*,*:before,*:after{box-sizing:border-box}:root{--bg: #f7f6f3;--surface: #ffffff;--text: #1c1c1c;--muted: #6f6f6f;--line: #e6e4df;--accent: #2f2f2f;--ok: #1a7f37;--ok-bg: #eef8f0;--error: #b42318;--error-bg: #fef3f2;--max: 40rem;--radius: .5rem;--font-sans: "Inter", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif}html{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}body{margin:0;min-height:100dvh}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}[hidden]{display:none!important}.site-header[data-astro-cid-qks4cch6]{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:min(100% - 2rem,var(--max));margin:0 auto;padding:1.25rem 0 .75rem;flex-shrink:0}.brand-group[data-astro-cid-qks4cch6]{display:flex;align-items:center;gap:.5rem}.brand-owner[data-astro-cid-qks4cch6]{font-size:1.05rem;font-weight:600;letter-spacing:.01em;color:#2563eb;transition:color .15s ease}.brand-owner[data-astro-cid-qks4cch6]:hover{color:#1d4ed8}.brand-sep[data-astro-cid-qks4cch6]{color:var(--muted);font-weight:400}.brand-text[data-astro-cid-qks4cch6]{font-size:1.05rem;font-weight:600;letter-spacing:.01em}.badge[data-astro-cid-qks4cch6]{display:inline-flex;flex-shrink:0;padding:.2rem .55rem;font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px}.header-actions[data-astro-cid-qks4cch6]{display:flex;align-items:center;gap:.65rem;flex-shrink:0}.lang-toggle[data-astro-cid-qks4cch6]{display:grid;grid-template-columns:1fr 1fr;gap:.15rem;padding:.15rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;flex-shrink:0}.lang-input[data-astro-cid-qks4cch6]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.lang-tab[data-astro-cid-qks4cch6]{display:flex;align-items:center;justify-content:center;min-width:2.1rem;padding:.3rem .55rem;font-size:.88rem;font-weight:600;letter-spacing:.04em;color:var(--muted);background:transparent;border-radius:999px;cursor:pointer;transition:background .15s ease,color .15s ease;user-select:none;-webkit-tap-highlight-color:transparent}#lang-ja[data-astro-cid-qks4cch6]:checked~label[data-astro-cid-qks4cch6][for=lang-ja],#lang-en[data-astro-cid-qks4cch6]:checked~label[data-astro-cid-qks4cch6][for=lang-en]{color:var(--text);background:var(--bg)}.share-card[data-astro-cid-kqcxncjy]{margin-top:1.5rem;padding:1.25rem 1.5rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-align:center}.share-card[data-astro-cid-kqcxncjy] strong[data-astro-cid-kqcxncjy]{display:block;margin-bottom:.75rem;font-size:1.1rem;text-align:center}.share-links[data-astro-cid-kqcxncjy]{display:flex;flex-wrap:wrap;justify-content:center;gap:.65rem 1rem}.share-item[data-astro-cid-kqcxncjy]{display:flex;flex-direction:column;align-items:center;gap:.35rem;min-width:3.25rem}.share-item-label[data-astro-cid-kqcxncjy]{font-size:.85rem;font-weight:500;color:var(--muted);line-height:1.2;text-align:center;white-space:nowrap}.share-icon-btn[data-astro-cid-kqcxncjy]{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;padding:0;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:999px;transition:border-color .15s ease,transform .15s ease;-webkit-tap-highlight-color:transparent}.share-icon-btn[data-astro-cid-kqcxncjy] svg[data-astro-cid-kqcxncjy]{width:1.35rem;height:1.35rem}.share-icon-btn-native[data-astro-cid-kqcxncjy]{color:var(--accent)}.share-icon-btn-line[data-astro-cid-kqcxncjy]{color:#06c755}.share-icon-btn-telegram[data-astro-cid-kqcxncjy]{color:#26a5e4}.share-icon-btn-gmail[data-astro-cid-kqcxncjy] svg[data-astro-cid-kqcxncjy]{width:1.5rem;height:1.5rem;display:block}.share-icon-btn[data-astro-cid-kqcxncjy]:hover{border-color:var(--line-strong, #b8b4ab)}.share-icon-btn[data-astro-cid-kqcxncjy]:active{transform:scale(.96)}.share-feedback[data-astro-cid-kqcxncjy]{margin:.75rem 0 0;font-size:.82rem;text-align:center;color:var(--accent)}.site-footer[data-astro-cid-ebs3arno]{flex-shrink:0;padding:1rem 1rem 1.5rem;text-align:center;font-size:.82rem;border-top:1px