/* ===== design tokens (karuzip design system) =====
   値は designs/_ds/karuzip-design-system-.../tokens/*.css と同一。
   #6b7886 / #cdd6e2 / #F1F3F6 / #e6f0fc / エラー三色は未 token 化の既存値なので直値で使う。 */
:root{
  --blue:#2B6FD6;--blue-d:#225BB0;--blue-l:#4A90E2;--tint:#F2F7FE;
  --ink:#1D2632;--ink2:#4A5564;--mute:#8893A3;--line:#E6EBF1;--bg:#FAFBFC;
  --line-strong:#cdd6e2;--green:#138A62;
  --r-6:6px;--r-8:8px;--r-9:9px;--r-10:10px;--r-12:12px;--r-15:15px;--r-pill:999px;
  --ls-wordmark:-.4px;
  --font-brand:'Zen Kaku Gothic New','Yu Gothic UI','Noto Sans JP','Meiryo',system-ui,sans-serif;
  --font-display:'Zen Kaku Gothic New','Yu Gothic UI','Noto Sans JP','Meiryo',system-ui,sans-serif;
  --font-body:'Zen Kaku Gothic New','Yu Gothic UI','Hiragino Kaku Gothic ProN','Meiryo',sans-serif;
  --font-mono:'Consolas',monospace;
  --gutter:clamp(18px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased}
a{color:var(--ink2);text-decoration:none;transition:color .15s}
a:hover{color:var(--blue)}
h1,h2,h3,p,dl,dt,dd,ol,ul,li,figure{margin:0}
ul,ol{padding:0;list-style:none}
[hidden]{display:none!important}
@keyframes kzi-sweep{0%{transform:translateX(-110%)}100%{transform:translateX(210%)}}
@keyframes kzi-live{0%,100%{opacity:.4}50%{opacity:1}}
:where(a,button,summary,[tabindex]):focus-visible{outline:3px solid rgba(43,111,214,.34);outline-offset:3px}
:where(input,textarea,select):focus-visible{outline:3px solid rgba(43,111,214,.34);outline-offset:3px;box-shadow:0 0 0 2px rgba(43,111,214,.14)}
@media (prefers-reduced-motion:reduce){
  [data-kzi]{animation:none!important}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ===== page frame ===== */
.kz-page{min-height:100vh;display:flex;flex-direction:column}
.kz-main{flex:1}
.kz-wrap{max-width:1280px;margin:0 auto}
.kz-doc-wrap{max-width:780px;margin:0 auto}

/* ===== site header ===== */
.kz-hd{position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;align-items:center;gap:4px clamp(14px,2.4vw,30px);min-height:56px;padding:6px var(--gutter);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.kz-hd__bar{display:contents}
.kz-hd__mark{display:flex;align-items:center;gap:9px;font-family:var(--font-brand);font-size:17px;font-weight:700;letter-spacing:var(--ls-wordmark);color:var(--ink)}
.kz-hd__logo{width:24px;height:24px;flex:none}
.kz-hd__mark b{font-weight:700}
.kz-hd__mark b span{color:var(--blue)}
.kz-hd__sep{color:var(--line-strong)}
.kz-hd__kicker{font-size:13px;color:var(--ink2);font-weight:500}
.kz-hd__nav{margin-left:auto;display:flex;flex-wrap:wrap;align-items:center;gap:0 clamp(12px,1.8vw,22px);font-size:12.5px;color:#6b7886}
.kz-hd__nav a{display:inline-flex;align-items:center;min-height:44px;white-space:nowrap}
.kz-hd__nav a[aria-current=page]{color:var(--ink);font-weight:700}
.kz-hd__rule{width:1px;height:16px;background:var(--line)}
.kz-hd__label,.kz-hd__navbtn,.kz-navpanel{display:none}

