/* =========================================================
   メカセラ技研 LP — style.css（kiso.css → ja-base.css の後）
   モバイルファースト：幅 375px を基準に組み、768 / 1024 / 1280 で広げる
   ========================================================= */

/* ---------- tokens ---------- */
:root{
  --ink:#121417;
  --ink-2:#1A1D22;
  --ink-line:rgba(236,234,228,.14);
  --ink-line-2:rgba(236,234,228,.3);
  --paper:#F3F1EB;
  --paper-2:#E9E6DE;
  --paper-3:#E2DED3;
  --line:rgba(18,20,23,.14);
  --line-2:rgba(18,20,23,.3);
  --text:#15171A;
  --text-2:#4B4F55;
  --on-ink:#ECEAE4;
  --on-ink-2:#A9ADB3;
  --seal:#E5482A;          /* 朱（図形・暗い背景の上の文字） */
  --seal-strong:#C93518;   /* ボタンの地（白文字 5.2:1） */
  --seal-press:#AD2C12;
  --seal-text:#B42F14;     /* 明るい背景の上の文字 */
  --seal-soft:#FF9A85;     /* 暗い背景の上の小さい文字 */
  --font-mono:"IBM Plex Mono","Noto Sans JP",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gl:max(20px,env(safe-area-inset-left));
  --gr:max(20px,env(safe-area-inset-right));
  --wrap:1200px;
  --hd-h:60px;
  --fixbar-h:65px;
  --ease:cubic-bezier(.22,.7,.16,1);
  color-scheme:light;
}
@media (min-width:768px){
  :root{--gl:max(40px,env(safe-area-inset-left));--gr:max(40px,env(safe-area-inset-right));--hd-h:68px}
}

/* ---------- base ---------- */
html{background-color:var(--ink)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{background-color:var(--ink);color:var(--on-ink);font-size:1rem}
[id]{scroll-margin-top:calc(var(--hd-h) + env(safe-area-inset-top))}
:focus-visible{outline:2px solid var(--seal);outline-offset:3px}
a{-webkit-text-decoration-skip:ink}

.wrap{width:100%;max-width:calc(var(--wrap) + var(--gl) + var(--gr));margin-inline:auto;padding-inline:var(--gl) var(--gr)}
.mono{font-family:var(--font-mono);letter-spacing:0}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background-color:var(--seal);flex:none}
.skip{position:absolute;left:8px;top:8px;z-index:100;padding:12px 16px;border-radius:6px;background-color:var(--paper);color:var(--text);transform:translateY(-200%)}
.skip:focus-visible{transform:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  min-height:52px;padding:.5em 1.4em;
  border:1px solid transparent;border-radius:6px;
  font-size:1rem;font-weight:700;line-height:1.4;text-align:center;
  cursor:pointer;-webkit-user-select:none;user-select:none;
  transition:background-color .2s,border-color .2s,color .2s,transform .15s;
}
.btn svg{width:1.05em;height:1.05em;flex:none}
.btn:active{transform:translateY(1px)}
.btn--seal{background-color:var(--seal-strong);color:#fff}
.btn--seal:active{background-color:var(--seal-press)}
.btn--ghost{border-color:var(--ink-line-2);color:var(--on-ink)}
.btn--ghost:active{background-color:rgba(236,234,228,.1)}
.btn--ink{background-color:var(--ink);color:var(--paper)}
.btn--ink:active{background-color:#000}
.btn--line{border-color:var(--line-2);color:var(--text)}
.btn--line:active{background-color:rgba(18,20,23,.07)}
.btn--line[aria-pressed="true"]{background-color:var(--text);border-color:var(--text);color:var(--paper)}
.btn--sm{min-height:44px;padding:.4em 1.1em;font-size:.875rem}
.btn--block{display:flex;width:100%}
.btn:disabled{opacity:.6;cursor:default;transform:none}
@media (hover:hover){
  .btn--seal:hover{background-color:var(--seal-press)}
  .btn--ghost:hover{background-color:rgba(236,234,228,.08);border-color:var(--on-ink-2)}
  .btn--ink:hover{background-color:#000}
  .btn--line:hover{border-color:var(--text)}
}