solid var(--line)}@media(max-width:767px){.site-footer[data-astro-cid-ebs3arno]{padding-bottom:calc(2.75rem + env(safe-area-inset-bottom,0px))}}.site-footer[data-astro-cid-ebs3arno] a[data-astro-cid-ebs3arno]{color:#2563eb;transition:color .15s ease}.site-footer[data-astro-cid-ebs3arno] a[data-astro-cid-ebs3arno]:hover{color:#1d4ed8}.page[data-astro-cid-j7pv25f6]{display:flex;flex-direction:column;min-height:100dvh;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgb(47 47 47 / .06),transparent),var(--bg)}.main[data-astro-cid-j7pv25f6]{flex:1;display:flex;flex-direction:column;gap:1.5rem;width:min(100% - 2rem,var(--max));margin:0 auto;padding-bottom:2rem}.main[data-astro-cid-j7pv25f6]>.share-card{margin-top:0}.hero[data-astro-cid-j7pv25f6]{margin-bottom:.25rem;text-align:center}.hero[data-astro-cid-j7pv25f6] h1[data-astro-cid-j7pv25f6]{margin:0 0 .35rem;font-size:clamp(1.35rem,3vw,1.75rem);font-weight:600;letter-spacing:-.02em}.subtitle[data-astro-cid-j7pv25f6]{margin:0;color:var(--muted);font-size:.92rem}.panel[data-astro-cid-j7pv25f6]{padding:1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.streak-row[data-astro-cid-j7pv25f6]{display:flex;align-items:baseline;justify-content:flex-end;gap:.4rem;margin-bottom:.85rem}.streak-label[data-astro-cid-j7pv25f6]{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.streak-value[data-astro-cid-j7pv25f6]{font-size:1.15rem;font-weight:600;font-variant-numeric:tabular-nums}.field-label[data-astro-cid-j7pv25f6]{display:block;margin:0 0 .45rem;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.scramble[data-astro-cid-j7pv25f6]{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem;min-height:3.25rem;margin:0 0 1.25rem;padding:.85rem .65rem;background:var(--bg);border:1px solid var(--line);border-radius:calc(var(--radius) - .1rem)}.scramble[data-astro-cid-j7pv25f6] .tile{display:inline-flex;align-items:center;justify-content:center;min-width:2.4rem;height:2.6rem;padding:0 .35rem;font-size:1.45rem;font-weight:600;line-height:1;background:var(--surface);border:1px solid var(--line);border-radius:.35rem;animation:tile-in .28s ease both}@keyframes tile-in{0%{opacity:0;transform:translateY(.35rem) scale(.96)}to{opacity:1;transform:none}}.answer-form[data-astro-cid-j7pv25f6]{display:flex;flex-direction:column;gap:.85rem}.field[data-astro-cid-j7pv25f6]{display:flex;flex-direction:column}.field-input[data-astro-cid-j7pv25f6]{width:100%;padding:.65rem .75rem;font-size:1.15rem;letter-spacing:.04em;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:calc(var(--radius) - .1rem);outline:none;transition:border-color .15s ease}.field-input[data-astro-cid-j7pv25f6]:focus{border-color:var(--accent)}.feedback[data-astro-cid-j7pv25f6]{margin:0;padding:.55rem .7rem;font-size:.92rem;border-radius:calc(var(--radius) - .1rem)}.feedback[data-astro-cid-j7pv25f6][data-kind=ok]{color:var(--ok);background:var(--ok-bg)}.feedback[data-astro-cid-j7pv25f6][data-kind=ng]{color:var(--error);background:var(--error-bg)}.actions[data-astro-cid-j7pv25f6]{display:flex;flex-wrap:wrap;gap:.5rem}.btn[data-astro-cid-j7pv25f6]{padding:.55rem .85rem;font-size:.9rem;font-weight:500;border-radius:999px;border:1px solid var(--line);transition:border-color .15s ease,transform .15s ease}.btn[data-astro-cid-j7pv25f6]:hover{border-color:#b8b4ab}.btn[data-astro-cid-j7pv25f6]:active{transform:translateY(1px)}.btn-primary[data-astro-cid-j7pv25f6]{color:var(--bg);background:var(--accent);border-color:var(--accent)}.btn-primary[data-astro-cid-j7pv25f6]:hover{border-color:#111;background:#111}.btn-secondary[data-astro-cid-j7pv25f6]{color:var(--text);background:var(--surface)}.notice[data-astro-cid-j7pv25f6] strong[data-astro-cid-j7pv25f6]{display:block;margin-bottom:.75rem;font-size:1.1rem;text-align:center}.notice[data-astro-cid-j7pv25f6] p[data-astro-cid-j7pv25f6]{margin:0;font-size:.78rem;color:var(--muted);line-height:1.55}