/* ============================================
   受賞クリエイター登壇セミナー — seminar.css
   ============================================ */

:root {
  --sm-ink: #17372b;
  --sm-green: #214f3c;
  --sm-green-bright: #78bd78;
  --sm-cream: #fffaf1;
  --sm-paper: #fffdf8;
  --sm-gold: #dcae4e;
  --sm-pink: #e9a1b8;
  --sm-line: rgba(33, 79, 60, 0.15);
}

.sm-page {
  overflow: hidden;
  background: var(--sm-paper);
  color: #2c4037;
}

.sm-container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.sm-eyebrow,
.sm-kicker {
  margin: 0 0 12px;
  color: #9a7041;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sm-section-title {
  margin: 0;
  color: var(--sm-ink);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.sm-heading-group {
  margin-bottom: 36px;
}

.sm-heading-group > p:last-child {
  max-width: 720px;
  margin: 16px 0 0;
  line-height: 1.95;
}

.sm-mobile-only {
  display: none;
}

.sm-hero {
  position: relative;
  min-height: min(820px, calc(100vh - 70px));
  display: flex;
  align-items: center;
  isolation: isolate;
  background: #102b21;
}

.sm-hero__visual,
.sm-hero__shade {
  position: absolute;
  inset: 0;
}

.sm-hero__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  z-index: -3;
}

.sm-hero__shot {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.sm-hero__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

.sm-hero__shot--quest img {
  object-position: 44% center;
}

.sm-hero__shot--fantasy img {
  object-position: 55% center;
}

.sm-hero__shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(13, 38, 29, 0.95) 0%, rgba(13, 38, 29, 0.8) 43%, rgba(13, 38, 29, 0.32) 74%, rgba(13, 38, 29, 0.28) 100%),
    linear-gradient(0deg, rgba(13, 38, 29, 0.48), transparent 45%);
}

.sm-hero__inner {
  padding: 82px 0 94px;
}

.sm-kicker {
  color: #f4d9a3;
}

.sm-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #fff;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: clamp(3.1rem, 8vw, 6.8rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

.sm-hero__subtitle {
  margin: 22px 0 0;
  color: #fff;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.5;
}

.sm-hero__lead {
  max-width: 670px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1rem;
  line-height: 1.9;
}

.sm-event-facts {
  display: flex;
  gap: 0;
  width: fit-content;
  max-width: 100%;
  margin: 32px 0 0;
  padding: 0;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 12px;
  background: rgba(10, 35, 26, 0.38);
  backdrop-filter: blur(10px);
}

.sm-event-facts > div {
  padding: 13px 19px;
}

.sm-event-facts > div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.sm-event-facts dt {
  margin-bottom: 3px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.68rem;
  font-weight: 700;
}

.sm-event-facts dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.sm-event-facts dd strong {
  color: #fff0b7;
  font-size: 1.08rem;
}

.sm-hero__actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 30px;
}

.sm-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 900;
}

.sm-button--pending {
  color: #455b51;
  background: #e7ebe8;
  border: 1px solid rgba(255, 255, 255, 0.55);
  cursor: not-allowed;
}

.sm-button--dark {
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.22);
}

.sm-text-link {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.45);
  text-underline-offset: 5px;
}

.sm-text-link:hover {
  color: #f4d9a3;
}

.sm-intro,
.sm-learnings,
.sm-speakers,
.sm-city-voice,
.sm-program,
.sm-audience,
.sm-details,
.sm-faq {
  padding: 88px 0;
}

.sm-intro {
  background: var(--sm-cream);
}

.sm-intro__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 76px;
  align-items: start;
}

.sm-intro__copy p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 2.05;
}

.sm-intro__copy p + p {
  margin-top: 14px;
}

.sm-learnings {
  background: #fff;
}

.sm-learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.sm-learning-card {
  position: relative;
  min-height: 300px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--sm-line);
  border-radius: 20px;
  background: #fffdf8;
  box-shadow: 0 16px 42px rgba(30, 66, 51, 0.08);
}

.sm-learning-card::after {
  content: '';
  position: absolute;
  right: -38px;
  bottom: -48px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(120, 189, 120, 0.12);
}

.sm-learning-card:nth-child(2)::after {
  background: rgba(233, 161, 184, 0.16);
}

.sm-learning-card:nth-child(3)::after {
  background: rgba(220, 174, 78, 0.14);
}

.sm-learning-card__number {
  color: var(--sm-green-bright);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.sm-learning-card h3 {
  margin: 34px 0 16px;
  color: var(--sm-ink);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 1.35rem;
  line-height: 1.55;
}

