.ek-course-page,
.ek-course-archive {
  --ek-course-main: #68472d;
  --ek-course-accent: #b08a57;
  --ek-course-dark: #28231f;
  --ek-course-light: #f7f3ed;
  --ek-course-border: #ddd4c8;
  color: var(--ek-course-dark);
}

.ek-course-page *,
.ek-course-archive *,
.ek-course-front-notice * {
  box-sizing: border-box;
}

.ek-course-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 7rem) 1.25rem;
  background:
    linear-gradient(135deg, rgba(40, 35, 31, .94), rgba(104, 71, 45, .88)),
    radial-gradient(circle at 80% 20%, rgba(176, 138, 87, .45), transparent 32%);
  color: #fff;
  text-align: center;
}

.ek-course-hero__inner,
.ek-course-inner {
  width: min(100%, 1080px);
  margin-inline: auto;
}

.ek-course-hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
  margin: 0 0 1rem;
}

.ek-course-hero__status,
.ek-course-hero__format {
  display: inline-block;
  padding: .4rem 1rem;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  font-weight: 700;
  letter-spacing: .08em;
}

.ek-course-hero__format--venue {
  background: rgba(176, 138, 87, .55);
}

.ek-course-hero h1 {
  max-width: 920px;
  margin: 0 auto 1.25rem;
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.35;
  letter-spacing: .03em;
}

.ek-course-hero__lead {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  line-height: 1.9;
}

.ek-course-hero__actions,
.ek-course-application__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .8rem;
  margin-top: 1.75rem;
}

.ek-course-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.5rem;
  border: 2px solid #fff;
  border-radius: 5px;
  background: #fff;
  color: var(--ek-course-main);
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}

.ek-course-button:hover,
.ek-course-button:focus-visible {
  background: var(--ek-course-accent);
  border-color: var(--ek-course-accent);
  color: #fff;
}

.ek-course-button--outline {
  background: transparent;
  color: #fff;
}

.ek-course-summary {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 2rem), 920px);
  margin: -2rem auto 3rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--ek-course-border);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(40, 35, 31, .1);
}

.ek-course-summary dl {
  display: grid;
  grid-template-columns: 10rem 1fr;
  margin: 0;
}

.ek-course-summary dt,
.ek-course-summary dd {
  margin: 0;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--ek-course-border);
}

.ek-course-summary dt {
  color: var(--ek-course-main);
  font-weight: 700;
}

.ek-course-content {
  width: min(calc(100% - 2rem), 860px);
  margin-inline: auto;
  padding-bottom: 4rem;
  font-size: 1.05rem;
  line-height: 1.9;
}

.ek-course-content h2 {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--ek-course-accent);
  color: var(--ek-course-main);
  font-size: clamp(1.55rem, 3.5vw, 2.1rem);
  text-align: center;
}

.ek-course-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.ek-course-feature-grid section {
  padding: 1.4rem;
  border: 1px solid var(--ek-course-border);
  border-radius: 6px;
  background: var(--ek-course-light);
}

.ek-course-feature-grid h3 {
  margin: 0 0 .6rem;
  color: var(--ek-course-main);
  font-size: 1.2rem;
}

.ek-course-feature-grid p {
  margin: 0;
}

.ek-course-check-list {
  padding: 0;
  list-style: none;
}

.ek-course-check-list li {
  position: relative;
  margin: .7rem 0;
  padding-left: 2rem;
}

.ek-course-check-list li::before {
  position: absolute;
  left: .2rem;
  color: var(--ek-course-accent);
  content: "✓";
  font-weight: 700;
}

.ek-course-curriculum table {
  width: 100%;
  border-collapse: collapse;
}

.ek-course-curriculum th,
.ek-course-curriculum td {
  padding: .85rem;
  border: 1px solid var(--ek-course-border);
  text-align: left;
}

.ek-course-curriculum th {
  background: var(--ek-course-main);
  color: #fff;
}

.ek-course-faq details {
  margin-bottom: .75rem;
  border: 1px solid var(--ek-course-border);
  border-radius: 5px;
  background: #fff;
}

.ek-course-faq summary {
  padding: 1rem 1.2rem;
  color: var(--ek-course-main);
  cursor: pointer;
  font-weight: 700;
}

.ek-course-faq details p {
  margin: 0;
  padding: 0 1.2rem 1.2rem;
}

.ek-course-payment-guide {
  margin-top: 4rem;
  padding: clamp(2rem, 6vw, 3.5rem) 1.25rem;
  border-top: 1px solid var(--ek-course-border);
  background: var(--ek-course-light);
}

.ek-course-payment-guide > .ek-course-inner {
  width: min(100%, 960px);
}

.ek-course-payment-guide h2 {
  margin: 0 auto;
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--ek-course-accent);
  color: var(--ek-course-main);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  text-align: center;
}

.ek-course-payment-guide__lead {
  max-width: 720px;
  margin: 1.1rem auto 2.4rem;
  line-height: 1.9;
  text-align: center;
}

.ek-course-payment-guide__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.ek-course-payment-guide__grid > div {
  padding: 1.6rem;
  border: 1px solid var(--ek-course-border);
  border-radius: 8px;
  background: #fff;
}

.ek-course-payment-guide__grid h3 {
  margin: 0 0 1rem;
  color: var(--ek-course-main);
  font-size: 1.15rem;
}

.ek-course-payment-guide__grid ol {
  margin: 0;
  padding-left: 1.3rem;
  line-height: 1.85;
}

.ek-course-payment-guide__grid ol li {
  margin-bottom: .5rem;
}

.ek-course-payment-guide__grid > div > p {
  margin: 0 0 1rem;
}

.ek-course-bank-details {
  margin: 0;
}

.ek-course-bank-details > div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: .1rem .9rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--ek-course-border);
}