/* ---------- header ---------- */
.hd{
  position:sticky;top:0;z-index:50;
  padding-top:env(safe-area-inset-top);
  background-color:var(--ink);color:var(--on-ink);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.hd.is-stuck{border-bottom-color:var(--ink-line)}
.hd__in{display:flex;align-items:center;gap:12px;min-height:var(--hd-h)}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;margin-right:auto;font-size:1.0625rem;font-weight:700;letter-spacing:.06em;line-height:1.3}
.logo__mark{width:30px;height:30px;flex:none}
.logo__ring{fill:var(--ink)}
.logo__seal{fill:var(--seal)}
.hd__nav{display:none}
.hd__cta{display:none}
.menu-btn{
  display:inline-flex;align-items:center;gap:10px;min-width:44px;min-height:44px;
  margin-right:-6px;padding:0 6px 0 12px;border-color:transparent;
  color:var(--on-ink);font-size:.8125rem;font-weight:700;
}
.menu-btn__bars{position:relative;width:22px;height:12px;border-block:2px solid currentColor}
.menu-btn:active{opacity:.7}
@media (min-width:768px){
  .hd__cta{display:inline-flex;min-height:44px;padding:.4em 1.2em;font-size:.875rem}
}
@media (min-width:1120px){
  .hd__nav{display:flex;margin-right:8px}
  .hd__nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 11px;font-size:.875rem;color:var(--on-ink-2);transition:color .2s}
  .hd__nav a:active{color:var(--on-ink)}
  .menu-btn{display:none}
}
@media (hover:hover){.hd__nav a:hover{color:var(--on-ink)}}

/* ---------- menu (dialog) ---------- */
.menu{
  position:fixed;inset:0;width:100%;height:100vh;height:100dvh;margin:0;
  overflow-y:auto;overscroll-behavior:contain;
  background-color:var(--ink);color:var(--on-ink);
}
.menu::backdrop{background-color:var(--ink)}
.menu__in{
  display:flex;flex-direction:column;min-height:100%;
  padding:env(safe-area-inset-top) var(--gr) calc(24px + env(safe-area-inset-bottom)) var(--gl);
}
.menu[open] .menu__in{animation:menu-in .35s var(--ease)}
@keyframes menu-in{from{opacity:0;transform:translate3d(0,-10px,0)}}
.menu__top{display:flex;align-items:center;justify-content:space-between;min-height:var(--hd-h)}
.menu__title{font-size:.75rem;color:var(--on-ink-2)}
.menu__close{
  display:inline-flex;align-items:center;gap:10px;min-width:44px;min-height:44px;
  margin-right:-6px;padding:0 6px 0 12px;border-color:transparent;font-size:.8125rem;font-weight:700;
}
.menu__close:active{opacity:.7}
.menu__x{position:relative;width:20px;height:20px}
.menu__x::before,.menu__x::after{content:"";position:absolute;left:0;top:9px;width:20px;height:2px;background-color:currentColor;transform:rotate(45deg)}
.menu__x::after{transform:rotate(-45deg)}
.menu__list{margin-top:8px;border-top:1px solid var(--ink-line)}
.menu__list a{display:flex;align-items:baseline;gap:16px;min-height:60px;padding:14px 0;border-bottom:1px solid var(--ink-line);font-size:1.25rem;font-weight:700;line-height:1.5}
.menu__list a:active{color:var(--seal-soft)}
.menu__no{font-size:.75rem;font-weight:400;color:var(--seal)}
.menu__contact{display:grid;gap:12px;margin-top:auto;padding-top:32px}

/* ---------- hero ---------- */
.hero{
  position:relative;display:flex;flex-direction:column;
  min-height:calc(100vh - var(--hd-h));
  min-height:calc(100svh - var(--hd-h) - env(safe-area-inset-top));
  overflow:clip;background-color:var(--ink);color:var(--on-ink);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(236,234,228,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(236,234,228,.05) 1px,transparent 1px);
  background-size:32px 32px;background-position:center top;
  -webkit-mask-image:linear-gradient(to bottom,#000 20%,transparent 92%);mask-image:linear-gradient(to bottom,#000 20%,transparent 92%);
}
.hero__in{position:relative;flex:1 0 auto;display:flex;flex-direction:column;justify-content:center;padding-block:36px 32px}
.hero__label{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:.75rem;line-height:1.6;color:var(--on-ink-2)}
.hero__title{margin:18px 0 0;font-size:clamp(2.375rem,1.25rem + 5.6vw,5.5rem);line-height:1.25;letter-spacing:.03em}
.hero__lead{margin-top:20px;color:var(--on-ink-2)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__cta .btn{flex:1 1 150px;min-width:0}
@media (min-width:768px){
  .hero__in{padding-block:64px 48px}
  .hero__foot{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px 64px;align-items:end;margin-top:36px}
  .hero__lead{margin-top:0;font-size:1.0625rem}
  .hero__cta{margin-top:0}
}

