/* Group A pages (FAQ, services overview, careers, privacy, guides) — C2 system, page-specific bits only */

/* FAQ */
.faq-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(32px,4vw,56px)}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-of-type{border-bottom:1px solid var(--line)}
.faq-list details[hidden]{display:none}
.faq-list summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:20px;align-items:baseline;padding:24px 0;font-size:clamp(18px,1.5vw,22px);font-weight:700;line-height:1.5}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .k{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--mute);min-width:6.5em}
.faq-list summary::after{content:"+";font-weight:400;font-size:28px;line-height:1;color:var(--ver);transition:transform .3s var(--ease)}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .a{padding:0 48px 28px calc(6.5em + 20px);color:var(--mute);max-width:52em}
@media (prefers-reduced-motion:no-preference){.faq-list details .a{animation:a-in .35s var(--ease)}}
@keyframes a-in{from{opacity:0;transform:translateY(-6px)}}

/* services overview */
.svx{list-style:none;border-top:2px solid var(--ink)}
.svx a{display:grid;grid-template-columns:72px minmax(0,1.2fr) minmax(0,1.4fr) 40px;gap:28px;align-items:center;padding:clamp(24px,3vw,40px) 12px;border-bottom:1px solid var(--line);text-decoration:none;transition:background .35s var(--ease),padding .35s var(--ease)}
.svx .no{font-weight:200;font-size:clamp(32px,3vw,52px);color:var(--ver);line-height:1}
.svx h2{font-size:clamp(24px,2.6vw,40px);font-weight:700;line-height:1.3}
.svx .en{display:block;font-size:13px;letter-spacing:.14em;color:var(--mute);margin-top:6px;font-weight:700}
.svx p{color:var(--mute);font-size:16px}
.svx .ar{font-size:28px;justify-self:end;transition:transform .35s var(--ease)}
.svx a:hover{background:var(--ver);padding-left:28px}
.svx a:hover .no,.svx a:hover .en,.svx a:hover p{color:var(--ink)}
.svx a:hover .ar{transform:translateX(8px) rotate(-45deg)}

/* careers */
.values{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-ink)}
.values>div{padding:40px 32px 0 0}.values>div+div{border-left:1px solid var(--line-ink);padding-left:32px}
.values h3{font-size:22px;font-weight:700;margin-bottom:12px}.values p{color:var(--mute-ink)}
.perks{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink);list-style:none}
.perks li{padding:28px 24px 32px 0}.perks li+li{border-left:1px solid var(--line);padding-left:24px}
.perks b{display:block;font-size:20px;margin-bottom:10px}.perks span{color:var(--mute);font-size:16px}
.voices{overflow:hidden;margin:0 calc(var(--g)*-1)}
.voices__track{display:flex;gap:24px;width:max-content;padding:0 var(--g)}
@media (prefers-reduced-motion:no-preference){.voices__track{animation:mq 60s linear infinite}.voices:hover .voices__track{animation-play-state:paused}}
.voice{width:clamp(280px,30vw,420px);flex:none;border-top:2px solid var(--paper);padding-top:24px}
.voice q{display:block;font-size:19px;line-height:1.8;quotes:"「" "」"}
.voice span{display:block;margin-top:16px;color:var(--mute-ink);font-size:14px;font-weight:700;letter-spacing:.1em}
.steps3{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink);margin:32px 0}
.steps3 li{counter-increment:s;padding:24px 24px 0 0;font-size:19px;font-weight:700}
.steps3 li::before{content:"0" counter(s);display:block;font-weight:200;font-size:48px;color:var(--ver);line-height:1;margin-bottom:12px}

