:root{--cream:#fff;--cream-deep:#f4f7fb;--paper:#fff;--ink:#101c28;--ink-soft:#454e58;--ink-mute:#747b83;--rule:#dad7d0;--forest:#003821;--forest-deep:#002212;--leaf:#00703e;--amber:#faab3f;--amber-soft:#ffd79f;--ember:#e9693a;--todai-red:#ac3031;--shadow-1:0 1px 2px #0f171f0d, 0 4px 18px #0f171f0d;--shadow-2:0 2px 4px #0f171f0f, 0 18px 48px #0f171f14}@supports (color:lab(0% 0 0)){:root{--cream:lab(100% 0 0);--cream-deep:lab(97.0954% -.662327 -2.14621);--paper:lab(100% 0 0);--ink:lab(9.43427% -2.09934 -10.2805);--ink-soft:lab(32.6918% -1.96417 -7.03374);--ink-mute:lab(51.2639% -1.57028 -5.31992);--rule:lab(86.131% -.00602007 3.82686);--forest:lab(19.7194% -23.4978 9.21264);--forest-deep:lab(10.3035% -19.3451 7.5861);--leaf:lab(41.2239% -38.6305 19.9727);--amber:lab(76.5149% 23.7685 64.3943);--amber-soft:lab(88.4317% 10.0145 35.4288);--ember:lab(60.3828% 48.4374 50.538);--todai-red:lab(40.3901% 50.5466 30.7736);--shadow-1:0 1px 2px lab(7.18439% -1.49957 -6.86639/.05), 0 4px 18px lab(7.18439% -1.49957 -6.86639/.05);--shadow-2:0 2px 4px lab(7.18439% -1.49957 -6.86639/.06), 0 18px 48px lab(7.18439% -1.49957 -6.86639/.08)}}.top-page *{box-sizing:border-box}.top-page{background:var(--cream);color:var(--ink);font-feature-settings:"palt";-webkit-font-smoothing:antialiased;letter-spacing:.01em;font-family:Noto Sans JP,Inter,system-ui,sans-serif;line-height:1.7}.top-page .serif{font-family:Noto Serif JP,Noto Sans JP,serif}.top-page .mono{font-family:ui-monospace,SF Mono,Menlo,monospace}.top-page img,.top-page svg{max-width:100%;display:block}.top-page a{color:inherit;text-decoration:none}.top-page h1,.top-page h2,.top-page h3,.top-page h4{letter-spacing:.02em;margin:0;font-weight:800;line-height:1.35}.top-page p{margin:0}.top-page .container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}.top-page .hdr{z-index:50;background:color-mix(in oklch, var(--cream) 82%, transparent);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--rule);position:sticky;top:0}.top-page .hdr-inner{justify-content:space-between;align-items:center;height:72px;display:flex}.top-page .brand{letter-spacing:.02em;color:var(--forest-deep);align-items:center;gap:10px;font-weight:900;display:flex}.top-page .brand-mark{width:28px;height:28px;position:relative}.top-page .brand-name{font-size:18px}.top-page .brand-name small{letter-spacing:.24em;color:var(--ink-mute);margin-top:2px;font-size:10px;font-weight:600;display:block}.top-page .nav{align-items:center;gap:4px;display:flex}.top-page .nav a{color:var(--ink-soft);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:600;transition:all .15s}.top-page .nav a:hover{background:var(--cream-deep);color:var(--ink)}.top-page .nav .apply-btn{background:var(--forest);color:#fff;letter-spacing:.1em;border-radius:999px;margin-left:10px;padding:10px 18px;font-size:13px;font-weight:700}.top-page .nav .apply-btn:hover{background:var(--forest-deep)}.top-page .hero{background:var(--cream);min-height:680px;padding:96px 0 120px;position:relative;overflow:hidden}.top-page .hero:before{content:"";pointer-events:none;background-image:linear-gradient(110deg,#fffdf7fa 0%,#fffdf7eb 32%,#fffdf78c 60%,#14261c59 100%),url(https://images.unsplash.com/photo-1529390079861-591de354faf5?auto=format&fit=crop&w=2000&q=80);background-position:100%;background-size:cover;position:absolute;inset:0}.top-page .hero:after{content:"";background-image:linear-gradient(to right, color-mix(in oklch, var(--ink) 4%, transparent) 1px, transparent 1px), linear-gradient(to bottom, color-mix(in oklch, var(--ink) 4%, transparent) 1px, transparent 1px);opacity:.4;pointer-events:none;background-size:56px 56px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 30% 30%,#000 0%,#0000 65%);mask-image:radial-gradient(at 30% 30%,#000 0%,#0000 