:root{--ivory:#f8f5ee;--paper:#fffdf8;--indigo:#25355a;--indigo-2:#3d5288;--ink:#1f2a44;--muted:#5a6274;--line:#e4ddd0;--coral:#ef6a64;--coral-ink:#b8352f;--coral-soft:#fde4e1;--teal:#36a59c;--teal-ink:#1a7068;--teal-soft:#dcf1ee;--gold:#e5bb69;--gold-soft:#f8ecd2;--gold-ink:#7a5513;--radius:18px;--radius-sm:12px;--shadow:0 1px 2px #25355a0f, 0 6px 20px #25355a14;--shadow-lg:0 2px 4px #25355a0f, 0 14px 36px #25355a1f;--max:1120px;--gutter:16px;--tabbar:68px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-ja:"Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;--font-th:"Noto Sans Thai", "Leelawadee UI", "Thonburi", "Tahoma", sans-serif;color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--ivory);color:var(--ink);font-family:var(--font);overflow-wrap:break-word;padding-bottom:calc(var(--tabbar) + env(safe-area-inset-bottom,0px));margin:0;font-size:1.0625rem;line-height:1.7}:lang(ja) body,body:lang(ja){font-family:var(--font-ja);line-break:strict}:lang(th) body,body:lang(th){font-family:var(--font-th);line-height:1.85}:lang(vi) body,body:lang(vi){line-height:1.8}:lang(de),:lang(fr),:lang(fil),:lang(id){hyphens:auto}img,svg{max-width:100%;height:auto}a{color:var(--indigo-2);text-underline-offset:.18em}a:hover{color:var(--coral-ink)}:focus-visible{outline:3px solid var(--coral-ink);outline-offset:3px;border-radius:6px}h1,h2,h3{color:var(--indigo);text-wrap:balance;margin:0 0 .5em;line-height:1.3}:lang(ja) :is(h1,h2,h3){word-break:auto-phrase}h1{letter-spacing:-.01em;font-size:clamp(1.7rem,5.2vw,2.7rem)}h2{font-size:clamp(1.3rem,3.6vw,1.75rem)}h3{font-size:1.15rem}p{margin:0 0 1em}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{z-index:100;background:var(--indigo);color:#fff;border-radius:10px;padding:10px 16px;text-decoration:none;position:absolute;top:-60px;left:12px}.skip-link:focus{color:#fff;top:12px}.container{width:100%;max-width:var(--max);padding:0 var(--gutter);margin:0 auto}main{min-height:60vh;display:block}.section{padding-top:28px;padding-bottom:28px}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;display:flex}.section-head h2{margin:0}.lead{color:var(--muted);max-width:46em;font-size:1.08rem}.icon{vertical-align:middle;flex:none}.btn{min-height:52px;font:inherit;text-align:center;cursor:pointer;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-weight:700;line-height:1.25;text-decoration:none;transition:transform .15s,box-shadow .15s,background-color .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--coral-ink);color:#fff;box-shadow:0 6px 16px #b8352f40}.btn-primary:hover{color:#fff;background:#a42d28}.btn-secondary{background:var(--indigo);color:#fff}.btn-secondary:hover{color:#fff;background:#1a2745}.btn-ghost{color:var(--indigo);border-color:var(--line);background:#fff}.btn-ghost:hover{color:var(--indigo);border-color:var(--indigo-2)}.btn-small{min-height:44px;padding:8px 16px;font-size:.95rem}.text-link{align-items:center;gap:4px;min-height:44px;font-weight:700;display:inline-flex}.site-header{z-index:40;backdrop-filter:saturate(1.4)blur(10px);border-bottom:1px solid var(--line);background:#f8f5eeeb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:12px;min-height:60px;display:flex}.brand{color:var(--indigo);align-items:center;gap:10px;min-width:0;text-decoration:none;display:flex}.brand-mark{flex:none;width:36px;height:36px}.brand-text{flex-direction:column;min-width:0;line-height:1.15;display:flex}.brand-name{letter-spacing:.08em;white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:800;overflow:hidden}.brand-local{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;overflow:hidden}@media (width<=360px){.brand-name{letter-spacing:.03em;font-size:.72rem}.brand-mark{width:32px;height:32px}}.desktop-nav{display:none}.desktop-nav ul{gap:4px;margin:0;padding:0;list-style:none;display:flex}.desktop-nav a{min-height:44px;color:var(--ink);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:.95rem;font-weight:600;text-decoration:none;display:flex}.desktop-nav a:hover{background:#fff}.desktop-nav a[aria-current=page]{background:var(--indigo);color:#fff}.lang{flex:none;position:relative}.lang summary{border:2px solid var(--line);min-height:44px;color:var(--indigo);cursor:pointer;user-select:none;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:.92rem;font-weight:700;list-style:none;display:flex}.lang summary::-webkit-details-marker{display:none}.lang[open] summary{border-color:var(--indigo-2)}.lang-menu{border:1px solid var(--line);border-radius:var(--radius);width:min(260px,100vw - 32px);box-shadow:var(--shadow-lg);z-index:60;background:#fff;margin:0;padding:8px;list-style:none;position:absolute;top:calc(100% + 8px);right:0}.lang-menu a{min-height:46px;color:var(--ink);border-radius:10px;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;font-weight:600;text-decoration:none;display:flex}.lang-menu a:hover{background:var(--ivory)}.lang-menu a[aria-current=true]{background:var(--teal-soft);color:var(--teal-ink)}.lang-short{display:none}@media (width<=420px){.lang summary .lang-native{display:none}.lang summary .lang-short{display:inline}}.lang-code{color:var(--muted);letter-spacing:.05em;font-size:.75rem;font-weight:700}.tabbar{z-index:50;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px);background:#fff;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 18px #25355a12}.tabbar ul{grid-template-columns:repeat(5,1fr);max-width:640px;margin:0 auto;padding:0;list-style:none;display:grid}.tabbar a{height:var(--tabbar);color:var(--muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:4px 2px;font-size:.72rem;font-weight:700;line-height:1.15;text-decoration:none;display:flex}.tabbar a span{text-overflow:ellipsis;-webkit-line-clamp:2;hyphens:auto;-webkit-box-orient:vertical;max-width:100%;display:-webkit-box;overflow:hidden}.tabbar a[aria-current=page]{color:var(--coral-ink)}.tabbar a[aria-current=page] .icon{stroke-width:2.4px}@media (width>=900px){body{padding-bottom:0}.tabbar{display:none}.desktop-nav{display:block}.brand-name{font-size:.9rem}}.site-footer{border-top:1px solid var(--line);background:var(--paper);color:var(--muted);margin-top:48px;padding:32px 0 28px;font-size:.92rem}.footer-grid{gap:16px;display:grid}.footer-links{flex-wrap:wrap;gap:4px 18px;margin:0;padding:0;list-style:none;display:flex}.footer-links a{min-height:44px;color:var(--ink);align-items:center;display:inline-flex}.portal-link{min-height:44px;color:var(--muted);letter-spacing:.04em;align-items:center;gap:6px;font-size:.85rem;display:inline-flex}.card-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,296px),1fr));gap:20px;margin:0;padding:0;list-style:none;display:grid}.card-grid-compact{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:16px}.manner-card{border-radius:var(--radius);height:100%;box-shadow:var(--shadow);background:#fff;flex-direction:column;transition:transform .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden}.manner-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.manner-card:has(a:focus-visible){outline:3px solid var(--coral-ink);outline-offset:3px}.manner-card a:focus-visible{outline:none}.manner-card img{aspect-ratio:400/260;object-fit:cover;background:var(--ivory);width:100%;display:block}.manner-card-body{flex-direction:column;flex:1;gap:8px;padding:14px 18px 18px;display:flex}.manner-card :is(h2,h3){letter-spacing:0;hyphens:manual;text-wrap:pretty;margin:2px 0 0;font-size:1.06rem;line-height:1.45}.manner-card :is(h2,h3) a{color:var(--indigo);text-decoration:none}.manner-card:hover :is(h2,h3) a{color:var(--indigo);text-decoration-line:underline;text-decoration-color:#25355a59;text-decoration-thickness:1px}.manner-card :is(h2,h3) a:after{content:"";position:absolute;inset:0}.manner-card p{color:var(--muted);margin:0;font-size:.94rem;line-height:1.6}.card-meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.learned-mark{color:var(--teal-ink);align-items:center;gap:4px;font-size:.78rem;font-weight:700;display:inline-flex}.verdict{white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:3px 10px 3px 7px;font-size:.8rem;font-weight:800;line-height:1.4;display:inline-flex}.verdict .icon{stroke-width:2.6px;width:16px;height:16px}.verdict-ok{background:var(--teal-soft);color:var(--teal-ink)}.verdict-careful{background:var(--coral-soft);color:var(--coral-ink)}.verdict-depends{background:var(--gold-soft);color:var(--gold-ink)}.verdict-tip{color:var(--indigo-2);background:#e6ebf7}.chip{background:var(--ivory);border:1px solid var(--line);color:var(--muted);border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}@media (width>=640px){.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=1000px){.category-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}.category-tile{border-radius:var(--radius);height:100%;min-height:112px;box-shadow:var(--shadow);color:var(--ink);border-top:5px solid var(--cat,var(--coral));background:#fff;flex-direction:column;align-items:flex-start;gap:8px;padding:14px;text-decoration:none;transition:transform .18s;display:flex}.category-tile:hover{color:var(--ink);transform:translateY(-2px)}.category-icon{background:color-mix(in srgb, var(--cat,var(--coral)) 16%, white);width:44px;height:44px;color:var(--indigo);border-radius:14px;place-items:center;display:grid}.category-tile strong{color:var(--indigo);font-size:1rem;line-height:1.3}.category-tile small{color:var(--muted);font-size:.8rem}.page-hero{padding-top:28px;padding-bottom:8px}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:4px 8px;margin:0 0 10px;padding:0;font-size:.88rem;list-style:none;display:flex}.breadcrumb li+li:before{content:"›";color:var(--muted);margin-right:8px}.breadcrumb a{color:var(--muted)}.notice{border-radius:var(--radius-sm);background:var(--gold-soft);color:var(--ink);align-items:flex-start;gap:10px;padding:12px 14px;font-size:.9rem;line-height:1.6;display:flex}.notice .icon{color:var(--gold-ink);margin-top:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}