/* privacy — sticky contents with scroll spy */
.legal{display:grid;grid-template-columns:minmax(0,.32fr) minmax(0,1fr);gap:clamp(32px,6vw,112px);align-items:start}
.legal nav{position:sticky;top:110px}
.legal nav ol{list-style:none;border-left:2px solid var(--line)}
.legal nav a{display:block;padding:7px 0 7px 16px;margin-left:-2px;border-left:2px solid transparent;text-decoration:none;color:var(--mute);font-size:15px;transition:color .2s,border-color .2s}
.legal nav a.on{color:var(--ink);border-color:var(--ver);font-weight:700}
.legal article section{padding-bottom:clamp(40px,5vw,72px);scroll-margin-top:100px}
.legal .num{display:block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--ver);margin-bottom:8px}
.legal h2{font-size:clamp(26px,2.6vw,40px);font-weight:700;margin-bottom:20px}
.legal h3{font-size:19px;margin:24px 0 10px}
.legal p,.legal li{color:var(--mute);line-height:1.9}.legal p+p{margin-top:12px}
.legal ul{padding-left:1.2em;margin:10px 0}
.legal table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px}
.legal th,.legal td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{font-size:13px;letter-spacing:.1em;color:var(--ink)}
.legal .cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.legal .cards div{border:1px solid var(--line);padding:16px}.legal .cards b{display:block;margin-bottom:4px}
.legal-meta{display:flex;gap:32px;flex-wrap:wrap;color:var(--mute-ink);font-size:14px}.legal-meta b{color:var(--paper);margin-left:8px}

/* guides — chapter index with a reading-progress thread */
.toc{position:relative;list-style:none;padding-left:40px}
.toc::before{content:"";position:absolute;left:9px;top:0;bottom:0;width:3px;background:var(--line)}
.toc::after{content:"";position:absolute;left:9px;top:0;bottom:0;width:3px;background:var(--ver);transform-origin:top;transform:scaleY(1)}
@supports (animation-timeline:view()){@media (prefers-reduced-motion:no-preference){
  .toc::after{animation:toc-fill linear both;animation-timeline:view();animation-range:entry 30% exit 70%}
}}
@keyframes toc-fill{from{transform:scaleY(0)}to{transform:scaleY(1)}}
.toc li a{display:grid;grid-template-columns:96px minmax(0,1fr) minmax(0,1.3fr) 32px;gap:24px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;position:relative}
.toc li a::before{content:"";position:absolute;left:-37px;top:32px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--ver)}
.toc .code{font-weight:200;font-size:30px;color:var(--ver);font-variant-numeric:tabular-nums;line-height:1}
.toc h3{font-size:clamp(19px,1.6vw,24px);font-weight:700;line-height:1.45}
.toc p{color:var(--mute);font-size:15px}
.toc .ar{justify-self:end;color:var(--ver);transition:transform .3s var(--ease)}
.toc a:hover h3{color:var(--ver)}.toc a:hover .ar{transform:translateX(6px)}
.part+.part{margin-top:clamp(72px,9vw,140px)}
.part__head{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);margin-bottom:32px;align-items:end}
.part__head h2{font-weight:200;font-size:clamp(34px,4vw,64px);line-height:1.15}
.part__head .label{color:var(--ver);display:block;margin-bottom:12px}
.part__head p{color:var(--mute)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-ink)}
.pillars>div{padding:36px 28px 0 0}.pillars>div+div{border-left:1px solid var(--line-ink);padding-left:28px}
.pillars b{display:block;font-weight:200;font-size:clamp(56px,6vw,100px);color:var(--ver);line-height:1}
.pillars h3{font-size:20px;margin:16px 0 10px}.pillars p{color:var(--mute-ink);font-size:16px}
.pillars .tags{margin-top:16px}.pillars .tags li{border-color:var(--line-ink);color:var(--mute-ink)}
.sdgs{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);list-style:none;counter-reset:g}
.sdgs li{background:var(--paper);padding:16px 14px;counter-increment:g;font-weight:700;font-size:15px}
.sdgs li::before{content:counter(g);display:block;font-weight:200;font-size:30px;color:var(--ver);line-height:1;margin-bottom:6px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,32px)}
.three>div{border-top:2px solid var(--ink);padding-top:20px}
.three b{font-weight:200;font-size:44px;color:var(--ver);display:block;line-height:1}
.three h3{font-size:22px;margin:12px 0 8px}.three p{color:var(--mute)}
.three ul{list-style:none;margin-top:14px}.three li{padding:8px 0;border-top:1px solid var(--line);font-size:15px}
.pull{font-weight:200;font-size:clamp(28px,3.4vw,56px);line-height:1.4;max-width:20em}
.pull cite{display:block;font-style:normal;font-size:15px;font-weight:700;color:var(--mute-ink);margin-top:20px}

