:root{
  --color-base:#313131;
  --color-base-soft:#4A4A4A;
  --color-accent:#0B8A80;
  --color-accent-dark:#076E66;
  --color-bg:#FFFFFF;
  --color-bg-alt:#F7FAF9;
  --color-line:#E4ECEB;
  --color-line-soft:#EFEFEF;
  --color-mute:#6B7775;
  --font-sans:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --font-serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --maxw:1100px;
  --radius:6px;
  --space-section:clamp(4rem,3rem + 4vw,7rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--color-bg);color:var(--color-base);font-family:var(--font-sans);font-size:16px;line-height:1.8;font-feature-settings:"palt";-webkit-font-smoothing:antialiased}

.sogo-lp{overflow-x:hidden}
.sogo-lp .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sogo-lp a{color:inherit;text-decoration:none}
.sogo-lp img{max-width:100%;display:block}

/* ───── shared ───── */
.sogo-lp section{padding:var(--space-section) 0}
.sogo-lp .h2{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(1.6rem,1.2rem + 1.6vw,2.4rem);
  line-height:1.4;
  letter-spacing:.02em;
  margin:0 0 .9rem;
}
.sogo-lp .h2::after{
  content:"";display:block;
  width:56px;height:3px;background:var(--color-accent);
  margin-top:1.1rem;
}
.sogo-lp .lead{
  font-size:clamp(1rem,.95rem + .2vw,1.125rem);
  margin:1.6rem 0 0;max-width:48em;text-wrap:pretty;
}
.sogo-lp .note{
  font-size:.85rem;color:var(--color-mute);
  margin-top:1.5rem;line-height:1.7;
}
.sogo-lp .section-num{
  font-family:var(--font-serif);
  font-size:.74rem;letter-spacing:.32em;
  color:var(--color-accent);
  font-weight:700;
  margin:0 0 1rem;
  display:flex;align-items:center;gap:14px;
}
.sogo-lp .section-num::before{
  content:"";display:inline-block;
  width:24px;height:1px;background:var(--color-accent);
}

/* ───── chrome ───── */
.lp-chrome{
  border-bottom:1px solid var(--color-line);
  background:var(--color-bg);
  position:sticky;top:0;z-index:50;
}
.lp-chrome__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.lp-brand{
  font-family:var(--font-serif);
  font-weight:700;font-size:1.1rem;letter-spacing:.04em;
}
.lp-brand small{
  display:block;font-family:var(--font-sans);font-weight:400;
  font-size:.7rem;color:var(--color-mute);letter-spacing:.1em;margin-top:2px;
}
.lp-nav{display:flex;gap:24px;font-size:.88rem}
.lp-nav a{color:var(--color-mute)}
@media (hover:hover){.lp-nav a:hover{color:var(--color-accent)}}
@media (max-width:720px){.lp-nav{display:none}}

/* ───── breadcrumb ───── */
.crumb{font-size:.78rem;color:var(--color-mute);padding:18px 0 0}
.crumb a{color:var(--color-mute);border-bottom:1px solid transparent}
@media (hover:hover){.crumb a:hover{color:var(--color-accent);border-bottom-color:currentColor}}
.crumb span[aria-current]{color:var(--color-base)}

/* ───── HERO ───── */
.hero{
  padding-top:clamp(2.5rem,2rem + 3vw,5rem);
  padding-bottom:clamp(3rem,2rem + 4vw,6rem);
}
.hero__grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(2rem,1rem + 4vw,5rem);
  align-items:center;
}
.hero__h1{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(2rem,1.4rem + 3.2vw,3.6rem);
  line-height:1.2;letter-spacing:.04em;margin:0;
}
.hero__h1 .ruby{
  display:block;font-family:var(--font-sans);
  font-size:.78rem;color:var(--color-accent);
  letter-spacing:.32em;font-weight:700;margin-bottom:1.4rem;
}
.hero__rule{width:56px;height:3px;background:var(--color-accent);margin:1.8rem 0 1.4rem}
.hero__copy{
  font-family:var(--font-serif);
  font-size:clamp(1.05rem,.95rem + .5vw,1.35rem);
  font-weight:500;line-height:1.85;margin:0 0 1.4rem;text-wrap:pretty;
}
.hero__sub{
  display:flex;flex-wrap:wrap;gap:8px;
  font-size:.8rem;color:var(--color-mute);
  margin:0;list-style:none;padding:0;
}
.hero__sub li{
  border:1px solid var(--color-line);
  padding:6px 12px;border-radius:999px;background:#fff;
}

