:root {
  --paper: #fcfbf6;
  --surface: #ffffff;
  --ink: #27352f;
  --muted: #607069;
  --green: #23865f;
  --green-dark: #176547;
  --green-soft: #e5f2ea;
  --red: #e94d43;
  --orange: #f1a33b;
  --brown: #704641;
  --line: #dce5df;
  --shadow: 0 22px 60px rgba(44, 65, 55, 0.14);
  --radius-lg: 2rem;
  --radius-md: 1.25rem;
  --content: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

section[id] {
  scroll-margin-top: 1rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.site-header {
  width: var(--content);
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-en {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.brand-ja {
  margin-top: 0.35rem;
  color: var(--brown);
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.65rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.desktop-nav a:not(.nav-cta):hover {
  color: var(--green);
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
}

.nav-cta {
  padding: 0.5rem 1.35rem;
  background: var(--green);
  color: #fff;
}

.hero {
  width: var(--content);
  margin: 0 auto;
  padding: 4.4rem 0 5rem;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(2.5rem, 4vw, 4rem);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--green-dark);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.eyebrow span {
  width: 2.6rem;
  height: 3px;
  border-radius: 999px;
  background: var(--orange);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.9rem, 5vw, 4.25rem);
  line-height: 1.18;
  font-weight: 800;
}

h1 .hero-line {
  display: block;
  white-space: nowrap;
}

h1 .hero-line-accent {
  color: var(--green);
}

.hero-lead {
  max-width: 35rem;
  margin: 2rem 0 0;
  color: #4c5e56;
  font-size: 1.08rem;
  line-height: 2;
}

.hero-actions {
  margin-top: 2.2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.button-primary {
  padding: 0.75rem 1.65rem;
  background: var(--green);
  color: #fff;
  box-shadow: 0 12px 28px rgba(35, 134, 95, 0.22);
}

.button-primary::after {
  content: "↓";
  margin-left: 0.65rem;
}

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

.contact-link {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.contact-link span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.contact-link strong {
  margin-top: 0.22rem;
  color: var(--brown);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 38%;
  aspect-ratio: 1;
  right: -7%;
  top: -10%;
  border-radius: 50%;
  background: var(--orange);
  opacity: 0.9;
}

.hero-photo-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 46% 46% var(--radius-lg) var(--radius-lg);
  background: var(--green-soft);
  box-shadow: var(--shadow);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 53% center;
}

.hero-note {
  position: absolute;
  left: -2.2rem;
  bottom: 2rem;
  margin: 0;
  padding: 0.85rem 1.1rem;
  display: flex;
  gap: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--brown);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 12px 32px rgba(37, 54, 46, 0.16);
  backdrop-filter: blur(14px);
}

.hero-note span + span::before {
  content: "•";
  margin-right: 0.9rem;
  color: var(--red);
}

.welcome-strip {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-radius: var(--radius-md);
  background: var(--green);
  color: #fff;
}

.welcome-strip p {
  min-width: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.welcome-strip p + p {
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.welcome-strip strong {
  font-size: 0.95rem;
}

.welcome-strip span {
  margin-top: 0.15rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.76rem;
}

.section {
  width: var(--content);
  margin: 0 auto;
  padding: 8rem 0;
}

.about {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

.about-logo {
  width: min(100%, 23rem);
  margin: 0;
  padding: clamp(0.75rem, 2vw, 1.4rem);
  justify-self: center;
  border: 1px solid rgba(79, 61, 52, 0.1);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 18px 48px rgba(62, 55, 43, 0.1);
}

.about-logo img {
  width: 100%;
  height: auto;
}

.kicker {
  margin: 0 0 1.1rem;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

h2 {
  color: var(--brown);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.45;
}

.about-copy {
  padding-top: 0;
  color: var(--muted);
}

.about-copy .kicker {
  margin-bottom: 1.1rem;
}

.about-copy h2 {
  margin-bottom: 2rem;
}

.about-copy p {
  margin: 0;
}

.about-copy p + p {
  margin-top: 1.4rem;
}

.about-lead {
  color: var(--ink);
  font-size: 1.18rem;
  font-weight: 700;
}

.values-section {
  overflow: hidden;
  border-block: 1px solid #d8e8de;
  background:
    radial-gradient(circle at 92% 5%, rgba(241, 163, 59, 0.19), transparent 18rem),
    var(--green-soft);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}

.section-intro > p {
  margin: 0 0 0.45rem;
  color: var(--muted);
}

.values-grid {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.value-card {
  position: relative;
  overflow: hidden;
  min-height: 19rem;
  padding: 2rem 1.55rem;
  border: 1px solid rgba(38, 70, 54, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(49, 81, 65, 0.06);
}

