:root {
  --navy: #071b36;
  --navy-2: #0f355f;
  --navy-3: #031127;
  --blue: #eaf6fb;
  --blue-2: #cfe8f5;
  --gold: #f3c744;
  --gold-2: #ffe38a;
  --ink: #071b36;
  --muted: #56697b;
  --line: rgba(7, 27, 54, 0.14);
  --paper: #fbfdff;
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(7, 27, 54, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  background: #f3f8fb;
}

a {
  color: inherit;
}

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

.lp-page {
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(243, 199, 68, 0.13), transparent 22%),
    linear-gradient(90deg, rgba(7, 27, 54, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(7, 27, 54, 0.04) 1px, transparent 1px),
    #f6fafc;
  background-size: auto, 72px 72px, 72px 72px, auto;
}

.hero {
  position: relative;
  min-height: 820px;
  color: var(--white);
  background: var(--navy-3);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: calc(clamp(76px, 8vw, 142px) + 3px);
  background: var(--paper);
  clip-path: polygon(0 62%, 100% 18%, 100% 100%, 0 100%);
  z-index: 1;
}

.hero__visual {
  position: absolute;
  inset: 0;
  opacity: 0.92;
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 17, 39, 0.96) 0%, rgba(3, 17, 39, 0.8) 42%, rgba(3, 17, 39, 0.18) 100%),
    radial-gradient(circle at 18% 22%, rgba(243, 199, 68, 0.18), transparent 22%);
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero__inner,
.section__inner,
.final-cta__inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 78px 0 150px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 46px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.site-brand__logo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  overflow: hidden;
  width: 76px;
  height: 52px;
  padding: 7px 9px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

.site-brand__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform: scale(2.08);
}

.site-nav nav,
.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a,
.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  font-weight: 900;
  text-decoration: none;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--gold);
}

.eyebrow,
.section-label {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.55rem, 5.1vw, 5rem);
  line-height: 1.06;
  letter-spacing: 0;
  word-break: keep-all;
}

.hero h1 span {
  display: block;
  width: max-content;
  max-width: 100%;
}

.hero h1 .title-line--mobile {
  display: none;
}

.hero__lead {
  max-width: 720px;
  margin: 30px 0 0;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  font-weight: 900;
}

.hero__context {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.04rem;
  font-weight: 800;
}

.hero__event-board {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
  max-width: 870px;
  margin-top: 42px;
}

.hero__date-card {
  display: grid;
  align-content: center;
  min-height: 202px;
  padding: 25px 28px;
  border: 1px solid rgba(243, 199, 68, 0.7);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(243, 199, 68, 0.22), rgba(255, 255, 255, 0.06)),
    rgba(7, 27, 54, 0.48);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}

.hero__date-card span,
.hero__date-card em {
  color: rgba(255, 255, 255, 0.86);
  font-style: normal;
  font-weight: 900;
}

.hero__date-card strong {
  color: var(--gold);
  font-size: clamp(3.9rem, 6.6vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero__date-card em {
  margin-top: 12px;
  font-size: 0.98rem;
}

.hero__summary {
  display: grid;
  gap: 10px;
}

.hero__summary p {
  min-height: 60px;
  margin: 0;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.hero__summary span {
  display: block;
  margin-bottom: 3px;
  color: var(--gold-2);
  font-size: 0.78rem;
  font-weight: 900;
}

.hero__actions {
  display: inline-grid;
  align-items: start;
  margin-top: 34px;
  grid-template-columns: auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 15px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 900;
  line-height: 1.4;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button--primary,
.button--gold {
  color: var(--navy);
  background: var(--gold);
  box-shadow: 0 18px 34px rgba(243, 199, 68, 0.26);
}

.button--outline {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.button--outline:hover {
  background: rgba(255, 255, 255, 0.18);
}

.section {
  position: relative;
  padding: 94px 0;
  background: var(--paper);
}

.section__inner {
  position: relative;
  z-index: 1;
}

.section h2,
.final-cta h2 {
  max-width: 900px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.9rem, 3.3vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
}

.phrase {
  white-space: nowrap;
}

.section-label {
  color: var(--navy-2);
}

.section--reality {
  margin-top: -1px;
  background:
    radial-gradient(circle at 88% 16%, rgba(243, 199, 68, 0.17), transparent 18%),
    linear-gradient(120deg, var(--paper) 0 64%, rgba(207, 232, 245, 0.7) 64.2% 75%, var(--paper) 75.2%);
}

.reality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 44px;
}

.reality-card {
  min-height: 210px;
  padding: 0 0 0 24px;
  border-left: 2px solid rgba(243, 199, 68, 0.8);
}

.reality-card span {
  display: block;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 1.18rem;
  font-weight: 900;
}

.reality-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.section--intro {
  background:
    linear-gradient(155deg, rgba(7, 27, 54, 0.04) 0 42%, rgba(207, 232, 245, 0.58) 42.2% 64%, rgba(255, 255, 255, 0) 64.2%),
    var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 38px;
  margin-top: 44px;
  counter-reset: why;
}

.intro-grid p {
  position: relative;
  margin: 0;
  padding: 10px 0 0 74px;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 800;
}

.intro-grid p::before {
  counter-increment: why;
  content: "0" counter(why);
  position: absolute;
  top: 0;
  left: 0;
  color: var(--gold);
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
}

