@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: light;
  --ink: #20352f;
  --muted: #64736c;
  --green: #376b54;
  --green-dark: #28523f;
  --green-pale: #e9f0e9;
  --cream: #f7f8f3;
  --line: #e5e9e2;
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  line-height: 1.8;
}

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

a:focus-visible {
  outline: 3px solid #d38b3c;
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 14px;
  transform: translateY(-150%);
  background: #fff;
}

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

.site-header {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  width: min(1120px, calc(100% - 48px));
  min-height: 84px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  font-size: 19px;
  font-weight: 700;
}

.brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(13px, 2vw, 27px);
  font-size: 13px;
  font-weight: 600;
}

.site-nav a:not(.nav-contact):hover,
.back-to-top:hover {
  color: var(--green);
}

.nav-contact {
  padding: 9px 16px;
  border: 1px solid #d8e2d9;
  border-radius: 3px;
  color: var(--green-dark);
}

.hero {
  position: relative;
  display: flex;
  min-height: 510px;
  overflow: hidden;
  align-items: center;
  background: var(--cream);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 68px 0 82px;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(37px, 5vw, 58px);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.48;
}

.hero-copy {
  margin: 17px 0 25px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 20px;
  align-items: center;
  gap: 18px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
}

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

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

.hero-art {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  overflow: hidden;
  background: #eef2e8;
}

.sun {
  position: absolute;
  top: 16%;
  right: 22%;
  width: 98px;
  height: 98px;
  border-radius: 50%;
  background: #e9c682;
}

.hill {
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: 120%;
  height: 76%;
  border-radius: 50% 50% 0 0;
}

.hill-back {
  right: 20%;
  bottom: -27%;
  width: 98%;
  background: #cbd9c7;
  transform: rotate(-8deg);
}

.hill-front {
  background: #9db99b;
  transform: rotate(4deg);
}

.house {
  position: absolute;
  right: 31%;
  bottom: 23%;
  width: 174px;
  height: 154px;
}

.roof {
  position: absolute;
  top: 0;
  left: 3px;
  width: 168px;
  height: 89px;
  clip-path: polygon(50% 0, 100% 48%, 92% 58%, 50% 20%, 8% 58%, 0 48%);
  background: #8c6651;
}

.house-body {
  position: absolute;
  right: 16px;
  bottom: 0;
  left: 16px;
  height: 95px;
  background: #f7f3e7;
}

.house-body span {
  position: absolute;
  top: 23px;
  width: 24px;
  height: 27px;
  border: 5px solid #89a391;
  background: #e5eee5;
}

.house-body span:first-child {
  left: 17px;
}

.house-body span:nth-child(2) {
  right: 17px;
}

.house-body i {
  position: absolute;
  bottom: 0;
  left: calc(50% - 16px);
  width: 32px;
  height: 50px;
  background: #b98961;
}

.tree {
  position: absolute;
  bottom: 25%;
  width: 15px;
  height: 54px;
  background: #8d6a4e;
}

.tree::before {
  position: absolute;
  top: -31px;
  left: -20px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #668d6f;
  content: "";
}

.tree-one {
  right: 17%;
}

.tree-two {
  right: 54%;
  bottom: 20%;
  transform: scale(0.7);
}

.hero-decoration {
  position: absolute;
  color: #c8d7c6;
  font-size: 30px;
}

.decoration-one {
  top: 16%;
  left: 48%;
}

.decoration-two {
  right: 6%;
  bottom: 17%;
  font-size: 22px;
}

.quick-links {
  display: grid;
  width: min(1000px, calc(100% - 48px));
  min-height: 100px;
  margin: -1px auto 0;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.quick-links a {
  display: flex;
  min-height: 100px;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  font-size: 14px;
  font-weight: 600;
}

.quick-links a + a {
  border-left: 1px solid var(--line);
}

.quick-links a:hover {
  color: var(--green);
  background: #fbfcfa;
}

.quick-icon {
  display: grid;
  width: 43px;
  height: 43px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--green);
  background: var(--green-pale);
  font-size: 0;
}

.quick-icon::before {
  font-size: 15px;
}

.quick-links a:nth-child(1) .quick-icon::before {
  content: "▦";
}

.quick-links a:nth-child(2) .quick-icon::before {
  content: "▤";
}

.quick-links a:nth-child(3) .quick-icon::before {
  content: "＋";
}

.arrow {
  margin-left: auto;
  color: #84938a;
}

.section {
  width: min(1000px, calc(100% - 48px));
  margin: 0 auto;
  padding: 82px 0;
}

.section-heading {
  display: flex;
  margin-bottom: 28px;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2,
.about-copy h2,
.contact-section h2,
.safety-content h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 32px);
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.section-intro {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.empty-card {
  display: flex;
  min-height: 148px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  text-align: center;
}

.empty-icon {
  color: #a4b8a7;
  font-size: 19px;
}

.empty-card p {
  margin: 4px 0 1px;
  font-size: 14px;
  font-weight: 600;
}

.empty-card > span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.events-section {
  padding-top: 30px;
}