/* ledger（台帳のデモ）：キャンバスはページの中に置き、文字と同じ仕組みでスクロールさせる */
.ledger{position:relative;padding-block:14px 12px;border-top:1px solid var(--ink-line)}
.ledger__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:2px 24px}
.ledger__title{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--on-ink)}
.ledger__hint{font-size:.8125rem;line-height:1.7;color:var(--on-ink-2)}
.ledger__stage{
  position:relative;height:156px;margin-top:6px;
  touch-action:pan-y;cursor:grab;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
  /* JS・キャンバスが動かないときも、軸の線だけは見える */
  background:linear-gradient(var(--ink-line),var(--ink-line)) center / 100% 1px no-repeat;
}
.ledger__stage.is-grabbing{cursor:grabbing}
.ledger__canvas{position:absolute;inset:0;display:block;width:100%;height:100%;touch-action:pan-y}
.ledger__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}
.ledger__readout{display:flex;flex-wrap:wrap;gap:0 18px;min-width:0;font-size:.75rem;line-height:1.7}
.ledger__readout div{display:flex;gap:8px}
.ledger__readout dt{font-weight:400;color:var(--on-ink-2)}
.ledger__readout dd{color:var(--on-ink);font-variant-numeric:tabular-nums}
.ledger__readout .is-wide{display:none}
.ledger__add{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:none;
  min-width:44px;min-height:44px;padding:0 14px;border-color:var(--ink-line-2);border-radius:6px;
  color:var(--on-ink);font-size:.8125rem;font-weight:700;transition:background-color .2s,border-color .2s;
}
.ledger__add svg{width:14px;height:14px}
.ledger__add:active{background-color:rgba(236,234,228,.1)}
@media (hover:hover){.ledger__add:hover{border-color:var(--on-ink-2)}}
@media (min-width:768px){
  .ledger__stage{height:216px}
  .ledger__readout .is-wide{display:flex}
}
@media (min-width:1280px){.ledger__stage{height:236px}}

/* ---------- sections ---------- */
.sec{padding-block:clamp(72px,9vw,128px)}
.sec--paper{background-color:var(--paper);color:var(--text)}
.sec--paper2{background-color:var(--paper-2);color:var(--text)}
.sec--ink{background-color:var(--ink);color:var(--on-ink)}
.label{display:flex;align-items:center;gap:10px;font-size:.8125rem;line-height:1.6;color:var(--seal-text)}
.label::before{content:"";width:8px;height:8px;border-radius:50%;background-color:currentColor;flex:none}
.sec--ink .label{color:var(--seal)}
.sec__title{margin-top:14px;font-size:clamp(1.625rem,1.2rem + 2vw,2.75rem);line-height:1.42;letter-spacing:.03em}
.sec__lead{margin-top:18px;color:var(--text-2)}
.sec--ink .sec__lead{color:var(--on-ink-2)}
.note{margin-top:14px;font-size:.8125rem;line-height:1.7;color:var(--on-ink-2)}
@media (min-width:1024px){
  .sec__head{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);column-gap:64px;align-items:end}
  .sec__head .label{grid-column:1 / -1}
  .sec__head .sec__lead{margin-top:0}
}
/* 見出しを左、中身を右に置く段組み（FAQ・会社概要） */
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media (min-width:1024px){
  .split{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:64px}
  .split .sec__head{display:block}
}

