:root {
  --red: #e62e2d;
  --red-dark: #bf1f1e;
  --ink: #1f2933;
  --text: #333333;
  --muted: #667085;
  --line: #e7eaf0;
  --soft: #f6f7f9;
  --card: #ffffff;
  --black: #111827;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
  --shadow-soft: 0 8px 24px rgba(17, 24, 39, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

body.has-mobile-cta {
  padding-bottom: 76px;
}

a {
  color: inherit;
  text-decoration: none;
}

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

p,
dl,
ul {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(231, 234, 240, 0.9);
  backdrop-filter: blur(14px);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  font-weight: 800;
  white-space: nowrap;
}

.site-logo img {
  width: 154px;
  height: auto;
}

.site-logo span {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-family: "fot-tsukuardgothic-std", sans-serif;
  font-weight: 700;
  font-style: normal;
}

.menu-toggle {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a {
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--red);
}

.nav-cta {
  padding: 8px 16px;
  background: var(--red);
  color: #fff;
  border-radius: 4px;
}

.nav-cta:hover {
  color: #fff;
  background: var(--red-dark);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0 42%, rgba(255, 255, 255, 0.78) 54%, rgba(255, 255, 255, 0.16) 100%),
    url("../img/hero-bg.png") center / cover no-repeat;
}

.hero::before {
  content: "";
  display: none;
  position: absolute;
  top: 54px;
  right: max(-110px, calc((100vw - 1180px) / 2 - 160px));
  width: min(52vw, 680px);
  height: 62%;
  background: var(--red);
  clip-path: polygon(22% 0, 100% 0, 78% 100%, 0 100%);
  opacity: 0.98;
}

.hero::after {
  content: "";
  display: none;
  position: absolute;
  right: max(-120px, calc((100vw - 1180px) / 2 - 220px));
  bottom: 0;
  width: min(52vw, 720px);
  height: 38%;
  background: #061c35;
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
}

.hero__inner,
.section__inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.82fr);
  align-items: center;
  gap: 36px;
}

.hero__content,
.narrow {
  max-width: 760px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--red);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 8px 14px;
  background: var(--red);
  color: #fff;
  border: 1px solid var(--red);
  border-radius: 4px;
  box-shadow: 6px 6px 0 rgba(230, 46, 45, 0.16);
}

.hero__title-stack {
  display: block;
}

.upright-digits {
  text-orientation: upright;
}

.text-red {
  color: var(--red);
}

.hero__kicker {
  display: inline-flex;
  margin: 22px 0 18px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  color: var(--red);
  font-family: "fot-tsukuardgothic-std", sans-serif;
  font-size: clamp(4.2rem, 9.2vw, 8.2rem);
  font-weight: 700;
  font-style: normal;
  line-height: 1;
  white-space: nowrap;
  text-shadow: 0 14px 0 rgba(230, 46, 45, 0.1);
}

h1 > span[aria-hidden="true"] {
  display: inline-flex;
  align-items: flex-start;
  position: relative;
}

h1 > span[aria-hidden="true"] > span {
  display: inline-block;
  overflow: hidden;
  inline-size: 0;
  block-size: 1.18em;
  padding-top: 0.08em;
  padding-bottom: 0.1em;
  color: var(--red);
  opacity: 0;
  animation: heroTitleType 0.01s steps(1, end) forwards;
}

h1 > span[aria-hidden="true"] > span:nth-child(1) {
  animation-delay: 0.12s;
}

h1 > span[aria-hidden="true"] > span:nth-child(2) {
  animation-delay: 1.08s;
}

h1 > span[aria-hidden="true"] > span:nth-child(3) {
  animation-delay: 1.32s;
}

h1 > span[aria-hidden="true"] > span:nth-child(4) {
  animation-delay: 1.48s;
}

h1 > span[aria-hidden="true"]::after {
  content: "";
  display: inline-block;
  visibility: visible;
  width: 0.08em;
  height: 1.18em;
  margin-left: 0.08em;
  background: var(--red);
  transform: translateY(0.08em);
  animation: heroTitleCaretLifecycle 4.5s steps(1, end) forwards;
}

@keyframes heroTitleType {
  100% {
    inline-size: 1.08em;
    opacity: 1;
  }
}

