.swing-290-body{--s290-navy:#344d5a;--s290-red:#ba5149;--s290-gold:#d8a744;--s290-teal:#4f8582;--s290-ink:#26343a;--s290-muted:#617077;--s290-line:#d9dfdd;--s290-soft:#f3f6f5;--s290-warm:#faf4e8;font-family:"Noto Sans JP",sans-serif;color:var(--s290-ink);line-height:1.85}.swing-290-body .swing-290-page{max-width:100%;padding-bottom:50px}.swing-290-body .swing-290-page-title{margin-bottom:22px;color:var(--s290-navy);line-height:1.45}.swing-290-body .swing-290-hero{overflow:hidden;margin-bottom:34px;border-radius:13px;background:#eee}.swing-290-body .swing-290-hero img{display:block;width:100%;height:auto}.swing-290-body .swing-290-lead{padding:32px 34px;border-left:7px solid var(--s290-red);border-radius:0 14px 14px 0;background:#fff7f4}.swing-290-body .swing-290-kicker{margin:0;color:var(--s290-red);font-size:.72rem;font-weight:800;letter-spacing:.13em}.swing-290-body .swing-290-lead h2{margin:5px 0 15px;color:var(--s290-navy);font-size:clamp(1.38rem,2.5vw,1.85rem);line-height:1.55}.swing-290-body .swing-290-lead p:last-child{margin-bottom:0}.swing-290-body .swing-290-summary{margin-top:24px;padding:27px 31px;border-radius:13px;background:var(--s290-soft)}.swing-290-body .swing-290-summary h2{margin:0 0 12px;color:var(--s290-navy);font-size:1.28rem}.swing-290-body .swing-290-summary ul,.swing-290-body .swing-290-checklist ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 30px;margin:0;padding-left:1.3em}.swing-290-body .swing-290-toc{margin-top:24px;padding:25px 31px;border:1px solid var(--s290-line);border-radius:13px;background:#fff}.swing-290-body .swing-290-toc p{margin:0 0 12px;color:var(--s290-navy);font-weight:800}.swing-290-body .swing-290-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 30px;margin:0;padding-left:1.4em}.swing-290-body .swing-290-section{margin-top:58px;scroll-margin-top:95px}.swing-290-body .swing-290-heading{display:flex;gap:17px;align-items:center;margin-bottom:24px;padding-bottom:13px;border-bottom:2px solid var(--s290-line)}.swing-290-body .swing-290-heading>span{flex:0 0 auto;padding:5px 10px;border-radius:999px;background:var(--s290-navy);color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.1em}.swing-290-body .swing-290-heading h2{margin:0;color:var(--s290-navy);font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.5}.swing-290-body .swing-290-answer{margin-bottom:25px;padding:24px 27px;border-radius:12px;background:#edf4f2}.swing-290-body .swing-290-answer strong{display:block;margin-bottom:7px;color:var(--s290-navy);font-size:1.09rem}.swing-290-body .swing-290-answer p{margin:0}.swing-290-body .swing-290-priority-grid,.swing-290-body .swing-290-layout-grid,.swing-290-body .swing-290-mistake-grid,.swing-290-body .swing-290-service-grid,.swing-290-body .swing-290-related-grid{display:grid;gap:18px}.swing-290-body .swing-290-priority-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.swing-290-body .swing-290-priority-grid section,.swing-290-body .swing-290-layout-grid section,.swing-290-body .swing-290-mistake-grid section{padding:22px;border:1px solid var(--s290-line);border-radius:12px;background:#fff;box-shadow:0 6px 18px rgba(38,55,62,.055)}.swing-290-body .swing-290-priority-grid span{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--s290-red);color:#fff;font-weight:800}.swing-290-body .swing-290-priority-grid h3,.swing-290-body .swing-290-layout-grid h3,.swing-290-body .swing-290-mistake-grid h3{margin:8px 0 7px;color:var(--s290-navy);font-size:1.05rem}.swing-290-body .swing-290-priority-grid p,.swing-290-body .swing-290-layout-grid p,.swing-290-body .swing-290-mistake-grid p{margin:0;color:var(--s290-muted)}.swing-290-body .swing-290-note,.swing-290-body .swing-290-caution,.swing-290-body .swing-290-support{margin-top:23px;padding:23px 26px;border-radius:12px}.swing-290-body .swing-290-note{border-left:5px solid var(--s290-gold);background:var(--s290-warm)}.swing-290-body .swing-290-note strong{display:block;color:#7b5621}.swing-290-body .swing-290-note p,.swing-290-body .swing-290-caution p,.swing-290-body .swing-290-support p{margin:4px 0 0}.swing-290-body .swing-290-step-list{margin:0;padding:0;list-style:none}.swing-290-body .swing-290-step-list li{display:grid;grid-template-columns:105px 1fr;gap:22px;align-items:start;padding:23px 0;border-bottom:1px solid var(--s290-line)}.swing-290-body .swing-290-step-list li:first-child{padding-top:0}.swing-290-body .swing-290-step-list li>span{display:inline-flex;align-items:center;justify-content:center;min-height:39px;border-radius:999px;background:var(--s290-teal);color:#fff;font-size:.75rem;font-weight:800}.swing-290-body .swing-290-step-list h3{margin:0 0 5px;color:var(--s290-navy);font-size:1.08rem}.swing-290-body .swing-290-step-list p{margin:0;color:var(--s290-muted)}.swing-290-body .swing-290-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--s290-line);border-radius:12px;background:#fff}.swing-290-body .swing-290-table{width:100%;min-width:850px;border-collapse:separate;border-spacing:0}.swing-290-body .swing-290-table caption{padding:12px 15px;color:var(--s290-navy);font-weight:800;text-align:left;background:#f2f5f4}.swing-290-body .swing-290-table th,.swing-290-body .swing-290-table td{padding:13px 14px;border-top:1px solid var(--s290-line);border-right:1px solid var(--s290-line);vertical-align:top;text-align:left}.swing-290-body .swing-290-table tr>*:last-child{border-right:0}.swing-290-body .swing-290-table thead th{background:var(--s290-navy);color:#fff;border-color:#526a76}.swing-290-body .swing-290-table tbody th{width:17%;color:var(--s290-navy);background:#f8faf9}.swing-290-body .swing-290-layout-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:23px}.swing-290-body .swing-290-layout-grid span{display:inline-block;color:var(--s290-red);font-size:.68rem;font-weight:800;letter-spacing:.1em}.swing-290-body .swing-290-caution{background:#eef4f3}.swing-290-body .swing-290-caution h3,.swing-290-body .swing-290-support h3{margin:0;color:var(--s290-navy)}.swing-290-body .swing-290-mistake-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.swing-290-body .swing-290-mistake-grid section{border-top:4px solid var(--s290-red)}.swing-290-body .swing-290-checklist{padding:28px 31px;border-radius:13px;background:var(--s290-warm)}.swing-290-body .swing-290-checklist h3{margin:0 0 15px;color:#754d1a}.swing-290-body .swing-290-service-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}.swing-290-body .swing-290-service-grid>a,.swing-290-body .swing-290-related-grid>a{display:block;min-width:0;padding:20px;border:1px solid var(--s290-line);border-radius:11px;background:#fff;color:var(--s290-ink);text-decoration:none;box-shadow:0 5px 16px rgba(35,55,62,.055);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.swing-290-body .swing-290-service-grid>a:hover,.swing-290-body .swing-290-service-grid>a:focus-visible,.swing-290-body .swing-290-related-grid>a:hover,.swing-290-body .swing-290-related-grid>a:focus-visible{color:var(--s290-ink);border-color:#90aaa5;box-shadow:0 10px 24px rgba(35,55,62,.11);transform:translateY(-2px)}.swing-290-body .swing-290-service-grid strong,.swing-290-body .swing-290-related-grid strong{display:block;color:var(--s290-navy);line-height:1.55}.swing-290-body .swing-290-service-grid span,.swing-290-body .swing-290-related-grid span{display:block;margin-top:5px;color:var(--s290-muted);font-size:.9rem}.swing-290-body .swing-290-support{background:#eaf3f2}.swing-290-body .swing-290-faq details{border:1px solid var(--s290-line);border-radius:10px;background:#fff}.swing-290-body .swing-290-faq details+details{margin-top:12px}.swing-290-body .swing-290-faq summary{position:relative;padding:20px 54px 20px 22px;cursor:pointer;color:var(--s290-navy);font-weight:700;list-style:none}.swing-290-body .swing-290-faq summary::-webkit-details-marker{display:none}.swing-290-body .swing-290-faq summary::after{content:"＋";position:absolute;right:20px;top:50%;color:var(--s290-red);font-size:1.35rem;transform:translateY(-50%)}.swing-290-body .swing-290-faq details[open] summary::after{content:"−"}.swing-290-body .swing-290-faq details p{margin:0;padding:0 22px 22px}.swing-290-body .swing-290-related{margin-top:50px;padding:30px;border-radius:16px;background:#f0f4f3}.swing-290-body .swing-290-related h2{margin:0 0 20px;color:var(--s290-navy);font-size:1.5rem}.swing-290-body .swing-290-related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.swing-290-body .swing-290-related-grid>a{padding:18px;box-shadow:none}.swing-290-body .swing-290-back{display:inline-block;margin-top:20px;font-weight:700}.swing-290-body .swing-290-final-cta{margin-top:34px;padding:38px 34px;border-radius:16px;background:linear-gradient(135deg,#344d5a 0%,#4f8582 100%);color:#fff;text-align:center}.swing-290-body .swing-290-final-cta .swing-290-kicker{color:#d9efec}.swing-290-body .swing-290-final-cta h2{margin:5px 0 14px;color:#fff;font-size:clamp(1.45rem,2.6vw,1.95rem);line-height:1.5}.swing-290-body .swing-290-final-cta p{max-width:790px;margin:0 auto}.swing-290-body .swing-290-cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:24px}.swing-290-body .swing-290-button{display:inline-flex;align-items:center;justify-content:center;min-width:250px;min-height:54px;padding:13px 24px;border:2px solid transparent;border-radius:8px;color:#fff;font-weight:800;line-height:1.4;text-decoration:none;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease}.swing-290-body .swing-290-page a.swing-290-button--template{background-color:#ba5149;color:#fff}.swing-290-body .swing-290-page a.swing-290-button--submit{background-color:#fff;color:#344d5a;border-color:#fff}.swing-290-body .swing-290-page a.swing-290-button--template:hover,.swing-290-body .swing-290-page a.swing-290-button--template:focus-visible{background-color:#91352f;color:#fff;border-color:#91352f;transform:translateY(-1px)}.swing-290-body .swing-290-page a.swing-290-button--submit:hover,.swing-290-body .swing-290-page a.swing-290-button--submit:focus-visible{background-color:#e1efed;color:#344d5a;border-color:#e1efed;transform:translateY(-1px)}
@media screen and (max-width:1100px){.swing-290-body .swing-290-priority-grid,.swing-290-body .swing-290-layout-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.swing-290-body .swing-290-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media screen and (max-width:650px){.swing-290-body .swing-290-page-title{font-size:1.52rem}.swing-290-body .swing-290-hero{margin-bottom:26px;border-radius:10px}.swing-290-body .swing-290-lead,.swing-290-body .swing-290-summary,.swing-290-body .swing-290-related,.swing-290-body .swing-290-final-cta{padding:24px 20px}.swing-290-body .swing-290-toc{padding:22px 20px}.swing-290-body .swing-290-summary ul,.swing-290-body .swing-290-checklist ul,.swing-290-body .swing-290-toc ol,.swing-290-body .swing-290-priority-grid,.swing-290-body .swing-290-layout-grid,.swing-290-body .swing-290-mistake-grid,.swing-290-body .swing-290-service-grid,.swing-290-body .swing-290-related-grid{grid-template-columns:1fr}.swing-290-body .swing-290-heading{display:block}.swing-290-body .swing-290-heading>span{display:inline-block;margin:0 0 8px}.swing-290-body .swing-290-table-wrap::after{content:"表は横にスクロールできます";display:block;padding:8px 12px;color:var(--s290-muted);font-size:.8rem;background:#f7f9f8}.swing-290-body .swing-290-step-list li{grid-template-columns:1fr;gap:10px}.swing-290-body .swing-290-step-list li>span{width:105px}.swing-290-body .swing-290-checklist{padding:24px 20px}.swing-290-body .swing-290-cta-buttons{display:grid;grid-template-columns:1fr}.swing-290-body .swing-290-button{width:100%;min-width:0}}
@media screen and (max-width:480px){.swing-290-body .swing-290-page{overflow-wrap:anywhere}.swing-290-body .swing-290-lead h2,.swing-290-body .swing-290-heading h2{font-size:1.32rem}.swing-290-body .swing-290-summary,.swing-290-body .swing-290-checklist{padding:21px 17px}}