:root{color-scheme:dark;--panel:rgba(6,17,36,.88);--panel2:rgba(9,29,56,.76);--text:#f7fbff;--muted:#b9c8db;--line:rgba(122,203,255,.25);--blue:#78d0ff;--blue2:#c4ecff;--max:1180px;--shadow:0 28px 90px rgba(0,0,0,.36)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(circle at 75% 8%,rgba(31,126,255,.18),transparent 29%),radial-gradient(circle at 12% 28%,rgba(74,176,255,.10),transparent 24%),linear-gradient(180deg,#010611 0%,#03101f 46%,#020713 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans JP",sans-serif;line-height:1.72;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:radial-gradient(circle at 15% 10%,#bfe8ff 0 1px,transparent 1.5px),radial-gradient(circle at 72% 18%,#8bcfff 0 1px,transparent 1.4px),radial-gradient(circle at 38% 68%,#d9f4ff 0 1px,transparent 1.4px),radial-gradient(circle at 84% 78%,#73bdff 0 1px,transparent 1.5px);background-size:180px 180px,240px 240px,310px 310px,220px 220px}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:calc(16px + env(safe-area-inset-top)) 2px 14px}.brand{display:flex;align-items:center;gap:10px;min-width:0;color:var(--text);text-decoration:none}.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:50%;box-shadow:0 0 22px rgba(94,189,255,.18)}.brand-copy{min-width:0}.brand-name{display:block;font-weight:900;letter-spacing:.12em;font-size:.94rem;white-space:nowrap}.brand-sub{display:block;color:var(--muted);font-size:.76rem;white-space:nowrap}.lang{display:flex;gap:8px;align-items:center;flex:0 0 auto}.lang a,.lang span{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:6px 11px;border:1px solid var(--line);border-radius:999px;color:var(--blue2);text-decoration:none;font-size:.84rem;background:rgba(5,17,36,.55);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px)}.lang .current{background:rgba(120,208,255,.16);color:#fff}.hero-showcase{padding:10px 0 30px}.hero-card{position:relative;overflow:hidden;border:1px solid rgba(156,221,255,.30);border-radius:28px;background:#020817;box-shadow:var(--shadow)}.hero-card:after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 90px rgba(36,150,255,.13);pointer-events:none}.hero-card img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}.hero-intro{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(300px,.72fr);gap:18px;align-items:stretch;margin-top:18px}.hero-copy,.lumi-guide{border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,rgba(7,20,43,.91),rgba(4,13,29,.89));box-shadow:0 18px 55px rgba(0,0,0,.22);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.hero-copy{padding:clamp(24px,3vw,34px)}.eyebrow{margin:0 0 8px;color:var(--blue);font-weight:900;letter-spacing:.14em;font-size:.78rem}.hero-copy h1{margin:0;font-family:Georgia,"Times New Roman",serif;font-weight:500;font-size:clamp(2.15rem,4.7vw,4.5rem);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}.hero-copy .lead{margin:17px 0 0;color:#d5e2f2;font-size:clamp(1rem,1.65vw,1.24rem);max-width:820px}.boundary{margin:16px 0 0;padding:13px 16px;border-left:3px solid var(--blue);background:linear-gradient(90deg,rgba(107,199,255,.10),rgba(107,199,255,.02));color:#edfaff;font-weight:720}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.lumi-guide{position:relative;overflow:hidden;min-height:320px;display:flex;align-items:flex-end}.lumi-guide-portrait{position:absolute;inset:0}.lumi-guide-portrait:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(1,7,18,.03) 8%,rgba(2,8,18,.30) 49%,rgba(2,8,18,.97) 100%)}.lumi-guide-portrait img{width:100%;height:100%;object-fit:cover;object-position:80% center;display:block;transform:scale(1.045)}.lumi-guide-copy{position:relative;z-index:1;padding:22px 23px 24px}.lumi-guide-label{display:block;color:#9fdcff;letter-spacing:.14em;font-size:.72rem;font-weight:900}.lumi-guide-copy strong{display:block;margin-top:5px;font-family:Georgia,"Times New Roman",serif;font-size:1.45rem;line-height:1.15}.lumi-guide-copy p{margin:8px 0 0;color:#c7d8eb;font-size:.92rem}.section{margin:22px 0;padding:clamp(24px,3vw,32px);border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,var(--panel),rgba(4,13,28,.9));box-shadow:0 20px 60px rgba(0,0,0,.