/* Nihoner public-interest and trust pages
 * A quiet editorial system shared by the homepage, institutional, About,
 * reviews and public-interest resources. Scoped under .nht-page.
 */
.nht-page {
  --nht-red:#bc002d;
  --nht-red-dark:#8f0022;
  --nht-red-soft:#fbecef;
  --nht-ink:#17171b;
  --nht-copy:#474750;
  --nht-muted:#6d6b73;
  --nht-line:#e8e2df;
  --nht-paper:#ffffff;
  --nht-warm:#f8f6f3;
  --nht-dark:#18171b;
  --nht-green:#176b4d;
  --nht-green-soft:#eaf5f0;
  --nht-blue:#315d89;
  --nht-blue-soft:#edf4fa;
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  color:var(--nht-ink);
  background:var(--nht-warm);
  font-family:Inter,"Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.nht-page *,.nht-page *::before,.nht-page *::after{box-sizing:border-box}
.nht-page a{color:inherit;text-decoration:none}
.nht-page img{max-width:100%;height:auto}
.nht-page button,.nht-page input,.nht-page select,.nht-page textarea{font:inherit}
.nht-page button{cursor:pointer}
.nht-page :focus-visible{outline:3px solid rgba(188,0,45,.3);outline-offset:3px}
.nht-shell{width:min(1180px,calc(100% - 44px));margin:0 auto}
.nht-shell-sm{width:min(820px,calc(100% - 44px));margin:0 auto}
.nht-section{padding:clamp(64px,8vw,108px) 0}
.nht-section-white{background:var(--nht-paper)}
.nht-section-dark{color:#fff;background:var(--nht-dark)}
.nht-section-red{color:#fff;background:var(--nht-red-dark)}
.nht-grid{display:grid;gap:24px}
.nht-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.nht-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.nht-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.nht-stack{display:grid;gap:16px}
.nht-jp{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif}
.nht-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.nht-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 28px;color:var(--nht-muted);font-size:13px;font-weight:650}
.nht-breadcrumbs a:hover{color:var(--nht-red)}
.nht-kicker{display:flex;align-items:center;gap:10px;margin:0 0 16px;color:var(--nht-red);font-size:.76rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.nht-kicker::before{content:"";width:28px;height:2px;border-radius:99px;background:currentColor}
.nht-title{max-width:900px;margin:0;font-size:clamp(2.65rem,6vw,5.7rem);font-weight:850;line-height:.98;letter-spacing:-.055em;text-wrap:balance}
.nht-title-md{font-size:clamp(2.25rem,4.4vw,4.25rem)}
.nht-title em{color:var(--nht-red);font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;font-style:normal;font-weight:700;letter-spacing:-.03em}
.nht-lead{max-width:700px;margin:25px 0 0;color:var(--nht-copy);font-size:clamp(1.06rem,1.7vw,1.28rem);line-height:1.72}
.nht-section-dark .nht-lead,.nht-section-red .nht-lead{color:rgba(255,255,255,.75)}
.nht-heading{max-width:780px;margin:0;font-size:clamp(2rem,3.8vw,3.65rem);font-weight:840;line-height:1.06;letter-spacing:-.045em;text-wrap:balance}
.nht-heading-sm{font-size:clamp(1.55rem,2.5vw,2.35rem)}
.nht-copy{color:var(--nht-copy)}
.nht-muted{color:var(--nht-muted)}
.nht-eyebrow{color:var(--nht-red);font-size:.76rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.nht-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:32px}
.nht-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:13px 21px;border:1px solid transparent;border-radius:999px;font-size:.92rem;font-weight:800;line-height:1.2;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}
.nht-btn:hover{transform:translateY(-2px)}
.nht-btn-primary{color:#fff;background:var(--nht-red);box-shadow:0 12px 28px -16px rgba(188,0,45,.75)}
.nht-btn-primary:hover{color:#fff;background:var(--nht-red-dark)}
.nht-btn-secondary{color:var(--nht-ink);background:#fff;border-color:var(--nht-line)}
.nht-btn-secondary:hover{border-color:#cfc4c0;box-shadow:0 12px 26px -20px rgba(23,23,27,.5)}
.nht-btn-dark{color:#fff;background:var(--nht-dark)}
.nht-btn-dark:hover{color:#fff;background:#000}
.nht-btn-ghost{color:#fff;background:transparent;border-color:rgba(255,255,255,.35)}
.nht-btn-ghost:hover{color:#fff;border-color:#fff}

