/* ============================================================
   kakin-system.css — 課金・サブスク系LP共通コンポーネント
   継続課金システム / サブスクシステム で共有。
   （keizoku-kakin-system.html の kz-* を正本として抽出）
   ============================================================ */

.lp[data-dir="b"] {
  --kz-ok:   #1f9d6b;   --kz-ok-soft:   rgba(31,157,107,.12);  --kz-ok-line:   rgba(31,157,107,.34);
  --kz-warn: #d98a1f;   --kz-warn-soft: rgba(217,138,31,.14);  --kz-warn-line: rgba(217,138,31,.36);
  --kz-err:  #d64545;   --kz-err-soft:  rgba(214,69,69,.12);   --kz-err-line:  rgba(214,69,69,.34);
  --kz-card: var(--bg-card);
}

/* ---------- breadcrumb / section-link (self-contained) ---------- */
.kz-bc { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; padding: 16px 0 2px; font-size: 12px; color: var(--text-2); }
.kz-bc a { color: var(--text-2); text-decoration: none; }
.kz-bc a:hover { color: var(--lp-acc); }
.kz-bc .sep { color: var(--text-3); }
.kz-bc [aria-current] { color: var(--text-0); font-weight: 600; }
.kz-sec-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 34px; }
.kz-sec-links a { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; color: var(--lp-acc); text-decoration: none; border: 1.4px solid color-mix(in oklab, var(--lp-acc) 26%, transparent); border-radius: 999px; padding: 10px 17px; background: var(--bg-card); transition: all .18s ease; }
.kz-sec-links a:hover { background: color-mix(in oklab, var(--lp-acc) 8%, transparent); border-color: color-mix(in oklab, var(--lp-acc) 55%, transparent); }
.kz-sec-links a i { font-size: 16px; }

/* ---------- shared status chips ---------- */
.kz-chip { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .02em; padding: 4px 9px; border-radius: 999px; white-space: nowrap; line-height: 1.4; }
.kz-chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.kz-chip.ok   { color: var(--kz-ok);   background: var(--kz-ok-soft);   border: 1px solid var(--kz-ok-line); }
.kz-chip.warn { color: var(--kz-warn); background: var(--kz-warn-soft); border: 1px solid var(--kz-warn-line); }
.kz-chip.err  { color: var(--kz-err);  background: var(--kz-err-soft);  border: 1px solid var(--kz-err-line); }
.kz-chip.acc  { color: var(--lp-acc);  background: color-mix(in oklab,var(--lp-acc) 10%,transparent); border: 1px solid color-mix(in oklab,var(--lp-acc) 30%,transparent); }
.kz-chip.mute { color: var(--text-2);  background: var(--bd-1); border: 1px solid var(--bd-2); }
.kz-chip.solid-ok  { color: #fff; background: var(--kz-ok); }
.kz-chip.solid-ok::before  { background: #fff; }

