:root {
  --primary: #2147d6;
  --primary-dark: #132d8f;
  --accent: #f6c85d;
  --accent-strong: #e9ad3f;
  --bg: #f5f7ff;
  --text: #14213d;
  --muted: #5b6788;
  --white: #ffffff;
  --dark: #0d1430;
  --border: rgba(33, 71, 214, 0.12);
  --shadow: 0 20px 50px rgba(19, 45, 143, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  position: relative;
  color: var(--white);
  padding: 88px 0 72px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('../images/hero-visual.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 720px);
  gap: 40px;
  align-items: center;
}

.eyebrow,
.section-heading__sub {
  display: inline-block;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-heading__sub--highlight {
  padding: 8px 16px;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--primary-dark);
  background: linear-gradient(180deg, rgba(255, 212, 79, 0.18) 0%, rgba(255, 212, 79, 0.58) 100%);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 1.08;
  font-weight: 900;
}

.hero h1 span {
  color: #ffd14f;
}

.hero__lead {
  margin: 24px 0 18px;
  font-size: clamp(1rem, 2.1vw, 1.6rem);
  font-weight: 700;
}

.hero__sub {
  margin: 0 0 28px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero__sub strong {
  color: #ffe066;
}

.hero__actions,
.cta__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary,
.btn--secondary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #1a1a1a;
  box-shadow: 0 14px 30px rgba(255, 180, 0, 0.28);
}

.btn--ghost,
.btn--ghost-light {
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn--ghost-light {
  border-color: rgba(255, 255, 255, 0.5);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 0;
}

.hero__meta div,
.card,
.info-box,
.speaker-card,
.timeline article {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  backdrop-filter: blur(8px);
}

.hero__meta div {
  padding: 18px;
}

.hero__meta dt {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
}

.hero__meta dd {
  margin: 8px 0 0;
  font-weight: 700;
}

.hero-info-bar {
  position: relative;
  z-index: 2;
  margin-top: -34px;
  padding: 0 0 18px;
}

.hero-info-panel {
  padding: 34px 28px 28px;
  background: linear-gradient(135deg, #cc7ab3 0%, #b47dd8 100%);
  color: var(--white);
  box-shadow: 0 18px 40px rgba(20, 33, 61, 0.14);
}

.hero-info-panel__date-row {
  display: block;
}

.hero-info-panel__date,
.hero-info-panel__time,
.hero-info-panel__place,
.hero-info-panel__address {
  margin: 0;
}

.hero-info-panel__date {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
}

.hero-info-panel__time {
  margin: 10px 0 0;
  text-align: left;
  font-size: clamp(1.15rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
}

.hero-info-panel__time span {
  font-size: 0.9em;
}

.hero-info-panel__place {
  margin-top: 24px;
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
}

.hero-info-panel__address {
  margin-top: 8px;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  font-weight: 700;
  line-height: 1.5;
}

.hero-info-panel__cta {
  margin-top: 24px;
}

.hero-info-panel__cta-note {
  margin: 10px 0 0;
  text-align: center;
  color: var(--white);
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.hero-info-panel__cta .btn {
  width: 100%;
  min-height: 72px;
  border-radius: 14px;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  box-shadow: none;
}

.cta-text-mobile {
  display: none;
}

.section {
  padding: 72px 0;
}

.section--highlight {
  background: var(--bg);
}

.section--dark {
  background: linear-gradient(135deg, #121a3a, #202e72);
  color: var(--white);
}

.section--soft {
  background: linear-gradient(180deg, #f7f9ff 0%, #eef3ff 100%);
}

.section--accent {
  background: linear-gradient(135deg, #2649d8, #6d45e0);
  color: var(--white);
}

.section-heading {
  text-align: center;
  margin-bottom: 30px;
}

.section-heading.left {
  text-align: left;
}

.section-heading h2,
.cta h2,
.footer h2 {
  margin: 0;
  line-height: 1.3;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.mobile-only {
  display: none;
}

.cards {
  display: grid;
  gap: 24px;
}

.cards--3 {
  grid-template-columns: 1fr;
}

.cards--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.speaker-card {
  padding: 28px;
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(20, 33, 61, 0.06);
}

.problem-block .card {
  max-width: 860px;
  margin: 0 auto;
  padding: 18px 22px;
  border-radius: 0;
  box-shadow: 12px 12px 0 rgba(20, 33, 61, 0.2), 18px 18px 36px rgba(20, 33, 61, 0.18);
}

