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.layout{max-width:none}main{max-width:1700px;padding-inline:clamp(28px,4vw,72px)}.lesson-shell{max-width:none}.lesson-article{padding-inline:clamp(34px,4vw,72px)}.lesson-section>p{max-width:64em}.learning-figure{width:100%}.lesson-hero{padding-inline:clamp(34px,4vw,72px)}.course-head,.course-section{max-width:none}@media(min-width:1500px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.route-map{grid-template-columns:minmax(180px,.75fr) 56px minmax(0,1.5fr)}.route-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.route-choices>div{min-height:130px;align-items:flex-start;flex-direction:column;padding:20px}.route-connector{height:1px;border:0;border-top:1px solid #b7ccd1}.route-connector:before,.route-connector i{display:none}.prompt-layout{grid-template-columns:1fr 1fr}.concept-steps li{padding:22px}}@media(max-width:900px){main{padding-inline:32px}.lesson-article{padding-inline:34px}.lesson-hero{padding-inline:34px}}@media(max-width:700px){main{padding-inline:18px}.lesson-article{padding-inline:20px}.lesson-hero{padding-inline:23px}}

/* 文章・図解・ナビゲーションを同じ基準で大きくする。 */
body{font-size:17px}
body>header>a:last-child{font-size:15px}
.brand{font-size:24px}.brand span{font-size:12px}
aside>.eyebrow,.micro,.kicker{font-size:12px}
aside h2{font-size:15px}.nav-link{font-size:14px;min-height:51px}.nav-num{font-size:12px}
.home-hero h1{font-size:clamp(36px,3.8vw,54px)}
.home-hero__copy>p:not(.kicker){font-size:17px}.hero-link{font-size:15px}
.hero-art__card span,.hero-art__card small{font-size:11px}.hero-art__card b{font-size:19px}
.section-heading h2{font-size:29px}.section-heading>p{font-size:15px}
.course-card__top>span,.course-card__bottom>span:first-child,.course-meta{font-size:12px}
.course-card h3{font-size:21px}.course-card p{font-size:15px}.course-card{min-height:220px}
.back{font-size:15px}.course-head h1{font-size:clamp(32px,4vw,46px)}.course-description{font-size:17px}
.course-section__head h2{font-size:21px}.lesson-list__copy strong{font-size:17px}
.lesson-list__copy small,.lesson-time{font-size:14px}.lesson-number{font-size:13px}
.breadcrumbs{font-size:14px}.lesson-hero__meta{font-size:12px}
.lesson-hero h1{font-size:clamp(30px,3.2vw,40px)}.lesson-hero>p{font-size:17px}
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.lesson-section h2{font-size:27px}.lesson-section>p{font-size:17px;line-height:2.05;max-width:54em}
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@media(min-width:901px){.layout{grid-template-columns:320px minmax(0,1fr)}aside{padding-inline:24px}.nav-link{font-size:15px}.nav-lesson{font-size:14px;grid-template-columns:27px minmax(0,1fr)}.nav-section-title{font-size:13px}}@media(min-width:701px) and (max-width:900px){.layout{grid-template-columns:260px minmax(0,1fr)}}
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