/* ============================================================ HERO ============================================================ */
.kz-hero { position: relative; overflow: clip; padding: clamp(40px,5vw,72px) 0 clamp(48px,6vw,84px);
  background:
    radial-gradient(ellipse 80% 70% at 80% -10%, color-mix(in oklab,var(--lp-acc) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0)); }
.kz-hero::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(0,80,232,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(0,80,232,.045) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 20%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 60% 20%, #000, transparent 78%); }
.kz-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.12fr; gap: clamp(32px,4vw,64px); align-items: center; }
.kz-eyebrow { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: .16em; color: var(--lp-acc);
  padding: 7px 14px; border-radius: 999px; background: color-mix(in oklab,var(--lp-acc) 8%,transparent); border: 1px solid color-mix(in oklab,var(--lp-acc) 24%,transparent); }
.kz-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lp-acc); box-shadow: 0 0 0 0 color-mix(in oklab,var(--lp-acc) 40%,transparent); animation: kzPulse 2.4s ease infinite; }
@keyframes kzPulse { 0%,100%{ box-shadow:0 0 0 0 color-mix(in oklab,var(--lp-acc) 42%,transparent);} 50%{ box-shadow:0 0 0 8px transparent; } }
.kz-hero h1 { font-size: clamp(30px,4.4vw,52px); line-height: 1.24; letter-spacing: -0.035em; font-weight: 800; margin: 20px 0 0; text-wrap: balance; }
.kz-hero h1 .em { color: var(--lp-acc); position: relative; }
.kz-hero h1 .em::after { content:""; position:absolute; left:-2%; right:-2%; bottom:.08em; height:.34em; background: color-mix(in oklab,var(--lp-acc) 16%,transparent); z-index:-1; border-radius:4px; }
.kz-hero-lead { font-size: clamp(14.5px,1.35vw,16px); line-height: 2; color: var(--text-1); max-width: 560px; margin: 22px 0 0; text-wrap: pretty; }
.kz-hero-lead b { color: var(--text-0); font-weight: 700; }
.kz-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.kz-btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-jp); font-size: 14.5px; font-weight: 800; padding: 14px 24px; border-radius: 12px; text-decoration: none; transition: all .18s ease; border: 1.5px solid transparent; }
.kz-btn .arr { transition: transform .2s ease; }
.kz-btn:hover .arr { transform: translateX(3px); }
.kz-btn.primary { background: var(--lp-acc); color: #fff; box-shadow: 0 16px 34px -14px color-mix(in oklab,var(--lp-acc) 80%,transparent); }
.kz-btn.primary:hover { background: var(--lp-acc-2); transform: translateY(-2px); }
.kz-btn.ghost { color: var(--lp-acc); border-color: color-mix(in oklab,var(--lp-acc) 34%,transparent); background: var(--bg-card); }
.kz-btn.ghost:hover { background: color-mix(in oklab,var(--lp-acc) 7%,transparent); border-color: color-mix(in oklab,var(--lp-acc) 55%,transparent); }
.kz-hero-trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; }
.kz-hero-trust span { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.kz-hero-trust i { color: var(--kz-ok); font-size: 16px; }