/* ---------- service ---------- */
.svc{display:grid;grid-template-columns:minmax(0,1fr);gap:64px;margin-top:44px}
@media (min-width:900px){.svc{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}}
.svc__stage{
  position:relative;display:grid;place-items:center;aspect-ratio:5 / 4;overflow:clip;
  border:1px solid var(--line);border-radius:12px;
  background-color:var(--paper-3);
  background-image:radial-gradient(rgba(18,20,23,.18) 1px,transparent 1.3px);background-size:16px 16px;background-position:8px 8px;
}
.svc__ctrl{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:12px}
.svc__hint{flex:1 1 200px;min-width:0;font-size:.8125rem;line-height:1.7;color:var(--text-2)}
.svc__msg{flex-basis:100%;font-size:.8125rem;line-height:1.7;color:var(--seal-text)}
.svc__msg:empty{display:none}
.svc__no{margin-top:32px;font-size:.8125rem;color:var(--seal-text)}
.svc__title{margin-top:8px;font-size:clamp(1.1875rem,1rem + .8vw,1.5rem);line-height:1.55}
.svc__text{margin-top:14px;color:var(--text-2)}
.ticks{margin-top:20px;border-top:1px solid var(--line)}
.ticks li{position:relative;padding:12px 0 12px 26px;border-bottom:1px solid var(--line)}
.ticks li::before{content:"";position:absolute;left:1px;top:calc(12px + .9em - 5px);width:10px;height:10px;border:2px solid var(--seal-text);border-radius:50%}

/* NFT の図柄 */
.nft{display:grid;justify-items:center;gap:14px;width:100%;margin:0}
.nft__frame{width:min(54%,250px);aspect-ratio:1;padding:8px;border:1px solid var(--line-2);background-color:var(--paper);box-shadow:0 18px 30px -22px rgba(18,20,23,.55)}
.nft__art{display:block;width:100%;height:100%}
.nft__art g{transition:opacity .5s var(--ease)}
.nft__meta{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 18px;font-size:.75rem;line-height:1.6;color:var(--text-2)}
.nft__meta b{font-weight:500;color:var(--text);font-variant-numeric:tabular-nums}

/* カード（3D） */
.pcard{
  position:relative;width:min(80%,360px);aspect-ratio:1.586;
  container-type:inline-size;perspective:1100px;
  touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
.pcard.is-grabbing{cursor:grabbing}
.pcard__body{
  position:absolute;inset:0;
  -webkit-transform-style:preserve-3d;transform-style:preserve-3d;
  transform:rotateX(6deg) rotateY(-16deg);
  transition:transform .75s var(--ease);
}
.pcard__face{
  position:absolute;inset:0;overflow:hidden;border-radius:5cqw;
  -webkit-backface-visibility:hidden;backface-visibility:hidden;
  background-color:#16191D;color:var(--on-ink);
  box-shadow:0 3cqw 8cqw -3cqw rgba(0,0,0,.55);
}
.pcard__face--front{background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 7px)}
.pcard__face--back{transform:rotateY(180deg)}
.pcard__disc{position:absolute;right:-16cqw;bottom:-30cqw;width:66cqw;aspect-ratio:1;border-radius:50%;background-color:var(--seal)}
.pcard__brand{position:absolute;left:7cqw;top:7cqw;font-size:4.4cqw;font-weight:500;letter-spacing:.12em}
.pcard__nfc{position:absolute;right:6.5cqw;top:5.5cqw;width:8cqw;height:8cqw;opacity:.8}
.pcard__chip{
  position:absolute;left:7cqw;top:24cqw;width:13cqw;height:10cqw;border-radius:1.8cqw;
  background-color:#CDBD92;
  background-image:linear-gradient(90deg,transparent 32%,rgba(0,0,0,.22) 32% 34%,transparent 34% 66%,rgba(0,0,0,.22) 66% 68%,transparent 68%),linear-gradient(transparent 47%,rgba(0,0,0,.22) 47% 53%,transparent 53%);
}
.pcard__num{position:absolute;left:7cqw;bottom:15cqw;font-size:5cqw;letter-spacing:.06em;white-space:nowrap}
.pcard__type{position:absolute;left:7cqw;bottom:7cqw;font-size:3.2cqw;letter-spacing:.14em;text-transform:uppercase;color:var(--on-ink-2)}
.pcard__stripe{position:absolute;left:0;right:0;top:10cqw;height:15cqw;background-color:#050607}
.pcard__sign{
  position:absolute;left:7cqw;top:33cqw;width:62cqw;height:12cqw;border-radius:1cqw;
  background-color:#ECEAE4;
  background-image:repeating-linear-gradient(-45deg,transparent 0 2px,rgba(18,20,23,.06) 2px 3px);
}
.pcard__seal{position:absolute;right:-17cqw;top:50%;width:14cqw;font-size:3.6cqw;transform:translateY(-50%) rotate(-10deg)}
.pcard__fine{position:absolute;left:7cqw;bottom:7cqw;font-size:3cqw;letter-spacing:.1em;text-transform:uppercase;color:var(--on-ink-2)}
.pcard__sheen{
  position:absolute;inset:-20%;pointer-events:none;
  background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.13) 48%,rgba(255,255,255,.02) 56%,transparent 62%);
  transform:translate3d(0,0,0);
}

