:root{--teal:#478e88;--pale-blue:#cfe0e9;--olive:#9caa37;--yellow:#f0d849;--coral:#e15035;--dark-gray:#2f343a;--dark-blue:#243b5a;--teal-deep:#3a736e;--teal-soft:#e4f0ee;--pale-blue-soft:#eef5f8;--olive-deep:#5e6a1c;--olive-soft:#eef2d3;--yellow-soft:#fbf0b5;--coral-deep:#b3371f;--coral-soft:#fbe3dd;--bg:#fff;--bg-soft:#f3f8fa;--text:var(--dark-gray);--heading:var(--dark-blue);--text-sub:#555c65;--muted:#6b727b;--border:#dce8ee;--primary:var(--teal-deep);--primary-soft:var(--teal-soft);--accent:var(--teal);--accent-2:var(--coral);--ok:var(--olive-deep);--ok-soft:var(--olive-soft);--warn:var(--dark-gray);--warn-soft:var(--yellow-soft);--radius:14px;--shadow:0 1px 2px #2f343a0d, 0 4px 16px #2f343a0f;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, 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var(--border);background:#ffffffeb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:56px;display:flex}.logo{color:var(--heading);letter-spacing:-.01em;align-items:baseline;gap:6px;font-weight:800;display:flex}.logo:hover{text-decoration:none}.logo-mark{color:var(--teal)}.logo-sub{font-family:var(--mono);color:var(--teal-deep);font-size:.75rem;font-weight:600}.lang-switch{border:1.5px solid var(--border);min-height:40px;color:var(--text);border-radius:999px;align-items:center;padding:0 16px;font-size:.9rem;font-weight:700;display:inline-flex}.lang-switch:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}.nav{scrollbar-width:none;gap:4px;padding-bottom:8px;display:flex;overflow-x:auto}.nav-link{color:var(--text-sub);border-radius:999px;flex-shrink:0;padding:6px 14px;font-size:.95rem;font-weight:600}.nav-link:hover{background:var(--primary-soft);color:var(--primary);text-decoration:none}@media (max-width:640px){.nav-link{padding:6px 8px}}.hero{padding:56px 0 40px;position:relative}.hero:before{content:"";z-index:-1;background:radial-gradient(600px 240px at 10% 20%,#478e8824,#0000 70%),radial-gradient(500px 220px at 90% 30%,#f0d84933,#0000 70%),linear-gradient(#243b5a0a 1px,#0000 1px) 0 0/100% 28px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 60%,#0000);mask-image:linear-gradient(#000 60%,#0000)}.hero-title{letter-spacing:-.02em;margin:0 0 16px;font-size:clamp(2rem,6vw,3.4rem);font-weight:800;line-height:1.15}.hero-lead{color:var(--text-sub);max-width:640px;margin:0 0 28px;font-size:1.05rem}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.btn{border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:0 24px;font-size:1rem;font-weight:700;display:inline-flex}.btn:hover{text-decoration:none}.btn-primary{background:var(--primary);color:var(--bg);box-shadow:0 4px 14px 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12px;font-size:clamp(1.6rem,5vw,2.2rem);line-height:1.3}.article-meta{flex-wrap:wrap;gap:4px 20px;margin:16px 0 0;font-size:.875rem;display:flex}.article-meta>div{gap:6px;display:flex}.article-meta dt{color:var(--muted)}.article-meta dd{margin:0}.article-tags{margin-top:32px}.article-event{border-left:3px solid var(--olive);flex-wrap:wrap;align-items:baseline;gap:2px 12px;margin:16px 0 0;padding:6px 0 6px 12px;font-size:.875rem;display:flex}.article-event-name{color:var(--text-sub)}.article-event a{font-weight:700}.related-posts{border-top:1px solid var(--border);max-width:760px;margin:56px auto 0;padding-top:28px}.related-title{color:var(--heading);margin:0 0 16px;font-size:1.2rem}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.related-card{background:var(--bg);border:1px solid 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h2:before{content:counter(article-h2);content:counter(article-h2) / "";box-sizing:border-box;background:url(/images/hackoo/hackoo-ears.png) 6px 9px / 60px auto