/* ---------- hero layered composite ---------- */
.kz-stage { position: relative; min-height: 540px; }
.kz-stage svg.kz-wires { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; overflow: visible; }
.kz-panel { background: var(--kz-card); border: 1px solid var(--bd-2); border-radius: 16px; box-shadow: 0 30px 60px -34px rgba(8,16,40,.5), 0 2px 6px -2px rgba(8,16,40,.12); }
.kz-float { position: absolute; z-index: 2; }
.kz-dash { position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%,-50%); width: min(92%, 460px); overflow: hidden; }
.kz-dash-bar { display: flex; align-items: center; gap: 9px; padding: 12px 15px; border-bottom: 1px solid var(--bd-1); background: var(--bg-card-2); }
.kz-dash-bar .brand { display: flex; align-items: baseline; gap: 1px; font-weight: 800; font-size: 13px; letter-spacing: -0.01em; margin-right: auto; }
.kz-dash-bar .brand .p { color: var(--text-0); }
.kz-dash-bar .brand .n { color: var(--lp-acc); }
.kz-dash-bar .tab { font-size: 10.5px; font-weight: 700; color: var(--text-2); padding: 4px 10px; border-radius: 999px; }
.kz-dash-bar .tab.on { color: var(--lp-acc); background: color-mix(in oklab,var(--lp-acc) 10%,transparent); }
.kz-dash-body { padding: 15px; }
.kz-dash-lab { display: flex; align-items: center; justify-content: space-between; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .12em; color: var(--text-3); margin: 0 0 9px; text-transform: uppercase; }
.kz-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 14px; }
.kz-kpi { padding: 11px 12px; background: var(--bg-0); border: 1px solid var(--bd-1); border-radius: 11px; }
.kz-kpi .l { font-size: 9px; color: var(--text-2); letter-spacing: .04em; font-family: var(--font-mono); }
.kz-kpi .v { font-size: 19px; font-weight: 800; letter-spacing: -0.02em; margin-top: 4px; line-height: 1; }
.kz-kpi .d { font-size: 9.5px; margin-top: 6px; font-family: var(--font-mono); font-weight: 700; color: var(--kz-ok); }
.kz-rows { display: flex; flex-direction: column; gap: 7px; }
.kz-row { display: flex; align-items: center; gap: 10px; padding: 9px 11px; background: var(--bg-0); border: 1px solid var(--bd-1); border-radius: 10px; }
.kz-row .av { width: 26px; height: 26px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 12px; font-weight: 800; color: #fff; background: var(--lp-acc-3); }
.kz-row .av.b { background: #8b7bd8; } .kz-row .av.c { background: var(--kz-warn); } .kz-row .av.d { background: var(--kz-ok); }
.kz-row .who { min-width: 0; margin-right: auto; }
.kz-row .who b { display: block; font-size: 11.5px; font-weight: 700; color: var(--text-0); letter-spacing: -0.01em; }
.kz-row .who span { font-size: 9.5px; color: var(--text-2); font-family: var(--font-mono); }
.kz-row .amt { font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--text-0); }
.kz-dash-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; padding-top: 13px; border-top: 1px solid var(--bd-1); }
.kz-tag { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; color: var(--text-2); padding: 4px 9px; border-radius: 7px; background: var(--bg-0); border: 1px solid var(--bd-2); }
.kz-tag i { font-size: 12px; color: var(--lp-acc); }
.kz-mini { padding: 12px 13px; width: 210px; }
.kz-mini .h { display: flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 800; color: var(--text-0); margin-bottom: 9px; }
.kz-mini .h i { font-size: 15px; }
.kz-mini .h .ic { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; font-size: 14px; flex: none; }
.kz-f-alert { top: 6%; right: 0; }
.kz-f-alert .ic { background: var(--kz-warn-soft); color: var(--kz-warn); }
.kz-f-alert p { margin: 0; font-size: 10.5px; line-height: 1.6; color: var(--text-1); }
.kz-f-alert .mono { font-family: var(--font-mono); color: var(--text-0); font-weight: 700; }
.kz-f-status { top: 30%; left: -2%; width: 180px; }
.kz-f-status .ic { background: color-mix(in oklab,var(--lp-acc) 12%,transparent); color: var(--lp-acc); }
.kz-f-status .stk { display: flex; flex-direction: column; gap: 6px; }
.kz-f-status .st { display: flex; align-items: center; justify-content: space-between; font-size: 10.5px; font-weight: 600; color: var(--text-1); }
.kz-f-mail { bottom: 5%; left: 3%; width: 196px; }
.kz-f-mail .ic { background: var(--kz-ok-soft); color: var(--kz-ok); }
.kz-f-mail .subj { font-size: 10.5px; font-weight: 700; color: var(--text-0); margin: 0 0 4px; }
.kz-f-mail .prev { font-size: 9.5px; color: var(--text-2); line-height: 1.55; margin: 0; }
.kz-f-perm { bottom: 12%; right: -1%; width: 184px; }
.kz-f-perm .ic { background: var(--kz-ok-soft); color: var(--kz-ok); }
.kz-perm-row { display: flex; align-items: center; justify-content: space-between; font-size: 10.5px; font-weight: 600; color: var(--text-1); padding: 4px 0; }
.kz-toggle { width: 30px; height: 17px; border-radius: 999px; background: var(--kz-ok); position: relative; flex: none; }
.kz-toggle::after { content: ""; position: absolute; top: 2px; right: 2px; width: 13px; height: 13px; border-radius: 50%; background: #fff; }
.kz-toggle.off { background: var(--bd-3); }
.kz-toggle.off::after { right: auto; left: 2px; }
@media (max-width: 1080px) {
  .kz-hero-inner { grid-template-columns: 1fr; }
  .kz-stage { min-height: 0; display: flex; flex-direction: column; gap: 14px; max-width: 480px; margin: 8px auto 0; }
  .kz-stage svg.kz-wires { display: none; }
  .kz-dash { position: static; transform: none; width: 100%; }
  .kz-float { position: static; width: 100% !important; }
  .kz-mini { width: 100% !important; }
}

/* ============================================================ problem cards ============================================================ */
.kz-prob-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; max-width: 1120px; margin: 0 auto; }
.kz-prob { position: relative; background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 22px 22px 20px; transition: border-color .2s ease, transform .2s ease; }
.kz-prob:hover { transform: translateY(-3px); border-color: var(--bd-3); }
.kz-prob .pic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 21px; margin-bottom: 13px; background: color-mix(in oklab,var(--lp-acc) 9%,transparent); color: var(--lp-acc); }
.kz-prob h3 { font-size: 15px; margin: 0 0 7px; line-height: 1.5; letter-spacing: -0.01em; }
.kz-prob p { margin: 0; font-size: 12.5px; line-height: 1.85; color: var(--text-2); text-wrap: pretty; }
.kz-prob.hot { border-color: var(--kz-warn-line); background: linear-gradient(180deg, var(--kz-warn-soft), transparent 60%); }
.kz-prob.hot .pic { background: var(--kz-warn-soft); color: var(--kz-warn); }
.kz-prob .flag { position: absolute; top: 16px; right: 16px; font-size: 15px; color: var(--kz-warn); }
@media (max-width: 940px) { .kz-prob-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .kz-prob-grid { grid-template-columns: 1fr; } }

