.swing-305-body .swing-305-page{--red:#c81724;--red-dark:#8c1420;--blue:#477b86;--blue-dark:#2c515a;--gold:#d8a43f;--ink:#2d3032;--muted:#62686b;--line:#dce1df;--soft:#f4f6f4;color:var(--ink);font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.9}.swing-305-body .swing-305-page *{box-sizing:border-box}.swing-305-body .swing-305-page a{color:#9d1722;text-underline-offset:3px}.swing-305-body .swing-305-page a:hover,.swing-305-body .swing-305-page a:focus-visible{color:#5f0d15}.swing-305-body .swing-305-page .pageTitle{margin:0 0 24px;padding:18px 22px;border-left:7px solid var(--red);background:linear-gradient(110deg,#fff,#f5f6f3);font-size:clamp(25px,3vw,38px);line-height:1.45}.swing-305-body .swing-305-hero{margin:0 0 28px;overflow:hidden;border:1px solid #dfe2df;border-radius:18px;background:#f5f3ee;box-shadow:0 14px 34px rgba(43,39,33,.11)}.swing-305-body .swing-305-hero img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.swing-305-body .swing-305-lead,.swing-305-body .swing-305-summary,.swing-305-body .swing-305-toc,.swing-305-body .swing-305-section,.swing-305-body .swing-305-related,.swing-305-body .swing-305-cta{margin:0 0 48px}.swing-305-body .swing-305-lead{padding:32px clamp(22px,4vw,42px);border:1px solid #eadbd3;border-radius:18px;background:linear-gradient(135deg,#fff,#fff7f1)}.swing-305-body .swing-305-eyebrow{margin:0 0 6px;color:var(--red-dark);font-size:13px;font-weight:900;letter-spacing:.14em}.swing-305-body .swing-305-lead h2,.swing-305-body .swing-305-cta h2{margin:0 0 18px;font-size:clamp(22px,2.4vw,30px);line-height:1.55}.swing-305-body .swing-305-lead p,.swing-305-body .swing-305-cta p{margin:0 0 12px}
.swing-305-body .swing-305-summary{padding:26px 30px;border-left:6px solid var(--blue);border-radius:10px;background:#edf5f5}.swing-305-body .swing-305-summary h2{margin:0 0 12px;color:var(--blue-dark);font-size:22px}.swing-305-body .swing-305-summary ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 22px;margin:0;padding:0;list-style:none}.swing-305-body .swing-305-summary li{position:relative;padding-left:1.55em}.swing-305-body .swing-305-summary li:before{position:absolute;left:0;color:var(--blue);content:"✓";font-weight:900}
.swing-305-body .swing-305-toc{padding:24px 28px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 7px 24px rgba(29,46,51,.07)}.swing-305-body .swing-305-toc>p{margin:0 0 10px;color:var(--red-dark);font-size:20px;font-weight:800}.swing-305-body .swing-305-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 28px;margin:0;padding-left:1.4em}.swing-305-body .swing-305-toc a{color:#273d44;font-weight:600}
.swing-305-body .swing-305-section{scroll-margin-top:24px}.swing-305-body .swing-305-section>h2,.swing-305-body .swing-305-related>h2{position:relative;margin:0 0 22px;padding:16px 18px 16px 24px;border-radius:0 12px 12px 0;background:#f2f4f2;font-size:clamp(22px,2.4vw,29px);line-height:1.55}.swing-305-body .swing-305-section>h2:before,.swing-305-body .swing-305-related>h2:before{position:absolute;inset:0 auto 0 0;width:7px;background:var(--red);content:""}.swing-305-body .swing-305-section>p{margin:0 0 18px}.swing-305-body .swing-305-section h3{line-height:1.55}
.swing-305-body .swing-305-role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:25px 0}.swing-305-body .swing-305-role-grid>section{position:relative;padding:24px 20px 21px;border:1px solid #dfe3df;border-radius:14px;background:#fff;box-shadow:0 7px 20px rgba(38,48,50,.06)}.swing-305-body .swing-305-role-grid span{display:inline-flex;min-width:38px;min-height:38px;align-items:center;justify-content:center;margin-bottom:11px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:900}.swing-305-body .swing-305-role-grid h3{margin:0 0 8px;color:var(--blue-dark);font-size:19px}.swing-305-body .swing-305-role-grid p{margin:0}
.swing-305-body .swing-305-note{margin:26px 0;padding:23px 25px;border:1px solid #e7c9bd;border-radius:14px;background:#fff7f2}.swing-305-body .swing-305-note h3{margin:0 0 8px;color:var(--red-dark);font-size:20px}.swing-305-body .swing-305-note p{margin:0}
