.mnc-hd{--a:#1a3d6d;--ink:#1f2733;--line:#e3e6ea;background:#fff;box-shadow:0 1px 8px rgba(20,35,60,.08);font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic Medium,Yu Gothic,Meiryo,sans-serif;position:sticky;top:0;z-index:1000}.mnc-hd__inner{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1200px;min-height:72px;padding:0 24px;position:relative}.mnc-hd__logo{align-items:center;display:inline-flex;gap:10px;text-decoration:none}.mnc-hd__logo img{display:block;height:48px;width:auto}.mnc-hd__logo-text{color:var(--a);font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap}@media screen and (max-width:900px){.mnc-hd__logo img{height:40px}.mnc-hd__logo-text{font-size:15px}}.mnc-hd__list{align-items:center;display:flex;gap:4px;list-style:none;margin:0;padding:0}.mnc-hd__link{border-radius:6px;color:var(--ink);display:block;font-size:15px;font-weight:500;padding:10px 14px;text-decoration:none;transition:color .15s ease,background .15s ease;white-space:nowrap}.mnc-hd__link:hover{background:#eef2f7;color:var(--a)}.mnc-hd__burger,.mnc-hd__cb{display:none}@media screen and (max-width:1024px){.mnc-hd__burger{align-items:center;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;gap:5px;height:44px;justify-content:center;width:44px}.mnc-hd__burger span{background:var(--a);border-radius:2px;display:block;height:2px;transition:transform .2s ease,opacity .2s ease;width:22px}.mnc-hd__cb:checked~.mnc-hd__burger span:first-child{transform:translateY(7px) rotate(45deg)}.mnc-hd__cb:checked~.mnc-hd__burger span:nth-child(2){opacity:0}.mnc-hd__cb:checked~.mnc-hd__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mnc-hd__nav{background:#fff;border-top:1px solid var(--line);box-shadow:0 8px 16px rgba(20,35,60,.1);left:0;max-height:0;overflow:hidden;position:absolute;right:0;top:100%;transition:max-height .25s ease}.mnc-hd__cb:checked~.mnc-hd__nav{max-height:80vh;overflow-y:auto}.mnc-hd__list{align-items:stretch;flex-direction:column;gap:0;padding:8px 0}.mnc-hd__link{border-radius:0;font-size:16px;padding:14px 24px}.mnc-hd__link:hover{background:#eef2f7}}@media screen and (max-width:768px){.mnc-hd__cb{border:0;clip-path:inset(50%);display:block;height:1px;margin:0;opacity:0;overflow:hidden;padding:0;position:absolute;width:1px}.mnc-hd__cb:focus-visible+.mnc-hd__burger{outline:2px solid var(--a,#1a3d6d);outline-offset:2px}.mnc-hd__nav{visibility:hidden}.mnc-hd__cb:checked~.mnc-hd__nav,.mnc-hd__nav:has(a:focus-visible){visibility:visible}}.mnc-hd__logo-text ruby{ruby-position:over;-webkit-ruby-position:before}.mnc-hd__logo-text rt{font-size:10px;font-weight:600;letter-spacing:.06em;line-height:1;text-align:center}@media screen and (max-width:900px){.mnc-hd__logo-text rt{font-size:9px}}.mnc-skip{background:var(--a,#1a3d6d);border-radius:0 0 6px 0;color:#fff;font-size:15px;font-weight:700;left:-9999px;padding:12px 20px;position:fixed;text-decoration:none;top:0;z-index:2000}.mnc-skip:focus{left:0;outline:3px solid #f5a623;outline-offset:2px}