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solid;color:inherit;block-size:0;overflow:visible}:where(:focus-visible){outline:2px solid var(--focus-color,Highlight);outline-offset:2px}:where(.visually-hidden:not(:focus,:active,:focus-within,.not-visually-hidden)){-webkit-clip-path:inset(50%)!important;clip-path:inset(50%)!important;height:1px!important;width:1px!important;overflow:hidden!important;position:absolute!important;white-space:nowrap!important;border:0!important}:where(html){color-scheme:normal}body{text-align:center;color:#3B4043;font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",メイリオ,sans-serif}img{width:100%;height:auto}ol,ul{list-style:none outside}.container{background:#FFF}.header{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:0 4%;width:100%;height:46px;position:fixed;top:0;left:0;z-index:100;background-color:#5185C5;color:#fff}.logo{width:102px}.footer{text-align:center;background-color:#A2ACB2;color:#fff}.copyright{padding:10px;font-size:0.625rem}.btn__menu{-webkit-transition-duration:0.25s;transition-duration:0.25s;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;position:relative;bottom:2px;width:20px;height:20px;cursor:pointer;z-index:2}.btn__menu span{display:inline-block;position:absolute;width:100%;height:1px;background-color:#fff}.btn__menu span:after,.btn__menu span:before{display:inline-block;position:absolute;width:100%;height:1px;background-color:#fff;content:"";-webkit-transition-duration:0.25s;transition-duration:0.25s;left:0}.btn__menu span:before{top:-6px}.btn__menu span:after{top:6px}.btn__menu.open>span{-webkit-transform:rotate(45deg);transform:rotate(45deg)}.btn__menu.open>span:before{top:0;-webkit-transform:rotate(0);transform:rotate(0)}.btn__menu.open>span:after{top:0;-webkit-transform:rotate(90deg);transform:rotate(90deg)}.menu__overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,0.6);-webkit-transition-duration:0.5s;transition-duration:0.5s;visibility:hidden;opacity:0;z-index:1}.menu__overlay.open{visibility:visible;opacity:1}#menu__toggle{display:none;opacity:0}#menu__toggle:checked~.menu__overlay{visibility:visible;opacity:1}#menu__toggle:checked~.btn__menu>span{-webkit-transform:rotate(45deg);transform:rotate(45deg)}#menu__toggle:checked~.btn__menu>span:before{top:0;-webkit-transform:rotate(0);transform:rotate(0)}#menu__toggle:checked~.btn__menu>span:after{top:0;-webkit-transform:rotate(90deg);transform:rotate(90deg)}#menu__toggle:checked~.menubox{visibility:visible;margin-top:0}.menubox{text-align:left;position:fixed;visibility:hidden;top:46px;left:0;width:100%;height:min(450px,100vh);margin:-450px 0 0 0;padding:40px 5.3333333333% 100px;z-index:1;-webkit-transition-duration:0.5s;transition-duration:0.5s;background:#FFF;overflow:scroll}.menubox__title{margin-top:20px;padding-top:20px;font-size:0.9375rem;color:#6092CA}.menubox__title:first-child{margin-top:auto;padding-top:0}.menubox__item{margin-top:10px;border-bottom:1px solid #6092CA}.menubox__item:first-child{margin-top:auto}.menubox__item a{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:10px 0;font-size:1.125rem;text-decoration:none;color:#3B4043}.section{margin:80px auto 32px}#link-id{margin-top:32px}.main{margin:0 4%;padding:46px 0 32px}.step{counter-reset:step_num;list-style:none}.step>li{margin:20px auto;padding:0 0 0 3rem;text-align:left;position:relative}.step>li:before{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;content:counter(step_num,decimal-leading-zero);counter-increment:step_num;width:34px;height:34px;padding-top:0.3rem;font-family:"Josefin Sans",system-ui,sans-serif;font-size:1.125rem;line-height:1;border-radius:50%;background:#6092CA;color:#fff;position:absolute;top:-0.25rem;left:0}.step em{font-style:normal;color:#6092CA}.step small{font-size:0.8125rem;line-height:1}.reference{margin:20px auto 0 -3rem;padding:0 14.6666666667%}.reference--entry{padding-right:2.1333333333%}.reference--entry-line{padding-right:2.1333333333%}.koseid{font-family:"Josefin Sans",system-ui,sans-serif}.nav{margin:32px -4% auto;padding:24px 9.3333333333%;background-color:#F3F3F3}.nav__title{margin-top:20px;padding-top:20px;border-top:1px dotted #3B4043}.nav__title:first-child{margin-top:auto;padding-top:0;border-top:none}.nav__list{margin-top:16px}.nav__item{margin-top:10px}.nav a{display:block;padding:10px 40px;text-align:center;text-decoration:none;background-color:#6092CA;color:#fff;position:relative}.nav a.oneline{line-height:3}.arrow-bottom,.arrow-right{display:inline-block;width:10px;height:10px}.arrow-right{border-top:2px solid #6092CA;border-right:2px solid #6092CA;-webkit-transform:rotate(45deg);transform:rotate(45deg)}.arrow-bottom{margin:-8px 0 0;border-top:2px solid #fff;border-right:2px solid #fff;-webkit-transform:rotate(135deg);transform:rotate(135deg);position:absolute;top:50%;right:24px}.next-step-arrow{display:inline-block;margin:20px auto 20px -3rem;border-style:solid;border-width:24px 24px 0 24px;border-color:#6092CA transparent transparent transparent;position:relative;left:50%}.icon-mail{padding:0 32.2666666667% 0 17.3333333333%}.page-title{margin-top:40px;font-size:2.0625rem;font-weight:normal;color:#6092CA}.note{margin:16px auto 0;font-size:0.75rem;color:#3B4043}.section-title{text-align:left}.section-title__main{padding:16px 20px;font-size:1.125rem;font-weight:normal;border-top:1px solid #6092CA;border-bottom:1px solid #6092CA;background-color:#EFF4F9}.section-title__sub{margin-bottom:8px;font-size:0.875rem;color:#6092CA}.supplement{display:block;margin-top:10px;margin-left:-8%;margin-right:7.2%;padding:10px 20px;font-size:0.8125rem;border:1px solid #6092CA}.balloon{margin:32px auto 0 -3rem;text-align:left;font-size:0.875rem;font-weight:normal;border:1px solid #E0164A}.balloon__title{margin:-20px 30px 0;padding:10px;text-align:center;background-color:#E0164A;color:#FFF}.balloon__list{margin:1rem 1rem 1rem 2.4rem;list-style:disc outside}.btn__pagetop{display:none;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:50px;height:50px;border-radius:50%;border:2px solid #6092CA;background-color:#FFF;position:fixed;right:4%;bottom:30px}.btn__pagetop:before{content:"";display:inline-block;width:14px;height:14px;margin:7px 0 0;border-top:2px solid #6092CA;border-right:2px solid #6092CA;-webkit-transform:rotate(-45deg);transform:rotate(-45deg)}@media (min-width:480px){.supplement{margin-left:-4%}}@media (min-width:640px){.container{margin:0 auto;max-width:640px;border-left:1px solid #F3F3F3;border-right:1px solid #F3F3F3;position:relative}.header,.menubox{width:638px;left:50%;margin-left:-319px}.supplement{margin-left:-1.3333333333%}.btn__pagetop{margin-right:-300px;right:50%}}