.swing-305-body .swing-305-table-wrap{max-width:100%;margin:24px 0;overflow-x:auto;border:1px solid #d9dede;border-radius:13px;background:#fff;-webkit-overflow-scrolling:touch}.swing-305-body .swing-305-table{width:100%;min-width:760px;border-collapse:collapse;table-layout:fixed}.swing-305-body .swing-305-table th,.swing-305-body .swing-305-table td{padding:15px 16px;border-right:1px solid #e1e5e5;border-bottom:1px solid #e1e5e5;text-align:left;vertical-align:top}.swing-305-body .swing-305-table th{background:var(--blue-dark);color:#fff}.swing-305-body .swing-305-table th:first-child{width:18%}.swing-305-body .swing-305-table th:nth-child(2){width:27%}.swing-305-body .swing-305-table td:first-child{color:var(--red-dark);font-weight:800}.swing-305-body .swing-305-table tbody tr:nth-child(even) td{background:#f8f9f8}
.swing-305-body .swing-305-size-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}.swing-305-body .swing-305-size-grid>section{padding:25px;border:1px solid #d9e1df;border-radius:15px;background:#fff;box-shadow:0 7px 20px rgba(35,50,55,.05)}.swing-305-body .swing-305-size-label{display:inline-flex;align-items:center;justify-content:center;min-width:92px;margin:0 0 12px;padding:6px 16px;border-radius:999px;background:var(--red-dark);color:#fff;font-size:18px;font-weight:900}.swing-305-body .swing-305-size-grid h3{margin:0 0 9px;color:var(--blue-dark);font-size:20px}.swing-305-body .swing-305-size-grid p:last-child{margin:0}
.swing-305-body .swing-305-steps{display:grid;gap:16px;margin:24px 0}.swing-305-body .swing-305-steps>section{display:grid;grid-template-columns:100px minmax(0,1fr);gap:20px;padding:21px 23px;border:1px solid #dfe3e1;border-radius:14px;background:#fff}.swing-305-body .swing-305-steps span{display:inline-flex;height:38px;align-items:center;justify-content:center;border-radius:999px;background:var(--blue-dark);color:#fff;font-size:12px;font-weight:900}.swing-305-body .swing-305-steps h3{margin:0 0 6px;color:#263b41;font-size:19px}.swing-305-body .swing-305-steps p{grid-column:2;margin:0}.swing-305-body .swing-305-check-panel{margin:27px 0;padding:25px 27px;border-left:6px solid var(--gold);border-radius:10px;background:#fff9eb}.swing-305-body .swing-305-check-panel h3{margin:0 0 12px;color:#714d11;font-size:20px}.swing-305-body .swing-305-check-panel ul{margin:0;padding-left:1.4em}.swing-305-body .swing-305-check-panel li{margin:5px 0}
.swing-305-body .swing-305-formula{margin:24px 0;padding:22px 24px;border:2px solid #cddcdc;border-radius:14px;background:#f1f7f7;color:#24464e;text-align:center}.swing-305-body .swing-305-formula strong{font-size:clamp(17px,2vw,22px);line-height:1.7}.swing-305-body .swing-305-quantity-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.swing-305-body .swing-305-quantity-grid>section{padding:22px;border-radius:14px;background:#f6f4f0}.swing-305-body .swing-305-quantity-grid h3{margin:0 0 8px;color:var(--red-dark);font-size:18px}.swing-305-body .swing-305-quantity-grid p{margin:0}
.swing-305-body .swing-305-support-grid,.swing-305-body .swing-305-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.swing-305-body .swing-305-support-grid>a,.swing-305-body .swing-305-related-grid>a{display:flex;flex-direction:column;padding:22px;border:1px solid #d9e0df;border-radius:14px;background:#fff;color:#252525;text-decoration:none;box-shadow:0 6px 18px rgba(35,50,55,.05)}.swing-305-body .swing-305-support-grid>a:hover,.swing-305-body .swing-305-support-grid>a:focus-visible,.swing-305-body .swing-305-related-grid>a:hover,.swing-305-body .swing-305-related-grid>a:focus-visible{border-color:var(--red);background:#fff;color:#252525;box-shadow:0 10px 24px rgba(92,28,34,.12)}.swing-305-body .swing-305-support-grid span,.swing-305-body .swing-305-related-grid span{margin:0 0 6px;color:var(--red-dark);font-size:13px;font-weight:900}.swing-305-body .swing-305-support-grid strong,.swing-305-body .swing-305-related-grid strong{margin:0 0 7px;color:#223940;font-size:18px;line-height:1.55}.swing-305-body .swing-305-support-grid p{margin:0;color:#62676a}.swing-305-body .swing-305-parent-link{text-align:center}.swing-305-body .swing-305-parent-link a{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:11px 22px;border:2px solid var(--blue-dark);border-radius:999px;background:#fff;color:var(--blue-dark);font-weight:800;text-decoration:none}.swing-305-body .swing-305-parent-link a:hover,.swing-305-body .swing-305-parent-link a:focus-visible{background:var(--blue-dark);color:#fff}
