.kh-help{--help-ink:#172335;--help-muted:#536174;--help-line:#dce3eb;color:var(--help-ink);background:#fff;font-size:16px;line-height:1.75}
.kh-help__inner{width:min(1200px,calc(100% - 64px));margin:auto;padding:64px 0 80px}
.kh-help__hero{max-width:880px;padding-bottom:32px}
.kh-help__eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:#2763ad;margin:0 0 14px}
.kh-help h1{font-size:clamp(32px,4vw,52px);line-height:1.16;font-weight:600;letter-spacing:-.035em;margin:0 0 20px;overflow-wrap:anywhere;text-wrap:balance}
.kh-help__lead{max-width:780px;font-size:18px;color:var(--help-muted);margin:0}
.kh-help__nav{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:34px;border-bottom:1px solid var(--help-line);margin-bottom:40px}
.kh-help__nav>a{border:1px solid var(--help-line);border-radius:28px;padding:10px 18px;font-size:14px;font-weight:600;line-height:1.5;text-decoration:none;color:var(--help-ink)}
.kh-help__nav>a[aria-current=page]{color:#fff;background:var(--help-ink);border-color:var(--help-ink)}
.kh-help__nav>a:hover{border-color:#2763ad}
.kh-help__layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:64px;align-items:start}
.kh-help__content,.kh-help__sidebar{min-width:0}
.kh-help h2{font-size:21px;line-height:1.4;font-weight:600;letter-spacing:-.015em;margin:0 0 14px;overflow-wrap:anywhere}
.kh-help__question{border-bottom:1px solid var(--help-line)}
.kh-help__question:first-child{border-top:1px solid var(--help-line)}
.kh-help__question summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;cursor:pointer;list-style:none}
.kh-help__question summary::-webkit-details-marker{display:none}
.kh-help__question summary h2,.kh-help__question summary h3{font-size:18px;line-height:1.4;font-weight:600;letter-spacing:-.015em;margin:0;overflow-wrap:anywhere}
.kh-help__question summary>span{flex-shrink:0;font-size:25px;line-height:1;color:#2763ad;transition:transform .15s}
.kh-help__question[open] summary>span{transform:rotate(45deg)}
.kh-help__answer{padding:0 32px 24px 0;color:var(--help-muted)}
.kh-help__answer p,.kh-help__chapter p{margin:0}
.kh-help__chapter{margin:0 0 30px;padding:0 0 30px;border-bottom:1px solid var(--help-line)}
.kh-help__chapter p{color:var(--help-muted)}
.kh-help__rights{font-size:13px;color:var(--help-muted);margin:28px 0 0}
.kh-help__sidebar{display:grid;gap:20px}
.kh-help__card{border:1px solid var(--help-line);border-radius:20px;padding:28px;background:#fff}
.kh-help__card--amazon{background:#f2f6fb;border-color:#e3ebf5}
.kh-help__badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;color:#2763ad;margin-bottom:14px}
.kh-help__card h2,.kh-help__prepare h2{font-size:20px}
.kh-help__card p{font-size:14px;color:var(--help-muted);margin:0 0 18px}
.kh-help__button{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:var(--help-ink);border-radius:10px;color:#fff!important;text-decoration:none;font-size:14px;font-weight:600;line-height:1.5}
.kh-help__button:hover{background:#245ba0}
.kh-help__card .kh-help__note,.kh-help__note{font-size:12px;line-height:1.65;color:var(--help-muted);margin:14px 0 0}
.kh-help__contacts{display:grid;gap:14px;margin:20px 0}
.kh-help__email{font-size:16px;font-weight:600;overflow-wrap:anywhere}
.kh-help__contact-link{font-size:14px;font-weight:600;display:inline-flex;gap:10px;align-items:center}
.kh-help__hero>.kh-help__contact-link{margin-top:16px;min-height:44px}
.kh-help__email,.kh-help__contact-link{color:#245ba0;text-decoration:underline;text-underline-offset:4px}
.kh-help__prepare{padding:8px 6px}