/* 印（承認） */
.seal{
  display:inline-grid;place-items:center;aspect-ratio:1;border:2px solid var(--seal);border-radius:50%;
  box-shadow:inset 0 0 0 2px transparent,inset 0 0 0 3px var(--seal);
  color:var(--seal);font-weight:700;line-height:1;letter-spacing:.02em;white-space:nowrap;
}

/* ---------- payment flow ---------- */
.flow{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){.flow{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:80px;align-items:center}}
.term{padding:20px;border:1px solid var(--ink-line);border-radius:14px;background-color:var(--ink-2)}
@media (min-width:768px){.term{padding:28px}}
.term__head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--ink-line-2);font-size:.75rem;color:var(--on-ink-2)}
.term__state{display:inline-flex;align-items:center;gap:8px;color:var(--on-ink);font-family:var(--font-ja)}
.term__state::before{content:"";width:8px;height:8px;border-radius:50%;background-color:var(--on-ink-2);transition:background-color .3s}
.term[data-phase="run"] .term__state::before{background-color:#E5B83A}
.term[data-phase="done"] .term__state::before{background-color:var(--seal)}
.term__amount{margin-top:16px;font-size:2.5rem;font-weight:500;line-height:1.2;letter-spacing:-.01em}
.term__shop{margin-top:4px;font-size:.8125rem;color:var(--on-ink-2)}
.steps{margin-top:20px}
.step{position:relative;display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:14px;padding:8px 0}
.step:not(:last-child)::before,
.step:not(:last-child)::after{content:"";position:absolute;left:15px;top:24px;width:2px;height:100%}
.step:not(:last-child)::before{background-color:var(--ink-line-2)}
.step:not(:last-child)::after{background-color:var(--seal);transform:scaleY(0);transform-origin:top;transition:transform .45s var(--ease)}
.step[data-state="done"]::after{transform:scaleY(1)}
.step__icon{position:relative;z-index:1;display:grid;place-items:center;width:32px;height:32px;border:2px solid var(--ink-line-2);border-radius:50%;background-color:var(--ink-2);font-size:.75rem;color:var(--on-ink-2);transition:background-color .3s,border-color .3s,color .3s}
.step__ok{position:absolute;width:16px;height:16px;opacity:0;transform:scale(.6);transition:opacity .25s,transform .3s var(--ease)}
.step__n{transition:opacity .2s}
.step[data-state="active"] .step__icon{border-color:var(--seal);color:var(--on-ink)}
.step[data-state="active"] .step__icon::after{content:"";position:absolute;inset:-7px;border:2px solid transparent;border-top-color:var(--seal);border-radius:50%;animation:spin .9s linear infinite}
.step[data-state="done"] .step__icon{border-color:var(--seal);background-color:var(--seal);color:#fff}
.step[data-state="done"] .step__n{opacity:0}
.step[data-state="done"] .step__ok{opacity:1;transform:none}
.step__body{min-width:0;padding-top:2px}
.step__name{font-weight:700;line-height:1.7}
.step__desc{font-size:.8125rem;line-height:1.7;color:var(--on-ink-2)}
.step__state{align-self:start;margin-top:4px;padding:1px 8px;border:1px solid var(--ink-line-2);border-radius:999px;font-family:var(--font-ja);font-size:.6875rem;line-height:1.7;white-space:nowrap;color:var(--on-ink-2)}
.step[data-state="active"] .step__state{border-color:var(--seal);color:var(--on-ink)}
.step[data-state="done"] .step__state{border-color:transparent;background-color:rgba(229,72,42,.16);color:var(--seal-soft)}
@keyframes spin{to{transform:rotate(360deg)}}
.term__receipt{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:84px;margin-top:16px;padding:14px 16px;border:1px dashed var(--ink-line-2);border-radius:10px;background-color:var(--ink)}
.term__tx{min-width:0;font-size:.75rem;line-height:1.6;color:var(--on-ink-2)}
.term__tx b{display:block;margin-top:2px;font-size:.8125rem;font-weight:500;color:var(--on-ink);overflow-wrap:anywhere}
.term__tx span{display:block;font-family:var(--font-ja)}
.term__stamp{flex:none;width:58px;font-size:.875rem;opacity:0;transform:scale(1.7) rotate(-16deg)}
.term[data-phase="done"] .term__stamp{opacity:1;transform:rotate(-10deg);transition:opacity .2s,transform .4s cubic-bezier(.3,1.5,.5,1)}
.term .btn{margin-top:16px}