no-repeat, var(--olive);color:#fff;letter-spacing:-.02em;text-align:center;border-radius:10px;width:152px;height:70px;margin-bottom:12px;padding:0 6px 0 66px;font-size:3.3rem;font-weight:800;line-height:70px;display:block}@media (max-width:640px){.article-body h2:before{background-position:5px 7px;background-size:50px;border-radius:9px;width:126px;height:58px;margin-bottom:10px;padding:0 5px 0 55px;font-size:2.7rem;line-height:58px}}.prose h3{color:var(--heading);margin:1.8em 0 .5em;font-size:1.12rem}.prose p,.prose ul,.prose ol{margin:0 0 1.2em}.prose li{margin-bottom:.3em}.prose blockquote{border-left:4px solid var(--teal);background:var(--primary-soft);border-radius:0 8px 8px 0;margin:0 0 1.2em;padding:8px 16px}.prose code{font-family:var(--mono);background:var(--bg-soft);border-radius:6px;padding:1px 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18px 20px}.about-hackoo-img{align-self:center;width:140px}}.lang-box{border-radius:var(--radius);background:linear-gradient(135deg, var(--pale-blue-soft), var(--teal-soft));border:1px solid var(--pale-blue);margin-bottom:20px;padding:20px}.lang-box-title{color:var(--heading);margin:0 0 12px;font-size:1rem}.lang-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin:0;display:grid}.lang-grid dt{color:var(--text-sub);font-size:.8rem}.lang-grid dd{margin:0;font-size:1.05rem;font-weight:700}.lang-grid .lang-source{margin:4px 0 0;padding:2px 10px;font-size:.85rem;display:table}.comment-box{border-left:4px solid var(--yellow);background:var(--bg-soft);border-radius:0 var(--radius) var(--radius) 0;margin-bottom:20px;padding:16px 20px}.comment-title{color:var(--text-sub);margin:0 0 4px;font-size:.85rem}.comment-box p{margin:0}.detail-table{border-top:1px solid var(--border);margin:0 0 24px}.detail-table>div{border-bottom:1px solid var(--border);grid-template-columns:8em 1fr;gap:12px;padding:12px 0;display:grid}.detail-table dt{color:var(--muted);font-size:.9rem}.detail-table dd{margin:0}.contact-note{border-left:3px solid var(--olive);color:var(--text-sub);margin:0 0 24px;padding:6px 0 6px 12px;font-size:.9rem;line-height:1.6}.experience-link{margin:-8px 0 24px;font-weight:700}.official-note{color:var(--heading);margin:0 0 12px;font-weight:700}.detail-actions{flex-wrap:wrap;gap:12px;margin-bottom:20px;display:flex}.verify-note{word-break:break-all;line-height:1.6}.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);color:var(--text-sub);padding:32px 0 40px;font-size:.875rem}.footer-note{margin:0 0 12px}.footer-links{flex-wrap:wrap;gap:8px 20px;margin-bottom:12px;display:flex}.copyright{color:var(--muted);margin:0}.select-page{background:radial-gradient(600px 300px at 15% 15%, #478e8824, transparent 70%), radial-gradient(600px 300px at 85% 85%, #f0d84938, transparent 70%), var(--bg);justify-content:center;align-items:center;min-height:100dvh;padding:40px 20px;display:flex}.select-inner{text-align:center;width:100%;max-width:560px}.select-title{color:var(--heading);letter-spacing:-.02em;margin:0 0 16px;font-size:clamp(2.2rem,8vw,3.4rem);line-height:1.1}.title-robot-row{align-items:center;gap:16px;margin:0 0 16px;display:flex}.title-robot-row--center{justify-content:center}.title-robot-row>h1{text-wrap:balance;margin:0}.robot-mark{flex-shrink:0;width:56px;height:56px}@media (max-width:640px){.title-robot-row{flex-direction:column;align-items:stretch;gap:10px}.robot-mark{align-self:center;width:44px;height:44px}}.hackoo-tag{background:var(--pale-blue-soft);border:1px solid var(--pale-blue);color:var(--dark-blue);letter-spacing:.02em;border-radius:999px;margin:0 0 16px;padding:2px 12px;font-size:.85rem;font-weight:700;display:inline-block}.hackoo-select{width:230px;height:auto;margin:0 auto 