/* hero figure: editorial sheet w/ red marks */
.sheet{
  position:relative;
  width:100%;max-width:420px;
  aspect-ratio:1/1.18;
  margin-left:auto;
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:var(--radius);
  box-shadow:0 30px 60px -40px rgba(11,138,128,.25), 0 4px 12px -8px rgba(0,0,0,.06);
  padding:32px 30px;
  font-family:var(--font-serif);
  display:flex;flex-direction:column;gap:14px;
  overflow:hidden;
}
.sheet__head{
  font-size:.7rem;letter-spacing:.24em;
  color:var(--color-mute);
  font-family:var(--font-sans);font-weight:500;
  display:flex;justify-content:space-between;
  border-bottom:1px solid var(--color-line);
  padding-bottom:12px;margin-bottom:6px;
}
.sheet__title{
  font-size:1.15rem;font-weight:700;letter-spacing:.04em;margin:0;
}
.sheet__line{
  height:10px;background:var(--color-line-soft);
  border-radius:2px;position:relative;
}
.sheet__line.short{width:62%}
.sheet__line.mid{width:84%}
.sheet__line.full{width:100%}
.sheet__line--strike::before{
  content:"";position:absolute;left:8%;right:14%;top:50%;height:2px;
  background:#C24A3D;transform:translateY(-50%);
}
.sheet__line--mark{
  background:rgba(194,74,61,.10);
  border:1px dashed rgba(194,74,61,.4);
}
.sheet__redmark{
  position:absolute;
  font-family:var(--font-serif);
  font-weight:700;
  color:#C24A3D;
  pointer-events:none;
  white-space:nowrap;
}
.sheet__redmark--check{top:96px;right:36px;font-size:1.4rem;transform:rotate(-12deg)}
.sheet__redmark--note{
  bottom:88px;right:30px;
  font-size:.72rem;letter-spacing:.04em;
  border:1.5px solid #C24A3D;padding:4px 8px;border-radius:2px;
  transform:rotate(-3deg);
}
.sheet__redmark--arrow{top:170px;left:20px;font-size:1.6rem;transform:rotate(15deg)}
.sheet__foot{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--color-line);
  font-family:var(--font-sans);font-size:.72rem;
  color:var(--color-mute);letter-spacing:.06em;
  display:flex;justify-content:space-between;
}

@media (max-width:880px){
  .hero__grid{grid-template-columns:1fr;gap:2.5rem}
  .sheet{margin:0 auto;max-width:360px}
}

/* ───── 02 LOOP ───── */
.loop-sec{background:var(--color-bg-alt);border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}
.loop-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;margin-top:3rem;
  position:relative;
}
.loop-step{
  background:#fff;border:1px solid var(--color-line);
  border-top:3px solid var(--color-accent);
  border-radius:var(--radius);
  padding:28px 24px;display:flex;flex-direction:column;gap:12px;
  position:relative;
}
.loop-step__num{
  font-family:var(--font-serif);
  font-size:.72rem;letter-spacing:.28em;
  color:var(--color-accent);font-weight:700;
}
.loop-step__title{
  font-family:var(--font-serif);
  font-size:1.5rem;font-weight:700;
  margin:0;letter-spacing:.06em;
}
.loop-step__title small{
  display:block;font-family:var(--font-sans);
  font-size:.66rem;letter-spacing:.22em;
  color:var(--color-mute);font-weight:500;
  margin-top:6px;
}
.loop-step__desc{
  margin:0;font-size:.9rem;line-height:1.85;
  color:var(--color-base-soft);
}
.loop-step__arrow{
  position:absolute;top:50%;right:-14px;
  width:20px;height:1px;background:var(--color-accent);
  transform:translateY(-50%);
  z-index:2;
}
.loop-step__arrow::after{
  content:"";position:absolute;right:0;top:-3px;
  width:7px;height:7px;
  border-top:1px solid var(--color-accent);
  border-right:1px solid var(--color-accent);
  transform:rotate(45deg);
}
.loop-step:last-child .loop-step__arrow{display:none}