.nht-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 15%,rgba(188,0,45,.09),transparent 25rem),radial-gradient(circle at 7% 90%,rgba(188,0,45,.055),transparent 22rem),#fff;border-bottom:1px solid var(--nht-line)}
.nht-hero::after{content:attr(data-kanji);position:absolute;right:max(1vw,calc((100vw - 1420px)/2));top:-4.8rem;color:rgba(188,0,45,.026);font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:clamp(18rem,33vw,36rem);line-height:1;pointer-events:none}
.nht-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);gap:clamp(34px,7vw,90px);align-items:center;padding:clamp(70px,9vw,126px) 0 clamp(68px,8vw,108px)}
.nht-hero-panel{padding:26px;border:1px solid var(--nht-line);border-radius:28px;background:rgba(255,255,255,.82);box-shadow:0 28px 70px -48px rgba(23,23,27,.75);backdrop-filter:blur(14px)}
.nht-hero-note{display:flex;gap:13px;padding:16px 0;border-bottom:1px solid var(--nht-line)}
.nht-hero-note:last-child{padding-bottom:0;border-bottom:0}
.nht-hero-note:first-child{padding-top:0}
.nht-note-mark{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;color:var(--nht-red);background:var(--nht-red-soft);font-size:.78rem;font-weight:900}
.nht-hero-note strong{display:block;margin-bottom:2px;font-size:.92rem}
.nht-hero-note span{display:block;color:var(--nht-muted);font-size:.82rem;line-height:1.5}

.nht-statbar{background:#fff;border-bottom:1px solid var(--nht-line)}
.nht-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:25px 0}
.nht-stat{padding:8px 24px;border-right:1px solid var(--nht-line)}
.nht-stat:first-child{padding-left:0}
.nht-stat:last-child{border-right:0}
.nht-stat strong{display:block;font-size:clamp(1.35rem,2.3vw,2rem);line-height:1.2;letter-spacing:-.035em}
.nht-stat span{display:block;margin-top:4px;color:var(--nht-muted);font-size:.78rem;font-weight:700}

.nht-card{position:relative;padding:27px;border:1px solid var(--nht-line);border-radius:24px;background:#fff;box-shadow:0 22px 50px -42px rgba(23,23,27,.65)}
.nht-card-link{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.nht-card-link:hover{transform:translateY(-4px);border-color:#d6c8c8;box-shadow:0 26px 58px -38px rgba(23,23,27,.55)}
.nht-card-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:22px;border-radius:15px;color:var(--nht-red);background:var(--nht-red-soft);font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:1.3rem;font-weight:800}
.nht-card h2,.nht-card h3{margin:0 0 10px;font-size:1.18rem;font-weight:820;line-height:1.25;letter-spacing:-.02em}
.nht-card p{margin:0;color:var(--nht-copy);font-size:.91rem;line-height:1.65}
.nht-card .nht-link{display:inline-flex;align-items:center;gap:7px;margin-top:20px;color:var(--nht-red);font-size:.82rem;font-weight:850}
.nht-card .nht-link::after{content:"→";transition:transform .18s ease}
.nht-card-link:hover .nht-link::after{transform:translateX(3px)}
.nht-card-dark{color:#fff;background:var(--nht-dark);border-color:var(--nht-dark)}
.nht-card-dark p{color:rgba(255,255,255,.69)}
.nht-card-dark .nht-card-icon{color:#fff;background:rgba(255,255,255,.1)}
.nht-card-soft{background:#fbfaf8}
.nht-card-red{color:#fff;background:var(--nht-red-dark);border-color:var(--nht-red-dark)}
.nht-card-red p{color:rgba(255,255,255,.76)}