/* ===== breadcrumb + h1 ===== */
.kz-intro{padding:clamp(18px,2.2vw,26px) var(--gutter) 0}
.kz-crumb{display:flex;align-items:center;gap:8px;font-size:11.5px;color:#6b7886}
.kz-crumb span.kz-crumb__sep{color:var(--line-strong)}
.kz-head{margin-top:10px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px}
.kz-h1{font-family:var(--font-brand);font-size:clamp(17px,1.5vw,20px);font-weight:700;letter-spacing:-.01em;line-height:1.7;text-wrap:pretty}
.kz-lede{font-size:12.5px;line-height:1.95;color:#6b7886}
.kz-lede-en{margin-top:3px;font-size:11.5px;line-height:1.8;color:#8893A3}

/* ===== workbench ===== */
.kz-wb{padding:clamp(18px,2.4vw,28px) var(--gutter) clamp(44px,5.6vw,80px)}
.kz-wb__row{max-width:1280px;margin:0 auto;display:flex;flex-wrap:wrap;gap:clamp(16px,2vw,24px);align-items:stretch}
.kz-zone{flex:1 1 296px;min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;border:1.5px dashed #aac4ec;border-radius:var(--r-15);background:#FCFDFE;padding:clamp(30px,4vw,54px) clamp(22px,2.6vw,34px);transition:border-color .15s,background .15s}
.kz-zone.is-over{border:2px solid var(--blue);background:var(--tint)}
.kz-zone__title{margin-top:20px;font-family:var(--font-display);font-size:clamp(17px,1.6vw,20px);font-weight:700}
.kz-zone__body{margin-top:11px;font-size:13.5px;line-height:2;color:#6b7886;max-width:17em}
.kz-zone__cta{margin-top:22px}
.kz-zone__limits{margin-top:18px;font-size:11.5px;line-height:1.9;color:#6b7886}
.kz-slim{flex:1 1 236px;min-width:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-15);background:#FCFDFE;padding:20px}
.kz-slim__hd{display:flex;align-items:center;gap:10px}
.kz-slim__hd span{font-family:var(--font-display);font-size:13px;font-weight:700}
.kz-slim__body{margin-top:12px;font-size:12.5px;line-height:2;color:#6b7886}
.kz-slim__btn{margin-top:16px;align-self:flex-start}
.kz-slim__dl{margin-top:auto;padding-top:20px;display:grid;gap:7px;font-size:11.5px}
.kz-slim__dl dt{display:inline;color:var(--mute)}
.kz-slim__dl dd{display:inline;margin:0;color:var(--ink2)}
.kz-slim__dl dd.kz-num{color:var(--blue-d);font-weight:700;font-variant-numeric:tabular-nums}
.kz-panel{flex:2 1 560px;min-width:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-15);overflow:hidden}
.kz-panel__body{display:flex;flex-direction:column;flex:1;min-width:0}

/* ===== tabs ===== */
.kz-tabs{display:flex;align-items:center;gap:6px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--bg)}
.kz-tab{font-family:var(--font-display);font-size:12.5px;font-weight:500;color:var(--ink2);background:transparent;border:0;border-radius:var(--r-8);padding:9px 16px;cursor:pointer;transition:background .15s,color .15s}
.kz-tab[aria-selected=true]{font-weight:700;color:var(--blue-d);background:#e6f0fc}
.kz-tabs__note{margin-left:auto;font-size:11.5px;color:#6b7886}
.kz-tabs__mnote{display:none}

/* ===== panel: empty / file head ===== */
.kz-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:clamp(40px,6vw,86px) 24px}
.kz-empty p{margin-top:16px;font-size:13.5px;line-height:2;color:#6b7886;max-width:20em}
.kz-fhead{padding:16px 20px;border-bottom:1px solid var(--line)}
.kz-fhead__row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.kz-fhead__name{font-family:var(--font-display);font-size:14px;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kz-fhead__meta{font-size:11.5px;color:var(--mute);white-space:nowrap}
.kz-fhead__box{min-width:0;flex:1;display:contents}
.kz-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:10.5px;letter-spacing:.12em;font-weight:700;white-space:nowrap}
.kz-live i{width:6px;height:6px;border-radius:50%;background:currentColor}
.kz-live[data-live=on] i{animation:kzi-live 2.2s ease-in-out infinite}

