:root {
  --color-bg: #ffffff;
  --color-muted-bg: #fafafa;
  --color-text: #1a1a1a;
  --color-sub: #6b6b6b;
  --color-line: #e5e5e5;
  --color-accent: #111111;
  --color-link: #2a4a8b;
  --container: 1120px;
  --radius: 10px;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ja);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(42, 74, 139, 0.35);
  outline-offset: 4px;
}

p,
h1,
h2,
h3,
dl,
dd,
ol {
  margin: 0;
}

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

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--color-text);
  color: #ffffff;
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 40px, 760px);
}

.section {
  padding: 88px 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.logo-text {
  font-size: 16px;
}

.company-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
}

.header-company-logo {
  width: 120px;
  height: auto;
  object-fit: contain;
}

.hero {
  padding-top: 64px;
}

.hero-grid {
  display: grid;
  gap: 42px;
}

.hero-copy {
  display: grid;
  gap: 24px;
}

.eyebrow,
.section-kicker,
.panel-label {
  color: var(--color-sub);
  font-family: var(--font-en), var(--font-ja);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 13em;
  font-size: clamp(2rem, 9vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.no-break {
  white-space: nowrap;
}

h2 {
  margin-top: 10px;
  font-size: clamp(1.75rem, 6vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}

h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 34em;
  color: var(--color-sub);
  font-size: 1rem;
}

.event-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-line);
}

.event-summary div {
  min-width: 0;
  padding: 16px 14px;
  background: #ffffff;
}

.event-summary span {
  display: block;
  color: var(--color-sub);
  font-size: 12px;
  line-height: 1.4;
}

.event-summary strong {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--color-text);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.button-primary {
  border-color: var(--color-link);
  background: var(--color-link);
  color: #ffffff;
}

.button-primary:hover {
  border-color: #1f3a70;
  background: #1f3a70;
}

.button-outline {
  color: var(--color-link);
  border-color: var(--color-line);
  background: #ffffff;
}

.button-outline:hover {
  border-color: var(--color-link);
}

.hero-cta {
  width: 100%;
}

.hero-panel {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-muted-bg);
}

.hero-panel dl {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.photo-slot {
  display: block;
  width: 100%;
  height: 180px;
  min-height: 0;
  margin-top: 18px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  object-fit: cover;
  object-position: left center;
  background: #ffffff;
}

.hero-panel div {
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.hero-panel dt {
  color: var(--color-sub);
  font-size: 12px;
}

.hero-panel dd {
  margin-top: 4px;
  font-weight: 600;
}

.section-heading {
  display: grid;
  align-content: start;
  gap: 16px;
}

.section-heading p:not(.section-kicker),
.narrow > p,
.nago-meaning p,
.link-panel p,
.final-cta p,
.feature-card p,
.recommend-list p,
.timeline p,
.profile-card p,
.faq-list p,
.bridge-note {
  color: var(--color-sub);
}

.nago-meaning {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-line);
}

.nago-meaning h3 {
  margin-bottom: 16px;
}

.nago-meaning p + p {
  margin-top: 12px;
}

.step-flow {
  display: grid;
  gap: 0;
  margin-top: 40px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.step-flow li {
  position: relative;
  padding: 24px 0 24px 28px;
  border-bottom: 1px solid var(--color-line);
}

.step-flow li:last-child {
  border-bottom: 0;
}

.step-flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 35px;
  width: 12px;
  height: 1px;
  background: var(--color-text);
}

.step-flow li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 31px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--color-text);
  border-right: 1px solid var(--color-text);
  transform: rotate(45deg);
}

.step-number {
  display: block;
  color: var(--color-sub);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
}

.step-flow strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
}

.step-flow p {
  margin-top: 6px;
  color: var(--color-sub);
  font-size: 14px;
}

.step-flow .is-current strong,
.step-flow .is-goal strong {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 7px;
}

.bridge-note {
  margin-top: 18px;
  font-size: 14px;
}

.character-callout {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  align-items: end;
  max-width: 540px;
  margin-top: 28px;
}

.character-callout-inline {
  margin-top: 24px;
}

.character-callout-center {
  justify-self: center;
  text-align: left;
}

.character-callout-reverse {
  grid-template-columns: minmax(0, 1fr) 76px;
  margin-left: auto;
}

.character-callout-reverse .character-sprite {
  grid-column: 2;
  grid-row: 1;
  transform: scaleX(-1);
}

.character-callout-reverse p {
  grid-column: 1;
  grid-row: 1;
}

.character-sprite {
  display: block;
  width: 76px;
  height: 82px;
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: 304px 82px;
}

.character-morifumi {
  background-image: url("assets/characters/animated/morifumi-waving.png");
  animation: sprite-4 1.4s step-end infinite;
}

.character-kazama {
  background-image: url("assets/characters/animated/kazama-waving.png");
  animation: sprite-4 1.35s step-end infinite;
}

.character-parker {
  background-image: url("assets/characters/animated/parker-review.png");
  background-size: 456px 82px;
  animation: sprite-6 1.8s step-end infinite;
}

.character-mizutama {
  background-image: url("assets/characters/animated/mizutama-waving.png");
  animation: sprite-4 1.3s step-end infinite;
}

