:root {
  color-scheme: light;
  --ink: #193229;
  --muted: #65726b;
  --green: #275845;
  --green-dark: #173c2e;
  --leaf: #6d9166;
  --cream: #f5f0df;
  --paper: #fffdf5;
  --yellow: #f1c84b;
  --orange: #d66c3a;
  --blue: #4d7c8d;
  --line: #d7d6c7;
  --shadow: 0 18px 50px rgba(26, 50, 41, 0.1);
  font-family: "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
}
a {
  color: inherit;
}
button,
input,
select {
  font: inherit;
}
button,
select {
  cursor: pointer;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid #e19b3d;
  outline-offset: 3px;
}

.site-header {
  min-height: 70px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--green);
  border: 3px solid var(--paper);
  outline: 2px solid var(--green);
  border-radius: 7px 7px 15px 15px;
  color: white;
  transform: rotate(45deg);
}
.brand-mark span {
  transform: rotate(-45deg);
  font-size: 13px;
}
nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav a {
  padding: 9px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: #42564d;
  font-size: 14px;
  font-weight: 700;
}
nav a:hover {
  background: rgba(39, 88, 69, 0.09);
  color: var(--green-dark);
}

main {
  width: min(1184px, calc(100% - 40px));
  margin: 0 auto;
}
.hero-shell {
  min-height: 475px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  border: 1px solid rgba(25, 50, 41, 0.12);
  border-radius: 28px;
  background: #fdf9e9;
  box-shadow: var(--shadow);
}
.hero-copy {
  padding: 58px 30px 58px 58px;
  position: relative;
  z-index: 2;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font:
    800 12px/1.2 ui-monospace,
    "Cascadia Mono",
    monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}
h1 {
  margin: 0;
  font-size: clamp(2.15rem, 4.1vw, 3.4rem);
  line-height: 1.24;
  letter-spacing: -0.045em;
}
.lead {
  max-width: 590px;
  margin: 22px 0 0;
  color: #4c5e55;
  font-size: 16px;
  line-height: 1.9;
}
.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.hero-facts span {
  padding: 8px 12px;
  border: 1px solid #cdd3c8;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  color: #526158;
  font-size: 12px;
}
.hero-facts b {
  color: var(--green-dark);
  font-size: 16px;
  margin-right: 3px;
}

.road-scene {
  height: 100%;
  min-height: 475px;
  position: relative;
  overflow: hidden;
  background: #c9d9d1;
  border-left: 1px solid rgba(25, 50, 41, 0.08);
}
.sun {
  width: 76px;
  height: 76px;
  position: absolute;
  top: 54px;
  right: 70px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 13px rgba(255, 253, 245, 0.34);
}
.hill {
  position: absolute;
  bottom: 145px;
  width: 380px;
  height: 170px;
  border-radius: 52% 48% 0 0;
  background: var(--leaf);
}
.hill-one {
  left: -65px;
  transform: rotate(7deg);
}
.hill-two {
  right: -130px;
  height: 215px;
  background: #52775b;
  transform: rotate(-8deg);
}
.road {
  position: absolute;
  left: 8%;
  right: -12%;
  bottom: -38px;
  height: 245px;
  background: #51615a;
  transform: skewY(-7deg);
  border-top: 13px solid var(--paper);
  box-shadow: inset 0 12px 0 #c2a95e;
}
.road::after {
  content: "";
  position: absolute;
  left: 17%;
  right: 0;
  top: 105px;
  height: 8px;
  background: var(--paper);
}
.road i {
  position: absolute;
  top: 89px;
  width: 54px;
  height: 36px;
  z-index: 1;
  background: #51615a;
}
.road i:nth-child(1) {
  left: 22%;
}
.road i:nth-child(2) {
  left: 43%;
}
.road i:nth-child(3) {
  left: 64%;
}
.road i:nth-child(4) {
  left: 85%;
}
.sign {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--green);
  color: white;
  border: 4px solid white;
  outline: 3px solid var(--green);
  box-shadow: 0 10px 25px rgba(23, 60, 46, 0.2);
}
.sign::after {
  content: "";
  width: 8px;
  height: 120px;
  position: absolute;
  top: 100%;
  background: #47564f;
  z-index: -1;
}
.sign-main {
  width: 128px;
  height: 128px;
  top: 83px;
  left: 78px;
  border-radius: 24px 24px 45px 45px;
  transform: rotate(45deg);
}
.sign-main b,
.sign-main small {
  transform: rotate(-45deg);
  position: absolute;
}
.sign-main b {
  font-size: 20px;
}
.sign-main small {
  margin-top: 40px;
  font:
    800 14px ui-monospace,
    monospace;
}
.sign-a,
.sign-b,
.sign-c {
  padding: 9px 13px;
  min-width: 86px;
  border-radius: 8px;
  font:
    800 12px ui-monospace,
    monospace;
}
.sign-a {
  top: 54px;
  left: 55%;
  background: var(--blue);
  outline-color: var(--blue);
}
.sign-b {
  top: 126px;
  right: 30px;
}
.sign-c {
  top: 196px;
  right: 85px;
  background: var(--orange);
  outline-color: var(--orange);
}
.sign-a::after,
.sign-b::after,
.sign-c::after {
  height: 72px;
  width: 5px;
}