/* ===== notice bands ===== */
.kz-band{margin:16px 20px 0;border:1px solid #F3D2CE;border-radius:var(--r-10);background:#FDF4F3;padding:14px 16px}
.kz-band__row{display:flex;align-items:flex-start;gap:10px}
.kz-band__icon{color:#E0564B;flex:none;margin-top:1px}
.kz-band__title{font-family:var(--font-display);font-size:13px;font-weight:700;color:#E0564B;line-height:1.7}
.kz-band__body{margin-top:7px;font-size:12.5px;line-height:2;color:var(--ink2);max-width:36em}
.kz-band__code{margin-top:6px;font-size:11px;font-family:var(--font-mono);color:var(--mute)}
.kz-band[data-tone=caution]{border-color:#EADFC9;background:#FBF7F0}
.kz-band[data-tone=caution] .kz-band__icon,.kz-band[data-tone=caution] .kz-band__title{color:#A56316}
.kz-band[data-tone=neutral]{border-color:var(--line);background:var(--bg)}
.kz-band[data-tone=neutral] .kz-band__icon,.kz-band[data-tone=neutral] .kz-band__title{color:#6b7886}
.kz-desktop-note{margin:14px 20px 0;padding-left:18px;border-left:2px solid var(--blue);font-size:12.5px;line-height:2;color:var(--ink2);max-width:38em}
.kz-inline-link{border-bottom:1px solid var(--line)}

/* ===== progress ===== */
.kz-prog{margin:16px 20px 0;padding:16px 0 0;border-top:1px solid var(--line)}
.kz-prog__row{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px}
.kz-prog__label{font-size:11px;letter-spacing:.16em;color:var(--mute)}
.kz-prog__count{font-family:var(--font-display);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.kz-prog__note{margin-left:auto;font-size:11.5px;color:#6b7886}
.kz-track{margin-top:11px;height:2px;border-radius:2px;background:#EDF1F5;position:relative;overflow:hidden}
.kz-track i{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--blue);border-radius:2px;display:block;transition:width .2s}
.kz-track i.is-sweep{width:34%;animation:kzi-sweep 1.15s ease-in-out infinite;transition:none}

/* ===== buttons ===== */
.kz-btn{font-family:var(--font-display);font-size:13.5px;font-weight:500;color:var(--ink2);background:#fff;border:1px solid #cdd6e2;border-radius:var(--r-9);padding:13px 20px;cursor:pointer;transition:border-color .15s,color .15s,background .15s,transform .15s,box-shadow .15s}
.kz-btn:hover{border-color:var(--blue);color:var(--blue)}
.kz-btn--primary{font-weight:700;color:#fff;background:var(--blue);border:0;padding:13px 26px;box-shadow:0 6px 16px rgba(43,111,214,.28)}
.kz-btn--primary:hover{background:var(--blue-d);color:#fff;transform:translateY(-1px)}
.kz-btn--primary:active{transform:none}
.kz-btn--lg{font-size:14px;font-weight:700;color:#fff;background:var(--blue);border:0;padding:15px 34px;box-shadow:0 6px 16px rgba(43,111,214,.28)}
.kz-btn--lg:hover{background:var(--blue-d);color:#fff;transform:translateY(-1px)}
.kz-btn--sm{font-size:13px;padding:12px 18px}
.kz-btn--icon{display:inline-flex;align-items:center;gap:7px;padding:13px 18px}
.kz-btn--cancel:hover{border-color:#E0564B;color:#E0564B}
.kz-btn[disabled],.kz-btn[aria-disabled=true]{opacity:.45;cursor:default}
.kz-btn--primary[disabled]:hover,.kz-btn--primary[aria-disabled=true]:hover{background:var(--blue);transform:none}
.kz-btn[disabled]:hover,.kz-btn[aria-disabled=true]:hover{border-color:#cdd6e2;color:var(--ink2)}
.kz-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px 20px 20px}
.kz-actions__note{margin-left:auto;font-size:11.5px;color:#6b7886}

