.why-exist{padding:76px var(--pad-x);background:linear-gradient(180deg,var(--bg) 0,var(--bg-soft) 100%);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}.why-exist-inner{max-width:1020px;margin:0 auto}.why-exist h2{font-size:clamp(28px, 4.2vw, 48px);line-height:1.05;letter-spacing:-.02em;margin:10px 0 18px;max-width:18ch}.why-lead{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:62ch}.why-lead em{font-style:normal;color:var(--pink);font-weight:600}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.why-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}.why-card .why-num{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--pink);margin-bottom:8px}.why-card p{color:var(--ink-2);line-height:1.55;font-size:15px;margin:0}.why-card em{font-style:normal;font-weight:600;color:var(--ink)}.showcase{padding:84px var(--pad-x);max-width:var(--max-w);margin:0 auto}.showcase-wrap{display:grid;grid-template-columns:320px 1fr;gap:24px;margin-top:40px;align-items:start}.sc-tabs{display:flex;flex-direction:column;gap:8px}.sc-tab{display:flex;align-items:center;gap:13px;text-align:left;width:100%;padding:14px 16px;border-radius:14px;cursor:pointer;background:var(--bg-elev);border:1px solid var(--border);color:var(--ink);transition:transform var(--t-fast) var(--ease-out),border-color var(--t-fast),box-shadow var(--t-fast),background var(--t-fast)}.sc-tab:hover{transform:translateX(3px);border-color:var(--pink-lt)}.sc-tab.is-active{border-color:var(--pink);background:var(--pink-tint);box-shadow:0 6px 18px rgba(219,39,119,.12)}.sc-tab-ico{flex:0 0 38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--bg-soft);color:var(--ink-3);transition:background var(--t-fast),color var(--t-fast)}.sc-tab.is-active .sc-tab-ico{background:var(--pink);color:#fff}.sc-tab span:last-child{display:flex;flex-direction:column;line-height:1.2}.sc-tab b{font-size:14.5px;font-weight:700}.sc-tab small{font-size:12px;color:var(--ink-3);margin-top:2px}.sc-stage{background:var(--bg-elev);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-lg);padding:30px;min-height:360px;position:relative;overflow:hidden}.sc-panel{animation:scFade var(--t-base) var(--ease-out)}.sc-panel[hidden]{display:none}@keyframes scFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.sc-demo-lead{font-size:16px;line-height:1.55;color:var(--ink-2);max-width:54ch;margin:0 0 22px}.sc-ev{border-radius:7px;font-size:12px;font-weight:600;padding:5px 9px;color:#fff;line-height:1.2;overflow:hidden}.sc-ev-blue{background:var(--blue)}.sc-ev-pink{background:var(--pink)}.sc-ev-green{background:var(--green)}.sc-slots{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.sc-slot{padding:10px 16px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;background:var(--bg-soft);border:1.5px solid var(--border);color:var(--ink-3);transition:all var(--t-fast) var(--ease-out)}.sc-slot:hover{border-color:var(--pink-lt);color:var(--ink)}.sc-slot.is-on{background:var(--pink);border-color:var(--pink);color:#fff;box-shadow:0 4px 12px rgba(219,39,119,.25)}.sc-output{background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:16px 18px}.sc-output-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.sc-copy{font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;cursor:pointer;background:var(--bg-elev);border:1px solid var(--border);color:var(--pink);transition:all var(--t-fast)}.sc-copy:hover{border-color:var(--pink)}.sc-copy.is-done{background:var(--green);color:#fff;border-color:var(--green)}.sc-output-body{font-size:15.5px;line-height:1.5;color:var(--ink);margin:0;font-weight:500;min-height:1.5em}.sc-cal-toggles,.sc-stealth-pick,.sc-tz-pick{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.sc-chip,.sc-skin,.sc-zone{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;color:var(--ink-3);background:var(--bg-soft);border:1.5px solid var(--border);transition:all var(--t-fast) var(--ease-out)}.sc-chip i{width:10px;height:10px;border-radius:50%;background:currentColor;opacity:.5}.sc-chip-blue.is-on{color:#fff;background:var(--blue);border-color:var(--blue)}.sc-chip-pink.is-on{color:#fff;background:var(--pink);border-color:var(--pink)}.sc-chip.is-on i,.sc-skin.is-on,.sc-zone.is-on{opacity:1}.sc-skin.is-on,.sc-zone.is-on{color:#fff;background:var(--ink);border-color:var(--ink)}.sc-day{position:relative;height:230px;border:1px solid var(--border);border-radius:14px;background:repeating-linear-gradient(180deg,var(--bg-soft) 0 38px,var(--bg-elev) 38px 76px);overflow:hidden}.sc-day .sc-ev{position:absolute;left:12%;right:12%;display:flex;align-items:center}.sc-day .sc-ev[data-cal=acme]{left:8%;right:52%}.sc-day .sc-ev[data-cal=beta]{left:52%;right:8%}.sc-ev.is-clash{outline:2.5px solid var(--red);outline-offset:1px;box-shadow:0 0 0 4px var(--red-tint)}.sc-flag{display:flex;align-items:center;gap:9px;margin:16px 0 0;font-weight:600;font-size:14.5px;color:var(--red);background:var(--red-tint);padding:11px 15px;border-radius:11px}.sc-flag-dot{width:9px;height:9px;border-radius:50%;background:var(--red);flex:0 0 9px}.sc-switch{display:inline-flex;align-items:center;gap:11px;font-weight:600;font-size:15px;cursor:pointer;margin-bottom:22px;color:var(--ink)}.sc-switch input{position:absolute;opacity:0;width:1px;height:1px}.sc-switch-ui{width:46px;height:26px;border-radius:999px;background:var(--border);position:relative;transition:background var(--t-base) var(--ease-out);flex:0 0 46px}.sc-switch-ui::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:var(--shadow-sm);transition:transform var(--t-base) var(--ease-out)}.sc-switch input:checked+.sc-switch-ui{background:var(--pink)}.sc-switch input:checked+.sc-switch-ui::after{transform:translateX(20px)}.sc-switch input:focus-visible+.sc-switch-ui{outline:2px solid var(--pink);outline-offset:2px}.sc-twocal{display:grid;grid-template-columns:1fr 1fr;gap:14px}.sc-col{position:relative;height:200px;border:1px solid var(--border);border-radius:14px;background:var(--bg-soft);padding-top:30px;overflow:hidden}.sc-col-name{position:absolute;top:0;left:0;right:0;padding:8px 12px;font-size:12px;font-weight:700;color:var(--ink-3);background:var(--bg-elev);border-bottom:1px solid var(--border)}.sc-col .sc-ev{position:absolute;left:10%;right:10%;display:flex;align-items:center}.sc-ev-block{background:repeating-linear-gradient(45deg,var(--ink-4) 0 6px,var(--bg-soft) 6px 12px);color:var(--ink-2);border:1px dashed var(--ink-4)}.sc-tz-list{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:14px;overflow:hidden}.sc-tz-list li{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-bottom:1px solid var(--border-soft)}.sc-tz-list li:last-child{border-bottom:0}.sc-tz-name{font-weight:600;color:var(--ink)}.sc-tz-time{font-weight:700;color:var(--pink);font-variant-numeric:tabular-nums}.sc-capture{display:flex;flex-direction:column;gap:16px;align-items:flex-start}.sc-faketab{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--ink-3);background:var(--bg-soft);border:1px solid var(--border);border-radius:10px 10px 0 0;padding:10px 16px}.sc-faketab-dot{width:9px;height:9px;border-radius:50%;background:var(--amber)}.sc-capture-btn{align-self:flex-start;padding:11px 22px;border-radius:12px;font-weight:700;font-size:14.5px;cursor:pointer;background:var(--pink);color:#fff;border:0;box-shadow:0 6px 16px rgba(219,39,119,.28);transition:transform var(--t-fast),box-shadow var(--t-fast)}.sc-capture-btn:hover{transform:translateY(-2px)}.sc-capture-btn.is-done{background:var(--green);box-shadow:none;cursor:default;transform:none}.sc-capture-grid{display:flex;gap:10px;flex-wrap:wrap}.sc-capture-grid .sc-ev{padding:9px 16px}.sc-ev-pop{animation:scPop var(--t-base) var(--ease-out)}@keyframes scPop{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:none}}.sc-skinwin{border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-md);transition:border-color var(--t-base)}.sc-skinbar{padding:11px 16px;font-size:13px;font-weight:700;color:#fff;background:var(--ink-3);transition:background var(--t-base) var(--ease-out)}.sc-skinbody{position:relative;height:200px;background:var(--bg-elev);background-image:repeating-linear-gradient(180deg,var(--bg-soft) 0 33px,var(--bg-elev) 33px 66px)}.sc-skinbody .sc-ev{position:absolute;left:10%;right:10%;display:flex;align-items:center}.sc-ev-skin{background:var(--ink-3);transition:background var(--t-base) var(--ease-out)}.sc-skinwin[data-skin=mc] .sc-skinbar{background:var(--ink-3)}.sc-skinwin[data-skin=mc] .sc-ev-skin{background:var(--ink-3)}.sc-skinwin[data-skin=outlook] .sc-skinbar{background:#0078d4}.sc-skinwin[data-skin=outlook] .sc-ev-skin{background:#0f6cbd}.sc-skinwin[data-skin=google] .sc-skinbar{background:#fff;color:#3c4043;border-bottom:2px solid #1a73e8}.sc-skinwin[data-skin=google] .sc-ev-skin{background:#1a73e8}.sc-skinwin[data-skin=apple] .sc-skinbar{background:#ff3b30}.sc-skinwin[data-skin=apple] .sc-ev-skin{background:#ff453a}.sc-note{margin:16px 0 0;font-size:14px;color:var(--ink-3);font-weight:500}@media (max-width:880px){.showcase-wrap{grid-template-columns:1fr}.sc-tabs{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}.sc-tab{flex:0 0 auto;min-width:200px}.sc-tab:hover{transform:none}.why-grid{grid-template-columns:1fr}}@media (max-width:520px){.sc-stage{padding:20px}.sc-twocal{grid-template-columns:1fr}}