.finder,
.saved-route,
.results-section,
.boundary {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
}
.finder {
  padding: 30px;
}
.section-heading,
.saved-heading,
.results-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.section-heading h2,
.saved-heading h2,
.results-heading h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.03em;
}
#data-status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.controls {
  display: grid;
  grid-template-columns: minmax(230px, 1.5fr) repeat(3, minmax(145px, 0.75fr));
  gap: 12px;
  margin-top: 24px;
}
.controls label {
  min-width: 0;
  display: grid;
  gap: 7px;
}
.controls label > span {
  color: #53655c;
  font-size: 12px;
  font-weight: 800;
}
.controls input,
.controls select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid #bdc5ba;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.search-field {
  position: relative;
}
.examples {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 17px;
}
.examples span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.examples button {
  padding: 7px 10px;
  border: 1px solid #cdd1c5;
  border-radius: 999px;
  background: #f8f5e8;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}
.examples button:hover {
  border-color: var(--green);
  background: #eef2e8;
}

.saved-route {
  padding: 26px 30px;
  background: var(--green-dark);
  color: white;
  border-color: var(--green-dark);
}
.saved-route .eyebrow {
  color: #f4c862;
}
.saved-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.saved-actions span {
  color: #c7d8cf;
  font:
    700 12px ui-monospace,
    monospace;
}
.saved-actions button {
  padding: 10px 14px;
  border: 1px solid #b9cec2;
  border-radius: 9px;
  background: var(--paper);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}
.saved-actions button:disabled {
  opacity: 0.45;
  cursor: default;
}
.empty-saved {
  margin-top: 19px;
  padding: 22px;
  border: 1px dashed #759184;
  border-radius: 13px;
  color: #bfd0c7;
  text-align: center;
  font-size: 13px;
}
.saved-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}
.saved-ticket {
  min-width: 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-radius: 11px;
  background: #28513f;
  border: 1px solid #466f5c;
}
.stop-number {
  color: #f2cb68;
  font:
    800 13px ui-monospace,
    monospace;
}
.saved-ticket strong {
  display: block;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.saved-ticket small {
  display: block;
  margin-top: 4px;
  color: #bad0c5;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.saved-ticket button {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.results-section {
  padding: 30px;
}
.results-heading p {
  margin: 0;
  color: var(--muted);
}
.results-heading b {
  color: var(--ink);
  font-size: 22px;
}
.station-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 22px;
}
.station-card {
  min-width: 0;
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid #d3d6ca;
  border-radius: 16px;
  background: #fffefa;
  box-shadow: 0 8px 20px rgba(25, 50, 41, 0.045);
}
.station-roadline {
  height: 7px;
  margin: -22px -22px 19px;
  display: flex;
  gap: 17px;
  overflow: hidden;
  background: #526159;
}
.station-roadline span,
.station-roadline i {
  width: 45px;
  height: 3px;
  margin-top: 2px;
  background: var(--yellow);
  flex: 0 0 auto;
}
.station-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.prefecture-chip {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}
.round-shield {
  padding: 5px 8px;
  border-radius: 5px 5px 10px 10px;
  background: var(--green);
  color: white;
  font:
    800 10px ui-monospace,
    monospace;
}
.station-card h3 {
  min-height: 2.65em;
  margin: 15px 0 8px;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}
.location {
  min-height: 1.6em;
  margin: 0;
  color: #58675f;
  font-size: 13px;
}
.location span {
  color: var(--orange);
  margin-right: 5px;
}
.station-card dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin: 18px 0;
}
.station-card dl div {
  padding: 10px;
  border-radius: 8px;
  background: #f4f1e5;
}
.station-card dt {
  color: #758078;
  font-size: 10px;
  font-weight: 800;
}
.station-card dd {
  margin: 4px 0 0;
  font-size: 13px;
  font-weight: 800;
}
.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.save-button {
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: white;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}
.save-button.is-saved {
  background: var(--green);
  color: white;
}
.official-links {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.official-link {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.official-link span {
  margin-left: 3px;
}
.muted-link {
  color: #707a74;
}
.load-more {
  display: block;
  min-width: 210px;
  margin: 24px auto 0;
  padding: 12px 18px;
  border: 1px solid var(--green);
  border-radius: 10px;
  background: white;
  color: var(--green);
  font-weight: 800;
}
.no-results {
  grid-column: 1 / -1;
  padding: 46px 20px;
  text-align: center;
  border: 1px dashed #c9cabc;
  border-radius: 13px;
  color: var(--muted);
}
.no-results span {
  display: block;
  color: #c8c9bf;
  font:
    800 38px ui-monospace,
    monospace;
}
.no-results h3 {
  color: var(--ink);
}