.value-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 5px;
  background: var(--card-accent);
}

.value-card-green {
  --card-accent: var(--green);
}

.value-card-orange {
  --card-accent: var(--orange);
}

.value-card-red {
  --card-accent: var(--red);
}

.value-card-brown {
  --card-accent: var(--brown);
}

.value-number {
  display: block;
  margin-bottom: 2.6rem;
  color: var(--card-accent);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.value-card h3 {
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.6;
}

.value-card p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.85;
}

.activity {
  padding-block: 9rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

.activity-gallery {
  position: relative;
  min-height: 43rem;
}

.activity-photo {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--green-soft);
  box-shadow: var(--shadow);
}

.activity-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-photo-main {
  position: absolute;
  inset: 0 auto auto 0;
  width: 78%;
  aspect-ratio: 4 / 5;
}

.activity-photo-main img {
  object-position: 60% center;
}

.activity-photo-main figcaption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--brown);
  font-size: 0.72rem;
  font-weight: 800;
}

.activity-photo-sub {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 52%;
  aspect-ratio: 1;
  border: 8px solid var(--paper);
}

.activity-copy > p:not(.kicker) {
  color: var(--muted);
}

.activity-lead {
  margin: 2rem 0 0.6rem;
  color: var(--ink) !important;
  font-size: 1.15rem;
  font-weight: 800;
}

.activity-points {
  margin: 2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
}

.activity-points li {
  padding: 0.45rem 0.8rem;
  border: 1px solid #cbded2;
  border-radius: 999px;
  background: #fff;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.moments-section {
  border-block: 1px solid #e7dfd3;
  background:
    radial-gradient(circle at 95% 5%, rgba(241, 163, 59, 0.16), transparent 20rem),
    #f8f4ec;
}

.moments-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.moment-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(79, 61, 52, 0.1);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 16px 36px rgba(67, 58, 46, 0.09);
}

.moment-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.moment-card figcaption {
  padding: 1.05rem 1.2rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--brown);
  line-height: 1.5;
}

.moment-card figcaption span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.moment-card figcaption strong {
  font-size: 0.98rem;
}

.guide-shell {
  width: min(1300px, calc(100vw - 32px));
  margin: 0 auto;
  overflow: hidden;
  border-radius: 2.75rem;
  background:
    radial-gradient(circle at 90% 14%, rgba(241, 163, 59, 0.32), transparent 15rem),
    radial-gradient(circle at 8% 100%, rgba(255, 255, 255, 0.09), transparent 19rem),
    var(--green-dark);
  color: #fff;
}

.guide {
  padding-block: 7rem;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

.guide h2 {
  color: #fff;
}

.guide-copy > p:not(.kicker) {
  margin: 1.8rem 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.kicker-light {
  color: #ffd287;
}

.button-light {
  margin-top: 2rem;
  padding: 0.75rem 1.4rem;
  background: #fff;
  color: var(--green-dark);
}

.button-light::after {
  content: "↗";
  margin-left: 0.65rem;
}

.guide-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.guide-facts > div {
  min-height: 10.5rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
}

.guide-facts dt {
  color: #ffd287;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.guide-facts dd {
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.75;
}

.guide-facts dd strong {
  color: #fff;
  font-size: 1.8rem;
}

.faq {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 8vw, 8rem);
}

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

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

.faq-list summary {
  position: relative;
  padding: 1.5rem 3rem 1.5rem 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 800;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0.25rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  font-size: 1.25rem;
  line-height: 1;
}

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

.faq-list details p {
  margin: -0.3rem 3rem 1.6rem 0;
  color: var(--muted);
}

.contact {
  padding-top: 2rem;
}

.contact-card {
  overflow: hidden;
  padding: clamp(2rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(19rem, 0.9fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  border-radius: 2.25rem;
  background:
    radial-gradient(circle at 92% 10%, rgba(241, 163, 59, 0.22), transparent 15rem),
    #fff;
  box-shadow: 0 20px 60px rgba(40, 62, 51, 0.09);
}

.contact-copy > p:not(.kicker) {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.contact-button {
  margin-top: 2rem;
  width: fit-content;
  padding: 0.8rem 1.5rem;
  gap: 0.8rem;
}

.contact-button span {
  font-size: 0.78rem;
}

.contact-button strong {
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.contact-button::after {
  display: none;
}