8px;display:block}.select-inner>.select-title{margin-bottom:10px}.hero--hackoo{align-items:center;gap:32px;display:flex}.hackoo-hero{flex-shrink:0;width:320px;height:auto}.hero-body{flex:auto;min-width:0}.hero-body>.hero-title{text-wrap:balance;margin-bottom:10px}@media (max-width:640px){.hackoo-select{width:160px}.hero--hackoo{flex-direction:column;align-items:stretch;gap:4px}.hackoo-hero{align-self:center;width:160px}}.select-lead{color:var(--text-sub);margin:0 0 28px}.select-buttons{gap:14px;display:grid}.select-btn{background:var(--bg);border:1.5px solid var(--border);box-shadow:var(--shadow);color:var(--text);border-radius:16px;flex-direction:column;align-items:center;padding:20px;transition:border-color .15s,transform .15s;display:flex}.select-btn:hover{border-color:var(--primary);text-decoration:none;transform:translateY(-2px)}.select-btn-main{font-size:1.4rem;font-weight:800}.select-btn-sub{color:var(--text-sub);font-size:.875rem}.ev-list{grid-template-columns:1fr;gap:12px;display:grid}.ev-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);min-height:124px;box-shadow:var(--shadow);color:var(--text);transition:border-color .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.ev-card:hover{border-color:var(--pale-blue);text-decoration:none;box-shadow:0 1px 2px #2f343a0d,0 6px 20px #2f343a17}.ev-card.status-finished,.ev-card.status-cancelled{opacity:.7}.ev-thumb{--pat:#fff3;flex:0 0 35%;align-items:flex-end;max-width:240px;padding:10px;display:flex;position:relative}.ev-c-teal{background-color:var(--teal)}.ev-c-coral{background-color:var(--coral)}.ev-c-dark-blue{background-color:var(--dark-blue)}.ev-c-olive{background-color:var(--olive)}.ev-c-dark-gray{background-color:var(--dark-gray)}.ev-c-yellow{background-color:var(--yellow);--pat:#243b5a1f}.ev-c-pale-blue{background-color:var(--pale-blue);--pat:#243b5a1f}.ev-p-dots{background-image:radial-gradient(var(--pat) 1.6px, transparent 1.8px);background-size:14px 14px}.ev-p-grid{background-image:linear-gradient(var(--pat) 1px, transparent 1px), linear-gradient(90deg, var(--pat) 1px, transparent 1px);background-size:18px 18px}.ev-p-lines{background-image:repeating-linear-gradient(-45deg, var(--pat) 0 1.5px, transparent 1.5px 11px)}.ev-p-rings{background-image:repeating-radial-gradient(circle at 100% 0, transparent 0 13px, var(--pat) 13px 15px)}.ev-p-squares{--pat-squares:color-mix(in srgb, var(--pat) 40%, transparent);background-image:conic-gradient(var(--pat-squares) 25%, transparent 0 50%, var(--pat-squares) 0 75%, transparent 0);background-size:20px 20px}.ev-stub{background:var(--bg);border-radius:10px;flex-direction:column;max-width:100%;padding:6px 9px;line-height:1.2;display:inline-flex;box-shadow:0 2px 6px #243b5a26}.ev-stub-date{color:var(--heading);letter-spacing:.01em;font-size:1.05rem;font-weight:800}.ev-stub-region{color:var(--text-sub);text-transform:uppercase;letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:.64rem;font-weight:700;overflow:hidden}.ev-body{flex-direction:column;flex:auto;align-items:flex-start;gap:5px;min-width:0;padding:12px 14px;display:flex}.ev-title{color:var(--heading);overflow-wrap:anywhere;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:1rem;line-height:1.4;display:-webkit-box;overflow:hidden}.ev-meta{color:var(--text-sub);margin:0;font-size:.85rem;line-height:1.5}.ev-dot{color:var(--muted);margin:0 6px}.ev-chips{flex-wrap:wrap;gap:4px 6px;display:flex}.ev-chips .chip{font-size:.72rem;line-height:1.6}@media (min-width:900px){.ev-list{grid-template-columns:1fr 1fr;gap:16px}.ev-card{min-height:150px}.ev-title{font-size:1.05rem}}@media (max-width:640px){.container{padding:0 16px}.hero{padding:36px 0 24px}.hero-actions .btn{flex:100%}.grid{grid-template-columns:1fr}.detail-table>div{grid-template-columns:1fr;gap:0}.detail-actions .btn{flex:100%}.logo-sub{display:none}}