:root {
  --green-900: #163c29;
  --green-800: #245c3b;
  --green-700: #2f7450;
  --green-100: #e5f1e9;
  --green-50: #f2f8f4;
  --cream: #f8f7f1;
  --white: #ffffff;
  --ink: #213128;
  --muted: #65726a;
  --line: #dbe5de;
  --shadow: 0 10px 30px rgb(22 60 41 / 9%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, system-ui, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #edb941;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--white);
  color: var(--green-900);
  font-weight: 700;
  transform: translateY(-150%);
}

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

.hero {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  background:
    radial-gradient(circle at 83% 13%, rgb(255 255 255 / 15%) 0 60px, transparent 61px),
    linear-gradient(125deg, var(--green-900), var(--green-700));
  color: var(--white);
}

.hero::after {
  position: absolute;
  right: -5%;
  bottom: -130px;
  width: 65%;
  height: 260px;
  border-radius: 50% 50% 0 0;
  background: rgb(255 255 255 / 8%);
  content: "";
  transform: rotate(-5deg);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
  padding: 68px 0 86px;
}

.eyebrow,
.section-label {
  margin: 0 0 8px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.eyebrow {
  color: #cce4d4;
}

.hero h1 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2.35rem, 6vw, 4.4rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.hero h1 span {
  color: #d9eddf;
}

.hero__lead {
  margin: 18px 0 0;
  color: #f1f7f3;
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.main {
  width: min(calc(100% - 40px), var(--content-width));
  margin: -44px auto 0;
  padding-bottom: 80px;
}

.search-panel {
  position: relative;
  z-index: 2;
  padding: 26px clamp(20px, 4vw, 38px) 30px;
  border: 1px solid rgb(219 229 222 / 80%);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.search-panel__heading,
.results__heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.section-label {
  color: var(--green-700);
}

.search-panel h2,
.results h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  line-height: 1.4;
}

.clear-button {
  min-height: 44px;
  padding: 7px 13px;
  border: 0;
  background: transparent;
  color: var(--green-700);
  cursor: pointer;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.search-field {
  margin-top: 22px;
}

.search-field label,
.category-filter legend,
.season-filter legend {
  display: block;
  margin-bottom: 8px;
  color: #3d4e44;
  font-size: 0.9rem;
  font-weight: 700;
}

.search-field__input {
  position: relative;
}

.search-field__input svg {
  position: absolute;
  top: 50%;
  left: 17px;
  color: var(--green-700);
  pointer-events: none;
  transform: translateY(-50%);
}

.search-field input {
  width: 100%;
  min-height: 56px;
  padding: 13px 18px 13px 50px;
  border: 1px solid #adbbb2;
  border-radius: 14px;
  background: #fbfdfb;
  color: var(--ink);
  font-size: 1rem;
}

.search-field input:focus {
  border-color: var(--green-700);
  background: var(--white);
}

.category-filter,
.season-filter {
  min-width: 0;
  margin: 22px 0 0;
  padding: 0;
  border: 0;
}

.season-filter {
  padding-top: 20px;
  border-top: 1px solid #edf1ee;
}

.category-buttons,
.season-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
}

.category-button,
.season-button {
  min-height: 46px;
  padding: 9px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: #405047;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.category-button[aria-pressed="true"],
.season-button[aria-pressed="true"] {
  border-color: var(--green-800);
  background: var(--green-800);
  color: var(--white);
}

.category-button__count {
  opacity: 0.76;
  font-size: 0.82em;
}

.season-button {
  min-width: 72px;
}

.season-button[data-season="春"][aria-pressed="true"] {
  border-color: #b05f72;
  background: #b05f72;
}

.season-button[data-season="夏"][aria-pressed="true"] {
  border-color: #267b68;
  background: #267b68;
}

.season-button[data-season="秋"][aria-pressed="true"] {
  border-color: #a05c2d;
  background: #a05c2d;
}

.season-button[data-season="冬"][aria-pressed="true"] {
  border-color: #52728b;
  background: #52728b;
}