@media (max-width:900px){
  .faq-list summary{grid-template-columns:minmax(0,1fr) auto}.faq-list summary .k{grid-column:1/-1}
  .faq-list .a{padding-left:0;padding-right:0}
  .svx a{grid-template-columns:44px minmax(0,1fr) 28px;gap:6px 14px}.svx p{grid-column:2}.svx .ar{grid-row:1;grid-column:3}
  .values,.perks,.steps3,.pillars,.three{grid-template-columns:1fr}
  .values>div+div,.pillars>div+div{border-left:0;padding-left:0;border-top:1px solid var(--line-ink);margin-top:28px}
  .perks li+li{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .legal{grid-template-columns:1fr}.legal nav{position:static}.legal .cards{grid-template-columns:1fr}
  .toc{padding-left:30px}.toc li a{grid-template-columns:56px minmax(0,1fr);gap:4px 12px}.toc p{grid-column:2}.toc .ar{display:none}
  .toc li a::before{left:-27px}.toc::before,.toc::after{left:4px}
  .part__head{grid-template-columns:1fr}
  .sdgs{grid-template-columns:repeat(3,1fr)}
}

/* long sentence headings: balance the lines instead of forcing a single-glyph break */
.p-hero h1.long{word-break:normal;text-wrap:balance;font-size:clamp(40px,6.4vw,120px)}
.part__head h2,#ms{word-break:normal;text-wrap:balance}
.seg{display:inline-block;white-space:nowrap}
/* contrast: vermilion is for large type only (3.21:1 on paper) — small labels go ink, the accent moves to a mark */
.legal .num{color:var(--ink)}.legal .num::before{content:"";display:inline-block;width:18px;height:3px;background:var(--ver);vertical-align:middle;margin-right:10px}
.part__head .label{color:var(--ink)}

/* Group B content pages */
.dsec+.dsec{padding-top:0}
.dsec[data-tone=ink]+.dsec,.dsec+.dsec[data-tone=ink]{padding-top:clamp(80px,12vw,176px)}
.tbl{overflow-x:auto;border-top:2px solid var(--ink)}
.dtable{width:100%;border-collapse:collapse;font-size:16px;min-width:560px}
.dtable th,.dtable td{text-align:left;vertical-align:top;padding:16px 16px 16px 0;border-bottom:1px solid var(--line);line-height:1.75}
.dtable thead th{font-size:13px;letter-spacing:.12em;color:var(--mute)}
.dtable tbody th{font-weight:700;width:22%;padding-right:24px}
.dtable td{color:var(--mute)}
.dtable.cmp td:last-child{color:var(--ink);font-weight:700}
.dlist{list-style:none;border-top:2px solid var(--ink)}
.dlist li{padding:16px 0 16px 28px;border-bottom:1px solid var(--line);position:relative}
.dlist li::before{content:"";position:absolute;left:4px;top:28px;width:10px;height:3px;background:var(--ver)}
.problems{list-style:none;counter-reset:p;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid var(--ink)}
.problems li{counter-increment:p;padding:24px 24px 28px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:18px}
.problems li::before{content:"0" counter(p);display:block;font-weight:200;font-size:40px;color:var(--ver);line-height:1;margin-bottom:12px}
.dcards{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
[data-tone=ink] .dcards{border-color:var(--line-ink)}
.dcards>div{padding:32px 28px 32px 0;border-bottom:1px solid var(--line)}
[data-tone=ink] .dcards>div{border-color:var(--line-ink)}
.dcards h3{font-size:21px;font-weight:700;margin-bottom:10px}.dcards p{color:var(--mute)}
[data-tone=ink] .dcards p{color:var(--mute-ink)}
.dcards .th{display:block;width:100%;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);margin-bottom:18px}
.dcards .th img{width:100%;height:100%;object-fit:cover}
.steps-n li span{display:block;font-weight:400;font-size:16px;color:var(--mute);margin-top:8px;padding-right:16px}
.steps-n{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.dprose{max-width:42em;color:var(--mute);font-size:18px;line-height:1.9}.dprose+.dprose{margin-top:14px}
.dnote{margin-top:24px;padding:16px 20px;border-left:3px solid var(--ver);background:var(--paper-2);max-width:48em;font-weight:700}
@media (max-width:900px){.problems,.dcards{grid-template-columns:1fr}}
.dsub{font-size:20px;font-weight:700;margin:32px 0 12px}
.dnote{color:var(--ink)}
[data-tone=ink] .dnote{background:var(--ink-2);color:var(--paper)}
/* long headlines reserve three lines so the font swap can't push the page (mobile CLS) */
.p-hero h1.long{min-height:calc(3 * 1.15em)}

