;transition:none;}
.motion-paused .reveal--line .flow__arrow-line,.motion-paused .reveal--bar::before{transform:none;transition:none;}
.motion-paused .reveal--line::after{opacity:1;translate:none;transition:none;}
.motion-paused .hero__inner>*{animation:none;}
.motion-paused .hero__trail,.motion-paused .hero__head,.motion-paused .hero__ring{visibility:hidden;}
.motion-paused .screens--interactive .screen:not([hidden]){animation:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .hero__signals,.architecture-signals,.arch-flow{display:none;}
  .reveal{opacity:1;transform:none;filter:none;}
}
@media print{
  .screen-tabs,.screen-gallery-foot,.motion-toggle,.scroll-cue,.reading-progress,.architecture-signals,.hero__signals,.arch-flow{display:none!important;}
  .screens--interactive{display:block;}
  .screens--interactive .screen[hidden],.screens--interactive .screen{display:block;break-inside:avoid;margin-bottom:24px;}
  .reveal{opacity:1!important;transform:none!important;filter:none!important;}
  .reveal--line .flow__arrow-line,.reveal--bar::before{transform:none!important;}
  .reveal--line::after{opacity:1!important;translate:none!important;}
  .site-header,.cta-bar{position:static;}
}

@keyframes signal-travel{0%{stroke-dashoffset:3;opacity:0;}12%{opacity:.85;}72%{opacity:.7;}88%,100%{stroke-dashoffset:-100;opacity:0;}}
@keyframes core-ring{0%{opacity:0;transform:scale(.85);}16%{opacity:.16;}58%,100%{opacity:0;transform:scale(1.28);}}
/* 1周期5.2sのうち最初の約1.8s（0〜34%）で経路を走り切り、残りは休む。tail の先端に head を重ねる（offset差 = 22-5）。 */
@keyframes route-trail{0%{stroke-dashoffset:22;}34%,100%{stroke-dashoffset:-100;}}
@keyframes route-head{0%{stroke-dashoffset:5;}34%,100%{stroke-dashoffset:-117;}}
@keyframes route-fade{0%{opacity:0;}5%,28%{opacity:var(--peak);}34%,100%{opacity:0;}}
@keyframes hero-breathe{from{transform:scale(1);}to{transform:scale(1.035);}}
@keyframes scroll-cue{0%{transform:translateY(0);}65%,100%{transform:translateY(48px);}}
@keyframes flow-pulse{0%,42%,100%{opacity:0;transform:scaleX(.55);}12%,24%{opacity:1;transform:scaleX(1);}}
@keyframes arrow-pulse{0%,40%,100%{opacity:.35;}10%,25%{opacity:1;}}
@keyframes screen-enter{from{opacity:.35;transform:translateY(8px);}to{opacity:1;transform:none;}}
@keyframes button-sheen{to{left:130%;}}
@keyframes hero-in{from{opacity:0;transform:translate3d(0,20px,0);filter:blur(3px);}to{opacity:1;transform:none;filter:none;}}
@keyframes hero-in-sm{from{opacity:0;transform:translate3d(0,12px,0);}to{opacity:1;transform:none;}}
@keyframes arch-glow{0%,100%{opacity:.4;}50%{opacity:.58;}}
/* 30%幅の光を、左端の外 → 中核（48.4%）→ 右端の外 へ。translateX は自身の幅（=図の30%）基準 */
@keyframes arch-in{0%{transform:translateX(-100%);opacity:0;}10%{opacity:1;}38%{opacity:.9;}46%,100%{transform:translateX(111%);opacity:0;}}
@keyframes arch-core{0%,42%{opacity:0;scale:.55;}52%{opacity:1;}74%,100%{opacity:0;scale:1.2;}}
@keyframes arch-out{0%,48%{transform:translateX(111%);opacity:0;}56%{opacity:.9;}84%{opacity:.7;}94%,100%{transform:translateX(333%);opacity:0;}}

/* 縦並び（900px以下）では矢印を下向きに。.reveal--line の transform:none より優先させる */
@media (max-width:900px){
  .flow__arrow.reveal--line{transform:rotate(90deg);}
}