/* ============================================================ 決済 vs 運用 comparison ============================================================ */
.kz-vs { display: grid; grid-template-columns: 1fr auto 1.35fr; gap: 22px; align-items: stretch; max-width: 1080px; margin: 0 auto; }
.kz-vs-col { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 18px; padding: 26px 24px; }
.kz-vs-col.plain { background: var(--bg-2); }
.kz-vs-col.rich { border-color: color-mix(in oklab,var(--lp-acc) 30%,transparent); box-shadow: 0 30px 64px -40px color-mix(in oklab,var(--lp-acc) 80%,transparent); background: linear-gradient(180deg, color-mix(in oklab,var(--lp-acc) 5%,var(--bg-card)), var(--bg-card)); }
.kz-vs-tag { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 800; font-family: var(--font-mono); letter-spacing: .06em; padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; }
.kz-vs-col.plain .kz-vs-tag { color: var(--text-2); background: var(--bd-1); }
.kz-vs-col.rich .kz-vs-tag { color: #fff; background: var(--lp-acc); }
.kz-vs-col h3 { font-size: 16px; margin: 0 0 4px; letter-spacing: -0.01em; }
.kz-vs-col .sub { font-size: 12px; color: var(--text-2); margin: 0 0 16px; }
.kz-vs-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.kz-vs-list.stack { flex-direction: column; }
.kz-vs-list li { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--text-1); background: var(--bg-0); border: 1px solid var(--bd-2); border-radius: 9px; padding: 8px 12px; }
.kz-vs-col.plain .kz-vs-list li { color: var(--text-2); }
.kz-vs-list li i { font-size: 15px; color: var(--lp-acc); flex: none; }
.kz-vs-col.rich .kz-vs-list li.key { border-color: color-mix(in oklab,var(--lp-acc) 32%,transparent); color: var(--text-0); background: color-mix(in oklab,var(--lp-acc) 6%,var(--bg-0)); }
.kz-vs-mid { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--text-3); }
.kz-vs-mid i { font-size: 30px; color: var(--lp-acc); }
.kz-vs-mid span { writing-mode: initial; font-size: 11px; font-weight: 800; font-family: var(--font-mono); letter-spacing: .1em; }
@media (max-width: 900px) { .kz-vs { grid-template-columns: 1fr; } .kz-vs-mid { flex-direction: row; padding: 6px 0; } .kz-vs-mid i { transform: rotate(90deg); } }

/* ============================================================ 連動フロー図 ============================================================ */
.kz-flow-wrap { max-width: 1120px; margin: 0 auto; }
.kz-flow-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 18px; margin-bottom: 30px; }
.kz-flow-legend span { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; color: var(--text-1); }
.kz-flow-legend .k { width: 11px; height: 11px; border-radius: 3px; }
.kz-flows { display: flex; flex-direction: column; gap: 14px; }
.kz-flow { display: grid; grid-template-columns: 132px 1fr; gap: 16px; align-items: center; background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 18px 20px; border-left: 4px solid var(--bd-3); }
.kz-flow.ok  { border-left-color: var(--kz-ok); }
.kz-flow.err { border-left-color: var(--kz-err); }
.kz-flow.stop{ border-left-color: var(--text-3); }
.kz-flow.pause{ border-left-color: var(--kz-warn); }
.kz-flow-head { display: flex; flex-direction: column; gap: 8px; }
.kz-flow-head .t { font-size: 14.5px; font-weight: 800; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
.kz-flow-head .t i { font-size: 19px; }
.kz-flow.ok .t i { color: var(--kz-ok); } .kz-flow.err .t i { color: var(--kz-err); }
.kz-flow.stop .t i { color: var(--text-3); } .kz-flow.pause .t i { color: var(--kz-warn); }
.kz-steps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.kz-step { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--text-1); background: var(--bg-0); border: 1px solid var(--bd-2); border-radius: 9px; padding: 8px 12px; white-space: nowrap; }
.kz-step i { font-size: 14px; color: var(--text-3); }
.kz-step.foundation { color: #fff; background: var(--lp-acc); border-color: transparent; }
.kz-step.s-ok   { color: var(--kz-ok);   border-color: var(--kz-ok-line);   background: var(--kz-ok-soft); }
.kz-step.s-ok i { color: var(--kz-ok); }
.kz-step.s-err  { color: var(--kz-err);  border-color: var(--kz-err-line);  background: var(--kz-err-soft); }
.kz-step.s-err i { color: var(--kz-err); }
.kz-step.s-warn { color: var(--kz-warn); border-color: var(--kz-warn-line); background: var(--kz-warn-soft); }
.kz-step.s-warn i { color: var(--kz-warn); }
.kz-arw { color: var(--text-3); font-size: 15px; flex: none; }
@media (max-width: 720px) { .kz-flow { grid-template-columns: 1fr; gap: 12px; } }