/* ===== chips ===== */
.kz-chiprow{display:flex;gap:4px}
.kz-chip{font-size:11.5px;font-weight:500;color:var(--ink2);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;background:transparent;cursor:pointer;font-family:var(--font-body);transition:border-color .15s,color .15s,background .15s}
.kz-chip[aria-pressed=true],.kz-chip.is-on{font-weight:700;color:var(--blue-d);background:#e6f0fc;border-width:0}
.kz-field{display:inline-flex;align-items:center;font-size:13px;color:var(--ink);border:1px solid #cdd6e2;border-radius:var(--r-8);padding:11px 12px;background:#fff;font-family:var(--font-body);min-width:0}

/* ===== filename encoding row / password row ===== */
.kz-enc{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:14px 20px;border-bottom:1px solid #F1F3F6}
.kz-enc__label{font-size:11.5px;font-weight:700;color:var(--ink2);white-space:nowrap}
.kz-enc__note{margin-left:auto;font-size:11.5px;color:#6b7886}
.kz-pw{margin:14px 20px 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}
.kz-pw__label{font-size:11.5px;font-weight:700;color:var(--ink2)}
.kz-pw input{flex:1 1 200px;min-width:0;font-size:13px;color:var(--ink);border:1px solid #cdd6e2;border-radius:var(--r-8);padding:11px 12px;background:#fff;font-family:var(--font-body)}
.kz-pw__go{font-family:var(--font-display);font-size:13px;font-weight:700;color:#fff;background:var(--blue);border:0;border-radius:var(--r-9);padding:12px 20px;cursor:pointer;transition:background .15s,transform .15s}
.kz-pw__go:hover{background:var(--blue-d);transform:translateY(-1px)}
.kz-pw__note{flex:1 1 100%;font-size:11.5px;line-height:1.9;color:#6b7886}

/* ===== list rows ===== */
.kz-list{flex:1;padding:0 20px;font-size:13.5px}
.kz-row{display:flex;align-items:center;gap:13px;padding:12px 0;border-top:1px solid #F1F3F6}
.kz-row:last-of-type{border-bottom:1px solid #F1F3F6}
.kz-row__name{flex:1;min-width:0;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kz-row__name--dim{color:var(--ink2);font-weight:400}
.kz-row__meta{color:var(--mute);font-size:11.5px;white-space:nowrap}
.kz-row__icon{color:var(--mute);flex:none}
.kz-more{padding:12px 0;font-size:11.5px;color:var(--mute)}
.kz-check{flex:none;font-size:inherit;color:inherit;width:16px;height:16px;border:1px solid #E3E8EF;border-radius:4px;background:var(--bg);display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer;transition:background .15s,border-color .15s}
.kz-check svg{opacity:0}
.kz-check[aria-checked=true]{border-color:var(--blue);background:var(--blue)}
.kz-check[aria-checked=true] svg{opacity:1}
.kz-check[aria-disabled=true]{cursor:default}
.kz-listbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:16px 20px 8px;font-size:11.5px;color:var(--mute)}
.kz-listbar__acts{margin-left:auto;display:flex;gap:14px}
.kz-listbar__acts a{color:#6b7886;border-bottom:1px solid var(--line)}
.kz-skel{flex:1;padding:18px 20px 0;font-size:13.5px}
.kz-skel__row{display:flex;align-items:center;gap:13px;padding:14px 0;border-top:1px solid #F1F3F6}
.kz-skel__row:last-child{border-bottom:1px solid #F1F3F6}
.kz-skel__box{flex:none;width:16px;height:16px;border-radius:4px;background:#F1F4F8}
.kz-skel__bar{flex:1;height:10px;border-radius:5px;background:#F1F4F8}
.kz-skel__meta{width:52px;height:10px;border-radius:5px;background:#F5F7FA}

/* ===== small notes inside panel ===== */
.kz-note{margin:14px 20px 0;font-size:11.5px;line-height:1.9;color:#6b7886}
.kz-tag{margin:14px 20px 0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:9px 12px;border-radius:var(--r-8);background:var(--tint);font-size:11.5px;color:var(--blue-d)}
.kz-tag b{font-weight:700}
.kz-tag--ok{background:#F2FAF6;color:#137A52}
.kz-tag__pair{display:contents}
.kz-tag__mono{font-family:var(--font-mono);color:#9aa4b2}
.kz-tag__to{color:var(--line-strong)}
.kz-only-mobile{display:none}
.kz-tag__tail{margin-left:auto;color:#6b7886}
.kz-done{margin:16px 20px 0;padding:16px 0 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.kz-done--plain{margin-top:12px;padding-top:0;border-top:0}
.kz-ok{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--green)}
.kz-done__meta{font-size:11.5px;color:#6b7886}

