*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sd-paper);color:var(--sd-ink);font:400 18px/1.65 var(--sd-text)}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--sd-teal);text-underline-offset:3px;text-decoration-thickness:1.5px}
a:hover{color:var(--sd-coral)}
:focus-visible{outline:3px solid var(--sd-coral);outline-offset:2px}
.sdi-skip{position:absolute;left:-9999px;top:0;background:var(--sd-teal);color:#fff;padding:.6rem 1rem;z-index:10}
.sdi-skip:focus{left:8px}
.sdi-wrap{width:100%;max-width:var(--sd-max);margin:0 auto;padding:0 var(--sd-gut)}
h1,h2,h3{font-family:var(--sd-head);font-weight:800;line-height:1.1;letter-spacing:-.015em;color:var(--sd-ink)}
/* masthead */
.sdi-mast{background:var(--sd-paper)}
.sdi-mast-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:1.1rem;padding-bottom:1rem;border-bottom:1px solid var(--sd-line)}
.sdi-logo img{width:260px;height:auto}
.sdi-tag{margin:0;font:600 .86rem/1.3 var(--sd-head);color:var(--sd-mute);text-align:right;max-width:22rem}
.sdi-bar{background:var(--sd-teal)}
.sdi-bar ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 .3rem}
.sdi-bar a{display:inline-flex;align-items:center;min-height:48px;padding:0 .9rem;color:#fff;text-decoration:none;font:700 .95rem/1 var(--sd-head)}
.sdi-bar a:hover,.sdi-bar a[aria-current]{background:var(--sd-teal2);box-shadow:inset 0 -4px 0 var(--sd-coral);color:#fff}
.sdi-burger{display:none}
.sdi-burger summary{cursor:pointer;list-style:none;min-height:44px;display:inline-flex;align-items:center;padding:0 1rem;border-radius:999px;background:var(--sd-teal);color:#fff;font:700 .9rem/1 var(--sd-head)}
.sdi-burger summary::-webkit-details-marker{display:none}
@media (max-width:900px){.sdi-bar,.sdi-tag{display:none}.sdi-burger{display:block;position:relative}.sdi-logo img{width:200px}
 .sdi-burger[open] .sdi-nav{position:absolute;right:0;top:calc(100% + 8px);background:var(--sd-white);border-radius:var(--sd-r);box-shadow:0 10px 30px rgba(0,0,0,.15);padding:.5rem 1rem;z-index:5;min-width:230px}
 .sdi-nav ul{list-style:none;margin:0;padding:0}.sdi-nav a{display:flex;align-items:center;min-height:44px;font:700 1rem/1 var(--sd-head);text-decoration:none;color:var(--sd-ink)}}
/* front */
.sdi-front{background:var(--sd-sand);padding:clamp(1.6rem,4vw,3.2rem) 0}
.sdi-front-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(1.4rem,4vw,3rem);align-items:center}
.sdi-front-txt h1{font-size:clamp(2.1rem,4.8vw,3.7rem);margin:.4rem 0 1rem}
.sdi-front-pic{border-radius:var(--sd-r) var(--sd-r) var(--sd-r) 80px;overflow:hidden;aspect-ratio:4/3}
.sdi-front-pic img,.sdi-front-pic picture,.sdi-front-pic video{width:100%;height:100%;object-fit:cover}
.sdi-front-pic img{animation:sdi-drift 24s ease-in-out infinite alternate}
@keyframes sdi-drift{from{transform:scale(1.02) translateX(0)}to{transform:scale(1.1) translateX(-2%)}}
@media (prefers-reduced-motion:reduce){.sdi-front-pic img{animation:none}}
@media (max-width:860px){.sdi-front-grid{grid-template-columns:1fr}.sdi-front-pic{order:-1;aspect-ratio:16/10;border-radius:var(--sd-r)}}
.sdi-kicker{margin:0;font:800 .8rem/1.3 var(--sd-head);text-transform:uppercase;letter-spacing:.1em;color:var(--sd-coral)}
.sdi-kicker a{color:var(--sd-coral);text-decoration:none}
.sdi-dek{font-size:1.15rem;line-height:1.55;color:#3A4448;margin:0 0 1.1rem}
.sdi-cta{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin:0}
.sdi-btn{display:inline-flex;align-items:center;min-height:48px;padding:.6rem 1.4rem;border-radius:999px;background:var(--sd-coral);color:#fff;text-decoration:none;font:800 .98rem/1 var(--sd-head)}
.sdi-btn:hover{background:var(--sd-teal);color:#fff}
.sdi-link{font:700 .95rem/1 var(--sd-head);display:inline-flex;align-items:center;min-height:44px}