@media (max-width:1099px){
  .loop-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .loop-step:nth-child(2) .loop-step__arrow{display:none}
}
@media (max-width:599px){
  .loop-grid{grid-template-columns:1fr;gap:14px}
  .loop-step__arrow{
    top:auto;bottom:-12px;right:50%;
    width:1px;height:14px;transform:translateX(50%);
  }
  .loop-step__arrow::after{
    right:-3px;top:auto;bottom:0;
    transform:rotate(135deg);
  }
  .loop-step:nth-child(2) .loop-step__arrow{display:block}
}

/* ───── 03 PLANS ───── */
.plans-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;margin-top:3rem;
  align-items:stretch;
}
.plan{
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:var(--radius);
  padding:36px 30px 32px;
  display:flex;flex-direction:column;gap:18px;
  position:relative;
}
.plan--mid{
  border-top:3px solid var(--color-accent);
}
.plan--full{
  border:1px solid var(--color-accent);
  box-shadow:0 24px 48px -28px rgba(11,138,128,.35);
}
.plan__badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--color-accent);color:#fff;
  font-size:.72rem;letter-spacing:.18em;font-weight:700;
  padding:6px 14px;border-radius:3px;white-space:nowrap;
}
.plan__name{
  font-family:var(--font-serif);
  font-size:1.4rem;font-weight:700;
  margin:0;letter-spacing:.04em;line-height:1.4;
}
.plan__name small{
  display:block;
  font-family:var(--font-sans);font-weight:500;
  font-size:.7rem;letter-spacing:.22em;
  color:var(--color-accent);margin-bottom:8px;
}
.plan__price{
  font-family:var(--font-serif);
  font-weight:700;
  border-top:1px solid var(--color-line);
  border-bottom:1px solid var(--color-line);
  padding:18px 0;
  display:flex;flex-direction:column;gap:4px;
}
.plan__price-month{
  font-size:2rem;color:var(--color-accent);
  letter-spacing:.02em;line-height:1.1;
}
.plan__price-month span{
  font-size:.8rem;font-family:var(--font-sans);
  font-weight:500;color:var(--color-mute);margin-left:6px;
}
.plan__price-year{
  font-family:var(--font-sans);font-weight:500;
  font-size:.82rem;color:var(--color-mute);
  letter-spacing:.04em;
}
.plan__price-year b{color:var(--color-base);font-weight:700;font-family:var(--font-serif);font-size:.95rem;margin-left:4px}
.plan__for{
  font-size:.9rem;line-height:1.85;margin:0;
}
.plan__for b{
  display:block;font-size:.7rem;letter-spacing:.2em;
  color:var(--color-mute);font-weight:500;
  margin-bottom:6px;
}
.plan__when{
  font-size:.8rem;color:var(--color-mute);
  border-top:1px dashed var(--color-line);
  padding-top:14px;margin-top:auto;
  letter-spacing:.04em;
}

@media (max-width:1099px){
  .plans-grid{grid-template-columns:repeat(2,1fr)}
  .plan--full{grid-column:1/-1;max-width:540px;margin:0 auto;width:100%}
}
@media (max-width:599px){
  .plans-grid{grid-template-columns:1fr;gap:32px}
  .plan--full{grid-column:auto;max-width:none}
}