/* ===== doc section ===== */
.kz-doc{border-top:1px solid var(--line);background:#FCFCFD;padding:clamp(52px,7vw,100px) var(--gutter) clamp(60px,8vw,110px)}
.kz-eyebrow{font-size:11px;letter-spacing:.2em;color:#6b7886;font-weight:700}
.kz-doc section{margin-top:clamp(38px,4.6vw,62px)}
.kz-doc section:first-of-type{margin-top:clamp(26px,3.2vw,38px)}
.kz-doc h2{font-family:var(--font-brand);font-size:clamp(18px,1.8vw,21px);font-weight:700;line-height:1.7}
.kz-doc p{margin-top:18px;font-size:14px;line-height:2.1;color:var(--ink2)}
.kz-doc .kz-doc__aside{padding-left:18px;border-left:2px solid var(--blue)}
.kz-steps{margin-top:22px;display:grid;gap:14px;font-size:14px}
.kz-steps li{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline}
.kz-steps b{font-family:var(--font-display);font-size:12px;font-weight:700;color:#fff;background:var(--blue);border-radius:50%;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(43,111,214,.28)}
.kz-steps span{line-height:2;color:var(--ink2)}
.kz-defs{margin-top:22px;font-size:14px}
.kz-defs>div{display:grid;grid-template-columns:minmax(88px,auto) 1fr;gap:10px 24px;padding:15px 0;border-top:1px solid var(--line)}
.kz-defs--w96>div{grid-template-columns:minmax(96px,auto) 1fr}
.kz-defs--w104>div{grid-template-columns:minmax(104px,auto) 1fr}
.kz-defs--w120>div{grid-template-columns:minmax(120px,auto) 1fr}
.kz-defs>div:last-child{border-bottom:1px solid var(--line)}
.kz-defs dt{font-family:var(--font-display);font-weight:700}
.kz-defs dd{line-height:2;color:var(--ink2)}
.kz-defs dt.kz-dim{color:#6b7886}
.kz-verified{color:var(--green);font-weight:700}
.kz-checked{color:var(--blue);font-weight:700}
.kz-unverified{color:#6b7886;font-weight:700}
.kz-doc__foot{margin-top:16px;font-size:12.5px;line-height:2;color:#6b7886}
.kz-faq{margin-top:clamp(38px,4.6vw,62px);display:grid;gap:clamp(24px,3vw,34px)}
.kz-faq h3{font-size:14.5px;font-weight:700;line-height:1.9}
.kz-faq p{margin-top:8px;font-size:13.5px;line-height:2.1;color:var(--ink2)}

/* ===== footer ===== */
.kz-ft{border-top:1px solid var(--line);padding:clamp(26px,3.4vw,40px) var(--gutter)}
.kz-ft__row{max-width:1280px;margin:0 auto;display:flex;flex-wrap:wrap;gap:12px 30px;align-items:baseline;font-size:12.5px;color:#6b7886}
.kz-ft__mark{font-family:var(--font-brand);font-size:15px;font-weight:700;letter-spacing:var(--ls-wordmark);color:var(--ink)}
.kz-ft__mark span{color:var(--blue)}
.kz-ft__copy{margin-left:auto}
.kz-ft__links{display:contents}
.kz-ft__links a{display:inline-flex;align-items:center;min-height:44px}

/* ===== sticky bottom bar (mobile only) ===== */
.kz-bar{display:none}

/* ===== card hover (used by hub tiles) ===== */
.kz-card{border:1px solid var(--line);border-radius:var(--r-15);background:#fff;transition:transform .15s,box-shadow .15s,border-color .15s}
.kz-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(20,40,80,.09);border-color:#bcd2f3}

/* =========================================================
   ≤720px — 単列化（-Mobile 設計）
   ========================================================= */
@media (max-width:720px){
  :root{--gutter:clamp(14px,4vw,18px)}
  .kz-page{max-width:480px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  .kz-main{padding-bottom:0}
  .kz-main.has-bar{padding-bottom:12px}

