.tk{--ai: #4a6b84;--ai-tint: #eef2f5;--seiji: #5f8577;--seiji-tint: #eef3f0;--fuji: #7c7396;--fuji-tint: #f2eff5;--card: #ffffff;--numeral: rgba(35, 33, 30, .055)}.tk-hero{background:radial-gradient(120% 90% at 15% 0%,rgba(74,107,132,.09) 0%,transparent 55%),radial-gradient(110% 85% at 88% 12%,rgba(124,115,150,.09) 0%,transparent 55%),linear-gradient(170deg,var(--washi) 0%,var(--kinari) 60%);border-bottom:1px solid var(--hairline);padding-block:clamp(58px,9vw,104px) clamp(48px,8vw,88px);text-align:center}.tk-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 17px;border:1px solid var(--hairline);background:#ffffffb3;font-size:12px;letter-spacing:.12em;color:var(--sumi-mid);margin-bottom:30px}.tk-title{font-family:var(--serif);font-weight:300;font-size:clamp(29px,5vw,50px);line-height:1.5;letter-spacing:.1em;margin:0}.tk-title em{font-style:normal;background:linear-gradient(118deg,var(--ai) 0%,var(--seiji) 48%,var(--fuji) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.tk-lead{max-width:44em;margin:30px auto 0;color:var(--sumi-mid);line-height:2.15}.tk-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:42px}.tk-btn{display:inline-flex;align-items:center;gap:9px;padding:13px 28px;border:1px solid var(--sumi);font-size:13px;letter-spacing:.16em;color:var(--sumi);background:transparent;font-family:inherit;cursor:pointer;transition:background .25s ease,color .25s ease,border-color .25s ease}.tk-btn:hover{background:var(--sumi);color:var(--kinari)}.tk-btn--ghost{border-color:var(--hairline);color:var(--sumi-mid)}.tk-btn--ghost:hover{background:transparent;border-color:var(--sumi);color:var(--sumi)}.tk-section{padding-block:clamp(52px,8vw,92px);border-bottom:1px solid var(--hairline)}.tk-section--ai{background:linear-gradient(180deg,var(--ai-tint) 0%,var(--kinari) 100%)}.tk-section--seiji{background:linear-gradient(180deg,var(--seiji-tint) 0%,var(--kinari) 100%)}.tk-section--fuji{background:linear-gradient(180deg,var(--fuji-tint) 0%,var(--kinari) 100%)}.tk-eyebrow{font-size:11px;letter-spacing:.3em;text-transform:uppercase;margin:0 0 12px}.tk-h2{font-family:var(--serif);font-weight:300;font-size:clamp(22px,3.2vw,31px);letter-spacing:.12em;line-height:1.6;margin:0}.tk-section-lead{max-width:46em;margin:20px 0 0;color:var(--sumi-mid);line-height:2.1}.tk-section-head{margin-bottom:clamp(34px,5vw,54px)}.tk-section-head--center{text-align:center}.tk-section-head--center .tk-section-lead{margin-inline:auto}.tk-grid{display:grid;gap:clamp(14px,2vw,22px)}.tk-grid--3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.tk-grid--2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}.tk-grid--4{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}.tk-card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--hairline);padding:clamp(24px,3vw,32px);transition:border-color .3s ease,transform .3s ease}.tk-card:hover{border-color:var(--accent, var(--sumi-soft));transform:translateY(-3px)}.tk-card__icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--hairline);color:var(--accent, var(--ai));margin-bottom:22px}.tk-card__numeral{position:absolute;top:-6px;right:10px;font-size:68px;font-weight:500;letter-spacing:.02em;color:var(--numeral);pointer-events:none;user-select:none;line-height:1}.tk-card__title{font-family:var(--serif);font-weight:400;font-size:17px;letter-spacing:.08em;line-height:1.7;margin:0 0 12px;position:relative}.tk-card__text{font-size:13.5px;line-height:2.05;color:var(--sumi-mid);margin:0;position:relative}.tk-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:15px;border-top:1px solid var(--hairline-soft);font-size:11px;letter-spacing:.16em;color:var(--sumi-soft)}.tk-card__meta b{font-weight:400;color:var(--accent, var(--ai));letter-spacing:.1em}.tk-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:18px;position:relative}.tk-chips span{border:1px solid var(--hairline-soft);padding:5px 0;text-align:center;font-size:10px;letter-spacing:.1em;color:var(--sumi-soft)}.tk-chips span:last-child{border-color:var(--accent, var(--ai));color:var(--accent, var(--ai))}.tk-feature{background:var(--card);border:1px solid var(--hairline);padding:clamp(28px,4vw,48px);max-width:880px;margin-inline:auto}.tk-feature__head{display:flex;align-items:center;gap:18px;margin-bottom:24px}.tk-feature__badge{flex:0 0 auto;width:52px;height:52px;display:flex;align-items:center;justify-content:center;border:1px solid var(--fuji);color:var(--fuji);font-size:15px;letter-spacing:.08em}.tk-list{list-style:none;margin:16px 0 0;padding:0;font-size:13.5px;color:var(--sumi-mid);line-height:2.1}.tk-list li{display:flex;align-items:center;gap:10px}.tk-list li:before{content:"";width:4px;height:4px;background:var(--accent, var(--ai));flex:0 0 auto}.tk-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;background:#23211e80;backdrop-filter:blur(4px)}.tk-modal.is-open{display:flex}.tk-modal__panel{background:var(--kinari);border:1px solid var(--hairline);padding:clamp(26px,4vw,38px);max-width:440px;width:100%}.tk-modal__field{position:relative;margin:24px 0 28px}.tk-modal__field input{width:100%;padding:12px 92px 12px 13px;border:1px solid var(--hairline);background:#fff;font-family:inherit;font-size:12.5px;color:var(--sumi-mid)}.tk-modal__field input:focus{outline:none;border-color:var(--ai)}.tk-modal__copy{position:absolute;right:5px;top:5px;bottom:5px;padding:0 15px;border:1px solid var(--sumi);background:var(--sumi);color:var(--kinari);font-family:inherit;font-size:11px;letter-spacing:.14em;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .25s ease}.tk-modal__copy.is-done{background:var(--seiji);border-color:var(--seiji)}.tk-modal__actions{display:flex;justify-content:flex-end}@media(max-width:720px){.tk-actions .tk-btn{width:100%;justify-content:center}.tk-card__numeral{font-size:54px}}.tk-ico{width:15px;height:15px}.tk-ico-lg{width:19px;height:19px}