@keyframes heroTitleCaretLifecycle {
  0%,
  16%,
  32%,
  48%,
  64%,
  80% {
    width: 0.08em;
    margin-left: 0.08em;
    background: var(--red);
    opacity: 1;
    visibility: visible;
  }

  8%,
  24%,
  40%,
  56%,
  72%,
  88%,
  99% {
    opacity: 0;
    visibility: visible;
  }

  100% {
    width: 0;
    margin-left: 0;
    background: transparent;
    opacity: 0;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  h1 > span[aria-hidden="true"] > span {
    inline-size: auto;
    opacity: 1;
    animation: none;
  }

  h1 > span[aria-hidden="true"]::after {
    display: none;
  }
}

.hero__statement {
  color: var(--red);
  font-size: clamp(1.8rem, 3.7vw, 3.05rem);
  font-weight: 800;
  line-height: 1.16;
}

h2 {
  font-size: clamp(2rem, 3.4vw, 3.35rem);
}

h3 {
  font-size: 1.28rem;
}

.hero__lead {
  max-width: 680px;
  margin-top: 20px;
  color: #475467;
  font-size: 1.08rem;
}

.hero__cta-panel {
  display: contents;
}

.hero__facts,
.apply-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero__facts span,
.apply-facts span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: var(--shadow-soft);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero__facts span::before,
.apply-facts span::before,
.target-grid p::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  flex: 0 0 auto;
}

.hero__notice {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  max-width: 680px;
  margin-top: 16px;
  padding: 12px 16px;
  background: #fff;
  border: 2px solid rgba(230, 46, 45, 0.88);
  border-left-width: 6px;
  border-radius: 4px;
  box-shadow: 8px 8px 0 rgba(230, 46, 45, 0.12);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.55;
}

.hero__notice strong {
  flex: 0 0 auto;
  color: var(--red);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
  box-shadow: 7px 7px 0 rgba(17, 24, 39, 0.08);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(17, 24, 39, 0.1);
}

.button--primary {
  background: var(--red);
  color: #fff;
  box-shadow: 7px 7px 0 rgba(191, 31, 30, 0.2);
}

.button--primary:hover {
  background: var(--red-dark);
}

.button--ghost {
  background: #fff;
  color: var(--red);
  border-color: rgba(230, 46, 45, 0.42);
}

.button--ghost:hover {
  background: #fff5f5;
}

.button--large {
  min-height: 56px;
  padding: 14px 30px;
  font-size: 1.05rem;
}

.caption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero__visual {
  position: relative;
  align-self: stretch;
  min-height: 620px;
}

.photo-card {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 3;
  width: min(430px, 92%);
  margin-left: 0;
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.photo-card__person {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center top;
  filter: drop-shadow(0 24px 34px rgba(0, 0, 0, 0.3));
}

.section {
  padding: 112px 0;
}

.section--light {
  background: var(--soft);
}

#intro {
  background:
    linear-gradient(135deg, rgba(191, 31, 30, 0.98), rgba(230, 46, 45, 0.95)),
    var(--red);
  color: #fff;
}

#intro .eyebrow,
#intro h2 {
  color: #fff;
}

#intro p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.94);
}

.founding-note {
  background: #fff;
}

.founding-note__inner {
  max-width: 920px;
}

.founding-note h2 {
  max-width: 820px;
}

.founding-note p:not(.eyebrow) {
  max-width: 880px;
  color: #475467;
}

.statement-section {
  background:
    linear-gradient(180deg, #fff 0%, #fff8f8 100%);
}

.statement-panel {
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(230, 46, 45, 0.14);
  border-radius: 8px;
  box-shadow: 16px 16px 0 rgba(230, 46, 45, 0.07), var(--shadow-soft);
}

.statement-panel__head {
  max-width: 900px;
}

.statement-body {
  display: grid;
  gap: 18px;
  max-width: 900px;
  margin-top: 30px;
}

.statement-body p,
.statement-panel blockquote p {
  color: #344054;
}

.section .statement-body p + p {
  margin-top: 0;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
}

.principle-card {
  position: relative;
  overflow: hidden;
  min-height: 248px;
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 12px 12px 0 rgba(230, 46, 45, 0.08), var(--shadow-soft);
}

.principle-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 7px;
  background: var(--red);
  transform: skewX(-24deg) translateX(10px);
}

.principle-card span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--red);
  font-weight: 800;
}