  .kz-hd{display:block;padding:0;min-height:0}
  .kz-hd__bar{display:flex;align-items:center;gap:10px;min-height:52px;padding:0 var(--gutter)}
  .kz-hd__mark{gap:8px;min-height:44px;font-size:16px}
  .kz-hd__logo{width:22px;height:22px}
  .kz-hd__sep,.kz-hd__kicker,.kz-hd__nav{display:none}
  .kz-hd__label{display:inline;font-size:12px;color:#6b7886}
  .kz-hd__navbtn{display:inline-flex;margin-left:auto;min-height:44px;min-width:60px;align-items:center;justify-content:center;gap:7px;font-family:var(--font-display);font-size:12.5px;font-weight:700;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:var(--r-8);cursor:pointer;transition:color .15s,background .15s,border-color .15s}
  .kz-hd__navbtn[aria-expanded=true]{color:var(--blue-d);background:#e6f0fc;border-color:#bcd2f3}
  .kz-hd__navbtn i{font-size:11px;font-style:normal}
  .kz-navpanel{display:block;border-top:1px solid var(--line);background:var(--bg);padding:6px var(--gutter) 12px}
  .kz-navpanel[hidden]{display:none!important}
  .kz-navpanel__list{display:flex;flex-direction:column}
  .kz-navpanel__list a{display:flex;align-items:center;min-height:44px;font-size:13.5px;border-bottom:1px solid var(--line)}
  .kz-navpanel__list a[aria-current=page]{color:var(--ink);font-weight:700}
  .kz-navpanel p{margin-top:12px;font-size:12px;line-height:1.9;color:#6b7886}

  .kz-intro{padding:12px var(--gutter) 0}
  .kz-crumb{gap:7px;font-size:12px}
  .kz-crumb a{display:inline-flex;align-items:center;min-height:44px}
  .kz-head{margin-top:0;display:block}
  .kz-h1{margin-top:2px;font-size:19px;line-height:1.65}
  .kz-lede{margin-top:8px}
  .kz-lede-en{display:none}

  .kz-wb{padding:0 0 clamp(24px,7vw,32px)}
  .kz-wb__row{display:flex;flex-direction:column}
  .kz-panel{display:contents}
  .kz-zone{order:0;border-radius:var(--r-15);padding:28px 18px;margin:12px var(--gutter) 0}
  .kz-zone svg{width:34px;height:34px}
  .kz-zone__title{margin-top:14px;font-size:16px}
  .kz-zone__body{margin-top:9px;font-size:12.5px;line-height:1.95}
  .kz-zone__cta{margin-top:16px;width:100%}
  .kz-zone__limits{margin-top:14px;font-size:12px}
  .kz-slim{display:none}
  .kz-panel__body{order:1;margin:12px var(--gutter) 0;border:1px solid var(--line);border-radius:var(--r-15);overflow:hidden}

  .kz-tabs{order:-2;display:flex;gap:6px;padding:4px;margin:14px var(--gutter) 0;border:1px solid var(--line);border-radius:var(--r-10);background:var(--bg)}
  .kz-tab{flex:1;min-height:44px;font-size:13px;padding:0}
  .kz-tabs__note{display:none}
  .kz-tabs__mnote{order:-1;display:block;margin:9px var(--gutter) 0;font-size:12px;line-height:1.9;color:#6b7886}

  .kz-empty{padding:34px 18px}
  .kz-empty svg{width:26px;height:26px}
  .kz-empty p{margin-top:13px;font-size:12.5px;line-height:1.95}
  .kz-fhead{padding:14px}
  .kz-fhead__row{flex-wrap:nowrap;align-items:flex-start;gap:10px}
  .kz-fhead__box{display:block;min-width:0;flex:1}
  .kz-fhead svg.kz-fhead__icon{flex:none;margin-top:1px}
  .kz-fhead__name{font-size:14px;line-height:1.5;word-break:break-all;white-space:normal;overflow:visible}
  .kz-fhead__meta{margin-top:5px;display:block;font-size:12px;white-space:normal}
  .kz-live{margin-left:0;flex:none;font-size:11.5px;letter-spacing:.06em}