.character-callout p {
  position: relative;
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--color-sub);
  font-size: 14px;
}

.character-callout p::before {
  content: "";
  position: absolute;
  left: -8px;
  bottom: 24px;
  width: 14px;
  height: 14px;
  border-left: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: #ffffff;
  transform: rotate(45deg);
}

.character-callout-reverse p::before {
  left: auto;
  right: -8px;
  border-right: 1px solid var(--color-line);
  border-top: 1px solid var(--color-line);
  border-left: 0;
  border-bottom: 0;
}

@keyframes sprite-4 {
  0%,
  24.99% {
    background-position: 0 0;
  }

  25%,
  49.99% {
    background-position: -76px 0;
  }

  50%,
  74.99% {
    background-position: -152px 0;
  }

  75%,
  100% {
    background-position: -228px 0;
  }
}

@keyframes sprite-6 {
  0%,
  16.65% {
    background-position: 0 0;
  }

  16.66%,
  33.32% {
    background-position: -76px 0;
  }

  33.33%,
  49.99% {
    background-position: -152px 0;
  }

  50%,
  66.65% {
    background-position: -228px 0;
  }

  66.66%,
  83.32% {
    background-position: -304px 0;
  }

  83.33%,
  100% {
    background-position: -380px 0;
  }
}

.feature-grid {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.feature-card,
.profile-card {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #ffffff;
}

.feature-card span {
  display: block;
  margin-bottom: 26px;
  color: var(--color-sub);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
}

.feature-card p,
.profile-card p {
  margin-top: 12px;
}

.split {
  display: grid;
  gap: 36px;
}

.recommend-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.recommend-list article {
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}

.recommend-list p {
  margin-top: 8px;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  margin-top: 8px;
  color: var(--color-link);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.timeline {
  display: grid;
  gap: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.timeline li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}

.timeline time {
  color: var(--color-sub);
  font-family: var(--font-en), var(--font-ja);
  font-size: 13px;
  font-weight: 600;
}

.timeline p {
  margin-top: 6px;
}

.link-panel {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.link-panel p {
  margin-top: 12px;
}

.map-wrap {
  overflow: hidden;
  min-height: 320px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #ffffff;
}

.map-wrap iframe {
  width: 100%;
  height: 280px;
  border: 0;
}

.map-link {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--color-line);
  color: var(--color-link);
  font-size: 14px;
  font-weight: 600;
}

.profile-company {
  color: var(--color-sub);
  font-size: 13px;
  font-weight: 600;
}

.profile-card {
  display: grid;
  gap: 22px;
}

.profile-body {
  min-width: 0;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  object-position: center 30%;
  background: var(--color-muted-bg);
}

.profile-card h3 {
  margin-top: 8px;
  font-size: 22px;
}

.info-grid {
  display: grid;
  gap: 34px;
}

.detail-list {
  border-top: 1px solid var(--color-line);
}

.detail-list div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
}

.detail-list dt {
  color: var(--color-sub);
  font-size: 13px;
  font-weight: 600;
}

.detail-list dd {
  font-weight: 500;
}

.faq-list {
  display: grid;
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

.faq-list details {
  border-bottom: 1px solid var(--color-line);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 0;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--color-sub);
  font-family: var(--font-en);
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  padding: 0 0 22px;
}

.final-cta {
  text-align: center;
}

.final-cta .container {
  display: grid;
  justify-items: center;
  gap: 20px;
}

.final-cta h2 {
  max-width: 11em;
}

.final-cta p {
  max-width: 38em;
}

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
  color: var(--color-sub);
  font-size: 13px;
}

.footer-grid {
  display: grid;
  gap: 20px;
}

.footer-brand {
  margin-bottom: 6px;
  color: var(--color-text);
  font-weight: 700;
}

address {
  font-style: normal;
}

@media (min-width: 640px) {
  .hero-cta {
    width: fit-content;
  }

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

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

  .link-panel,
  .info-grid,
  .footer-grid {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 768px) {
  .section {
    padding: 108px 0;
  }

  .hero {
    padding-top: 88px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: center;
    gap: 70px;
  }

  .split {
    grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.22fr);
    gap: 76px;
  }

  .step-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
  }

  .step-flow li {
    min-height: 180px;
    padding: 24px 22px;
    border-right: 1px solid var(--color-line);
    border-bottom: 0;
  }

  .step-flow li:last-child {
    border-right: 0;
  }

  .step-flow li::before {
    left: auto;
    right: -16px;
    top: 50%;
    width: 30px;
    z-index: 1;
  }

  .step-flow li::after {
    left: auto;
    right: -16px;
    top: calc(50% - 4px);
    z-index: 1;
  }

  .step-flow li:last-child::before,
  .step-flow li:last-child::after {
    content: none;
  }

  .map-wrap,
  .map-wrap iframe {
    min-height: 380px;
  }

  .map-wrap iframe {
    height: 332px;
  }

  .profile-card {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: center;
  }

  .profile-photo {
    height: 220px;
    aspect-ratio: auto;
  }
}

@media (min-width: 1040px) {
  h1 {
    font-size: 3.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}