/* ---------- capability ---------- */
.cap{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:40px 32px;margin-top:44px}
.cap__item{padding-top:20px;border-top:1px solid var(--text)}
.cap__top{display:flex;align-items:center;justify-content:space-between}
.cap__icon{width:36px;height:36px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}
.cap__no{font-size:.75rem;color:var(--text-2)}
.cap__title{margin-top:14px;font-size:1.1875rem;line-height:1.55}
.cap__text{margin-top:8px;font-size:.9375rem;color:var(--text-2)}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:minmax(0,1fr);margin-top:44px}
.process li{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);column-gap:18px;padding-bottom:28px}
.process li:last-child{padding-bottom:0}
.process li:not(:last-child)::before{content:"";position:absolute;left:23.5px;top:48px;bottom:0;width:1px;background-color:var(--line-2)}
.process__no{grid-row:1 / span 2;display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--text);border-radius:50%;background-color:var(--paper-2);font-size:.875rem}
.process h3{padding-top:10px;font-size:1.125rem;line-height:1.55}
.process p{margin-top:6px;font-size:.9375rem;color:var(--text-2)}
@media (min-width:1024px){
  .process{grid-template-columns:repeat(5,minmax(0,1fr));gap:28px}
  .process li{grid-template-columns:minmax(0,1fr);padding-bottom:0}
  .process li:not(:last-child)::before{left:56px;right:-20px;top:23.5px;bottom:auto;width:auto;height:1px}
  .process__no{grid-row:auto}
  .process h3{padding-top:20px}
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line-2)}
.faq__item{border-bottom:1px solid var(--line-2)}
.faq__item summary{display:block;min-height:44px}
.faq__row{display:grid;grid-template-columns:16px minmax(0,1fr) 30px;gap:12px;align-items:start;padding:20px 0;font-weight:700;line-height:1.7}
.faq__q{font-weight:500;color:var(--seal-text)}
.faq__icon{position:relative;width:30px;height:30px;margin-top:-1px;border:1px solid var(--line-2);border-radius:50%;transition:background-color .2s}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;background-color:currentColor;transition:transform .3s var(--ease)}
.faq__icon::after{transform:rotate(90deg)}
.faq__item[open] .faq__icon::after{transform:rotate(0deg)}
.faq__item summary:active .faq__icon{background-color:rgba(18,20,23,.08)}
@media (hover:hover){.faq__item summary:hover .faq__icon{background-color:rgba(18,20,23,.06)}}
.faq__a{padding:0 42px 24px 28px;color:var(--text-2)}

/* ---------- company ---------- */
.company{border-top:1px solid var(--line-2)}
.company > div{display:grid;grid-template-columns:6.5em minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line-2)}
.company dt{padding-top:1px;font-weight:700}
.company dd{min-width:0}
.company__biz li{position:relative;padding-left:1.1em}
.company__biz li::before{content:"";position:absolute;left:0;top:.9em;width:.5em;height:1px;background-color:currentColor}
.tlink{display:inline-flex;align-items:center;min-height:44px;color:var(--seal-text);text-decoration-line:underline;text-underline-offset:.25em}
.tlink--plain{color:inherit;text-decoration-line:none;min-height:auto;padding-block:10px;margin-block:-10px}
.sec--ink .tlink{color:var(--seal-soft)}
@media (hover:hover){.tlink:hover{text-decoration-thickness:2px}.tlink--plain:hover{color:var(--seal-text)}}