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.section h2{margin:0 0 12px;font-size:clamp(1.62rem,3vw,2.35rem);line-height:1.2;text-wrap:balance}.section p{margin:10px 0;color:var(--muted)}.section strong{color:white}.why{border-color:rgba(115,201,255,.42)}.share-box{background:linear-gradient(135deg,rgba(14,55,96,.90),rgba(5,22,46,.94));border-color:rgba(115,201,255,.50)}.share-box .callout{font-size:clamp(1.12rem,2vw,1.48rem);color:white;font-weight:760}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.button{appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--line);border-radius:999px;padding:11px 17px;background:#0d2c4f;color:white;font:inherit;font-weight:820;text-decoration:none;cursor:pointer;transition:.16s ease;touch-action:manipulation}.button.primary{background:linear-gradient(180deg,#d7f4ff,#79d1ff);color:#03101f;border-color:transparent;box-shadow:0 8px 28px rgba(69,180,255,.24)}.button:hover,.route:hover{transform:translateY(-1px);filter:brightness(1.06)}.button:focus-visible,.route:focus-visible,.lang a:focus-visible{outline:2px solid #bdeaff;outline-offset:3px}.status{min-height:1.4em;margin-top:10px;color:var(--blue2);font-size:.92rem}.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.role{min-width:0;padding:17px;border:1px solid var(--line);border-radius:16px;background:var(--panel2)}.role h3{margin:0 0 6px;font-size:1.05rem}.role p{margin:0;font-size:.94rem}.routes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.route{display:block;min-width:0;min-height:100%;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel2);text-decoration:none;color:white;transition:.15s ease;touch-action:manipulation}.route.primary{border-color:rgba(115,201,255,.58);background:linear-gradient(180deg,rgba(16,65,108,.92),rgba(7,27,52,.92))}.route-title{display:block;font-weight:850;font-size:1.05rem}.route-desc{display:block;margin-top:4px;color:var(--muted);font-size:.92rem}.note{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:30px 0 calc(44px + env(safe-area-inset-bottom));color:#8fa4bc;font-size:.84rem}
/* Laptop / landscape tablet */
@media(max-width:1080px){.shell{width:min(var(--max),calc(100% - 24px))}.hero-intro{grid-template-columns:minmax(0,1.12fr) minmax(280px,.88fr)}.hero-copy{padding:26px}.lumi-guide{min-height:300px}.hero-copy h1{font-size:clamp(2.1rem,5.1vw,3.75rem)}}
/* Portrait tablet and compact landscape */
@media(max-width:860px){.topbar{padding-top:calc(13px + env(safe-area-inset-top))}.hero-showcase{padding-top:7px}.hero-intro{grid-template-columns:1fr;gap:14px;margin-top:14px}.hero-copy{order:1}.lumi-guide{order:2;min-height:360px}.lumi-guide-portrait img{object-position:78% center}.roles,.routes{grid-template-columns:1fr}.section{margin:18px 0}.route{padding:17px 18px}}
/* Phones */