.principle-card p {
  color: #475467;
  font-size: 0.95rem;
}

.statement-panel blockquote {
  margin: 38px 0 0;
  padding: 24px 28px;
  background: #111827;
  border-left: 7px solid var(--red);
  border-radius: 8px;
}

.statement-panel blockquote p {
  color: #fff;
  font-size: 1.08rem;
  font-weight: 700;
}

.section p:not(.eyebrow):not(.caption),
.section li,
.section dd {
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.section p + p,
.section h2 + p,
.section h3 + p {
  margin-top: 24px;
}

.section-head {
  position: relative;
  max-width: 960px;
  margin-bottom: 36px;
  padding-left: 26px;
}

.section-head::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 4px;
  left: 0;
  width: 9px;
  background: var(--red);
  transform: skewY(-18deg);
  transform-origin: top;
}

.section-head p:not(.eyebrow) {
  max-width: 1120px;
  margin-top: 22px;
  color: #475467;
}

.section h2 + p,
.section-head p:not(.eyebrow) {
  line-height: 1.9;
  letter-spacing: 0.04em;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-character;
  line-break: strict;
  word-break: normal;
  overflow-wrap: normal;
  text-wrap: pretty;
}

#program .section-head,
#schedule .section-head,
#target .section-head,
#overview .section-head,
#flow .section-head,
#party .section-head {
  max-width: 1120px;
}

#program h2,
#schedule h2,
#target h2,
#overview h2,
#flow h2,
#party h2 {
  max-width: 1080px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  gap: 56px;
  align-items: start;
}

.split--center {
  align-items: center;
}

.text-link {
  display: inline-flex;
  margin-top: 24px;
  color: var(--red);
  font-weight: 800;
  border-bottom: 1px solid rgba(230, 46, 45, 0.45);
}

.video-card,
.book-panel,
.feature-card,
.schedule-card,
.speaker-card,
.overview-card,
.flow-grid article,
.faq-item,
.party-card,
.share-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 12px 12px 0 rgba(230, 46, 45, 0.08), var(--shadow-soft);
}

.feature-card,
.schedule-card,
.speaker-card,
.target-grid p,
.flow-grid article {
  position: relative;
  overflow: hidden;
}

.feature-card::before,
.schedule-card::before,
.speaker-card::before,
.target-grid p::after,
.flow-grid article::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 7px;
  background: var(--red);
  transform: skewX(-24deg) translateX(10px);
}

.video-card {
  padding: 18px;
}

.video-card iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  border-radius: 6px;
}

.video-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  background: linear-gradient(135deg, #151922 0%, #303642 100%);
  color: #fff;
  border-radius: 6px;
  text-align: center;
}

.video-placeholder span {
  color: #ffb4b4;
  font-size: 0.86rem;
  font-weight: 800;
}

.video-placeholder strong {
  display: block;
  margin-top: 8px;
  font-size: 1.25rem;
}

.video-card p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.book-panel {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 22px;
  align-items: center;
  padding: 22px;
}

.book-panel img {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.about-layout {
  display: grid;
  gap: 42px;
}

.about-layout__head {
  max-width: 1120px;
}

.about-layout__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: 72px;
  align-items: start;
}

.about-layout__body > div:first-child {
  max-width: 760px;
}

.feature-grid,
.schedule-grid,
.speaker-grid,
.target-grid,
.flow-grid {
  display: grid;
  gap: 24px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  padding: 30px 24px 26px;
}

.feature-card span,
.flow-grid span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--red);
  font-weight: 800;
}

.feature-card p,
.speaker-card p,
.flow-grid p,
.party-card p {
  color: #475467;
  font-size: 0.95rem;
}

.schedule-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.schedule-card {
  padding: 32px;
}

.day-label {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  background: #fff5f5;
  color: var(--red);
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 0;
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.timeline time {
  color: var(--red);
  font-size: 0.88rem;
  font-weight: 800;
}

.timeline span {
  color: var(--ink);
  font-weight: 600;
}

.speaker-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.speaker-card {
  min-height: 136px;
  padding: 24px;
}

.speaker-card h3 {
  font-size: 1.18rem;
  line-height: 1.25;
}

.speaker-photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  margin-bottom: 18px;
  border-radius: 6px;
  object-fit: cover;
  object-position: center top;
  background: #f2f4f7;
}

.speaker-card--primary {
  border-color: rgba(230, 46, 45, 0.35);
  background: #fffafa;
}