/* ───── 04 INSTRUCTORS ───── */
.tutors-sec{background:var(--color-bg-alt);border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}
.tutors-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;margin-top:3rem;
}
.tutor{
  background:#fff;border:1px solid var(--color-line);
  border-radius:var(--radius);
  padding:30px 26px;
  display:flex;flex-direction:column;gap:14px;
}
.tutor__role{
  font-size:.7rem;letter-spacing:.22em;
  color:var(--color-accent);font-weight:700;
}
.tutor__name{
  font-family:var(--font-serif);
  font-weight:700;font-size:1.3rem;
  margin:0;letter-spacing:.06em;line-height:1.4;
}
.tutor__name small{
  display:block;font-family:var(--font-sans);
  font-weight:400;font-size:.7rem;
  color:var(--color-mute);letter-spacing:.16em;margin-top:4px;
}
.tutor__subjects{
  font-size:.82rem;color:var(--color-base-soft);
  border-top:1px solid var(--color-line);
  padding-top:14px;margin:0;line-height:1.8;
}
.tutor__subjects b{
  display:block;font-size:.68rem;letter-spacing:.2em;
  color:var(--color-mute);font-weight:500;margin-bottom:4px;
}
.tutor__note{
  font-size:.82rem;line-height:1.8;color:var(--color-base-soft);
  margin:0;
}

.rota-callout{
  margin-top:2rem;
  background:#fff;
  border:1px solid var(--color-accent);
  border-radius:var(--radius);
  padding:22px 28px;
  display:flex;align-items:center;gap:18px;
  font-size:.95rem;line-height:1.8;
}
.rota-callout__mark{
  font-family:var(--font-serif);font-weight:700;
  color:var(--color-accent);font-size:1.6rem;
  letter-spacing:.04em;flex-shrink:0;
}

@media (max-width:899px){
  .tutors-grid{grid-template-columns:1fr;gap:14px}
  .rota-callout{flex-direction:column;align-items:flex-start;gap:10px;padding:20px 22px}
}

/* ───── 05 SCOPE ───── */
.scope-list{
  margin-top:3rem;
  border-top:1px solid var(--color-line);
}
.scope-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:24px;align-items:center;
  padding:22px 4px;
  border-bottom:1px solid var(--color-line);
}
.scope-item__num{
  font-family:var(--font-serif);
  font-size:.78rem;letter-spacing:.24em;
  color:var(--color-accent);font-weight:700;
  width:48px;
}
.scope-item__name{
  font-family:var(--font-serif);
  font-weight:700;font-size:1.15rem;
  margin:0;letter-spacing:.04em;
}
.scope-item__desc{
  font-size:.82rem;color:var(--color-mute);
  letter-spacing:.04em;text-align:right;
}
@media (max-width:599px){
  .scope-item{grid-template-columns:auto 1fr;gap:12px 16px}
  .scope-item__desc{grid-column:1/-1;text-align:left;font-size:.8rem;padding-left:60px}
}

/* ───── 06 FAQ ───── */
.faq-list{margin-top:3rem;border-top:1px solid var(--color-line)}
.faq-item{
  border-bottom:1px solid var(--color-line);
  padding:28px 0;
  display:grid;grid-template-columns:auto 1fr;gap:14px 28px;
}
.faq-item__mark{
  font-family:var(--font-serif);
  color:var(--color-accent);font-weight:700;
  font-size:1.4rem;line-height:1;
  grid-row:1/span 2;
}
.faq-item__q{
  font-family:var(--font-serif);font-weight:700;
  font-size:1.1rem;margin:0;
  letter-spacing:.02em;line-height:1.6;
  grid-column:2;
}
.faq-item__a{
  margin:0;font-size:.95rem;
  line-height:1.9;grid-column:2;
}
@media (max-width:599px){
  .faq-item{padding:22px 0;gap:14px 16px}
  .faq-item__q{font-size:1rem}
  .faq-item__a{font-size:.9rem}
}