.problem-block {
  display: grid;
  gap: 16px;
}

.problem-block .card {
  text-align: center;
}

.problem-block__heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.problem-block__heading i {
  flex-shrink: 0;
  position: relative;
  top: -4px;
}

.problem-block:nth-child(2) .problem-block__heading h3 {
  font-size: clamp(1.18rem, 2.2vw, 1.82rem);
}

.problem-block__image {
  width: 100%;
  border-radius: 0;
  object-fit: cover;
}

.speaker-card--photo {
  display: grid;
  grid-template-columns: minmax(180px, 220px) 1fr;
  gap: 24px;
  align-items: center;
}

.card i {
  font-size: 1.75rem;
  color: var(--primary);
}

.card h3,
.speaker-card h3,
.timeline h3,
.info-box h3 {
  margin: 14px 0 10px;
}

.problem-block .card h3 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 900;
  line-height: 1.3;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 28px;
  align-items: start;
}

.section--reason {
  background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
}

.reason-summary {
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(33, 71, 214, 0.06), rgba(109, 69, 224, 0.12));
  border: 1px solid rgba(33, 71, 214, 0.12);
  box-shadow: 0 18px 40px rgba(20, 33, 61, 0.07);
}

.reason-summary__eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.reason-summary h3 {
  margin: 0 0 18px;
  font-size: 1.35rem;
  line-height: 1.4;
}

.reason-summary .check-list li {
  margin-bottom: 18px;
  color: var(--text);
}

.reason-summary .check-list li:last-child {
  margin-bottom: 0;
}

.section--value {
  background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
}

.reason-summary--standalone {
  max-width: 880px;
  margin: 0 auto;
}

.reason-feature-list {
  gap: 20px;
}

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

.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 16px;
  font-weight: 500;
}

.check-list li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--primary);
}

.message-box,
.story-box,
.org-box {
  margin-top: 22px;
  padding: 24px 28px;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(20, 33, 61, 0.06);
}

.story-box {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  padding: 30px 34px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
    url('../images/message-bg-latest.png') center/cover no-repeat;
  box-shadow: 16px 16px 34px rgba(20, 33, 61, 0.14);
}

.story-box::after {
  content: '';
  position: absolute;
  top: 14px;
  right: 14px;
  bottom: 14px;
  left: 14px;
  border: 2.5px solid rgba(33, 71, 214, 0.38);
  pointer-events: none;
}

.overview-message {
  margin: 24px 0 0;
  text-align: center;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.8;
  font-weight: 500;
}

.overview-message strong {
  display: inline-block;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 900;
  line-height: 1.5;
  color: var(--primary-dark);
}

.overview-message__mobile {
  display: none;
}

.overview-value {
  max-width: 880px;
  margin: 24px auto 0;
  padding: 28px;
  border-radius: 0;
  background: linear-gradient(135deg, rgba(33, 71, 214, 0.06), rgba(109, 69, 224, 0.12));
  border: 1px solid rgba(33, 71, 214, 0.12);
  box-shadow: 0 18px 40px rgba(20, 33, 61, 0.07);
}

.overview-value__eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.overview-value h3 {
  margin: 0 0 18px;
  font-size: 1.35rem;
  line-height: 1.4;
}

.message-box p,
.story-box p,
.org-box p {
  position: relative;
  z-index: 1;
  margin: 0;
}

.story-box p {
  font-size: 1.06rem;
  line-height: 1.95;
  font-weight: 500;
  color: #0f1c38;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.45);
}

.story-box p + p,
.org-box p + p {
  margin-top: 18px;
}

.text-emphasis-red {
  color: #d92d20;
  font-weight: 700;
}

.section-intro {
  margin: 0 0 24px;
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 24px;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(20, 33, 61, 0.06);
}

.feature-item__num {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), #6e39d4);
  color: var(--white);
  font-weight: 900;
  font-size: 1.2rem;
}

.feature-item h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
}

.info-box {
  padding: 30px;
  background: linear-gradient(180deg, #ffffff, #f4f7ff);
}

.map-block {
  margin-top: 22px;
}

.map-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.map-block__header h4 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
}

.map-block__header a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.map-block__header a:hover {
  text-decoration: underline;
}

.map-block iframe {
  width: 100%;
  height: 320px;
  border: 0;
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(20, 33, 61, 0.08);
}