.role {
  display: block;
  margin-top: 8px;
  padding-left: 10px;
  border-left: 3px solid var(--red);
  color: var(--red) !important;
  font-size: 0.84rem !important;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.speaker-card .role + p {
  margin-top: 14px;
}

.target-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.target-grid p {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 118px;
  height: 100%;
  margin-top: 0;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  color: var(--ink);
  font-weight: 700;
}

.section .target-grid p + p {
  margin-top: 0;
}

.overview-card {
  padding: 28px;
}

.overview-card dl {
  display: grid;
}

.overview-card div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.overview-card dt {
  color: var(--muted);
  font-weight: 800;
}

.overview-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.overview-card .button {
  width: 100%;
  margin-top: 24px;
}

.flow-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
}

.flow-grid article {
  overflow: visible;
  min-height: 240px;
  height: 100%;
  padding: 22px;
}

.flow-grid article:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -21px;
  z-index: 3;
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 16px solid var(--red);
  transform: translateY(-50%);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 20px 22px;
  background: transparent;
  border: 0;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.faq-question span {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(230, 46, 45, 0.35);
  border-radius: 50%;
  flex: 0 0 auto;
}

.faq-question span::before,
.faq-question span::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--red);
  transform: translate(-50%, -50%);
}

.faq-question span::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] span::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq-answer p {
  padding: 0 22px 22px;
  color: #475467;
}

.share-materials {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 248, 248, 0.96) 100%),
    #fff8f8;
}

.share-materials__copy {
  max-width: 720px;
}

.share-materials__copy h2 {
  max-width: 780px;
}

.share-materials__copy p:not(.eyebrow) {
  max-width: 680px;
  color: #475467;
}

.share-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-color: rgba(230, 46, 45, 0.22);
}

.share-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 8px;
  background: var(--red);
  transform: skewX(-24deg) translateX(12px);
}

.share-card::after {
  content: "SNS";
  position: absolute;
  right: 22px;
  bottom: -0.18em;
  color: rgba(230, 46, 45, 0.08);
  font-size: 7.8rem;
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.share-card__label {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 6px 10px;
  background: #fff5f5;
  color: var(--red);
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.share-card h3,
.share-card p,
.hashtag-box,
.share-card__actions {
  position: relative;
  z-index: 1;
}

.share-card h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.share-card p:not(.caption) {
  margin-top: 20px;
  color: #475467;
  font-weight: 700;
}

.hashtag-box {
  margin-top: 24px;
  padding: 18px;
  background: #fffafa;
  border: 1px solid rgba(230, 46, 45, 0.18);
  border-radius: 8px;
}

.hashtag-box span {
  display: block;
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hashtag-box ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding: 0;
  list-style: none;
}

.hashtag-box li {
  padding: 6px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.share-card__actions {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.share-card__actions .button {
  width: 100%;
}

.share-card__actions .button[aria-disabled="true"] {
  cursor: default;
}

.final-cta {
  background: var(--black);
  color: #fff;
}

.final-cta h2,
.final-cta .eyebrow {
  color: #fff;
}

.final-cta .eyebrow {
  color: #ffb4b4;
}

.apply-panel {
  max-width: 840px;
}

.apply-panel p:not(.eyebrow):not(.caption) {
  margin-top: 18px;
  color: #d9dee8;
}

.apply-panel .button {
  margin-top: 30px;
}

.apply-panel .caption {
  color: #aeb7c5;
}

.party-card {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.party {
  background: var(--red);
  color: #fff;
}

.party .eyebrow,
.party h2 {
  color: #fff;
}

.party > .section__inner > div:first-child p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.94);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(24px, calc((100vw - 1180px) / 2));
  background: #fff;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer strong {
  display: block;
  color: var(--ink);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
  font-size: 0.9rem;
}

.site-footer a:hover {
  color: var(--red);
}

.legal-page {
  min-height: calc(100vh - 165px);
  padding: 86px 0 104px;
  background:
    linear-gradient(180deg, #fff 0%, #f6f7f9 100%);
}

.legal-page__inner {
  max-width: 980px;
}

.legal-page__head {
  margin-bottom: 34px;
}

.legal-page h1 {
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.22;
  white-space: normal;
  text-shadow: none;
}

.legal-card {
  padding: 34px 38px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 12px 12px 0 rgba(230, 46, 45, 0.08), var(--shadow-soft);
}