65%)}.top-page .hero-inner{max-width:680px;display:block;position:relative}.top-page .pill{background:var(--paper);border:1px solid var(--rule);color:var(--ink-soft);letter-spacing:.06em;border-radius:999px;align-items:center;gap:8px;padding:6px 12px 6px 6px;font-size:12px;font-weight:600;display:inline-flex}.top-page .pill .tag{background:var(--forest);color:#fff;letter-spacing:.14em;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700}.top-page .hero-tabs{background:var(--paper);border:1px solid var(--rule);border-radius:999px;align-items:stretch;gap:0;padding:4px;display:inline-flex;box-shadow:0 1px 2px #10201808}.top-page .hero-tab{appearance:none;cursor:pointer;color:var(--ink-soft);letter-spacing:.06em;background:0 0;border:0;border-radius:999px;align-items:center;gap:8px;padding:6px 14px 6px 6px;font-family:inherit;font-size:12px;font-weight:600;transition:background .22s,color .22s;display:inline-flex}.top-page .hero-tab:hover{color:var(--ink)}.top-page .hero-tab.is-active{background:var(--cream);color:var(--ink)}.top-page .hero-tab .tag{background:var(--rule);color:var(--ink-soft);letter-spacing:.14em;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700;transition:background .22s,color .22s}.top-page .hero-tab.is-active .tag{background:var(--forest);color:#fff}.top-page .hero-reveal{opacity:0;border-top:1px solid #0000;max-height:0;margin-top:20px;transition:max-height .36s cubic-bezier(.4,0,.2,1),opacity .28s,margin-top .3s;overflow:hidden}.top-page .hero-reveal[data-open=true]{opacity:1;border-top-color:var(--rule);max-height:520px;margin-top:28px;padding-top:28px}.top-page .hero-reveal-track{width:300%;transition:transform .44s cubic-bezier(.4,0,.2,1);display:flex;transform:translate(0%)}.top-page .hero-reveal-track[data-idx="0"]{transform:translate(0%)}.top-page .hero-reveal-track[data-idx="1"]{transform:translate(-33.3333%)}.top-page .hero-reveal-track[data-idx="2"]{transform:translate(-66.6666%)}.top-page .hero-panel{box-sizing:border-box;flex:0 0 33.3333%;min-width:0;padding-right:24px}.top-page .panel-head{margin-bottom:20px}.top-page .panel-head h3{color:var(--ink);letter-spacing:.01em;margin-top:8px;font-size:22px;font-weight:600}.top-page .panel-head p{color:var(--ink-soft);max-width:560px;margin-top:8px;font-size:13px;line-height:1.8}.top-page .partners-grid{background:var(--rule);border:1px solid var(--rule);grid-template-columns:repeat(4,1fr);gap:1px;display:grid}.top-page .partner-cell{background:var(--paper);flex-direction:column;gap:4px;padding:14px 16px;display:flex}.top-page .partner-cell.muted{background:var(--cream)}.top-page .partner-cell .p-cat{letter-spacing:.18em;color:var(--forest);text-transform:uppercase;font-family:Inter,sans-serif;font-size:10px;font-weight:700}.top-page .partner-cell strong{color:var(--ink);font-size:13px;font-weight:600;line-height:1.5}.top-page .partner-cell small{color:var(--ink-mute);letter-spacing:.04em;font-size:11px}.top-page .beta-stages{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;display:grid}.top-page .b-stage{background:var(--paper);border:1px solid var(--rule);align-items:flex-start;gap:12px;padding:16px 16px 18px;display:flex}.top-page .b-num{color:var(--forest);letter-spacing:-.02em;font-family:Inter,sans-serif;font-size:20px;font-weight:800;line-height:1}.top-page .b-stage strong{color:var(--ink);margin-bottom:4px;font-size:13px;font-weight:600;display:block}.top-page .b-stage small{color:var(--ink-soft);font-size:11px;line-height:1.7}.top-page .beta-apply{align-self:flex-start}@media (max-width:900px){.top-page .partners-grid{grid-template-columns:repeat(2,1fr)}.top-page .beta-stages{grid-template-columns:1fr 1fr}.top-page .hero-tabs{border-radius:18px;flex-wrap:wrap}}.top-page .hero