.htf-ai{--navy:#071a35;--blue:#2563eb;--sky:#60a5fa;--muted:#64748b;--line:#dbe7f5;--soft:#f8fbff;max-width:940px;margin:0 auto;padding:clamp(24px,5vw,48px);border:1px solid var(--line);border-radius:30px;background:linear-gradient(180deg,#fff,#f8fbff);box-shadow:0 20px 60px rgba(15,23,42,.10);color:#243650;font-family:inherit}.htf-ai__badge{display:inline-block;margin-bottom:10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em}.htf-ai h2{margin:0 0 12px;color:var(--navy);font-size:clamp(30px,5vw,46px)}.htf-ai__intro{margin:0 0 22px;color:#53657f;font-size:17px;line-height:1.6}.htf-ai textarea{box-sizing:border-box;width:100%;min-height:126px;padding:18px 20px;border:1px solid #cbd8ea;border-radius:18px;background:#fff;color:#17223b;font:inherit;font-size:16px;line-height:1.55;resize:vertical;outline:none}.htf-ai textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(37,99,235,.10)}.htf-ai__row{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-top:14px}.htf-ai__hint{font-size:12px;line-height:1.5;color:#6b7d95}.htf-ai__button{border:0;border-radius:14px;padding:14px 20px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;font:inherit;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(37,99,235,.22)}.htf-ai__button:disabled{opacity:.7}.htf-ai__button[aria-busy=true]{position:relative;color:transparent}.htf-ai__button[aria-busy=true]:after{content:'';position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:htfSpin .7s linear infinite}@keyframes htfSpin{to{transform:rotate(360deg)}}.htf-ai__status{min-height:22px;margin-top:15px;color:#475569;font-size:13px;font-weight:650}.htf-ai__result{margin-top:22px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.12);overflow:hidden}.htf-ai__result-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;background:linear-gradient(135deg,#071a35,#123b73);color:#fff}.htf-ai__provider{padding:7px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.10);color:#dbeafe;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.htf-ai__visual{padding:24px 24px 6px;background:linear-gradient(180deg,#f8fbff,#fff)}.htf-ai__visual-title{margin-bottom:14px;color:#0b1f3a;font-size:13px;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.htf-ai__diagram{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:16px;padding:18px;border:1px solid #dbe7f5;border-radius:18px;background:radial-gradient(circle at 50% 0,#eff6ff,#fff 72%);box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}.htf-ai__node{display:flex;flex:1;min-width:0;align-items:center;gap:10px;padding:12px 14px;border:1px solid #cfe0f5;border-radius:14px;background:#fff;box-shadow:0 8px 18px rgba(15,23,42,.05)}.htf-ai__node-icon,.htf-ai__visual-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#1d4ed8}.htf-ai__node-icon svg,.htf-ai__visual-icon svg{width:22px;height:22px}.htf-ai__node b{display:block;color:#0f172a;font-size:13px;line-height:1.25}.htf-ai__connector{color:#60a5fa;font-size:22px;font-weight:900}.htf-ai__visual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.htf-ai__visual-card{display:flex;gap:12px;min-height:106px;padding:16px;border:1px solid #dbe7f5;border-radius:16px;background:#fff;box-shadow:0 8px 20px rgba(15,23,42,.04)}.htf-ai__visual-card strong{display:block;color:#0f172a;font-size:14px}.htf-ai__visual-card small{display:block;margin-top:5px;color:#64748b;font-size:12px;line-height:1.45}.htf-ai__answer{padding:22px 24px}.htf-ai__quick{padding:18px 18px 16px;border:1px solid #bfdbfe;border-radius:16px;background:linear-gradient(135deg,#eff6ff,#f8fbff)}.htf-ai__quick>span{display:block;margin-bottom:7px;color:#1d4ed8;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.htf-ai__quick p{margin:0;color:#0f2f5f;font-size:17px;line-height:1.65}.htf-ai__section{padding:20px 2px 2px}.htf-ai__section h3{margin:0 0 11px;color:#0b1f3a;font-size:18px}.htf-ai__section p{margin:0;line-height:1.65}.htf-ai__section ul{margin:0;padding-left:22px}.htf-ai__section li{margin:8px 0;line-height:1.55}.htf-ai__section li::marker{color:#2563eb;font-weight:800}.htf-ai__steps{counter-reset:step;list-style:none!important;margin:0!important;padding:0!important}.htf-ai__steps li{display:grid;grid-template-columns:38px 1fr;gap:0 12px;margin:0 0 12px!important;padding:15px;border:1px solid #e2e8f0;border-radius:15px;background:#fbfdff}.htf-ai__steps