:root {
  --ink: #12213a;
  --muted: #52616f;
  --line: #cfe4d2;
  --paper: #f5fbf6;
  --white: #ffffff;
  --blue: #0b4ea2;
  --blue-dark: #08377a;
  --green: #15923a;
  --green-dark: #0b6f29;
  --soft-green: #eaf8ed;
  --yellow: #f3d65b;
  --shadow: 0 18px 45px rgba(20, 80, 54, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.75;
  background: var(--paper);
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(207, 228, 210, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 6px;
  font-size: 13px;
}

.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

section[id] {
  scroll-margin-top: 92px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, 520px);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 58px 6vw 68px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(231, 248, 255, 0.85)),
    radial-gradient(circle at 84% 18%, rgba(21, 146, 58, 0.15), transparent 30%);
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  border-radius: 999px;
  pointer-events: none;
}

.hero::before {
  top: -120px;
  left: -120px;
  width: 340px;
  height: 340px;
  background: rgba(21, 146, 58, 0.11);
}

.hero::after {
  right: 2vw;
  bottom: -140px;
  width: 320px;
  height: 320px;
  background: rgba(11, 78, 162, 0.1);
}

.hero-content,
.poster-card {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  color: var(--blue-dark);
  font-size: clamp(32px, 4.8vw, 56px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: 32px;
  line-height: 1.35;
}

h3 {
  margin-bottom: 14px;
  color: var(--green-dark);
  font-size: 21px;
  line-height: 1.4;
}

.overview-title {
  font-size: 28px;
}

.hero-subtitle {
  margin-bottom: 16px;
  color: var(--green);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.55;
}

.hero-subtitle span {
  font-size: 20px;
}

.hero .eyebrow {
  font-size: 22px;
}

.lead {
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 800;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--green);
}

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

.button.secondary {
  color: var(--blue);
  border-color: rgba(11, 78, 162, 0.3);
  background: var(--white);
}

.button.download-button {
  margin-top: 14px;
  color: var(--green-dark);
  background: var(--white);
  border-color: rgba(21, 146, 58, 0.35);
}

.button.contact-button {
  margin-top: 18px;
  color: var(--blue-dark);
  background: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.poster-card {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.event-summary {
  display: grid;
  grid-template-columns: max-content;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  margin: 0;
}

.event-summary div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 4px 14px;
  align-items: center;
  justify-content: start;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(20, 80, 54, 0.09);
}

.event-summary .event-meta-combined {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 12px;
}

.event-summary .event-meta-row {
  display: grid;
  grid-template-columns: max-content max-content;
  gap: 14px;
  align-items: center;
  justify-content: start;
  padding: 0;
  border: 0;
  box-shadow: none;
}

.event-summary .event-date {
  grid-column: 1 / -1;
  grid-template-columns: max-content max-content;
  padding: 22px 24px;
}

.event-summary .event-date .summary-icon {
  width: 64px;
  height: 52px;
  font-size: 16px;
}

.event-summary .event-date strong {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 24px;
}

.event-summary .event-date strong span {
  white-space: nowrap;
}

.summary-icon {
  grid-row: span 2;
  display: grid;
  width: 54px;
  height: 44px;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.event-summary strong {
  color: var(--green-dark);
  font-size: 17px;
  line-height: 1.45;
  text-align: left;
  white-space: nowrap;
}

.section {
  padding: 76px 6vw;
}

.split,
.contact-section,
.speaker-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 54px;
  align-items: start;
}

.entry-section {
  max-width: 980px;
}

.recommend-box,
.entry-panel {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.leaf-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.leaf-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 28px;
}

.leaf-list li::before {
  position: absolute;
  left: 0;
  top: 0.48em;
  width: 14px;
  height: 14px;
  content: "";
  background: var(--green);
  border-radius: 80% 0 80% 0;
  transform: rotate(-18deg);
}

.program-section {
  background: var(--white);
}

.section-heading {
  max-width: 760px;
}

.program-list {
  display: grid;
  gap: 16px;
  max-width: 980px;
}

.program-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: #fbfff8;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.program-item span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: 20px;
  font-weight: 800;
}

.program-item h3 {
  margin-bottom: 8px;
  color: var(--blue-dark);
  font-size: 20px;
}

.program-item p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
}

.program-item p + p {
  margin-top: 4px;
}

.speaker-section {
  grid-template-columns: minmax(220px, 0.36fr) minmax(0, 1.64fr);
  background: linear-gradient(180deg, #f8fcff, var(--white));
}