/* sections */
.sdi-latest,.sdi-sections,.sdi-list,.sdi-more,.sdi-about{padding:3.2rem 0}
.sdi-h{font-size:clamp(1.6rem,2.8vw,2.2rem);margin:0 0 1.4rem}
.sdi-h-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.sdi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.sdi-grid-lead>.sdi-card:first-child{grid-column:span 2}
.sdi-grid-lead>.sdi-card:first-child .sdi-card-pic img{aspect-ratio:21/9}
.sdi-grid-lead>.sdi-card:first-child h3{font-size:1.7rem}
@media (max-width:980px){.sdi-grid{grid-template-columns:1fr 1fr}.sdi-grid-lead>.sdi-card:first-child{grid-column:span 2}}
@media (max-width:620px){.sdi-grid{grid-template-columns:1fr}.sdi-grid-lead>.sdi-card:first-child{grid-column:auto}}
.sdi-card{background:var(--sd-white);border-radius:var(--sd-r);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 0 var(--sd-line),0 8px 24px rgba(30,37,41,.06)}
.sdi-card-pic img{aspect-ratio:16/10;object-fit:cover;width:100%}
.sdi-card-body{padding:1rem 1.15rem 1.15rem;display:flex;flex-direction:column;flex:1}
.sdi-pill{align-self:flex-start;margin:0 0 .5rem;padding:.25rem .65rem;border-radius:999px;background:var(--sd-coral-l);color:#9A3218;font:800 .72rem/1.2 var(--sd-head);text-transform:uppercase;letter-spacing:.06em}
.sdi-card h3{font-size:1.25rem;margin:0 0 .45rem}
.sdi-card h3 a{color:var(--sd-ink);text-decoration:none}
.sdi-card h3 a:hover{color:var(--sd-teal);text-decoration:underline}
.sdi-card p{margin:0;font-size:.96rem;line-height:1.5;color:var(--sd-mute)}
.sdi-card-date{margin-top:auto!important;padding-top:.7rem;font:600 .8rem/1 var(--sd-head)}
.sdi-empty{color:var(--sd-mute)}
.sdi-sections{background:var(--sd-white);border-top:1px solid var(--sd-line);border-bottom:1px solid var(--sd-line)}
.sdi-sec-l{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:1rem 1.6rem}
@media (max-width:760px){.sdi-sec-l{grid-template-columns:1fr}}
.sdi-sec-l a{display:flex;gap:1rem;align-items:center;text-decoration:none;color:var(--sd-ink);padding:.6rem;border-radius:var(--sd-r)}
.sdi-sec-l a:hover{background:var(--sd-sand)}
.sdi-sec-pic{flex:none;width:118px;border-radius:50%;overflow:hidden}
.sdi-sec-pic img{aspect-ratio:1;object-fit:cover;width:100%}
.sdi-sec-txt{display:flex;flex-direction:column}
.sdi-sec-n{font:800 1.2rem/1.2 var(--sd-head)}
.sdi-sec-a{font-size:.94rem;line-height:1.45;color:var(--sd-mute)}
.sdi-sec-c{font:700 .8rem/1.6 var(--sd-head);color:var(--sd-teal)}
.sdi-about{background:var(--sd-sand)}
.sdi-about-in{display:grid;grid-template-columns:1fr minmax(260px,360px);gap:2.4rem;align-items:start}
@media (max-width:900px){.sdi-about-in{grid-template-columns:1fr}}
/* page head */
.sdi-head{background:var(--sd-sand);padding:1.2rem 0 2.4rem}
.sdi-head-grid{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center;margin-top:1.4rem}
.sdi-head-img .sdi-head-grid{grid-template-columns:1.05fr 1fr}
@media (max-width:860px){.sdi-head-img .sdi-head-grid{grid-template-columns:1fr}.sdi-head-pic{order:-1}}
.sdi-head h1{font-size:clamp(1.9rem,4vw,3rem);margin:.4rem 0 .9rem}
.sdi-head-pic{border-radius:var(--sd-r);overflow:hidden}
.sdi-head-pic img{aspect-ratio:16/10;object-fit:cover;width:100%}
.sdi-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem .5rem;font:600 .82rem/1.4 var(--sd-head)}
.sdi-crumbs li+li::before{content:"/";margin-right:.5rem;color:var(--sd-mute)}
.sdi-crumbs a{color:var(--sd-teal)}
.sdi-byline{display:flex;flex-wrap:wrap;gap:.3rem 1.1rem;margin:0;font:600 .86rem/1.4 var(--sd-head);color:var(--sd-mute)}
.sdi-author-top{display:flex;gap:1.4rem;align-items:center;margin-top:1.4rem}
/* body: full container width */
.sdi-body{padding-top:2.6rem;padding-bottom:2.6rem}
.sdi-prose>*:first-child{margin-top:0}