.sm-learning-card p {
  margin: 0;
  line-height: 1.85;
}

.sm-speakers {
  color: rgba(255, 255, 255, 0.84);
  background: var(--sm-ink);
}

.sm-heading-group--light .sm-eyebrow {
  color: #f2ca7a;
}

.sm-heading-group--light .sm-section-title {
  color: #fff;
}

.sm-speaker-list {
  display: grid;
  gap: 32px;
}

.sm-speaker-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  min-height: 430px;
  overflow: hidden;
  border-radius: 24px;
  background: #fffdf8;
  color: #32463d;
}

.sm-speaker-card--reverse {
  grid-template-columns: minmax(340px, 0.92fr) minmax(0, 1.08fr);
}

.sm-speaker-card--reverse .sm-speaker-card__media {
  order: 2;
}

.sm-speaker-card__media {
  position: relative;
  display: block;
  min-height: 100%;
  overflow: hidden;
  background: #0e281f;
}

.sm-speaker-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 29, 21, 0.42), transparent 55%);
}

.sm-speaker-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.sm-speaker-card__media:hover img {
  transform: scale(1.035);
}

.sm-speaker-card__media span {
  position: absolute;
  z-index: 1;
  right: 22px;
  bottom: 22px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--sm-green);
  font-size: 0.88rem;
  font-weight: 900;
}

.sm-speaker-card__body {
  align-self: center;
  padding: 38px;
}

.sm-badge {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(220, 174, 78, 0.17);
  color: #89631d;
  font-size: 0.76rem;
  font-weight: 900;
}

.sm-speaker-card h3 {
  margin: 0;
  color: var(--sm-ink);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.5;
}

.sm-speaker-card__name {
  margin: 6px 0 20px;
  color: var(--sm-green);
  font-size: 1.14rem;
  font-weight: 900;
}

.sm-speaker-card__name small {
  font-size: 0.7em;
}

.sm-speaker-card__body > p:not(.sm-badge, .sm-speaker-card__name) {
  line-height: 1.85;
}

.sm-topic-list {
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--sm-line);
  list-style: none;
}

.sm-topic-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.8;
}

.sm-topic-list li::before {
  content: '';
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sm-green-bright);
}

.sm-city-voice {
  background: #f6e8e8;
}

.sm-city-voice__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 70px;
  align-items: center;
}

.sm-city-voice__mark {
  display: grid;
  width: 260px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--sm-pink);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  box-shadow: 24px 24px 0 rgba(255, 255, 255, 0.52);
}

.sm-city-voice__inner > div:last-child > p:last-child {
  max-width: 690px;
  margin: 20px 0 0;
  line-height: 2;
}

.sm-program {
  background: var(--sm-cream);
}

.sm-program__layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 88px;
}

.sm-program__heading {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sm-program__heading > p:last-child {
  margin: 18px 0 0;
  line-height: 1.9;
}

.sm-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sm-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 0 0 34px;
}

.sm-timeline li:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 34px;
  bottom: 2px;
  left: 44px;
  width: 1px;
  background: rgba(33, 79, 60, 0.2);
}

.sm-timeline time {
  position: relative;
  z-index: 1;
  display: grid;
  width: 90px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--sm-line);
  border-radius: 999px;
  color: var(--sm-green);
  background: #fff;
  font-weight: 900;
}

.sm-timeline h3 {
  margin: 4px 0 7px;
  color: var(--sm-ink);
  font-size: 1.12rem;
}

.sm-timeline p {
  margin: 0;
  color: #63736c;
  line-height: 1.7;
}

.sm-audience {
  background: #fff;
}

.sm-audience-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sm-audience-list li {
  display: flex;
  gap: 13px;
  align-items: center;
  min-height: 74px;
  padding: 17px 22px;
  border: 1px solid var(--sm-line);
  border-radius: 14px;
  background: #fffdf8;
  font-weight: 700;
}

.sm-audience-list span {
  display: grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--sm-green-bright);
}

.sm-details {
  background: var(--sm-green);
}

.sm-details__panel {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 28px 70px;
  padding: 54px;
  border-radius: 28px;
  background: var(--sm-paper);
  box-shadow: 0 24px 70px rgba(6, 28, 19, 0.22);
}

.sm-details__list {
  margin: 0;
}

.sm-details__list > div {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  padding: 17px 0;
  border-bottom: 1px solid var(--sm-line);
}

.sm-details__list dt {
  color: #718078;
  font-size: 0.82rem;
  font-weight: 700;
}

.sm-details__list dd {
  margin: 0;
  color: var(--sm-ink);
  font-weight: 700;
  line-height: 1.7;
}