/* ---------- contact ---------- */
.contact__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1024px){.contact__grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:72px;align-items:end}}
.ways{display:grid;gap:12px}
@media (min-width:768px){.ways{grid-template-columns:repeat(2,minmax(0,1fr))}}
.way{
  display:grid;grid-template-columns:minmax(0,1fr) 20px;grid-template-areas:"label arrow" "val arrow";align-items:center;column-gap:16px;
  min-height:76px;padding:12px 18px;border:1px solid var(--ink-line-2);border-radius:10px;transition:border-color .2s,background-color .2s;
}
.way:active{background-color:rgba(236,234,228,.07)}
@media (hover:hover){.way:hover{border-color:var(--on-ink-2)}}
.way__label{grid-area:label;font-size:.8125rem;line-height:1.6;color:var(--on-ink-2)}
.way__val{grid-area:val;font-size:1rem;font-weight:500;line-height:1.5}
.way__arrow{grid-area:arrow;width:20px;height:20px;color:var(--seal)}
@media (min-width:400px){.way__val{font-size:1.125rem}}
.contact__person{margin-top:18px;font-size:.875rem;color:var(--on-ink-2)}


/* ---------- footer ---------- */
.ft{
  padding-block:48px calc(40px + env(safe-area-inset-bottom));
  border-top:1px solid var(--ink-line);background-color:var(--ink);color:var(--on-ink-2);
}
.ft__in{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.ft .logo{color:var(--on-ink)}
.ft__addr{margin-top:10px;font-size:.8125rem;line-height:1.8}
.ft__addr a{display:inline-flex;align-items:center;min-height:44px;margin-block:-11px;vertical-align:middle}
.ft__nav{display:flex;flex-wrap:wrap;margin-inline:-10px}
.ft__nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;font-size:.8125rem;transition:color .2s}
.ft__nav a:active{color:var(--on-ink)}
@media (hover:hover){.ft__nav a:hover{color:var(--on-ink)}}
.ft__copy{font-size:.75rem}
@media (min-width:1024px){
  .ft__in{grid-template-columns:minmax(0,1fr) auto;align-items:end;column-gap:48px}
  .ft__nav{justify-content:flex-end}
  .ft__copy{grid-column:1 / -1}
}
/* スマホ：下の固定ボタンの分だけ余白を足す */
@media (max-width:1023.98px){
  .ft{padding-bottom:calc(40px + var(--fixbar-h) + env(safe-area-inset-bottom))}
}

/* ---------- fixed bar (mobile) ---------- */
.fixbar{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;
  padding:8px var(--gr) calc(8px + env(safe-area-inset-bottom)) var(--gl);
  border-top:1px solid var(--ink-line);background-color:var(--ink);
  transition:transform .35s var(--ease),visibility 0s;
}
.fixbar .btn{min-height:48px;padding-inline:.6em;font-size:.9375rem}
.js .fixbar:not(.is-on){transform:translate3d(0,110%,0);visibility:hidden;transition:transform .35s var(--ease),visibility 0s .35s}
@media (min-width:1024px){.fixbar{display:none}}

/* ---------- motion ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translate3d(0,22px,0);transition:opacity .8s var(--ease),transform .8s var(--ease)}
  .js .rv.is-in{opacity:1;transform:none}
  .js .svc .rv:nth-child(2),.js .cap .rv:nth-child(3n+2),.js .process .rv:nth-child(2){transition-delay:.08s}
  .js .cap .rv:nth-child(3n),.js .process .rv:nth-child(3){transition-delay:.16s}
  .js .process .rv:nth-child(4){transition-delay:.24s}
  .js .process .rv:nth-child(5){transition-delay:.32s}

  .js .hero__label,.js .hero__title .ib,.js .hero__title:not(:has(.ib)),.js .hero__foot,.js .ledger{animation:rise .9s var(--ease) both}
  .js .hero__title .ib:nth-child(1){animation-delay:.06s}
  .js .hero__title .ib:nth-child(2){animation-delay:.14s}
  .js .hero__title .ib:nth-child(3){animation-delay:.22s}
  .js .hero__title .ib:nth-child(4){animation-delay:.3s}
  .js .hero__foot{animation-delay:.34s}
  .js .ledger{animation-delay:.46s}
}
@keyframes rise{from{opacity:0;transform:translate3d(0,.5em,0)}}
@media (prefers-reduced-motion:reduce){
  .pcard__body,.step::after,.term__stamp,.nft__art g{transition:none !important}
  .step[data-state="active"] .step__icon::after{animation:none}
}