.card-grid {
  display: grid;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.card-grid--two {
  grid-template-columns: 1fr;
}

.check-card {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 22px;
  align-items: center;
  min-height: 92px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.check-card__mark {
  color: var(--gold);
  font-size: 1.7rem;
  font-weight: 900;
}

.check-card p {
  margin: 0;
  color: var(--navy);
  font-size: 1.06rem;
  font-weight: 900;
}

.section--blue {
  color: var(--white);
  background:
    linear-gradient(150deg, transparent 0 56%, rgba(243, 199, 68, 0.1) 56.2% 64%, transparent 64.2%),
    linear-gradient(135deg, rgba(7, 27, 54, 0.98), rgba(15, 53, 95, 0.95)),
    var(--navy);
}

.section--blue .section-label,
.section--blue h2 {
  color: var(--white);
}

.learn-list {
  display: grid;
  gap: 0;
  margin-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.learn-card {
  position: relative;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  min-height: auto;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.learn-card span {
  color: var(--gold);
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1;
}

.learn-card h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.5;
}

.learn-card p {
  grid-column: 2;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 800;
}

.section-cta {
  margin-top: 42px;
  text-align: center;
}

.speaker {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 42px;
}

.speaker__photo {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  background: var(--blue-2);
  box-shadow: var(--shadow);
}

.speaker__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.speaker__role {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 13px;
  border-radius: 999px;
  color: var(--navy);
  background: var(--gold);
  font-size: 0.88rem;
  font-weight: 900;
}

.speaker h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.18;
}

.speaker p {
  margin: 0;
}

.speaker__point {
  margin-top: 26px;
  padding: 24px 0 0;
  border-top: 2px solid var(--gold);
}

.speaker__point strong,
.speaker__point span {
  display: block;
}

.speaker__point strong {
  color: var(--navy);
  line-height: 1.6;
}

.speaker__point span,
.speaker__theme {
  color: var(--muted);
  font-weight: 800;
}

.speaker__point span {
  margin-top: 8px;
}

.speaker__theme {
  margin-top: 22px !important;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.section--outline {
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0) 0 60%, rgba(207, 232, 245, 0.72) 60.2% 78%, rgba(255, 255, 255, 0) 78.2%),
    #f2f6f9;
}

.outline {
  display: grid;
  gap: 0;
  margin: 42px 0 0;
  border-top: 1px solid var(--line);
}

.outline div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  min-height: 76px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.outline__highlight dd {
  color: var(--navy);
}

.outline dt {
  color: var(--navy-2);
  font-weight: 900;
}

.outline dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 900;
}

.section--flyer {
  color: var(--white);
  background:
    linear-gradient(150deg, transparent 0 60%, rgba(243, 199, 68, 0.12) 60.2% 67%, transparent 67.2%),
    linear-gradient(135deg, rgba(7, 27, 54, 0.98), rgba(15, 53, 95, 0.94)),
    var(--navy);
}

.section--flyer .section-label,
.section--flyer h2 {
  color: var(--white);
}

.flyer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: center;
}

.flyer-copy p:not(.section-label) {
  max-width: 620px;
  margin: 24px 0 30px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.05rem;
  font-weight: 800;
}

.flyer-preview {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
  transform: rotate(1.2deg);
}

.flyer-preview img {
  width: 100%;
  border-radius: 7px;
}

.final-cta {
  padding: 98px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 12%, rgba(243, 199, 68, 0.16), transparent 22%),
    linear-gradient(135deg, rgba(7, 27, 54, 0.99), rgba(15, 53, 95, 0.95)),
    var(--navy);
}

.final-cta h2 {
  color: var(--white);
}

.final-cta p:not(.eyebrow) {
  max-width: 720px;
  margin: 24px 0 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.1rem;
}

.footer-links {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .hero__inner {
    padding: 58px 0 120px;
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 7.4vw, 3.9rem);
  }

  .hero__actions {
    grid-template-columns: 1fr;
  }

  .hero__event-board,
  .reality-grid,
  .intro-grid,
  .speaker,
  .flyer-layout {
    grid-template-columns: 1fr;
  }

  .speaker__photo,
  .flyer-preview {
    width: min(420px, 100%);
  }

  .flyer-preview {
    transform: none;
  }
}

@media (max-width: 560px) {
  .hero__inner,
  .section__inner,
  .final-cta__inner {
    width: min(100% - 28px, 1120px);
  }

  .hero__inner {
    padding: 38px 0 96px;
  }

  .section,
  .final-cta {
    padding: 66px 0;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 10.5vw, 3rem);
  }

  .hero h1 span {
    width: auto;
  }

  .hero h1 .title-line--desktop {
    display: none;
  }

  .hero h1 .title-line--mobile {
    display: block;
  }

  .hero__context,
  .hero__lead {
    font-size: 1rem;
  }

  .hero__date-card {
    min-height: 138px;
    padding: 20px;
  }

  .hero__date-card strong {
    font-size: 3.55rem;
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .button {
    padding-inline: 18px;
    text-align: center;
  }

  .reality-card {
    min-height: auto;
  }

  .intro-grid p {
    padding-left: 58px;
  }

  .intro-grid p::before {
    font-size: 2.1rem;
  }

  .check-card {
    grid-template-columns: 58px 1fr;
  }

  .learn-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .learn-card p {
    grid-column: auto;
  }

  .outline div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}