.sdi-prose h2{font-size:clamp(1.55rem,2.6vw,2.05rem);margin:2.4rem 0 .8rem}
.sdi-prose h3{font-size:1.3rem;margin:1.8rem 0 .5rem}
.sdi-prose p,.sdi-prose li{font-size:1.06rem}
.sdi-prose ul,.sdi-prose ol{padding-left:1.3rem}
.sdi-prose li{margin:.3rem 0}
.sdi-prose li::marker{color:var(--sd-coral)}
.sdi-prose img{margin:1.4rem 0;border-radius:var(--sd-r)}
.sdi-prose table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6rem 0;font-size:.95rem;background:var(--sd-white);border:1px solid var(--sd-line);border-radius:var(--sd-r);overflow:hidden}
.sdi-prose th{background:var(--sd-teal);color:#fff;font:700 .88rem/1.3 var(--sd-head);text-align:left;padding:.75rem .85rem}
.sdi-prose td{padding:.7rem .85rem;border-top:1px solid var(--sd-line);vertical-align:top}
.sdi-prose tr:nth-child(even) td{background:#FDFBF7}
@media (max-width:700px){.sdi-prose table{display:block;overflow-x:auto}.sdi-prose th,.sdi-prose td{min-width:9rem}}
.sdi-take{background:var(--sd-teal);color:#fff;border-radius:var(--sd-r);padding:1.2rem 1.4rem;margin:0 0 2rem}
.sdi-take-t{margin:0 0 .5rem;font:800 1.05rem/1.2 var(--sd-head);color:#FFD9CC}
.sdi-take ul{margin:0;padding-left:1.2rem}
.sdi-take li{margin:.35rem 0}
.sdi-take li::marker{color:#FFB59E}
.sdi-toc{background:var(--sd-white);border:1px solid var(--sd-line);border-radius:var(--sd-r);padding:.4rem 1.2rem .8rem;margin:0 0 2rem}
.sdi-toc-t{cursor:pointer;min-height:44px;display:flex;align-items:center;font:800 1rem/1 var(--sd-head);list-style:none}
.sdi-toc-t::-webkit-details-marker{display:none}
.sdi-toc ol{margin:.2rem 0 0;padding-left:1.4rem;columns:2;column-gap:2rem}
@media (max-width:700px){.sdi-toc ol{columns:1}}
.sdi-toc li{break-inside:avoid;font-size:.98rem}
.sdi-tip{background:var(--sd-coral-l);border-radius:var(--sd-r);padding:1.1rem 1.3rem;margin:1.8rem 0;border:1px dashed var(--sd-coral)}
.sdi-tip-t{font:800 1.05rem/1.2 var(--sd-head);margin:0 0 .4rem;color:#9A3218}
.sdi-tip p:last-child{margin-bottom:0}
.sdi-faq{margin:2.6rem 0 1.4rem}
.sdi-faq details{background:var(--sd-white);border:1px solid var(--sd-line);border-radius:10px;margin:.5rem 0;padding:0 1rem}
.sdi-faq summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font:700 1.02rem/1.35 var(--sd-head);list-style:none}
.sdi-faq summary::-webkit-details-marker{display:none}
.sdi-faq summary::after{content:"+";margin-left:auto;padding-left:1rem;color:var(--sd-coral);font-size:1.3rem}
.sdi-faq details[open] summary::after{content:"−"}
.sdi-author{display:flex;gap:1rem;align-items:flex-start;background:var(--sd-sand);border-radius:var(--sd-r);padding:1.1rem 1.2rem;margin:2rem 0}
.sdi-author p{margin:0;font-size:.95rem}
.sdi-author-n{font:800 1.05rem/1.3 var(--sd-head)}
.sdi-mono{flex:none;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--sd-coral);color:#fff;font:800 1.4rem/1 var(--sd-head);margin:0}
.sdi-mono-xl{width:104px;height:104px;font-size:2.8rem}
.sdi-team .sdi-author{margin:0;background:var(--sd-white)}
.sdi-fig{margin:1.6rem 0}
.sdi-fig figcaption{font-size:.85rem;color:var(--sd-mute);margin-top:.4rem}
.sdi-more{background:var(--sd-sand)}
/* footer */
.sdi-foot{background:var(--sd-ink);color:#C9D1D4;padding:3rem 0 1.4rem}
.sdi-foot a{color:#fff}
.sdi-foot-in{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:1.8rem;border-bottom:1px solid #3A4448}
.sdi-foot-id img{width:220px;height:auto;background:var(--sd-paper);border-radius:10px;padding:.5rem .7rem}
.sdi-foot-l{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(10rem,1fr));gap:.1rem 2rem}
.sdi-foot-l a{display:inline-flex;min-height:40px;align-items:center;font-size:.95rem}
.sdi-foot-low{padding-top:1.2rem;font-size:.86rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.sdi-foot-low p{margin:0;max-width:820px}