.legal-list {
  display: grid;
}

.legal-list > div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 26px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.legal-list > div:first-child {
  padding-top: 0;
}

.legal-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.legal-list dt {
  color: var(--muted);
  font-weight: 800;
}

.legal-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.legal-list a {
  color: var(--red);
  border-bottom: 1px solid rgba(230, 46, 45, 0.35);
}

.legal-fee-block + .legal-fee-block {
  margin-top: 20px;
}

.legal-fee-block h2 {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
}

.legal-fee-block ul {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  padding-left: 1.2em;
}

.legal-fee-block li {
  color: #475467;
  font-weight: 500;
}

.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.floating-cta span {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
}

.floating-cta .button {
  min-height: 42px;
  padding: 9px 16px;
}

.hero {
  min-height: 760px;
}

.hero__inner {
  min-height: 686px;
}

.hero__content {
  transform: translateY(-18px);
}

.hero__kicker {
  max-width: 560px;
  padding-left: 6px;
  border-left: 9px solid var(--ink);
}

.hero__lead {
  max-width: 620px;
}

.section {
  position: relative;
  overflow: hidden;
}

.section::after {
  position: absolute;
  right: max(-26px, calc((100vw - 1180px) / 2 - 92px));
  bottom: -0.04em;
  z-index: 0;
  color: rgba(230, 46, 45, 0.055);
  font-size: clamp(7.2rem, 18vw, 19rem);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: 0;
  pointer-events: none;
}

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

#intro::after {
  content: "SHIFT";
  color: rgba(255, 255, 255, 0.14);
}

#message::after {
  content: "VOICE";
}

#founding::after {
  content: "FREE";
}

#statement::after {
  content: "IDEA";
}

#about::after {
  content: "BOOK";
}

#program::after {
  content: "PROGRAM";
}

#schedule::after {
  content: "2DAYS";
}

#speakers::after {
  content: "CAST";
}

#target::after {
  content: "YOU";
}

#overview::after {
  content: "INFO";
}

#flow::after {
  content: "FLOW";
}

#share-materials::after {
  content: "SHARE";
}

#faq::after {
  content: "Q&A";
}

#party::after {
  content: "JOIN";
  color: rgba(255, 255, 255, 0.14);
}

#intro .section__inner,
#faq .section__inner {
  width: min(1040px, calc(100% - 48px));
  margin-left: max(24px, calc((100vw - 1180px) / 2 + 72px));
}

#intro .section__inner {
  max-width: 1040px;
}

#message .split {
  grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1fr);
  gap: 64px;
}

#overview .split {
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.08fr);
  gap: 88px;
}

#message .video-card {
  width: 100%;
  max-width: 620px;
  justify-self: stretch;
  transform: translateY(70px);
}

#about .book-panel {
  transform: translateY(-24px);
}

#program .feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#program .feature-card:nth-child(2),
#program .feature-card:nth-child(4) {
  transform: translateY(42px);
}

#program .feature-card:nth-child(1) {
  min-height: 320px;
}

#schedule .schedule-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

#schedule .schedule-card:nth-child(2) {
  margin-top: 72px;
}

#speakers .speaker-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

#speakers .speaker-card--primary {
  min-height: 220px;
}

#target .target-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#overview .overview-card {
  transform: translateY(-34px);
}

#flow .flow-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: start;
}

#party .split {
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.72fr);
}

#party .party-card {
  transform: translateY(-28px);
  box-shadow: 14px 14px 0 rgba(17, 24, 39, 0.16);
}

@media (max-width: 1040px) {
  .hero::before,
  .hero::after {
    right: -180px;
    width: 78vw;
  }

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

  .site-nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero__inner,
  .split,
  .about-layout__body {
    grid-template-columns: 1fr;
  }

  #message .split {
    grid-template-columns: 1fr;
  }

  #message .video-card {
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }

  .hero__visual {
    min-height: 520px;
    max-width: 620px;
  }

  .photo-card {
    right: -28px;
    bottom: -64px;
    width: min(520px, 100%);
  }

  .feature-grid,
  .speaker-grid,
  .principle-grid,
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .target-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #intro .section__inner,
  #faq .section__inner {
    margin-left: auto;
  }