.swing-305-body .swing-305-faq details{margin:0 0 13px;overflow:hidden;border:1px solid #dce1df;border-radius:12px;background:#fff}.swing-305-body .swing-305-faq summary{position:relative;padding:18px 54px 18px 22px;color:#253b42;cursor:pointer;font-weight:800;list-style:none}.swing-305-body .swing-305-faq summary:after{position:absolute;top:50%;right:22px;width:22px;height:22px;border-radius:50%;background:var(--blue-dark);color:#fff;content:"+";font-size:18px;line-height:20px;text-align:center;transform:translateY(-50%)}.swing-305-body .swing-305-faq details[open] summary:after{content:"−"}.swing-305-body .swing-305-faq details>div{padding:0 22px 20px;border-top:1px solid #e4e7e5;background:#f8faf8}.swing-305-body .swing-305-faq details>div p{margin:16px 0 0}
.swing-305-body .swing-305-cta{padding:34px clamp(22px,4vw,42px);border-radius:18px;background:linear-gradient(135deg,#fff1ea,#eef5f5);text-align:center}.swing-305-body .swing-305-cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:24px}.swing-305-body .swing-305-button{display:inline-flex;min-height:52px;align-items:center;justify-content:center;padding:12px 24px;border:2px solid transparent;border-radius:8px;font-weight:800;text-align:center;text-decoration:none}.swing-305-body .swing-305-button--primary,.swing-305-body .swing-305-button--primary:visited{border-color:var(--red-dark);background:var(--red-dark);color:#fff}.swing-305-body .swing-305-button--primary:hover,.swing-305-body .swing-305-button--primary:focus-visible{border-color:#5f0e15;background:#5f0e15;color:#fff}.swing-305-body .swing-305-button--secondary,.swing-305-body .swing-305-button--secondary:visited{border-color:var(--blue-dark);background:#fff;color:var(--blue-dark)}.swing-305-body .swing-305-button--secondary:hover,.swing-305-body .swing-305-button--secondary:focus-visible{border-color:var(--blue-dark);background:var(--blue-dark);color:#fff}
@media(max-width:980px){.swing-305-body .swing-305-role-grid,.swing-305-body .swing-305-quantity-grid{grid-template-columns:1fr}.swing-305-body .swing-305-summary ul,.swing-305-body .swing-305-toc ol,.swing-305-body .swing-305-size-grid,.swing-305-body .swing-305-support-grid,.swing-305-body .swing-305-related-grid{grid-template-columns:1fr}}
@media(max-width:650px){.swing-305-body .swing-305-page{font-size:15px}.swing-305-body .swing-305-page .pageTitle{padding:15px 16px;border-left-width:5px;font-size:24px}.swing-305-body .swing-305-lead,.swing-305-body .swing-305-summary,.swing-305-body .swing-305-toc,.swing-305-body .swing-305-note,.swing-305-body .swing-305-check-panel,.swing-305-body .swing-305-formula,.swing-305-body .swing-305-cta{padding:20px 18px}.swing-305-body .swing-305-section>h2,.swing-305-body .swing-305-related>h2{padding:13px 13px 13px 17px;font-size:21px}.swing-305-body .swing-305-steps>section{grid-template-columns:1fr;gap:10px;padding:18px 17px}.swing-305-body .swing-305-steps span{width:100px}.swing-305-body .swing-305-steps p{grid-column:1}.swing-305-body .swing-305-table-wrap:after{display:block;padding:8px 12px;background:#f3f5f3;color:#5f6668;content:"表は横にスクロールして確認できます";font-size:12px;text-align:center}.swing-305-body .swing-305-cta-buttons{flex-direction:column}.swing-305-body .swing-305-button{width:100%}}
@media(max-width:480px){.swing-305-body .swing-305-page .pageTitle{font-size:21px}.swing-305-body .swing-305-lead h2,.swing-305-body .swing-305-cta h2,.swing-305-body .swing-305-section>h2,.swing-305-body .swing-305-related>h2{font-size:20px}}