/* 固定ページ「flow」専用 */
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* page hero（制作実績ページと共通の形） */
.page-hero{padding-block:clamp(64px,9vw,112px) clamp(40px,6vw,64px);border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse 60% 80% at 90% 0%,color-mix(in srgb,var(--gold) 8%,transparent),transparent 70%),var(--paper)}
.page-hero .wrap{display:grid;gap:18px}
.crumbs{font-size:.74rem;color:var(--muted);letter-spacing:.1em;display:flex;gap:10px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--gold)}
.page-hero h1{font-size:clamp(2rem,4.4vw,3rem);letter-spacing:.14em}
.page-hero p{color:var(--muted);max-width:40rem}
.jump{display:flex;flex-wrap:wrap;gap:8px 0;margin:8px 0 0;padding:0;list-style:none;border-top:1px solid var(--line);padding-top:20px}
.jump a{display:inline-flex;align-items:baseline;gap:8px;text-decoration:none;font-size:.84rem;letter-spacing:.08em;padding:.3em 1.2em .3em 0;margin-right:1.2em;border-right:1px solid var(--line)}
.jump li:last-child a{border-right:0}
.jump a b{font-family:var(--f-latin);font-style:italic;font-weight:500;color:var(--gold);font-size:1.05rem}
.jump a:hover{color:var(--gold)}

/* steps */
.timeline-steps{list-style:none;margin:0;padding:0;display:grid;counter-reset:st}
.st{counter-increment:st;display:grid;grid-template-columns:minmax(0,15rem) minmax(0,1fr);gap:clamp(20px,4vw,56px);padding-block:clamp(36px,5vw,56px);border-top:1px solid var(--line);scroll-margin-top:96px}
.st:last-child{border-bottom:1px solid var(--line)}
.st-head{display:grid;gap:10px;align-content:start;position:relative}
.st-head::before{content:counter(st,decimal-leading-zero);font-family:var(--f-latin);font-style:italic;font-weight:500;font-size:clamp(3rem,6vw,4.2rem);line-height:.9;color:var(--gold)}
.st-head h2{font-size:1.4rem;letter-spacing:.12em}
.st-head .en-sub{font-family:var(--f-latin);font-style:italic;color:var(--muted);letter-spacing:.08em}
.st-time{justify-self:start;font-size:.74rem;letter-spacing:.1em;padding:.3em .9em;border:1px solid var(--line);color:var(--ink)}
.st-body{display:grid;gap:22px;min-width:0}
.st-lead{font-size:1.02rem;line-height:2}
.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line)}
.role{padding:22px 24px;display:grid;gap:10px;align-content:start;min-width:0}
.role + .role{border-left:1px solid var(--line);background:var(--surface)}
.role h3{font-family:var(--f-body);font-size:.76rem;font-weight:500;letter-spacing:.14em;color:var(--muted)}
.role.us h3{color:var(--gold)}
.role ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:.9rem}
.role li{display:grid;grid-template-columns:14px 1fr;gap:10px}
.role li::before{content:"";width:6px;height:6px;margin-top:.75em;transform:rotate(45deg);border:1px solid var(--gold)}
.role.us li::before{background:var(--gold)}
.st-note{font-size:.8rem;color:var(--muted)}
.st-time.is-key{background:var(--gold);border-color:var(--gold);color:var(--paper);font-weight:700}
.promise{position:relative;padding:clamp(24px,3.4vw,36px) clamp(22px,3.4vw,40px);border:1px solid var(--gold);background:linear-gradient(135deg,var(--gold-soft),transparent 70%);display:grid;gap:12px}
.promise::after{content:"";position:absolute;inset:6px;border:1px solid color-mix(in srgb,var(--gold) 30%,transparent);pointer-events:none}
.promise-label{font-size:.72rem;letter-spacing:.2em;color:var(--gold)}
.promise-big{font-family:var(--f-display);font-weight:600;font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.6;letter-spacing:.1em}
.promise-big em{font-style:normal;color:var(--gold);border-bottom:1px solid var(--gold);padding-bottom:2px}
.promise-sub{color:var(--muted);font-size:.9rem}
.prep-make{margin-top:28px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;padding:22px 26px;border:1px solid var(--line);border-left:2px solid var(--gold);background:var(--surface)}
.prep-make b{font-family:var(--f-display);font-weight:600;font-size:1.1rem;letter-spacing:.08em}
.prep-make span{font-size:.84rem;color:var(--muted)}