li:before{counter-increment:step;content:counter(step);grid-row:1/3;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;font-weight:850;box-shadow:0 8px 16px rgba(37,99,235,.18)}.htf-ai__step-title{display:block;color:#0f172a;font-weight:800}.htf-ai__steps li>span:last-child{display:block;margin-top:3px;color:#52627a;line-height:1.5}.htf-ai__section--warn{margin-top:14px;padding:16px 18px;border:1px solid #fed7aa;border-radius:14px;background:#fff7ed}.htf-ai__section--warn h3{color:#9a3412}.htf-ai__section--help{margin-top:14px;padding:16px 18px;border:1px solid #dbe7f5;border-radius:14px;background:#f8fafc}.htf-ai__related{margin:6px 24px 22px;padding:18px;border:1px solid #e2e8f0;border-radius:16px;background:#f8fbff}.htf-ai__related h3{margin:0 0 12px;color:#0b1f3a;font-size:16px}.htf-ai__link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;margin:8px 0;border:1px solid #dbe7f5;border-radius:12px;background:#fff;color:#1d4ed8;text-decoration:none;font-weight:750}.htf-ai__link:after{content:'→'}.htf-ai__actions{display:flex;justify-content:flex-end;gap:10px;padding:0 24px 20px}.htf-ai__actions button{border:1px solid #cbd8ea;border-radius:12px;padding:9px 13px;background:#fff;color:#27405f;font:inherit;font-size:13px;font-weight:750;cursor:pointer}.htf-ai__actions button:hover{border-color:#93c5fd;background:#f8fbff}.htf-ai__disclaimer{margin:0;padding:16px 22px;border-top:1px solid #fed7aa;background:#fff7ed;color:#7c2d12;font-size:12.5px;line-height:1.65}.htf-ai__hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}@media(max-width:760px){.htf-ai{padding:22px 18px;border-radius:22px}.htf-ai__row{align-items:stretch;flex-direction:column}.htf-ai__button{width:100%}.htf-ai__result-head{align-items:flex-start;flex-direction:column}.htf-ai__diagram{flex-direction:column}.htf-ai__connector{transform:rotate(90deg)}.htf-ai__node{width:100%}.htf-ai__visual-grid{grid-template-columns:1fr}.htf-ai__actions{justify-content:stretch}.htf-ai__actions button{flex:1}}@media print{body *{visibility:hidden!important}.htf-ai__result,.htf-ai__result *{visibility:visible!important}.htf-ai__result{position:absolute;left:0;top:0;width:100%;box-shadow:none;border:0}.htf-ai__actions{display:none!important}}
/* v0.5 screenshot / mock visual system */
.htf-ai__shot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.htf-ai__shot{margin:0;border:1px solid #d8e4f2;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 12px 26px rgba(15,23,42,.07)}.htf-ai__shot img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#eef4fb}.htf-ai__shot figcaption{display:block;padding:13px 15px}.htf-ai__shot figcaption strong{display:block;color:#0b1f3a;font-size:14px}.htf-ai__shot figcaption span{display:block;margin-top:5px;color:#64748b;font-size:12px;line-height:1.45}.htf-ai__mock-shot{border:1px solid #d5e2f2;border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 16px 34px rgba(15,23,42,.07)}.htf-ai__mock-top{display:grid;grid-template-columns:38px 1fr 38px;align-items:center;padding:13px 16px;border-bottom:1px solid #e5edf7;background:linear-gradient(180deg,#f8fbff,#eff6ff)}.htf-ai__mock-top span,.htf-ai__mock-top i{width:10px;height:10px;border-radius:999px;background:#93c5fd}.htf-ai__mock-top i{justify-self:end;background:#dbeafe}.htf-ai__mock-top strong{text-align:center;color:#0b1f3a;font-size:13px}.htf-ai__mock-screen{padding:12px}.htf-ai__mock-row{display:grid;grid-template-columns:38px 1fr 30px;align-items:center;gap:11px;padding:13px 10px;border-bottom:1px solid #edf2f8}.htf-ai__mock-row:last-child{border-bottom:0}.htf-ai__mock-num{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:11px;background:#eaf2ff;color:#1d4ed8;font-weight:850}.htf-ai__mock-row b{display:block;color:#0f172a;font-size:14px}.htf-ai__mock-row small{display:block;margin-top:3px;color:#64748b;font-size:12px;line-height:1.4}.htf-ai__mock-row em{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;font-style:normal;font-weight:900}.htf-ai__mock-row em.is-ok{background:#dcfce7;color:#15803d}.htf-ai__mock-row em.is-check{background:#dbeafe;color:#1d4ed8}.htf-ai__mock-row em.is-warn{background:#ffedd5;color:#c2410c}.htf-ai__mock-caption{padding:11px 15px;border-top:1px solid #e5edf7;background:#fbfdff;color:#64748b;font-size:11px;line-height:1.45}@media(max-width:760px){.htf-ai__shot-grid{grid-template-columns:1fr}.htf-ai__shot img{aspect-ratio:4/3}.htf-ai__mock-row{grid-template-columns:34px 1fr 28px}}