  #message .video-card,
  #about .book-panel,
  #program .feature-card:nth-child(2),
  #program .feature-card:nth-child(4),
  #schedule .schedule-card:nth-child(2),
  #target .target-grid p:nth-child(2),
  #target .target-grid p:nth-child(5),
  #overview .overview-card,
  #flow .flow-grid article:nth-child(even),
  #party .party-card {
    margin-top: 0;
    transform: none;
  }

  #program .feature-grid,
  #schedule .schedule-grid,
  #speakers .speaker-grid,
  #target .target-grid,
  #statement .principle-grid,
  #flow .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-grid article:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .site-header {
    align-items: center;
    flex-direction: row;
    min-height: auto;
    padding: 12px 16px;
  }

  .site-logo {
    white-space: normal;
  }

  .site-logo img {
    width: 132px;
  }

  .menu-toggle {
    position: relative;
    z-index: 60;
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    background: var(--red);
    border: 1px solid var(--red);
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
  }

  .menu-toggle span {
    grid-area: 1 / 1;
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .menu-toggle span:nth-child(1) {
    transform: translateY(-6px);
  }

  .menu-toggle span:nth-child(3) {
    transform: translateY(6px);
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(1) {
    transform: rotate(45deg);
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    display: grid;
    gap: 0;
    width: auto;
    padding: 8px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    white-space: normal;
  }

  .site-header.is-menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 10px 12px;
    border-radius: 4px;
  }

  .site-nav a:hover {
    background: #fff5f5;
  }

  .site-nav .nav-cta {
    justify-content: center;
    margin-top: 6px;
    color: #fff;
  }

  .hero {
    padding: 46px 0 0;
    min-height: auto;
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0 34%, rgba(255, 255, 255, 0.42) 52%, rgba(255, 255, 255, 0) 100%),
      url("../img/hero-bg.png") 78% center / cover no-repeat;
  }

  .hero::before {
    top: auto;
    right: -180px;
    bottom: 150px;
    width: 92vw;
    height: 300px;
  }

  .hero::after {
    right: -180px;
    width: 96vw;
    height: 230px;
  }

  .hero__inner,
  .section__inner {
    width: min(100% - 32px, 1180px);
  }

  .hero__inner {
    position: relative;
    display: block;
    min-height: auto;
  }

  .hero__content {
    position: relative;
    z-index: 6;
    max-width: none;
    min-height: auto;
    padding-top: 4px;
  }

  .hero__title-stack {
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 10px;
    min-height: 360px;
    max-width: 44%;
  }

  .hero__title-stack h1,
  .hero__title-stack .hero__kicker,
  .hero__title-stack .hero__statement {
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }

  .hero__title-stack h1 {
    font-size: clamp(3.15rem, 16vw, 4.5rem);
    filter: drop-shadow(0 3px 0 rgba(230, 46, 45, 0.1));
    line-height: 1;
    text-shadow: none;
    white-space: nowrap;
  }

  h1 > span[aria-hidden="true"]::after {
    width: 1.08em;
    height: 0.08em;
    margin-top: 0.08em;
    margin-left: 0;
    transform: translateX(0.02em);
    animation: heroTitleCaretVerticalLifecycle 4.5s steps(1, end) forwards;
  }

  .hero__kicker {
    display: block;
    margin: 2px 0 0;
    border-left-width: 4px;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .hero__statement {
    margin: 2px 0 0;
    font-size: 1.08rem;
    line-height: 1.45;
    white-space: nowrap;
  }

  .hero__cta-panel {
    position: relative;
    z-index: 7;
    display: block;
    width: 100vw;
    max-width: none;
    margin: 28px calc(50% - 50vw) -1px;
    padding: 22px 16px 23px;
    background: var(--black);
  }

  .hero__lead,
  .hero__facts,
  .hero__notice,
  .hero__actions,
  .hero .caption {
    position: relative;
    z-index: 7;
    width: 100%;
    max-width: none;
    margin-right: 0;
    margin-left: 0;
  }

  .hero__lead {
    margin-top: 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    color: #f4f7fb;
    font-size: 0.98rem;
  }

  .hero__facts {
    gap: 8px;
    margin-top: 22px;
    padding: 0;
    background: transparent;
  }

  .hero__facts span {
    box-shadow: none;
  }

  .hero__notice {
    display: block;
    margin-top: 14px;
    padding: 12px 14px;
    background: #fff;
    box-shadow: none;
    font-size: 0.94rem;
    line-height: 1.6;
  }