.sm-registration {
  grid-column: 1 / -1;
  margin-top: 12px;
  padding: 28px;
  border-radius: 18px;
  color: #fff;
  background: var(--sm-ink);
  text-align: center;
}

.sm-registration__label {
  margin: 0;
  color: #f2ca7a;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.sm-registration > p:not(.sm-registration__label) {
  margin: 8px 0 18px;
}

.sm-faq {
  background: var(--sm-cream);
}

.sm-faq__layout {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 80px;
}

.sm-faq__list details {
  border-bottom: 1px solid var(--sm-line);
}

.sm-faq__list summary {
  position: relative;
  padding: 22px 42px 22px 0;
  color: var(--sm-ink);
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

.sm-faq__list summary::-webkit-details-marker {
  display: none;
}

.sm-faq__list summary::after {
  content: '+';
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  color: var(--sm-green);
  font-size: 1.4rem;
}

.sm-faq__list details[open] summary::after {
  content: '−';
}

.sm-faq__list details p {
  margin: -6px 0 22px;
  padding-right: 40px;
  color: #5f7068;
  line-height: 1.9;
}

.sm-footer {
  background: #102b21;
}

@media (max-width: 960px) {
  .sm-hero {
    min-height: 760px;
  }

  .sm-intro__grid,
  .sm-program__layout,
  .sm-faq__layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .sm-learning-grid {
    grid-template-columns: 1fr;
  }

  .sm-learning-card {
    min-height: auto;
  }

  .sm-speaker-card,
  .sm-speaker-card--reverse {
    grid-template-columns: 1fr;
  }

  .sm-speaker-card__media,
  .sm-speaker-card--reverse .sm-speaker-card__media {
    order: 0;
    min-height: auto;
    aspect-ratio: 16 / 9;
  }

  .sm-city-voice__inner {
    grid-template-columns: 200px 1fr;
    gap: 48px;
  }

  .sm-city-voice__mark {
    width: 180px;
    font-size: 3rem;
  }

  .sm-program__heading {
    position: static;
  }

  .sm-details__panel {
    grid-template-columns: 1fr;
  }

  .sm-registration {
    grid-column: auto;
  }
}

@media (max-width: 767px) {
  .sm-container {
    width: min(100% - 28px, 1120px);
  }

  .sm-mobile-only {
    display: block;
  }

  .sm-hero {
    min-height: 760px;
    align-items: flex-end;
  }

  .sm-hero__visual {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }

  .sm-hero__shade {
    background: linear-gradient(0deg, rgba(11, 37, 27, 0.98) 0%, rgba(11, 37, 27, 0.87) 58%, rgba(11, 37, 27, 0.32) 100%);
  }

  .sm-hero__inner {
    padding: 70px 0 44px;
  }

  .sm-hero h1 {
    font-size: clamp(2.7rem, 14vw, 4.4rem);
  }

  .sm-hero__lead br {
    display: none;
  }

  .sm-event-facts {
    display: grid;
    width: 100%;
  }

  .sm-event-facts > div {
    display: grid;
    grid-template-columns: 72px 1fr;
    align-items: center;
    padding: 10px 14px;
  }

  .sm-event-facts > div + div {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 0;
  }

  .sm-event-facts dt {
    margin: 0;
  }

  .sm-hero__actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .sm-intro,
  .sm-learnings,
  .sm-speakers,
  .sm-city-voice,
  .sm-program,
  .sm-audience,
  .sm-details,
  .sm-faq {
    padding: 58px 0;
  }

  .sm-intro__copy p {
    font-size: 1rem;
  }

  .sm-learning-card {
    padding: 24px;
  }

  .sm-speaker-card {
    border-radius: 18px;
  }

  .sm-speaker-card__body {
    padding: 26px 20px;
  }

  .sm-city-voice__inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .sm-city-voice__mark {
    width: 150px;
    margin-left: 12px;
    font-size: 2.5rem;
    box-shadow: 16px 16px 0 rgba(255, 255, 255, 0.52);
  }

  .sm-audience-list {
    grid-template-columns: 1fr;
  }

  .sm-details__panel {
    gap: 24px;
    padding: 30px 20px 20px;
    border-radius: 20px;
  }

  .sm-details__list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .sm-registration {
    padding: 24px 16px;
  }

  .sm-button {
    width: 100%;
    padding: 0 16px;
  }

  .sm-timeline li {
    grid-template-columns: 76px 1fr;
    gap: 16px;
  }

  .sm-timeline li:not(:last-child)::before {
    left: 37px;
  }

  .sm-timeline time {
    width: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sm-speaker-card__media img {
    transition: none;
  }
}