  .kz-band{margin:14px 14px 0;padding:13px 14px}
  .kz-band__row{gap:9px}
  .kz-band__body{margin-top:7px;line-height:1.95;max-width:none}
  .kz-band__code{margin-top:7px;font-size:11.5px}
  .kz-desktop-note{margin:14px 14px 0;padding-left:14px;font-size:12.5px;line-height:1.95;max-width:none}

  .kz-prog{margin:14px 14px 0;padding-top:14px}
  .kz-prog__row{display:block}
  .kz-prog__label{font-size:11.5px;letter-spacing:.12em}
  .kz-prog__nums{margin-top:6px;display:flex;align-items:baseline;gap:10px}
  .kz-prog__count{font-size:17px}
  .kz-prog__note{margin-left:auto;font-size:12px}
  .kz-track{margin-top:10px;height:3px}

  .kz-list{padding:0}
  .kz-row{min-height:52px;padding:8px 14px;gap:12px}
  .kz-row__name{font-size:13.5px}
  .kz-row__meta{flex:none;font-size:12px}
  .kz-row__icon{width:18px;height:18px}
  .kz-check{width:20px;height:20px}
  .kz-check svg{width:13px;height:13px}
  .kz-more{padding:12px 14px;font-size:12px}
  .kz-listbar{gap:10px;padding:14px 14px 8px;font-size:12px}
  .kz-listbar__label{flex:1;min-width:0}
  .kz-listbar__acts{margin-left:0;gap:10px}
  .kz-listbar__acts a{display:inline-flex;align-items:center;min-height:44px;font-size:12.5px;border-bottom:0}
  .kz-skel{padding:6px 14px 0}
  .kz-skel__row{gap:12px;padding:15px 0}
  .kz-skel__box{width:20px;height:20px}
  .kz-skel__meta{width:44px}

  .kz-enc{display:block;padding:13px 14px}
  .kz-enc__label{font-size:12px}
  .kz-enc .kz-chiprow{margin-top:9px;flex-wrap:wrap;gap:7px}
  .kz-enc .kz-chip{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;font-size:12.5px}
  .kz-enc .kz-chip.is-on{border-width:1px;border-color:#bcd2f3}
  .kz-enc__note{display:block;margin-left:0;margin-top:9px;font-size:12px;line-height:1.9}
  .kz-pw{display:block;margin:14px 14px 0}
  .kz-pw__label{display:block;font-size:12px}
  .kz-pw input{margin-top:8px;display:block;width:100%;min-height:48px;font-size:14px;padding:0 12px}
  .kz-pw__go{display:none}
  .kz-pw__note{margin-top:9px;font-size:12px}
  .kz-note{margin:14px 14px 0;font-size:12px}
  .kz-tag{display:block;margin:14px 14px 0;padding:11px 12px;font-size:12px}
  .kz-tag>b{display:block;font-size:12px;font-weight:700}
  .kz-tag__pair{display:flex;flex-direction:column;gap:5px;margin-top:8px;font-family:var(--font-mono);font-size:12px;word-break:break-all}
  .kz-tag__pair .kz-tag__mono:last-child{color:var(--ink)}
  .kz-tag__tail,.kz-tag__line{margin-left:0;margin-top:8px;display:block}
  .kz-only-mobile{display:inline}
  .kz-only-desktop{display:none}
  .kz-done{margin:14px 14px 0;padding-top:14px;display:block}
  .kz-done--plain{margin-top:12px;padding-top:0}
  .kz-ok{font-size:13px}
  .kz-done__meta{margin-top:6px;display:block;font-size:12px}

  .kz-actions{flex-direction:column;align-items:stretch;gap:9px;padding:14px}
  .kz-actions__note{margin-left:0;font-size:12px;line-height:1.9;order:9}
  .kz-actions .kz-btn{width:100%;min-height:48px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center}
  .kz-actions .kz-btn--bar{display:none}