@media(max-width:600px){.shell{width:min(var(--max),calc(100% - 16px))}.topbar{gap:9px;padding:calc(10px + env(safe-area-inset-top)) 1px 10px}.brand{gap:7px}.brand-mark{width:32px;height:32px;flex-basis:32px}.brand-name{font-size:.82rem;letter-spacing:.09em}.brand-sub{display:none}.lang{gap:5px}.lang a,.lang span{min-height:38px;padding:5px 9px;font-size:.78rem}.hero-showcase{padding-top:4px;padding-bottom:20px}.hero-card{border-radius:17px;box-shadow:0 18px 56px rgba(0,0,0,.34)}.hero-card:after{box-shadow:inset 0 0 48px rgba(36,150,255,.12)}.hero-card img{aspect-ratio:16/9}.hero-intro{gap:10px;margin-top:10px}.hero-copy{padding:20px 18px}.eyebrow{font-size:.70rem;letter-spacing:.12em}.hero-copy h1{font-size:clamp(2rem,11vw,3.15rem);line-height:1.01}.hero-copy .lead{font-size:.98rem;line-height:1.68}.boundary{padding:12px 13px;font-size:.95rem}.hero-actions{gap:8px;margin-top:17px}.lumi-guide{min-height:280px;border-radius:18px}.lumi-guide-portrait img{object-position:79% center;transform:scale(1.04)}.lumi-guide-copy{padding:18px 18px 20px}.lumi-guide-copy strong{font-size:1.3rem}.section{padding:20px 18px;border-radius:18px;margin:13px 0}.section h2{font-size:clamp(1.55rem,8vw,2rem)}.section p{font-size:.97rem}.actions,.hero-actions{display:grid;grid-template-columns:1fr;gap:8px}.actions .button,.hero-actions .button{width:100%;text-align:center}.button{min-height:46px;padding:11px 14px}.role,.route{border-radius:14px}.role{padding:15px}.route{padding:16px}.note{font-size:.89rem}footer{font-size:.78rem;padding-top:24px}}
/* Narrow phones */
@media(max-width:380px){.shell{width:min(var(--max),calc(100% - 12px))}.brand-mark{width:30px;height:30px;flex-basis:30px}.brand-name{font-size:.76rem}.lang a,.lang span{padding:4px 8px;font-size:.74rem}.hero-copy{padding:18px 15px}.hero-copy h1{font-size:clamp(1.9rem,10.7vw,2.65rem)}.hero-copy .lead,.boundary,.section p{font-size:.93rem}.section{padding:18px 15px}.lumi-guide{min-height:255px}.lumi-guide-copy{padding:16px}.route{padding:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.route{transition:none}.button:hover,.route:hover{transform:none}}
/* Evaluation gateway: red-pin eyecatch for prior-art comparison */
.evaluation-gateway{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;margin:18px 0 24px;padding:18px 20px;border:1px solid rgba(255,122,122,.38);border-radius:18px;background:linear-gradient(135deg,rgba(12,29,54,.96),rgba(5,16,34,.96));color:white;text-decoration:none;box-shadow:0 16px 44px rgba(0,0,0,.24);transition:.16s ease;touch-action:manipulation}
.evaluation-pin{display:block;font-size:2.8rem;line-height:1;transform:rotate(-8deg);filter:drop-shadow(0 6px 10px rgba(0,0,0,.32))}
.evaluation-copy{display:block;min-width:0}
.evaluation-label{display:block;margin:1px 0 4px;color:#ffb1b1;font-size:.76rem;font-weight:900;letter-spacing:.12em}
.evaluation-gateway h2{margin:0;font-size:clamp(1.18rem,2vw,1.5rem);line-height:1.3;font-family:inherit;font-weight:850;letter-spacing:0;text-wrap:balance}
.evaluation-desc{display:block;margin-top:6px;color:#cbd8e8;font-size:.94rem;line-height:1.62}
.evaluation-link{display:inline-flex;align-items:center;gap:8px;margin-top:10px;color:#fff;font-size:.94rem;font-weight:850;text-decoration:underline;text-decoration-color:rgba(255,177,177,.58);text-underline-offset:4px}
.evaluation-gateway:hover{transform:translateY(-1px);border-color:rgba(255,142,142,.68);filter:brightness(1.04)}
.evaluation-gateway:focus-visible{outline:2px solid #ffb1b1;outline-offset:4px}
@media(max-width:600px){.evaluation-gateway{grid-template-columns:42px minmax(0,1fr);gap:10px;margin:12px 0 16px;padding:15px 14px;border-radius:16px}.evaluation-pin{font-size:2.35rem}.evaluation-label{font-size:.69rem}.evaluation-gateway h2{font-size:1.12rem}.evaluation-desc,.evaluation-link{font-size:.9rem}}
@media(prefers-reduced-motion:reduce){.evaluation-gateway{transition:none}.evaluation-gateway:hover{transform:none}}