/* ============================================================ WHY — strength cards ============================================================ */
.kz-why-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; max-width: 1080px; margin: 0 auto; }
.kz-why { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 18px; padding: 26px 26px 22px; display: flex; flex-direction: column; transition: border-color .2s ease, transform .2s ease; }
.kz-why:hover { transform: translateY(-3px); border-color: color-mix(in oklab,var(--lp-acc) 30%,transparent); }
.kz-why-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.kz-why-ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; font-size: 23px; background: color-mix(in oklab,var(--lp-acc) 10%,transparent); color: var(--lp-acc); flex: none; }
.kz-badge { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 10px; font-weight: 800; letter-spacing: .06em; color: var(--lp-acc); background: color-mix(in oklab,var(--lp-acc) 9%,transparent); border: 1px solid color-mix(in oklab,var(--lp-acc) 26%,transparent); padding: 4px 10px; border-radius: 999px; }
.kz-why h3 { font-size: 17px; margin: 0 0 8px; letter-spacing: -0.01em; line-height: 1.45; }
.kz-why p { margin: 0 0 16px; font-size: 13px; line-height: 1.9; color: var(--text-2); text-wrap: pretty; }
.kz-why-fig { margin-top: auto; background: var(--bg-0); border: 1px solid var(--bd-1); border-radius: 12px; padding: 13px 14px; }
.kz-figrow { display: flex; align-items: center; gap: 9px; font-size: 11.5px; color: var(--text-1); font-weight: 600; }
.kz-figrow + .kz-figrow { margin-top: 9px; padding-top: 9px; border-top: 1px solid var(--bd-1); }
.kz-figrow i { font-size: 16px; color: var(--lp-acc); flex: none; }
.kz-figrow .amt { margin-left: auto; font-family: var(--font-mono); font-weight: 700; color: var(--text-0); }
.kz-figbar { height: 7px; border-radius: 999px; background: var(--bd-1); overflow: hidden; margin-top: 10px; }
.kz-figbar > i { display: block; height: 100%; border-radius: 999px; background: var(--lp-acc); }
@media (max-width: 820px) { .kz-why-grid { grid-template-columns: 1fr; } }

/* ============================================================ 課題→対策 2カラム ============================================================ */
.kz-fix { max-width: 1000px; margin: 0 auto; border: 1px solid var(--bd-2); border-radius: 18px; overflow: hidden; background: var(--bg-card); }
.kz-fix-head { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: center; background: var(--bg-card-2); border-bottom: 1px solid var(--bd-2); }
.kz-fix-head > div { padding: 15px 22px; font-size: 12px; font-weight: 800; letter-spacing: .04em; display: flex; align-items: center; gap: 8px; }
.kz-fix-head .hp { color: var(--kz-err); }
.kz-fix-head .hp i { color: var(--kz-err); font-size: 17px; }
.kz-fix-head .hs { color: var(--lp-acc); }
.kz-fix-head .hs i { color: var(--lp-acc); font-size: 17px; }
.kz-fix-head .mid { justify-content: center; color: var(--text-3); }
.kz-fix-row { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: center; }
.kz-fix-row + .kz-fix-row { border-top: 1px solid var(--bd-1); }
.kz-fix-row:nth-child(even) { background: color-mix(in oklab,var(--lp-acc) 2.5%,transparent); }
.kz-fix-row > div { padding: 14px 22px; font-size: 12.5px; line-height: 1.65; }
.kz-fix-row .prob { color: var(--text-2); display: flex; align-items: flex-start; gap: 9px; }
.kz-fix-row .prob i { color: var(--kz-err); font-size: 16px; flex: none; margin-top: 1px; }
.kz-fix-row .mid { display: flex; justify-content: center; color: var(--text-3); padding: 0; }
.kz-fix-row .mid i { font-size: 17px; }
.kz-fix-row .sol { color: var(--text-1); font-weight: 600; display: flex; align-items: flex-start; gap: 9px; }
.kz-fix-row .sol i { color: var(--kz-ok); font-size: 16px; flex: none; margin-top: 1px; }
@media (max-width: 720px) {
  .kz-fix-head { display: none; }
  .kz-fix-row { grid-template-columns: 1fr; }
  .kz-fix-row .mid { display: none; }
  .kz-fix-row .prob { border-bottom: 1px dashed var(--bd-2); }
  .kz-fix-row > div { padding: 12px 18px; }
}