h1{letter-spacing:.005em;color:var(--ink);margin-top:28px;font-size:clamp(36px,5.4vw,64px);font-weight:800;line-height:1.25}.top-page .hero h1 .hl{background:linear-gradient(180deg, transparent 62%, var(--amber-soft) 62%);padding:0 4px}.top-page .hero h1 .emp{color:var(--forest)}.top-page .hero .lede{max-width:540px;color:var(--ink-soft);margin-top:28px;font-size:17px;line-height:1.95}.top-page .hero-cta{flex-wrap:wrap;align-items:center;gap:14px;margin-top:40px;display:flex}.top-page .btn{border-radius:999px;align-items:center;gap:10px;padding:16px 26px;font-size:15px;font-weight:700;transition:transform .12s,box-shadow .15s,background .15s;display:inline-flex}.top-page .btn-primary{background:var(--forest);color:#fff;box-shadow:var(--shadow-1)}.top-page .btn-primary:hover{background:var(--forest-deep);box-shadow:var(--shadow-2);transform:translateY(-1px)}.top-page .btn-ghost{color:var(--ink)}.top-page .btn-ghost:hover{background:var(--cream-deep)}.top-page .btn-accent{background:var(--amber-soft);color:var(--ink);border:1px solid color-mix(in oklch, var(--amber) 45%, var(--rule));box-shadow:none}.top-page .btn-accent:hover{background:color-mix(in oklch, var(--amber-soft) 80%, var(--amber) 20%);box-shadow:none;transform:none}.top-page .hero-meta{border-top:1px solid var(--rule);gap:32px;margin-top:44px;padding-top:28px;display:flex}.top-page .hero-meta div small{letter-spacing:.16em;color:var(--ink-mute);font-size:11px;font-weight:700;display:block}.top-page .hero-meta div strong{color:var(--ink);margin-top:4px;font-size:22px;font-weight:800;display:block}.top-page .hero-meta div strong em{color:var(--forest);font-style:normal}.top-page .hero-visual{aspect-ratio:4/5;max-height:620px;position:relative}.top-page .hv-card{box-shadow:var(--shadow-2);background:var(--paper);border:1px solid var(--rule);border-radius:20px;position:absolute;overflow:hidden}.top-page .hv-photo{background:linear-gradient(135deg,#31573f59,#061c3140),repeating-linear-gradient(45deg,#bfd4c5 0 14px,#d1dfd5 14px 28px);background:linear-gradient(135deg,lab(33.5105% -18.9094 9.72183/.35),lab(9.29654% -1.91629 -16.8524/.25)),repeating-linear-gradient(45deg,lab(83.0052% -9.29609 4.76285) 0 14px,lab(87.511% -6.1864 3.16859) 14px 28px);inset:0 0 18% 18%}.top-page .hv-photo:after{content:"{{ PHOTO: 東大生が社会課題の現場で働く様子 }}";color:var(--ink-soft);text-align:center;padding:0 14px;font-family:ui-monospace,Menlo,monospace;font-size:10px;position:absolute;inset:auto 0 16px}.top-page .hv-stat{background:var(--forest);color:#fff;width:52%;padding:22px;inset:32px auto auto 0}.top-page .hv-stat .big{color:var(--amber);letter-spacing:-.02em;font-family:Inter,sans-serif;font-size:54px;font-weight:900;line-height:1}.top-page .hv-stat .lbl{opacity:.85;letter-spacing:.08em;margin-top:10px;font-size:12px}.top-page .hv-quote{background:var(--paper);width:62%;padding:20px 22px;inset:auto 0 0 auto}.top-page .hv-quote .q{color:var(--ink);font-size:13px;line-height:1.7}.top-page .hv-quote .by{color:var(--ink-mute);letter-spacing:.06em;margin-top:10px;font-size:11px}.top-page .section{padding:100px 0}.top-page .eyebrow{letter-spacing:.22em;color:var(--forest);text-transform:uppercase;align-items:center;gap:10px;font-size:11px;font-weight:700;display:inline-flex}.top-page .eyebrow:before{content:"";background:var(--forest);width:24px;height:1px}.top-page .section-title{color:var(--ink);letter-spacing:.01em;margin-top:18px;font-size:clamp(26px,3.2vw,40px)}.top-page .section-sub{color:var(--ink-soft);max-width:640px;margin-top:18px;font-size:16px;line-height:1.9}.top-page .why{background:var(--cream-deep);position:relative}.top-page .why-grid{grid-template-columns:.9fr 1.1fr;align-items:start;gap:72px;margin-top:56px;display:grid}.top-page .why-cards{gap:36px;display:grid}.top-page .why-card{border:0;border-top:1px