.filter-note {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.results {
  padding-top: 46px;
}

.result-count {
  flex: none;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.result-count strong {
  color: var(--green-800);
  font-size: 1.5rem;
}

.spot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 20px;
}

.spot-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 4px 16px rgb(22 60 41 / 6%);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.spot-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--green-100);
}

.spot-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spot-card__placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgb(255 255 255 / 90%) 0 38px, transparent 39px),
    linear-gradient(145deg, #f5faf6, #dceee2);
  color: var(--green-700);
}

.spot-card__placeholder svg {
  width: 58px;
  height: 58px;
}

.spot-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.spot-card__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 11px;
}

.spot-card__category,
.spot-card__subcategory {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.spot-card__category {
  background: var(--green-800);
  color: var(--white);
}

.spot-card__subcategory {
  background: var(--green-50);
  color: var(--green-800);
}

.spot-card__season {
  background: #fff3dc;
  color: #85551e;
}

.spot-card h3 {
  overflow-wrap: anywhere;
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.5;
}

.spot-card__description {
  overflow-wrap: anywhere;
  margin: 10px 0 0;
  color: #536159;
  font-size: 0.92rem;
}

.spot-card__details {
  display: grid;
  gap: 7px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid #edf1ee;
  color: #4c5a52;
  font-size: 0.84rem;
}

.spot-card__detail {
  display: grid;
  grid-template-columns: 3.8em 1fr;
  gap: 8px;
  margin: 0;
}

.spot-card__detail dt {
  color: var(--green-700);
  font-weight: 700;
}

.spot-card__detail dd {
  overflow-wrap: anywhere;
  margin: 0;
}

.spot-card__actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: auto;
  padding-top: 20px;
}

.spot-card__link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
  border: 1px solid #c5d7cb;
  border-radius: 10px;
  background: var(--green-50);
  color: var(--green-800);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.spot-card__link--primary {
  grid-column: 1 / -1;
  border-color: var(--green-800);
  background: var(--green-800);
  color: var(--white);
}

.status {
  margin-top: 20px;
  padding: 28px 20px;
  border: 1px dashed #b8c9be;
  border-radius: var(--radius-md);
  background: var(--white);
  color: #4f5f56;
  text-align: center;
}

.status strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 1.05rem;
}

.footer {
  padding: 34px 20px;
  background: var(--green-900);
  color: #dce9e0;
  text-align: center;
}

.footer p {
  margin: 2px 0;
}

.footer p:last-child {
  font-size: 0.82rem;
}

@media (hover: hover) {
  .category-button:hover,
  .season-button:hover {
    border-color: var(--green-700);
    transform: translateY(-1px);
  }

  .spot-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
  }

  .spot-card__link:hover {
    border-color: var(--green-700);
    background: var(--green-100);
  }

  .spot-card__link--primary:hover {
    background: var(--green-900);
  }
}

@media (min-width: 720px) {
  .spot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .spot-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .hero {
    min-height: 275px;
  }

  .hero__inner {
    width: min(calc(100% - 32px), var(--content-width));
    padding: 46px 0 72px;
  }

  .main {
    width: min(calc(100% - 24px), var(--content-width));
    margin-top: -38px;
  }

  .search-panel__heading {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .results__heading {
    align-items: baseline;
  }

  .category-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .category-button {
    width: 100%;
    padding-inline: 10px;
  }

  .category-button:first-child {
    grid-column: 1 / -1;
  }

  .season-buttons {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
  }

  .season-button {
    min-width: 0;
    padding-inline: 4px;
    font-size: 0.9rem;
  }

  .spot-grid {
    gap: 16px;
  }

  .spot-card__body {
    padding: 18px;
  }

  .spot-card__actions {
    gap: 10px;
  }

  .spot-card__link {
    min-height: 48px;
  }
}

@media (max-width: 359px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .search-panel {
    padding-inline: 16px;
  }

  .season-button {
    padding-inline: 2px;
    font-size: 0.82rem;
  }

  .spot-card__actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}