.custni-help{width:min(940px,calc(100vw - 32px));height:min(780px,calc(100dvh - 32px));max-width:none;max-height:none;margin:auto;padding:0;border:0;border-radius:18px;background:#f7f8fa;color:#182235;box-shadow:0 32px 90px rgba(12,24,45,.28);font-family:"Noto Sans JP","Yu Gothic",Meiryo,system-ui,sans-serif}
.custni-help::backdrop{background:rgba(13,25,44,.62);backdrop-filter:blur(4px)}.custni-help__shell{height:100%;display:grid;grid-template-rows:auto auto auto 1fr;overflow:hidden}
.custni-help__header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:28px 32px 20px;background:#152238;color:#fff}.custni-help__eyebrow{display:block;margin-bottom:5px;color:#88a6ff;font-size:10px;font-weight:900;letter-spacing:.16em}.custni-help__header h2{margin:0;font-size:28px;line-height:1.3}.custni-help__header p{margin:5px 0 0;color:#b9c4d5;font-size:12px}
.custni-help__close{min-width:68px;min-height:40px;border:1px solid #526078;border-radius:8px;background:#24334c;color:#fff;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.custni-help__close:hover{background:#30415e}
.custni-help__tools{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:20px 32px 14px;background:#fff}.custni-help__search{position:relative;display:block}.custni-help__search:before{content:"⌕";position:absolute;left:15px;top:50%;transform:translateY(-52%);color:#637086;font-size:22px;pointer-events:none}
.custni-help__search input{width:100%;height:48px;padding:0 78px 0 44px;border:1px solid #ccd4df;border-radius:10px;background:#f9fafc;color:#182235;font:inherit;font-size:15px;outline:none}.custni-help__search input:focus{border-color:#3563e9;box-shadow:0 0 0 3px rgba(53,99,233,.16);background:#fff}
.custni-help__clear{position:absolute;right:9px;top:50%;transform:translateY(-50%);padding:6px 9px;border:0;border-radius:6px;background:transparent;color:#526078;font:inherit;font-size:11px;font-weight:800;cursor:pointer}.custni-help__clear:hover{background:#e9edf4}.custni-help__count{min-width:110px;margin:0;color:#697486;font-size:12px;text-align:right}
.custni-help__categories{display:flex;gap:7px;padding:0 32px 17px;overflow-x:auto;background:#fff;border-bottom:1px solid #dfe4ec;scrollbar-width:thin}.custni-help__categories button{flex:0 0 auto;min-height:34px;padding:0 13px;border:1px solid #d8dee8;border-radius:99px;background:#fff;color:#566174;font:inherit;font-size:11px;font-weight:800;cursor:pointer}.custni-help__categories button:hover{border-color:#9aace8;color:#244fc7}.custni-help__categories button[aria-pressed="true"]{border-color:#3563e9;background:#3563e9;color:#fff}
.custni-help__results{overflow-y:auto;padding:20px 32px 36px;scrollbar-gutter:stable}.custni-help__article{margin-bottom:10px;border:1px solid #dfe4ec;border-radius:11px;background:#fff;overflow:hidden}.custni-help__article[open]{border-color:#bdc9e9;box-shadow:0 7px 20px rgba(21,34,56,.06)}
.custni-help__article summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;padding:14px 18px;cursor:pointer;list-style:none}.custni-help__article summary::-webkit-details-marker{display:none}.custni-help__article summary:hover{background:#f8f9fc}.custni-help__article-title{display:grid;gap:2px}.custni-help__article-title small{color:#3563e9;font-size:9px;font-weight:900;letter-spacing:.09em}.custni-help__article-title strong{font-size:15px}.custni-help__chevron{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:#edf2ff;color:#3563e9;font-size:18px}
.custni-help__article-body{padding:0 56px 18px 18px}.custni-help__article-body p{margin:0;padding:9px 0;color:#5d687a;font-size:13px;line-height:1.85;border-top:1px solid #edf0f4}.custni-help__empty{padding:66px 24px;text-align:center;color:#6c7788}.custni-help__empty strong{display:block;margin-bottom:8px;color:#283449;font-size:17px}.custni-help__empty p{font-size:13px}
.custni-help__sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.custni-help button:focus-visible,.custni-help summary:focus-visible{outline:3px solid #7898ff;outline-offset:2px}
@media(max-width:640px){.custni-help{width:100vw;height:100dvh;border-radius:0}.custni-help__header{padding:20px 18px 16px}.custni-help__header h2{font-size:23px}.custni-help__tools{grid-template-columns:1fr;padding:15px 16px 10px}.custni-help__count{text-align:left;min-width:0}.custni-help__categories{padding:0 16px 13px}.custni-help__results{padding:14px 16px 28px}.custni-help__article summary{min-height:64px;padding:12px 14px}.custni-help__article-body{padding:0 14px 14px}.custni-help__search input{font-size:16px}.custni-help__close{min-width:60px}}
@media(prefers-reduced-motion:reduce){.custni-help::backdrop{backdrop-filter:none}}