solid var(--rule);background:0 0;border-radius:0;padding:28px 0 4px;position:relative}.top-page .why-card.pain{color:var(--ink);border-color:var(--rule);background:0 0}.top-page .why-card .num{letter-spacing:.22em;color:var(--forest);font-family:Inter,sans-serif;font-size:11px;font-weight:700}.top-page .why-card.pain .num{color:var(--forest)}.top-page .why-card.pain p,.top-page .why-card.pain h3{color:inherit}.top-page .why-card h3{color:var(--ink);margin-top:12px;font-size:20px;line-height:1.5}.top-page .why-card p{color:var(--ink-soft);margin-top:10px;font-size:14px;line-height:1.95}.top-page .why-card.pain p{color:var(--ink-soft);opacity:1}.top-page .why-narrative{color:var(--ink);font-family:Noto Serif JP,serif;font-size:18px;font-weight:500;line-height:2}.top-page .why-narrative p+p{margin-top:22px}.top-page .why-narrative .drop{float:left;color:var(--forest);padding:8px 10px 4px 0;font-size:72px;font-weight:700;line-height:.9}.top-page .why-narrative em{background:linear-gradient(180deg, transparent 62%, var(--amber-soft) 62%);padding:0 2px;font-style:normal}.top-page .why-sign{color:var(--ink-mute);align-items:center;gap:14px;margin-top:28px;font-size:13px;display:flex}.top-page .why-sign .line{background:var(--rule);flex:1;height:1px}.top-page .what{background:var(--cream)}.top-page .what-diagram{grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:20px;margin-top:56px;display:grid}.top-page .diagram-node{border:0;border-top:1px solid var(--rule);background:0 0;border-radius:0;min-height:220px;padding:28px 24px 12px}.top-page .diagram-node.l{border-color:var(--rule);background:0 0}.top-page .diagram-node.c{background:var(--amber-soft);color:var(--ink);border-color:color-mix(in oklch, var(--amber) 40%, var(--rule));padding:28px 24px}.top-page .diagram-node.r{border-color:var(--rule);background:0 0}.top-page .diagram-node .tag{letter-spacing:.2em;border:1px solid var(--rule);color:var(--ink);background:0 0;border-radius:999px;padding:4px 10px;font-size:10px;font-weight:700;display:inline-block}.top-page .diagram-node.c .tag{background:var(--amber);color:var(--forest-deep);border-color:#0000}.top-page .diagram-node h4{color:var(--ink);margin-top:14px;font-size:18px}.top-page .diagram-node.c h4{color:var(--ink)}.top-page .diagram-node p{color:var(--ink-soft);margin-top:8px;font-size:13px;line-height:1.9}.top-page .diagram-node.c p{color:var(--ink-soft);opacity:1}.top-page .diagram-node ul{color:var(--ink-soft);flex-direction:column;gap:6px;margin:14px 0 0;padding:0;font-size:12px;list-style:none;display:flex}.top-page .diagram-node.c ul{color:var(--ink-soft);opacity:1}.top-page .diagram-node ul li:before{content:"・";color:var(--forest)}.top-page .diagram-node.c ul li:before{color:var(--forest)}.top-page .diagram-arrow{color:var(--ink-mute);align-self:center;font-size:24px}.top-page .target{background:var(--paper);color:var(--ink);position:relative;overflow:hidden}.top-page .target:before{content:"";background:radial-gradient(ellipse at 20% 100%, color-mix(in oklch, var(--amber) 20%, transparent), transparent 60%), radial-gradient(ellipse at 90% 10%, color-mix(in oklch, var(--leaf) 35%, transparent), transparent 55%);pointer-events:none;display:none;position:absolute;inset:0}.top-page .target .container{position:relative}.top-page .target .eyebrow{color:var(--forest)}.top-page .target .eyebrow:before{background:var(--forest)}.top-page .target .section-title{color:var(--ink)}.top-page .target .section-sub{color:var(--ink-soft)}.top-page .crayon{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 12' preserveAspectRatio='none'><path d='M2 7 C 20 3, 40 10, 60 6 S 100 3, 120 7 S 160 10, 180 5 S 220 8, 238 6' stroke='%23E8A13A' stroke-width='5' stroke-linecap='round' fill='none' opacity='0.85'/><path