.boundary {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 25px;
  background: #f8e9d0;
  border-color: #e6cda9;
}
.boundary > span {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  font:
    800 15px ui-monospace,
    monospace;
}
.boundary strong {
  display: block;
  margin-bottom: 5px;
}
.boundary p {
  margin: 0;
  color: #675848;
  font-size: 13px;
  line-height: 1.75;
}

.text-page {
  padding-top: 28px;
}
.page-intro {
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
}
.page-intro h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
}
.page-intro > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}
.guide-grid,
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.guide-grid article,
.privacy-grid article,
.prose-section,
.note-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
}
.guide-grid article > span {
  display: block;
  color: var(--orange);
  font:
    800 13px ui-monospace,
    monospace;
}
.guide-grid h2,
.privacy-grid h2,
.prose-section h2,
.note-panel h2 {
  margin: 12px 0 10px;
  font-size: 19px;
}
.guide-grid p,
.privacy-grid p,
.prose-section p,
.prose-section li,
.note-panel p {
  color: #59675f;
  font-size: 14px;
  line-height: 1.85;
}
.note-panel,
.prose-section {
  margin-top: 14px;
}
.note-panel {
  border-left: 7px solid var(--yellow);
}
.source-ledger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}
.source-ledger > div {
  min-height: 150px;
  padding: 25px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--paper);
}
.source-ledger span {
  color: var(--orange);
  font:
    800 11px ui-monospace,
    monospace;
  letter-spacing: 0.1em;
}
.source-ledger strong {
  margin-top: 13px;
  font-size: 18px;
}
.source-ledger a {
  margin-top: auto;
  padding-top: 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}
.source-ledger p {
  margin: auto 0 0;
  padding-top: 16px;
  color: var(--muted);
  font-size: 12px;
}

footer {
  width: min(1184px, calc(100% - 40px));
  margin: 46px auto 0;
  padding: 30px 4px 38px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid #c9cabb;
  color: #58675f;
}
footer strong {
  color: var(--ink);
}
footer p {
  margin: 6px 0 0;
  font-size: 12px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
}
.footer-links a {
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .hero-shell {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding: 42px;
  }
  .road-scene {
    min-height: 330px;
    border-left: 0;
    border-top: 1px solid rgba(25, 50, 41, 0.08);
  }
  .controls {
    grid-template-columns: 1fr 1fr;
  }
  .station-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .saved-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    padding: 13px 18px;
  }
  .brand > span:last-child {
    display: none;
  }
  nav {
    gap: 0;
  }
  nav a {
    padding: 8px;
    font-size: 12px;
  }
  main,
  footer {
    width: min(100% - 24px, 1184px);
  }
  .hero-shell {
    border-radius: 19px;
  }
  .hero-copy {
    padding: 32px 24px;
  }
  .hero-copy h1 {
    font-size: 2.05rem;
  }
  .lead {
    font-size: 14px;
  }
  .road-scene {
    min-height: 290px;
  }
  .sign-main {
    left: 45px;
    top: 65px;
    transform: rotate(45deg) scale(0.82);
  }
  .sign-a {
    left: 54%;
  }
  .sign-b {
    right: 15px;
  }
  .sign-c {
    right: 45px;
    top: 180px;
  }
  .finder,
  .saved-route,
  .results-section {
    padding: 22px 18px;
    border-radius: 17px;
  }
  .section-heading,
  .saved-heading,
  .results-heading {
    align-items: flex-start;
  }
  .section-heading {
    flex-direction: column;
    gap: 8px;
  }
  .controls {
    grid-template-columns: 1fr;
  }
  .station-grid,
  .saved-list,
  .guide-grid,
  .privacy-grid,
  .source-ledger {
    grid-template-columns: 1fr;
  }
  .station-card h3 {
    min-height: auto;
  }
  .page-intro {
    padding: 30px 24px;
  }
  .page-intro h1 {
    font-size: 2rem;
  }
  .saved-actions {
    flex-direction: column;
    align-items: flex-end;
  }
  .boundary {
    grid-template-columns: 30px 1fr;
    padding: 19px;
  }
  .footer-links {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}