.contact-list {
  margin: 0;
}

.contact-list > div {
  padding: 1.25rem 0;
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.contact-list > div:first-child {
  border-top: 1px solid var(--line);
}

.contact-list dt {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
}

.contact-list dd {
  margin: 0;
  min-width: 0;
  color: var(--ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-list dd a {
  text-decoration: underline;
  text-decoration-color: rgba(35, 134, 95, 0.35);
  text-underline-offset: 0.25em;
  overflow-wrap: anywhere;
}

.contact-list dd a:hover {
  color: var(--green-dark);
}

.site-footer {
  width: var(--content);
  margin: 0 auto;
  padding: 1.5rem 0 3.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
}

.site-footer > div > p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.copyright {
  margin: 0;
  color: #819088;
  font-size: 0.72rem;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  :root {
    --content: min(100% - 32px, 720px);
  }

  .site-header {
    min-height: 78px;
  }

  .desktop-nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding-top: 2.5rem;
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .hero-copy {
    max-width: 42rem;
  }

  .hero-visual {
    width: min(88%, 600px);
    margin-left: auto;
  }

  .hero-photo-wrap {
    aspect-ratio: 5 / 4;
    border-radius: 10rem 10rem var(--radius-lg) var(--radius-lg);
  }

  .hero-note {
    left: -8%;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-logo {
    width: min(70%, 21rem);
  }

  .about-copy {
    padding-top: 0;
  }

  .section-intro,
  .activity,
  .guide,
  .faq,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

  .activity {
    gap: 4rem;
  }

  .activity-gallery {
    width: min(100%, 680px);
  }

  .moments-grid {
    gap: 1rem;
  }

  .guide {
    gap: 3.5rem;
  }

  .contact-card {
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .brand-en {
    font-size: 0.62rem;
  }

  .brand-ja {
    font-size: 0.88rem;
  }

  .nav-cta {
    min-height: 42px;
    padding-inline: 1rem;
    font-size: 0.78rem;
  }

  .hero {
    padding: 2rem 0 3.5rem;
  }

  .eyebrow {
    align-items: flex-start;
    font-size: 0.76rem;
    line-height: 1.6;
  }

  .eyebrow span {
    margin-top: 0.58rem;
    flex: 0 0 1.8rem;
  }

  h1 {
    font-size: clamp(2.35rem, 12.5vw, 3.6rem);
  }

  h1 .hero-line-accent span {
    display: block;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.9;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 1.1rem;
  }

  .contact-link {
    align-items: center;
  }

  .hero-visual {
    width: 95%;
  }

  .hero-visual::before {
    right: 0;
  }

  .hero-photo-wrap {
    aspect-ratio: 4 / 5;
    border-radius: 7rem 7rem 1.5rem 1.5rem;
  }

  .hero-note {
    left: -5%;
    bottom: 1rem;
    gap: 0.5rem;
    padding: 0.65rem 0.8rem;
    font-size: 0.7rem;
  }

  .hero-note span + span::before {
    margin-right: 0.5rem;
  }

  .welcome-strip {
    padding: 0;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .welcome-strip p {
    padding: 1rem;
  }

  .welcome-strip p + p {
    border-top: 1px solid rgba(255, 255, 255, 0.24);
    border-left: 0;
  }

  .section {
    padding: 5.5rem 0;
  }

  .section-intro {
    gap: 1.5rem;
  }

  .about-logo {
    width: min(92%, 18rem);
    border-radius: 1.5rem;
  }

  .values-grid {
    margin-top: 3rem;
    grid-template-columns: 1fr;
  }

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

  .value-number {
    margin-bottom: 1.5rem;
  }

  .activity {
    padding-block: 6.5rem;
  }

  .activity-gallery {
    min-height: 32rem;
  }

  .activity-photo-main {
    width: 84%;
  }

  .activity-photo-sub {
    width: 56%;
    border-width: 5px;
  }

  .moments-grid {
    margin-top: 2.5rem;
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .guide-shell {
    width: calc(100vw - 20px);
    border-radius: 1.75rem;
  }

  .guide-facts {
    grid-template-columns: 1fr;
  }

  .guide-facts > div {
    min-height: auto;
  }

  .faq-list summary {
    font-size: 0.98rem;
  }

  .contact-card {
    border-radius: 1.5rem;
  }

  .contact-button {
    width: 100%;
    padding-inline: 1rem;
    flex-wrap: wrap;
  }

  .contact-button strong {
    overflow-wrap: anywhere;
  }

  .contact-list > div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .site-footer {
    padding-bottom: 2.5rem;
    align-items: flex-start;
    flex-direction: column;
  }
}

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

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