/* duration table */
.dur-wrap{overflow-x:auto;border:1px solid var(--line)}
.dur{width:100%;border-collapse:collapse;min-width:560px;font-size:.92rem}
.dur th,.dur td{text-align:left;padding:18px 22px;border-bottom:1px solid var(--line);vertical-align:middle}
.dur tr:last-child th,.dur tr:last-child td{border-bottom:0}
.dur thead th{font-size:.74rem;font-weight:500;letter-spacing:.14em;color:var(--muted);background:var(--surface)}
.dur tbody th{font-family:var(--f-display);font-weight:600;letter-spacing:.08em}
.dur .term{font-family:var(--f-latin);font-weight:600;font-size:1.3rem;color:var(--gold);white-space:nowrap;font-variant-numeric:lining-nums}
.dur .term small{font-family:var(--f-body);font-size:.75rem;color:var(--muted);font-weight:400;margin-inline:2px}
.dur td.eg{color:var(--muted);font-size:.84rem}
.dur-note{margin-top:14px;font-size:.78rem;color:var(--muted)}

/* prepare */
.prep{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.prep div{background:var(--paper);padding:28px;display:grid;gap:10px;align-content:start;min-width:0}
.prep svg{width:26px;height:26px;color:var(--gold)}
.prep h3{font-size:1.02rem;letter-spacing:.08em}
.prep p{font-size:.86rem;color:var(--muted)}
.prep .opt{font-size:.7rem;letter-spacing:.12em;color:var(--muted);border:1px solid var(--line);justify-self:start;padding:.1em .7em}
.prep-note{margin-top:20px;color:var(--muted);font-size:.9rem}

/* faq */
.faq{display:grid;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;padding:24px 4px 24px 0;font-weight:500;letter-spacing:.06em;line-height:1.7}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";flex:none;width:1.6rem;font-family:var(--f-latin);font-style:italic;font-size:1.5rem;color:var(--gold);line-height:1.1}
.faq summary::after{content:"";flex:none;margin-left:auto;margin-top:.45em;width:12px;height:12px;background:linear-gradient(var(--muted),var(--muted)) center/100% 1px no-repeat,linear-gradient(var(--muted),var(--muted)) center/1px 100% no-repeat;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg);background:linear-gradient(var(--gold),var(--gold)) center/100% 1px no-repeat,linear-gradient(var(--gold),var(--gold)) center/1px 100% no-repeat}
.faq summary:hover{color:var(--gold)}
.faq .q-text{flex:1;min-width:0}
.faq .q-text .draft{margin-left:10px;white-space:nowrap}
.faq .a{display:flex;gap:16px;padding:0 44px 26px 0;color:var(--muted);font-size:.92rem;line-height:1.9}
.faq .a::before{content:"A";flex:none;width:1.6rem;font-family:var(--f-latin);font-style:italic;font-size:1.5rem;color:color-mix(in srgb,var(--ink) 55%,transparent);line-height:1.1}
.faq .a p{flex:1;min-width:0}
.faq .a strong{color:var(--ink);font-weight:500}
.draft{display:inline-block;margin-left:8px;font-size:.62rem;letter-spacing:.1em;padding:.05em .6em;border:1px dashed var(--muted);color:var(--muted);vertical-align:middle;font-weight:400}

/* bottom cta */
.page-cta{border-top:1px solid var(--line);background:var(--band)}
.page-cta .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px}
.page-cta h2{font-size:clamp(1.4rem,2.8vw,1.9rem);letter-spacing:.12em}
.page-cta p{color:var(--muted);margin-top:8px}
.page-cta .actions{display:flex;flex-wrap:wrap;gap:12px}

@media (max-width:900px){
  .st{grid-template-columns:minmax(0,1fr);gap:20px}
  .st-head{grid-template-columns:auto 1fr;column-gap:18px;align-items:end}
  .st-head::before{grid-row:span 3;align-self:start}
  .prep{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .roles{grid-template-columns:minmax(0,1fr)}
  .role + .role{border-left:0;border-top:1px solid var(--line)}
  .prep{grid-template-columns:minmax(0,1fr)}
  .jump a{border-right:0;margin-right:.6em}
}