d='M4 8 C 24 5, 44 11, 64 8 S 104 5, 124 9 S 164 11, 184 7 S 224 9, 236 8' stroke='%23E8A13A' stroke-width='2.5' stroke-linecap='round' fill='none' opacity='0.55'/></svg>");background-position:0 88%;background-repeat:no-repeat;background-size:100% .42em;padding-bottom:.08em;display:inline;position:relative}.top-page .persona-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px;display:grid}.top-page .persona{border:0;border-top:1px solid var(--rule);-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-radius:0;padding:28px 0 4px}.top-page .persona .n{letter-spacing:.22em;color:var(--forest);font-family:Inter,sans-serif;font-size:11px;font-weight:700}.top-page .persona h4{color:var(--ink);margin-top:14px;font-size:20px;font-weight:600;line-height:1.55}.top-page .persona p{color:var(--ink-soft);margin-top:12px;font-size:13px;line-height:1.95}.top-page .persona .fit{color:var(--forest);letter-spacing:.05em;align-items:center;gap:8px;margin-top:18px;font-size:12px;font-weight:700;display:flex}.top-page .flow{background:var(--cream)}.top-page .flow-rail{grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;display:grid;position:relative}.top-page .flow-rail:before{content:"";background:repeating-linear-gradient(to right, var(--rule) 0 8px, transparent 8px 14px);height:2px;position:absolute;top:34px;left:40px;right:40px}.top-page .flow-step{position:relative}.top-page .flow-step .dot{background:var(--paper);border:2px solid var(--rule);width:68px;height:68px;color:var(--forest);z-index:1;border-radius:50%;place-items:center;margin:0 auto;font-family:Inter,sans-serif;font-size:20px;font-weight:900;display:grid;position:relative}.top-page .flow-step:first-child .dot{background:var(--amber);border-color:var(--amber);color:var(--forest-deep)}.top-page .flow-step:nth-child(2) .dot{background:var(--paper);border-color:var(--forest);color:var(--forest)}.top-page .flow-step:nth-child(3) .dot{background:var(--forest);border-color:var(--forest);color:var(--amber)}.top-page .flow-step:nth-child(4) .dot{background:var(--paper);border-color:var(--forest);color:var(--forest)}.top-page .flow-step h4{color:var(--ink);text-align:center;margin-top:20px;font-size:16px}.top-page .flow-step p{color:var(--ink-soft);text-align:center;margin-top:8px;font-size:13px;line-height:1.9}.top-page .flow-apply{justify-content:flex-end;margin-top:48px;display:flex}.top-page .apply-chip{background:color-mix(in oklch, var(--leaf) 20%, var(--paper));color:var(--forest-deep);letter-spacing:.06em;border:1px solid color-mix(in oklch, var(--leaf) 35%, var(--rule));border-radius:10px;align-items:center;gap:8px;padding:10px 18px;font-size:12px;font-weight:600;text-decoration:none;transition:background .18s,border-color .18s;display:inline-flex}.top-page .apply-chip:hover{background:color-mix(in oklch, var(--leaf) 28%, var(--paper));border-color:color-mix(in oklch, var(--leaf) 55%, var(--rule))}.top-page .ftr{background:var(--forest-deep);color:#fffc;color:lab(100% 0 0/.8);padding:48px 0 28px;font-size:13px}.top-page .ftr .row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.top-page .ftr .brand{color:#fff}.top-page .ftr .brand small{color:#ffffff8c;color:lab(100% 0 0/.55)}@media (max-width:860px){.top-page .nav{display:none}.top-page .hero-inner{grid-template-columns:1fr}.top-page .hero-visual{aspect-ratio:3/4;max-height:500px;margin-top:20px}.top-page .why-grid{grid-template-columns:1fr;gap:36px}.top-page .what-diagram{grid-template-columns:1fr}.top-page .diagram-arrow{text-align:center;transform:rotate(90deg)}.top-page .persona-grid{grid-template-columns:1fr}.top-page .flow-rail{grid-template-columns:1fr 1fr}.top-page .cta-box{padding:36px}.top-page .cta-box-inner{grid-template-columns:1fr}.top-page .hero-meta{flex-wrap:wrap;gap:20px}}