.empty-card-light {
  border: 0;
  background: var(--cream);
}

.documents-section {
  padding-top: 45px;
}

.document-placeholder {
  display: flex;
  min-height: 120px;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border: 1px solid var(--line);
}

.document-icon {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--green);
  background: var(--green-pale);
  font-size: 21px;
}

.document-placeholder h3 {
  margin: 0 0 3px;
  font-size: 15px;
}

.document-placeholder p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.safety-section {
  display: flex;
  min-height: 310px;
  padding: 62px max(24px, calc((100% - 1000px) / 2));
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #fff;
  background: var(--green-dark);
}

.safety-content {
  max-width: 650px;
}

.safety-section .eyebrow {
  color: #c5ddc9;
}

.safety-content > p:not(.eyebrow) {
  max-width: 610px;
  margin: 14px 0 20px;
  color: #e1ece3;
  font-size: 14px;
}

.safety-note {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #e1ece3;
  font-size: 12px;
}

.safety-note > span {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #a9c7ad;
  border-radius: 50%;
}

.safety-note p {
  margin: 0;
}

.safety-symbol {
  display: grid;
  width: 104px;
  height: 104px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: #d3e2d4;
  font-size: 58px;
  font-weight: 300;
}

.about-section {
  display: flex;
  padding-top: 92px;
  padding-bottom: 92px;
  align-items: center;
  gap: 58px;
}

.about-mark {
  display: grid;
  width: 190px;
  height: 190px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--green);
  background: var(--green-pale);
  font-size: 60px;
  font-weight: 700;
}

.about-copy > p:not(.eyebrow) {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.about-copy .about-note {
  padding-top: 10px;
  font-size: 12px !important;
}

.contact-section {
  padding: 62px 24px 68px;
  text-align: center;
  background: var(--cream);
}

.contact-section > p:not(.eyebrow) {
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-section .contact-note {
  margin-top: 7px !important;
  font-size: 12px !important;
}

.site-footer {
  display: flex;
  width: min(1120px, calc(100% - 48px));
  min-height: 94px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-footer > p,
.back-to-top {
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 900px) {
  .header-inner {
    width: min(100% - 32px, 700px);
    padding: 15px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 3px;
    gap: 18px;
    white-space: nowrap;
  }

  .hero {
    min-height: 475px;
  }

  .hero-art {
    width: 53%;
    opacity: 0.72;
  }

  .hero-content {
    width: min(100% - 48px, 700px);
  }

  .quick-links,
  .section {
    width: min(100% - 48px, 700px);
  }
}

@media (max-width: 600px) {
  .header-inner {
    width: calc(100% - 32px);
    min-height: 0;
  }

  .site-nav {
    gap: 15px;
    font-size: 12px;
  }

  .nav-contact {
    padding: 5px 10px;
  }

  .hero {
    min-height: 495px;
    align-items: flex-start;
  }

  .hero-content {
    width: calc(100% - 40px);
    padding: 52px 0 50px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-copy {
    font-size: 13px;
  }

  .hero-art {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 39%;
    opacity: 1;
  }

  .sun {
    top: 8%;
    right: 15%;
    width: 55px;
    height: 55px;
  }

  .house {
    right: 32%;
    bottom: 12%;
    transform: scale(0.68);
    transform-origin: bottom center;
  }

  .tree-one {
    right: 20%;
    bottom: 13%;
    transform: scale(0.75);
    transform-origin: bottom center;
  }

  .tree-two {
    right: 57%;
    bottom: 11%;
    transform: scale(0.55);
    transform-origin: bottom center;
  }

  .hero-decoration {
    display: none;
  }

  .quick-links {
    width: calc(100% - 40px);
    grid-template-columns: 1fr;
  }

  .quick-links a {
    min-height: 70px;
    padding: 12px 8px;
  }

  .quick-links a + a {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .quick-icon {
    width: 38px;
    height: 38px;
  }

  .section {
    width: calc(100% - 40px);
    padding: 62px 0;
  }

  .section-heading {
    margin-bottom: 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .section-intro {
    font-size: 12px;
  }

  .events-section,
  .documents-section {
    padding-top: 15px;
  }

  .empty-card {
    min-height: 135px;
    padding: 16px;
  }

  .empty-card > span:last-child {
    font-size: 11px;
  }

  .document-placeholder {
    align-items: flex-start;
    gap: 13px;
    padding: 20px 16px;
  }

  .document-icon {
    width: 42px;
    height: 42px;
  }

  .document-placeholder p {
    line-height: 1.7;
  }

  .safety-section {
    min-height: 0;
    padding: 52px 20px;
  }

  .safety-symbol {
    display: none;
  }

  .about-section {
    padding-top: 65px;
    padding-bottom: 65px;
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .about-mark {
    width: 92px;
    height: 92px;
    font-size: 32px;
  }

  .contact-section {
    padding: 50px 20px;
  }

  .site-footer {
    width: calc(100% - 40px);
    min-height: 110px;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0 12px;
  }

  .site-footer > p {
    order: 1;
    width: 100%;
    margin: -18px 0 12px;
  }

  .footer-brand .brand-mark {
    width: 33px;
    height: 33px;
    font-size: 16px;
  }
}

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