.nht-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;font-size:.7rem;font-weight:850;line-height:1.2;letter-spacing:.05em;text-transform:uppercase}
.nht-badge-live{color:var(--nht-green);background:var(--nht-green-soft)}
.nht-badge-pilot{color:var(--nht-blue);background:var(--nht-blue-soft)}
.nht-badge-planned{color:#755817;background:#fbf2d8}
.nht-badge-independent{color:var(--nht-red-dark);background:var(--nht-red-soft)}
.nht-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}

.nht-split{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:clamp(38px,7vw,92px);align-items:start}
.nht-list{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--nht-line)}
.nht-list li{display:grid;grid-template-columns:36px 1fr;gap:14px;padding:19px 0;border-bottom:1px solid var(--nht-line)}
.nht-list-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;color:var(--nht-red);background:var(--nht-red-soft);font-size:.75rem;font-weight:900}
.nht-list strong{display:block;margin-bottom:3px;font-size:.94rem}
.nht-list p{margin:0;color:var(--nht-copy);font-size:.86rem;line-height:1.6}
.nht-section-dark .nht-list{border-color:rgba(255,255,255,.16)}
.nht-section-dark .nht-list li{border-color:rgba(255,255,255,.16)}
.nht-section-dark .nht-list p{color:rgba(255,255,255,.68)}

.nht-callout{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding:clamp(30px,5vw,54px);border-radius:30px;color:#fff;background:linear-gradient(135deg,var(--nht-red-dark),#510014);box-shadow:0 34px 70px -48px rgba(81,0,20,.8)}
.nht-callout h2{margin:0;font-size:clamp(1.75rem,3.4vw,3.05rem);line-height:1.08;letter-spacing:-.04em}
.nht-callout p{max-width:700px;margin:12px 0 0;color:rgba(255,255,255,.76)}

.nht-table-wrap{overflow-x:auto;border:1px solid var(--nht-line);border-radius:22px;background:#fff}
.nht-table{width:100%;border-collapse:collapse;min-width:660px}
.nht-table th,.nht-table td{padding:17px 20px;border-bottom:1px solid var(--nht-line);text-align:left;vertical-align:top;font-size:.88rem}
.nht-table th{color:var(--nht-muted);background:#fbfaf8;font-size:.72rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.nht-table tr:last-child td{border-bottom:0}
.nht-table td:first-child{font-weight:780;color:var(--nht-ink)}

.nht-notice{padding:20px 22px;border:1px solid #ead9dd;border-left:4px solid var(--nht-red);border-radius:15px;background:#fffafb;color:var(--nht-copy);font-size:.88rem;line-height:1.65}
.nht-notice strong{color:var(--nht-ink)}
.nht-source{display:flex;align-items:flex-start;gap:12px;padding:15px 0;border-bottom:1px solid var(--nht-line)}
.nht-source:last-child{border-bottom:0}
.nht-source-mark{color:var(--nht-red);font-weight:900}
.nht-source a{font-weight:760;text-decoration:underline;text-underline-offset:3px}
.nht-source small{display:block;color:var(--nht-muted);margin-top:3px}

.nht-form{display:grid;gap:18px}
.nht-form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.nht-field{display:grid;gap:7px}
.nht-field label{font-size:.78rem;font-weight:820;color:var(--nht-ink)}
.nht-field input,.nht-field select,.nht-field textarea{width:100%;border:1px solid #d9d1ce;border-radius:14px;background:#fff;color:var(--nht-ink);padding:13px 14px;outline:none;transition:border-color .16s ease,box-shadow .16s ease}
.nht-field textarea{min-height:150px;resize:vertical;line-height:1.6}
.nht-field input:focus,.nht-field select:focus,.nht-field textarea:focus{border-color:var(--nht-red);box-shadow:0 0 0 4px rgba(188,0,45,.08)}
.nht-field-help{color:var(--nht-muted);font-size:.75rem}
.nht-alert{padding:14px 16px;border-radius:13px;font-size:.86rem;font-weight:700}
.nht-alert-success{color:var(--nht-green);background:var(--nht-green-soft)}
.nht-alert-error{color:var(--nht-red-dark);background:var(--nht-red-soft)}