  .kz-doc{margin-top:32px;padding:32px var(--gutter) 40px}
  .kz-doc section{margin-top:30px}
  .kz-doc section:first-of-type{margin-top:22px}
  .kz-doc h2{font-size:17px}
  .kz-doc p{margin-top:14px;font-size:13px;line-height:2.05}
  .kz-doc .kz-doc__aside{padding-left:14px}
  .kz-steps{margin-top:16px;display:flex;flex-direction:column;gap:14px;font-size:13px}
  .kz-steps li{gap:12px}
  .kz-defs{margin-top:16px;font-size:13px;display:flex;flex-direction:column}
  .kz-defs>div{display:block;padding:13px 0}
  .kz-defs dd{margin:5px 0 0;line-height:1.95}
  .kz-doc__foot{margin-top:14px;font-size:12px;line-height:1.95}
  .kz-faq{margin-top:30px;display:flex;flex-direction:column;gap:20px}
  .kz-faq h3{font-size:13.5px}
  .kz-faq p{margin-top:7px;font-size:13px;line-height:2.05}

  .kz-ft{padding:24px var(--gutter) 34px}
  .kz-ft.has-bar{padding-bottom:calc(34px + 76px)}
  .kz-ft__row{display:block}
  .kz-ft__mark{font-size:15px}
  .kz-ft__links{margin-top:6px;display:flex;flex-wrap:wrap;gap:0 20px;font-size:12.5px;color:#6b7886}
  .kz-ft__copy{margin:8px 0 0;font-size:12px;color:var(--mute)}

  .kz-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;justify-content:center;pointer-events:none}
  .kz-bar[hidden]{display:none!important}
  .kz-bar__inner{width:100%;max-width:480px;pointer-events:auto;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(20,40,80,.08);padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom))}
  .kz-bar__row{display:flex;align-items:center;gap:12px}
  .kz-bar__note{min-width:0;flex:1;font-size:12px;color:#6b7886;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .kz-bar__btn{flex:none;min-height:48px;padding:0 22px;font-family:var(--font-display);font-size:14px;font-weight:700;color:#fff;background:var(--blue);border:0;border-radius:var(--r-9);cursor:pointer;box-shadow:0 6px 16px rgba(43,111,214,.28)}
  .kz-bar__btn[data-variant=cancel]{color:var(--ink2);background:#fff;border:1px solid #cdd6e2;box-shadow:none}
  .kz-bar__btn[disabled]{opacity:.45}
}

/* ===== 効用 class（旧 style= 属性の逐語移送・CSP style-src で inline 属性を使わないため） ===== */
.u-ink2{color:var(--ink2)}
.u-ink{color:var(--ink)}
.u-mute{color:var(--mute)}
.u-blue{color:var(--blue)}
.u-blued{color:var(--blue-d)}
.u-green{color:var(--green)}
.u-c-faint{color:#C3CCD8}
.u-c-slate{color:#6b7886}
.u-c-mute{color:#8893A3}
.u-minw0{min-width:0}
.u-sprite{position:absolute;width:0;height:0;overflow:hidden}
.u-tnum{font-variant-numeric:tabular-nums}
.u-colfill{display:flex;flex-direction:column;flex:1}
.u-mw22{max-width:22em}
.u-mw20{max-width:20em}
.u-mw19{max-width:19em}
.u-mw16{max-width:16em}
.u-mw13{max-width:13em}
.u-row16{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.u-wrap12{flex-wrap:wrap;gap:12px}
.u-bg-blue{background:var(--blue)}
.u-bg-amber{background:#E3B15E}
.u-bg-gray{background:#DCE3EB}
.u-ink2-icon{color:var(--ink2);flex:none;margin-top:1px}
.u-note{margin-top:9px;font-size:12.5px;line-height:1.95;color:var(--ink2)}
.u-monoline{margin-top:9px;font-size:11.5px;font-family:var(--font-mono);color:var(--mute)}
.u-blockbtn{margin-top:16px;width:100%;min-height:48px;display:inline-flex;align-items:center;justify-content:center;text-align:center}
.u-subhead{margin-top:13px;font-family:var(--font-display);font-size:15px;font-weight:700;color:#6b7886}
.u-body125{font-size:12.5px;line-height:2}