.speaker-photo {
  overflow: hidden;
  max-width: 300px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.speaker-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.speaker-copy small {
  color: var(--blue);
  font-size: 18px;
}

.speaker-title {
  margin-bottom: 14px;
  color: var(--green-dark);
  font-weight: 800;
}

.plain-list {
  margin-bottom: 18px;
}

.plain-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.speaker-extra {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.speaker-extra p {
  margin-bottom: 0;
}

.lab-button {
  width: fit-content;
  margin-top: 4px;
  color: var(--white);
  background: var(--blue);
}

.lab-button:hover {
  background: var(--blue-dark);
}

.profile-button {
  width: fit-content;
  margin-top: 4px;
  color: var(--white);
  background: var(--blue);
}

.profile-button:hover {
  background: var(--blue-dark);
}

.back-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  color: var(--white);
  background: var(--green);
  border-radius: 6px;
  box-shadow: var(--shadow);
  font-weight: 800;
  text-decoration: none;
}

.back-button:hover {
  background: var(--green-dark);
}

.lab-button span {
  margin-right: 8px;
  font-size: 20px;
  line-height: 1;
}

.profile-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 32px;
  align-items: center;
  padding: 54px 6vw 48px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 248, 237, 0.9)),
    radial-gradient(circle at 80% 20%, rgba(11, 78, 162, 0.12), transparent 28%);
}

.profile-hero h1 {
  margin-bottom: 10px;
  font-size: clamp(34px, 5vw, 48px);
}

.profile-hero img {
  width: 220px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.profile-name {
  margin-bottom: 6px;
  color: var(--blue-dark);
  font-size: 24px;
  font-weight: 800;
}

.profile-name span {
  color: var(--green-dark);
  font-size: 18px;
}

.profile-page {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  background: var(--white);
}

.profile-toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.profile-toc a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.profile-toc .toc-sub {
  padding-left: 12px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 700;
}

.profile-content {
  display: grid;
  gap: 34px;
}

.profile-block[id],
.profile-block h3[id] {
  scroll-margin-top: 96px;
}

.profile-block {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.profile-block:last-child {
  border-bottom: 0;
}

.profile-block p {
  margin-bottom: 14px;
}

.profile-list {
  margin: 0;
  padding-left: 1.2em;
}

.profile-list li {
  margin-bottom: 10px;
}

.profile-list.compact li {
  margin-bottom: 7px;
}

.profile-list a {
  color: var(--blue);
  overflow-wrap: anywhere;
}

.career-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.career-list div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  padding: 8px 12px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.career-list dt,
.career-list dd {
  line-height: 1.45;
}

.career-list div:nth-child(odd) {
  background: #fbfff8;
}

.career-list div:last-child {
  border-bottom: 0;
}

.profile-block h4 {
  margin: 20px 0 8px;
  color: var(--blue-dark);
  font-size: 18px;
}

.report-hero {
  padding: 82px 6vw 74px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(8, 55, 122, 0.94), rgba(21, 146, 58, 0.84)),
    url("assets/session-poster.png") center / cover;
}

.report-hero h1 {
  color: var(--white);
}

.report-lead {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 24px;
  font-weight: 800;
}

.report-summary {
  max-width: none;
  padding: 28px 6vw 0;
  background: var(--paper);
}

.report-intro {
  padding-bottom: 42px;
  background: var(--paper);
}

.report-intro h2 {
  max-width: 900px;
}

.report-meta {
  margin-bottom: 0;
  color: var(--green-dark);
  font-size: 22px;
  font-weight: 800;
}

.report-section {
  background: var(--white);
}

.report-downloads {
  display: grid;
  gap: 12px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.report-downloads .button {
  width: 100%;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.report-secondary {
  color: var(--blue);
  background: var(--white);
  border-color: rgba(11, 78, 162, 0.28);
}

.simple-report-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 36px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(8, 55, 122, 0.94), rgba(21, 146, 58, 0.84));
}

.simple-report-hero img {
  width: 220px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
}

.report-flyer {
  margin: 0;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.report-flyer img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.report-flyer figcaption {
  margin-top: 14px;
}

.survey-summary-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 48px;
  background: var(--soft-green);
}

.survey-summary {
  max-width: 920px;
}

.report-next {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.report-list-section {
  background: var(--paper);
}

.report-card {
  margin-top: 26px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.report-card-header {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 26px 30px;
  background: #fbfff8;
  border-bottom: 1px solid var(--line);
}

.report-card-header > span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: 20px;
  font-weight: 800;
}