  .hero__notice strong {
    display: inline;
  }

  .hero__visual {
    position: absolute;
    top: 0;
    right: 0;
    bottom: auto;
    left: 0;
    z-index: 2;
    width: 100%;
    height: 430px;
    max-width: none;
    min-height: auto;
    pointer-events: none;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero__actions {
    gap: 10px;
    margin-top: 18px;
    padding: 0;
    background: transparent;
  }

  .hero .caption {
    margin-top: 12px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    color: #aeb7c5;
  }

  .photo-card__person {
    height: auto;
  }

  .photo-card {
    top: 42px;
    right: -124px;
    bottom: auto;
    width: min(430px, 98vw);
  }

  .section {
    padding: 60px 0;
  }

  #intro {
    margin-top: -1px;
    padding-top: 50px;
  }

  .section::after {
    right: -8px;
    bottom: 0.08em;
    font-size: clamp(5.8rem, 30vw, 10rem);
  }

  .section-head {
    margin-bottom: 28px;
    padding-left: 18px;
  }

  .section-head::before {
    width: 6px;
  }

  .about-layout {
    gap: 28px;
  }

  h2 {
    font-size: 1.86rem;
    line-height: 1.24;
  }

  h3 {
    font-size: 1.15rem;
    line-height: 1.35;
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 0.82rem;
  }

  .section p:not(.eyebrow):not(.caption),
  .section li,
  .section dd {
    line-height: 1.72;
    letter-spacing: 0.04em;
  }

  .section p + p,
  .section h2 + p,
  .section h3 + p,
  .section-head p:not(.eyebrow) {
    margin-top: 18px;
  }

  .split,
  .about-layout__body,
  .feature-grid,
  .schedule-grid,
  .speaker-grid,
  .principle-grid,
  .target-grid,
  .flow-grid {
    gap: 18px;
  }

  .feature-grid,
  .schedule-grid,
  .speaker-grid,
  .principle-grid,
  .target-grid,
  .flow-grid,
  .book-panel {
    grid-template-columns: 1fr;
  }

  #program .feature-grid {
    grid-template-columns: 1fr;
  }

  #schedule .schedule-grid {
    grid-template-columns: 1fr;
  }

  #target .target-grid,
  #statement .principle-grid,
  #overview .split,
  #flow .flow-grid,
  #party .split {
    grid-template-columns: 1fr;
  }

  .target-grid p {
    min-height: auto;
    height: auto;
  }

  .flow-grid article {
    min-height: auto;
    height: auto;
  }

  .flow-grid article:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -21px;
    left: 50%;
    display: block;
    border-top: 16px solid var(--red);
    border-right: 12px solid transparent;
    border-bottom: 0;
    border-left: 12px solid transparent;
    transform: translateX(-50%);
  }

  #program .feature-card:nth-child(1) {
    min-height: auto;
  }

  .timeline li,
  .overview-card div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .schedule-card,
  .overview-card {
    padding: 22px;
  }

  .feature-card,
  .speaker-card,
  .principle-card,
  .flow-grid article,
  .party-card,
  .share-card {
    padding: 22px;
  }

  .statement-panel {
    padding: 28px 20px;
  }

  .statement-body {
    gap: 14px;
    margin-top: 24px;
  }

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

  .statement-panel blockquote {
    margin-top: 28px;
    padding: 20px;
  }

  .statement-panel blockquote p {
    font-size: 1rem;
  }

  .legal-page {
    padding: 58px 0 70px;
  }

  .legal-card {
    padding: 24px 20px;
  }

  .legal-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 16px;
  }

  .floating-cta {
    right: 0;
    bottom: 0;
    left: 0;
    justify-content: space-between;
    border-radius: 0;
  }

  .floating-cta span {
    font-size: 0.78rem;
  }
}

@keyframes heroTitleCaretVerticalLifecycle {
  0%,
  16%,
  32%,
  48%,
  64%,
  80% {
    width: 1.08em;
    height: 0.08em;
    margin-top: 0.08em;
    background: var(--red);
    opacity: 1;
    visibility: visible;
  }

  8%,
  24%,
  40%,
  56%,
  72%,
  88%,
  99% {
    opacity: 0;
    visibility: visible;
  }

  100% {
    width: 0;
    height: 0;
    margin-top: 0;
    background: transparent;
    opacity: 0;
    visibility: hidden;
  }
}