/* images on content pages (real project / team photos only) */
.photo-pair{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(12px,2vw,28px);align-items:end;margin-bottom:clamp(48px,6vw,96px)}
.photo-pair img{width:100%;aspect-ratio:4/3;object-fit:cover}.photo-pair figure:last-child img{aspect-ratio:4/5}
.photo-pair figcaption,.team-photos figcaption{font-size:14px;color:var(--mute);margin-top:10px}
.team-photos{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(12px,2vw,24px);align-items:start}
.team-photos figure:nth-child(2){margin-top:clamp(32px,5vw,80px)}
.team-photos img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.svx a{grid-template-columns:72px minmax(0,1.2fr) minmax(0,1.4fr) 132px}
.svx .th{display:block;width:132px;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.svx .th img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.svx a:hover .th img{transform:scale(1.06)}
.toc li a{grid-template-columns:96px minmax(0,1fr) minmax(0,1.3fr) 120px}
.toc .th{display:block;width:120px;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.toc .th img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.toc a:hover .th img{transform:scale(1.06)}
@media (max-width:900px){
  .photo-pair,.team-photos{grid-template-columns:1fr}.team-photos figure:nth-child(2){margin-top:0}
  .svx a{grid-template-columns:44px minmax(0,1fr) 96px}.svx p{grid-column:2}.svx .th{grid-row:1/3;grid-column:3;width:96px}
  .toc li a{grid-template-columns:56px minmax(0,1fr) 84px}.toc p{grid-column:2}.toc .th{grid-row:1/3;grid-column:3;width:84px}
}
/* natural proportions for photos; slot ratios match the source sets */
.photo-pair{grid-template-columns:1fr 1fr;align-items:start}
.photo-pair img,.photo-pair figure:last-child img{aspect-ratio:auto;height:auto;max-width:min(100%,933px)}
.team-photos img{aspect-ratio:auto;height:auto}
.svx .th{aspect-ratio:1}                                       /* works covers are square */
.toc .th{aspect-ratio:1200/630}                                /* chapter covers are 1200×630 cards */
/* link hub (/linktree/) */
.lt-wrap{display:block;min-height:auto;max-width:640px;margin:0 auto;text-align:left}
.lt-wrap h1{font-size:clamp(44px,8vw,80px)}
.lt-wrap .lead{margin:20px 0 32px}
.lt-list{list-style:none;border-top:1px solid var(--line-ink)}
.lt{display:grid;grid-template-columns:minmax(0,1fr) 28px;gap:2px 16px;padding:20px 4px;border-bottom:1px solid var(--line-ink);text-decoration:none;transition:background .3s var(--ease),padding .3s var(--ease)}
.lt b{font-size:20px}.lt span{grid-column:1;color:var(--mute-ink);font-size:14px}.lt i{grid-row:1/3;grid-column:2;align-self:center;font-style:normal;color:var(--ver);font-size:22px}
.lt:hover{padding-left:14px}.lt--main{background:var(--ver);color:var(--ink);padding:22px 16px;border:0}.lt--main span{color:var(--ink)}.lt--main i{color:var(--ink)}
.lt-wrap{max-width:none;margin:0;padding-left:max(var(--g),calc(50% - 320px));padding-right:max(var(--g),calc(50% - 320px))}