/* ============================================================ 課金モデル / std vs custom ============================================================ */
.kz-model-split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; max-width: 1080px; margin: 0 auto; }
.kz-model-card { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 18px; padding: 24px 24px 22px; }
.kz-model-card.custom { border-color: color-mix(in oklab,var(--lp-acc) 26%,transparent); background: linear-gradient(180deg, color-mix(in oklab,var(--lp-acc) 5%,var(--bg-card)), var(--bg-card)); }
.kz-model-lab { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 800; margin-bottom: 16px; }
.kz-model-lab .badge { font-family: var(--font-mono); font-size: 10px; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; }
.kz-model-card.std .kz-model-lab .badge { color: var(--kz-ok); background: var(--kz-ok-soft); border: 1px solid var(--kz-ok-line); }
.kz-model-card.custom .kz-model-lab .badge { color: var(--lp-acc); background: color-mix(in oklab,var(--lp-acc) 10%,transparent); border: 1px solid color-mix(in oklab,var(--lp-acc) 28%,transparent); }
.kz-model-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kz-mtag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; color: var(--text-1); background: var(--bg-0); border: 1px solid var(--bd-2); border-radius: 999px; padding: 8px 14px; }
.kz-mtag i { font-size: 14px; color: var(--lp-acc); }
.kz-model-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--bd-2); }
.kz-model-flow .fl { font-size: 11.5px; font-weight: 700; color: var(--text-1); background: var(--bg-0); border: 1px solid var(--bd-2); border-radius: 8px; padding: 6px 11px; }
.kz-model-flow .fl.on { color: var(--lp-acc); border-color: color-mix(in oklab,var(--lp-acc) 30%,transparent); background: color-mix(in oklab,var(--lp-acc) 8%,transparent); }
@media (max-width: 820px) { .kz-model-split { grid-template-columns: 1fr; } }

/* ============================================================ Foundation layers ============================================================ */
.kz-layers { max-width: 940px; margin: 0 auto; display: flex; flex-direction: column; gap: 0; }
.kz-layer { border-radius: 18px; padding: 24px 26px; position: relative; z-index: 1; }
.kz-layer.upper { background: linear-gradient(180deg, color-mix(in oklab,var(--lp-acc) 8%,var(--bg-card)), var(--bg-card)); border: 1.5px solid color-mix(in oklab,var(--lp-acc) 30%,transparent); }
.kz-layer.base { background: var(--bg-2); border: 1px solid var(--bd-2); margin-top: -6px; padding-top: 30px; }
.kz-layer-lab { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 800; margin-bottom: 14px; }
.kz-layer-lab .n { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; padding: 4px 10px; border-radius: 999px; }
.kz-layer.upper .kz-layer-lab .n { color: var(--lp-acc); background: color-mix(in oklab,var(--lp-acc) 10%,transparent); border: 1px solid color-mix(in oklab,var(--lp-acc) 28%,transparent); }
.kz-layer.base .kz-layer-lab .n { color: var(--text-2); background: var(--bd-1); border: 1px solid var(--bd-2); }
.kz-layer-lab .sub { font-size: 11.5px; font-weight: 600; color: var(--text-2); margin-left: auto; }
.kz-layer-items { display: flex; flex-wrap: wrap; gap: 8px; }
.kz-litem { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; padding: 8px 13px; border-radius: 10px; }
.kz-layer.upper .kz-litem { color: var(--text-0); background: var(--bg-card); border: 1px solid color-mix(in oklab,var(--lp-acc) 22%,transparent); }
.kz-layer.upper .kz-litem i { color: var(--lp-acc); font-size: 15px; }
.kz-layer.base .kz-litem { color: var(--text-1); background: var(--bg-card); border: 1px solid var(--bd-2); }
.kz-layer.base .kz-litem i { color: var(--kz-ok); font-size: 15px; }
.kz-layer-join { display: flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 0 6px; color: var(--text-3); font-size: 11.5px; font-weight: 700; }
.kz-layer-join i { font-size: 18px; color: var(--lp-acc); }