.kh-help__prepare ul{list-style:disc;padding-left:19px;margin:0;color:var(--help-muted);font-size:14px}
.kh-help__prepare li+li{margin-top:8px}
.kh-help__group-heading{margin:0 0 20px}.kh-help__group-heading p{margin:0;color:var(--help-muted);font-size:14px}.kh-help__group-heading--orders{margin-top:40px}
.kh-help__answer ol,.kh-warranty__steps{list-style:decimal;padding-left:23px;margin:0}.kh-help__answer li+li,.kh-warranty__steps li+li{margin-top:12px}.kh-help__safety{font-size:13px;color:var(--help-muted);background:#f5f7fa;padding:18px;border-radius:12px;margin-top:24px}
.kh-warranty__coverage{padding:28px;background:#f2f6fb;border-radius:20px;margin-bottom:32px}.kh-warranty__coverage h2{font-size:20px}.kh-warranty__periods{display:flex;flex-wrap:wrap;gap:24px 36px;margin:20px 0 0}.kh-warranty__periods>div{display:flex;flex-direction:column;gap:7px;min-width:0;flex:1 1 160px}.kh-warranty__periods dt{font-size:14px;color:var(--help-muted)}.kh-warranty__periods dd{margin:0;font-size:32px;line-height:1.25;font-weight:600;letter-spacing:-.025em}
.kh-warranty__terms p+p{margin-top:16px}.kh-warranty__steps{margin-bottom:24px;color:var(--help-muted)}
.kh-warranty__form-panel{padding:28px;border:1px solid var(--help-line);border-radius:20px;scroll-margin-top:120px}.kh-warranty__form-panel>p{font-size:14px;color:var(--help-muted);margin-bottom:24px}.kh-warranty__fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin-bottom:20px}.kh-warranty__fields>div{min-width:0}.kh-warranty__form label{display:block;font-size:14px;font-weight:600;margin:0 0 8px}.kh-warranty__form input:not([type=hidden]),.kh-warranty__form textarea{display:block;box-sizing:border-box;width:100%;min-width:0;max-width:100%;border:1px solid #bcc9d8;border-radius:8px;background:#fff;padding:12px;color:var(--help-ink);font:inherit;font-size:16px;line-height:1.5}.kh-warranty__form textarea{resize:vertical}.kh-warranty__form :is(input,textarea):focus-visible{outline:2px solid #2763ad;outline-offset:2px}.kh-warranty__form .kh-help__button{margin-top:22px;cursor:pointer;min-height:48px}.kh-warranty__result{padding:16px;background:#f2f6fb;margin-bottom:20px}.kh-warranty__form .kh-help__note a{text-decoration:underline;text-underline-offset:3px}
.kh-help a:focus-visible,.kh-help summary:focus-visible{outline:3px solid #2763ad;outline-offset:5px}
html[lang=ja] .kh-help h1,html[lang=ja] .kh-help h2{letter-spacing:0;line-height:1.5}
@media(max-width:1023px){.kh-help__layout{grid-template-columns:minmax(0,1fr) 310px;gap:32px}.kh-help__inner{width:calc(100% - 48px);padding:44px 0 56px}.kh-help__card{padding:22px}}
@media(max-width:749px){.kh-help__inner{width:calc(100% - 36px);padding:32px 0 44px}.kh-help__layout{grid-template-columns:1fr;gap:32px}.kh-help__hero{padding-bottom:24px}.kh-help__lead{font-size:16px}.kh-help__nav{gap:8px;padding-bottom:26px;margin-bottom:28px}.kh-help__nav>a{font-size:13px;padding:9px 13px}.kh-help__question summary{gap:16px;padding:20px 0}.kh-help__question summary h2{font-size:17px}.kh-help__answer{padding-right:0}.kh-help__chapter{padding-bottom:24px;margin-bottom:24px}.kh-help__card{padding:24px}.kh-help__prepare{padding:4px}.kh-help__rights{margin-top:24px}}
@media(prefers-reduced-motion:reduce){.kh-help__question summary>span{transition:none}}
@media(max-width:749px){.kh-help__question summary h3{font-size:17px}.kh-warranty__coverage,.kh-warranty__form-panel{padding:22px 18px}.kh-warranty__fields{grid-template-columns:1fr}.kh-warranty__periods{gap:22px}.kh-warranty__periods dd{font-size:28px}.kh-warranty__form .kh-help__button{width:100%}}