.info-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(20, 33, 61, 0.1);
}

.info-list div:last-child {
  border-bottom: none;
}

.info-list dt {
  font-weight: 700;
}

.info-list dd {
  margin: 0;
  color: var(--muted);
}

.speaker-card {
  background: rgba(255, 255, 255, 0.96);
}

.speaker-card__photo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.speaker-card__photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  background: url('../images/speaker-bg.jpg') center/cover no-repeat;
  border: 6px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.14);
}

.speaker-card__body h3 {
  margin-top: 12px;
}

.org-box {
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.96);
  color: #24345f;
}

.org-box h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--text);
}

.org-box p {
  color: #24345f;
  line-height: 1.9;
}

.speaker-card__label {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(33, 71, 214, 0.1);
  color: var(--primary-dark);
  font-size: 0.86rem;
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline article {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(20, 33, 61, 0.05);
}

.timeline span {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--primary);
}

.timeline-arrow {
  text-align: center;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.85;
}

.cta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.footer {
  background: #050607;
  color: rgba(255, 255, 255, 0.85);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__logo {
  width: auto;
  max-width: 220px;
  height: 44px;
  object-fit: contain;
  object-position: left center;
}

.footer__brand p {
  margin: 0;
}

.footer__copy {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 900px) {
  .split,
  .cta,
  .cards--3,
  .cards--2,
  .hero__meta,
  .feature-item,
  .speaker-card--photo,
  .reason-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 64px 0 56px;
  }

  .hero-info-bar {
    margin-top: -18px;
  }

  .hero-info-panel {
    padding: 30px 24px 24px;
  }

  .hero-info-panel__time {
    text-align: left;
    white-space: normal;
  }

  .hero-info-panel__place {
    font-size: clamp(1.45rem, 3.8vw, 2.4rem);
  }

  .section {
    padding: 56px 0;
  }


  .timeline article,
  .info-list div,
  .footer__inner,
  .map-block__header {
    grid-template-columns: 1fr;
    display: grid;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 0.78rem;
  }

  .section-heading__sub--highlight {
    padding: 6px 12px;
    font-size: 1rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
    line-height: 1.04;
  }

  .mobile-only {
    display: inline;
  }

  .hero__lead {
    margin: 16px 0 12px;
    font-size: 0.92rem;
  }

  .hero__sub {
    margin: 0 0 18px;
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .hero {
    min-height: 60vh;
    padding: 44px 0 20px;
    background:
      linear-gradient(rgba(8, 14, 36, 0.32), rgba(8, 14, 36, 0.32)),
      url('../images/hero-visual.jpg') 88% center / cover no-repeat;
  }

  .hero-info-bar {
    margin-top: 0;
    padding-bottom: 10px;
  }

  .hero-info-panel {
    padding: 24px 18px 18px;
  }

  .hero-info-panel__date {
    font-size: clamp(1.7rem, 8vw, 2.3rem);
  }

  .hero-info-panel__time {
    margin-top: 8px;
    font-size: 1rem;
    white-space: normal;
  }

  .hero-info-panel__place {
    margin-top: 18px;
    font-size: 1.3rem;
    line-height: 1.35;
  }

  .hero-info-panel__address {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-info-panel__cta .btn {
    min-height: 62px;
    font-size: 1.9rem;
  }

  .hero-info-panel__cta-note {
    margin-top: 8px;
    font-size: 1.08rem;
  }

  .cta-text-desktop {
    display: none;
  }

  .cta-text-mobile {
    display: inline;
  }

  .problem-block__heading {
    gap: 8px;
    align-items: flex-start;
  }

  .problem-block .card h3 {
    font-size: 1.12rem;
    line-height: 1.28;
  }

  .problem-block:nth-child(2) .problem-block__heading h3 {
    font-size: 0.84rem;
  }

  .overview-message {
    line-height: 1.65;
  }

  .overview-message__emphasis {
    display: inline-block;
  }

  .btn {
    width: 100%;
  }

  .card,
  .speaker-card,
  .info-box,
  .timeline article,
  .message-box,
  .story-box,
  .org-box,
  .feature-item,
  .speaker-card__photo {
    border-radius: 20px;
  }

  .problem-block .card {
    padding: 16px 16px 18px;
  }

  .problem-block__image {
    border-radius: 0;
  }

  .speaker-card__photo {
    min-height: 220px;
  }

  .speaker-card__photo img {
    max-height: 240px;
  }

  .feature-item__num {
    width: 60px;
    height: 60px;
    border-radius: 16px;
  }
}