/* ============================================================ usecases ============================================================ */
.kz-uc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; max-width: 1120px; margin: 0 auto; }
.kz-uc { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 22px 22px 20px; transition: border-color .2s ease, transform .2s ease; }
.kz-uc:hover { transform: translateY(-3px); border-color: color-mix(in oklab,var(--lp-acc) 28%,transparent); }
.kz-uc-top { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.kz-uc-ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-size: 20px; background: color-mix(in oklab,var(--lp-acc) 9%,transparent); color: var(--lp-acc); flex: none; }
.kz-uc-top h3 { font-size: 15px; margin: 0; letter-spacing: -0.01em; }
.kz-uc-scene { font-size: 12.5px; line-height: 1.8; color: var(--text-2); margin: 0 0 14px; text-wrap: pretty; }
.kz-uc-meta { display: flex; flex-direction: column; gap: 7px; padding-top: 13px; border-top: 1px solid var(--bd-1); }
.kz-uc-mrow { display: flex; align-items: center; gap: 8px; font-size: 11.5px; }
.kz-uc-mrow .lbl { color: var(--text-3); font-family: var(--font-mono); font-size: 10px; letter-spacing: .04em; width: 78px; flex: none; }
.kz-uc-mrow .val { color: var(--text-1); font-weight: 600; }
.kz-uc-mrow .val .on { color: var(--kz-ok); font-weight: 700; }
@media (max-width: 940px) { .kz-uc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .kz-uc-grid { grid-template-columns: 1fr; } }

/* ============================================================ FAQ ============================================================ */
.kz-faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.kz-faq details { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 14px; overflow: hidden; transition: border-color .2s ease; }
.kz-faq details[open] { border-color: color-mix(in oklab,var(--lp-acc) 34%,transparent); }
.kz-faq summary { display: flex; align-items: center; gap: 12px; cursor: pointer; list-style: none; padding: 18px 20px; font-size: 14.5px; font-weight: 700; }
.kz-faq summary::-webkit-details-marker { display: none; }
.kz-faq summary .q { font-family: var(--font-mono); color: var(--lp-acc); font-weight: 700; }
.kz-faq summary .chev { margin-left: auto; color: var(--text-3); transition: transform .25s ease; font-size: 20px; }
.kz-faq details[open] summary .chev { transform: rotate(180deg); }
.kz-faq-a { padding: 0 20px 20px 50px; font-size: 13.5px; color: var(--text-1); line-height: 1.9; text-wrap: pretty; }
.kz-faq-a strong { color: var(--lp-acc); }
.kz-faq-a a { color: var(--lp-acc); }

/* ============================================================ 追加コンポーネント（サブスクLP用） ============================================================ */
/* --- 定義ブロック（WHAT IS） --- */
.kz-def { max-width: 880px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 18px; padding: 30px 32px; }
.kz-def-lab { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--lp-acc); margin-bottom: 14px; }
.kz-def p { margin: 0; font-size: 14.5px; line-height: 2.05; color: var(--text-1); text-wrap: pretty; }
.kz-def p + p { margin-top: 16px; }
.kz-def p b { color: var(--text-0); font-weight: 700; }
@media (max-width: 620px) { .kz-def { padding: 24px 22px; } }