.report-card-header h3 {
  margin-bottom: 6px;
  color: var(--blue-dark);
}

.report-card-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 38px;
  padding: 30px;
}

.report-card-body-simple {
  grid-template-columns: 1fr;
}

.report-card-body-simple p {
  margin-bottom: 16px;
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 800;
}

.report-card-body h4 {
  margin: 24px 0 10px;
  color: var(--green-dark);
  font-size: 20px;
}

.report-card-body h4:first-child {
  margin-top: 0;
}

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

.entry-main-button {
  margin-top: 12px;
}

.entry-registration {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-top: 10px;
}

.entry-url {
  display: block;
  margin-bottom: 18px;
  overflow-wrap: anywhere;
  color: var(--blue);
  font-size: 20px;
  font-weight: 800;
}

.entry-url-under-button {
  margin: 16px 0 0;
}

.entry-qr-card {
  display: grid;
  gap: 10px;
  justify-items: center;
  width: fit-content;
  padding: 14px;
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.entry-qr-card img {
  width: 150px;
  height: 150px;
}

.entry-note {
  margin: 18px 0 0;
  color: var(--muted);
}

.entry-panel .button {
  width: 100%;
}

.entry-panel .button + .button {
  margin-top: 12px;
}

.contact-section {
  background: var(--blue-dark);
  color: var(--white);
}

.contact-section h2,
.contact-section .section-kicker {
  color: var(--white);
}

.contact-section p {
  margin-bottom: 0;
}

.page-hero {
  padding: 84px 6vw 70px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(8, 55, 122, 0.94), rgba(21, 146, 58, 0.82)),
    url("assets/session-poster.png") center / cover;
}

.page-hero h1 {
  max-width: 820px;
  color: var(--white);
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 19px;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 54px;
  align-items: start;
}

.inquiry-panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 26px 6vw;
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding: 14px 5vw;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .hero,
  .split,
  .contact-section,
  .speaker-section,
  .inquiry-section,
  .profile-page,
  .profile-hero,
  .simple-report-hero,
  .survey-summary-section,
  .report-card-body {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 54px 5vw 58px;
  }

  .event-summary {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .section {
    padding: 62px 5vw;
  }

  .speaker-photo {
    max-width: 240px;
  }

  .profile-toc {
    position: static;
  }

  .profile-block[id],
  .profile-block h3[id] {
    scroll-margin-top: 150px;
  }

  .entry-registration {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand {
    display: none;
  }

  .site-header {
    padding: 8px 5vw;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 6px 12px;
    font-size: 13px;
    line-height: 1.25;
  }

  section[id] {
    scroll-margin-top: 84px;
  }

  h1 {
    margin-bottom: 16px;
    font-size: 25px;
    line-height: 1.22;
  }

  h2 {
    margin-bottom: 14px;
    font-size: 23px;
    line-height: 1.28;
  }

  h3 {
    font-size: 18px;
    line-height: 1.32;
  }

  .hero h1 br {
    display: none;
  }

  .hero .eyebrow {
    font-size: 18px;
  }

  .overview-title {
    font-size: 22px;
  }

  .hero-subtitle {
    font-size: 18px;
    line-height: 1.42;
  }

  .hero-subtitle span {
    font-size: 16px;
  }

  .lead {
    font-size: 18px;
  }

  .program-item h3 {
    font-size: 17px;
    line-height: 1.34;
  }

  .program-item p {
    font-size: 15px;
  }

  .profile-hero h1 {
    font-size: 28px;
  }

  .profile-name {
    font-size: 21px;
  }

  .report-hero h1,
  .page-hero h1 {
    font-size: 28px;
  }

  .button {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .poster-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .poster-card img {
    width: 100%;
    height: auto;
  }

  .event-summary div,
  .program-item,
  .career-list div {
    grid-template-columns: 1fr;
  }

  .event-summary .event-date strong {
    display: grid;
    gap: 2px;
    font-size: 17px;
    line-height: 1.3;
  }

  .event-summary .event-date {
    grid-template-columns: max-content max-content;
    justify-content: start;
  }

  .event-summary .event-meta-combined {
    grid-template-columns: 1fr;
  }

  .event-summary .event-meta-row {
    grid-template-columns: max-content max-content;
    justify-content: start;
  }

  .event-summary strong {
    font-size: 17px;
  }

  .event-summary .event-date .summary-icon {
    width: 54px;
    height: 44px;
    font-size: 14px;
  }

  .profile-hero img {
    width: 180px;
  }
}