/* ───── 07 CTA ───── */
.cta-sec{background:var(--color-base);color:#fff;position:relative;overflow:hidden}
.cta-sec::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,transparent 0,transparent calc(100% - 1px),rgba(255,255,255,.05) 100%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(11,138,128,.18), transparent 70%);
  pointer-events:none;
}
.cta-sec .h2{color:#fff}
.cta-sec .h2::after{background:var(--color-accent)}
.cta-sec .lead{color:rgba(255,255,255,.78)}
.cta-grid{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:48px;align-items:end;margin-top:2.5rem;position:relative;
}
.cta-meta{
  font-size:.82rem;color:rgba(255,255,255,.55);
  margin-top:1.4rem;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:14px;min-height:60px;
  padding:18px 36px;
  background:var(--color-accent);color:#fff;
  font-family:var(--font-sans);font-weight:700;
  font-size:1rem;letter-spacing:.08em;
  border-radius:3px;border:1px solid var(--color-accent);
  transition:background .15s ease, border-color .15s ease;
  white-space:nowrap;
  min-width:280px;
}
.btn .arrow{
  width:22px;height:1px;background:#fff;position:relative;
  transition:transform .2s ease;
}
.btn .arrow::after{
  content:"";position:absolute;right:0;top:-3px;
  width:7px;height:7px;border-top:1px solid #fff;border-right:1px solid #fff;transform:rotate(45deg);
}
@media (hover:hover){
  .btn:hover{background:var(--color-accent-dark);border-color:var(--color-accent-dark)}
  .btn:hover .arrow{transform:translateX(4px)}
}
@media (max-width:720px){
  .cta-grid{grid-template-columns:1fr;gap:24px;align-items:start}
  .btn{width:100%;min-height:64px;min-width:0}
}

.lp-foot{
  border-top:1px solid var(--color-line);
  padding:32px 24px;
  font-size:.78rem;color:var(--color-mute);
  text-align:center;letter-spacing:.06em;
}


/* ───── FAQ Accordion (details/summary) ───── */
.faq-acc{max-width:820px;margin:3rem auto 0;border-top:1px solid var(--color-line)}
.faq-acc__item{border-bottom:1px solid var(--color-line);background:var(--color-bg)}
.faq-acc__item[open]{background:var(--color-bg-alt)}
.faq-acc__q{display:grid;grid-template-columns:32px 1fr 24px;gap:16px;align-items:center;padding:22px 28px;cursor:pointer;list-style:none;font-family:var(--font-serif);font-weight:700;font-size:1.02rem;line-height:1.6;color:var(--color-base);letter-spacing:.02em;transition:background .15s ease;user-select:none}
.faq-acc__q::-webkit-details-marker{display:none}
.faq-acc__q::marker{display:none}
@media (hover:hover){.faq-acc__q:hover{background:var(--color-bg-alt)}}
.faq-acc__q:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px}
.faq-acc__q-mark{font-family:var(--font-serif);font-size:1.1rem;font-weight:700;color:var(--color-accent);line-height:1.55}
.faq-acc__q-text{text-wrap:pretty}
.faq-acc__caret{font-size:.9rem;color:var(--color-base-mute);transition:transform .2s ease;text-align:center;line-height:1}
.faq-acc__item[open] .faq-acc__caret{transform:rotate(180deg)}
.faq-acc__a{display:grid;grid-template-columns:32px 1fr;gap:16px;align-items:start;padding:0 28px 24px}
.faq-acc__a-mark{font-family:var(--font-serif);font-size:1.1rem;font-weight:700;color:var(--color-base-mute);line-height:1.55}
.faq-acc__a p{color:var(--color-base-soft);font-size:.95rem;line-height:1.95;margin:0;text-wrap:pretty}
@media (max-width:599px){
  .faq-acc__q,.faq-acc__a{padding-left:22px;padding-right:22px}
  .faq-acc__q{grid-template-columns:28px 1fr 20px;gap:12px;font-size:.96rem}
  .faq-acc__a{grid-template-columns:28px 1fr;gap:12px}
}