/* --- 比較表（管理する対象） --- */
.kz-ctable-wrap { max-width: 860px; margin: 0 auto; overflow-x: auto; border: 1px solid var(--bd-2); border-radius: 16px; background: var(--bg-card); }
.kz-ctable { width: 100%; border-collapse: collapse; min-width: 560px; }
.kz-ctable th, .kz-ctable td { padding: 13px 20px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--bd-1); }
.kz-ctable thead th { background: var(--bg-card-2); font-weight: 800; font-size: 12.5px; letter-spacing: .02em; color: var(--text-1); }
.kz-ctable thead th:nth-child(3) { color: var(--lp-acc); }
.kz-ctable tbody td:first-child { font-weight: 700; color: var(--text-0); }
.kz-ctable td:nth-child(2), .kz-ctable td:nth-child(3), .kz-ctable th:nth-child(2), .kz-ctable th:nth-child(3) { text-align: center; }
.kz-ctable td:nth-child(2), .kz-ctable td:nth-child(3) { font-family: var(--font-mono); font-weight: 700; }
.kz-ctable td:nth-child(3) { background: color-mix(in oklab,var(--lp-acc) 4%,transparent); }
.kz-ctable tbody tr:last-child td { border-bottom: none; }
.kz-ctable .ok { color: var(--kz-ok); font-size: 16px; }
.kz-ctable .no { color: var(--text-3); }
.kz-ctable .partial { color: var(--kz-warn); font-size: 11px; font-family: var(--font-jp); font-weight: 700; }
.kz-ctable .cond { color: var(--lp-acc); font-size: 11px; font-family: var(--font-jp); font-weight: 700; }
.kz-ctable-note { max-width: 860px; margin: 20px auto 0; font-size: 13.5px; line-height: 1.95; color: var(--text-1); text-wrap: pretty; }
.kz-ctable-note a { color: var(--lp-acc); font-weight: 700; }

/* --- ライフサイクル 6ステップ --- */
.kz-life { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; max-width: 1080px; margin: 0 auto; }
.kz-life-step { position: relative; background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 22px 22px 20px; transition: border-color .2s ease, transform .2s ease; }
.kz-life-step:hover { transform: translateY(-3px); border-color: color-mix(in oklab,var(--lp-acc) 28%,transparent); }
.kz-life-step .num { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-weight: 800; font-size: 12px; letter-spacing: .06em; color: var(--lp-acc); margin-bottom: 12px; }
.kz-life-step .num b { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 14px; color: #fff; background: var(--lp-acc); }
.kz-life-step .num i { font-size: 18px; }
.kz-life-step h3 { font-size: 15px; margin: 0 0 7px; letter-spacing: -0.01em; }
.kz-life-step p { margin: 0; font-size: 12.5px; line-height: 1.8; color: var(--text-2); text-wrap: pretty; }
@media (max-width: 900px) { .kz-life { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .kz-life { grid-template-columns: 1fr; } }

/* --- 会員管理カード（フィールド列挙） --- */
.kz-mcard-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; max-width: 1080px; margin: 0 auto; }
.kz-mcard { background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 22px 22px 20px; transition: border-color .2s ease, transform .2s ease; }
.kz-mcard:hover { transform: translateY(-3px); border-color: color-mix(in oklab,var(--lp-acc) 28%,transparent); }
.kz-mcard-top { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.kz-mcard-ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-size: 20px; background: color-mix(in oklab,var(--lp-acc) 9%,transparent); color: var(--lp-acc); flex: none; }
.kz-mcard-top h3 { font-size: 14.5px; margin: 0; letter-spacing: -0.01em; }
.kz-mcard ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; }
.kz-mcard li { font-size: 11.5px; font-weight: 600; color: var(--text-1); background: var(--bg-0); border: 1px solid var(--bd-2); border-radius: 8px; padding: 6px 10px; }
@media (max-width: 940px) { .kz-mcard-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .kz-mcard-grid { grid-template-columns: 1fr; } }

/* --- 関連ページ カード（説明つき） --- */
.kz-rel-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; max-width: 960px; margin: 0 auto; }
.kz-rel { display: flex; gap: 15px; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--bd-2); border-radius: 16px; padding: 20px 22px; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.kz-rel:hover { transform: translateY(-3px); border-color: color-mix(in oklab,var(--lp-acc) 32%,transparent); }
.kz-rel-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: color-mix(in oklab,var(--lp-acc) 9%,transparent); color: var(--lp-acc); flex: none; }
.kz-rel-tx b { display: flex; align-items: center; gap: 7px; font-size: 14.5px; color: var(--text-0); margin-bottom: 6px; letter-spacing: -0.01em; }
.kz-rel-tx b .arr { color: var(--lp-acc); transition: transform .2s ease; }
.kz-rel:hover .kz-rel-tx b .arr { transform: translateX(3px); }
.kz-rel-tx p { margin: 0; font-size: 12.5px; line-height: 1.75; color: var(--text-2); text-wrap: pretty; }
@media (max-width: 720px) { .kz-rel-grid { grid-template-columns: 1fr; } }