.nht-tool{padding:clamp(24px,4vw,38px);border:1px solid var(--nht-line);border-radius:26px;background:#fff}
.nht-tool-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}
.nht-tool h2{margin:0;font-size:1.38rem;line-height:1.2;letter-spacing:-.025em}
.nht-tool p{color:var(--nht-copy)}
.nht-timer{display:grid;place-items:center;min-height:210px;border-radius:22px;color:#fff;background:radial-gradient(circle at 50% 35%,#34323a,#17171b 70%)}
.nht-timer-time{font-variant-numeric:tabular-nums;font-size:clamp(3.6rem,8vw,6.5rem);font-weight:850;line-height:1;letter-spacing:-.06em}
.nht-timer-label{margin-top:8px;color:rgba(255,255,255,.6);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.nht-tool-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.nht-tool-status{min-height:24px;margin-top:12px;color:var(--nht-muted);font-size:.82rem;font-weight:650}
.nht-checks{display:grid;gap:10px}
.nht-check{display:flex;align-items:flex-start;gap:11px;padding:14px;border:1px solid var(--nht-line);border-radius:14px;background:#fff}
.nht-check input{margin-top:4px;accent-color:var(--nht-red)}
.nht-check strong{display:block;font-size:.88rem}
.nht-check span{display:block;color:var(--nht-muted);font-size:.77rem;line-height:1.5}
.nht-audio{width:100%;margin-top:16px}

.nht-review{padding:25px;border:1px solid var(--nht-line);border-radius:22px;background:#fff}
.nht-review-stars{color:#a66a00;letter-spacing:.08em;font-size:.9rem}
.nht-review blockquote{margin:14px 0 20px;color:var(--nht-copy);font-size:.94rem;line-height:1.72}
.nht-review footer{display:flex;justify-content:space-between;gap:14px;color:var(--nht-muted);font-size:.76rem}
.nht-review footer strong{color:var(--nht-ink)}

.nht-faq{border-top:1px solid var(--nht-line)}
.nht-faq details{border-bottom:1px solid var(--nht-line)}
.nht-faq summary{position:relative;padding:20px 42px 20px 0;cursor:pointer;list-style:none;font-weight:790}
.nht-faq summary::-webkit-details-marker{display:none}
.nht-faq summary::after{content:"+";position:absolute;right:4px;top:17px;color:var(--nht-red);font-size:1.35rem;font-weight:500}
.nht-faq details[open] summary::after{content:"−"}
.nht-faq details p{max-width:760px;margin:0;padding:0 0 21px;color:var(--nht-copy);font-size:.9rem}

.nht-footnote{padding:28px 0;color:var(--nht-muted);font-size:.76rem;text-align:center}
.nht-footnote a{text-decoration:underline;text-underline-offset:3px}

@media (max-width:900px){
  .nht-hero-inner,.nht-split{grid-template-columns:1fr}
  .nht-hero-panel{max-width:680px}
  .nht-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nht-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nht-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nht-stat:nth-child(2){border-right:0}
  .nht-stat:nth-child(n+3){border-top:1px solid var(--nht-line);padding-top:19px;margin-top:10px}
  .nht-callout{grid-template-columns:1fr}
}
@media (max-width:620px){
  .nht-shell,.nht-shell-sm{width:min(100% - 28px,1180px)}
  .nht-section{padding:56px 0}
  .nht-title{font-size:clamp(2.45rem,14vw,4rem)}
  .nht-hero-inner{padding:56px 0 62px}
  .nht-hero::after{right:-4rem;top:1rem;font-size:19rem}
  .nht-grid-2,.nht-grid-3,.nht-grid-4,.nht-form-row{grid-template-columns:1fr}
  .nht-stats{grid-template-columns:1fr 1fr}
  .nht-stat{padding:8px 14px}
  .nht-stat:nth-child(odd){padding-left:0}
  .nht-card{padding:23px}
  .nht-actions,.nht-tool-actions{align-items:stretch}
  .nht-actions .nht-btn{width:100%}
  .nht-tool-actions .nht-btn{flex:1 1 45%}
  .nht-callout{padding:28px 23px}
  .nht-tool-head{display:grid}
}
@media (prefers-reduced-motion:reduce){
  .nht-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}