/* ───── Section 04: 両輪体制 message ───── */
.message-sec{
  background:var(--color-bg-alt);
  padding:var(--space-section) 0;
  border-top:1px solid var(--color-line);
}
.message__eyebrow{
  font-size:.78rem;
  letter-spacing:.22em;
  color:var(--color-accent);
  text-transform:uppercase;
  font-weight:700;
  margin:0 0 1rem;
}
.h2--left{text-align:left!important}
.h2--left::after{margin-left:0!important;margin-right:auto!important}
.message__intro{
  font-size:1.02rem;
  line-height:2;
  color:var(--color-base);
  margin:1.5rem 0 2.5rem;
  text-wrap:pretty;
  max-width:780px;
}
.message__quote{
  background:var(--color-bg);
  border-left:4px solid var(--color-accent);
  padding:2.25rem 2.5rem;
  margin:0 0 2.5rem;
  border-radius:6px;
  box-shadow:0 1px 2px rgba(20,20,20,.04);
}
.message__quote > p:first-child{
  font-family:var(--font-serif);
  font-size:1.15rem;
  line-height:1.85;
  color:var(--color-base);
  margin:0 0 1.5rem;
  font-weight:600;
}
.message__quote-body{
  font-size:.95rem;
  line-height:1.95;
  color:var(--color-base-soft);
  margin:0 0 1.25rem;
}
.message__author{
  font-family:var(--font-serif);
  font-size:.95rem;
  color:var(--color-base);
  text-align:right;
  font-weight:600;
}
.message__principles{
  background:var(--color-bg);
  border:1px solid var(--color-line);
  padding:2rem 2.25rem;
  margin:0 0 2.5rem;
  border-radius:6px;
}
.message__principles > h3{
  font-family:var(--font-serif);
  font-size:1.1rem;
  font-weight:700;
  color:var(--color-base);
  margin:0 0 1.25rem;
  letter-spacing:.04em;
}
.message__principles > h3::before{
  content:"";
  display:inline-block;
  width:24px;height:1px;
  background:var(--color-accent);
  vertical-align:middle;
  margin-right:12px;
}
.message__principles ul{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:1.25rem;
}
.message__principles li{
  font-size:.95rem;
  line-height:1.85;
  color:var(--color-base-soft);
  padding-left:1.5rem;
  position:relative;
}
.message__principles li::before{
  content:"";
  position:absolute;
  left:0;top:.85em;
  width:8px;height:8px;
  border:2px solid var(--color-accent);
  border-radius:50%;
}
.message__principles li strong{
  color:var(--color-base);
  font-weight:700;
}
.message__partner{
  background:var(--color-bg);
  border:1px solid var(--color-line);
  border-radius:6px;
  padding:2rem 2.25rem;
}
.message__partner-role{
  font-size:.78rem;
  letter-spacing:.18em;
  color:var(--color-accent);
  font-weight:700;
  margin:0 0 .5rem;
}
.message__partner-name{
  font-family:var(--font-serif);
  font-size:1.4rem;
  letter-spacing:.04em;
  color:var(--color-base);
  margin:0 0 1rem;
}
.message__partner-bio{
  font-size:.95rem;
  line-height:1.95;
  color:var(--color-base-soft);
  margin:0;
  text-wrap:pretty;
}

/* ───── Section 05: 関連コース callout ───── */
.related-courses{
  margin-top:3rem;
  padding:2rem 2.25rem;
  background:var(--color-bg-alt);
  border:1px solid var(--color-line);
  border-radius:6px;
}
.related-courses__intro{
  font-size:.95rem;
  color:var(--color-base);
  margin:0 0 1.5rem;
  text-align:center;
}
.related-courses__grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.related-course-card{
  display:flex;
  flex-direction:column;
  gap:.5rem;
  padding:1.25rem 1.5rem;
  background:var(--color-bg);
  border:1px solid var(--color-line);
  border-radius:6px;
  text-decoration:none;
  color:inherit;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
@media (hover:hover){
  .related-course-card:hover{
    border-color:var(--color-accent);
    transform:translateY(-2px);
    box-shadow:0 6px 20px rgba(20,20,20,.06);
  }
}
.related-course-card__label{
  font-size:.78rem;
  letter-spacing:.12em;
  color:var(--color-base-mute);
  font-weight:500;
}
.related-course-card__name{
  font-family:var(--font-serif);
  font-size:1.05rem;
  font-weight:700;
  color:var(--color-base);
  letter-spacing:.04em;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.related-course-card__arrow{
  color:var(--color-accent);
  transition:transform .2s ease;
}
@media (hover:hover){
  .related-course-card:hover .related-course-card__arrow{transform:translateX(4px)}
}
@media (max-width:599px){
  .related-courses{padding:1.5rem 1.25rem}
  .related-courses__grid{grid-template-columns:1fr;gap:12px}
  .message-sec .wrap{padding-left:24px;padding-right:24px}
  .message__quote{padding:1.75rem 1.5rem}
  .message__principles,.message__partner{padding:1.5rem 1.25rem}
}