.lc{width:100%;min-width:0;max-width:var(--content-max);margin:0 auto;--lc-accent:#bd5d38;--lc-accent-soft:color-mix(in srgb,var(--lc-accent) 9%,transparent);--lc-accent-line:color-mix(in srgb,var(--lc-accent) 26%,transparent);counter-reset:lc-sec}.lc-hero{padding:6px 0 18px;border-bottom:1px solid var(--line,rgba(120,90,60,.16));margin-bottom:22px}.lc-title{margin:0;font-family:var(--font-serif,serif);font-size:clamp(1.5rem,3vw,2.05rem);font-weight:700;color:var(--ink)}.lc-title:after{content:"";display:block;width:76px;height:2px;margin-top:14px;background:linear-gradient(90deg,rgba(154,111,27,.75),rgba(154,111,27,0))}.lc-intro{max-width:640px;margin:12px 0 0;font-size:.98rem;line-height:1.75;color:var(--ink-soft,#5b4a39)}.lc-block{margin:0 0 26px;counter-increment:lc-sec}.lc-block-h{margin:0 0 14px;font-family:var(--font-serif,serif);font-size:1.18rem;font-weight:700;color:var(--ink)}.lc-block-h:before,.lc-correction-h:before{content:counter(lc-sec);display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;margin-right:9px;vertical-align:-.3em;border-radius:50%;background:linear-gradient(160deg,color-mix(in srgb,var(--lc-accent) 82%,#fff),color-mix(in srgb,var(--lc-accent) 78%,#201008));color:#fff;font-family:var(--font-sans,sans-serif);font-size:.78rem;font-weight:700}.lc-correction{padding:16px 18px;background:var(--lc-accent-soft);border:1px solid var(--lc-accent-line);border-left:4px solid var(--lc-accent);border-radius:0 12px 12px 0}.lc-correction-h{margin:0 0 10px;font-size:1.04rem;font-weight:700;color:color-mix(in srgb,var(--lc-accent) 70%,#3c2f24)}.lc-correction p{margin:0 0 9px;font-size:.93rem;line-height:1.78;color:var(--ink)}.lc-correction p:last-child{margin-bottom:0}.lc-checklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.lc-check{display:flex;gap:12px;padding:14px 16px;border:1px solid var(--border-soft,#ece4d6);border-radius:12px;background:var(--surface,rgba(255,252,246,.7));transition:border-color .14s ease,background .14s ease}.lc-check.is-on{border-color:var(--lc-accent-line);background:var(--lc-accent-soft)}.lc-check-box{flex-shrink:0;width:22px;height:22px;margin-top:1px;border:1.6px solid var(--lc-accent-line);border-radius:7px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.lc-check-box svg{width:13px;height:13px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;opacity:0}.lc-check.is-on .lc-check-box{background:var(--lc-accent);border-color:var(--lc-accent)}.lc-check.is-on .lc-check-box svg{opacity:1}.lc-check-body{min-width:0;flex:1 1}.lc-check-title{margin:0;font-size:.98rem;font-weight:600;color:var(--ink)}.lc-check-desc{margin:5px 0 0;font-size:.88rem}.lc-check-desc,.lc-steps{line-height:1.7;color:var(--ink-soft,#5b4a39)}.lc-steps{margin:8px 0 0;padding-left:18px;font-size:.86rem}.lc-steps li{margin:2px 0}.lc-caveat{margin:9px 0 0;font-size:.84rem;line-height:1.6;color:var(--ink)}.lc-caveat-tag{display:inline-block;margin-right:7px;padding:1px 7px;border-radius:5px;background:rgba(199,146,49,.16);color:#6f520f;font-size:.72rem;font-weight:600}.lc-officials{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.lc-official{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border:1px solid var(--line,rgba(120,90,60,.18));border-radius:7px;background:#fff;color:var(--lc-accent);font-size:.74rem;font-family:var(--font-mono,ui-monospace,monospace);text-decoration:none}.lc-official:hover{background:var(--lc-accent-soft)}.lc-official svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.lc-table-wrap{min-width:0;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain}.lc-table{width:100%;border-collapse:collapse;font-size:.86rem}.lc-table td,.lc-table th{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line,rgba(120,90,60,.14));line-height:1.55}.lc-table thead th{font-weight:700;color:var(--lc-accent);border-bottom:2px solid var(--lc-accent-line);white-space:nowrap}.lc-table tbody th{font-weight:600;color:var(--ink);white-space:nowrap}.lc-table td{color:var(--ink-soft,#5b4a39)}.lc-tips ul{margin:0;padding-left:18px;list-style:none}.lc-tips li{position:relative;margin:0 0 10px;padding-left:4px;font-size:.92rem;line-height:1.75;color:var(--ink)}.lc-tips li:before{content:"";position:absolute;left:-14px;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--lc-accent)}.lc-links ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.lc-links li{font-size:.9rem}.lc-links a{color:var(--lc-accent);font-weight:600;text-decoration:none}.lc-links a:hover{text-decoration:underline}.lc-link-note{margin-left:8px;font-size:.8rem;color:var(--muted)}.lc-prose p{margin:0 0 10px;font-size:.93rem;line-height:1.8;color:var(--ink)}.lc-source-note{margin-top:28px;padding-top:14px;border-top:1px dashed var(--line,rgba(120,90,60,.22));font-size:.78rem;line-height:1.7;color:var(--muted)}.lc-mark{display:inline-block;margin:0 1px;padding:0 5px;border-radius:4px;font-size:.74em;font-weight:500;line-height:1.5;vertical-align:.06em;white-space:nowrap;letter-spacing:.02em}.lc-mark-verify{background:color-mix(in srgb,#b07a1e 13%,transparent);color:#8a661c}.lc-mark-meyasu{background:rgba(120,110,96,.12);color:var(--muted,#7a6e5f)}.lc-source-note .lc-mark{font-size:.86em}.lc-tier{display:inline-block;margin-left:9px;padding:1px 8px;border-radius:999px;border:1px solid transparent;font-size:.7rem;font-weight:700;letter-spacing:.04em;vertical-align:.14em;cursor:help}.lc-tier-official{background:rgba(154,111,27,.13);color:#6f520f;border-color:rgba(154,111,27,.28)}.lc-tier-semi-official{background:rgba(47,107,154,.13);color:#2f6b9a;border-color:rgba(47,107,154,.28)}.lc-tier-experience{background:rgba(199,146,49,.16);color:#8f6b1f;border-color:rgba(199,146,49,.3)}.lc-tier-volatile{background:rgba(181,83,42,.13);color:#b5532a;border-color:rgba(181,83,42,.3)}.lc-glossary{display:grid;grid-gap:10px;gap:10px;margin:0}.lc-term{display:grid;grid-template-columns:minmax(110px,.32fr) 1fr;grid-gap:4px 18px;gap:4px 18px;padding:11px 14px;background:var(--lc-accent-soft);border:1px solid var(--lc-accent-line);border-radius:10px}.lc-term-ja{display:flex;flex-direction:column;gap:2px}.lc-term-word{font-size:1.02rem;font-weight:700;color:color-mix(in srgb,var(--lc-accent) 72%,#2c2118)}.lc-term-reading{font-size:.76rem;color:#8a7866}.lc-term-body{margin:0}.lc-term-zh{margin:0;font-size:.9rem;line-height:1.6;color:#4a3d31}.lc-term-saying{margin:6px 0 0;font-size:.84rem;line-height:1.9;color:#5b4d3f}.lc-term-saying ruby rt{font-size:.7em;font-weight:500;color:#8a7866}.lc-term-saying-tag{display:inline-block;margin-right:7px;padding:1px 7px;border-radius:5px;background:rgba(47,107,154,.12);color:#2f6b9a;font-size:.72rem;font-weight:600}@media (max-width:560px){.lc-term{grid-template-columns:1fr;gap:6px}}.lc-scenario{gap:12px}.lc-dlg,.lc-scenario{display:flex;flex-direction:column}.lc-dlg{max-width:82%}.lc-dlg-window{align-self:flex-start;align-items:flex-start}.lc-dlg-student{align-self:flex-end;align-items:flex-end}.lc-dlg-who{margin-bottom:3px;font-size:.72rem;font-weight:700;letter-spacing:.06em}.lc-dlg-window .lc-dlg-who{color:#2f6b9a}.lc-dlg-student .lc-dlg-who{color:color-mix(in srgb,var(--lc-accent) 70%,#3c2f24)}.lc-dlg-bubble{padding:9px 14px;border:1px solid var(--lc-accent-line);border-radius:14px}.lc-dlg-window .lc-dlg-bubble{background:rgba(47,107,154,.07);border-color:rgba(47,107,154,.2);border-top-left-radius:4px}.lc-dlg-student .lc-dlg-bubble{background:var(--lc-accent-soft);border-top-right-radius:4px}.lc-dlg-ja{margin:0;font-size:1rem;line-height:2.1;color:#2c2118}.lc-dlg-ja ruby rt{font-size:.6em;font-weight:500;color:#8a7866}.lc-dlg-zh{margin:4px 0 0;font-size:.82rem;line-height:1.5;color:#6b5f51}.lc-scenario-mode{align-self:center;margin-bottom:2px;padding:2px 12px;border-radius:999px;background:rgba(120,110,96,.1);color:#6b5f51;font-size:.74rem;font-weight:700;letter-spacing:.04em}.lc-scenario-phone .lc-scenario-mode{background:rgba(47,107,154,.1);color:#2f6b9a}.lc-dlg-phase{display:flex;align-items:center;gap:10px;margin:8px 2px 2px;color:#8a7866;font-size:.76rem;font-weight:700;letter-spacing:.04em}.lc-dlg-phase span{white-space:nowrap}.lc-dlg-phase:after,.lc-dlg-phase:before{content:"";flex:1 1;height:1px;background:var(--lc-accent-line)}@media (max-width:560px){.lc-dlg{max-width:92%}}.lc-toc{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 26px;padding:12px 14px;background:var(--lc-accent-soft);border:1px solid var(--lc-accent-line);border-radius:12px}.lc-toc-link{display:inline-flex;align-items:center;gap:6px;padding:4px 11px 4px 4px;border:1px solid var(--lc-accent-line);border-radius:999px;background:var(--paper,#fff);color:var(--ink,#3c2f24);font-size:.82rem;text-decoration:none;transition:background .15s,border-color .15s,color .15s}.lc-toc-link:focus-visible,.lc-toc-link:hover{background:var(--lc-accent);border-color:var(--lc-accent);color:#fff}.lc-toc-n{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border-radius:50%;background:var(--lc-accent);color:#fff;font-size:.74rem;font-weight:700}.lc-toc-link:focus-visible .lc-toc-n,.lc-toc-link:hover .lc-toc-n{background:#fff;color:var(--lc-accent)}.lc-anchor{scroll-margin-top:84px}.lc-emergency{display:grid;grid-gap:12px;gap:12px}.lc-emg{overflow:hidden;border:1px solid var(--lc-accent-line);border-radius:12px}.lc-emg-situation{margin:0;padding:9px 14px;background:var(--lc-accent-soft);font-size:.98rem;font-weight:700;color:color-mix(in srgb,var(--lc-accent) 72%,#2c2118)}.lc-emg-row{display:grid;grid-template-columns:78px 1fr;grid-gap:12px;gap:12px;align-items:start;padding:9px 14px;border-top:1px solid var(--border-soft,#ece4d6);font-size:.9rem;line-height:1.6}.lc-emg-tag{height:-moz-fit-content;height:fit-content;padding:2px 8px;border-radius:6px;font-size:.76rem;font-weight:700;text-align:center;white-space:nowrap}.lc-emg-do .lc-emg-tag{background:rgba(154,111,27,.14);color:#6f520f}.lc-emg-call .lc-emg-tag{background:rgba(47,107,154,.14);color:#2f6b9a}.lc-emg-dont .lc-emg-tag{background:rgba(181,83,42,.14);color:#b5532a}.lc-emg-text{color:var(--ink,#3c2f24)}@media (max-width:520px){.lc-emg-row{grid-template-columns:1fr;gap:3px}}