.ek-course-bank-details > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.ek-course-bank-details dt {
  margin: 0;
  color: var(--ek-course-main);
  font-weight: 700;
}

.ek-course-bank-details dd {
  margin: 0;
}

.ek-course-payment-guide__fallback {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--ek-course-border);
  font-size: .95rem;
  line-height: 1.8;
}

.ek-course-bank-note {
  margin: .85rem 0 0;
  font-size: .88rem;
  color: #5d554f;
}

.ek-course-payment-guide__actions {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.ek-course-payment-guide__actions .ek-course-button {
  border-color: var(--ek-course-main);
  background: var(--ek-course-main);
  color: #fff;
}

.ek-course-payment-guide__actions .ek-course-button:hover,
.ek-course-payment-guide__actions .ek-course-button:focus-visible {
  border-color: var(--ek-course-accent);
  background: var(--ek-course-accent);
}

.ek-course-application {
  margin-top: 4rem;
  padding: clamp(2rem, 6vw, 3.5rem) 1.25rem;
  background: var(--ek-course-main);
  color: #fff;
  text-align: center;
}

.ek-course-application h2 {
  margin-top: 0;
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
}

.ek-course-application__actions .ek-course-button--outline {
  border-color: #fff;
  color: #fff;
}

.ek-course-application__actions .ek-course-button--outline:hover,
.ek-course-application__actions .ek-course-button--outline:focus-visible {
  background: var(--ek-course-accent);
  border-color: var(--ek-course-accent);
  color: #fff;
}

.ek-course-closed {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 5px solid var(--ek-course-accent);
  background: var(--ek-course-light);
}

.ek-course-archive {
  padding: 0 0 clamp(2.5rem, 7vw, 5rem);
}

.ek-course-archive .ek-course-inner {
  padding-inline: 1rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.ek-course-archive__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) 1.25rem;
  /* 後日 A（写真）に差し替える場合は、この linear-gradient の直後に url(...) を追加する */
  background:
    linear-gradient(135deg, rgba(40, 35, 31, .95), rgba(104, 71, 45, .9)),
    radial-gradient(circle at 82% 18%, rgba(176, 138, 87, .5), transparent 34%);
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}

.ek-course-archive__mark {
  position: absolute;
  top: 50%;
  right: -60px;
  width: clamp(280px, 40vw, 460px);
  transform: translateY(-50%);
  fill: #fff;
  opacity: .1;
  pointer-events: none;
}

.ek-course-archive__hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  margin-inline: auto;
}

.ek-course-archive__hero h1 {
  margin: 0 0 1rem;
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.35;
  letter-spacing: .04em;
}

.ek-course-archive__hero p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.9;
}

.ek-course-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr));
  gap: 1.5rem;
}

.ek-course-card {
  overflow: hidden;
  border: 1px solid var(--ek-course-border);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(40, 35, 31, .07);
}

.ek-course-card__body {
  padding: 1.35rem;
}

.ek-course-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .75rem;
}

.ek-course-card__status,
.ek-course-card__format {
  display: inline-block;
  padding: .25rem .75rem;
  border-radius: 999px;
  background: var(--ek-course-light);
  color: var(--ek-course-main);
  font-size: .88rem;
  font-weight: 700;
}

.ek-course-card__format {
  border: 1px solid var(--ek-course-border);
  background: #fff;
}

.ek-course-card__format--venue {
  border-color: var(--ek-course-accent);
  background: var(--ek-course-accent);
  color: #fff;
}

.ek-course-card h2 {
  margin: 0 0 .75rem;
  color: var(--ek-course-main);
  font-size: 1.3rem;
  line-height: 1.5;
}

.ek-course-card h2 a {
  color: inherit;
  text-decoration: none;
}

.ek-course-card__meta {
  margin: .75rem 0;
  color: #5d554f;
}

.ek-course-front-notice {
  background: var(--ek-course-main, #68472d);
}

.ek-course-front-notice a {
  display: flex;
  width: min(calc(100% - 2rem), 1080px);
  min-height: 60px;
  align-items: center;
  gap: 1rem;
  margin-inline: auto;
  padding: .75rem 0;
  color: #fff;
  text-decoration: none;
}

.ek-course-front-notice__date {
  flex: 0 0 auto;
  padding: .25rem .65rem;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 999px;
  font-size: .85rem;
}

.ek-course-front-notice__title {
  flex: 1;
  font-weight: 700;
}

.ek-course-front-notice__link {
  flex: 0 0 auto;
}

@media (max-width: 640px) {
  .ek-course-feature-grid {
    grid-template-columns: 1fr;
  }

  .ek-course-payment-guide__grid {
    grid-template-columns: 1fr;
  }

  .ek-course-bank-details > div {
    grid-template-columns: 5rem 1fr;
  }

  .ek-course-summary dl {
    display: block;
  }

  .ek-course-summary dt {
    padding-bottom: .15rem;
    border-bottom: 0;
  }

  .ek-course-summary dd {
    padding-top: .15rem;
  }

  .ek-course-curriculum {
    overflow-x: auto;
  }

  .ek-course-curriculum table {
    min-width: 560px;
  }

  .ek-course-front-notice a {
    flex-wrap: wrap;
    gap: .45rem .75rem;
  }

  .ek-course-front-notice__title {
    flex-basis: calc(100% - 8rem);
  }

  .ek-course-front-notice__link {
    width: 100%;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ek-course-page *,
  .ek-course-archive *,
  .ek-course-front-notice * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}